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WIN TONS OF CASH PRIZES. 1

BUY 3 BAGS OF AFRISAM ALL PURPOSE CEMENT

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TAKE A PHOTO OF YOUR TILL SLIP AND RETAIN FOR REDEMPTION OF YOUR PRIZE

SEND YOUR PHOTO VIA WHATSAPP TO 060 338 8293

MORE DETAILS ON PACK, IN STORE OR AT WWW.AFRISAM.COM Ts & Cs apply. www.afrisam.com/news/promotions. Competition closes 31 October 2017. Standard network and data charges apply. ProofT&Cs of purchase must be presented forOctober redemption prizes. Call 011 504 27Charges for queries. apply. Competition closes 31 2017.ofStandard Network & 00 Data apply. Proof of purchase must be presented for redemption of prizes.

Creating Concrete Possibilities


Proprietor and Publisher: PROMECH PUBLISHING Tel: (011) 781-1401 Fax: (011) 781-1403 E-mail: skillsonsite@promech.co.za Contributor: Liesl Venter Printed by: Typo Printers, Tel: (011) 402-3468/9 FSC (Forestry Stewardship Accreditation)

Acknowledgements

Please contact Sharon Haarhoff on Tel: (011) 781-1401 or Email: skillsonsite@promech.co.za for all your advertising needs

In order to bring you the most up-to-date information from around the globe, we make use of many information sources including one-on-one interviews, press releases, training material and relevant websites.

www.promech.co.za Promech Publishing has a BEE rating of 125%

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Yuneal Padayachy, Deputy Director BBBEE Procurement Transformation & Verification

Harry Van Huyssteen from Transport Forum

Prof Douglas Boateng from Pan Avest

Matlhodi Senyatsi from Department of Transport

Tony d’Almeida from SAAFF

Donnee Kruger from TIKZN

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Rebecca Setino from Bombadier and Dennis Mlambo DENEL with AWISCA Founder Lebogang Letsoalo

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Top performance with Vibration Control. Bosch GWS 26-230 B Angle Grinder The Bosch GWS 26-230 B angle grinder with double-sealed ball bearings and the especially sturdy gearing guarantee a long lifetime. The powerful 2600 W motor with maximum reserves of power ensures greatest material removal and fastest work progress and an auxiliary handle with Vibration Control for fatigue-free working.

Bosch Professional Power Tools SA

@BoschPro_SA

boschpro_SA

www.bosch-pt.com


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Jessi Sunkel

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Diana van der Westhuizen


Anel Booysen

Madaleen van den Berg

Carina Nel

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PALIFENCE NEW

WELD FREE PALISADE WELDED MESH •Save on transport •Ease of assembly •Save on storage •Follows surface contours •Installed, DIY, Trade

•Good viewing visibility •Complete system •Longevity – Zincalu or Zincalu and plastic coated •Secure and discrete POOL

FENCING

High Security Welded Mesh Palisade Gates Gate Automation Electric Fencing and more…

MARK: 083 454 6488 14

Skills on Site

HEIDI: 083 334 4835

www.palifence.co.za August/September 2017


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an indication of independent, 3 party testing. • The nature of LED performance claims being made cannot usually be validated by buyers, whether they be resellers, electrical contractors or users - until it’s too late.

Africa does not allow much credible reference to be made to local testing and regulatory authority that will comfort buyers and specifiers. For more information, please consult the SAFEhouse LED lighting guide available to download free at www.safehousesa.co.za

SAFEhouse members have signed a code of conduct: Your assurance of commitment to offer only safe electrical products

SAFEhouse guidelines: What can you do? TM

Suppliers you can trust The SAFEhouse code of conduct includes: • To offer only products that are safe

• Purchase brands you can trust and satisfy yourself about the manufacturing source • Lamps should be marked with at least the following information. If it is absent, be suspicious: • Mark of origin or manufacturer’s name • Rated Voltage (V) • Rated Wattage (W) • Frequency (Hz) • Be cautious about prices that are materially below the prices of other, similar products. Substantially lower prices are often indicators of poor quality. • Be cautious about accepting performance claims, whether verbal or on packaging. • Look for obvious signs of inferior quality in workmanship and materials. • If in doubt, contact SAFEhouse for possible assistance.

• To advise customers if any of their sold products fail this undertaking • To recall unsafe products • To replace unsafe products or render them safe The SAFEhouse Association is a non-profit, industry organisation committed to the fight against sub-standard, unsafe electrical products.

As at 02/02/2016

For more information contact: Pierre Nothard Cell: 083 414 4980 Tel: 011 396 8140 | Email: pierren@safehousesa.co.za

www.safehousesa.co.za

A MEMBER OF THE Hudaco GROUP


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IGNORANCE CAN BE COSTLY! There is a good deal of confusion and misunderstanding about technical and performance aspects of electrical products and services, and their regulation. The SAFEhouse Association has produced a series of guides to help specifiers, suppliers and users determine the standards and regulatory requirements applicable to electrical products and services covered by legislation. Guides contain helpful information on: • Regulatory references & requirements • Technology •

Indications of risk in using substandard products and services

Download FREE copies of SAFEhouse guides from

www.safehousesa.co.za

The SAFEhouse

The SAFEhouse

The SAFEhouse

Guide to Electric

Guide to

Guide to Surge

Cables

Luminaires

Protection

Tel: +27 11 396 8140 info@safehousesa.co.za www.safehousesa.co.za

Tel: +27 11 396 8140 info@safehousesa.co.za www.safehousesa.co.za

Tel: +27 11 396 8140 info@safehousesa.co.za www.safehousesa.co.za

A SAFEhouse Guide to LED Lighting

Tel: +27 11 396 8140 info@safehousesa.co.za www.safehousesa.co.za

A SAFEhouse Guide to

Miniature Circuit Breakers

– Part 1

A SAFEhouse Guide to the Regulation of Electrical Products

Tel: +27 11 396 8140 info@safehousesa.co.za www.safehousesa.co.za

Tel: +27 11 396 8140 info@safehousesa.co.za www.safehousesa.co.za

SAFEhouse members have signed a code of conduct: Your assurance of commitment to offer only safe electrical products. SAFEhouse membership is suppliers’ assurance to customers of responsible behaviour and of customers’ safety as a priority. SAFEhouse members regulate themselves. SAFEhouse is primarily a communications association that informs customers of safety requirements and occurrences of non-compliance with such requirements.

The SAFEhouse Association is a non-profit, industry organisation committed to the fight against sub-standard, unsafe electrical products.

As at 26/01/2017

For more information contact: Barry O’Leary: Tel: 011 396 8251 | Email: barry.oleary@safehousesa.co.za Pierre Nothard: Tel: 011 396 8140 | Email: pierren@safehousesa.co.za

www.safehousesa.co.za

A MEMBER OF THE

Hudaco

GROUP


Aspasa’s technical committee is in the process of compiling standards for improved classification of aggregates in the building industry. The committee are front: Luthando Mkhize, Nico Pienaar and Saartjie Duvenhage. Back: Rynard Brits, Danny de Villiers, Abri Erasmus, Ray Bonza, Zain Babamia and Sasheen Rajkumar

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FACTS

about

LED Lamps A relatively new technology, LED lighting is fertile ground for unscrupulous and opportunistic suppliers to capitalise on the absence of a compulsory local standard for LED lamps and to make performance claims that will not be met, mostly around lifespan and power-consumption.

Some facts:

Some consequences:

• There are no compulsory local standards for LED lamps • There are two standards that may be applied voluntarily by suppliers and specifiers: SANS 62560: South African National Standards IEC 62560: International Electrotechnical Commision There appear to be very few products that are certified against these standards. • The “CE” mark appears on many products. This is a manufacturer’s claim to a certain quality standard. It is not an indication of independent, 3rd party testing. • The nature of LED performance claims being made cannot usually be validated by buyers, whether they be resellers, electrical contractors or users - until it’s too late.

• The absence of compulsory standards can result in incompatible dimensions between fittings and lamps from different suppliers - a performance and safety risk to users. • The technology of an LED lamp and its heat-generation encourage shortcuts that compromise insulation in favour of heat dissipation - a safety risk to users. • Plastic parts are a manufacturer’s cost-saving opportunity. Inferior material will affect heat- and flame-resistance. • The low volume of certified testing of LED lamps in South Africa does not allow much credible reference to be made to local testing and regulatory authority that will comfort buyers and specifiers. For more information, please consult the SAFEhouse LED lighting guide available to download free at www.safehousesa.co.za

SAFEhouse members have signed a code of conduct: Your assurance of commitment to offer only safe electrical products

SAFEhouse guidelines: What can you do? TM

Suppliers you can trust The SAFEhouse code of conduct includes: • To offer only products that are safe

• Purchase brands you can trust and satisfy yourself about the manufacturing source • Lamps should be marked with at least the following information. If it is absent, be suspicious: • Mark of origin or manufacturer’s name • Rated Voltage (V) • Rated Wattage (W) • Frequency (Hz) • Be cautious about prices that are materially below the prices of other, similar products. Substantially lower prices are often indicators of poor quality. • Be cautious about accepting performance claims, whether verbal or on packaging. • Look for obvious signs of inferior quality in workmanship and materials. • If in doubt, contact SAFEhouse for possible assistance.

• To advise customers if any of their sold products fail this undertaking • To recall unsafe products • To replace unsafe products or render them safe The SAFEhouse Association is a non-profit, industry organisation committed to the fight against sub-standard, unsafe electrical products.

As at 02/02/2016

For more information contact: Pierre Nothard Cell: 083 414 4980 Tel: 011 396 8140 | Email: pierren@safehousesa.co.za

www.safehousesa.co.za

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A MEMBER OF THE

Hudaco

GROUP


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havas 15030/E

1

DOWN 2

1. The formula p=m•v is used to calculate. 2. The SI Unit for Pascals (the derived unit to quantify internal pressure).

3

3. The letter S in S=d/t is used to notate which scalar quantity?

4

4. Formula for the volume of a cube.

5

ACROSS 5. The equation stated by Émile Clapeyron in 1834 as a combination of the empirical Boyle’s law, Charles’ law and Avogadro’s Law commonly known as the ideal gas law.

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Queen Zwane, task organiser at TASA; Mary Phadi, convener at TASA and Sindiswe Chikunga, deputy Transport Minister

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dŚĞƐƐŽĐŝĂƟŽŶŽĨ ^ŽƵƚŚĨƌŝĐĂŶ YƵĂŶƟƚLJ^ƵƌǀĞLJŽƌƐ

QuanƟty Surveying… …at the heart of every successful construcƟon project

Find out more… info@asaqs.co.za

T 011 315 4140/1 F 011 315 3785

www.asaqs.co.za

P O Box 3527 Halfway House 1685 I Suite G6 Building 27 Thornhill Office Park Bekker Road Vorna Valley Midrand •


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We also realise that it is not enough to have an excellent BBBEE rating, we also need to make sure that we deliver quality products and service to keep our customers happy for the long term

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We will have spare machines available to swap out if necessary, so that downtime is kept to an absolute minimum

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► EIA Process ► Geographical Information Systems ► Project Managment ► Natural Resource Services ► Ecological/Biodiversity Services ► Application Assistance ► Developement Research, Monitoring and Evaluation ► Environmental Risk Assessments ► Agricultural Assessment and Advise ► Wetland and Riparian Services ► Visual Impact Assessments ► Public Participation Process ► Game Ranch Management

l Tel: (031) 303-2835 l l Fax: 086 692 2547 l l Email: info@afzelia.co.za l l www.afzelia.co.za l 2 32

Skills August/September 2017 Skills on on SiteSite September 2012

► ► ► ► ► ► ► ► ► ► ► ► ►

EIA Process Geographical Information Systems Project Managment Natural Resource Services Ecological/Biodiversity Services Application Assistance Developement Research, Monitoring and Evaluation Environmental Risk Assessments Agricultural Assessment and Advise Wetland and Riparian Services Visual Impact Assessments Public Participation Process Game Ranch Management

l Tel: (031) 303-2835 l l Fax: 086 692 2547 l l Email: info@afzelia.co.za l l www.afzelia.co.za l


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Your boutique business destination Surrounded by lush gardens in the hub of Johannesburg’s northern suburbs, The Peartree in Craighall Park caters for groups of two through to 100 guests in nine well-appointed and equipped business suites. Breakfast meetings, working lunches, indoor or outdoor dining, half-day and full-day packages including all welcome refreshments, teas and lunches are offered in Standard, Gold and Platinum packages. Secure parking, business centre, fibre optic broadband AV, lockable space, and an onsite Hair & Beauty Boutique, all underpinned by highly qualified and helpful staff dedicated to ensuring your event is a success, make The Peartree a destination of choice.

www.thepeartree.co.za e-mail: info@thepeartree.co.za Tel: 011 781 1401 41 St. Albans Ave, Craighall Park


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2017/09 - Skills On Site