SA Building Review - Volume 6 - 2018

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VOLUME 6 | 2018

Umkhumbane Museum: Celebrating life, growth and the transition of a community A new regional retail development: Table Bay Mall Westbury Clinic wins at World Architecture Festival 2017 Sasol Place: 2017 Major Award Winning Project RSA R60.00 incl VAT 000 OFC_SABuildingReview2018.indd 9

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Advertorial: Safintra Roofing

A whole new look with Newlok


St John’s Village Lifestyle Centre in Howick, KwaZulu-Natal, boasts a new roofing profile which makes a classically timeless visual statement for the commercial focal point of the new development. Designed by the Umhlanga office of TC Design Architects, the classically steep roof pitches and dramatic shadow lines created by Safintra’s Newlok® standing seam profile make for an outstanding building impact. On the doorstep of the newly established St John’s Village Estate, in the heart of the beautiful Natal Midlands, the Lifestyle Centre is a premier shopping destination for the wider area which has more than 4,000 homeowners living in the established and upmarket environs of Amber Glen, Amberfield and other well-known retirement complexes.


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The St John’s Centre roof was installed by experienced roofing contractors Browndek Roofing. Although standing seam roofing is traditionally installed over a sub-deck, in this instance Browndek used Lamdaboard rigid insulation to serve as both an effective insulator for this chilly climate and as a support to the wide pan of the roofing sheet. Newlok® Standing Seam was introduced by Safintra in late 2016. The traditionally colonial appearance of this standing seam roofing is created by its wide pans and narrow ribs which create a crisp and distinctive linear aesthetic.

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Advertorial: Safintra Roofing

Above: Seamed Above right: Unseamed snapped Right: Newlok

The profile can be snapped together on its side laps, or snapped and then seamed. Seaming increases the wind resistance to 3Kpa which is unusually high in concealed fixed sheeting systems, making it the ideal choice for wind-prone climates and locations.

Newlok is suitable for both roofing and side cladding applications and for commercial or residential applications. Used as side cladding with the pan facing outwards (broad-flute out) it has a distinctive lateral pinstripe appearance for high architectural impact.

Safintra Roofing T +27 (0)11 323 6300 W

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Editor’s Note

People think that design is styling. Design is not style. It’s not about giving shape to the shell and not giving a damn about the guts. Good design is a renaissance attitude that combines technology, cognitive science, human need and beauty to produce something that the world didn’t know it was missing.

– Paola Antonelli

Architecture will not prosper without the collaboration of beautifully designed products and all the other components which form part of each building. It is vital that your products are known and used by specifiers to create world-class buildings. Elroy van Heerden, Editor

A constant product presence in the eye of the reader, in an industry specified magazine such as SA Building Review, will encourage recognition of your products and brands and will continue to form part of great architecture. We would like to thank our regular and current advertisers in this edition who form part of a great read and product source for specifiers and other industry players within the built environment. We would also like to extend our gratitude to our editorial contributors and architectural firms for submitting their prestigious projects for us to publish. 2017 has been a great year for SA Building Review. Being affiliated with the South African Institute of Architects has been well received and we are very thankful for this opportunity to be part of such an auspicious institute serving the voice of architecture in South Africa. We look forward to growing from strength to strength with SA Building Review continuing to serve as a useful resource for all our readers, from industry professionals, to home owners. Our promise of excellence in exposure and our collaboration with suppliers and manufacturers, is to compile each edition to beneficially serve the built environment and this is of utmost importance to us. We look forward to building an even stronger mouthpiece for the built environment with your continued advertising and editorial support. Without you, we are nothing. We wish you all a healthy, productive and peaceful 2018.

Best regards Elroy van Heerden


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Voice of SAIA

Message from the South African Institute of Architects The South African Institute of Architects (SAIA) is a body of professional architects, whose main objective is to ensure that its members maintain a very high standard of professionalism, integrity and competence in architecture.

Obert Chakarisa, SAIA Chief Executive Officer

The South African Institute of Architects (SAIA), is glad to announce its partnership with Media Xpose, which has resulted in the latter being a key Affiliate Member of SAIA. The Affiliate Membership category of SAIA opens up the top notch of the Architectural Profession to the fellow Built Environment Professionals and the industry at large. Organizations that seek to access the very best architects in the country have the luxury of getting exposure to more than 2 300 architects and 1 200 architectural firms. Media Xpose will be able to facilitate this access on behalf of SAIA.

Any member of the Institute, as defined in the Constitution, is required to: • Continually enhance their professional skills. • Ensure that their work promotes sustainable development goals to the benefit of the South African community and the natural environment. • Improve the standards of health and safety for the protection and welfare of all members of society.

Code of Ethics Members of the Institute, registered as professional architects, subscribe to a Code of Ethics with established principals which remain core to members as they conduct their business. To continually elevate the architectural profession and support members as they strive to attain the highest standards of workmanship, SAIA ensures its members are educated and trained appropriately. Thus, SAIA members are equipped to provide leadership and critical judgement, while also exercising their specialist knowledge, skills and aptitude for the betterment of design and development in the built environment.

South African Institute of Architects T +27 (0)11 782 1315 F +27 (0)11 782 8771 E W


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404 Commerce House, 55 Short Market Street, Cape Town, 8000 PO Box 15165, Vlaeberg, 8018 Tel: 021 424 3625 Fax: 086 517 7277

Affiliate Member




VOLUME 6 | 2018

Editor: Elroy van Heerden Contributing Editor: Gareth Griffiths Editorial Assistant/Content Manager: Melanie Taylor Sub-Editor: Tessa O’Hara

Umkhumbane Museum: Celebrating life, growth and the transition of a community A new regional retail development: Table Bay Mall Westbury Clinic wins at World Architecture Festival 2017 Sasol Place: 2017 Major Award Winning Project RSA R60.00 incl VAT


Cover art: Coverland


Design and Layout: CDC Design Editorial Contributors: Bosch Power Tools Saint - Gobain Weber Fourways Airconditioning Blue Scope Steel Southern Africa South African Plastic Pipe Manufacturers Association BASF Swartland Windows and Doors Gunnebo Featured Projects – Contributors: Choromanski Architects Savage + Dodd Architects Vivid Architects Ntsika Architects SAOTA Metropole Architects Amdec Group Architects of Justice Terra Force 26’10 South Architects Green Building Council Mitek Industries a.b.e. Construction Chemicals Meyer & Associates, Urban Designers Mashabane Rose Associates ARCC Green Block Architects Paragon Architects 2AD Space Architects Greg Wright Architects Project Manager: Jacqueline-Ann Marsh Advertising Sales: Samantha Morrison

Disclaimer: The views expressed in this publication are not necessarily those of the publisher or its agents. While every effort has been made to ensure the accuracy of the information published, the publisher does not accept responsibility for any error or omission contained herein. Consequently, no person connected with the publication of this journal will be liable for any loss or damage sustained by any reader as a result of action following statements or opinions expressed herein. The publisher will give consideration to all material submitted, but does not take responsibility for damage or its safe return.


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Distribution and Subscriptions: Maurisha Niewenhuys Financial Director: Shaun Mays Retail Distribution: RNA Distributors

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contents 4 Editor’s Note 6 Voice of SAIA 34 New line laser generation from Bosch for professionals 80 Weber takes the hassle out of renovating 82 Resilience in the face of fire 87 Ensuring economical hot water for eight 4-storey apartments 88 Sitari – Country estate with eco - flair 118 Energy-efficient climate control system for Milpark Hospital extensions 120 Anatomy of a sustainability consultant – walking the talk 125 Swartland: Almighty aluminium 135 PVS-O pipes: An exciting new market for plastic pipes 142 Function and form for people – flow management 146 Green for Good Works 150 Acorn Creek goes Textured 172 Cruise Terminal refurbishment – Cape Town Harbour

Advertorial Features: 2

S afintra Roofing: A whole new look with Newlok 18 Solar Ray: Clearing up the confusion about solar water heater systems 27 SIKA: Sika adds value to N2 Eteza interchange 42 PPC: Quality: Still PPC’s focus 125 years on 55 SAFAL Steel: Architects will love this finish 73 SAWPA: Understanding wood preservation 92 Hansgrohe: A shower experience like no other 131 Corroshield Fasteners: Innovative, quality fasteners in South Africa for more than a decade 140 Federale Stene: Bricks are our business 144 Youngman Roofing: Youngman Roofing continues to grow 148 Eco Tanks: Effective water storage solutions 152 Reynaers Aluminium: Design freedom combined with performance 156 Ambius: Plants help support business success 166 Shuttle Lighting: Shuttle Dimmers – adding to the art and architecture of a beautiful environment 174 APIGIS: Professional indemnity solutions for architects 180 T&B Log Homes: Changing the face of DIY Timber Home Construction in South Africa

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contents Featured Projects: 14 Umkhumbane Museum 22 Sol Plaatje University Building Moroka Halls of Residence 30 Table Bay Mall 36 Westbury Clinic 40 House Invermark 44 Salt Rock House 48 One on Whiteley 50 Mjejane private Game Reserve 56 House VZ 62 Geotechnical engineering, Bakhoven project 68 Sasol Place 78 Tshwane House

Hi-Tech Nail Plate (HTNP) have been established for more than two decades in the roofing industry and, design manufacture and install a wide range of roofing systems for all types of construction applications. We provide complete roofing solutions as well as specialized professional engineering services and are a proud member of the Institute for Timber Construction of South Africa (ITC SA)

90 Streetlight Schools: Jeppe Park Primary, Johannesburg CBD 98 Du Noon Primary School 102 SAISC Steel Awards for Ultra-Span roof structure, GLA School Hall, Jeffreys Bay 106 New Discovery Headquarters in Sandton 110 Construction Chemicals for high profile projects

HTNP are experienced and accredited manufacturers and installers of MiTek® Lightweight Steel Roof Structures

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Services include: • Exposed feature trusses • Hybrid roofing solutions • Roof insulation, supplied and installed • Roof coverings, including: sheeting; tiles; slate and specialized coverings

138 Lion’s View

128 Rock Art Gallery

154 The Island Estate-Rooms with a view 158 Rahima Moosa Hospital Extension 164 Alice Lane 3 168 Moolman Residence

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176 CCA House

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Project Feature: Umkhumbane Museum

Umkhumbane Museum celebrating life, growth and the transition of a community Cato Manor in Durban holds national relevance as well as global significance as one of the world’s largest forced removal townships. Community uprisings, riots, subjugation and eventual emancipation form a major part of this site’s history. The heritage of the people who resisted oppression permeates through to the present as a triumphal spirit of freedom, providing the inspiration for Choromanski Architects, winners of the Africa Architecture Award Programme 2017 for the Umkhumbane Museum in Cato Manor. This spirit was the inspiration for the development of the cultural programme which celebrates life, growth and the transition of a community just 7km west of Durban’s CBD.


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The architects proposed a system that would create public awareness, a network of cultural infrastructure, environmental regeneration and a public space in the city that will attract local and international visitors.

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Project Feature: Umkhumbane Museum

The Africa Architecture Award Programme 2017, the first of its kind, is an international platform which globally exhibited the values and principles of projects within Africa. The programme complimented the complexity of the Choromanski Architects team process which shares in the many voices that support the community. It is an ongoing resilient and enduring project nurtured by the eThekwini Municipality, supported by the Durban Community and now leading Africa to proudly stand on the world’s cultural stage. The eThekwini Municipality and the Cato Manor Development Association (CMDA) had earlier identified Cato Manor as an ideal location to develop the uMkhumbane Cultural Site to preserve the area’s rich political and environmental heritage, while supporting the evolving local urban culture. For many years this well located piece of land existed as a dump site, edged by the polluted uMkhumbane River, and at the confluence of two major transport arterials within the Durban Metropolitan Open Space System. The site is also situated on university land, which was donated to the project by the Department of Education and is in close to mixed cultural residential areas. It is also significant as it was chosen by Zulu King Goodwill Zwelithini for the re-internment of his mother, Queen Thomozile Jezangani Ka Ndwandwe Zulu. The Queen lived in Mayville as a domestic worker in her later life and was recently found in a grave in Mayville. She became the muse for the museum and her contrasting life story is now honoured in traditional Zulu ceremony and contemporary architectural expression. This is the first public cultural building for Cato Manor and the first new city museum in approximately 100 years which will support a broader urban plan. The project seeks to activate and network various cultural nodes within the Cato Manor community and the surrounding areas through community participation, local artists and leaders. It informs a process, nurturing creativity from past fractured identities which evolves from human scale to urban strategy. There is a master plan for the cultural site which guides the programme. During phase 1 Zulu Queen Thomozile Jezangani Ka Ndwandwe Zulu was re-interred in 2011 and the Gallery Tower of the uMkhumbane Museum was completed. Future Phases will encourage events and inform facilities as required by the community and the city, for instance: • A cultural park and public square • Dedicated space for community exhibitions • Gathering areas for oral, performance, installation exhibits • Social gathering areas for functions, eg. Book launches • Concession areas • Support to cultural nodes within the community and surroundings areas, 
nurturing an entrepreneur spirit of a local economy within the area • Theatre as a multi-purpose space • Children innovation and recreation facilities • Facilities to support UKZN and community interaction

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As part of the master plan, the Gallery Tower and the Queen’s Memorial draw on Zulu emblems in contemporary architectural expressions, creating powerful spaces to elevate culture. The buildings in Phase 1 have been constructed from three primary materials familiar to the community and primarily sourced locally and constructed from skills within the community. These include concrete, brick and metal. Red clay face brick was chosen as the primary cladding material because it is indigenous to the alluvial plains of Durban. It is also lowmaintenance, labour intensive, certified for practical skills training on a landmark city project, buildable by local builders and symbolic of humble, robust permanence. The use of brick cladding for the museum building, however, created certain engineering challenges as it was unable to hold its own weight for the heights required in the galleries. The Choromanski Architects team constructed a set of diaphragm walls which increased the volume of the spaces and reduced the amount of concrete required. The architects also increased the stability to the high gallery walls, which assisted in improving the acoustics, thermal mass, waterproofing and the overall structural properties of the entire building’s outer shell. Seven steel columns support the perforated aluminium screen, shaping a vertical entrance atrium gallery, 36-metres in height, juxtaposed to a


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Project Feature: Umkhumbane Museum

corrugated aluminium facade. The perforated screen not only provides solar control from the north, but also allows in natural light and ventilation to the core on the west, which reduces the building’s heat gain. The network of triangles that form the pattern on the façade are based on Zulu beadwork fractals to form organic interplay of order and nature as a cultural coded language which articulates identity into the architecture. Funding for the project was initially provided by the Lotto, who together with the eThekwini Municipality, stimulated momentum for the development which was also complimented by the donation of UKZN land for the site by the Department of Education. According to Choromanski Architects: ‘It’s a process of co-creating regenerative and enabling systems, where the project serves as a catalyst within its immediate environment, creating structure to enable the health of the surrounding community and natural environment. The Mkhumbane Cultural

Place will define a significant sense of place which celebrates resilience of life, growth and the transition of a community within the city of Durban that could provide much needed stories of regeneration and redress in South Africa.’ n

Choromanski Architects T +27 (0)31 303 2985 F +27 (0)31 303 2918 E


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Advertorial: Solar Ray

Clearing up the confusion about solar water heater systems Investing in a solar water heater is the best investment you will ever make, but you need to start investing sooner rather than later! There are a couple of deciding factors about the type of system you’ll need, and which brand or what capacity, and this can be confusing and overwhelming. The South African National Standards 10400XA, legislated in 2011, makes it compulsory to install an energy-saving form of water heating device in your newly built home, or extension of your existing home, to reduce the carbon footprint of your household. We often make costly but important decisions based simply on advice from friends, family and neighbours and whatever the sales person of a brand tells us. When you consider buying a solar water heating system, bear in mind that it consists of a collector system (flat plate or evacuated tubes) and a water storage tank. The hot water tank in a solar water heater is the most critical part of the system and generally consists of an inner tank and an outer wrap. The inner tank contains the heated water and is insulated to keep the water hot. The outer envelope protects the insulation material and provides a foundation so it can be fitted to your roof.



Key factors to consider before you buy a solar water heater

It is always advisable to consult SANS 1307, SANS 151, SANS 10400 and SANS 10106 prior to the installation. What is the application of the solar water heater? Solar water heating can be used for household applications and industrial applications. The size of the systems will differ as well as the temperature needed. With an industrial installation, the correct way to specify the size is 1 tube per 10 litres or 1 x 1m2 flat plate collector per 100 litres. Solar water heaters are designed to collect the energy from the sun during the day so that the water can be used in the evening. Most solar water heaters have an electric back-up as the main objective is to have hot water on demand. However, according to SANS, the electrical back-up element must be fitted in the middle of the tank and not at the bottom of

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Advertorial: Solar Ray

the tank as is done with a normal electric geyser. This results in only half the water in the solar water tank being heated by the electric back-up. How many people will be using the system? When choosing the size of the solar water heater it is important to make use of the stats provided by the SABS. The SABS regulations state that with a solar water heater, the storage vessel is specified at 75 litres of hot water per person per day. Therefore, a household of four people needs a minimum of 300 litres to ensure a proper saving, as you are looking at a solar water heater with an electrical back-up and not an electrical water heater with a solar back up! How far is the point of installation from the point of draw-off in the home? It is always ideal to have the solar water heater as close as possible to the point of draw off, either the kitchen or bathroom. If possible, the solar water heater must not be further than 7 metres from the point of draw off as the efficiency of the solar water heater will be affected by the distance of the pipes that transport the hot water from the storage vessel to the taps. Is the roof suitable for a solar water heater installation? It is of utmost importance to inspect the roof structure prior to the installation of a solar water heater. First, the area of the roof on which the solar water heater will be installed must point north, north-west or west. The ideal angle of the solar water heater installation must be between 21 and 34 degrees for optimum heat exchange between the panels and the storage unit. The roof structure needs to be supported properly under the point of the installation. Shade is a determining factor Shade on the collector of a solar water heater is the number one enemy of the efficiency of the solar water heating system. Any shade will result in the rays of the sun not penetrating the panel, and thus won’t

be converted into energy to heat the water. Shade is usually caused by trees, buildings, chimneys and roof structures on the northern or western side of the solar water heater. What is the thickness of the insulating foam around the inner tank? According to the new VC specification that was Gazetted for implementation on 12 September 2017, the insulation foam around the inner tank must be thick enough to ensure the correct energy grading as per the new standard. Solar water heaters must have at least a 50mm insulation between the inner tank and the outer wrap of the storage vessel to ensure that the water is insulated to stay hot over a 24-hour period. Keep in mind that the sun doesn’t shine at night, so if all the hot water is depleted at night, the water will not be hot in the morning unless the back-up element heats half the storage vessel for use in the morning. The quality of the inner tank Stainless steel is commonly used in the manufacture of cutlery, pots and pans, water tanks and many other industrial applications due to the longevity of the product. With solar water heating systems, various grades of stainless steel are used to manufacture the inner tanks. The best quality inner tanks for hot water applications are manufactured from type 444 stainless steel because of its corrosion resistance properties at elevated temperatures. Why does the grade of stainless steel matter? The different stainless steel grades are high-alloy steel that has excellent corrosion resistant properties when compared with other steels. One property common to all stainless steel grades is that they contain chromium and this provides corrosion resistance. Many years ago, producers of electric hot water tanks all over the world started replacing the traditional enamelled-steel water tanks with stainless steel tanks. The corrosion-resistance of stainless steel meant that the tanks had a far greater lifespan.





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Advertorial: Solar Ray



Flat-plate or evacuated tube collectors? The choice between a flat-plate and evacuated tube solar water heating system is usually a personal choice based on cost. The main difference comes down to efficiency. With evacuated tubes, the vacuum drawn on the product provides almost perfect insulation and increases the efficiency. A product with a vacuum drawn operates at 50% better efficiency compared to a non-vacuum product. A flat-plat panel has insulation at the back and sides with glass on top and is subject to heat loss. Generally, during the summer months, there’s very little difference in performance between the two. However, in winter when we have cold days and lower light levels, the evacuated tubes will perform better. Flat-plate solar collectors can be used in most climates but are significantly more suitable to warmer, sunnier climates, where freezing and solar angles are less likely to impact on the solar water heating system (like the coastal areas in South Africa). When a portion of a flat-plate collector fails, the entire flat-plate collector must be shut down and replaced. Flat-plates in frost sensitive regions normally use a glycol heat transfer fluid which requires replacement every two years. Evacuated tubes require no maintenance (with a 15 year design life on the selective coating) and are very affordable to replace, should the need arise. Evacuated tubes capture sunlight better as they have a greater surface area exposed to the sun at any time. If one tube becomes damaged, only that tube

needs to be replaced. Depending on the type of tube system used, there is no need to shut down the entire system and no water wastage occurs. The vacuum tubes are also resistant to damage from adverse weather conditions and are tested according to SANS 1307 to withstand a 32mm hail stone at 10MJ close range. Ensure you invest in a system made from high-quality materials – cheap is nasty When you invest in a solar water heater, make sure you select a system that is manufactured from high-quality materials. Avoid the cheap units and rather choose a locally manufactured system that provides you with local back-up and support. Units with longer warranties are usually better quality, but so often – as with everything else – the least expensive option you purchase is the most expensive option in the long run. Remember, the purpose of a solar geyser is to collect energy from the sun in the most efficient way to prohibit electrical back-up and the resultant costs. We offer roof stands for any roof angle, be it flat roofs or pitched roofs. n HYGIENIC. TOUGH. LONG LASTING. IT’S STAINLESS STEEL 10 YEAR WARRANTY ON THE TANK

Solar Ray (Pty) Ltd T +27 (0)11 065 6500 E



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Project Feature: Sol Plaatje University Building, Moroka Halls of Residence

Moroka Halls of Residence Sol Plaatje University in Kimberley in the Northern Cape, is one of two new universities to be set up in post-apartheid South Africa in response to increasing access to higher education. The university has been designed as an open campus integrated into the fabric of the town. It is seen as a catalytic urban regeneration project - the city itself becomes the university and the university the city. The project was undertaken as a two-stage design competition. The competition phase explored a series of questions such as: What makes an architecture specific to its place, as well as questions relating to the nature of the urban fabric of Kimberley and its influence on the nature of the proposed university and what typologies would encourage connectivity and social learning that are driving new modalities of teaching and learning. Buildings are about people, about life, about habitation. Savage + Dodd Architects began this process by imagining the kinds of spaces that a new contemporary university might contain. They imagined a series of users through a day and night cycle; what would they be doing where?



‘We chose to explore these ideas through a narrative attached to the development of the design that attached voices and people to the kinds of spaces that we imagined,’ explains Heather Dodd. ‘We thought that the architectural language of the new university should be driven through a contemporary response to an environmentally appropriate architecture, which places the buildings in the landscape of the city. It should be low key and modest with certain iconic highpoints that identify the university as a special place.’ ‘These iconic moments are highlighted against the background of an urban field. This is the concept of balancing “background” and “foreground” buildings. These iconic moments are those that become ingrained in the memory of the city and give its users and inhabitants a sense of belonging and ownership. The public spaces of the university may become a meeting point for friends, a place to skateboard, focal points where iconic buildings are used as backdrops

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Project Feature: Sol Plaatje University Building, Moroka Halls of Residence

for wedding photos and where graduation photos that adorn offices walls and mantelpieces are taken,’ she adds.

A building responsive to the landscape

The Northern Cape is the largest province with the smallest population in South Africa. It is characterised by a dry arid landscape with a desert climate of extremely hot summers and bitingly cold winter days. The landscape is characterised by layers of habitation realised in the markings left on the landscape from ancient rock engravings to tracks and mining excavations. A landscape of arid plains with rock outcrops, termite mounds and pans of water that appear after the summer rains. These elements were critical project informants in realising a building that was responsive to the landscape and climate and was inspired by its context in the resolution of key building elements. Some of these have been translated into elements in the building; the metaphor of the tree, the water pan, the colonial veranda and the rock engravings of Wildebeeskuil and Driekopseiland etched into steel sunscreens. The first phases of the University consisted of three land parcels, catering for a variety of building types and uses, designed by different architectural practices. Building C002, now named the Moroka Halls of Residence, is a multi-purpose building that faces onto the urban square and together with the adjoining C001 building, wraps around a central internal courtyard. It consists of three distinct parts which relate to the placement of the building on the site and articulates different uses. The building comprises a 174-room residence, a dining hall and kitchen, teaching venues, academic offices and ground floor retail space onto the square.

Multi-use buildings provide a variety of different spaces

Responding to the brief, the planning of the building brings together a variety of different spaces, by necessity some are small and some large-scale. In the context of contemporary university design

buildings that encourage sharing of resources, connectivity, social learning and the uniting of disciplines, vibrant cross-fertilizing containers are integral to the student learning experience. These multi-use buildings provide a variety of different spaces that can be programmed for an assortment of uses and integrate both formal and informal social spaces within a live-work, learn-play multi-functional precinct. The building is entered through a portico echoing the historic mining structures, into an entrance that leads on a large open veranda. The veranda as a typology has been part of the lexicon of colonial architecture as an element that mediates between inside and outside. Here the veranda becomes a super element that provides deep, cool, shaded space, facing the internal courtyard and is used as the primary structuring element of the building. It provides a large-scale deep circulation space at the scale of an outside room leading from the entrance portico separating the two components of the complex into the internal courtyard. This space is a spill-out space, a circulation space, a space from which to address the courtyard. Direct sunlight onto the veranda is screened by a dynamic wind-driven louvre composed of a mesh of moveable punched stainless steel plates with coloured Perspex returns. A series of repeating patterns are cut out of the square plates. The effect is a continually changing dappled and coloured shadow as the sun moves across the courtyard. As the wind picks up, the screen ripples, creating a dynamic façade element. The project has been awarded an SAIA regional Award of Merit by the Northern Cape Institute for Architects. It was also shortlisted in the World Architecture Festival 2017 in both the Higher Education & Research and Best use of Colour categories. Savage + Dodd Architects presented their work in front of an international jury in Berlin in November 2017, competing against 14 university buildings in their category and were awarded a Highly Commended in the Higher Education & Research Category. n

Savage + Dodd Architects T +27 (0)11 782 8188 E W



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Advertorial: Sika

Sika adds value to N2 Eteza Interchange February 2017 saw the completion of an extensive Sika project on the newly constructed Eteza Interchange on the N2 National Route in northern KwaZulu-Natal. Due to continual road damage caused by a high percentage of overloaded trucks, the South African National Roads Agency Limited (SANRAL) resolved to construct an Overload Control Facility on the dangerous section 29 of the N2. For heavy vehicles to gain safe access to the control facility, a full diamond interchange was constructed at the junction of Road P352 and the N2. Empa Structures, a division of Robex, was appointed

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civil contractor for all concrete aprons, the bridge over the N2 and building works. Contracted to install and apply multiple Sika products, they commenced the approximately 6200m2 project in May 2015.

Mortars used

Mortars used included Sikadur-43 ZA, a solvent-free, three-component, repair and filling mortar based


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Advertorial: Sika

on a combination of epoxy resins and selected high strength aggregates, and Sika Rep, a onecomponent, cement-based multi-purpose patching and repair mortar. Suitable for both dry and damp surfaces, Sikadur-43 ZA provides rapid, shrinkage-free hardening and high mechanical strength as well as abrasion and impact resistance. Curing of Sikadur-43 ZA is unaffected by high humidity, an important factor in this area of KwaZulu-Natal. Easy to mix, apply and finish, Sika Rep provides excellent adhesion, is shrinkage compensated and vapour permeable with a high resistance to freeze/thaw cycling. Concrete curing agents Sika concrete curing agents used were Antisol -E (3000 litres), and Antisol-15 White Pigmented Resin Based (Colta requirement) (9000 litres), both liquid curing compounds particularly useful for the prevention of water loss in large areas of exposed concrete. Supplied ready for use and simple to apply, these Antisol products reduce the incidence of plastic cracking, ensure achievement of desired strengths, minimise shrinkage, reduce dusting and increase frost resistance. Use of these compounds alleviates other costly methods of curing such as hessian-watering, which was an advantage during this project due to the extreme weather conditions in KZN, especially in summer. Prior to filling and sealing, concrete joints were mechanically prepared using an angle grinder, then air blown and cleaned with a high-pressure water jet and allowed to dry.


Grouting was done using SikaGrout-212, a onecomponent, high strength, free flowing expansive grout that is supplied as a ready to mix powder. With shrinkage compensated properties, it is non-corrosive and pre-batched for quality. Sikadur-52 ZA, a two-part, low viscosity injection liquid based on high strength epoxy resins, was used to fill and seal voids and cracks. Solvent-free and suitable for both dry and damp conditions, it not only forms an effective barrier against water infiltration and corrosion promoting media, but also structurally bonds concrete sections together. Sikadur- 52 ZA is usable at low temperatures, injectable with single component pumps and provides shrinkage-free hardening with high mechanical and adhesive strengths.

Silicone sealant

One of the top-quality products used was Sikasil-728 NS (727 cartridges), a non-sag, ultra-low modulus

elastomeric, neutral cure, silicone sealant. Although Sikasil-728 NS met multiple international standards and environmental requirements, at the time of the project it was not a SANRAL-approved sealant, resulting in Sika being required to provide independent test reports to prove its efficacy. Unsurprisingly, the results satisfied SANRAL technical specifications for a highway sealant. Sikasil-728 NS provides very high movement capabilities, excellent flexibility even in extreme temperatures, very good adhesion, especially to concrete and, due to its outstanding UV resistance, has an exceptionally long service life. Manual applicator joint sealant guns were used to apply this specialist product.

Bonding agent

As a moisture-tolerant, structural two-part bonding agent, Sikadur-32 Normal was used as a bonding agent between wet freshly placed repair mortar and old existing concrete. Based on a combination of epoxy resins and special fillers, Sikadur-32 Normal is easy to mix and apply, suitable for dry or damp concrete surfaces, hardens without shrinkage and provides very good adhesion with high bond strength as well as high initial and ultimate mechanical strength. It is impermeable to liquids and water vapour and designed for application between 10oC and 30°C.


The ninth Sika product specified for the project was Sika BlackSeal Lastic; a rubberised bitumen emulsion waterproofing coating that is easily applied either by brush, roller or trowel. With non-sag, crack-bridging properties, non-toxic Sika BlackSeal Lastic remains flexible even at low temperatures.

Skills development programme

Thanks to Sika supplying a skills development programme, local labour from the district municipality of Uthungulu was employed to apply many of the specified Sika materials. The local Empa soccer teams also benefitted from the project by being sponsored with Sika T-shirts for their sports day. The Council for Scientific and Industrial Research (CSIR) has estimated that 20% of all heavy vehicles are overloaded; accounting for 60% of the damage caused to the South African road network. The Overload Control Facility at Eteza Interchange will provide much needed safety measures by monitoring all heavy vehicles not only for overloading, but also for roadworthiness tests. The Eteza Interchange is a very worthwhile project in which Sika played a major role.

Sika South Africa (Pty) Ltd T +27 (0)31 792 6500 W


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Project Feature: Table Bay Mall

Table Bay Mall Table Bay Mall, a new regional retail development on the northern reaches of Sunningdale in Cape Town, opened in September 2017. The mall, situated on the corner of the R27, West Coast Road, and Berkshire Boulevard, on a 20-hectare site, is the largest regional mall in the hub of the Big Bay, Bloubergstrand and West Beach areas with over 65,000m2 of retail space. More than 150 shops and restaurants are located on a single retail level in the form of a figure eight. Retail food anchors are positioned at the extreme ends of the mall on either side, namely Pick ‘n Pay and Checkers. The central mall node is anchored by Woolworths and H&M as well as larger family restaurants. The layout provides for easy navigation for shoppers, with attention paid to sight lines from all the key node areas to the anchor tenants, effectively drawing the customer through the four mall quadrants. The mall offers 1,300 outside and 2,000 undercover parking bays with easy access to the retail level via three main lobbies. The basement lobbies open up to the retail level via large voids that are further emphasised by large skylights overhead, allowing natural light to penetrate the basement lobby area.


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Ease of access and navigation paramount

The ease of customer use and navigation was paramount in the design, and the basement lobbies are designed as an extension of the mall experience. Escalators and feature stairs provide quick and easy access to the retail level above, with service areas such as ATMs, public toilets and centre management offices providing essential facilities in easily accessible locations. Attention during the design process was focused on easy access to the building with consumers arriving by car and on foot or public transport. The design solution achieved its aim. Access to the semi basement parking is simple and clear. From the entry points on Berkshire Boulevard, customers access the basement

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Project Feature: Table Bay Mall

without negotiating any change in level and can drive straight into the covered parking area. From there, access to the mall is via the basement lobbies in three well-positioned locations. For customers wanting to park in the open, or arriving on foot, forecourt parking is provided, including pedestrian pathways from the external road network. The mall building faces onto the open parking area, with entry into the mall via three entrances. Importantly, the main façade facing the parking is treated as an active edge, with shops located along the main façade. A wide, well-landscaped walkway creates a street edge along the main façade which is further emphasised with a cantilevered canopy. From the three external entrances, the lead-in malls are kept intentionally short, with the outer lead in-malls being angled towards the centre of the forecourt parking. Future growth has been designed into the project from conception and will allow the mall to organically expand to over 90 000m². For example, the semi basement parking has been excavated to accommodate the parking requirement for the larger building, however, the actual surface bed for parking bays has been completed to cater for the first phase parking requirement.

nautical theme. Vivid Architects took inspiration from modern super yachts, incorporating curved flowing lines and using contemporary materials such as glass, stainless steel, aluminium panelling and natural timber. The aesthetic is continued internally with extensive timber panelling, providing a warm texture throughout the mail experience. The mall entrances are emphasised with double-height flushed glazed curtain wall glass, contrasted against polished concrete entrance portals and columns. The extensive glazing provides natural light into the lead-in malls. The inclusion of natural light is an essential element of the mall design and is provided by a continuous central skylight throughout the mall. Rigorous building economics and value engineering continued throughout the design and construction process, resulting in a project that is incredibly efficient from a GLA/GBA perspective, with a construction cost per square metre well below the industry average. This has resulted in a development being completed within budget but completed to a very high standard, with a look and feel that is far superior to the final costs. This is a key element of the Vivid Architects design approach: we create beautiful buildings that are well crafted and cost-conscious.

Design aesthetic inspired by a nautical theme

Sustainability measures

Considering the location of the mall near the coast, as well as the mall name, the overall design aesthetic has been inspired and influenced by a contemporary

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The client and design team have taken sustainability measures as a principle of appropriate design. Energy efficient lighting (LED) and equipment have been used thought the project. Smart metering and


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Project Feature: Table Bay Mall

monitoring of energy systems is in place. Natural daylight has been incorporated into the internal mall areas via extensive roof lights and at the same time these roof lights have not added a significant heat load to the building as solar-protected glass has been used. The roof has been designed for future installations of solar panels, with reticulation throughout the building being cognisant of this. Natural resource preservation measures include water-saving devices which are essential for sustainable development in the Western Cape. These include two rainwater harvesting attenuation ponds where rainwater from the specially designed roof will be harvested and used for ablutions and irrigation. Any overflow from the ponds will be directed into the municipality’s storm water channels. Two boreholes were also installed to minimise municipal water usage. Other measures include metered usage, indigenous plants and rock gardens in non-public areas for current drought conditions and water-saving taps in restrooms. Recycling initiatives include wet waste being sent to a bio plant instead of overloaded landfills, wet and dry compactors on site, onsite sorting of refuse from tenants and sorters for plastic, paper, cans and glass.

Technological innovations

The developer was able to introduce several technical innovations. These include Tap-To-Pay parking at exit booms, meaning no queueing at pay

stations. Digital wallpaper – video walls surrounding lifts that showcase thematic and seasonal displays – are a first in South Africa on this scale. Directional touch screens to help shoppers find their desired store are also present, and fibre optics provide speedy Wi-Fi, which is free to all in the mall.

Construction techniques

Having developed several shopping centres prior to Table Bay Mall, the developer and team have been able to use some tried and tested building techniques. These include the extensive use of Tilt-Up concrete panel construction for nearly threequarters of the overall building façade. This has massive implications on reducing the external façade construction time as well as providing a well-finished final product. It does, however, require extensive preplanning and resolution of services and structure for its use to be successful. In addition, the architects must understand the limitations and benefits of the material to maximise its use in creating good aesthetic design solutions.


Table Bay Mall opened on time and on budget and is trading above projections during its first few months of operation. This has only been possible with a team approach, benefiting from an experienced developer and an experienced professional team and contractor. n

Vivid Architects T +27 (0)21 526 1500 E


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Editorial: Bosch Power Tools

New line laser generation from Bosch for professionals For more efficiency on the construction site, Bosch now offers a new line laser generation that uses Bluetooth and can be controlled with an App. The three models: entry-model GLL 3-80 Professional, as well as the connected models GLL 3-80 C Professional (red) and GLL 3-80 CG Professional (green), are the first-ever line lasers globally that are controlled via an App. Tradesman can use the levelling remote App, for example, to switch laser lines on or off without touching the tool and without accidentally disturbing lines already set up. The App control makes working in difficult areas easier and faster. The brightness of the laser lines can also be set as needed, either to see in bright areas or to save bat-tery life. The Bosch levelling remote App can be downloaded for free from Google Play Store and Apple App Store and is also part of the Bosch Toolbox App.

Bosch sensors monitor the calibration

The connected models also offer a calibration warning, the Cal Guard function – an-other Boschengineered world-first. With this, users can identify potential calibra-tion impacts which are not always easily identifiable: for example, if the product has been impacted by a massive fall or exposed to extreme temperatures outside the al-lowed -20°C to +70°C. The tool indicates a warning using a red LED light and thus en-sures precise results. Detailed information about the Cal Guard function can be found in the App. The Cal Guard function also informs the user when the recommended 12-month calibration interval has expired. The Bosch sensors monitor the state of the tool, even when it is switched off. If the tool has no battery life let, an internal energy source continues to monitor the tool for up to 72 hours.

Line laser with exceptional high visibility

All three models project a horizontal as well as two vertical 360° laser lines, whereby the crossing vertical lines form a plumb point on the roof and floor. In the GLL 3-80 Professional and in the GLL 3-80 C Professional models, high performance diodes ensure that the red laser lines are even visible in well lit environments. The GLL 3-80 CG Professional works using green laser lines which are four times more visible to the naked eye than red lasers.

Universal helper for various user applications

Be it splitting of rooms for dry walling, precise tile laying or the installing of cup-boards – using all its functions, the new generation of line lasers covers a wide varie-ty of applications. Even interior rotation laser applications are covered by the new models. This means only one tool is needed for all interior levelling applications. Multiple tradesmen can also work on different areas at the same time. For flexible mounting possibilities, use the BM 1 Professional universal mount. Both Bluetooth models are now also compatible with dual power sources – either a Bosch 12-volt battery or normal alkaline batteries. n Three 360°- lines with high visibility  High precision: touchless control via app  Exact working without calibration fault: world’s first Bosch Cal Guard  Better visibility: red high-performance diodes or green laser lines

Bosch Power Tools T +27 (0)11 651 9600 W


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2017/12/18 11:12 AM

Project Feature: Westbury Clinic

Westbury Clinic wins at World Architecture Festival 2017 One of the legacies of apartheid planning is the many marginalized communities still prevalent in our country. These communities are often poorly serviced with few public amenities. The public facilities which one can find are often behind a fence, very clearly enforcing exclusion. In the design of the Westbury Clinic, Johannesburg, the architects consciously set about to challenge this norm. They started to question the way city officials think about public facilities and put in place the mechanisms for more responsible, human centered design.

Photos by Ntsika Architects, Ryan Leukis, Michael Schmucker

Ntsika Architects was awarded the winner’s prize in the Health – Completed Buildings category at the World Architecture Festival 2017, on 16 November 2017, in Berlin, Germany. The project was commended for its approach to making a successful public space while maintaining a robust, safe street edge. This is the tenth year that the international architecture festival has


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been in existence and featured some of the world’s best-known architects who participated in the festival as finalists and judges.

Design solutions mitigate health risks Westbury Clinic, which opened in December 2016, is designed to mitigate and reduce the transmission

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Project Feature: Westbury Clinic

of airborne disease through various passive systems, including overall layout, the courtyard and external waiting areas, patient and staff flow and natural crossventilation. The space planning of the clinic was steered by the need to provide design solutions to mitigate health risks within the facility and eliminate the stigma attached to the ill. The clinic offers comprehensive healthcare services, including tuberculosis treatment, chronic care, antenatal and post-natal care, HIV care and cancer and prostate screening. In response to the limitations of the land, the clinic occupies the smallest possible area and opens up outdoor areas which serve as external waiting rooms. The building is set back from the street edge, creating a generous public space in front of the building onto the street. Robust street furniture is placed to encourage human interaction and engagement with the local community. The double-storey street façade is designed with high-level openings, creating a backdrop for life unfolding, while creating a safe, surveilled space. Landscaping softens the edge, providing shade.

The building was designed in English bond facebrick which is reminiscent of the traditional facebrick buildings in Johannesburg. Its aesthetics speaks to its surrounds, while simultaneously differentiating itself through its height and ‘monolithic’ aesthetic. As a result, it provides a relatable landmark.

Natural light and ventilation

The section of the building is designed to allow maximum natural light deep into the floor plate. The roof light is designed to create a natural suction on the roof and improve natural ventilation. Each consultation room has glazing from corner to corner on its external wall, allowing natural light to fill the room. Opening window sections at low levels also allows for maximum natural ventilation. The spatial layout of the clinic is one that clearly separates functions – preventing cross infection. The building creates an environment that heals; one that promotes health and human dignity through simple design solutions. It creates a civic presence in an environment that is otherwise indistinct. n

Ntsika Architects T + 27 (0)72 840 5268 E

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Project Feature: House Invermark

House Invermark awarded 2017 CIFA commendation Located in the leafy suburb of Higgovale, set below Table Mountain, House Invermark overlooks the city and harbour of Cape Town. Forty-seven years after receiving a medal for excellence, House Invermark has been awarded a prestigious Commendation from the Cape Institute for Architecture (CIfA), in recognition of noteworthy contributions to architecture. Designed originally for himself by respected South African architect Gilbert Colyn in 1969, it was inspired by two iconic modernist houses, namely that of Phillip Johnson’s 1949 Glass House and Mies van der Rohe’s 1951 Farnsworth House. The house was purchased by architect Stefan Antoni, director at SAOTA, in 2013. By this stage it had


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reached a state of disrepair and featured numerous inappropriate alterations and additions totally out of character with the language of the building. Had it not been for Antoni’s intervention, it might have faced demolition as its heritage status as a fine example of contemporary architecture was no longer recognised.

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Project Feature: House Invermark

SAOTA’s careful and sensitive alterations and additions have returned the threatened building back to its original state, enhanced its overall composition and significantly refined the living experience to bring it up to date with contemporary living. In the living area, kitchen, main bedroom and bathrooms, structure and screens were removed to facilitate improved flows associated with contemporary living. Changes were also made to the exterior spatial configuration involving the relocation of the swimming pool from the darker mountain side to the sunny street sea view side, providing much needed privacy from the street. This freed the courtyard to become a family garden planted with lawn and a row of Elderflower (Sambucus Nigra) trees running along a new linear water feature. The street interface was also substantially redesigned. These changes have served to significantly augment the experience of the house relative to the landscape. It is noteworthy that when Colyn viewed the house after its completion, he was suitably impressed. n

OKHA products showcased in the house: • • • • • • • •

Harvey slope sofa Jada sofa Liaison coffee table Movement coffee table Burbuja coffee table DC dining chair STM full arm swivel Dejour standing lamp

All OKHA products are designed and manufactured by OKHA. They are handmade and can be customised according to client specifications, making them unique and of the utmost quality. OKHA products are available internationally.

Project name: Invermark Project Location: Cape Town, South Africa Architects & Interior Architects: SAOTA and Gilbert Colyn (1969) Project Architects: Stefan Antoni and Leah Johnson Quantity Surveyor: SBDS Consulting Engineers: Moroff & Kühne Main Contractor: Mansvelt Construction Interior Design: ARRCC and Home Owner Interior Décor: OKHA Artwork: Tanya Bonello, Marti Kossatz, Michaela Rinaldi and Anton Smit Landscaping: Nicholas Whitehorn Project Photographer: Adam Letch and Stefan Antoni

SAOTA T +27 (0)21 468 4400 E

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2017/12/18 11:17 AM

Advertorial: PCC

Quality: Still PPC’s focus 125 years on By Rob Rein, Executive for Sales and Marketing at PPC PPC’s celebration of 125 years of operation this year has given each of us much to reflect on. Reaching this incredible milestone is the result of an incredible collective effort that spans generations of committed team members and courageous leaders. It speaks to our ongoing pursuit of quality, and imbuing that into all we do and create: from products and solutions to active partnerships across sectors, stakeholders and communities. Above all, it’s given us the ideal platform from which to move into the next decade and century as we continue to show the market that, when it comes to cement, there’s much more to it… The past decade has been an interesting time for most companies and brands operating here and across the continent. As our world becomes increasingly connected and complex, it has also become far less predictable and more dynamic – requiring a new response to both “cause” and “effect”. This continues to challenge all of us and, in the case of PPC, brings us back to our “why” of quality: the heart of our brand since the beginning. And, while this relates to our manufacturing and stringent testing systems and processes, on a much broader scale quality is a challenge; a call to act in all we do. Quality, mutually beneficial partnerships with our customers and other stakeholders have been the starting point for this approach. By giving customers access to world-class technical expertise from the outset – access to our laboratory, testing facilities, researchers and engineers across the business – we’ve created partnerships that speak directly to their strategic objectives and add lasting value. Moreover, we’ve been able to do this across our African footprint, using this as an opportunity to share skills, introduce relevant processes and build capacity. In a similar way, using our naming rights of PPC Newlands as a catalyst for partnerships with the JP21 Project (JP Duminy’s NPO) and, more recently, the Temba Bavuma Foundation (Temba Bavuma’s cricket development initiative) has meant that we’ve additionally repaired and built cricket practice pitches and nets that children in Soweto and Mitchells Plain are already using.

Rob Rein, Executive for Sales and Marketing at PPC

The September launch of our first PPC container in Ulundi (KwaZulu-Natal) at King Senzangakhona High School (in conjunction with a mobile science lab) also means that community members will now be able to buy quality building materials directly from the school – with all profits going back to the school. As PPC, we see these opportunities as just the beginning however; a taste of what’s possible and still to come. We’re looking forward to the next 125 years of partnership with our stakeholders across South Africa and the rest of the continent – and continuing to challenge and deliver on our definition of quality so that it remains relevant, meaningful and impactful. n

PPC Group Services T +27 (0)11 386 9000 E



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Project Feature: Salt Rock House

Photo by Grant Pitcher

Salt Rock House reveals uninhibited architectural expression Metropole Architects’ Salt Rock House is a 530m² modern 3-bedroom home situated on KwaZulu-Natal’s North Coast of South Africa. The house is a bold contemporary architectural design set in the picturesque coastal suburbia of the Dolphin Coast, celebrating the year-round warm coastal climate, local indigenous flora and fauna and magnificent 180° panoramic sea views. Salt Rock House represents an uninhibited architectural expression free from the restrictive stylistic design guidelines typically found in the numerous gated housing estates located in the area. The house stands proud on its steep site and is a progressive cantilever form arranged over three cascading levels that proclaims its presence and pioneers a paradigm shift in the architectural design language of its context.

Architecture that visually engages with the street

The road (public) facade is intentionally low slung, minimalist, austere and hard up against the western site boundary, resulting in an architecture that visually


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engages with the street. A linear plan form stretching across the entire width of the site is set back from the street by the width of a double garage structure. This allows for maximum open and sheltered private space used for living, entertainment, relaxation and enjoyment of the sea view. The relatively solid and planar western façade also provides effective privacy for the inhabitants, whilst at the same time acting as an efficient barrier to bad weather and prevailing strong winds coming from the south west. The entrance to the house is a carefully considered, striking one-and-a-half volume arrangement of components in full height glass, timber and painted plasterwork. The architecture aims to impress right from the start. The strong horizontal line created by the roof over the recessed entrance area, together with the vertical lines of the flanking walls, create a framed view through the house to the ‘big blue’ beyond.

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Project Feature: Salt Rock House

A series of external and internal timber screen elements help to provide a sequential reveal of the interior of the house and view beyond as one moves from outside to inside. High level perimeter strip windows lighten the experience of the building mass overhead and enhance the experience of the vertical volume of the entrance area and main circulation spine of the house, leading away to the principal bedroom areas at this, the upper ground floor level.

Comfortable spaces with access to expansive sea views

Both the master suite and second bedroom at this level are generous spaces for relaxation with en-suite

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dressing rooms and bathrooms located at opposite ends of the linear floor plan to maintain privacy between the owners and their family members or guests. Here the principal design intent is to provide comfortable spaces with access to the expansive sea views to the east. Fixed vertical timber screens bring filtered daylight into the clean, modernist bathroom interiors, directing views to the sea without sacrificing privacy and adding a degree of detail and natural colours and texture to the modern side façades. Private balconies to the master suite and second bedroom allow one to venture outside to the edges of the cantilever on a ‘lookout point’ and engage with the sun, sea and breeze.


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Project Feature: Salt Rock House

In addition to the bedroom areas at the upper ground floor level, a screened-off secondary TV lounge connects to a double volume space. This is an extension of the entrance experience and connects one to the lower ground floor level via a central stringer steel feature staircase with solid oak clad treads and glass balustrade. Here the kitchen, dining and formal living areas are located together with a sunken bar area and guest suite. A light-well with landscaped green wall, delivers ventilation and filtered ambient light to the rear of the single aspect plan.

Unconstricted, uncluttered and connected to the outdoors

At the lower ground level, open plan design with a minimum of dividing walls, minimal internal doors and level thresholds between inside and outside facilitate a user experience of a single large multi-use space that is unconstricted, uncluttered and weather permitting, is able to open up and connect and extend to the outdoors. Interior styling, furniture and finishes are an ‘African contemporary’ fusion of colour and texture that complement the architectural spaces and synergise with a contemporary beach aesthetic. A generous external covered veranda area with large linear cantilever pool, open patio and manicured lawn area encourages the inhabitants to indulge in and celebrate an outdoor lifestyle of entertainment, play and relaxation. The combination of solid slabs and framed timber pergolas overhead provide a variety of experience and graded exposure to the sun from full shade to filtered light to open air. Glass balustrades are used throughout for fall protection, enhancing transparency and minimising the impact on the ocean views. The utility spaces for the house are located at basement level, which include a bio-reactor sewerage treatment plant (producing irrigation quality water), together with underground rainwater harvesting tanks. The house also makes use of residential battery-based inverter technologies to supplement its demand on the local electricity supply. In Salt Rock House, the architecture brings the great South African coastal outdoors in. In turn, the house encourages the inhabitants to venture out. Extensive cantilevers provide shelter and a sense of lightness and floating of the upper building mass on the open plan lower level. The extensive use of glass

breaks down the traditional visual barriers between inside and out as well as providing reflections of the coastal landscape that is its context. The palette of natural materials, including grey and white colour tones, timber screens, decking and stone cladding, juxtapose with the bold and progressive architectural form making, creating a sea side home that is not only visually and spatially exciting, but also comfortable and intimate. n

PROJECT DETAILS Architects: Metropole Architects W E Design Architect: Nigel Tarboton Project Architect: David Louis Project Technician: Simon Wayne Area: 530 m² (5700ft²) Year Completed: 2016 Grant Pitcher Photographs: W Structural Young and Satharia Consulting Engineers: Structural Engineers W Design Engineer: Rob Young Project Engineer: Riaz Suleman Interior Designers: Olàlà Interiors W Landscape Design & Implementation: Image Landscape Design W www.imagelandscape Main Contractor: Schoeman Projects Principal & Project Manager: Matt Schoeman

Metropole Architects T +27 (0)31 303 7858 E W Suite 2A, 33 Churchill Road, Durban


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Project Feature: One On Whiteley

The Amdec Group has commenced construction on the latest phase of the iconic Melrose Arch mixed-use precinct with the striking One on Whiteley. The development of One on Whiteley is already well underway, confirms Nicholas Stopforth, MD of Amdec Property Development. ‘We are delighted to be building the next phase of Melrose Arch. We have appointed Group 5 as the main contractor and construction has begun on One on Whiteley’s basement, retail, hotel and residential components,’ he says. Building is forging ahead for the two Marriottbranded properties in South Africa – the signature brand Johannesburg Marriott Hotel Melrose Arch and the Marriott Executive Apartments Johannesburg Melrose Arch. Amdec has also released its final phase of exclusive residential apartments for sale. The first phases of One on Whiteley apartments are already sold out

amid high levels of interest from investors. Enjoying continued strong demand, with the release of the final phase of apartments for sale, this means that 70% of its total 241 new residential apartments are now sold. Melrose Arch is a privately owned, maintained and operated precinct with its own excellent infrastructure. Located in the heart of Johannesburg’s leafy green northern suburbs, it is a complete lifestyle experience in an immaculate city with an unlimited choice for everyday needs. Its New Urbanist design is pedestrianfriendly and environment-friendly. The development of One on Whiteley distinguishes Melrose Arch even further and adds to its unique collection of international boutique lifestyle brands, especially the variety of its hotel, hospitality, restaurant and entertainment. n

Tersia Taljaard C +27 (0)63 695 7571 T +27 (0)10 020 4800


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Project Feature: Mjejane Private Game Reserve

A place of rest When a client approached Johannesburg-based Architects Of Justice (AOJ) and commissioned an avant-garde retreat he could disappear to, a journey began which would culminate in a commendation for the project in the Mpumalanga Institute for Architecture (MPIA) Awards for Architecture 2017. The site for the project, situated within the Mjejane Private Game Reserve – a private Big 5 game reserve incorporated into the Kruger National Park – opens onto a view of the Crocodile River on the north boundary with a green belt on its eastern edge. The retreat was designed to maximise the connection to nature and wild game, while ensuring privacy between the five en-suite bedrooms as well as from neighbouring lodges. The rigorous estate guidelines motivated the architects to design around the existing flora on the site, which led to a freeform design that required only three trees to be replanted. It was one of Architects Of Justice’s early projects, the SEED Library, a shipping container structure for the MC Weiler Primary School in Alexandra, Johannesburg,


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Project team Architects: Architects Of Justice Project Manager: Condor & Co Project Management Structural Engineers: Professional Consultants Corporation Contractor: Ingwe Construction Steelwork Contractor: Quality Steel Structural Steel Detailer: Orbit Steel/Quality Steel Cladding Supplier: Chromadek Energy Consultants: Structatherm Projects Quantity Surveyor: Build Aid

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Project Feature: Mjejane Private Game Reserve

completed in 2010, which led to the practice being approached by the client for the Mjejane project. The library had caught the attention of the architectural fraternity, winning several awards, including an SAIA Award of Merit, the Afrisam SAIA Award for Sustainable Architecture and an international award for architects under the age of 35, the YAA (Young Architects in Africa) Competition. While visiting his daughter in Hong Kong, the client was paging through an architectural magazine featuring the library when his son-in-law commented that he went to university with the architects. After meeting with Architects Of Justice, where the client requested an unconventional and innovative retreat, project architect Granicki worked on a concept model for the client who immediately approved it. ‘It was a meeting of minds,’ says Granicki, explaining that the original model is satisfyingly close to how the completed project turned out. The home, which is beautiful from every angle, is incredibly site and context driven, fitting the client’s requirements to be able to connect with nature. Nature, however, did provide its own unique challenges; there could be no openings or entries into the roof void as it would provide the ideal habitat for a myriad of animals to take up residence within this space, and measures had to be taken to prevent warthogs residing underneath the suspended wooden deck on the north of the site.

Standout feature

The crowning jewel of the house is a floating steel roof that overhangs the house on every side with a minimum overhang of 1,6m. At its maximum, the

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roof overhang extends to an impressive 13m butterfly cantilever, creating a seemingly unsupported roof over a boma. The total roof area for the 450m² residence totalled at an impressive 900m² allowing inside spaces to blend effortlessly with the outside. ‘Initially the roof was to be concrete and planted,’ notes Granicki. ‘After the client eventually decided against the use of a green roof due to concerns about maintenance for what was to be primarily a low-maintenance holiday home, the concept was redeveloped with a steel roof that would be lighter and quicker to erect on site. With this construction methodology we still managed to obtain cantilevers all round on the roof and an open span lounge/ dining room of more than 100m2, with no columns to obscure the view over the pool and surrounding bushveld.’ The steel roof overhangs helped design a passively cooled home which mitigates heat gain by shading the exteriors throughout the day in an area of the country that often reaches 30°C in winter and well over 40°C in summer. Off-site fabrication allowed for a very clean assembly process on site and bolted connections meant that very little welding took place on site. The steel roof arrived in four parts, which was logistically possible as the manufacturer, Quality Steel, was located just over an hour away from the site. A fourphase Lego-set type erection also meant that there was no need to clear and disturb the natural bushveld for storage of building materials. Ingwe Construction was chosen to carry out the building work due to their proven track record of constructing large scale private bush lodges sensibly and sensitively in this part of South Africa.


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Project Feature: Mjejane Private Game Reserve

The interiors

In the interior the idea was to not obstruct the user from the surrounding nature, and as such, huge glass windows, doors and fin walls constantly connect and direct the user to the outside bush. The placement of the windows facilitates a constant flood of light on the hand polished concrete floors and simple plaster walls, while angled ceilings facilitate natural airflows and complement other sustainable features of the project, such as rainwater harvesting from the extensive roof structure. ‘As the client comes from a mining background, aesthetically the home reflects a “from the earth” narrative and an almost industrial approach and using crushed rock, gabion walls and steel I-beams was embraced,’ explains Granicki. He notes that while the home is a modern take on architecture, there is still an earthen quality to its finishes because of some of the techniques used by the local contractor. After a 12-month construction period, Architects Of Justice delivered a successful project, not only by understanding the environment and designing around it, but also by working closely with the client. The following comments from the client are testament to the work which they produce and their aim of client satisfaction. ‘Our dream of embracing the outside bushveld inside our home, has exceeded our expectations. The architects’ design allows for large openings that let the remarkable landscape be enjoyed from every part of the house. The ambitious overhangs and cantilevers, made possible by the steel roof, affords us the ability to live harmoniously with nature as the lines blur between inside and out. We are incredibly proud of our home which is a stunning piece of contemporary architecture.’


Receiving the recent commendation from MPIA is another feather in the cap for this young practice who are currently busy working on a host of office,

warehouse and high density residential projects. The MPIA judges’ comments on the project were extremely positive: ‘The design concept is brave, original and is befitting of the site and the brief. The judges loved the three-dimensional origami roof which floats as a sculptural object, seemingly emulating the typography of the surrounding landscape. The spatial qualities are sculpturally impressive and sensory experiences are manipulated through impressive angled ceiling spaces which guide the eye outward towards the surrounding landscape. The cantilevered covered patio roof is a structural feat. The massing and siting of the building is successful within the confines of its site, and achieves the key objectives masterfully. ‘In this private lodge at Mjejane Private Game Reserve, the architects have created a structure which rests elegantly in the surroundings. It is a home which, while being architecturally innovative, doesn’t distract from the location of the project and draws the user’s attention to the outside.’ Granicki concludes: ‘We are very grateful to have had the opportunity to work on such a unique project in such a stunning location.’ n

About Architects Of Justice The three partners in Architects Of Justice, Mike Rassmann, Kuba Granicki and Alessio Lacovig, formally established their practice in 2009 after working in various other architectural practices. ‘Our main reason for starting our own business, was that we wanted to do architecture in a way that all the projects we touched would be unique and exciting,’ explains Rassmann. The three partners share the same goal of wanting to make a positive effect on the built environment by doing justice to their clients, their sites and architecture in all their projects.

Architects of Justice T +27 (0)11 9740 9584 E W F Tw I Pinterest


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Advertorial: SAFAL Steel

Architects will love this finish SAFAL Steel has launched a pre-painted coated steel roofing material, aimed to take the market by storm. Called COLORPLUS® Textured, the new product is available in five different colours, all with a textured finish, giving the roof a natural textured look which differs from the conventional flat finish. ‘Designers are responding in a very positive way and are delighted at the design opportunities presented by the launch of our new high-tech product offering,’ says Clint Africa, Technical Marketing Manager for SAFAL Steel. Under the skin, this product remains the tried and tested 55% aluminium-zinc coating technology made locally under international licence. SAFAL’s well-known brands, ZincAL® and COLORPLUS® are the only roofing materials in their class 100% made in South Africa. COLORPLUS was developed as a premium product to endure the harsh diversity of South African climate, ensuring the building will enjoy increased service life, enhanced thermal protection, added good looks, cost effective operation and eco-friendly credentials. The textured paint finish is applied onto a ZincAL® substrate for optimal durability. In addition to its aesthetic appeal, COLORPLUS® Textured offers many benefits: • The enhanced paint formulation retains colour integrity and reduces dust retention. • Lightweight profiled sheets allow for faster and more cost-effective installation than other commonly used alternatives.

• The inherent strength of the steel also reduces the impact of hail and high winds, further reducing maintenance costs over the service life of the roof.

Why steel and what makes it sustainable? A highly valued property of steel as a building material is that it may be recycled many times without losing its inherent properties. Generically, the steel recycling journey takes it from washing machines to cars, oil cans to ships, railway tracks or screw fixtures. This process saves precious raw materials and reduces energy consumption. Global recovery rates of pre-consumer and post-consumer steel average more than 83%, making it one of the most sustainable materials in the built environment. Significantly, recycled steel from building sites is seldom downcycled as it almost always re-emerges as a comparable order building material.

SAFAL Steel (Pty) Ltd T +27 (0)31 782 5500 E W

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Project Feature: House VZ

House VZ re-interprets beach house archetype Metropole Architects’ House VZ is a 490m² modern 4-bedroom home situated in Umdloti on KwaZulu-Natal’s North Coast of South Africa. The house is a contemporary architectural design set into coastal suburbia with a spectacular backdrop of uninterrupted beach and ocean views The initial premise for the design was to ‘re-interpret’ the beach house archetype by integrating materials of masonry, corrugated metal, fibre cement shiplap cladding and expressed structural steel elements onto a contemporary and dynamic shape. The house stands proud on its steep site and is a progressive cantilever form arranged over three levels, proclaiming its presence and challenging the typical coastal aesthetic of its surrounding context. The upper levels of the home hover gently as a light grey and white object, whilst the lower level is a dark sea grey ‘shadow’. A large mono-pitch roof with extensive overhangs tops off the composition, angled to match the natural fall of the land and to inspire a ‘sense of flight’, for soaring visual effect. Designed to complement the coastal surrounds, the middle level (living, dining and entertainment area with pool) is dedicated to open-plan living that


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is unconstructed and uncluttered, maximising the entertainment zones and views, and the benefit of refreshing ocean breezes that is able to open up and connect and extend to the outdoors. At the upper level, both the master suite and secondary bedrooms are more intimate spaces for rest and relaxation, all with en-suite dressing rooms and bathrooms. Here the principal design intent is to provide comfortable spaces with access to the expansive sea views to the east. Private balconies off the master suite and secondary bedrooms allow one to venture outside and engage with the sun, sea and breeze. The relatively solid and planar western façade provides effective privacy for the inhabitants, at the same time acting as an efficient barrier to bad weather and prevailing strong winds coming from the south west. Horizontal fibre cement shiplap cladding is used as a subtle twist on the typical traditional shiplap planking of a beach cottage, but also provides texture and detail to what would otherwise be a large expanse of blank wall.

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Project Feature: House VZ

Minimalist horizontal cabled balustrades are used throughout for fall protection, enhancing transparency and minimising the impact on the ocean views. Interior styling, furniture and finishes draw on a palette influenced by the tones and textures of sand, sea and sky, to create a light, relaxing and airy atmosphere that complements the architectural spaces and encourages ‘laid back luxury’ that

synergises with a contemporary beach aesthetic. In House VZ, the architecture brings the great South African coastal outdoors in and in turn encourages the inhabitants to venture out into it. The palette of materials, colour tones and architectural components juxtapose with the bold and progressive architectural form making, creating a sea side home that is not only visually and spatially exciting, but also comfortable and intimate. n

Metropole Architects T +27 (0)31 303 7858 E W Suite 2A, 33 Churchill Road, Durban

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Project Feature: Geotechnical engineering, Bakoven Project

Specialist geotechnical engineering for 12m-high retaining wall system Limited space and precipitous slopes called for some specialist geotechnical engineering in the construction of some of the concrete block wall structures in Bakoven on Cape Town’s Atlantic seaboard. The walls were built to retain a steep granite embankment which was cut to create a building platform for the construction of Infinity, a luxury sixstorey apartment block offering spectacular views of the Atlantic and the Twelve Apostles mountain range. Apart from the sea-facing front elevation, the remainder of the building is enveloped in a cocoonlike concrete block wall structure of varying heights and angles. The walls were designed by structural engineer, Fred Laker, with geotechnical engineering input on the three walls at the rear of the property from Kantey & Templer Consulting Engineers for the principle retaining components. All the walls were built by Dassenberg Retaining using L12 retaining wall blocks supplied by CMA member, Terraforce.


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Exposed materials in the cut face are deeply weathered granites Geotechnical site inspections and a detailed slope stability analysis conducted by Kantey & Templer revealed that the bulk of the materials exposed in the cut face took the form of deeply weathered granites. It was determined that if left unsupported, parts of the embankment could be prone to instability during periods of high rainfall. Following an assessment of various support options, Kantey & Templer recommended that two of the three main rear concrete block walls be provided with 300kN tie-back anchorages and concrete waler beams. Geofabric reinforcement was not an option in this instance due to the space between the retaining wall

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Project Feature: Geotechnical engineering, Bakoven Project

An inspection housing of the upper tie-back anchorage on the upper waler beam at the Infinity site.

Terraced concrete block retaining walls at the Infinity site, built with Terraforce L12 blocks.

block facing and the embankment face being only 300mm. Steel reinforced, the waler beams measured 350mm thick and about 1 000mm high. They were constructed on the upper and lower wall sections and spanned the full width of the embankment face. Further reinforcement was achieved by filling the blockwork in the lower half of each of the three main concrete block walls with steel reinforced concrete. Free-draining sand was used to fill the space between the blocks and the embankment. The total combined height of the backyard walls is 12.4m. The lower wall is the highest at 5.6m. The middle wall tops 3.7m and the upper wall 3.1m. Each wall was built at an angle of 75˚. There are two narrow terraces between the lower and middle walls and the middle and upper walls.

Sophisticated sub-surface drainage system

One of the fire-escape staircases at Infinity built with Terraforce 4x4 Step blocks.

trapezoidal concrete channel which drains away from the wall into the stormwater drainage system. Perforated 100mm pipes were installed at the bottom of the fill material behind each wall. These drain into core drain pipes (gulleys) which in turn drain into stormwater pipes. The stormwater pipes run under the building and drain into a salt trap which then flows into municipal drainage. Fire escape staircases on each side of the property were built as part of the retaining wall structures using Terraforce’s 4x4 Step blocks. • I nstalled by Dassenberg Retaining Systems. Terraforce blocks supplied by Klapmuts Concrete for the Western Cape. For more information on the Terraforce retaining wall system, email or call 0214641907 n

A sophisticated sub-surface drainage system was built into the design to handle the percolation of water from the slope and to prevent the build-up of pore pressure. In addition, rain water flowing off the mountain slope is captured in a stone-filled

Terraforce T +27 (0)21 464 1907 E

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Project Feature: Sasol Place

Paragon Group wins big at SAPOA Awards 2017 The Paragon Group has confirmed its place as one of the premier architecture and design firms in South Africa, with Paragon Architects and Paragon Interface clinching four major awards at the South African Property Owners’ Association (SAPOA) awards held during its annual convention in Cape Town on 21 and 22 June. The Johannesburg-based Group won the Office Developments: Corporate Award for the iconic Sasol Place in Sandton, Interiors (Sasol Place), Innovation Developments (GE Africa Innovation Centre), and the prestigious Overall Winner (Sasol Place). ‘The SAPOA Awards 2017 proved to be very successful for Paragon. We entered seven projects and walked away with four awards. We are delighted and appreciate the very hard work put in by our staff,” says Director Anthony Orelowitz. The projects illustrate how sustainability and innovation go hand in hand, according to Green


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Building Council of South Africa (GBCSA) CEO Dorah Modise. ‘These Green Star certified, award-winning projects are shining examples of the best that ‘green’ building has to offer. They are world-class examples in a South African setting,’ says Modise. The success of Sasol Place has cemented Paragon Architects’ ongoing and prominent success in the Sandton area, including such flagship developments as the Norton Rose Fulbright offices in Alice Lane and Alice Lane 3 for Bowman Gilfillan. Sasol Place, the new 11-storey, 67 000m2 head

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Project Feature: Sasol Place

office for the South African petrochemical giant, was developed by Alchemy Properties and the Sasol Pension Fund for Sasol. The main contractor was Aveng Grinaker-LTA, while the project manager was Capex Projects. The new head office reduces Sasol’s office footprint by as much as 40% by consolidating 17 Sasol offices across Johannesburg in a single building. While accommodating 2 500 employees at present, in addition to 300 auxiliary staff, the ‘future-proof’ design means the head office is flexible enough for future expansion up to 7 000 staff members. The 47m-high building comprises seven parking levels, a ground floor and 10 office floors. Prominent design features include a restaurant, coffee shop, wellness centre, convenience store, fitness centre

and even a dedicated gallery and sculpture garden to showcase Sasol’s continued support of contemporary South African artists. The super-modern head office incorporates a range of sustainable practices, from water recycling to LED lighting and has been awarded a 5 Star Green Star Design V1 rating from the GBCSA. ‘As Built’ certification will take a year longer. There are even indigenous biomes for local wildlife, insects and birds within the grounds and on the rooftop. The GE Innovation Centre in Houghton Estate, Johannesburg is both Green Star and LEED-certified, and is one of 12 worldwide, built to house permanent staff, as well as training and research facilities. The interior design features furniture from African designers. n

Paragon Group T +27 (0)11 482 3781 E

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Choose the correct preservatives treated timber for your end application (H classes)

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Advertorial: South African Wood Preserves Association

Understanding wood preservation Bruce Breedt, executive director of the South African Wood Preservers Association, discusses the basics of wood preservation. There are two types of wood preservation, primary (industrial) and secondary (DIY). Primary wood preservation involves a process where wood is impregnated with an industrial chemical wood preservative (biocide) to increase its durability and resistance to biological attack (fungi, wood borers and termites). High-pressure processes, involving waterborne chemicals and Creosote are predominantly used. Other approved methods of primary wood preservation are hot and cold open tank, using Creosote, diffusion, using Borates and low-pressure or double-vacuum processes using light organic solvent preservatives (LOSP), such as TBTN-P or Azole Permethrin. Visit for an animation of the pressure process used. Primary wood preservation is a pre-treatment were the timber is impregnated with a wood preservative prior to end-use application, and therefore acts as a preventative measure. It is not supplemental or remedial (after the fact). Chemical retention, penetration and processes used are prescribed in SANS standards and mandatory compliance is regulated through regulations and compulsory specifications. Third party product certification is thus required. Secondary wood preservation includes supplemental or remedial preservatives that contain biocides as active ingredients, which can also be included in protective wood finishes that has wood sealers as the carrier. Supplemental or remedial preservatives are mainly applied by hand, for example, by brush, painted or sprayed on in a DIY setting, and are mainly corrective to stop further attack. It can also be preventative by treating exposed ends of pre-treated timber that has been

modified or cut. Bandages, pastes and rods (sticks) with diffusible borate as the active ingredient also fall under the remedial preservatives. Supplemental or remedial preservatives normally require an on-going maintenance programme to remain effective. Protective wood finishes come in the form of sealers and varnishes, contain no biocides and are also applied by brush, paint, and spray in a DIY setting. These types of wood finishes protect against weathering factors, such as water ingress, temperature changes and UV rays, but not against fungal and insect attack.

Why preserve timber?

The natural durability of our commercially grown and used plantation species like Pinus and Eucalyptus is low, rendering it susceptible to insect and fungal attack; therefore it is imperative to preserve the timber. Timber preservation also enhances durability and confidence in using timber and extends the life of timber, as well as providing the added benefit of increasing the carbon sink. Preservation of timber and the use of preservative treated timber are regulated by building regulations, such as regulation A13, as well as in the NHBRC manual, which specifies the use of preservativetreated timber when used in permanent structures in specific areas of South Africa. Compulsory specifications for timber preservations can be found in the VC 9092 (NRCS) specification which regulates the sale of preservative treated timber. Both these regulations refer to SANS10005, The preservative treatment of timber, which in turn refers to the relevant product standards are mentioned below.

Hazard Class

Application and risk

Preservative Type

Retention kg/m3


Dry indoors, above ground – Low

CCA Creosote

6 80


Outside above ground – Moderate

CCA Creosote

8 80


In ground contact – High

CCA Creosote

12 100


Fresh water & heavy wet soil – High

CCA Creosote

16 130


Marine (sea) water

CCA & Creosote

24 + 200

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Advertorial: South African Wood Preserves Association






H2 – Dry interior above ground

• C lass W – CCA, CuAz, ACQ and Boron • Class O – TBTN-P and ZP

Roof trusses and frame wall construction, interior doors and joinery

Insect attack

Low Risk

H3 – Exterior above ground

• Class W – CCA, CuAz & ACQ • Class C – Creosote & Coal tar

Decking, cladding, outdoor furniture, and exposed structural, fencing and landscaping timber products not in direct ground contact

Fungal attack and insects

Moderate risk

H4 – Exterior in-ground

• CCA, CuAz & ACQ • Creosote & Coal tar

Normal in ground timber/poles used structures, fencing, landscaping and garden features, etc

Fungal decay and insect attack

High Risk

H5 – Fresh water & heavy wet soil contact

CA, •C CuAz & ACQ • Creosote and Coal tar

Used in contact with fresh water and heavy wet soils, e.g. structures in fresh water, such as jetties, walkways, piling, etc

Fungal decay and insect attack

High Risk

Dual treatment of firstly CCA and then Creosote

Used in direct contact with sea water, e.g. jetties, quays, marine walkways, retaining walls and barriers

Fungal decay and marine borers

High Risk

H6 – Marine


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Advertorial: South African Wood Preserves Association

Choosing the correctly treated timber

The following SANS standards apply to treated timber: • SANS 457 parts 1 and 2 – wooden poles, droppers and guardrail posts for building, fencing and agricultural purposes • SANS 753 and 754 – wooden poles for transmission and telephone lines • SANS 1288 – All other preservative treated timber, for example sawn structural and flooring These standards specify a Hazard Class system (H Classes), which categorises treated timber into different end-use applications based on the following: • Different exposure conditions • Potential risk of biological attack • Preservative retentions/chemical loading

Product use information

Be sure to choose the correct H class timber for your intended application and apply remedial preservative to all cross-cut and exposed areas (except when in contact with the ground, fresh water or marine applications). Apply a suitable brush, paint, or spray-on wood sealer when the natural look of the timber is desired. Do not plant poles inside an encapsulated concrete base. Instead, use a ‘collar’ or compacted stone and soil, with or without a solid (cured) concrete base.

How to plant a pole

The detail in this diagram assists proper drainage of any moisture that may be absorbed by a wooden pole. A structural engineer must be consulted for detailed structural requirements.

Safety precautions and warnings

When machining (sanding and sawing) CCA treated wood, be sure to wear a dust mask. It is also important to wear safety glasses to protect your eyes from flying particles. Work in a well-ventilated area to avoid prolonged inhalation of sawdust from CCA treated wood and wear gloves when working with freshly treated wood. Always wash work clothes separately. Do not make baby toys or furniture from CCA treated wood that may be chewed on by infants, or make any food utensils from CCA treated wood. Do not use CCA treated wood for firewood, to prepare any foods, and do not store food in direct contact with CCA treated wood containers. Do not make containers for storing drinking water from CCA treated wood. CCA treated wood should also not be used in beehives where it may come into contact with the honey, nor should treated wood shavings or sawdust be used for animal litter or where it can become a component of animal feed.


While treated timber waste is not regarded as hazardous waste material, treated wood off-cuts and waste should not be allowed to accumulate but should be disposed of at a registered disposal or landfill site. It is important not to burn treated wood off-cuts and waste or use it for firewood for food preparation as this will allow the release of chemicals, which are tightly bound to the wood, into the smoke. The ashes may also contain residual chemicals. The primary wood preservation industry currently boasts 116 certified treatment plants in South Africa, consisting predominantly of CCA treatment plants and Creosote plants. In 2013, the total estimated preservative treated timber volume treated in South Africa was 1 065 580m3.

For more information on wood preservation in South Africa, please contact SAWPA

South African Wood Preservers Association T +27 (0)11 974 1061 E W

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Project Feature: Tshwane House

Tshwane House, City of Tshwane The R2 billion state-of-the-art Tshwane House, new headquarters of the city administration, is one of the first government buildings to target a 5-Star Green Star SA certification within a public-private partnership.

The colossal H-shaped building provides working space for 1 590 city employees. Each wing is three storeys (ground plus two of office space), arranged around two atria on each wing. Council meetings are held in a new council chamber located in the middle of the building which has media and public galleries and translator boxes. Tshwane House is significant in that has it allowed for clear design reflections of the indigenous African culture, visible in the location of the offices of the Executive Mayor, City Manager and Speaker, as well as the Council Chamber. When sitting in session, the Speaker faces visitors entering the building from Madiba Street. Creating a workplace that reflected Batho Pele (‘People First’) principles was vital. These principles require public servants to be polite, open and transparent and deliver good service to the public. For this reason public servants need to be able to work at their full capacity.


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The original building design incorporated a basement parking structure with a citadel-type building on top, accessed through a single doorway – a solution that did not engage the street or the public at all. A cost-effective design was revised by dropping the building to street level and creating a more pedestrian-friendly environment. A park has been incorporated on the eastern side of the site, which can be opened for public functions. With community integration, Tshwane House manages to catalyse the rebirth of the whole city for its entire people. While recognising the cultural history of the city without being trite, the building anchors a new vision for the City of Tshwane. It also anchors a system that promotes quality of life benefits accessible in the places where the people of Tshwane live. Less time is spent in queues and less money on transport. The building itself is designed to provide a comfortable, healthy and productive working environment for its occupants, with an overall

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Project Feature: Tshwane House

environmental strategy encompassing transport, indoor environmental quality, energy, water and waste. Except for some staff located in a basement area, access to natural light for every workstation was broadly achieved as a principle. Seventy percent of Tshwane House’s usable areas today enjoy direct line of sight to the outdoors, while fresh air is provided at 12l/s per person. Tshwane House’s success lies in the fact that, as a sustainable model, it represents the best that could be achieved in state-of-the-art workplace planning, not just space planning. Significant green features of the building include: • a Variable Air Volume (VAV) air-cooled system connected to carbon dioxide monitors and optimum quantities of outside air through carbon dioxide monitoring • efficient lighting and occupancy sensors • the use of a Building Management System to sub-meter and control energy uses of 100kVA or greater and all major water uses • use of harvested and filtered rainwater to flush toilets and urinals with efficient water fittings (taps, shower heads, WCs) and greywater harvesting from showers for irrigation, and

• t he use of low or no VOC paints, adhesives, sealants and carpets. Ultimately, the building was designed to turn its back on a country’s troubled history and pave the way to a new beginning, marking South Africa’s new dawn. Despite resistance, Tshwane House has succeeded in creating a new chapter sustainably reflecting this new era as the country’s executive capital. n

Green Building Council T +27 (0)86 104 2272 (Cape Town) T +27 (0)11 339 1152 (Johannesburg) E

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Editorial: Saint Gobain Weber

Weber takes the hassle out of renovating The newest product from Saint-Gobain Weber is Renovate, a tile adhesive with a distinct set of benefits, one of which allows renovators to tile directly onto existing substrates without priming – a first for South Africa.

‘This exciting new development means that tiling upgrades can now be managed in ways that are simpler, cleaner and faster, providing peace of mind for home, shop or office renovators during what is generally a stressful process,’ says Saint-Gobain Weber’s product manager, Tiisetso Mokotjo. Thanks to its exceptional strength, the product allows tiling onto existing tiles and other substrates without primer, eliminating the need to chip out tiles, significantly reducing dust and mess, the bane of most renovations. Amplified by the fact that it sets in only six hours, Renovate saves significant time and money. It’s also waterproof and is available in both grey and white to match tiles. This combination of practical and aesthetic characteristics means an upside for homeowners or contractors doing tiling alterations from a convenience, time and cost saving perspective. ‘Performed traditionally, tiling renovations are incredibly disruptive but Renovate minimises downtime,’ says Mokotjo. ‘For example, a store owner

can now lay tiles immediately after closing shop and leave the product to dry overnight, in time to trade the following morning. The same principle can apply to office managers who need to maximise productivity in the work place, despite renovations. For homeowners, the project can also be timed to be more orderly and convenient, a necessity in busy households especially those with young children and pets.’ Not only does Renovate provide a more agreeable alternative to tiling upgrades on a comfort level, but by eliminating surface preparation products like latex bond liquid, primer and waterproofing, labour costs are also reduced, saving an estimated 55%. It also saves about 87% in time, thanks to the reduction of preparation work like breaking out tiles and priming surfaces, as well as decreasing the setting and curing process. ‘We’re delighted to be launching a product that will make such a significant difference to modern renovators and that can contribute towards alleviating pressures that can come with home alterations,’ says Mokotjo. n

Saint-Gobain Weber T 08600 WEBER (93237) Sales W


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Editorial: Fire

Resilience in the face of fire Photos by Neville Walsh, Adam Rodger and Gareth Griffiths The infamous Garden Route fires of mid-2017 may be fading in our memory, but surely disaster planners are still studying the tragic events. For many residents who sustained massive losses, questions will remain as to ‘how did this happen and how can we stop it next time? A parallel exists in informal settlements near our major cities involving runaway shack fires. Indeed, what have we learned about our built environment and its resilience in the case of runaway fire and what can be done to boost a structure’s resilience to these devastating events?

The Knysna fires that burned in bush, informal and informal settlements mid-2017 led to the largest deployment of firefighting resources and personnel in a single incident in South Africa’s history at great cost. According to a Cape Town-based fire engineer, Keith Fletcher, the destruction of private property by an external fire source seems to be a common story relating to our mountain and bush suburbs, as well as informal settlements.

The why

Documented information is available from at least two different fire reports after the Garden Route wild fires. Both reports in question, by the Knysna

Fire Department and an independent investigation conducted by forensic scientist, Dr David Klatzow point to the fires as a natural event, as opposed to arson. They draw the attention of the reader to the consequences of climate change – that the fires occurred at the end of a hot and extremely dry summer season, that the vegetation was very dry and required little to ignite it. Hence, both reports blamed the fires ‘on the prolonged drought’. Another tragedy of life in South Africa, the incidence of township fires, present yet another example of a built environment, albeit it an informal one, being consumed by wild fires. However, the causes of these are different.

Fire burns close to homes during the devastating January 2015 Cape Peninsula fires


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Editorial: Fire

Knysna fire – burned out house off the Rheenendal Road

Can property damage be mitigated?

Can building planning and layout mitigate the fire risk to houses while the surrounding bush is ablaze? SA Building Review canvassed professionals about how new properties can be organised to minimise fire risk and how the average home owner could retrofit measures that would protect their properties. The SANS 10400 Part T regulations form the bedrock of most building designs from a fire perspective. There are parallels between the control of internal fires inside large buildings, which the regulations largely cover, and the spread of fires in residential housing. The South African National Standards Authority (SANS) classifies a residential home as H4 occupancy classification, having a population density based on two persons per bedroom. The H4 occupancy is perhaps the least regulated. Apartment blocks are, however, more onerous. The regulations spelt out in SANS10400-T, list five general requirements related to fire protection which, loosely broken, down calls for: • the protection of occupants (i.e. life safety) followed by, • the safety of the building, containing its spread and providing adequate means of first aid firefighting equipment. As regards to the latter, one part of the Deemed to Satisfy ruling specifies the safety distance requirement between a building and its site boundary, or between buildings on the same erf. Another defines the structural stability of the building for the different occupancy classifications and others cover provisions for safe evacuation. All of the above are fairly ‘relaxed’ for houses. For example, the minimum fire resistance specified for a house is 30 minutes. The average South African house has brick external walls which mean it has a fire resistance of longer than 30 minutes. However, the

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weak points in stopping an external fire from entering the house are the windows, especially if open, as well as the roof where the eaves timbers are exposed.


It is universally agreed that thatch roof buildings pose the greatest problem. The shooting embers from a fire can easily ignite the thatch. If the property is occupied at the time of the fire, it has been suggested that the occupant watch out for the flying embers and extinguish them before they land using a garden hose. ‘It cannot be over-emphasised that a person’s life is more important than trying to save the house – so don’t be a hero,’ says Fletcher.

Timber considerations

The Institute of Timber Construction in South Africa advises that timber structures need not pose a greater fire risk than other construction materials. Timber homes and roofs must be manufactured and erected according to the National Building Regulations and SANS 10400 and SANS 10082, which cover the application of the National Building Regulations and timber frame building respectively. Fire safety with respect to timber frame building and timber roof trusses is provided for under these.

Are there retrofits available to bolster the fire resilience of buildings?

Adam Rodger is Managing Director of Firewerx (Pty) Ltd, a company that specialises in passive fire protection within buildings (see . ‘Passive fire stopping refers to the compartmentalization of a building in terms of fire legislation to stop a fire from travelling throughout a building for a required amount of time. Passive fire protection aims to enable safe exit from a building for


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Editorial: Fire

the inhabitants. Unfortunately, legislation for passive fire protection within homes is still fairly lax in SA,’ he explains. At the top of the list, according to Rodger, is the implementation of a fire break. Forming a fire break between buildings is essential for slowing down the passage of fire. Homes or other dwellings, such as wendy houses or sheds, should not be built immediately next to each other Building features that can be retrofitted include: • Fire walls: There are building materials other than brick and mortar than can provide an effective fire barrier. Firewerx’s Calcium Silicate board is a structural, non-combustible fibre cement sheet that can replace galvanised steel, timber or plastic in the building of low-cost homes. Fire doors: The greatest risk of fire in a home • generally comes from the garage. An effective fire door between garage and home is legislated. Ensure these doors are kept closed. Roof void mitigation: As can be seen from the • recent fire at Stellenbosch University, fire travels from room to room via the ceiling void above. Rodger says his company offers various means of ceiling void closure, including fire curtain and Calcium Silicate board. These simply split the roof into separate compartments, each with its own fire resistance capabilities. • Vermiculite as an intumescent paint: ‘Our involvement in stopping fire was featured in an article about the 2017 Imizamo Yethu fires in Hout Bay. Some weeks prior to these fires my company had sponsored the painting of 67 houses in the township, using intumescent coating, as an upliftment project for the local community and to bring fire safety consciousness to the fore. The fire

raged out of control until it hit the protected houses, where the fire actually stopped and was controlled. The buildings were still standing after the fire,’ says Rodger. Should home firefighting equipment such as fire extinguishers become mandatory? Experts seem to agree that this would be a positive step.

Land management and fire-scaping – stop it before it starts

In the opinion of long time Garden Route resident and timberman, Charles Whitcher, ‘A big part of negating the risk posed by wildfires is fuel load management. I have found that there is over reliance on fire suppression services and not enough emphasis on preparation, meaning fire breaks, heat breaks, and fire-scaping. We are situated in a fire driven biome and therefore precautions should be taken. In certain weather conditions, such as we had in June, conventional suppression activities become virtually ineffective. In the case of the Knysna, Plett, and Tsitsikamma fires, it was a case of very dry conditions, extremely high and consistent wind speeds and poor fuel load management. This fuel load management was neglected by both government and private land/homeowners. Alien species are part of the problem, but what most people overlook is that government agencies responsible for managing our Fynbos areas are not conducting prescribed periodic burns anymore. A lot of the fynbos that went up in the recent fires were probably 20 -25yrs old. Fynbos should be burned not only for keeping fuel loads down, but also to preserve biodiversity.’

Knysna fire - fanned by gale force wind and within seconds jumps a forest road to engulf a private home


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Editorial: Fire

Shacks painted with intumescent paint survived the 2017 Imizamo Yethu fire - Hout Bay

Indeed, Whitcher should know. His family business, AC Whitcher not only operates sawmills but manages 1200 ha of forestry plantations across six farms. Due to the widespread nature of the plantations, their necessary focus is on fuel load management. This means weeding and cleaning of compartments in fire-prone areas as often as twice a year, and extra wide, strategic firebreaks up to 200 meters wide (source: SA Forestry – August 2017). ‘Fire-scaping is probably the most realistic way that individual homeowners can reduce fire risk to their properties,’ he concludes. For further information, see n The writer thanks all contributors mentioned in the article for their time and effort in presenting a case for fire protection.

Estimated losses incurred in Knysna fire, 2017 • • • • • • • • •

Damage to health infrastructure: R1.3m Agriculture: R40m Human settlement: R61m Water: R91m Environmental damage: R134m Transport and public works: R8m Social development: R25m Homes destroyed: 1 000 Fatalities: 7 people

Source: News24 – 14 Aug 2017

Tragic aftermath of the Knysna fire

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Editorial: HVAC, Elemental Energy, The Village Project

Ensuring economical hot water for eight 4-storey apartments When Elemental Energy tendered for the supply of an energy-efficient water heating system for The Village, a new multi-storey development in Centurion, their recommendation was Alliance Direct Heating Heat Pumps.

Each 80kW Alliance Heat Pump is connected not only to a tank but also a recirculating ring main system

‘We’ve used Alliance Heat Pumps for about five years now,’ remarks Bruce Thomas, MD of Elemental Energy. ‘We’ve always liked their product quality, along with the excellent back-up service provided by Fourways Airconditioning.’ A 4500-litre tank mounted on the roof of each of the eight blocks was used, with a ring main system to ensure virtually instant hot water to each of the 32 or 40 units in the apartment blocks.

‘Direct heating’ ensures consistently high outlet temperature

Says Jason Finlay, Fourways’ technical executive: ‘Key to the installation was the fact that Alliance Commercial Heat Pumps are “direct heating”, ensuring that water temperature at the outlet of each heat pump remains consistently high – 50°C to 60°C

depending on the setting – no matter how heavy the water draw-off. An 80kW Alliance Commercial heat pump was connected to each insulated 4500-litre tank, with a separate pump taking care of the recirculating ring main system. To solve the challenge of calculating how much electricity is being used by each apartment for its water heating, a separate smart meter was installed on each unit. However, with the Alliance 80kW model having a COP range from about 2.5 in winter up to 4 in summer, tenants enjoy hot water for approximately one-third of the energy cost of water if it was supplied by an electric-element geyser. ‘Our client at The Village has been very happy with the installation, and our company in turn has always appreciated the fast delivery of Alliance stock from Fourways Airconditioning, plus their after-sales technical and parts support,’ adds Thomas.




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Editorial: Premium Steel Roofing

Front gate - Sitari

Sitari – Country estate with eco-flair Increasingly the developers of modern, sustainable housing estates have been looking at the longevity and performance of construction materials used on site. Sitari Country is presented as ‘the art of country living’. According to the developers, UVEST, ‘olive groves, orchards, water features and landscaped gardens are subtly intertwined with a security system unparalleled in SA’. It offers 3 150 units consisting of residential luxury and premium apartments, village homes and country homes. It also includes a private school and shopping centre – a large built environment by any standard. However, the clever inclusion of green spaces, cycling paths and walkways inside the habitat makes a bold eco-statement. Upmost in the mind of the designers was the impact of the development on nature and inhabitants. From the top, the steel roofs that cover most of the buildings are built to last. Well-known premium steel roofing material, Clean COLORBOND® Ultra Matt in grade AZ200 coating mass was specified by the project team and formed into very popular and ‘much-loved’ concealedfix Diamondek profile by Youngman Roofing. ‘With excellent clipping performance, marketleading drainage capability and unique aesthetic appearance, this product gives outstanding performance especially when manufactured in Blue Scope Steel’s Clean COLORBOND® Ultra Matt range,’ says Stef du Toit, Marketing Manager for Youngman Roofing. At Sitari, a total of three colours have been specified from which home buyers may choose. These include Clean COLORBOND® Ultra Matt in Alley Matt, Iron Matt and Granite Matt, of which the latter colour has been the most popular. However, another unique attribute of this product also makes it uber-important for housing developments of this pedigree. According to BlueScope’s Regional Manager for Africa, Arno Hanekom, manufacturers of Clean COLORBOND®: ‘We conducted extensive testing and benchmarking before recommending Clean COLORBOND® Ultra Matt to the developer, UVEST. Modern pre-painted steel roofing can have a high degree of gloss caused by the specular reflection of the sun’s rays off its surface. In an eco-sensitive environment this often causes a problematic glare which is also disturbing to residents. Our Matt offers a high-tech and elegant solution to this problem, while ensuring that the


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same amount of inbound infrared is reflected off the roof and keeping the building as cool inside as with our standard range. Tests done on site prove this. Longevity is another important consideration. As an AZ200 material, we confidently recommend our product to within 100m of the breaking surf on the beach.’ In addition to Sitari, the company has also been involved at other housing estates where similar material has been specified. These include Val de Vie, Paarl; Clara Anna Fontein and Chapman’s Bay, Noordhoek. ‘Pay the slight premium for the best available material grade and finish, manufactured in the best profile. In the long run, you will reap the benefits with roof sheeting that performs optimally for longer and retains its high-quality finish for longer duration’, suggests du Toit. n

PROJECT TEAM Developer: UVEST Property Group Associate Developers: Trinity Projects, Power Developments, Manor Homes, Siyahamba Sonke Architects: BPAS Architecture Roofing: Youngman Roofing Roofing steel supplier: BlueScope Steel Southern Africa (Pty) Ltd Roofing profile: Diamondek Roofing material: Clean COLORBOND® Ultra Matt – AZ200 Colours: Alley Matt, Iron Matt and Granite Matt Photos: Gareth Griffiths Imaging

BlueScope Steel Southern Africa (Pty) Ltd T +27 (0)21 442 5420 E W

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Project Feature: Streetlight Schools

Streetlight Schools: Jeppe Park Primary, Johannesburg CBD Streetlight Schools’ Jeppe Park Primary is the first school in Africa to receive a Green Star rating, having achieved a 4 Star Green Star SA Interiors v1 certification. The first of several schools in the Streetlight Schools stable to be Green Star certified, Jeppe Park Primary boasts several green building and sustainability focused measures. Streetlight Schools focus on high quality, low cost education that puts the well-being of the students first. The naturally ventilated building with many windows


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provides the students with access to healthy indoor spaces. Clever use of locally sourced materials provides acoustically designed spaces, such as classrooms, libraries, play and social-areas, suited to educational purposes. School ground greening allows for various outdoor activities as well as the inclusion of nature as an integral part of learning and development. The use

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Project Feature: Streetlight Schools

of low emission printers and photocopy equipment and low VOC compounds, adhesives, sealants and carpets, reduce internal air pollutant levels. The primary school is built in an old shoe factory in inner city Johannesburg – embracing the concept of upcycling – while mostly repurposed and locally sourced materials and furniture have been used. An environmental management plan was implemented for all construction phases and a waste management plan successfully reduced construction waste by 30%. The school is within walking distance of Metrorail and Rea-Vaya, two taxi ranks and bus stops, providing alternative methods for scholars, staff and visitors to commute to and from the school and encouraging exercise. An Occupancy and Wellness Users’ Guide has been developed to enlighten occupants about transport facilities, local amenities available in the area, how to use building services to the optimum potential, as well as all aspects regarding staff and student wellness.

Bringing healthy green spaces and green thinking to disadvantaged scholars

Dorah Modise, CEO of the GBCSA says that the organisation is particularly excited about this certification. ‘Not only does this school bring healthy green spaces and green thinking to disadvantaged scholars, it is also starting the very necessary process of greening the education sector. Beyond how the school was constructed, it’s also operated in an energy, water and waste efficient manner which

will go a long way towards helping these children understand that resources are finite and come at a price,’ she says. ‘The school has gone to great lengths to reduce their waste generation by developing and implementing an Operational Waste Management Plan and providing separation bins, food waste recycling, ‘Bokashi’ composting and recycling waste storage areas. Education of students in all areas of development and sustainability is evident when you visit the children at the school,’ Modise adds. Melanie Smuts, Streetlight Schools’ founder and CEO, says: ‘When the Fieldworks team and I initially designed the school, our major considerations were cost and how to create a child-friendly space in an industrial area. But it has been amazing to see how many of those same principles also lead to designing an education space that is sustainable and environmentally friendly. And our students love it.’ Solid Green Consulting, the Green Star and sustainability consultants on this project, are particularly noteworthy for the innovative yet budgetfriendly approach they took. Architects, Fieldworks Design Group, are also to be commended for their resourceful approach towards creating a low-cost, green design for an education facility. ‘It is encouraging to see schools starting to bring environmental and sustainability measures and initiatives to the forefront of their organisation. Going forward, we look forward to seeing more green transformation in the education sector in South Africa,’ says Modise. n

Green Building Council T +27 (0)86 104 2272 (Cape Town) T +27 (0)11 339 1152 (Johannesburg) E

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Advertorial: Hansgrohe South Africa

A shower experience like no other! Hansgrohe South Africa, a subsidiary of Hansgrohe SE, is a leading innovator in technology and design. Since 1901, Hansgrohe has offered high quality, innovative and award-winning design products to make the bathroom and kitchen more functional, comfortable and beautiful. With a 15-year warranty and a full team of technicians, Hansgrohe South Africa adds genuine value to our customers.

We also add value to the market by offering water saving and environmentally sustainable products. hansgrohe water-saving taps and showers use up to 60% less water than conventional products without compromising comfort. As a champion of the value of water, Hansgrohe assumes a pioneering role in dealing with ways to conserve water in South Africa, especially in the light of the ensuing water crises gripping the nations. Hansgrohe is not only serious about saving water, but also about consumer experience, ease of functionality and quality. The importance of this can be experienced in the innovative technologies used in the various premium mixers and showers we supply. The EcoSmart innovation is based on limiting litres per minute through sophisticated flow limiters, special jets and the mixture of air, without compromising the premium experience. From the Raindance EcoSmart’s 9.5 litres per minute, to the Crometta 85 Green overhead and hand showers using only 6 litres per minute, you are easily able to find the water-saving shower head that suits your preference. The flexible precision O-ring adjusts water quantity to ensure that the set litres per minute are reached despite the water pressure, making the shopping experience for a shower head a lot less painful. Like the EcoSmart showers, a flexible precision elastomer limits the flow of basin mixers by automatically adjusting the size of its opening. An aerator is also integrated into the spout of the basin mixers which enriches the water with air for a bubbling jet of water, making flow and water saving possible. Compared to conventional basin mixers using

approximately 13 litres of water per minute, hansgrohe EcoSmart technology reduces it to approximately 5 litres per minute. The premium hansgrohe experience not only involves water saving, but also ease of functionality and comfort using the Select Button. You can now change jet types, switch between overhead and hand shower, as well as turning the water on and off with the touch of a button - simplicity and convenience to make your day a lot easier. The mechanical functionality integrated into mixers and showers fits perfectly into the modern bathroom and kitchen design. Another innovation that improves convenience is the ComfortZone, giving you more freedom of movement between spout and basin. The various heights (ComfortZone) of the basin mixers allow you to choose the basin mixer that suits your taste, bathroom design and needs. Complementing the modern bathroom design even further, is the XXL Performance shower heads with their clear-cut designs and space-creating characteristics. The large spray discs offer a lavish, convenient showering experience, keeping you in the shower longer than planned. Enjoyment and water saving does not have to be mutually exclusive; hansgrohe’s AirPower mixes water with air to make droplets plumper, lighter and softer, reducing the water required without compromising the experience. All these innovative technologies enable us to enhance your life and give you increased comfort. hansgrohe. Meet the beauty of water. n

Hansgrohe South Africa T +27 (0)11 445 0000 E


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Project Feature: Du Noon Primary School

Du Noon Primary School The new Du Noon Primary School was built as part of the Department of Basic Education’s Accelerated School Infrastructure Development Initiative (ASIDI) Programme to replace inappropriate temporary school structures in settlements all over South Africa. The school was completed at a cost of approximately R57m in 2017 and accommodates 1 400 primary school learners. The buildings have been designed around a series of protected courtyards, some of which are covered, to provide protected play areas to the youngest learners. Externally, the design of the buildings responds to the corrugated sheeting and semi-industrial aesthetic of

the industrial area in which the project is located. Du Noon is a sprawling, very dense semi-informal township, where every square centimetre of land has been built on, adjacent to the Killarney Gardens industrial area, where most of the adult residents work.

Main school entrance

View from internal courtyard



View from internal courtyard block c

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Project Feature: Du Noon Primary School

North-west elevation - viewed from Siyabonga Street

Although mostly double storey, the general mass and composition of buildings has been fragmented to reduce the overall visual impact created by such a large school complex. The buildings, however, maintain some publicness within the low density urban fabric. The school uniform and insignia colours have been used throughout the project as focus colours to liven up the architectural composition. Vertically perforated screens protect the classrooms from the harsh eastern and western sun, while deep overhangs on the northern facades not only act as architectural articulation, but also protect the interiors from direct sunlight. The dark face brick panels and off-shutter concrete elements associated with the public areas of the school provide a tough, maintenance-free learning environment, while the bright colours and light filled interior spaces ensure a happy, comfortable, quality space where young children can be taught away from their daily existence in poverty. n

Natural light filtering into the stairwell School in context - View of front entrance gates and parking area

External walkway

Professional team Architect: Meyer & Associates Architects, Urban Designers Project Team: Tiaan Meyer, Pierre du Plessis, Wayne Hattingh Civil & Structural Engineers: IX Engineers Quantity Surveyor: Twoiiconsulting Electrical Engineers: Mapule Consulting Cape Contractor: Basil Read

Meyer & Associates Architects, Urban Designers T +27 (0)21 461 5514 F +27 (0)21 461 5869 E W



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Project Feature: Steel Award for MiTek’s Ultra-Span Roof Structure

SAISC Steel Award for Ultra-Span roof structure, GLA School Hall, Jeffreys Bay MiTek is extremely proud to congratulate Build It Jeffreys Bay for winning the Light Steel Frame Award at the SAISC Steel Awards 2017 for the Global Leadership Academy project. Build IT in Jeffreys Bay took on this job just months after opening their truss plant, showing their dedication and capacity as a truss plant by not shying away from jobs that are out of the norm. The involvement of the owner and his long history with MiTek gave him the advantage over his competitors, thus securing him the job. The Global Leadership Academy project showcases just how versatile Ultra-Span light gauge steel can be. The challenge on this particular job was the overall span, different levels of the roof, and specific placement of windows.

The initial plan

To have two 19m hot rolled steel girders to support the three types of trusses spanning traditionally perpendicular to the supports. The disadvantage of doing this was that hot rolled girders are not cost effective, especially over such a long clear span. The erection of these girders would have also been impractical, due to limited working space on site. An expensive crane would have been required to lift these heavy weight girders over a long reach.

MiTek’s plan

Span all trusses parallel to the traditional supports, essentially producing enlarged rafter/purlin type


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Juan Hay (left) from Build It Jeffreys Bay accepted the award on behalf of Tony Ward. Brian Basson (right) from MiTek Port Elizabeth (who designed the roof structure) was also present at the Johannesburg event, which took place at Emperors Palace.

trusses. Ultra-Span girders were created at the ends to support short span trusses to comply with the required minimum ceiling height. This idea was also adopted in the middle section of the roof to act as stability braces for the window panels.

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Project Feature: Steel Award for MiTek’s Ultra-Span Roof Structure

A very satisfied client

Window panels were made with MiTek’s wall framing product to allow for very specific window sizes and to provide flat surfaces for fixing these windows. The window panels were manufactured in several parts to ease installation. The window panels were fixed on top of Ultra-Span girders and stabilised by the incoming trusses. (see roof layout above) In typical large span Ultra-Span style, the 19m trusses were preassembled in braced pairs and then lifted into their final position on the roof, thereby ensuring fast erection of the roof structure skeleton and enabling other installation works to continue on a stable platform.

‘With the design and construction of the new school buildings for the Global Leadership Academy in Jeffreys Bay, we were confronted with the challenge of establishing a world class education facility on a shoe-string budget,’ says Stefan Kleyn of the Global Leadership Academy. ‘This required our architect, Jacobus Scott, to come up with innovative solutions. One of these problems was that we wanted a multi-use gathering area which required a ultra-long span roof design. There was just no other cost effective option but to make use of the MiTek Ultra-Span system. Brian and the rest of the MiTek team designed and installed a cost effective solution that not only looks impressive, but also effectively solved many design and engineering problems that we just couldn’t overcome with a traditional roofing system. We applaud the complete MiTek team and especially Brian for guiding us through this process,’ Kleyn adds.

The SAISC Steel Awards

Southern African Institute of Steel Construction Steel Awards 2017 took place on 13 September in Johannesburg, Cape Town and Durban concurrently. The SAISC Steel Awards is an annual event which showcases projects completed in the previous year that demonstrated excellence in the use of structural steel. Currently in its 36th year, the SAISC Steel Awards is an ideal opportunity for stakeholders in the steel construction industry to draw inspiration, celebrate excellence and share their achievements with current and potential clients. MiTek sponsored the MiTek Light Steel Frame (LSF) Categoryand there were eight MiTek-licensed fabricators that had projects entered in contention for the highly coveted LSF Award. The entries had to showcase the importance of steel as a structural component in a project, as well as the benefits achieved by using a steel construction. The judging panel also took other factors into consideration such as: aesthetic appeal, environmental considerations, innovation in design, fabrication or construction, special details or any other unique features, value to community development, engineering expertise and quality of workmanship. n

Project information Fabricator: Build IT Jeffreys Bay Owner: Tony Ward Project: GLA School Hall – Jeffreys Bay Approximate mass: 10 tons, Roof area: 585m2 = approx. 17.5kg/m2 (complexity of roof added to mass) Maximum clear span: 19m Project duration: 6 weeks

MiTek Industries SA (Pty) Ltd T +27 (0)11 237 8700 E W

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Project Feature: New Discovery Headquarters in Sandton

Discovery Place, Sandton The new Discovery global headquarters in Sandton central has become the largest new-build project to receive a 5 Star Green Star rating by the Green Building Council South Africa (GBCSA) to date. Developed in a joint venture by two of South Africa’s leading property companies, Growthpoint Properties Limited and Zenprop Property Holdings, the iconic new 12,000m2 resource-efficient, cost-effective and environmentally-innovative Discovery head office is the largest single-phase commercial office development in Africa. Features of the new building which have contributed to the Green Star rating include: • energy optimisation through the advanced design features of its envelope and building services


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• h igh-efficiency air conditioning that leverages an outside air economy cycle • indoor air CO2 monitoring • low-energy lighting • occupant control and daylight optimisation, as well as • the building’s standout high-performance double-glazed curtain wall. The building is wrapped around a series of sunlit atria that plug into a central concourse. The design of the atria and skylights result in an abundance

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Project Feature: New Discovery Headquarters in Sandton

of natural light without compromising occupants’ comfort and energy performance. Grey and rainwater systems, efficient sanitary fittings, an efficient irrigation system and water-wise landscaping contribute to the building’s optimal water performance.

Sustainable development a key priority From its design to construction and operation, sustainable development has been a key priority for Discovery, Zenprop and Growthpoint. Growthpoint Properties Office Division Director, Rudolf Pienaar, comments: ‘We are thrilled with the 5 Star Green Star certification achieved for this development, especially considering its scale and complexity. The new Discovery head office is now among the most environmentally sustainable and efficient buildings in South Africa. ‘Green building plays a key role in providing spaces in which businesses can thrive. We are incredibly proud to be part of the creation of the new global headquarters for Discovery in a building that is both spectacular and sustainable.’ GBCSA Executive Director: Certifications, Manfred Braune, points out: ‘It is the largest new building certified as Green Star to date in South Africa, which makes it an incredible achievement. A 5 Star Green Star rating for a building of this size would have been a challenge to achieve and we congratulate the entire team involved in this remarkable project. The combination of low-tech and hi-tech is outstanding, ensuring the perfect marriage of load reduction through passive features with technology that ensures optimal efficiency.’ Aurecon is responsible for overseeing the delivery of the developers’ and Discovery’s green intent for

the building. Their role has been to ensure it has been designed and constructed with the highest sustainability credentials to demonstrate leadership in the transformation of the South African real estate industry. Yovka Raytcheva-Schaap, the Aurecon associate for environmentally sustainable design consulting and project management for the project, points out that, most notably, the Discovery building creates an environment that is centred on occupants’ health and well-being. ‘The design provides for an ample amount of fresh air, thermal comfort, daylight and connection to the exterior. A fully equipped gym, running track, yoga decks and multipurpose courts are set in the indigenously landscaped roof and encourage an active lifestyle, in line with the Discovery Vitality ethos,’ says Raytcheva-Schaap. Aurecon’s Martin Smith adds that the expansive ground floor of the building accommodates Discovery’s retail partners, client services, walk-in centre, staff restaurants and coffee shops, offering an energising experience to both visitors and staff alike. ‘Upper floor plates, designed for activity-based working, enhance staff collaboration, enjoyment and business efficiency,’ adds Smith. Located on the corner of Rivonia Road and Katherine Street, diagonally opposite Sandton City and one block from the Sandton Gautrain Station, the building comprises three linked office towers which consist of a ground floor, eight office floors and a roof level which holds Discovery’s sports facilities. It will also offer nine basements with over 5,000 parking bays. Discovery is expected to take occupation of the property, which is owned by Growthpoint (55%) and Zenprop (45%), towards the end of 2017. n

Green Building Council T +27 (0)86 104 2272 (Cape Town) T +27 (0)11 339 1152 (Johannesburg) E

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Project Feature: Construction Chemicals for High Profile Projects

Wide range of construction chemical products for high profile projects a.b.e Construction Chemicals has for many decades provided a wide variety of products for the South African construction industry. The product range of the company, part of the Chryso Southern Africa Group, falls into the following main categories: • Waterproofing • Flooring • Silicones, sealants and adhesives • Concrete repair and protection • General construction • High performance coating systems For the SA construction industry, a.b.e. has provided products for several high-profile building projects. Recent noteworthy examples include:


a.b.e. supplied a wide range of products for the refurbishment of the waterproofing system to Cape Town’s V&A Waterfront Aquarium predator and kelp tanks.


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The project called for the installation of new waterproofing to all the horizontal and vertical areas around the 21-year-old tanks. Included were roof slabs, external tank walls, damp-proof courses, door thresholds and other ancillary areas. a.b.e. supplied six products for the project. For the roof slabs: bituprime, Index Fidia P 4mm and Index Testudo. For other areas: duraflex, super laykold and 3-ply malthoid.


abescreed dura.Top, a new a.b.e. Construction Chemicals self-smoothing, dustless overlay for levelling floors, formed part of an extensive range of a.b.e. products specified for the refurbishment of the floors of a relatively new warehouse in Malawi. When Plem Construction, one of Malawi’s leading civil engineering contractors and long-standing client of

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Project Feature: Construction Chemicals for High Profile Projects

a.b.e., was appointed by Central Medical Stores Trust (CMST) to renovate and upgrade the floors of a new 4000m2 warehouse floor, the contractors turned to a.b.e. for a suitable, cost-effective solution to the problem. For this remedial work, a.b.e. supplied three products: durarep FS fast-setting structural repair mortar; epidermix 344 wet-to-dry concrete epoxy adhesive for bonding the durarep FS to the host concrete and duracure SBC resin curing compound. Other SA flooring projects for which a.b.e. supplied products include: • abecote 400 Hi-build, an economical fourcomponent, solvent-free epoxy flooring system was selected for the new 1 000m2 concrete floors at the Tekton Autobody panel beating premises in Daljosafat, Paarl. • abescreed SLC P pumpable self-levelling compound, together with abescreed acylic primer for a new ‘mega gym’ in Port Elizabeth. • abeflo self-levelling flooring system for the floor of a new Vodacom outlet in Maseru, Lesotho. • abecote 337 Tough Epoxy Paint for floors for the Havana Hills Wine Estate in Durbanville, Cape Town. • abecote Tough Polyurethane Paint for new floors at the Clover SA ammonia plant in Clayville, Gauteng.

The new projects where Dow Corning sealants were applied as structural glazing sealants are: • 72 Grayston Drive, Sandton (refurbishment of existing office block) • Allandale office building in Midrand • Sandton Skye Apartments, Sandton • Growthpoint, Illovo, in Umhlanga Ridge. In all four cases, Dow Corning 993 structural glazing sealant and Dow Corning 813C weather sealant were the specified combination of products for the glazed facades. A new Dow Corning adhesive for non-glazed façade cladding was provided by a.b.e. for the extensive panel bonding required for the façade of the upmarket 4 Stan Road office block development in Sandton. The composite 1.2m by 2m Laminam ceramic panels used to clad a 700m2 section of the façade of the building were bonded with Dow Corning 896 Panel Fix. A renowned structural sealant supplied by a.b.e. was used for the refurbishment of one of Cape Town’s architectural treasures: the CBD Heritage landmark building, Mutual Heights. Dow Corning 813C silicone was applied as weather sealant on the joints of the approximately 10 000 grey granite cladding panels of the towering 77-year-old building in Darling Street by rope access.

Silicones, sealants and adhesives

Concrete repair and protection

A widely-specified duo of Dow Corning structural glazing sealants, supplied by a.b.e. Construction Chemicals, was selected for four high-profile projects: three in Gauteng and the other in KZN.

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On an ongoing basis, a.b.e. supplies products for two major highway bridge construction projects in Gauteng: the new Bus Rapid Transport (BRT) cable stayed bridge over the M1 near Sandton, as well as for


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Project Feature: Construction Chemicals for High Profile Projects

For the refurbishment of the N14 highway bridges, a.b.e. is supplying three products: silocoat, Dow Corning 890-SL and Dow Corning 888.

General construction

a.b.e. products were used to build the Fulton Awards Commendation winner, Mndwaka Dam, on the Eastern Cape’s Wild Coast. Mndwaka Dam, which provides water for 63 remote rural villages, is the highest and largest rubble masonry concrete dam constructed in southern Africa. It is almost 30m high with a 30 000m3 volume. a.b.e. supplied the following range of products for the building of the multiple arch-buttress dam: • brixeal • duragrout • epidermix 344 • durarep FR • epidermix 318

High performance coating systems

maintenance work on several N14 bridges between the Hartbeespoort/Sandton and Lanseria off-ramps. a.b.e. supplied four products for the new 255m long BRT cable stayed bridge: duragrout, durarep FR, epidermix 395 and epidermix 345.

For maintenance work on the Southern African Large Telescope (SALT) near Sutherland, a.b.e. supplied VIP QuickSeal Reflect Silver, a recent addition to the expansive range of VIP Polyurea protective coatings and joint fillers the company distributes in South Africa on behalf of Voelkel Industrie Produkte of Germany. The elastomeric coating with unique reflective, cooling qualities was applied to the dome of the structure housing the SALT in the desolate Northern Cape. VIP QuickSeal Reflect Silver was applied to seal about 1100m2 of the rotating dome’s surface area to replace old aluminium panels which had developed leaks that would have posed a serious threat to the operation of the enormous and ultra-expensive telescope housed in the dome. n

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Project Feature: HQ Bedfordview

A contemporary office complex with luxury finishes This landmark building in the area, HQ Bedfordview is conveniently located directly across the road from both Bedford Centre and Bedford Square and sets a new standard of premium grade office space in the area. The office complex has been designed by AMA Architects with a contemporary look in mind. Luxury is guaranteed with quality finishes by Hans Grohe, Duravit, Gerberit cisterns and porcelain tiling. HQ Bedfordview is a sectional title Office park scheme offering tremendous flexibility. Purchasers and users designed their own space according to their unique needs. Sizes vary from 140m² to 8 000m², with anything in between being accomodated. Self-contained units range from 140m² to 3 300m² and these were also combined to create single floor plates. Here, your imagination is the only limiting factor - think roof terraces to capitalise on breathtaking views, entire floors or individual three storey blocks made available for ownership. The focus is not only on the interiors, but equal consideration has been given to the exterior atmosphere of the design of HQ Bedfordview. Through the design of three individual blocks, a park-like environment has been created, featuring state-of-the-

art urban landscaping between each block. These have created beautiful common areas which provide limitless opportunities for informal meetings, relaxation or simply meditative moments within the day to recharge. It goes without saying that environmental factors have been a key design consideration for AMA Architects and leading green building principles have been included in the construction process. Each building has been designed to be predominantly north or south facing to ensure the optimal use of natural light, and minimise heat loading on the east and west facades. In addition, numerous energy efficient systems have been incorporated into the design, including LED lighting, motion sensors and heat pumps. Other superior features include cutting edge IT and security systems, and uninterrupted power generators.AMA Architects have created another leading project that acts as an Urban Catalyst for future growth of Bedfordview. n

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Editorial: HVAC, Prestige Air, Milpark Hospital Project

Energy-efficient climate control system for Milpark Hospital extensions Located on the outskirts of the Johannesburg CBD in Parktown, Milpark Hospital is one of Gauteng’s premier private hospitals. When the time came to enlarge its facilities to cope with ever-increasing demand, consulting engineers Spoormaker & Partners requested tenders for the air-conditioning system. Prime requirements, amongst others, were maximum energy efficiency, top quality of units, complete stock availability and a full fresh air system. Prestige Air secured the contract by specifying Samsung DVM S units in conjunction with an air handling system, plus two Hydro units supplying hot water. ‘Morné Meyer of Fourways Airconditioning, who supplied the Samsung units helped us with the design and also made site visits to ensure everything was going according to plan,’ says Dewald Ras, project engineer at Prestige Airconditioning. ‘We had previously installed DVM units in places such as Windhoek, Onderstepoort and Bronkhorstspruit so were familiar with the requirements of a DVM installation, particularly about the welding of pipes.’ The air-conditioning project was begun in November 2016 and finished in February 2017

‘An AM320 (89.6kW) DVM S supplied indoor units on the ground floor, while an AM 160 (45kW) was used for climate control for the first floor,’ explains Morné Meyer. ‘A full fresh air system was a crucial aspect of the entire installation, while an air handling unit services the ICU on the ground floor. A bonus of the installation was “free” hot water from two Hydro units that used discarded heat to provide water for the hospital’s laundry, bathrooms etc,’ he adds. The entire DVM system is linked a data management server for central control, ensuring precisely the right temperature for each of the different hospital areas. Managing director of Fourways South Africa, Richard Perry, comments: ‘We are very gratified by the ever-increasing number of leading consulting engineers, architects and installers that are specifying Samsung’s DVM S systems in its various formats. With eight branches of Fourways countrywide, including our large new premises in Honeydew Business Park, we are able to warehouse a wide range of Samsung’s airconditioning products and provide on-the-spot service and technical advice to our installers.’ n

Above: Samsung DVMS units being connected, with the two-storey wing of Milpark Hospital in the background Right: Samsung Hydro unit




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Editorial: Sustainability Consultant

Anatomy of a sustainability consultant – walking the talk By Gareth Griffiths Ecolution Consulting is a sustainability consulting firm that aims to live, work and play sustainability. It is a certified B-Corporation, meaning it is to the commercial world what Fairtrade is to food and beverage products. Its founder and CEO, Andre Harms, is an affable and highly qualified young person with a blend of vision and the ability to work with others towards common goals.


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Andre Harms at his most famous project – the Hotel Verde.

What is a B-Corporation?

The global B Corporation (B-Corp) certification is a mechanism for businesses to harness the power of private enterprise to create public benefit. There is a small B Corp movement in South Africa, but it is growing. Worldwide, there are at present over 2300 certified B Corps globally from more than 130 industries in 50 countries with the unifying goal: to redefine success in business. Certification also helps consumers identify change makers and guides investors to find ethical businesses to invest in. B Corps are certified by B Lab, a non-profit organisation that certifies companies based on the value they create for stakeholders such as employees, the local community and the environment. Their custom-made assessment tool – the B Impact Assessment – aims to ‘Measure What Matters’ through its rigorous standards of social and environmental performance, transparency and accountability. In the green building environment, there is no place more important in this world for these inclusive businesses to succeed.

Photos by Andre Harms, GBCSA and Gareth Griffiths Imaging

SA Building Review asked Andre what it takes to be a successful sustainable building consultant in today’s climate-change stressed environment, hampered by legacy issues and budget restraints. Much of the work involved in consulting involves collaboration with architects, designers, engineers, owners and the operational team at every stage of the process. For example, in cases of an integrated approach to energy modelling to optimise building performance. ‘This way we ensure that we achieve lasting energy and cost savings,’ says Andre. But it is precisely the consultancy’s B-corporation certification by B Lab, one of the first two African companies to be certified thus far, that underlies its chosen business mission – to provide expert insights, solutions and consulting services in sustainability and green building. Interviewed on site at the Hotel Verde recently, arguably the greenest hotel in the world, Andre spoke passionately about one of his greatest environmental and interpersonal challenges – being a very young team leader at the South African SANAE IV ‘stayover’ winter base in Antarctica during 2010. Indeed, he was half the age of the oldest team member there. And it was a long winter. ‘It’s there that I learned more about the passive approach to heating, cooling and other sustainability challenges. Several times we had to ensure technical challenges like equipment malfunctions and water freezing in prevailing temperatures of as little as -39.8 °C. In layman’s terms, this means that under these conditions, a beverage cooler box is used to prevent the canned drinks from freezing up and not the other way,’ he says, sharing a light moment with us. Heralding from a Namibian family, 34-year old Andre went to school at the German School in Cape Town and graduated in electro-mechanical engineering from the University of Cape Town. Being thus technically qualified and trained on the job in the harshest climate on the planet, Andre began his journey along the green building road in 2011. Since graduating as an engineer, Andre has received several certifications, including the Green Building Council in Wisconsin, the American

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Editorial: Sustainability Consultant

The Two Dam Sustainable Trout Farm.

The Hotel Verde – four years on – a truly green place.

Association of Energy Engineers and South Africa’s own Green Building Council. These include the EDGE certification, towards which he also assisted with contextualization of content for the Technical Working Group.

Crown of green success – the Hotel Verde

A chance meeting with Mario Delicio who had known him for years put Andre into business with the Delicio family, founders of the Dematech Group, whose diverse business interests included the making of the greenest hotel in Africa. This would turn out to be a road that would lead the Hotel Verde near the Cape Town International Airport, to the pinnacle of its green success – its certification is one of a handful of Double LEED Platinum hospitality establishments on the planet. ‘This hotel (still) showcases some of the most advanced technical interventions in SA. These have related to massive energy and water savings,’ says Andre. Hotel Verde, which offers a carbon neutral hotel experience, has gone on to earn success with numerous sustainability ratings, including a 6 Green Star rating for Existing Building Performance and Fairtrade Tourism. Whist the Delicio family continues to keep Ecolution Consulting very busy, both at the original hotel and at a new Verde venture with the Bakhresa Group in Zanzibar which will open during early 2018, the

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First EDGE certified project in SA: Fourleaf.

consultancy has also achieved noteworthy success at other sites – both green field and brown field.

Two Dam Sustainable

Typical in the life of any built environment sustainability consultant, there are projects that excite and offer unique opportunities to build green. There are also the inevitable retrofits where building owners are feeling the sting of climate change impact and escalating energy costs or water shortages. A rural project that excites Andre is Two Dam Sustainable. ‘This is an off-grid rainbow trout farm in the Montagu area in the Western Cape, that runs almost entirely off renewable energy. The farm is the first in Africa to make use of a recirculating aquaculture system which operates sustainably by being an energy-efficient low head recirculating system. The farm also collects and filters its own water and makes use of a number of other technical and operational interventions,’ he explains. Of significance is the fact that green or sustainable building principles are also being applied with equal relevance to a place in rural South Africa.

EDGE Auditors – Fourleaf Estate

The Fourleaf Estate residential development in Port Elizabeth is the first residential project in Africa to have met the EDGE (Excellence in Design for Greater Efficiencies) resource-efficiency standard and receive EDGE final certification. Fourleaf Estate delivers


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Editorial: Sustainability Consultant

significant financial savings to its residents through practical sustainability solutions that have led to a decrease in energy use, water consumption and embodied energy. ‘We believe that EDGE will transform the residential market by embedding sustainability at its core,’ said Andre at the time the development was certified.

Darling Brew

Another example of the wide range of sustainability consulting genres is a craft brewery along the Cape’s West Coast, Darling Brew. The brewery is now in the process of offsetting their entire line of beers which will in turn make the brewery 100% carbon neutral.

The Vineyard Hotel

Noteworthy success has been achieved at the landmark 120-year-old Vineyard Hotel in the Cape Town suburb of Claremont. Here, progressive retrofits demonstrate the way forward for legacy buildings in the hospitality sector. Since the iconic 207-room establishment was acquired by the current owners, remarkable attention has been given to sustainability and ‘treading lightly on the earth’, prior to it becoming the norm and the advent of the local green building movement. Group sustainability manager, Chris van Zyl, has worked for the group - which include the Townhouse in the Cape Town CBD and the Oude Werf in Stellenbosch – for nearly 14 years. A horticulturalist by formal training, he has been focusing on sustainability measures in both the exterior and interior environments of the hotel complex. He has overseen a progressive but sustained rollout of sustainability measures on the property, with various broad-based sustainability and system integration inputs from Ecolution Consulting.

Last surveyed in this magazine late in 2015, subsequent sustainability measures introduced on site include: • An entirely new suite of rooms – called Buksburn, are designed to green building standards and for which a SA Green Star certification is being applied for, as well as a deep refurbishment of 41 legacy rooms to green building standards. • The introduction of a new water heating and PV integrated system called PVT (photo voltaic thermal) supplied by Solarus. Solarus uses curved reflective surfaces to concentrate and use incoming solar radiation into liquid channels between the PV panels. • Water efficiencies have improved year on year yielding up to 40% savings on consumption and costs. • Grey water recycling systems will soon be installed at both the Vineyard and Oude Werf hotels, resulting in further reductions in potable water usage. • On the social responsibility side, the group has adopted a highly proactive stance in encouraging guests to minimise their potable water usage in their rooms, without compromising levels of service.

International projects

With the South African Green Star rating system being applied throughout Africa now, new projects are being rolled out in both Zanzibar, under Hotel Verde branding and management, and at a remote lodge in Northern Rwanda. Both these projects are strikingly different to the Western Cape hotels and, according to Andre, also use integrated design and performance modelling. These include façade thermal performance, building envelop performance and thermal comfort predictions. n

Vineyard Hotel.


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Editorial: Aluminium Windows and Doors

Almighty aluminium Whether you are involved in a new build, or you are renovating your existing home – your choice of windows and doors is an important decision that will have a big impact on the final aesthetics and comfort of the building in question. ‘Aluminium windows and doors, such as the KENZO range from Swartland, for example, are becoming an incredibly popular choice for homes and commercial buildings alike. They are best known for their exceptional durability; however, they also boast modern good looks, let in plenty of light, are low-maintenance and won’t rot, mould, peel, fade or corrode,’ says So Cobus Lourens from leading window and door manufacturer, Swartland. He provides an overview on why aluminium windows and doors are becoming such a popular option:

Slim profiles

Arguably, one of the main benefits of aluminium windows and doors, from an aesthetic point of view, is that they boast really slim sightlines. This means that more of the window or door can be made of glass. ‘Due to the inherent strength of aluminium as a material, you need less of it to securely hold the glass and hardware in place. For this reason, you can fit a lot less frame and include a higher proportion of glass, which in turn, affords you the best and most unhindered aspect or views to the outdoors,’ says Lourens.

Extreme durability

Aluminium is an ultra-light weight, low density metal, which allows for very slimline window and doorframes that are sturdy and strong. ‘The strength of aluminium frames means that they can be made slimmer than any other material, allowing for more space for glazing, and therefore lets in more light and offers better views to the outside. Also, aluminium is not likely to

corrode, warp, rot or fade. It also doesn’t expand or contract when exposed to the elements and varying temperatures,’ Lourens explains.

Cost effective

It’s a common misconception that home improvements must be costly and unaffordable. ‘Aluminium windows and doors are comparatively well priced in the market and really easy to install – making them a cost-effective option for a new build or renovation. They come pre-glazed and don’t require any painting or sealing, which saves further time and money with regards to installation,’ notes Lourens.

Low maintenance

Aluminium windows and doors require exceptionally little maintenance and upkeep as they don’t need sanding, painting or sealing. They are UV- and water-resistant, and they do not contract and expand when exposed to varying temperatures. All you need to do to keep them in perfect condition is to wash them down with warm, soapy water every now and again,’ Lourens adds.

An environmentally-friendly choice

Aside from their exceptional levels of durability which give aluminium windows and doors an impressively low carbon footprint, they also seal exceptionally well, offering excellent air-tightness for optimum in-house insulation and energy efficiency. This results in warmer, less draughty homes and lower energy bills. ‘Aluminium is also a really green building material as it is 100% recyclable and the recycling process only requires 5% of the initial energy consumed to create it,’ Lourens concludes. n

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Project Feature: Rock Art Gallery

Photo by Goldman, B. 2017.

Approach from the south reveals a play of shadow and reflection on the monolithic façades.

Rock Art Gallery The making of this intervention was never contemplated as a building, but rather a relocation place or safehouse that would ensure preservation and protection from various urban elements, whilst cohesively displaying the treasured rock art for the beneficiation of those that cannot travel to distance places to enrich their cultural knowledge. Rock art is a cultural art form, it is finite and fragile man-made markings placed on natural stone resources that tells the story of the hunter-gatherer society. The architects took note of the ethnographic recordings that have been produced as a part of the ritual of petroglyphs, which are carvings into the rock surface; pictographs, which are images painted onto the surface; and earth figures formed on the ground in distant places – as well as its symbolism of magical and religious significance. These have been considered as a formation of importance to the indigenous people in various parts of the world who view them as sacred items and significant components of their cultural patrimony. As such, these design drivers that became significant sources of cultural tourism continued to reverberate in the process of finding a home for the collection that has been displaced and at risk of being lost in varied gardens. These are often an attraction and are used in popular culture for their aesthetic qualities, hence the vision for the centre was conceived.


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Design considerations

Whilst the considered collection gave rise to the architecture of the space, the structure’s envelope evolved from casual discussions with the client whose intention it was to secure these irreplaceable finds. Another significant design consideration was what to do with the remainder of the extent of the site beyond the existing Origins Centre building. The architects, Mashabane Rose Associates (MRA), proposed pushing the boundary to its limits, literally, and took a leap of faith with the client that was consistent with its ethos of making meaningful interventions in spaces that reflect and enhance the lives of people. The architects attempted to capture the clients desire with due regard to the imperatives of the context and the needs at hand. In considering the building, the architects referenced literate cultures, wherein a rock relief or rock-cut relief is carved on solid or ‘living rock’ such as a cliff, rather than a detached piece of stone. This being a category of rock art and sometimes found

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Photo by McClenaghan, C. 2016.

Photo by Mashabane, P. 2017.

Project Feature: Rock Art Gallery

Internal view facing downwards from the first floor level.

in conjunction with rock-cut architecture to which the envelope of the building lent itself, has become evident. The building also took a form of stylistic relationship to other types of sculpture from the culture and period concerned.

The exterior mimics nature, while the interior has playful elements

The external off-shutter concrete finish of the building mimicked the natural contours of rock by bearing the horizontal imprints of the timber formwork that created crevices to be revealed and concealed throughout the day by shifting shadows. The vertical relief of the structure along Enoch Sontonga Avenue became significant when considering the location of the building as a ‘book-end’ in contrast to the most common reliefs that are essentially horizontal in surfaces. The architects found it natural to place this boulder as a termination point to the campus edge, only to recede at the street apex where a public reception area invites the passer-by to engage with the intervention. The interior subjected itself to that of a cave with solid hewed out enclosures evoking both gravitas and strength, but juxtaposed the austere external

Medium size rock exhibition on the Ground Floor

with subtle playful elements. Each of the three levels reveals distinct features along both the horizontal and vertical circulation paths. Floorplates approach and recede from structural elements. Columns pierce through slabs to intersect with the beam above. Beams are expressive, unexpectedly passing through one another. Slabs approach nearby walls, but stop just shy of making the join – enhancing the theme of spatial tension. Voids allow unexpected vertical connections to occur between levels, granting calculated views between the spaces. To house the rock collection, the programme divided each of the 90 plus rocks (graded by their size and weight) into groups; the larger the rock, the lower down in the structure it would be positioned.

Natural lighting

Controlled natural light permeates into the spaces to add to the experience between light and dark, form and void; and furthermore, allows the rocks on display to be lit with oblique lighting which best highlights their engravings. The lighting tracks reinforce the strong linear design of the interior, deviating from the structural language to create another layer. Light is cast only where needed without hindering the impact of the shadows and shapes inherent in the clean design of the interior. The new gallery matches the existing floor levels of the Origins Centre, allowing circulation to continue unhindered between old and new exhibits. The new extension allows the narrative of the museum to extend comfortably. Overall, the intention was to create a sense of place with a never-ending theme in art – realistic and touchable by individuals, or whether as imposing. The architects endeavoured to shape a space that would outlast us and tell our time and dreams as a people. n

Mashabane Rose Associates T +27 (0)11 486 1057 F +27 (0)11 486 1097 E W

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Innovative, quality fasteners in South Africa for more than a decade SA Building Review spoke to Jason N Hoo, Managing Director of Engineering Edge (Singapore) about the success of Corroshield Fasteners in the South African market. Jason began his career around 21 years ago working for Australian fastener manufacturer, Spurway Cooke. His responsibilities was to manage the regional sales and marketing activities for the Company’s construction fastener division. He took care of the Asian sector, and under his helm, he won significant market share from the competition within a short period of time. As popularity for Spurway Cooke’s construction products soared, this grabbed the attention of the fastener market. Jason was subsequently invited by some Taiwanese fastener manufacturers to visit their factory. From there, he acquired first-hand experience of the inner circle of the fastener industry. He witnessed the enormous amount of research work done by these manufacturers there for their European and American customers. ‘It was here that I realised these were the people who had the capability to transform a hand-drawn

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idea into a real fastening product. Their engineering knowledge were excellent, but they needed someone to introduce their products directly to the end-users,’ he explains. Jason was eventually invited to join the Taiwanese team and formed Engineering Edge in 1999 in Singapore to facilitate global sales. Today the organisation comprises of a group of companies with headquarters based in Singapore and regional offices in Eastern Europe and the Middle East, and two manufacturing plants in Taiwan and Vietnam. These companies serve more than 20 countries globally. Engineering Edge boasts three brands trademarked under CORROSHIELD®, TAPPERMAN® and DYNO®. CORROSHIELD® is a corrosion resistant range of fastening products, catering to customers demanding the best in corrosion technology. ‘CORROSHIELD® is our ultra-premium range and we apply the most advanced technology at our disposal, which has already been embraced by our demanding industrial and oil and gas customers, for the construction industry,’ says Jason. TAPPERMAN®, while still delivering uncompromising performance, is Engineering Edge’s economical range which is widely available in European hardware stores as a retail product. DYNO® is the brand used in the construction, industrial, and oil and gas industries for a variety of applications, including on oil rigs in the middle of the ocean. In these types of application, the fasteners must be corrosion resistant and yet be able to withstand extreme operating temperature. CORROSHIELD® and TAPPERMAN® are available to South African customers through CORROSHIELD® South Africa, with their head office in Cape Town and a distribution centre in Johannesburg. Corroshield South Africa now also provides fasteners to the lightweight steel framing industry and will periodically introduce innovative products to the South African market. So, what differentiates CORROSHIELD® from other companies importing fasteners into South Africa? ‘CORROSHIELD® is the only brand distributed in South Africa which is directly backed by a manufacturer,’ Jason explains. ‘This is very important when you look at it from three key support aspects: Sales, Technical and Quality. We actively work with CORROSHIELD® South Africa and its partners by communicating with the


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end-users to educate ourselves about their needs. This helps us to improve on our product designs and cater to the local markets.’ Through on-the-ground communication, the company is also able to explorer new ideas and implement R&D projects in Singapore. Education is also key, and the Company takes upon itself the task of continuously educating its partners and customers on technical knowledge about fasteners. ‘This also helps eliminate any inaccurate information provided by unethical competition who is only interested in moving their stocks. We also aim to raise the South African construction standard by supplying the correct technical information. Being a manufacturer also means that in the unlikely event of a quality issue, we rectify those problems at a manufacturing level. This includes getting our team to conduct root cause analysis and arriving at the necessary corrective actions to ensure that the same problem does not occur again. If you look at it from these angles, I can confidently say that no other company delivers the same in South Africa,’ Jason adds.

Innovation and quality

‘I am aware that a few of our competitors carry out anti-corrosion tests with third party testing companies. Some of these competitions even play a significant role in the South African Bureau of Standards’ national standards (SANS) board and obviously have a huge influence on how the standards will eventually pan out,’ explains Jason. CORROSHIELD® do it differently. CORROSHIELD® fasteners have an international footprint and are sold in more than 20 countries, all of which have quality standards which have to be met. In Singapore, CORROSHIELD® have a long-term collaboration with Singapore Test Services and TUV, as well as all statutory boards or international test laboratories. The company carries out mechanical tests as well as anticorrosion tests at fixed intervals as part of its product assessments. Additionally, to sell into Europe, CORROSHIELD®’s products must be European Conformity (CE) certified. This means that the production line, work flow and quality control processes are audited annually by CE to ensure that Corroshield meet the minimum quality requirements to export to Europe.

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CORROSHIELD® is also a Factory Manual (FM) approved product. Several major projects across the world now require FM approval as a form of quality assurance. An additional team of auditors from FM do annual audits based on their own assessment requirements.

What’s planned for South Africa?

‘Without revealing too much, our focus is not only on South Africa, but the entire African continent. And we are also looking at other industries, in areas other than just roofing. For the roofing industry, we will be moving into two directions: to introduce advanced coating technology and effective designs. We hope to eventually lift the entire construction industry to a different level,’ Jason says. ‘Coating technology is developing rapidly, but the roofing industry is still talking about mechanical plating, with 25um coating thickness and passing the 1,000 hours of salt spray test. We are already delivering nano coating technology – where 0.5um of coating can perform that same 1,000 hours of performance – to our industrial customers.’ Corroshield is also dedicated to creating products which make a real difference in their customers’ lives. ‘For example, for concealed fix applications there was only ever a Philips drive head available for the screws. While this is very common, it isn’t a very effective drive. Without re-inventing the wheel, we innovated to manufacture square drive fasteners. Our customers are thrilled because we have drastically reduced their wastage and improved ease of use,’ Jason explains. In 2014 CORROSHIELD® launched DUOTAPP®, a fastener with a special drill point that can drill into timber as well as steel. Customers who have embraced DUOTAPP® enjoyed huge savings in their inventory holding. Then in 2015/2016, the company launched the S17™ timber drill point for the TIMTAPP® range. ‘This product was designed after we witnessed several installation failures because of timber purlins splitting,’ says Jason. ‘The conventional drill point for timber would be the Type 17 point. While type 17 will penetrate timber, it has a huge flaw: It splits the timber purlin when installed close to the edge, resulting in a drastic reduction in pull-out strength or sheet pull-over strength. These are all strengths that can benefit South African customers and help them to create an edge over their competitors. n

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2017/12/18 1:10 PM

Editorial: New Molecularly-oriented PVC Pipes (PVC-O)

The laminar structure of a PVC-O pipe

PVC-O pipes: An exciting new market for plastic pipes A new molecularly-oriented PVC pipe (PVC-O) – used specifically for pressure applications – has opened exciting new opportunities for plastic pipe manufacturers around the world and in South Africa. ‘Designed to be lighter, have better impact resistance and increased tensile strength when compared to standard PVC, PVC-O pipes are for the first time technically competent and commercially viable to compete in the large diameter, high pressure, bulk water, trunk main pipe market that has historically been dominated by steel and ductile iron,’ explains Jan Venter, Chief Executive Officer of SAPPMA (the Southern African Plastic Pipe Manufacturers Association). The first PVC-O pipes entered the market about 40 years ago in the United Kingdom after the shapeless structure of PVC-U was reorganised into a layered structure. This realignment of the PVC molecules is done through a process called biaxial orientation, and greatly enhances the material properties – making it about twice as strong and ten times more impact resistant compared to traditional PVC-U material.

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Most eco-friendly pipe system in the world

‘PVC-O pipe offers unbeatable mechanical properties in plastic pipes, such as high impact resistance (almost unbreakable), high stiffness and fatigue resistance, an excellent behaviour with external loads, crack propagation prevention and maximum flexibility. It is also the eco-friendliest pipe system in the world as it requires less energy to produce than conventional PVC-U and other pipe materials, as well as less energy in service than all other pipe types,’ Venter says. Thanks to the fact that the wall thickness of PVC-O pipes can be reduced by up to 50% while maintaining the same pressure as that of the traditional PVC pipes, PVC-O has a larger bore offering greater hydraulic capacity. It also offers excellent mechanical characteristics thanks to its fatigue resistance, elasticity and tensile strength.


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Editorial: New Molecularly-oriented PVC Pipes (PVC-O)

Fast, efficient and safe coupling

Furthermore, PVC-O pressure pipes have a spigot and socket jointing system that enables fast, efficient and safe coupling, witnessed by nearly 1km of 630mm diameter pipe laid per day on a project, that must withstand a negative pressure for over 30 minutes which goes down to -0.8 bar – nearly a complete vacuum. “During the first three decades of life of this product, there were some limitations such us standardization, manufacturing process, range of products and industrial efficiency. These limitations have been rectified and offer numerous advantages at all stages of a project,” Venter says. These include: • during Design Phase: larger capacity, higher velocities, lower friction losses, lower embedded energy, lower life cycle cost and complete fitting range. • during Construction Phase: lightweight, ease of handling, speed of construction, lower plant costs and ease of joining. • during Ownership Phase: no cathodic protection, lower friction deterioration, service life more than 100 years and a “tried and trusted” asset.

Technical information about PVC-0 • PVC-O has an altered molecular structure, allowing it to have a Minimum Required Strength (MRS) of 50 MPa, whereas PVC-M (Modified PVC), has exactly the same as PVC-U (Plasticised PVC), namely 25 MPa. • This reorganization or alignment is done through an elongation of the plastic in special conditions that allow molecules to rotate following the direction of the deformation. • Although these molecular changes are not visible at macroscopic scale, it is fully appreciable with an electronic microscope. As it is a physical process, there is no change chemically, so, there is not significant change in PVC formulation • Owing to its highly impacted modified structure, PVC-O pipes exhibit “tough” characteristics which is the premise for reducing the Design Coefficient (C) from 2, for PVC-U, to 1.4, for PVC-M. • The Allowable Design Stress (σ = MRS/C) for PVC-U, is σ = 25/2 = 12.5 MPa and for PVC-M, is σ = 25/1.4 = 18 MPa.

SAPPMA will keep a close eye on PVC-O pipes to ensure they meet all quality standards

Today, PVC-O pipe systems are manufactured locally by Molecor Pty Ltd, a joint venture between Sizabantu Piping Systems Pty Ltd and Molecor Canalizaciones in Spain. Because it is SAPPMA’s focus to create consumer confidence within the plastic pipe industry and to promote the production and the use of high quality plastic pipes and pipes systems, Venter stresses that the association is also keeping a close eye on PVC-O pipes entering the market and ensuring that they meet all quality standards. ‘There are many opportunities for large size PVC-O pipes in the medium-high pressure class. We are only starting to see the impact of PVC-O on our industry and anticipate that we will see much more research and development take place in the years to come. Whilst manufacturers of PVC-O pipes still must develop ways to extend their use and application value in those areas where they are not yet as strong as other materials, for example by increasing the range of products going larger to complete projects, erasing the need to combine materials and developing a rich range of fittings that can provide customers a system made of the same material, we will be watching the development of exciting new market with keen interest,’ concludes Venter. n

International standards for PVC-O PIPES • The last update of the International Standard pertaining specifically to PVC-O is ISO 16422 which took place in year 2014 and in which the product range has been extended from the previous maximum DN 630 mm, in the 2006 edition, to a maximum diameter of DN 1000 mm, reflecting the market trend of growing into big diameters.) • The Allowable Design Stress (σ) for PVC-U is determined in accordance with the applicable standard SANS 16422 wherein Annex A states the MRS of the material is determined in accordance with ISO 9080 (Hydrostatic Strength) and the C in accordance with ISO 12162 (Design Coefficient). • SANS 16422 incorporates all five PVC-O Classifications, namely 315, 355, 400, 450 and 500 that have a MRS of 31.5, 35.5, 40, 45 and 50 MPa respectively. The highest value of this attribute in conjunction with a determined C value of 1.4 gives an Allowable Design Stress (σ = MRS/C) of 50/1.4 = 36 MPa – a significant value that is double that for PVC-M.

Southern African Plastic Pipe Manufacturers Association T +27 (0)11 314 4021 M +27 (0)82 417 2977 E W


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Project Feature: Lion’s View

Lion’s View According to Jon Case, ARRCC director and lead interior designer on this project, ‘the rewriting of the existing architectural language while maintaining the architectural signature was a key challenge that we had to address.’ To meet the client brief of more accommodation, the architects had to design a third floor for the residence, adding to its stature and changing the façade substantially. When approaching the entrance located at the rear of the property, the solid structure gives nothing away about the magnificence that unfolds when you enter the residence. The detail visible in the perforated vertical screens that fold away from the curved barrel of the rear façade, do, however, hint at the subtle signatures that wait inside.


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The rounded walls of the entrance foyer set the tone for the organically shaped interiors. Rather than being defined by blocks, the spaces inside were designed to flow and embrace the curvilinear design of the structure. When the entrance foyer opens up, the senses are simultaneously exposed to spectacular sea views and an inviting coffee lounge. In this lounge, a futuristic design approach uses Knoll Platner side chairs and striking mercury light fittings by Artemide Skydro Soffitto, emphasising the fluid forms visible throughout.

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Project Feature: Lion’s View

Moving past the coffee lounge, the understated opulence that is ingrained in the interiors becomes clear with a triple volume glass lift and surrounding circular glass and steel staircase that dominates the family lounge area. The LED metal pendant light fitting by Quasar Citadel compliments the staircase perfectly with its circular cascade design. In contrast to the boldness of these central features, the kitchen behind is minimalistic, in line with the clean, contemporary design that the client wanted. A light, neutral palette with white walls and grey floors continue this theme. The signature design incorporated in the perforated vertical screens outside, can be seen on screens and ceiling details on all levels of the house – a golden thread that runs throughout. A formal dining area with walk-in wine cellar, an informal lounge and outside pool deck and BBQ area complete the ground floor. The outdoor shower ledge that transforms into a water feature that cascades into the pool and a large lawned terrace that makes way for unequalled views of the ocean, ensures that the outside is as spectacular as the inside of the residence. On the second floor, a curved passage with sandblasted windows that feature the signature design pattern detail leads to the main bedroom. Timber panelling behind the bed picks up on the detail so intrinsic to the ARRCC design. The ensuite bathroom is cleverly designed with a strategically placed bath tub that projects forward and allows a 180-degree view over the ocean. Two children’s bedrooms, a kids’ playroom and a guest bedroom, all ensuite, as well as a more informal ‘pyjama’ lounge, make up the remainder of the second floor. The third floor that was added to the existing structure accommodates a study, private gym, spa bathroom with sauna and chiller bath. Uninterrupted views add to the tranquillity of this level. The furniture used was sourced from international brands, following the contemporary design style of the interiors. White marble, granite, brushed stainless steel and bronze elements were chosen, in contrast with white that is ever present throughout the house. The residence is almost fully automated with electronic equipment that is centrally controlled. Just another way in which ARRCC takes the details right down into every layer of design. n

About ARRCC ARRCC believes in the spirited crafting of unique interiors that captivate and move. Working closely with our clients, we distil and transform their briefs to exceed original expectations. We believe in life-enhancing spaces that reflect both client and location, and through our refined approach to design, have developed a style focused on detail and substance.

ARRCC T +27 (0)21 468 4400 E

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2017/12/18 1:17 PM

Advertorial: Federale Stene (Pty) Ltd

Bricks are our business Federale Stene (Pty) Ltd was established in Middelburg, Mpumalanga, in 1958. In November 2006, Federale Stene was acquired by the Lutzkie Group of Companies. The Lutzkie Group of Companies is a family driven business. Since the acquisition, millions of Rands have been spent to upgrade and improve the working conditions and deliver most of our products to SABS standards to the building market. The company provides employment to approximately 350 employees and is involved in various empowerment initiatives. Federale Stene believes that black economic empowerment is the cornerstone of our country’s future. With our BEE policy the total workforce benefits.

With the tremendous growth in the building industry, the company is firmly focused on expanding the business from 4 million bricks per month to 8 million bricks per month, maintaining the capacity of 18 million bricks while constantly improving the quality of our product and our customer services. We not only take pride in everything we do, but also in uplifting our staff and community. The company is a proud supplier to the University of Mpumalanga. n

Federale Stene (Pty) Ltd T +27 (0)71 420 6059 E W


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2017/12/18 1:19 PM

Editorial: The Balance Between Security and Design

Function and form for people-flow management Both architects and security specialists must think carefully about how to effectively manage the flow of people into and out of a public site. But is it possible to strike the right balance between security and design? When businesses are looking at adding security solutions to their premises, the process is often not as simple as just installing a turnstile and checking IDs on the way in. Particularly when dealing with public buildings, entrance security systems are expected to fit in with the overall architectural design of the site. For new builds or renovations, access security systems should be part of the architectural concept for reception and entrance areas. 3D configurator tools allow entrance solutions such as speed gates to be visualised as part of the overall design. BIM (Building Information Modelling) objects, for example, can be dragged and dropped into any BIM system for architectural planning. This helps create a digital description of every aspect of an entrance area, allowing interaction with the space to really optimise function and form. (Visit architects-area to download free design and configurator tools.) Building occupancy, expected flow rates and the profile of when individuals are entering and leaving the premises help build an accurate picture of visitors’ behaviour. This is critical when selecting a solution that ensures security but does not create bottlenecks and delays. For instance, a typical office building will see most people moving into the building in the morning

and leaving at around the same time in the evening. Therefore, any entrance security solution needs to be able to maintain fast, smooth throughput at these times. Avoid installing overly intimidating entrance control systems for public access buildings. Not only will they slow down visitor flow, but they may also imply a higher level of risk than is really present. This can make members of the public feel uncomfortable for the duration of their visit, not just while entering the building, and therefore detracts from their experience. A friendly experience will create a better user experience! Over 50 000 Gunnebo entrance gates are installed worldwide which process an estimated 90 million people per day. Gunnebo entrance gates are built for operational longevity and reliability: • Speed of passage: Up to 40 people per minute whilst preserving maximum user safety. • Unique algorithm for fraudulent passage detection such as tailgating, wrong way direction, crawling and leave lane time out. • Variety of lane lengths and panels heights. • Contactless, control barrier, ergonomic design, over 50 parameter settings as well as a selection of user information displays for improved user guidance. n

Gunnebo T +27 (0)11 878 2300 E W


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Advertorial: Youngman Roofing

Sitari Country Estate

Melkbos Primary School

Photo by David Rogers

Photo by Dylan Booysen

Youngman Roofing continues to grow At Youngman Roofing, we have made it our aim to turn challenges into strengths and strengths into great successes, by means of hard work and continuous improvement. Through measuring ourselves against our own past achievements, we have a business model of constant self-challenge that suits us best. Our world class team stands at the centre of this success. An ever increasing loyal and satisfied client base providing us with steady growth has allowed us to venture into new areas; develop new and exciting ideas and expand our quality product range and service offering. We operate from a carefully designed and laid-out factory, centrally situated in Maitland, Cape Town. Our building boasts a layout which is logical and practical, where the aim is to minimise the waiting period for clients collecting, as well as our vast fleet of trucks loading for deliveries. In addition, we supply materials from our branch in Wetton called Rossgo Roofing, a smaller yet very efficient branch with a friendly and eager-to-assist team. Recently we have acquired an interest in The Roofhandler (soon to become Youngman Southern Cape) which proudly and confidently expands our footprint and excellent product and service offering. Youngman Roofing’s current shareholders have also acquired an interest in Corr-line Steel and Roof (Pty). Corr-line is well-known in the roofing industry in Gauteng, Mpumalanga, Free State, Natal, Limpopo and various other areas. This investment expands our quality product and excellent service model to a national footprint. Our metal products include pierced-fix roof

sheeting such as IBR, corrugated and widek, rollformed in our factory. Our concealed-fix offering is the well-established and hugely popular Diamondek, which is the concealed-fix of choice on lifestyle and country estates such as Val de Vie in Paarl, Sitari Country Estate in Somerset West and Clara Anna Fontein in Durbanville. The profile has also been used successfully on a variety of local schools, as well as in commercial and industrial applications. In addition, we have recently acquired two more concealed-fix mills, one with a cover width of 425mm and one with a cover width of 700mm, the latter which boasts a truly unique clip-design. Both are currently being tested to ensure class-leading clipping performance from a wind-load perspective, as well as to ensure excellent spanning capability. All of our concealed-fix mills can perform on-site rolling, and all of our above-mentioned sheeting can be supplied in Blue Scope Steel’s popular Matt colour range. To complement our sheeting range, we offer Palram polycarbonate sheeting, Corroshield superior fasteners, a range of standard and special metal flashings, a wide range of insulation and vapour barriers, as well as related accessories. We are also the sole agent in the Western Cape for Lambdaboard, a rigid insulating ceiling board with unique properties, offered in various thicknesses, boasting superior R-values. n

Youngman Roofing E W


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2017/12/18 1:22 PM

Editorial: Green Building

Green for Good Works By Gareth Griffiths

It is largely agreed that the development of an effective assessment system for the socio-economic contribution of green building and its role in achieving sustainable development in green buildings is necessary in the developing world. Such a system is important due to the numerous social and economic problems in the Third World and all rapidly developing countries.

South Africa has played a leading role in the development of assessment systems for such development, according to green building authorities. The Green Building Council of South Africa (GBCSA) launched its Socio-Economic Pilot category in the first half of 2015. It went on to announce that the Karl Bremer Office Block in Bellville, Cape Town, would be the first project to achieve a Socio-Economic Category (SEC) Pilot rating in Africa as part of its 5-Star Green Star SA Office v1 design rating, achieved at the same time. The office block was a project of the Western Cape Department of Transport and Public Works. ‘Our Socio-Economic Category Pilot is a world-first for rating tools,’ says Dorah Modise, CEO of the GBCSA. ‘The GBCSA has taken the lead in developing a set of socio-economic criteria for green building rating tools. Simultaneously it has developed an International Socio-Economic Framework for the World Green Building Council which can be used by other green building councils to apply to their rating tools’. Socio-economic factors are particularly relevant in developing countries such as South Africa, and extend green buildings to encompass not just environmental sustainability, but also socio-economic sustainability. The Socio-Economic Category allows the socioeconomic achievements of new buildings and major retrofits to be recognised and rewarded under Green Star SA tools. It is a separate optional category for which projects can be rated alongside their standard Green Star SA certifications. The development of the rating tool category was sponsored by Old Mutual Property. The socio-economic category is in its pilot phase and being tested before it is converted into a ‘version one’ rating tool category. According to information from the GBCSA, societal challenges such as poverty, unemployment, lack of education and skills and health can all be addressed, at least to some degree, through the way that buildings are designed, built and operated (refer to:


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Community-centric activities at the Spier complex – keeping the river clean for all

2017/12/18 1:38 PM

Editorial: Green Building

Assessment categories: Socio-economic contributions There are seven possible credits for the SocioEconomic Category to recognise achievements across a priority set of factors. They are: 1. employment creation 2. economic opportunity 3. skills development and training 4. community benefit 5. empowerment 6. safety and health, and 7. promotion of mixed-income housing (only applicable to multi-unit residential projects).

Case study: The Karl Bremer office block

In the case of the Public Works’ Karl Bremer office block, its employment creation targeted at least 10% or more of total labour employed during the construction, comprising disadvantaged people drawn collectively from the target groups of youth, women or disabled people. It was measured by percentage cost of the contract value. Economic opportunity targeted three main impacts. • A minimum contract participation goal of 5% of the total project value on selected contracts by joint-venture partners or sub-contracted to developing contractors that are also beneficiaries of enterprise development support from the main contractor. • A minimum 30% or 25% of contract value, of the procurement of project-specific goods and services during the construction phase from any SMEs or SMEs that are either black owned or black women owned, respectively. • A minimum of 70% of the contract value for materials, products and services produced or generated within South Africa. Its skills development target was compliant with Construction Industry Development Board Standards of Developing Skills through Infrastructure Projects and aimed to provide different types of workplace opportunities and mentorships for learning and skills development over the project period, leading to formal qualifications.

For safety and health, the project aimed to improve the primary health of construction workers and promote better safety practices. Over and above the norm, the project included full medical screening tests, basic health awareness programmes for construction site workers and conducted hazard identification risk assessments of designs. The project’s design delivered green benefits that are good for the environment, including zero discharge to sewer through a blackwater treatment plant and re-use of treated blackwater for supply to HVAC cooling towers. The project also has zero storm water discharge to municipal storm water infrastructure through multiple bioretention areas.

Beyond certified green building

However, it seems as if other commercial enterprises with a built environment footprint have also come to the party in terms of socio-economic development and sustainability in general. In recent times, Spier, an iconic leisure, agriculture and viticulture undertaking based in the Stellenbosch winelands along the banks of the Eerste River, has evolved into a multi-faceted business. This includes, of course, the vineyard and winery, but also a conference centre, a concert venue and a renowned hotel. Indeed, the 4-star Spier Hotel is one of South Africa’s first Fair Trade in Tourism accredited for living its values that directly impact onto socio-economic development. The company has developed enviable community-centric values and has earned a list of accreditations and numerous accolades. These include community projects that also beneficiate the environment, such as the supply of usable waste including PET containers and manpower to a local ‘tree-preneur’ project. The programme is conducted by local community members who grow indigenous trees where they live and then barter them for vouchers for essential day-to-day domestic items. The concept was started by the Wildlands Conservation Trust of KZN ( and is substantially supported by Spier in the case of the Western Cape operation. A Spier employee, Lesley Joemat, is intimately involved in this project. According to Spier (www.spier. Lesley visits growers in the impoverished communities of Blikkiesdorp, Kalkfontein, Lynedoch, Meerlust, Heather Park, Tafelsig, Nagenoeg and Klapmuts weekly to distribute seedlings, containers, soil and compost and to offer advice on growing trees. n

The wr

The Spier complex recycles it’s waste - to the benefit of all

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2017/12/18 1:39 PM

Advertorial: Eco Tanks

Effective water storage solutions With crippling water shortages an increasingly harsh reality in South Africa, and no long-term relief in sight, water security is fast becoming an essential element of any new residential or industrial development. Building on 14 years’ experience in the storage industry, Eco Tanks offers home and commercial users a wide range of effective water storage solutions as part of their wider water management initiatives. And such is their confidence in the quality and durability of their products that Eco Tanks is the first and only manufacturer in South Africa offering a full replacement value, 10-year guarantee on all its tanks. ‘We invest heavily in innovation and are continuously improving our manufacturing and moulding processes,’ says Eco Tanks co-founder, Darren Hanner. ‘This gives us the utmost confidence in our products, and allows us to pass on that peace of mind to our customers by guaranteeing both our quality and our workmanship.’ All Eco Tanks feature food-grade black liners, are completely BPA free and therefore safe to store drinking water. Eco Tanks’ commitment to innovation is accredited by Agremént South Africa and the company is a full member of the Association of Roto Moulders of South Africa (ARMSA), where it is actively working to ensure sustainability of its industry. It was one of the first roto moulders in the country to achieve SANS 1731 accreditation and remain the first and only national roto moulder in South Africa with full ISO 9001 accreditation, a sought-after acknowledgement offering its customers products and services of consistently good quality. ‘One of the reasons we are able to offer across-theboard quality guarantees – a first in our industry – is because our plants use some of the most modern and advanced machinery in the country,’ Darren says. ‘Added to this, our in-house laboratory ensures that all products are continuously tested and held to the most stringent quality standards. As a result, our quality assurance is absolute.’ Despite stringent competition in an increasingly competitive market, Eco Tanks has enjoyed rapid and sustained success over the past 14 years.


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Advertorial: Eco Tanks

From a single factory in East London, the company has had to expand repeatedly to keep up with demand and currently operates four fully-fledged production facilities in four provinces: the Eastern Cape, KwaZulu-Natal, Gauteng and, most recently, the Western Cape. ‘Our new factory in Cape Town is an important milestone for the company,’ Darren says. ‘Not only does it extend our footprint into the Western Cape, an important market for us, but it will also allow us to increase our production in the Cape three-fold, with extra manufacturing capacity being added now.’ With water restrictions affecting virtually every community throughout South Africa, all consumers – domestic, commercial and industrial – must look seriously at rain harvesting. ‘At Eco Tanks, we are exceptionally proud of the fact that the cost-effectiveness of our products, coupled with our quality guarantees and excellent after-sale service, is making it easy and affordable for people to make water storage part of their water management plans at home and at work,’ says Darren. Contact Eco Tanks to find out how you can play your part in making South Africa a little more water wise. n

Eco Tanks T +27 (0)83 447 1488 E W Branches Cape Town 13 Costworth Crescent, Milnerton Racing Park Pretoria 57 Robyn Street, Klerksoord Pietermaritzburg 24a Shortts Retreat Road, Mkondeni East London 28 Osmond Road, Wilsonia

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2017/12/18 1:40 PM

Editorial: COLORPLUS® Textured Roofs

Photos by

The roof at the gatehouse and administrative building, Acorn Creek.

Acorn Creek goes Textured Acorn Creek is an upmarket residential estate under development in Somerset West, Cape Town. Developed by Multi Spectrum Property (MSP), Acorn Creek aims to offer exclusive residential opportunities within the rapidly expanding node on the Firgrove side of Somerset West abutting the N2. Detailed planning has ensured that residents will enjoy safety and tranquillity near a private school, a gym and retail facilities. Great emphasis has been placed on the environmental character of the development which also offers renewable energy options. It is at Acorn Creek that a brand new pre-painted steel roofing material will debut, expertly fashioned into the popular SAFLOK 700 and corrugated profiles by Safintra. Called COLORPLUS® Textured, the new material forms part of the SAFAL Steel product line-up and is proudly South African made at SAFAL’s plant in KZN. The metal substrate is based on aluminium-zinc coating technology as licenced to SAFAL by BIEC International Inc. It is available in coating masses AZ100, AZ150 and AZ200.

Unique paint system

SAFAL’s new COLORPLUS® Textured contains a revolutionary new paint system designed and supplied by the Beckers Group. According to information available from Beckers, its systems are designed to withstand the toughest indoor and outdoor conditions and possess many qualities required for high-end products. In addition, the upper surface of the product is textured and pleasing to the eye. It lends itself ideally to tile-profiled sheeting, in addition to the standard sheeting applications.

Game changer

Vincent den Ouden of Elegant Roofing comments that his company is handling the entire roof package for MSP. ‘This comprises of design and manufacture roof trusses, installation and certification of the roof structure, as well as installation of roof sheeting and waterproofing’, he adds.

The Acorns - COLORPLUS® Textured debuts in both SAFLOK 700 and corrugated profiles

‘When the samples of the new roofing material first landed on my desk, I knew from the beginning this was a game changer. I sought out a development where we can use the product and be the first to promote it with SAFAL Steel. Acorn Creek was an obvious choice and we immediately arranged for a meeting with developer, MSP. The meeting lasted a whole five minutes as the client was convinced of the new look and great product presented to them. The product speaks for itself and provides a new and exciting option to the market’. Elegant Roofing was awarded the contract for all the units and functional buildings at the development in specified colour Smoke Grey Textured. The material used is 0.47mm AZ150. Says Clint Africa, technical marketing manager for SAFAL STEEL: ‘Our new Textured range used at Acorn Creek is available in five colours and is suited for all roofing profiles – concealed seam, standing seam and corrugated. It is recommended for roofing pitches greater than 10 degrees and should be used at distances greater than 3km from the sea. ‘The COLORPLUS® range is growing and we have more exciting developments in the pipeline. Watch this space during 2018’, adds Africa.

Project Profile: Acorn Creek Developer: MSP Developments Main contractor: Power Group Architect: Dennis Moss Partnership Architects Roofing steel manufacturer: SAFAL Steel Roofing material supplier: Safintra Roofing contractor: Elegant Roofing


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Private House, Luzarches (France), photography : Jean Marc Pechart

Advertorial: Reynaers Aluminium

Design freedom combined with performance People are continuously looking for ways to maximise their space, visually as well as physically. The Concept Folding® 77 offers you the opportunity to optimise the use of your rooms, inviting nature into your home. Concept Folding® 77 combines high insulation and comfort with maximum transparency and aesthetics. This folding door system optimises your way of living by bringing your outdoor environment indoors, using the least space. This high-performance system offers different opening types, both inward and outward, to meet all possible requirements. Apart from the standard folding elements, CF 77 can feature a main door principle, in which the first leaf is used as an

entrance door without affecting the other folding leaves. CF 77 is available in four different threshold solutions, from high performance to low and even flush thresholds, to perfectly match all comfort and aesthetic requirements. The CF 77-concept can also be perfectly combined with the CS systems for windows, doors and curtain walls. CF 77 is available in Functional Slim-Line style – the CF 77-SL which features a slimmer visible profile width. n

4 different threshold solutions meeting functional needs and performance levels:

Flat Bottom

Low Threshold

Double Weather Seal

High Performance

Air tightness

Not applicable

Class 2

Class 2

Up to Class 4

Wind load resistance

Not applicable

Class B2

Class B2

Up to Class B3

Burglar Proof*





Water tightness

Not applicable

Class 4A (150 Pa)

Class 5A (200 Pa)

Up to Class 9A (600 Pa)

- Optimal accessibility - A esthetic bottom solution - Economical solution

- E asy passing (18 mm threshold) - Elementary AWW rating - Weather Seal

- Double Weather Seal - Suitable for renovation

- High Performance - Double Weather Seal - 3 different performance levels in one profile

*The burglar proof classification is in accordance with EN 1627-1630.

Affiliated member of:


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Private House, Luzarches (France), photography : Jean Marc Pechart

a “We wanted opened light room e up to natur us a that gives reedom.” feeling of f MPS MRS. DESCHA ier) (Owner-occup

our answer : CONCEPT FOLDING 77 | +27 11 570 1836 | Aluminium systems for Windows & Doors, Sliding Systems, Curtain Walls, Sunscreening and Solar integration.

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Together for better

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Project Feature: The Island Estate-Rooms with a View

Rooms with a view Situated on The Islands Estate is the latest completed project by up-and-coming Green Block Architects. This unique contemporary modern home is surrounded by the Magalies mountain range, Mother Nature herself and the estate’s boating canal. Designed by Lukas Meyer Jr from Green Block Architects and constructed by Lukas Meyer Sr from LJM Builders, this luxurious elongated 630m² doublestory home was given life by the dynamic father and son team. The team helped create the final layout which was open and free-flowing, allowing the surroundings to seep into the home and giving it a unique feel. The most practical and cost-effective construction methods were used to establish tranquillity and serenity as part of every room in the home.

An entertainer’s dream, yet still offering privacy The client’s brief was firm and clear: an open-plan entertainer’s dream home, but with privacy and practicality in each area of the home. The client had a vision of how her dream home should flow seamlessly from one space to the next. The home had to be practical and space should be designed creatively within the construction budget, with a hint of modernism to twist the traditional sense of


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how a home should work. The client also wanted an eye-catching design with a difference and with unrestricted views of the surrounding mountain range and boating canals. Orientating the home north on the elongated site facing east was no easy task since the client requested main focal points stretched out from east to west. The main entertainment block, consisting of the kitchen, dining area, living room, indoor braai area and covered entertainment patio, was sharply angled from the rest of the home. This allowed the sun to enter the home and naturally light the main areas all year round. The entertainment spaces are also able to open up to the outside at almost 270 degrees. Large folding stack doors of almost 3m high lead out to the private atrium pool area on the one side to link the main block with the boating canal on the other side. Beautifully designed large overhangs protect the home and its inhabitants against the harsh summer sun and simultaneously allow the winter sun to penetrate the rooms with natural heat. The orientation also makes the best of the impressive views of the nature and this is visible from every room.

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Project Feature: The Island Estate-Rooms with a View

Light and airy

The client also requested that the house be light and airy. With this in mind the home’s core became a double volume entrance hall and staircase. A 6m-tall window facing north offers double volume light which floods natural light into the rest of the house. No artificial light is needed at night coming from the two separate first-floor bedroom wings to the kitchen on the ground floor as the natural light and moonlight is more than sufficient. The staircase has a natural quartz stone finish that gives a gentle and soothing feeling underfoot and helps it to blend in with the surrounding walls. An impressive chandelier is the main focal point in the entrance hall. From the large pivot entrance door, one can see straight through the home to the boating canal as well as a small piece of the atrium pool area. This also connects the natural views and surroundings to the home right as you enter it. The guest bedroom is a separate living area and opens onto the atrium pool area. This space is

separate but still is part of the bigger flow pattern of the home. On the roof is a sundowner’s patio overlooking the north-western section of the Magalies mountain range: a perfect little private breakaway area for the family to relax and enjoy almost 270-degree views of the natural beauty surrounding this home. The same design principles were applied to the private main bedroom wing. The room opens on to the pool atrium on the one side with the superb view of the mountains greeting you as you wake up, and on the opposite side, opens to a private balcony overlooking the canal basin and water lock system. Even the large open-plan dressing room with open master bathroom has a view of the mountains as you soak-in the luxurious bath. Green Block architects and LJM Builders were not only able to create and construct the client’s perfect dream home, on time and in budget, but also delivered a product that is timeless, functional, clean, practical and in perfect harmony with its surroundings. n

Green Block Architects M +27 (0)83 535 5870 T +27 (0)12 244 3249 W

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Advertorial: Ambius

Plants help support business success The simple addition of greenery and vegetation to the workplace can make a positive difference to the performance, attention and productivity of employees.

A recent study, ‘The Relative Benefits of Green versus Lean Office Space’*, found that workers in green offices (those decorated with plants) were 15% more productive than those in a lean office (one with no plants). Improved air quality, better concentration and increased workplace satisfaction were added benefits. Creating a healthy and green environment in offices can thus pay huge dividends in terms of wellbeing, productivity and attention span; delivering a real return on a relatively small investment. Urban vegetation, especially low-hanging greenery, is effective at absorbing pollutants. Integrating green walls and green screens (desk dividers that are made from plants) can make a big difference to the indoor air quality of an office, as well as relieving some of the symptoms associated with sick building syndrome (SBS). Indoor plants should be carefully considered by architects, designers and those in the construction field who want their projects to be green rated. The GBCSA’s Green Star SA rating tools include a suite of 10 certifications including tools for commercial, residential and public-sector buildings. Rating tool categories include water, materials, emissions and Indoor Environment Quality (IEQ) - the conditions inside the building which include air quality, access to daylight and views, pleasant acoustic conditions and occupant control over lighting and thermal comfort.

Indoor plants improve the quality of the indoor air by filtering out volatile organic compounds (VOC’s) which are thought to lead directly to several chronic complaints including asthma and headaches*. Plants can also reverse some of the toxicity caused by pollutants by absorbing and degrading VOCs, carbon dioxide (CO2), nitrogen and sulphur oxides. Plants have been shown to absorb noise specifically at high frequencies, and plants with small leaves are more useful as they scatter and diffuse sound. Green screens can be effective at absorbing loud sounds, resulting in a 50%-75% reduction in perceived sound reported. ** ‘Working closely with our clients, Ambius will source and install interior pots and plants to suit our clients’ needs’, says Marketing Communications Manager, Nathalie Leblond. ‘We also take care of the plants’ maintenance and are able to tailor our visits around the operational requirements of a busy workplace’. Ambius is a division of Rentokil Initial. The Rentokil Initial group specialises in pest control, hygiene services and interior landscaping for businesses across the globe. Ambius is a division of Rentokil Initial internationally and is the global leader at enriching workplaces using interior plants. n Sources * ** Mobilane (2011). Architect’s specification file. *Data refers to NoiStop acoustic screen installed according to manufacturer’s specifications

Ambius (a division of Rentokil Initial) T +27 (0)800 752 687 E W


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Project Feature: Rahima Moosa Hospital Extension

Rahima Moosa Hospital extension This extension to an existing public hospital focusses design attention on the most public areas and renders the building façade a public artwork. The Rahima Moosa Mother and Child Hospital is situated in the sprawling suburban landscape of Coronationville, an apartheid neighbourhood laid out to house Johannesburg’s mixed-race inhabitants. The extension is for the Empilweni Services and Research Unit (ESRU), a paediatric research unit embedded in the Faculty of Health Sciences at the University of the Witwatersrand, leading the partnership with the University and the Department of Health at the hospital. The new addition was designed as a ‘clone’ of one of the original three-storey blocks at the back of the hospital, thereby continuing the original pattern

of blocks joined by perpendicular links. Originally designed by Gordon Leith, the unassuming brick buildings display fine proportions and details despite being worn. By taking the radical decision to copy an existing building, the design effort could be directed towards the structure linking the new block to its older sibling. The resultant H-shaped footprint generates two courtyards – one to welcome patients, the other a safe playground and waiting area for children and parents. The emphasis on the public spaces provides a strong commitment to the public life of the hospital, making it welcoming and playful.

Photos by David Southwood


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Project Feature: Rahima Moosa Hospital Extension

‘The architecture and design has created a working space that has lifted the spirits of people who have all too often been used to working in overcrowded and dull areas in the public health sphere with no regard for beauty and elegance that this building displays,’ comments Prof Ashraf Coovadia of the ESRU, Rahima Moosa Hospital. n

Tiling as art

Instead of spending donor funding that is unlikely to be replenished on maintaining the building, it was decided to tile the façade of the link structure. In collaboration with artist Lorenzo Nassimbeni, a tiling pattern was developed, reflecting the layered suburban landscape in which the building stands. Common white and black tiles are laid out and interspersed with precious metal mosaics which allude to the history of gold in Johannesburg and to the attribution of value to the public hospital. By keeping the artwork abstract, multiple interpretations are possible, from a landscape to a woven fabric to a heartbeat. Even though the neighbouring blocks are in very close proximity to the linking structure, the tiling of its façade provides each adjacent office with a different view onto the artwork, with the changing light making the tiles blink and shine. Despite the tight conditions under which our client originally operated, we experienced the ESRU team as extremely open, friendly and welcoming. This was so inspiring that we hoped to somehow carry this atmosphere through into the spaces of the new building.

PROJECT DETAILS Architects: 26’10 south Architects Project team – architects: Paul Devenish, Thorsten Deckler, Anne Graupner, Isabel van Wyk-de Gouveia, Nicci Labuschagne, Kegan Stokes, Shani Fakir, Carlo van Aardt, Matthew Leichti, Romeo Banza, Christine Brand Structural engineers: SKCM Engineers Mechanical engineers: Acend Consulting Engineers Electrical engineers: OneZero Consulting Quantity surveyor: KDMQS Consultants/Other specialists: Lorenzo Nassimbeni (artist for façade), D.ash Design Construction and Beautification (tile work), Union Tiles (supplier of tiles), Corobrik (supplier of bricks) Heritage: MayatHart Architects Contractor: Dryden Construction

26’10 south Architects T +27 (0)11 830 0220 E W

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Project Feature: Alice Lane 3

Adding a ‘green lung’ to Sandton commercial centre The development of Alice Lane 3 allowed architecture, interior design and space-planning practice Paragon to contribute to a much-needed ‘green lung’ in the heart of Sandton’s shopping precinct. The project was completed by property developer Abland in May, with The Pivotal Fund Ltd as the owner. The project attained a Green Star Office V1 Design Rating v1 Achieved rating from the Green Building Council of South Africa. Its ‘green’ features include energy-efficient lighting and air-conditioning systems, with a design that maximises the use of daylighting and good views. Alice Lane 3 is an office building located on the corner of Alice Lane and Fifth Street in Sandton’s commercial centre, forming part of the R1-billion Alice Lane mixed-use development which includes easy access to the Sandton Gautrain station, as well as various malls, hotels and offices.


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It was designed around an office anchor tenant, but includes showrooms, retail elements and concept stores on the ground floor, which will interact with the piazza. Alice Lane 1 tenants include Marsh, Bloomberg, Standard Bank and Virgin Active’s flagship gym, while Alice Lane 2 accommodates Sanlam and Santam.

Bringing sunlight into the public space Paragon architects had already designed two of the three buildings around the future piazza, which created a canvas from which to work. Founding Director Anthony Orelowitz points out: ‘Working with generated site line analyses and sun studies, the conceptual design chiselled away at the sculptural

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Project Feature: Alice Lane 3

forms to generate refined massing and bring sunlight into the public space, essentially using sunlight to chisel form.’ ‘From the outset, Paragon was aware of the requirement of cellular office space for Bowmans’, Orelowitz comments. To ensure that all offices were exposed to natural light, two wings were generated so that external offices and internal offices were exposed equally, thus ensuring that every office is a perimeter office. While this building is much higher than Alice Lane 1 and 2, a common design language binds the three. However, each building highlights different materials. Unitised aluminium panels are the dominant material in Alice Lane 1, while Alice Lane 3 focuses on glass. ‘The glazing not only expresses the latest glass technology, but is an expression in terms of light and dark, and day and night experiences,’ Orelowitz elaborates. Four different types of glass were used on the project, with the main characteristics being a lower U-value and a reduced solar absorption percentage. This relates to a lower glass-surface temperature which, in turn, means a lower radiant temperature. The volumes of Alice Lane 2 are slightly different to Alice Lane 3 in that it accommodates both Sanlam and Santam offices, so two curvaceous forms are separated by an atrium to express both companies, yet linking them at the same time. Dubbed ‘Tall Alice’, Alice Lane 3 was designed with absolute consideration for Bowmans as the end user. Law firms typically have a higher office-to-floor-plate ratio. In addition to the office density, each unit also needed views and windows. ‘Hence, we had to design a sculptural external element that was practical to the client’s internal

operation,’ Orelowitz explains. Therefore, the H-shaped building allows more peripheral space for views and windows.

Dramatic central atrium

It is pulled together by a dramatic central atrium fed from the two cores (north and south). This separation of the two office plates also allows for easy subdivision by the developer which can lease individual floors or portions thereof as a result. The project also showcased Paragon’s extensive use of Revit and Rhino modelling software. The entire professional team was encouraged to work on the former to aid the coordination process. Working and managing the Revit models from all the various disciplines made for a smoother flow of information and easier clash detection. This streamlined the documentation time, boosting productivity and reducing the quantity of rework. ‘The consistent use of parametric modelling allowed for easy control of elements, and the ability to change or update design elements fairly quickly,’ Orelowitz says. n

Professional team Electrical engineer: Taemane Consulting Mechanical engineer: C3 Consulting Engineers Landscape architect: The Ochre Office Quantity surveyor: Quanticast Structural engineer: L&S Consulting Wet services: MG Building Services Main contractor: WBHO

Paragon Group T +27 (0)11 482 3781 E

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2017/12/18 1:58 PM

Advertorial: Shuttle Lighting

Shuttle Dimmer Module

Shuttle Dimmers - adding to the art and architecture of a beautiful environment Lighting is an important factor for architects, designers and builders. Value can be added to homes, institutions, public spaces, commercial areas, cultural facilities and working spaces using light and light control which offers endless opportunities for artistry and design.

The perfect lighting control solution, Shuttle’s dimmers are recommended by all leading LED manufacturers, are 100% silent and provide smooth dimming. Shuttle’s distinctive dimmers are flicker free, can dim to the lowest point and have multi-zone capacity. Other advantages include: • Compatible with leading switch manufacturers • Suitable for one-way or two-way operation • Added surge protection • Minimum load is one lamp • Locally manufactured under ISO conditions • SABS/NRCS approved, complies with EU CE, RoHS and Hazardous Materials directives, Australian SAA, RMA and C-tick requirements and ICASA mandatory requirements for conducted and radiated emissions

Reducing temperatures has a profound positive effect on the expected LED module lifetime and is a lot more energy-efficient, resulting in significant savings.

Meet energy requirements, reduce costs, get beautiful light

Beautiful light Light levels affect our moods, health, productivity, concentration, sleep cycles and our ability to make decisions. Shuttle dimmers are ideal for applications that demand the ability to dim lights and even groups of lights within the same room to create an optimal ambiance.

Reduce costs Added to their long operational life, when a LED is dimmed the current through the module reduces and the junction temperature reduces proportionately too.

Ask manufacturers about compatibility

Energy requirements Dimmable LEDs provide the best quality of light and achieve energy efficiencies of up to 80%, dramatically reducing energy and maintenance costs.

Most established lighting and dimming brands publish compatibility data on their websites. Dimmer modules are tested with various loads and the lamp performance graded. These grades are a useful reference point and can help when choosing a dimmer. Shuttle Lighting’s compatibility data with minimum and maximum loads for over 60 LED brands can be found on their website under ‘Resources’.

Shuttle Lighting T +27 (0)21 448 8229 E W



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Project Feature: Moolman Residence

Moolman Residence, Somerset West, 2AD Space Architects Inc. The Moolman Residence is a worthy case study of high-end residential architecture as it responds to a client with a noble mind-set. Here the usual brief, consisting of a long list of accommodation intended to impress, was replaced by a desire to focus on the inherent quality of the space. The brief called for a simple, secure and elegant dwelling with an emphasis on craftsmanship.

In response, the accommodation provided is sufficient to serve the actual day-to-day lifestyle requirements of the client. This is refreshing in a market that often over-caters to capitalize on perceived future market value, resulting in unnecessarily large and unsustainable homes. The Moolman Residence consists of three levels: the garage, store- and plant-rooms are in the basement, the living spaces and guest room on the middle level, with the main bedroom and study (or third bedroom) on the upper level. All effort and expense were focussed on creating the best possible quality of space, resulting in a


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minimal yet luxurious home. The main open-plan living space is conceptualised as one space delineated by stone-clad blocks into its various functions of kitchen, living and dining room. This approach has resulted in a tailor-made, crafted space which requires very few loose furnishings to be complete and functional. As security was a primary concern, the house was placed on its sloping site to cantilever over the indigenous garden to make unauthorized access from below virtually impossible. Furthermore, the three levels of the residence are linked internally only via the lift, which can be locked to the top floor for security. Formally, the three floors of the residence pivot on

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Project Feature: Moolman Residence

the vertical lift shaft to maximise the site’s panoramic views. The visual scale of the residence is reduced by decreasing the prominence of the basement and emphasising the two upper floors by means of the surface finishes used. The bright white plaster and extensive glazing is in stark contrast to the rustic grey finish of the basement. The dynamic shapes of the upper floors are further emphasised by a single unbroken line that curves and wraps around three of the home’s elevations. The Moolman Residence is a successful piece of architecture because it provides its inhabitants with only those spaces that their day-to-day lifestyle requires; all unnecessary accommodation has been omitted in favour of a smaller set of highly detailed, intelligently designed spaces. n

2AD Space Architects Inc. T +27 (0)21 855 0787 GF +27 (0)21 855 0785 W

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Editorial: Harbour Development

Above: New terminal area, partly under construction in late 2017. Above right: The MS Nautica embarks passengers from the Cruise Terminal.

Cruise Terminal refurbishment – Cape Town Harbour Photos and text by Gareth Griffiths In December 2015, the Transnet National Ports Authority awarded operation of the Terminal to the V&A Waterfront, following a successful terminal operator tender bid by the latter. The V&A Waterfront now has a 20-year Terminal Operator Agreement (TOA) covering both the 23 407m2 land and building area, as well as phased upgrades of the 8 292m2 building. The existing portion of the building housing the Cruise Terminal was upgraded by the V&A Waterfront in time for the 2015/16 cruise season, and measures 4 777m². The V&A Waterfront will have invested R50-million in upgrades to the former facility by the time the project is launched to the media early in 2018. This includes a facade upgrade to ensure that the Cruise Terminal can match international standards. ‘The two floors immediately above the terminal portion remained largely untouched and shortly will host a retail area consisting of restaurant and events space,’ says Cruise Terminal Manager, Michael Thomas. An exciting development is the relocation of Cape Town harbour’s iconic restaurant, Panama Jacks, to the new terminal building. Renowned for its quirky and informal style, Panama Jacks will be in an extensive modern space above the terminal facility in the refurbished building. ‘The facility offers all the services one would expect at an international airport – including baggage handling, immigration and customs,’ says Thomas. ‘There are also plans for a duty-free shopping area in the pipeline’.


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According to V&A Waterfront’s planning and development official, Mike Brokenshire, the Cruise Terminal occupies a legacy building dating back to the 1960’s and it well suited to its function. Its extension on the North side used to house a sophisticated fruit cooling and loading area for ships that was unfortunately never fully used owing to the advent of containerized shipping. Nonetheless, it is an impressive warehouse building offering floor area potential of more than 23 000m2. It has been used by the film industry for the shooting of commercial vehicle advertisements. During the 2016/2017 season, the terminal received a total of 50 vessels and processed 67 737 passengers, including approximately 14 414 crew members who are tourists when they arrive in Cape Town. The projections for the 2017-2018 season are 70 000 passengers. During a recent site visit by SA BUILDING REVIEW’S technical editor, the cruise ship MS Nautica was busy embarking passengers for an offshore cruise in South African waters. The arriving passengers and visitors will have immediate access to the Silo District of the V&A Waterfront by way of an already-developed footway when they disembark. Access to the remainder of the V&A Waterfront with its extensive restaurants, cultural hubs and retail facilities will be an easy walk away. n

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Advertorial: APIGIS

Professional indemnity solutions for architects The Architectural Professional Indemnity Group Insurance Scheme (APIGIS), registered in 1999, is a group insurance scheme providing professional indemnity insurance solutions for the architectural profession in South Africa. The success of the APIGIS PI Scheme can be attributed to its responsiveness to statutory and organisational changes, new directions and inter-relationship between professionals within the built environment. The APIGIS trust essentially provides architects with access to competitive rates, collective bargaining power and effective interaction with insurers.

Legal advice: Pertinent and limited legal advice is available to members via the scheme managers.

Why choose APIGIS?

An agreement must be in place, setting out: • The service being provided • The required deliverables • The remuneration Instructions and key events must be recorded in writing so that it can be tracked.

• Tailored to the needs of the architectural professions • Competitively priced • Responsive to changes in the industry • Endorsed by the South African Institute of Architects • Overseen by professionals in the building industry • Channels open for communication with insurers


One of the benefits of being a member of a regional architectural institute is to qualify to obtain professional indemnity through APIGIS. The scheme provides additional benefits at no cost to members of the scheme which is added to the standard PI cover. These benefits include the following: Run-off cover: Contribution to the run-off cover is required for retired practitioners who have been members of APIGIS for the preceding three years (50% towards the minimum cover premium for the 2nd and 3rd years of run-off cover). However, it remains the practitioner’s responsibility to claim the amount from APIGIS. Contribution to excess payment in the event of a claim: Should an excess be payable, the APIGIS Trust will, under good housekeeping conditions, contribute 50% of the payments (up to R50 000) if the practice is insured with APIGIS. It once again remains the practitioner’s responsibility to claim the amount from APIGIS.

What is regarded as good housekeeping?

Disclaimer: Specific benefits are only available to APIGIS policy holders who comply with the full criteria of eligibility of the scheme. The Trust/Trustees will not be held responsible for non-payment of additional benefits to practices that were not eligible for participation in the scheme and/or due to the scheme managers not verifying their eligibility before issuing of the policy.

Why do you need professional indemnity? According to the Architectural Professional Act (Act 44 of 2000), each individual practicing architecture, be it as an architect, architectural technologist or draughtsman, must be registered with the South African Council for the Architectural Profession. As with every profession, registered architectural professionals adhere to the Code of Professional Conduct (Board Notice 154 of 2009) wherein it stipulates: A registered person shall only undertake to perform architectural work where the registered person has clearly set out the terms of the appointment, which inter alia include ‘details of the professional indemnity insurance’. n

APIGIS General E Managing Trustee: Ronald Remmers T +27 (0)72 210 7024/+27 (0)12 325 2906 E Trust Administrator: Annie Godfrey T +27 (0)71 363 3617 E W


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Project feature: CCA House

CCA House CCA House is wonderful example of a building that in its essence is informed by both memory and context yet, in its outer appearance, one would never expect this. Striking in its dark colour and angled composition, the house is a renovation and still retains much of the layout and geometry that was the original homestead, a grand old faux-Tudor styled building that was built at an awkward angle across the site. The position, extent and layout of the new house design was then further informed by the established garden bank and mature trees and the existing pool (that had been added later) was retained.




A balance between acknowledgment of context and memory and having an identity of its own that writes a new future for the site.


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Project feature: CCA House

The palette is a balance of bold, minimal new materials and the natural warmth and texture of timber and stone. The relationship of the interior and exterior spaces to the views plays a very important role in how the house is experienced; from a vista of the Atlantic Ocean and Twelve Apostles mountain range, to perfectly framed views of the cable way, Lions Head, the trees in the garden, the verdant planted retaining bank; the views are big, small, focused, considered and diverse. The choice of the dark colour as base palette

was a courageous leap of faith by the owners and their architectural team and has set a benchmark for progressive aesthetic architectural statements. The black building makes a strong statement from the street, but amazingly seems to blend into the landscape that surrounds it; it becomes the perfect foil for the green of the planting, the golden hues of the timber and the light that plays on the facade from all angles. Strong bold colours, lines and forms balance each other to create a sophisticated architectural and interior statement. n

Greg Wright Architects T +27 (0)21 465 9775 E W



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All wooden structures are manufactured according to SABS standards, by our factory in Cape Town. Our clients can choose from different designs that will suit their needs and requirements. During the manufacturing process we only use high quality wood products that are able to withstand the extreme African weather conditions. We are confident in our craftsmanship and offer a guarantee on all our wooden products. All our timber is Tanalith treated SA Pine and is guaranteed for 25-50 years We have recently expanded to manufacture our products for the global market All products are shipped in panels for easy assembly, Including accessories and step-by-step manuals We are proud members of the National Home Builders Registration Council

At Pinecore we are passionate about beautiful construction


7 Keysers Road, Retreat Industria, 7945 T +27 (0)21 712 9330 The Pinecore House Houses and Developments Fencing, decks and verandas Bungalows and Wendy Houses


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Advertorial: T&B Log Homes

Changing the face of DIY timber home construction in South Africa Global trends have changed dramatically over the last decade and DIY has become the ‘in thing’ when it comes to home building, not only because of soaring demands for housing and increased contractors’ costs of construction, but also because of the ‘feel good’ effect of building your own home. It’s human instinct to create shelter for ourselves. Man has been building their own homes and shelters as protection from the elements long before any building contractors arrived on the scene. Not so long ago it was only a few mad hatters who built their homes on a shoestring budget, scraping together recovered materials from demolition sites, modifying shipping containers or using bottles, straw, sand bags and just about anything they could lay their hands on. Things have become a lot more formalised in the DIY home building sector, with timber being the first choice as a construction medium. Timber is inherently environmentally friendly, a renewable resource, light and forgiving to work with and has excellent thermal and aesthetic qualities. ‘Those initial DIY homes, although built with some impressive “boer maak ‘n plan” ingenuity, in many cases defied the laws of structural engineering and were mostly non-compliant with acceptable legislative standards, rendering them full-time maintenance projects. I say this broadly as some were built well and will certainly stand the test of


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time,” says Dave Simpson, Director of T&B Log Homes. ‘Kit-type homes have been around for ages, however, because of the increased demand, suppliers have really started to refine their products and service offering, making it much easier and quicker for the ordinary individual with little carpentry or construction experience to build their own homes,’ he adds. So, what is a true DIY kit home? At T&B Log Homes, we believe that in whatever shape or form, a DIY kit home should at least comprise of the following basic characteristics: 1. Supplied in such a way that erection is a function of assembly as opposed to construction. 2. The materials must be supplied with a complete set of plans on how to assemble the house. 3. Construction components should be premanufactured to the correct size, shape and profile. 4. All pre-manufactured components should be clearly marked and labelled with reference back to the assembly plans. 5. Components should be able to be manhandled without the use of heavy lifting equipment.

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Advertorial: T&B Log Homes

6. Assembly equipment and machinery should be limited to basic hand tools and DIY appliances. 7. Structural design elements such as suspended floors, walls and roofs should be independently ratified by a structural engineer. 8. The kit must be compliant with national building regulations. 9. The timber components supplied must be treated with a preservative in accordance with SANS requirements applicable for region, use or application. 10. The supplier should offer technical support as part of the supply agreement ‘There is also a historical misconception that premanufactured kit-type homes are of inferior quality, lack flexibility in design and are limiting in terms of modern trends and aesthetics. This is most definitely not the case at all,’ says Simpson. T&B Log Homes have been in the business of timber pre-manufacturing and construction of kit homes for over 35 years, continually evolving its products and services to keep abreast of modern trends and finishes. The company has supplied well over 1 000 kits to over 30 countries, not only for the construction of

private homes but also for use in the construction of hotels, resorts and lodges. ‘All our clients are just as important as the next and the DIY home builder has the benefit of our extensive experience and expertise,’ says Simpson. ‘We offer a whole range of designs and products and are happy to modify or custom design, sharing the services of our in-house design office to suit the application or requirements. Most kits consist primarily of just a primary structure, but we can also supply a comprehensive turnkey solution, right down to the kitchen sink and even the interior décor if required,’ he adds. Most of the company’s kit systems for DIY applications, most notably the REVO system, offer a primary system that is suitable and compliant to use as-is, but also provides a ‘blank canvas’ on which the DIY enthusiast can embellish to his or her hearts content over time. ‘DIY home building is most certainly more economical should one have the time and inclination. Besides the potential cost saving, the sense of self satisfaction and achievement in building your own home is immeasurable,’ comments Simpson. n

T&B Log Homes T +27 (0)44 302 4500 F +27 (0)44 382 5424 E (Ben) (Tarryn) W

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Our structures are used at • Office blocks • Residential homes • Airports • Schools, day care facilities • Play grounds • Carwash facilities • Sports fields

Shade Port Systems is a leader in commercial custom outdoor design and fabrication. Our core business is the manufacture, supply and erection of shade net carports used to protect motor vehicles against sun and hail.







25 Years



We offer a full design, supply and installation service


Our standard shade ports are constructed from a tubular mild steel framework. The structure is covered with knitted polyethylene net which is sewn together in accordance with SABS standards. The net is fixed to the frame using a galvanised steel cable or pipe surround. All steelwork is primed and painted with industrial enamel in a colour of your choice.

The shade net is available in variety of colours for you to choose from

Our shade ports require little or no maintenance In the event of damage from extreme weather conditions, the shade net can be replaced cost effectively.

Toll free number : 0800 11 7737 Tel – office : 012 250 3200 Cell : 082 652 2065 Email :


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ASBESTOS REMOVALS Western Cape Asbestos Removals with 19 years experience, specializes in Demolition of asbestos containing material. Safe Removal, Transport and disposal of all types of Asbestos roofing, Rainwater goods, Ceilings and more. We are a Registered Asbestos Contractor with Department of Labour RAC2017/OHH/CI-07.

Tel: 021 949 9784 / Fax: 0866 528 141 Cell: 083 463 8100

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advertisers’ index a.b.e. Construction Chemicals.......................... 108 Advanced Fire Suppression Technologies............ 86 Afrisam................................................................. 33 Ambius............................................................... 157 AMS.................................................................... 123 APIGIS................................................................. 174 Ash & Lacy............................................................. 7 Autodesk.............................................................. 47 Bayer.................................................................. 137 BBF Safety........................................................... 151 Belgotex Floors..................................................... 77 Blue Scope Steel.................................................. 89 Boomgate Systems.............................................. 49 Bosch................................................................... 35 Cannata & Sons................................................... 61 Centurion Systems................................................ 94 Clearviz Design Architects.................................. 167 Clotan Steel......................................................... 26 Corroshield Fasteners......................................... 130 Coverland................................ 17, 53, 70, 100, 171 Crystalite Bathtubs & Vanities............................... 76 Decorex SA........................................................ 182 Den Braven Sealants............................................ 64 Douglas Jones................................................... 175 Eagle Lighting.................................................... 179 Eco Tanks........................................................... 148 Egoli Gas............................................................ 124 Elmich................................................................ 160 Federale Stene.................................................. 141 Fourways Airconditioning........................................ 5 Geberit SA...................................................... 38, 58 Gunnebo........................................................... 143 Hansgrohe South Africa........................................ 93 Institute for Timber Construction South Africa........................................................ 162

Interbuild Africa.................................................. 134 Invincible Valves................................................. 192 Isover Saint-Gobain............................................ 113 Janes Roofs.......................................................... 54 Jeanette Philips Interior Design........................... 183 Lambdabord..................................................... 191 Liebherr................................................................ 11 Lumotech............................................................ 13 Mapei................................................................ 185 Marley Pipe Systems............................................... 9 Maxiflex.............................................................. 119 Pelican Systems................................................... 71 Pinecore............................................................. 178 PPC...................................................................... 43 Renico Plant Hire................................................ 173 Reynaers Aluminium........................................... 153 RLB Pentad......................................................... 115 Safal Steel............................................................ 55 Safintra Roofing...................................................... 1 Shadeport Systems............................................. 184 Shuttle Lighting................................................... 166 Sika....................................................................... 29 Solar Ray.............................................................. 21 South African Wood Preserves Association........... 72 Style Décor......................................................... 170 Swartland........................................................... 126 T&B Log Homes.................................................. 180 Terraforce............................................................. 62 TDM.................................................................... 163 Toshiba Airconditioning........................................ 24 Uretek Geo Systems........................................... 104 Weber Saint-Gobain............................................. 81 Youngman Roofing............................................ 145

To advertise or have your project featured in our next edition, please contact the editor on




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If it’s not Inval®, it’s not Invincible Invincible Valves (Pty) Ltd T +27 (0) 11 822 1777 | E | W


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