Rick Fedrizzi, CEO and Founding Chair of USGBC, and author of Green Think ‘Sustainability as an operational strategy is a tremendous way to save money’
The HVACR community reflects on the Paris Agreement and what it could mean for the industry INTERVIEWS Dr Eng Waddah Ghanem, ENOC ‘Diversity translates to energy security’
David Underwood, ASHRAE
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Toshiba’s VRF wins AC Product of the Year award
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‘With IoT, you don’t have to wait for anyone to tell you a story’
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A customised cooling solution allows a data centre’s main storage area to operate within stringent tolerances
New Era for the
What are the possible ramifications of Saudi Arabia’s Vision 2030 on the HVACR industry?
AHRI, ASHRAE, DOE fund flammable refrigerant research
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Two new Dubai schools aim for LEED certification
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contents VOL. 11 NO. 7
SAUDI ARABIA ENVISIONS THE FUTURE
The Kingdom looks to reduce its dependence on oil revenues and explore other income streams. What could it mean for the HVACR industry?
20 ‘You can build to LEED Gold for not a penny more than it costs to build a conventional building’ Rick Fedrizzi of USGB debunks a few long-standing myths about sustainability as he discusses the evolution of LEED certification.
26 ‘There are those building owners who shoot themselves in the foot, because they don’t want to see a big capex’ Hatem Saeed Al Amoudi of ESGI elaborates on optimising existing infrastructure and deploying IoT for improving the performance of buildings in the GCC region.
contents VOL. 11 NO. 7
How smart is your building? Arvind K Swarnkar of Sauter lists thumb rules to help follow best practices for control systems in a smart building.
CASE STUDIES page
A ‘joint’ effort towards sustainability Stephen Traynor of Victaulic enumerates the advantages of grooved mechanical piping systems and highlights how alternative joining methods could contribute towards higher building rating.
PROCESS COOLING REPORT
way for the new?
nEWs 52 59 60 60 62 Given that cooling towers play a critical role in process cooling in HVAC applications, it helps to be aware of the pitfalls one could encounter.
08 Will the old order make
Re‘storing’ the cooling system A UK-based archive storage company needed a precision cooling upgrade. DencoHappel offered its consulting and product solutions.
Regional Global Comings & Goings Associations & Societies Marketplace
64 It’s trivia time
A delta of savings The University of Miami’s medical campus saved thousands of dollars and increased plant capacity with the Belimo Energy Valve retrofit.
MARKET FEATURE page
36 Valves Though often unseen and underrated, valve as an HVACR component is necessary to achieve energy efficiency and comfort. Given the rapidly changing scenario in the region,, however, it needs to constantly reinvent itself.
Will the old order make way for the new?
B Surendar Editor @BSurendar_HVACR
EXCLUSIVE INTERVIEW: Rick Fedrizzi, CEO and Founding Chair of USGBC, and author of Green Think ‘Sustainability as an operational strategy is a tremendous way to save money’
Pressure-independent valves as an answer to Low Delta T syndrome
‘With IoT, you don’t have to wait for anyone to tell you a story’
Hatem Saeed Al Amoudi, Energy Solutions Group International (ESGI)
A customised cooling solution allows a data centre’s main storage area to operate within stringent tolerances
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t is a well-acknowledged fact that the leadership in the GCC region has been introducing a raft of macro-measures to encourage better building performance. In terms of intent, the emphasis being given to further action on such initiatives as Green Building codes, building-retrofit programmes, smart cities, IoT and net-zero-energy buildings, point to the right direction. In Saudi Arabia, the National Transformation Plan (do read the cover story) that followed the release of Saudi Vision 2030, has spelt out a reduction in energy subsidies. Equally, the leadership in the region is pushing forward the revolutionary 3D printing technology. The emphasis being given indicates a paradigm shift in how the leaders envision buildings could be constructed. Broadly speaking, we are witnessing market transformation and disruptive approaches, which have the potential to cut project timelines, and improve energy efficiency, indoor environment quality, reliability and resource conservation, among other attributes. Generally speaking, though, are consultants, sub-consultants, architects, contractors and subcontractors in a state of readiness to align themselves with these changes? Are they willing to rise to the occasion, or are the majority still caught in a traditional mindset of ‘business as usual’? These are pertinent questions, because a status quo of the mindset will undoubtedly affect the push towards sustainable development and socio-economic development – the two aspirations that underpin the initiatives and measures. To truly bring about market transformation, does the leadership need to introduce a new set of regulations to overcome the mindset, without upsetting the fine balance to ensure businesses continuity and affecting the need for an enabling environment? And along with regulation, is there a need for a fresh thinking on an efficient enforcement mechanism to catch errant practices? On the flip side, what is the extent of the impact of building owners on consultants and contractors? How big is their influence in undermining quality? For instance, are they forcing contractors to cut corners? Are these against the aspirations of the leadership in the GCC region? Further, are building owners delaying payments – a situation that is provoking contractors to stay away from completing projects on time? Some of the questions are not new – in fact, they have drawn emphatic responses in the past – but they need a fresh airing in view of the initiatives and measures being proposed or in different stages of implementation. There is a certain palpable concerted effort on the part of the regional leadership, which strongly seems to suggest that this time around, consultants and contractors cannot treat the situation as ‘business as usual’, and sweep it out of sight. Those that choose to ignore it would be doing so at their own peril.
Kingdom enters a
With its recently launched Vision 2030, Saudi Arabia is planning to introduce social, political and economic reforms, aimed at reducing its dependence on oil, diversifying its economy and establishing the country as a global investment powerhouse. In light of one of the Middle EastĂs biggest markets announcing such sweeping and ambitious reforms, what could the future hold for the regionĂs construction and HVACR industries?
By Fatima de la Cerna | Assistant Editor
n early May, when news broke of Ali Al Naimi’s removal from his post as Saudi Arabia’s oil minister, which he had held since 1995, market analysts and business leaders from around the globe were quick to proclaim the move as “historic” and “significant”, in acknowledgement of the influence Naimi wielded over the international energy market. Few, however, expressed surprise, and the pervasive sentiment was that it was an expected development, following Deputy Crown Prince Mohammed bin Salman’s announcement of the Kingdom’s plans to launch reforms that would see the country try to reduce its reliance on oil and diversify its income streams. Naimi’s removal – he made way for Saudi Aramco Chairman, Khaled Al Falih – is far from being the only “development” to result from the government’s reform framework, dubbed “Saudi Arabia’s Vision 2030”.* Ministerial restructuring and cabinet reshuffling have taken place since it was unveiled on April 25. The Ministry of Petroleum and Mineral Resources, for example, has been expanded and renamed the Ministry of Energy, Industry and Mineral Resources. The Ministry of Water and Electricity has been disassembled, with water now under the newly formed Ministry of Environment, Water and Agriculture, while electricity has been incorporated into Falih’s department.
Transforming a nation The changes, pundits claim, are but the tip of the iceberg, and merely the start of the overhaul the Deputy Crown Prince has in mind – a plan that received a boost of support when the Saudi government, on June 6, approved the National Transformation Programme (NTP)**, which was prepared by the Council of Economic and Development Affairs. It is headed by bin Salman, in cooperation with 24 government entities, including the Ministry of Finance, the Ministry of Economy and Planning, the Ministry of Health, the Ministry of Labour and Social Development, the Ministry of Housing and the Ministry of Education. The NTP details the different schemes to be carried out by the participating ministries. It also outlines policies and targets that have been deemed necessary for the Kingdom to achieve the
Mohamed R Zackariah
goals and commitments itemised in Vision 2030. Among the targets identified in the NTP, intended to be reached by 2020, are the creation of nearly half a million private-sector jobs, a SAR-200-billion reduction in energy and water subsidies and a doubling of the output of natural gas. And an example of a ministry-specific initiative is the preparation and implementation of income tax on residents, which is to be undertaken by the Ministry of Finance.
Envisioning 2030 The NTP is just one of the various initiatives that the Saudi government has launched, and will launch, to ensure that Vision 2030 is realised. Of those initiatives, the ones that have captured the most attention are the semi-privatisation of Aramco, whose ownership will be transferred to the Public Investment Fund – an entity that itself will go through restructuring, as the government looks to transform it into the world’s largest sovereign wealth fund; the plan to increase private-sector contribution to the GDP through the privatisation of government services and stateowned assets and the expressed commitment to not only promote non-oil industries like manufacturing, renewable energy and tourism, but also to improve the business environment to make the country more attractive to talents and investors, both local and foreign. With Saudi Arabia acknowledged as one of the biggest – if not the biggest – markets in the Middle East, the global attention its planned reforms, which Bin Salman has described as “ambitious yet achievable”, has attracted, was expected. The attention, however, has been accompanied by speculations regarding the ramifications of the Vision, as well as its possible impact on the construction and HVACR industries and on regional and international markets.
Ripple effects Echoing bin Salman’s assessment, Mohamed R Zackariah calls Vision 2030 an ambitious plan, which was due, and observes that the age of “unlimited energy supply and lucrative hydrocarbon prices in international markets” has passed. “We are seeing the dramatic impact of oil
Dr Iyad Abumoghli
UNEP’s commitment Dr Iyad Abumoghli, Director and Regional Representative of the United Nations Environment Programme - Regional Office for West Asia (ROWA), speaks on how UNEP can help Saudi Arabia achieve its Vision 2030…
audi Arabia offers great potential for promoting Green Economy concept and practices; UNEP can support in developing a national Green Economy strategy to engage the benefits of low-carbon clean technologies as a new engine of investment and growth, as a knowledge-based economic sector. “UNEP, with its sister agencies, can offer significant contributions toward the clean energy aspirations of the Kingdom, building on the work of the UN Sustainable Energy for All initiative and on models from the UN’s large-scale programming on energy efficiency and renewable energy around the world. Cooperation will also be explored for implementation of the new National Renewable Energy Strategy, including vital links to the energy-efficiency drive and possible assistance in launching of the King Salman Renewable Energy Initiative. “UNEP is committed to providing technical support to the Kingdom, as required, through its West Asia Regional Office, for the implementation of the environmental dimension of the Vision 2030, mainly with regard to the protection of biodiversity and ecosystem services, and the more sustainable use of natural resources, especially agriculture, water and minerals.”
Since the reforms call for a lot of construction, the HVACR industry will enjoy good expansion in terms of production volume prices in the local economy,” says Zachariah, Chief Consultant at the Saudi Arabia-based Suhaimi Design – Protecooling. “But this Vision of converting Saudi [Arabia] into an investment powerhouse, with stakes in major corporations, will drive major growth in various sectors, which would, in turn, mean growth in the HVACR industry.” The economic growth, Zackariah clarifies, will not manifest itself in Saudi Arabia alone. “Generally, the rest of the GCC [region] always vies for a share in the Saudi market,” he says. “Any growth in Saudi [Arabia] will, therefore, directly impact the economy of the rest of the GCC [region] in a positive manner.” Morten Schmelzer, Director for Business Development and Strategic Relations at Eurovent, on the other hand, thinks that the reforms identified in Vision 2030, particularly the partprivatisation of the country’s oil industry, could “push authorities and investors to look closely at all energy-dependent sectors”. He notes that this could then “stimulate awareness of and closer involvement with energy-efficiency related issues”, before elaborating: “Because of the climate in the Middle East, this could have far-reaching effects, as good living environments and security of food supplies need to be maintained. And increased interest in lifecycle cost of installations and buildings will likely have a major economic impact on the region.” An example of a possible economic impact, Schmelzer adds, is the HVACR market moving “towards state-of-the-art products” and the creation of “a local base of technicians”. He further points out that other than energising the Gulf’s HVACR market, Saudi Arabia – by pursuing the announced reforms – could serve as inspiration for other nations. “Being the largest market in the region, Saudi Arabia could surely act as a role model for other countries,” he says, “and motivate them to undertake similar steps, which could eventually benefit everybody. Diversity would underpin future developments and help the region think beyond oil.”
Factors to consider Ghaleb Abusaa, CEO of GASO (Ghaleb Abusaa Office) is of the opinion that, when attempting to measure the impact of Saudi Arabia’s economic reforms on industries like construction and HVACR, several parameters must be taken into account,
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Voices Industry leaders and stakeholders share with Climate Control Middle East their thoughts on Saudi Arabia’s Vision 2030…
“What is interesting in Saudi Arabia is that there is a certain level of correction. There’s going to be both short-term and medium-term [changes]; there will be a certain level of stabilisation. So during that process of transition, one has to align his own capabilities to prepare himself for what is likely to come. And with Saudi Arabia, because of its political and economic conditions, it has to find operational efficiency. FM is the ideal tool to find efficiency.” – Tariq Chauhan, Group CEO, EFS Facilities Services Group “We are seeing a lot of challenges in the Saudi market presently, because of certain economic issues like the oil price and difficulty in doing business. But we’ve been hearing some really positive developments from the government. Of course, we still need to see how it all comes out in the end. For us, it’s currently a wait-and-see scenario.” – Gaurav Bhatnagar, Regional Marketing Manager, Armacell “It’s a very big market. For them to try and introduce reforms, like the privatisation of assets, to their economy now – well, it’s going to be a challenge for them. The oil price is, of course, going to be a major factor; although it has marginally clawed its way back in the last few weeks.” – Jean-Paul Logiotatos, CEO, Hydrocool
Other than energising the Gulf’s HVACR market, Saudi Arabia – by pursuing the announced reforms – could serve as inspiration for other nations
“I think Deputy Crown Prince Mohammed bin Salman is shrewd and intelligent. He has a lot of courage and charisma, which are traits that should help him achieve the changes he is after. “As for the reforms, there’s been mention of a Green Card [system], which I think will make it less difficult for people to work in Saudi [Arabia]. There has also been talk of foreign investments and opening up the Saudi stock market to foreign investors. They’re also talking about improving the business environment for foreign manufacturers and establishing free zones. Put all those together, and you’ll have globalisation; you’ll have a Saudi Arabia that is changing from being a closed country to an open one. It will happen in stages.” – Saad Ali, VP and Group General Manager, Ruskin Titus Gulf
“What the Deputy Crown Prince is suggesting in term of economic reforms shows that he is a visionary. And I applaud him for it. He is opening up the Saudi economy even further with his bold leadership and vision, which should help companies by increasing business activity and limiting barriers.” – Bob Mangiaforte, Vice President for Sales, Portacool
“We’ve yet to see how Vision 2030 will affect the solar industry. There’s going be wind and solar projects coming up, and we’re expecting the Saudi market to stand up, in the same way that Abu Dhabi stood up with Masdar. Saudi [Arabia] took the initiative a few years ago with KACARE (King Abdullah City for Atomic and Renewable Energy), but due to market and political conditions in the region, the KACARE concept was put on the backburner. Now, we’re holding our breath. The next few months are going to be a decisive testing period for the Saudi projects and for its solar energy market.” – Hadi Tahboub, Executive Director – Development, Middle East at SkyPower and President of MESIA (Middle East Solar Industry Association) “Saudi Arabia’s Vision 2030 is going to support business, which – in turn – will support our Saudi Arabia initiative promoting clean indoor air. There is huge potential in Saudi Arabia, and because of the Vision, the country will move forward.” - Faisal Zaidi, Marketing Manager, TROX Middle East
namely quality, price, production volume and standard of living. “The HVACR industry is directly connected to the construction industry,” says Abusaa, “especially in this part of the world, where no indoor life can be considered comfortable without air conditioning. Since the reforms call for a lot of construction, the HVACR industry will enjoy good expansion in terms of production volume. Moreover, food security and healthcare are important for societies like Saudi [Arabia], whose populations are rapidly growing. And that is where the refrigeration industry is needed, among other applications.” Abusaa, addressing the presumptive association between growth in market activity and reduced product and service quality, notes that “the number of HVACR production facilities in Saudi Arabia is also growing” and could, thus, meet the demand. He, therefore, stresses that “an eye must be kept on quality”. He also points out that, in light of how the reforms could change the standard of living in Saudi Arabia, higher prices and inflation must be expected. “The cost of living will likely jump to match both demand and quality,” he says. He further predicts that industries not big in Saudi Arabia at the moment, will experience growth as a result of Vision 2030. He cites tourism, hospitality and facility management services as examples.
Hurdles to overcome Despite the benefits that he foresees accruing as a result of the planned reforms, Abusaa recognises that the road to 2030 will not be without its share of obstacles. “Note that the bigger the goals, the bigger the challenges,” he says. Expounding on his statement, he adds: “Those challenges include stability in the Middle East, especially since Saudi Arabia is a key player in the region, and cannot, therefore, isolate itself from what happens in it. Another challenge
is global economic and political stability. For the country to achieve the goals of its Vision, it needs to work closely with industrialised countries, from where it can import technology and machinery, and with countries that have skilled and semiskilled manpower. Such technology, machinery and manpower may not be readily available if there’s global instability.” Zackariah, meanwhile, holds the view that, if there’s one challenge that needs to be overcome, it is to make everyone believe in Vision 2030. “There must be a top-down change in attitude,” he says. That could be a major challenge, but the time seems to be ripe.” He also emphasises that regardless of whatever challenges there may be, the reforms are highly feasible, primarily because of the strong leadership behind it – a view that is shared by Abusaa.
Feasibility study “Before we proceed, we need to understand the term ‘feasible’ in relation to the subject and case we are discussing,” says Abusaa. “Since we’re talking about a country’s future, feasibility is affected by several factors, including financial [capability] and security.” From a financial point of view, Abusaa’s assessment is that Saudi Arabia will have no financing problems. “Even if oil prices drop and the domestic demand goes up, the country has other resources – like minerals and solar – that will keep it in a leadership role,” he says. “Furthermore, religious tourism to Makkah and Madinah will continue so long as there is life on the planet. And the country has good infrastructure that is subjected to regular modifications and upgrades.” Having presented his assessment, Abusaa pronounces Saudi Arabia as being equipped with all the basic elements required to turn Vision 2030 into a reality. Schmelzer, though, is more cautious with his appraisal of the reforms’ feasibility. “It all depends
An international perspective Eurovent’s Morten Schmelzer shares his views on what the Kingdom can do to attract more foreign players…
or Saudi Arabia to be more attractive for foreign companies, it is essential to have a level-playing field. In order to achieve this, the following measures should be carried out: :chjgZiZX]cdad\^XVacZjigVa^in/>cXZci^kZh should be given to invest in new technologies. This should happen in a technology-neutral manner, whereby, the market is allowed to decide what the best available technologies are. GZYjXZiZX]c^XVaigVYZWVgg^Zgh/>cdgYZg for Saudi Arabia to become a global hub, technical trade barriers must be minimised. An example that hinders investment in the HVACR sector is the dominance of North American standards and certification programmes. Saudi authorities should refer to international (ISO) standards in order to motivate more companies from other regions to invest in the market, which could thus create more jobs and bring more options and solutions to customers in Saudi Arabia. :VhZi]Zk^hVVcY^ckZhibZcigZ\^bZ/ The current visa and investment regime in place is a burden for foreign investors. For HVACR companies, it is easier to invest and do business in the UAE, which offers a comparatively open and liberal visa and investment regime. GZYjXZWjgZVjXgVi^XWjgYZch/8jggZcian! there are high bureaucratic burdens in place that hinder wide-scale investments. These burdens would need to be significantly reduced in order to attract more foreign investors.
on how the oil price is eventually going to develop,” he says, explaining that if prices remain low, there’s a greater chance that the reforms would be undertaken. “The current low oil price offers unique potential to take on wide-ranging reforms that could provide an overall boost to the Saudi economy,” he explains. Offering advice, Schmelzer suggests that the Kingdom incorporate into its diversification plans a study of its internal dependence on oil. He says: “Many buildings and installations could benefit from an analysis of current energy consumption. The results may highlight retrofitting opportunities. It may prove useful to look at financing structures that would stimulate retrofitting.”
Business magnet The experts may agree on the value of Vision 2030 to the country and the region, but do they see the reforms drawing more business into the country and increasing the market’s appeal to companies and investors? Speaking from his company’s perspective, Zackariah believes that the reforms definitely make Saudi Arabia a more attractive market. “Saudi [Arabia] is usually an attractive market, but if everything goes well with this Vision, there will be increased activity in the country,” he says. “Take for example the anticipated reforms in energy tariff structures. Those will generate huge market for retrofit projects. Since we, as a company, are focused on energy conservation and energy auditing, we definitely see potential. As I’ve mentioned, Saudi [Arabia] has always been a market with a lot of potential, but it would become even more appealing if conditions and regulations became more conducive for business, if people’s attitude were to change and if industry stakeholders took inspiration from Saudi [Arabia’s] leadership and pushed the  agenda.” Abusaa, on a similar vein, points out that Saudi Arabia has always been a market that foreign investors wish to tap into, adding that there usually are two aspects that determine a market’s appeal. Those two aspects, Abusaa says, are, “the buying capacity of the market and the level of profit that can be made; and the investment rules, environment, terms and conditions imposed by the host country”. He adds: “With regard to the former, there is no doubt that Saudi Arabia is an attractive market for investments. With regard to the latter, it’s all in the hands of the Saudi government. So far, they have not decided to fully open the door for all kinds of investments, and there are still restrictions imposed that don’t suit outside investors. When the reforms are implemented, they may change the rules.” Abusaa, however, has a caveat to add: “There will always be people not happy with foreign investment rules, whether in Saudi Arabia or in other parts of the world.”
*The full text of Saudi Arabia’s Vision 2030 can be accessed at http://vision2030.gov.sa/sites/default/files/report/Saudi_ Vision2030_EN_0.pdf. **The full text of the National Transformation Programme can be accessed at http://vision2030.gov.sa/sites/default/ files/NTP_En.pdf.
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‘Sustainability as an operational strategy is a tremendous way to save money’ Rick Fedrizzi, CEO and Founding Chair of USGBC, and author of Green Think, in this in-depth conversation with B Surendar, explodes a few long-standing myths about sustainability, and explains the evolution of LEED certification as a dynamic tool to measure ongoing operating performance of buildings.
ould you please give readers a flavour of your book, Green Think? What objectives did you set out to achieve through the book? And how do you see the book as helping in market transformation? The private sector is leaving trillions on the table – and condemning humanity and our planet to a terrifying future – by failing to widely embrace the extraordinary power of sustainability to drive economic growth. There are two key ways all businesses stand to gain from being environmentally conscious. First, by eliminating waste and doing things more efficiently, companies save money. Second, by using sustainability to drive innovation, new products become more effective, more desirable to customers and, thus, more profitable. Let me repeat that: More savings. More innovation. More customers. More money. What’s not to like here? It took a while for us in the environmental movement to figure out that business really didn’t need another PR programme; they needed a solid business case. There’s nothing that makes business people happier than making money or saving money. And sustainability as an operational strategy is a tremendous way to do that.
It took a while for us in the environmental movement to figure out that business really didn’t need another PR programme; they needed a solid business case
Climate Control Middle East has reliably learnt that the proceeds from the sale of copies of the book will be going towards an orphanage in Haiti and USGBC’s Green schools initiatives. I am curious to learn more about the oft-quoted correlation between Green Buildings and an improvement in academic performance of students, including better cognitive ability and reduced absenteeism from school. How did you arrive at the correlation? And has USGBC conducted specific studies to quantify the improvement in performance in reallife situations? There is no silver bullet in education reform, and any parent, teacher or administrator will tell you that a combination of factors contribute to academic success. That said, there is compelling research that shows a clear relationship between the condition of school facilities and factors critical for student academic performance. Several peer-reviewed studies have linked recirculating air and low ventilation rates in classrooms with lower average daily attendance, respiratory illness and slower speed in completing tasks. Studies have found that poor facilities and low-quality indoor environments are strongly associated with student truancy and higher
rates of suspensions. Loud classrooms with poor acoustics are also impacting student performance. At least six major studies have concluded that students’ ability to hear their teacher clearly has a substantial impact on their short-term memory and academic performance. As far as specific studies are concerned, one that’s getting a lot of well-deserved attention right now is the “Impact of Green Buildings on Cognitive Function”, a peer-reviewed study conducted by the Harvard T.H. Chan School of Public Health that demonstrates improved indoor environmental quality doubles cognitive function test scores. On average, study participants scored 101% higher in Green Buildings with enhanced ventilation compared to those in conventional buildings. Last week, the Hawaii legislature cited this study as a key reason the state needs to improve the cooling and air quality conditions in their K12 building stock. There seems to be a strong sentiment that building owners are more focused on getting LEED points than paying attention to the green ideals of the LEED rating system and to the long-term performance of buildings. We see that trend here in the Middle East, where in quite a few cases, the exertions arguably
seem to be more towards getting the plaque – and then complacency sets in. What steps is the USGBC taking to encourage a more sustainable evaluation exercise that will ensure certified buildings remain Green for their entire lifecycle? One of the things we are doing is debunking some myths. These include: That green buildings cost more, when in fact, today, you can build to LEED Gold for not a penny more than it costs to build a conventional building that costs more over time because it’s inefficient. Experienced project teams practising integrated design save money and deliver a higher performing project. We’ve got so much data now, since there are more than 77,000 LEED-registered and certified projects around the world, that when people try to tell me it costs more, I’m pretty sure they simply don’t know what they are doing. And our team can walk them through the numbers in such detail that those claims simply don’t hold up. Now granted, LEED Platinum can cost a little more, but that’s because you are usually pushing the envelope. That Green Buildings can’t be beautiful. For a long time, people thought Green Buildings had to be ugly, or at least boring, but Shanghai Tower, California Academy of Sciences, Freedom Tower, even the Marlins Stadium, put that myth to rest a long time ago. That you have to build new. But LEED for Existing Buildings has certified the improved performance of [retrofitted] iconic buildings all over the world – the Empire State Building; the Merchandise Mart and Sede Centrale, headquarters for Ca' Foscari University of Venice, the oldest building on the planet to be LEED certified (558 years old, exceeding the previous record holder, which was Fay House at Harvard University, by more than 350 years). For better buildings, accountability
makes a difference. Through a carefully managed, independent, third-party verification system, LEED affirms the integrity of Green Building commitments by ensuring project teams are delivering on design plans and goals. Third-party validation helps guarantee that each project saves energy, water and other resources, reducing the overall environmental impact. No cutting corners. LEED certification is verified through Green Business Certification Inc (GBCI), an independent third party that holds participants accountable to meet clearly defined goals that optimise building performance. LEED guides projects to save money, conserve energy, reduce water consumption and drive innovation. Through a rigorous, documented process that relies on performance and measurement, LEED rewards and validates best-inclass building strategies and practices. Can you do all these things without actually certifying? Of course. But then, how can a buyer or a tenant know you really did what you said you were going to do? LEED certification does that for you. And more and more investors don’t want to simply take the word of the property owners, or spend the time doing the due diligence – they simply require LEED certification, most often at the
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LEED Gold level, whether it’s a new building or after an existing building has been retrofitted. There’s high confidence in the process and in the results that get delivered, and that kind of certainty is something everyone wants. The world sorely needs accurate building performance data, analytics, and for the data to be integrated in an ecosystem that allows for better control of HVAC equipment, say. Is the USGBC taking any steps to incorporate the benefits of the Internet of Things and cloud-based systems in the Green Building movement? With our first iteration of LEED, we created something unprecedented – a brand for Green Buildings that unified the industry, and a privatesector rating system that transformed the market on a scale none of us could have imagined in our wildest dreams. LEED was never meant to be static, but rather to continuously improve and adapt to new technologies, practices and advances in materials science. Since its inception, it’s grown from a single rating system for only new buildings to a suite of rating systems that are applicable to a variety of building types at every stage of their lifecycle. LEED has also undergone regular comprehensive updates, the latest of which is LEED v4, a version that is bolder, more specialised, and designed for an improved user experience. It includes a focus on materials that goes beyond how much is used to get a better understanding of what's in the materials we spec for our buildings, and the effect those components have on human health and the environment. It takes a more performance-based approach to indoor environmental quality to ensure improved occupant comfort. It brings the benefits of smart-grid thinking to the forefront with a credit that rewards projects for participating in demand response programmes. And it provides a clearer picture of water efficiency by evaluating total building water use. As LEED evolves from its roots as a design tool to become a true performance metric, we’ve also added ways to make the invisible actionable. The LEED Dynamic Plaque is an elegant public declaration of a building’s environmental efforts and performance. Located in a lobby or other common space, the plaque displays immediate measurements about a building’s resource use, reflecting the outcomes of the LEED system – from energy to waste disposal. The LEED Dynamic Plaque software platform provides a LEED Performance Score based on original LEED certification and five performance categories that collect data from buildings – energy, water, waste, transportation and human experience. When new data enters the system, the LEED Dynamic Plaque automatically generates an up-tothe minute LEED Performance Score, featured
on the face of the plaque, tied to the familiar LEED certification levels (Certified, Silver, Gold, Platinum), so that at that any moment in time, you (and your tenants, customers, visitors, etc.) know exactly how the space is performing. The score builds over a 12-month period, so at the end of 12 months, the performance score is the building’s updated LEED score. The plaque is a visual scoreboard so that owners can compare their building’s current and past performance and can examine the building’s overall performance relative to comparable structures. It is, in essence, a Fitbit for buildings. But if you want to know how your building compares to others in your neighbourhood or your city, we have the Green Building Information Gateway (GBIG). Essentially, GBIG is an online platform that allows investors to understand the attributes, performance and accomplishments of a building asset. This kind of transparency is vital to driving market transformation – helping us all understand the value of our buildings. With the LEED Dynamic Plaque measuring real performance rather than prescribing process for getting there, and GBIG, we now have a powerful set of integrated sustainability solutions, linking real-time performance, asset certification and portfolio-level reporting to provide investmentgrade data.
As LEED evolves from its roots as a design tool to become a true performance metric, we’ve also added ways to make the invisible actionable 24
The large stock of Existing Buildings the world over provides an opportunity for a massive green transformation. A place like Dubai, for instance, has a stock of over 120,000 existing buildings. The Government of Dubai is trying to raise the energy-efficiency profile of the buildings through a state-wide retrofitting programme, because it sees an opportunity for mitigating climate change to a significant extent through the initiative. As a Council, do you feel you need to lay greater emphasis on existing buildings? How does the USGBC propose to promote faster and wider adoption of the LEED for Existing Buildings programme? As noted earlier, some of the most iconic buildings in the world have used LEED for Existing Buildings as a roadmap to improve their ongoing operating performance. Our existing building stock really needs to improve, and then monitor its performance on an ongoing basis. The LEED Dynamic Plaque is one of the tools in our arsenal for this very issue. Verdani Partners, a LEED consultant, looked at the differences between using LEED for Existing Buildings (LEED-EB) and the LEED Dynamic Plaque as a recertification option. Utilising the LEED Dynamic Plaque as a recertification method, buildings must recertify every year. With the current LEED-EB recertification path, LEED buildings only need to be recertified at least every five years to maintain LEED status. However, LEED Dynamic
Plaque requires much less documentation and tracking than LEED-EB recertification. The idea is that building teams spend more time tracking building performance and less time buried under paperwork. The documentation requirements for LEED Dynamic Plaque are much simpler and only require critical pieces of measured data, such as utility bills Recertification offers the opportunity to measure the effectiveness of your building’s environmental performance strategies over time, offering an excellent opportunity to pinpoint areas that can save you money and other resources. Open-plan offices are being called the bane of the sustainable development movement. Examples of built-for-purpose offices seem to be few and far between. So while the shell qualifies for LEED credentials, the interiors, when implemented as an afterthought, do not aid in reducing energy consumption or in providing thermal comfort to occupants. What measures would you suggest for helping overcome the situation? LEED for Commercial Interiors has always been one of our most used rating systems, because it helps tenants have the same kind of roadmap for efficiencies as entire buildings. More and more, we’re focusing on the people inside the buildings – to make sure buildings are working not just for the environment but also for their inhabitants. An organisation called DELOS has pioneered a new standard for buildings – the WELL Building Standard. WELL is the first protocol of its kind to focus specifically on human wellness within the built environment. It prescribes a series of technology enhancements and performancebased measures across seven categories – air, water, nourishment, light, fitness, comfort and mind. You might have noticed that some of these categories are the same ones we focus on in LEED. In fact, WELL builds on the health metrics in LEED and takes them to the next level. In 2014, WELL became GBCI’s first client besides LEED, and together we’re already making a world of difference. But we’re finding a number of new things in the market are also helping these indoor environments be much healthier and more comfortable for their occupants. Certainly, our work on improving the materials that go into buildings is significant. But if you improve interiors with the person in mind, the WELL rating system is a fantastic tool.
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you don’t have to wait for anyone to tell you a story’ Hatem Saeed Al Amoudi, the CEO of Energy Solutions Group International (ESGI), in an interview with B Surendar, elaborates on optimising existing infrastructure and deploying IoT for improving the performance of buildings in the GCC region.
ou say you work with manufacturers and suppliers to develop and enhance products to offer specialised, customised solutions to clients. Could you please elaborate? In the case of retrofit projects, you will find conventional vendors, where you have certain parameters that are locked. We invest in optimising existing infrastructure and offering bespoke design, because we see plenty of buildings that have out-of-the-box software and, basically, following a same-size-fits-all type
A split unit is not smart, but we now have a solution that can be installed between the plug and the socket
of approach. That is not what buildings need, because each has a different demand. So we work with building owners and design for their needs. We share the experience of other clients and how that can be offered as an add-on. In some cases, you might have to enhance the equipment and, in some cases, the equipment is too old, so it has to go. Now, there are those building owners, who shoot themselves in the foot, because they don’t want to see a big capex, even if the new equipment would consume less power, because technology has changed. The mindset is not to be proactive. Generally speaking, building owners seem to be more reactive than proactive. If you have customised software for the hardware, you can talk to the building, which would alert the owners in case of difficulties. If a unit starts consuming more electricity, a conventional system might not be able to give that information. A good software can help in trending – that is, in identifying how the building behaves in summer, winter or during peak hours. The system will be able to trend and tag public holidays in the following year as the time when the owner can expect a large number of people coming in. Some buildings are too old, so it would cost a lot of money to retrofit, but their owners could at least have the existing equipment to talk to each other. A split unit is not smart, but we now have a solution that can be installed between the plug and the socket. It picks up excess consumption and can send a warning out to the owner. It’s an option that is there, because IoT can change the dynamics now. You have a lot of aggregated information, and you can mine the data and push it to whatever department – FM or HR – you want to send them to; or, you can send the information to the CEO. Where do you see the money coming from for retrofit projects? In the past two years, the cost of electricity in the UAE has started to increase, and that is something that is happening. Government entities do not have an allocation of funds for building-retrofit projects, but I would like to see
national banks in Dubai and Abu Dhabi to engage in a dialogue with international banks to see how the overseas banks are funding such projects. If a bank adopts 10,000 buildings at USD 100,000 per building, then it makes sense for it from an economy-of-scale point of view. Banks would love to have a new product to sell and would not mind hiring an energy engineer, who can bridge the gap between what the ESCO is trying to tell them and what they are understanding. Or they could bring an external consultant from Europe or the United States. It would be worth the effort, because the cost of electricity will keep increasing, which means any ROI is only going to shrink in two to three years from now. You have been working on IoT for a while now. How is it proving to be useful in improving the performance of a building? IoT brings more clarity to the equation, because typically a vendor will do what is necessary, but the building owner won’t have a full understanding of what went wrong, because the equipment is locked. Now, an IoT gateway will make it simple to understand, because it will make things accessible. If a problem happens, you don’t have to look elsewhere. So that’s the difference between having an IoT gateway and relying on conventional approaches. Simply put, you don’t have to wait for anyone to tell you a story, because you know the reality. Aren’t clients wary of data security, though? In a typical business belonging to a client, it is usually the IT department that is very protective. My approach would be to buy my own line and put it in that building without touching their firewall protocol. That way, I will take only the information I need.
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A new era in hydronic balancing and control with BMS connectivity Actuator NovoCon® is a highly accurate multi-functional actuator designed for use with AB-QM in sizes from DN 10-32. It delivers best-in-class hydronic performance in, e.g. fan coil units, chilled beams, and radiant panels.
Flow indicator NovoCon® functions as a flow indicator thanks to the high position accuracy of the actuator and the pressure independent and linear characteristics of the AB-QM valve.
Bus communication device With the NovoCon® it is now possible to connect hydronics to Building Automation. All setting and control is possible via Fieldbus and requires only minimal data points.
Data logger* The NovoCon® facilitates collection and storage of data that can be used to benchmark building performance over time, and to identify best practice in energy consumption behavior.
-4in1Actuator, Bus communication
and data logger.
Connect the new digital actuator NovoCon® S to the AB-QM valve. Connect hydronics and Building Automation. Connect to a world of benefits. Danfoss introduces the digital actuator NovoCon® S, a true revolution in hydronic balancing and control. The actuator is tailor made to fit AB-QM – the 100% authority pressure independent balancing and control valve tested by BSRIA. This gives you an eﬃcient installation, commissioning and hand-over process. Superior hydronic balancing and control. Remote maintenance and error detection in the system by means of alarms. NovoCon® is more than a Bus enabled actuator when connecting the heating and cooling system to Building Automation. See how we connect hydronics and Building Automation visit novocon.com
Arvind K Swarnkar is Managing Director, Sauter Middle East. He can be contacted at firstname.lastname@example.org.
How smart is your building? Pointing out that knowledge of control applications can go a long way in eliciting optimal advantage from a Building Management System, Arvind K Swarnkar lists thumb rules to help follow best practices for control systems in a smart building.
uilding Management Systems (BMS) are quite often equipped to carry out a wide range of functions, but many such systems are under-used, because they are not installed at the start of the building’s lifetime, or because they are not known to the users, including the staff responsible for managing or operating the installations – for example, exclusive use of programmable local thermostats. Knowledge of these control applications is essential in order to obtain maximum performance from the building and to optimise energy consumption. These best practices can be broken
down into three levels – Basic control applications, Advanced control applications and Integrated control applications. A checklist for each level is given below:
Basic control applications These comprise a set of technical solutions based on differentiated programming according to zoning criteria, or based on a timetable/calendar. These applications are subdivided as follows: OdcZYXdcigda/Egd\gVbb^c\VXXdgY^c\idV predefined calendar/timetable, with specific levels
for air conditioning and lighting for each zone in the buildings. HZVhdcVaXdcigda/6jidbVi^XVY_jhibZci by means of calendar programming of the predefined HVAC set-points for ambient temperatures during winter (20 degrees C ± 1 degree C) and summer (25 degrees C ± 1 degrees C). DXXjeVcXn"WVhZYXdcigda/6Y_jhibZci of comfort conditions according to the occupancy status, or in response to demand (more/less cold/heat), and adjustment of underlying conditions for periods of nonoccupancy. EgZhZcXZ"WVhZYXdcigda/6Y_jhibZci of conditions in the room or zone based on motion detection (for lighting, air conditioning, etc.) or by means of access cards (in restricted zones). 8VaZcYVg"WVhZYXdcigda/6Y_jhibZci by programming the start/stop times for installed plants during working periods, vacations and public holidays. I^bZiVWaZ"WVhZYXdcigda/6Y_jhibZciWn programming the conditions on the basis
of shift timetables (working hours; nighttime; cleaning/maintenance services and unoccupied/security guard).
Advanced control applications These control applications allow equipment to be operated in response to variable internal and/or external conditions. The following are a few examples: 8dcigdad[a^\]iaZkZa/6Xi^kVi^dcVcY control according to the intensity of outside light (position of blinds, zoned ‘dimming’ control of interior lighting, etc.). HXZcVg^d"WVhZYXdcigda/EgZYZ[^cZY programming (for lighting and air conditioning) according to the activity taking place in the room. 8dgg^YdgXdcigda/8dci^cjdjhVY_jhibZci of lighting in corridors and common zones with natural lighting, according to the intensity of the outside light. 6^gfjVa^inXdcigda/GZ\jaVi^dcd[i]Z inflow of outside air according to the level of CO2 in the room.
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Allied has grown into one of the leading Engineering and Project Management firms in the Middle East, boasting offices in 3 major Countries in the Middle East (Egypt, United Arab Emirates, Kingdome of Saudi Arabia). Allied offers full range of Engineering and Project Management services provided by nearly 140 dedicated professionals distributed among Egyptian, UAE and KSA locations. The company is a multidisciplinary consulting firm and has a track record and specialization in Buildings, Industrial Works and District Cooling and Power Generation Plants.
Controllers with an integrated web server allow adaptation of the time programming for installations according to forecast climate conditions, provided via a link to a weather forecasting web page
K6KWdmXdcigda/6Y_jhibZcid[i]ZkdajbZ[adld[ incoming air from VAV boxes, according to the room load. I]ZgbVaXdcigdad[V^gXdcY^i^dcZgh/6Y_jhibZci of thermal conditions according to the outdoor temperature – allows reduction of energy losses in hydraulic networks of buildings. 8dcigdad[XZcigVaegdYjXi^dcjc^ih/BdY^[^XVi^dc of operating parameters for central refrigeration and heating units according to the load for the building. 9ZbVcYa^b^iVi^dc/6Y_jhibZcid[hZi"ed^cihYjg^c\ energy demand peaks. 6jid"VYVei^kZXdcigda/6jidbVi^XVYVeiVi^dcd[ start/stop timetables for installed plants in order to achieve programmed comfort conditions at predefined times, with compensation of thermal inertia in buildings, in response to external conditions. EgZY^Xi^kZXdcigda/8dcigdaaZghl^i]Vc^ciZ\gViZY web server allow adaptation of the time programming for installations, for example, solar heating, according to forecast climate conditions, provided via a link to a weather forecasting web page. (See photo A)
Integrated control applications These control applications allow co-ordinated management of various technical installations and sub-systems in buildings on the basis of system integration. There is no doubt that integrated control offers numerous possibilities for efficient energy management in a hospital. Some examples are given below: 8dcigdad[ZaZXig^X^in/Bdc^idg^c\d[i]ZZaZXig^X^in supply by means of integrated network analysers – integrated control allows reactions to excess consumption during peak hours, filtration of harmonics to prevent overheating of boxes, thermal losses or disparities, etc. 8dcigdad[Zfj^ebZci/Bdc^idg^c\VcYXdcigdad[ specific items of equipment, which are very important for optimising consumption, such as speed controllers (in HVAC system fans, air conditioners, pumps, etc.) and other devices. >ciZ\gViZYXdcigdad[hjW"hnhiZbh/Bdc^idg^c\ and control via one graphic interface or SCADA, of various technical sub-systems, such as air conditioning (HVAC), lighting, fire detection, access control and transportation equipment.
July July2016 2016
There is no doubt that integrated control offers numerous possibilities for efficient energy management in a hospital
6YkVcXZYVaVgbbVcV\ZbZci/Dca^cZigVchb^hh^dcd[Xg^i^XVa alarms to remote destinations (via e-mail, SMS messages, pager notification, etc.). Some applications allow the technical manager to access on-screen visualisations or data in suitable formats for PDAs or mobile telephones. 8ZcigVa^hZYXdcigda/Bdc^idg^c\VcYXdcigdad[Vaa^chiVaaVi^dch from one central position – either local, remote, or independent of location via the Internet. CPI Industry accepts no liability for the views or opinions expressed in this column, or for the consequences of any actions taken on the basis of the information provided here.
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UVDI EPA Establishment Number 73542-CA-001
cooling system A UK-based archive storage company, dealing in both physical and electronic data, needed a precision cooling upgrade. DencoHappel offered its consulting and product solutions. We bring you the case study… INTRODUCTION A well-known data and records storage company, offering its services to store secure physical documents and electronic data at over 100 sites across the UK, needed to refurbish the controlled cooling system for one of its facilities, by delivering conditioned air through an existing ducted area.
THE CASE STUDY The challenge: The data storage company needed a system that allowed the main storage area to operate within stringent tolerances – with temperature maintained between 16 degrees C and 19 degrees C, and between 45 and 60% relative humidity. These standards were important, because their clients’ stored data and files needed to be kept in a guaranteed secure, conditioned environment, with no risk of degeneration or destruction of data, in accordance with PD5454 – a guide which specifies recommendations for the storage and exhibition of documents. Solutions offered: Engineers from DencoHappel designed a cooling solution for the main storage area, which used products specifically designed for data centre applications, ensuring that the desired temperature and humidity tolerances would be maintained.
Products used: A Multi-DENCO DX inverter-driven upflow air-handling unit delivered closed climate control, specifically designed for archive stores and other locations, where precise climate control is critical. Since the unit was situated outside the served space, the conditioned air was distributed throughout the area by a series of grilles, with the return air exiting the room at low level through a grille at one end of the hall. The air returned to the bottom of the unit. The Multi-DENCO specified included an inverter-driven full speed controllable compressor. Using the product meant the variable cooling loads within the main storage hall could be precisely matched, avoiding any large peaks and troughs around the set points, and ensuring a stable environment. The companyâ€™s air-cooled condenser was also incorporated into the system to reject the room heat load outside. The companyâ€™s twin electronically commutated (EC) fans from the MultiDENCO range were specified for indoor and outdoor use. These were used to supply and extract air. An intelligent electronic system was put in place to control the units to ensure the required tolerances to temperature and humidity.
Conclusion The systems installed deliver conditioned air to the storage area through the existing ducting system, while ensuring consistent temperature and humidity throughout the entire storage area, with no peaks and troughs. The main storage hall now has an even distribution of conditioned air throughout, with all tolerances and industry specifications met.
Other ositive outcomes The systems offer a comfortable working environment for the staff. Using an EC fan implies that power is pulsed on and off electronically, allowing energy saving when compared to ordinary cooling units. CPI Industry accepts no liability for the claims expressed in this article, or for the consequences of any actions taken on the basis of the information provided here.
The client needed a system which allowed the main storage area to operate within stringent tolerances â€“ with temperature maintained between 16 degrees C and 19 degrees C, and between 45 and 60% relative humidity
A revalving door
Energy efficiency and comfort can be achieved by using the right kind of components, which are fine-tuned to provide optimum results. The humble valve is one of them â€“ often unseen and underrated but vital. And given the rapidly changing scenario in the region, it needs to constantly reinvent itself. By Pratibha Umashankar | Associate Editor
several mega projects are currently under construction across the Middle East, as part of efforts to diversify the economy from oiland gas-dependence, as well as to provide jobs to a growing population. In this regard, Qatar and Saudi Arabia, are widely seen as the major growth areas for valves.
end-users and, therefore, not a priority. The ongoing economic downturn, too, seems to have facilitated the entry, and eventual popularity of low-cost valves. The result is the use of cheap substitutes. And cheap substitutes come at a price – a compromise on quality. In the final analysis, cost seems to be the lowest common denominator governing all the other factors. Valves carry the onus of ensuring that HVAC systems function efficiently and, more importantly, reliably. Substandard or damaged valves could cause maintenance problems, leading to loss of time and money due to temporary shut-down of systems. It is evident that from a lifecycle perspective, compromising on quality could prove expensive in the long run. Therefore, in order to reduce capital and operating costs, and to ensure that cooling systems operate smoothly, it is important to invest in high-quality valves, say experts. They believe that savings that are generated over a period of time by having good controls, will supersede the savings made by
Roadblocks Despite the demand, and despite experts underscoring the importance of control valves, customers, unfortunately, are often dictated by extraneous factors when it comes to the selection of valves, which could prove detrimental to the market. Three main factors appear to influence their decision: Stiff competition, which nudges construction companies to cut corners and opt for lower cost products; time constraints, which puts manufacturers and suppliers under pressure to deliver within unreasonable project delivery deadlines, which does not allow for careful evaluation of products, and sheer negligence, prompted by the fact that valves are not exposed or visible to the
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alves will be in demand wherever there is a need to control, isolate or protect industrial processes, which includes the HVACR industry, which subsumes within it the building services projects and large-scale applications like District Cooling. Ergo, there is a steady demand for valves in the Middle East, as they check all the boxes. Add to it the burgeoning retrofit market, and there is a potential scope for expansion. Besides the growth triggered by the construction industry, there is a conscious push by the UAE government, with the Dubai Supreme Council of Energy (DSCE) in 2011 launching the Dubai Integrated Energy Strategy 2030, whose avowed objective is to reduce energy demand in the emirate by 30% by 2030. One of the strategic pillars of DSCE to achieve the goal is District Cooling, which translates into lower power consumption and the use of valves. Coupled with this, Dubai has embarked upon an ambitious drive to retrofit 30,000 buildings by the year 2030, again, with the aim of achieving 30% energy savings, which includes HVACR retrofit projects. This bodes well for the valves sector. Apart from the United Arab Emirates,
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One of the strategic pillars of DSCE to achieve the goal is District Cooling, which translates into lower power consumption and the use of valves reducing the cost of investment. Towards a quality-conscious market While the more established companies concede that cheaper products may thrive in the market for a while, they believe that their products will prevail, and ultimately win the price war, not only on the strength of their product quality, but also because they are responsive and adaptive to market changes and, additionally, provide support and guidance to their customers. The big players in the market, armed with the mantra of energy and cost efficiency, are also investing in innovation. This, coupled with the strategy of aggressively promoting their products, they think, will help combat the competition posed by new market entrants. They claim that reliability can offer peace of mind to customers, which is a much-valued commodity. Building a culture of better awareness towards quality and its resultant benefits, and all stakeholders working together, could, indeed, be a solution to the challenge posed by
In conclusionâ€Ś Industry experts believe that the valves sector will always find opportunities for growth. However, economic uncertainty is a reality all sectors in the construction industry, and by extension, the HVACR sector, has to live with, and has learnt to live with. As a result, the valves market has become price-sensitive, paving the way for low-cost products from new players. Despite this, the more established companies think that as the market matures, merit of their products, which avowedly offer enhanced energy efficiency and considerable savings in lifecycle costs, will ultimately emerge as winners. New government initiatives in the region, like retrofitting of Existing Buildings and spurring the District Cooling industry, holds promise for the valves market, with new products which can conveniently be fitted without any interruption in service. Innovation is probably the key to a more dynamic market, with the acceptance that uncertainty is the new norm and that a disruptive market is a good market, especially for those who disrupt the status quo. Itâ€™s, indeed, a revolving door.
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A delta of
The University of Miami’s medical campus saved thousands of dollars and increased plant capacity with the Belimo Energy Valve retrofit. We bring you the case study… INTRODUCTION Most large campuses or buildings have a central plant with chillers and boilers generating cold and hot water throughout the buildings for occupant comfort. The chiller and boiler equipment after initial commissioning often operates at lower efficiency than intended in design. The reason is inefficient heat transfer in the room units and valves away from the plant. Increasing their performance will translate into more efficient operation in the central plant, saving energy and cost.
THE BACKGROUND University of Miami’s Leonard M Miller School of Medicine was paying very high operating costs from chiller and pumps working overtime. It was determined by US-based Kerney and Associates and confirmed by data from the Belimo Energy Valve that this was a Low Delta T problem, causing inefficient chiller plant and pump operation. The installation of the Belimo Energy Valve with its patented Delta-T-Manager increased Delta T from -14.16 degrees C (6.5 degrees F) to -11.94 degrees C (10.5 degrees F). This increase in delta T produced reductions in chiller and pump operating costs of USD 66,000 annually.
THE CASE STUDY The problem: At the heart of the university is a 47,000-squarefoot chiller plant with 12,000 tonnes of installed capacity. While the chiller plant was fairly new, having opened in 2011, some buildings on the campus were not operating as efficiently as they could, wasting thousands of gallons of chilled water. However, the problem was not with the
chiller plant but the cooling coils in several of the campus facilities. The diagnosis – Low Delta T syndrome: Low Delta T, a common mechanical illness was found to be at the root of the problem. It occurs when air-handling coils are oversized, demand too much water or foul and degrade with age. Poor system water balance and improperly installed and controlled air-handlers can also contribute to Low Delta T. When this happens, air-handler efficiency and heat transfer plummets. In turn, chillers and pumps work overtime in order to maintain a given temperature set-point. Return water temperature to the chiller is lower than the intended design, forcing more water to be pumped through the system. As more and more gallons of water move through the system, not only is efficiency in question, but utility costs can go through the roof. This was the diagnosis for some of the buildings on the University of Miami’s medical campus. Even with a new chiller plant, and a mix of new and older facilities, Low Delta-T was negatively impacting the efficiency on campus. Kerney and Associates of Dania Beach, Florida, a specialty piping and energy services company, who also specialise in retrofits, stepped in. The solution: Kerney and Associates suggested the use of Belimo Energy Valve, which is a pressure-independent valve that optimises and documents water coil performance. It includes an electromagnetic flow sensor and temperature sensors that monitor supply and return water. Differential temperature is monitored to make sure that the delta T across the valve is performing at the desired set-point. If delta T drops, the valve modulates the flow of water at the coil, which improves system efficiency.
To make sure that the valve and the coils are working as specified, the valve also has BACnet capabilities. Each valve has a static IP address, allowing technicians to check delta T readings and flow efficiency at the valve in real time. Results: To prove that the Energy Valve could do what it was designed to do, Scott Czubkowski, PE, Director of Engineering at Kerney Associates, installed the valve at the universityâ€™s Clinical Research Building. On an average, the building was seeing a -13.88 degrees C (7 degrees F) delta T and inefficient energy transfer. An Energy Valve was installed on a 175tonne heat exchanger that was transferring energy at a -15.83 degrees C (3.5 degrees F) delta T. The results were verified using Data Analysis Tool that imports up to 13 months of data stored in the valve actuator. The data includes absolute flow, absolute power and temperature. All of these components can then be compared and analysed to see improvements in the system. Czubkowski found that when the Belimo Energy Valve was installed, the system reacted almost immediately. At the initial start-up of the valve, the heat exchangerâ€™s delta T was at -15.83 degrees C (3.5 degrees F) with a gallon per minute (GPM) reading of 520. In less than an hour, the Energy Valve Delta-TManager took over control of the coil, and the delta T rose to -14.16 degrees C (6.5 degrees F) and the flow was reduced to 300 GPM. (See Fiqure 1.) The flow-rate continued to drop as the day went on. As heat exchanger performance increased, the entire building saw an improvement in delta T. Kerney and Associates also found that within an hour, the system went from using
Simple and reliable connection for fan-coils and terminal units Major features CONNECT-4:
Figure 1 - Energy Valve Analysis Tool Logged Performance
Each valve has a static IP address, allowing technicians to check delta T readings and flow efficiency at the valve in real time
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Factory tested Compact design Rapid connection Available with or without insulation, with static or dynamic balancing valve
PROJECT IN A NUTSHELL
CALCULATE SAVINGS # of AHUs
Initial Avg. Coil dT
Energy Valve Delta
T Manager Total GPM
Annual Pump Cost
Savings Pump Savings if Delta-T improves
he aim was to improve system performance, reduce plant operation cost and increase plant capacity. Installing Belimo Energy Valve with its patented Delta-T-Manager helped: >cXgZVhZVcYbV^ciV^cV]^\]YZaiVI across coil to maximise heat transfer. >cXgZVhZeaVciXVeVX^inWndei^b^h^c\ pump and chiller usage. Bdc^idgXd^ahnhiZbeZg[dgbVcXZid]Zae quantify changes (improvements) in the system. The increase in delta T produced reductions in chiller and pump operating costs of USD 66,000 annually.
from 5.5°F to 10.5°F Chiller Savings
if Delta-T improves from 5.5°F to 10.5°F Total Amount Savings
*Pumps could not service load at 5.5F dT (existing pump capacity and ﬂow velocities were exceeded); savings is calculated. ** Building pumping went from two pumps @ 60Hz to one pump at 45Hz Figure 2: Typical Medical Center Savings Estimate
600 GPM to 100 GPM. With those kinds of immediate results, Czubkowsi said that Ron Bogue, Assistant Vice President for Facilities and Services at the University of Miami’s medical campus, was able to validate that the technology worked. The university decided to purchase more Energy Valves to find out what kind of impact they could they on an older building. Replicating the results: Czubkowski and his team tested the valve on the university’s 450,000-square-foot, 35-year-old Rosenstiel Medical Science Building. Czubkowski illustrates in Figure 2 the savings from the building. Eleven major air-handling units (AHUs), at 30,000 cfm each, serve the building. Some of the air-handling equipment is almost as old as the building itself, and the air-handling coils of the AHUs had degraded over time. Delta T was hovering around -13.88 degrees C (7 degrees F) or -13.33 degrees C (8 degrees F), which meant that the system was wasting thousands of dollars in energy. With the Belimo Energy Valve installed, the Rosenstiel Building started to see a delta T of -11.94 degrees C (10.5 degrees F).
Conclusion Installing Energy Valve helped improve building plant performance and transparency, while reducing operating and maintenance costs at the University of Miami’s medical campus. According to preliminary calculations, Kerney and Associates believes that the University of Miami will see a three- to four-year payback on the valves it purchased for the Rosenstiel Building. Each of the 11 valves installed should create an approximated USD 5,000 utility savings, bringing the total annual savings cost to an estimated USD 57,890. And Bogue and his mechanical team can make sure that facilities, such as the Rosenstiel Building continue to save on utility costs and keep adequate delta T readings. As part of its preventative maintenance initiative, Bogue frequently checks the valve performance in the buildings by using the BACnet capabilities. If delta T readings go under an intended set-point, an alarm goes off to notify the mechanical staff that there is a problem. The results have prompted the University of Miami to continue installing the Belimo Energy Valve. Work is scheduled to install the valves at two more campus buildings. First on the list is the Batchelor Children’s Research Institute. The building will install four Energy Valves to control a 1,000-tonne chiller load. The newest building, the Biological Building, will also adopt the Belimo Energy Valve technology. The building also boasts of the largest AHUs on campus. When the air handlers are retrofitted, the university expects that the building will operate as intended, and not waste chiller water.
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A â€˜jointâ€™effort towards sustainability Underscoring that sustainable design involves more than site orientation and energy-saving construction techniques, Stephen Traynor enumerates the advantages of grooved mechanical piping systems, and highlights how alternative joining methods could contribute towards higher building rating.
opulation growth and subsequent development has had a major impact on our natural environment, and the effects of pollution have become more obvious than ever in recent decades. This has sparked a movement to promote energy efficiency and a real need to establish organisations that promote a Green and sustainable future. With the construction industry being one of the larger consumers of energy and resources, the manufacture, design, construction and operation of buildings has never been more critical than it is today.
Cradle to grave
Mechanical grooved piping systems significantly reduce or eliminate waste, emissions and noise pollution during installation.
Sustainable design involves more than just site orientation and energy-saving construction techniques. What goes into a building in the way of infrastructure is equally important. Wellplanned HVAC, plumbing and other mechanical engineering systems are key to making a building sustainable throughout its lifecycle. This philosophy needs to be taken into account from the point of manufacture, for instance, employing lean production processes to reduce waste and increase efficiency, manufacturing with recycled materials, dip coating to minimise Volatile Organic Compounds (VOCs), and reusing sand. Choosing to use a tried and tested alternative technology can also make an impact. The casein point is grooved joining technology, which is rooted in sustainability, and even before the evolution towards Green Building gained visibility,
was providing a more efficient, cleaner and safer system when compared with other pipe joining methods, such as welding, soldering or brazing. Grooved systems employ a proven roll grooving process to join pipes, valves and other components. Using a two-bolt coupling design, pipe fitters can make rugged, secure joints quickly and easily using only basic hand tools. And with a union at every joint, contractors have maximum field flexibility for on-site decision-making. All couplings are sealed for optimum integrity with a durable elastomeric gasket designed to withstand years of sustained high compressive and cyclical loads. During installation, mechanical grooved piping systems significantly reduce or eliminate waste, emissions and noise pollution on the jobsite, providing a safer and healthier environment. By-products of welding fumes can contain lead oxide, carbon monoxide, VOCs and hydrochloric acid, in addition to many other harmful particles and gases. The elimination of these harmful pollutants not only means less airborne pollution, providing for a more sustainable environment but also a safer jobsite during construction, maintenance or retrofit work. Additionally, a grooved mechanical pipe joint does not require the use of electricity during installation, reducing the draw on burdened power resources. Pipes that are joined by welding or soldering require the use of vast amounts of electricity for prolonged periods of time, consuming up to 4 kW on a 200 mm (DN200) joint. The installation of a grooved mechanical joint is cleaner than soldered joints, and so reduces on-site
Case study â€“ Stockholm Waterfront The Stockholm Waterfront development is Swedenâ€™s largest Green project, in the city designated the firstever â€˜European Green Capitalâ€™. The 11-storey structure occupies around 100,000 square metres and comprises a 3,000-capacity congress hall, a 418-room hotel and a 23,300 m2 business complex. Sustainability was a key criterion for the development, particularly in the use of energy-efficient systems for heating and cooling, and it achieved a LEED Gold certification. The glass faĂ§ades collect solar power, gathering on average 1 MW of heat energy each day. The buildings are cooled by fresh water drawn from nearby Lake Klara, stored in ice tanks in the basement. About 20,000 m2 of material has been reused from the building previously occupying the site. At the heart of the Waterfront development is a large integrated mechanical room, which serves each building, allowing heat and cooling to be deployed to individual buildings as required, and controlled by each building. Contractors working on the HVAC system chose the project to pilot the use of grooved-end mechanical pipe joining â€“ the first time this method had been used in a mechanical room in Sweden. It helped get the job done on time and on budget, and convinced the contractor to use grooved technology more extensively in the future Whilst the prefabrication of welded sections was completed off-site, pipework was assembled on-site using the grooved method. And because welding was not used on the site, the installation met the projectâ€™s Green criteria. Grooved-end pipe joining causes zero emissions, so workers and the atmosphere were not exposed to toxic fumes, and no electrical energy was used in the joining process.
job waste. Unlike soldering and brazing methods, grooved mechanical joints do not require flux to seal the joint, which must be flushed and cleaned from the system prior to operation. Additionally, soldered systems may require as much as 35% re-work for failures. Grooved mechanical pipe joints can be visually inspected for proper installation so re-work is minimal, saving energy, resources and time on the job, while being generally easier to align and rotate.
Accurate prefabrication also reduces the need to over-order product for site assembly
compress construction schedules and reduce environmental impact. In fact, while piping system materials can account for as little as one per cent of total installed costs on a project, their installation time can eat nearly 30% of the entire project schedule. Therefore, when considering the significant schedule and cost advantages, as well as optimised energy consumption achieved by strategic prefabrication, one can begin to see why prefabrication is, indeed, coming of age. Fabrication shops provide a cleaner, more
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Advantages of prefabrication Piping is an area where front-loading efficiencies and maximising productivity can produce significant savings in man-hours, and ultimately help
Grooved prefabrication minimises transportation costs and site impact.
organised environment, where tooling and efficient layouts allow pipe spools to be manoeuvred more safely and more quickly than on the jobsite, resulting in less material waste and optimised energy use. Accurate prefabrication also reduces the need to over-order product for site assembly, leading to reduced lay down area and minimising overall site impact. Grooved prefabrication also minimises transportation costs. Joined pipe can be prefabricated and configured to lay flat on a truck bed, unlike prefabricated welded spools. This means that two-thirds more material is transported per truckload as compared to welded pipe spools.
Whole life benefits
The LEED Platinum-rated Alberici Headquarters in the United States benefited from the innovative design flexibility of grooved mechanical pipe joining.
Installing a mechanical grooved piping system in London´s Hackney Borough Council Customer Service Center reduced the total system weight and enhanced on-site material handling.
The Tetra Pak facility in Pune, India, was awarded Platinum Certification by the Indian Green Building Council (IGBC).
Energy costs typically represent 30% of a building’s annual budget, and are the single largest operating cost (Energy Star). The Energy Systems Lab at Texas A&M University has indicated that energy use in buildings could be reduced from 10 to 40% by improving operational strategies in buildings, including maintenance strategies. The grooved piping system is effective on a variety of piping systems, including the promotion of lighter wall pipe on a variety of applications. Lighter wall pipe can provide 5 to 10% more cross-sectional flows than welded pipe. Pipe couplings and fittings are designed to minimise friction, improve throughput and, thus, reduce power requirements at the pump. Additionally, with soldered or brazed piping systems, accessing valves, strainers, pumps and water softeners is often a time-consuming and inconvenient process due to necessary system shutdown and drainage. In practice, the more difficult the process, the more likely the maintenance will be deferred. For access to a grooved piping system, a maintenance person simply
During installation, mechanical grooved piping systems significantly reduce or eliminate waste, emissions and noise pollution on the jobsite, providing a safer and healthier environment
loosens the two coupling bolts. A lot of buildings also suffer from temperature variations that can lead to tenant complaints, high energy consumption and increased operating expenses. In most cases, these faults can be easily resolved by installing grooved balancing valves in the heating or cooling system in conformance with original design performance specifications.
Grooved contribution In order to promote sustainability through the life of a building, there are various certification systems all over the world – often called Green or Sustainability Building Councils – with different responses tailored for different regions. These various certification bodies and the criteria they use to classify a building’s energy consumption and level of sustainability vary from region to region, but the goal remains the same. From Cambodia to Uruguay, and from China to Brazil, grooved piping systems have been installed in numerous LEED-rated buildings, including the LEED Platinum-rated Manitoba Hydra Building in Canada, the LEED Platinum-rated NHN Data Centre in Korea, and the LEED Platinum-rated Alberici Headquarters in the United States. In Europe, grooved mechanical pipe joining systems were used in the Stockholm Waterfront, one of Sweden’s largest Green projects, which was recently awarded LEED Gold status. Sustainability was a key criterion for the development, particularly in the use of energy-efficient systems for heating and cooling. (For details, see Case study – Stockholm Waterfront, on the previous page.) Thus, grooved mechanical systems can contribute towards LEED certification, as also BREEAM (Building Research Establishment Environmental Assessment Method) certification. Grooved mechanical systems can contribute to ratings success with agencies in a variety of ways. Here are just a few of them:
Management of waste and content recycling Because grooved mechanical pipe joining systems can be produced utilising recycled materials, and the sand for the casting process can be recycled, less construction and demolition debris is disposed of in landfill and incineration facilities, more resources are recovered, recycled and returned to the manufacturing process, and more materials are reused on jobsites. Site waste can also be minimised through
lean manufacturing by producing and shipping only required materials, as well as coordinating deliveries according to the contractor strategy and schedule.
Indoor air quality during construction Unlike welding, which emits highly toxic pollutants, uses vast amounts of electrical energy and speciality gases, mechanical grooved pipe joining systems feature flameless connections and avoid impact on human safety and the environment.
system installation and efficient operation through the entire life of a building. Environmentally conscious practices and products positively impact people, the planet and the bottom line of businesses. Mechanical pipe joining is a highly effective and reliable alternative to traditional pipe joining methods that can deliver sustainability advantages at every stage, throughout the life of a building. Todayâ€™s engineering and construction professionals are increasingly focused on constructing buildings that are
environmentally sustainable, flexible and energy efficient. The demand for building materials, products and design solutions that factor into creating a sustainable environment has risen dramatically, and adopting a tried and trusted alternative pipe joining method can be a sound way of contributing to sustainability goals. CPI Industry accepts no liability for the views or opinions expressed in this column, or for the consequences of any actions taken on the basis of the information provided here.
Lowering emissions Grooved mechanical fittings and couplings can be dip-coated, a process that creates less wasted paint, does not pose hazardous air pollutant (HAP) risks or does not contain as many VOCs as spray processes.
Comfort for occupants Use of a grooved mechanical balancing valve system can enhance overall project ventilation and air distribution flow. Balancing valves maintain a dynamic flow that enables the HVAC system to provide correct energy output at all times, thus promoting comfort for occupants.
Continuous innovation Manufacturers of grooved pipe joining systems are continuously looking for new opportunities to meet customer demands for innovative, superior green products, such as faster installing environmentally friendly installation-ready couplings, which join pipes without the need to disassemble bolts, nuts and housings.
Conclusions It is vital that sustainable solutions are considered at every stage in the construction process â€“ from research and development to product manufacturing,
Balancing valves maintain a dynamic flow that enables the HVAC system to provide correct energy output at all times, thus promoting comfort for occupants
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PROCESS COOLING REPORT
Given that cooling towers play a critical role in process cooling in HVAC applications, it helps to be aware of the pitfalls one could encounter. We collate the most important ones for easy reference… By Pratibha Umashankar | Associate Editor
t is an axiom that the efficiency of a process cooling system is as good as the cooling tower and its components. A cooling tower impacts the overall functioning of process cooling, just as several factors impede the smooth running of a cooling tower. “In the food industry, where a cooling tower supports critical food processing machinery, the HVAC system as well as refrigerators and freezers, the loss of even part of the cooling power can cause extensive losses of frozen products, produce or other perishable products,” warns Ed Sullivan.1
CHALLENGES Ambient heat: One of the biggest challenges that reduce the cooling capacity of a cooling tower is high ambient temperature. This is even more acute in the Middle East region, where the mercury soars in summer months, putting a severe strain on the equipment and, thereby, the processes. In this regard, Sullivan cites Tom Ryder, a cooling tower customer support specialist: “Even if the downstream equipment is not impacted directly by hot weather, the cooling tower is,” explains Ryder. “Therefore, unless the cooling tower is well maintained, the water it provides devices, such as heat exchangers, production machinery and HVAC systems, will be less able to draw off heat. For example, the ‘cold side’ of
a heat exchanger will receive water that is not as cool as optimum. Therefore, the heat exchanger will be less able to draw off heat from process fluids.”1 Contaminants: Water is used in process cooling systems as a medium to transfer heat and, sometimes, also as the final point of heat rejection into the atmosphere. A typical water-cooled system is, therefore, prone to contaminants like scaling, fouling, corrosion, dust and microbiological activity. This is true even when potable water is used. Any one of the contaminants singly, or in combination, could affect the efficiency of the system, thereby leading to: 8dbegdb^h^c\i]ZfjVa^ind[lViZg >cXgZVhZYlViZgjhV\Z >cXgZVhZ^cdeZgVi^dcVcYbV^ciZcVcXZXdhih JchX]ZYjaZYYdlci^bZ GZYjXZYXVeVX^in ;gZfjZcigZeaVXZbZcid[eVgih GZYjXZYadc\Zk^ind[i]ZhnhiZb Apart from these, more significantly, it could pose a health hazard to those who come in contact with the water/system. Let us address these one by one:
Corrosion Corrosion is defined as “the destruction or loss of metal through chemical or electrochemical reaction with its surrounding environment.”6 Simply put, free oxygen in the water passes over a metal surface and reacts with it, causing corrosion of the metal. Corrosion in cooling water systems can occur for several reasons. A few of them are: 8dchiVciVZgVi^dcd[lViZg!aZVY^c\id[gZh]hjeeand[ oxygen 8]Zb^XVahjhZYidegZkZcihXVa^c\WnXdcigdaa^c\e= being overfed 6cVZgdW^XWVXiZg^V[adjg^h]^c\jcYZgYZedh^ihVcY^c stagnant areas of the system causing severe localised corrosion and pitting.7 Corrosion needs to be controlled, because metal once lost, cannot be replaced, and leads to premature loss of plant assets. It could also cause fouling. Fouling Fouling is also a form of deposition but of suspended matter. Foulants enter a cooling system through
AHU & FCU
Split Units Ductded & Packaged Units
Scaling Scaling is the deposition of salts and other mineral particles present in water. The deposits range from thin, tightly adherent films to thick, gelatinous masses, depending on the material deposited and the mechanism causing the deposition. Scale deposits are typically formed by precipitation and crystal growth on surfaces in contact with water, such as heat exchangers and pipelines. “Precipitation occurs when solubilities are exceeded either in the bulk water or at the surface. The most common scale-forming salts that deposit on heat transfer surfaces are those that exhibit retrograde solubility with temperature.”2 Generally, mineral deposits become less soluble with increase in temperature, which happens when cooling water systems absorb heat from the processes they are cooling. “As the water is cooled through evaporation, the concentration of all the dissolved solids in the remaining re-circulating water, including calcium carbonate increases. Left unchecked, calcium carbonate will precipitate as sludge in the cooling tower and as a deposit in the heat exchanger.”3 Needless to say, scaling takes a toll on energy efficiency, hampers production and causes a possible system shutdown. “This can cost millions of dollars in process cooling,” says Peter Tracey, an expert on the subject.4 Jean-Marc Marchand of Stellar Energy underscores this: “Scaling up of heat transfer surfaces impedes performance of the system and shortens the life of the equipment. This also increases the consumption of water and energy, which is incongruous to the environmental and economic benefits of free and partial free cooling.”5 In addition, the deposits cause oxygen differential cells to form. These cells accelerate corrosion and lead to process equipment failure.
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PROCESS COOLING REPORT
The build-up of sediments and debris through fouling poses operational challenges, inhibits heat transfer, impedes the flow of water and increases the use of cooling water
makeup water as particulate matter, airborne contaminants, process leaks and, as stated earlier, through corrosion. Both iron and aluminum are particularly harmful, because they can act as coagulants. Process leaks introduce a variety of contaminants that accelerate deposition and corrosion.2 Airborne contaminants usually consist of clay and dirt and dust particles but can include gases, such as hydrogen sulphide, which form insoluble precipitates with many metal ions. “In this region, we experience a lot of environmental dust, which is scrubbed from the air by the action of cooling towers,” warns Tracey. “The effects of this are similar to scaling, and often, the two phenomena are confused.”4 The build-up of sediments and debris through fouling poses operational challenges, inhibits heat transfer, impedes the flow of water and increases the use of cooling water. The control of fouling by preventing agglomeration is one of the most fundamental aspects of deposition control, believe experts. In addition, proper planning at the design stage can minimise the negative effects of fouling. Microbiological activity Cooling water systems, unfortunately form ideal breeding grounds for microbiological activity, as the temperature is conducive to their growth. Coupled with this is the fact that contaminants contained in the air enter the system when the air is drawn in, resulting in unwanted growth, such as algae, slime, fungus and Legionella. In a nutshell, elevated temperatures and contaminants encourage microbiological activity – another challenge we need to be mindful of in the region. Microbial organisms, once they enter the system, form colonies at places where there is low water velocity, and are particularly difficult to eliminate. Apart from causing loss of heat transfer, plugging nozzles and strainers, they are potential health hazards. Because of their rapid and persistent growth, combatting biological
fouling needs to be addressed differently than scaling and corrosion. The control of Legionella, in particular, is important, as it could cause Legionnaires’ disease to those who work or live in its proximity, and could even prove to be fatal. Conclusion It needs to be remembered that the
challenges of scaling, fouling, corrosion and microbiological activity are interrelated and a multi-pronged approach is needed to overcome them. The treatment regimen, therefore, needs to be a judicious combination of the right kind of equipment, chemical treatment and constant vigilance. In this context, Tracey points to another dimension – increasing environmental demands. “The use of chemicals as scale and corrosion inhibitors as well as biocides are typically being squeezed,” he says, “by tighter environmental legislation. Leading water treatment companies, are therefore, constantly upgrading their chemical products to meet new legislation.”4 This, in itself, is proving to be yet another challenge to contend with, for the process cooling industry. Above, all, preventive maintenance of cooling towers and timely replacement of equipment can keep process cooling in fine fettle, as also those who work in their proximity.
References: 1. ‘Protect process cooling systems from costly summer ‘fatigue’’: http://www.reliableplant.com/ Read/25842/cooling-systems-costly-fatigue 2. http://www.gewater.com/handbook/cooling_ water_systems/ch_25_deposit.jsp 3. http://www.hohwatertechnology.com/coolingwater-systems.html 4. Peter Tracey, Scaling the cooling towers in Climate Control Middle East, The Process Cooling Report, March 2014 5. Jean-Marc Marchand, How to optimise industrial process and data centre cooling, Climate Control Middle East, The Process Cooling Report, March 2014 6. http://www.slideshare.net/ 7. http://www.hohwatertechnology.com/coolingwater-systems.html
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World Green Economy Summit announces programme Will be held under new theme – ‘Driving Global Green Economy’
nder the patronage of H.H. Sheikh Mohammed Bin Rashid Al Maktoum, Vice President and Prime Minister of the UAE, and Ruler of Dubai; H.E. Saeed Mohammed Al Tayer, Vice Chairman of the Dubai Supreme Council of Energy, MD and CEO of Dubai Water and Electricity Authority (DEWA) and Chairman of World Green Economy Summit (WGES), recently hosted a press conference to outline the agenda and speakers for the third World Green Economy Summit. Sharing the information through an official announcement, the WGES committee said that the summit, operating under the new theme of ‘Driving Global Green Economy’, will take place on October 5 and 6 at Dubai International Convention and Exhibitions Centre. WGES 2016, hosted by DEWA, under the
umbrella of the Dubai Supreme Council of Energy, in collaboration with World Climate, is reportedly supported by the United Nations, and will run in conjunction with the 18th session of Water, Energy & Environment Exhibition (WETEX) and Dubai Solar Show 2016. In his speech during the press conference, Al Tayer highlighted that WGES 2016, whilst outlining and positioning the United Arab Emirates’ vision and Dubai Plan 2021, also aims to support Dubai’s ambitions in the Green Economy sector and drive the Clean Energy Strategy 2050. “Locally, we are working to achieve the objectives of the UAE’s Green Growth Strategy launched in January 2015,” Al Tayer said. “Yearly public investments reaching 2.4% of total GDP in technology and enhancing Green efficiency in all economic activities will help increase the rate of
economic growth by 4-4.5% by 2030.” The event will reportedly see participation by a number of distinguished speakers, and incorporate plenary sessions, breakout sessions and a selection of expert-led presentations, covering key topics, including, Green Finance, solar energy, Road to COP 22 in Marrakech and public private partnership platform. In his speech, H.E. Thani Al Zeyoudi, UAE Minister of Climate Change and Environment, said that his ministry is keen on collaborating with all stakeholders to support Green growth through 96 initiatives. Adnan Amin, Director-General of the International Renewable Energy Agency (IRENA), highlighted that convening platforms like WGES are critical to promote cooperation between private investors and public finance institutions.
Sheikh Ahmed launches Demand Side Management programme Named Taqati, it will be managed by Etihad ESCO within the DSCE framework
ubai Supreme Council of Energy (DSCE) has announced the launch of the Demand Side Management (DSM) programme, at an event held recently in Dubai, in the presence of H.H. Sheikh Ahmed bin Saeed Al Maktoum, Chairman of the DSCE, and H.E. Saeed Mohammed Al Tayer, Vice Chairman of the DSCE. “In accordance with the directives of H.H. Sheikh Khalifa bin Zayed Al Nahyan, President of the UAE, and his brother H.H. Sheikh Mohammed bin Rashid Al Maktoum, Vice President and Prime Minister of the UAE and Ruler of Dubai, and H.H. Sheikh Mohammed bin Zayed Al Nahyan, Crown Prince of Abu Dhabi and Deputy Supreme Commander of the UAE Armed Forces, we are gathered today to celebrate this great announcement,” said Al Tayer in his
speech at the launch. He informed that the programme would be managed by Etihad ESCO within the framework of the DSCE. He elaborated that the DSM strategy is built around nine core programmes, whose components include building regulations, building retrofits, District Cooling, standards and labels for appliances and equipment, water reuse and efficient irrigation, outdoor lighting, demand response and the Shams Dubai initiative to regulate the generation of solar energy in buildings. During the event, Sheikh Ahmed revealed that the DSM programme manager, Demand Efficiency programme, would be called Taqati. The ceremony reportedly featured video presentations on the DSM strategy and important updates and achievements of the programme, which was presented by Aref Abou Zahr, Executive Director of Taqati.
DEWA to host Dubai Solar Show in October Will be platform for public and private sectors to build partnerships, says Al Tayer
ubai Electricity and Water Authority (DEWA) has announced that it will be organising the first Dubai Solar Show, in conjunction with the 18th Water, Energy, Technology and Environment Exhibition (WETEX 2016), to be organised under the directives of H.H. Sheikh Mohammed bin Rashid Al Maktoum, Vice President and Prime Minister of the UAE and Ruler of Dubai, and under the patronage of H.H. Sheikh Hamdan bin Rashid Al Maktoum, Deputy Ruler of Dubai, Minister of Finance and President of DEWA. Dubai Solar Show, said the announcement, to be held from October 4 to 6, 2016, at the Dubai International Convention and Exhibition Centre, will cover an area approximately 13,000 square metres and attract exhibitors from around the world. “The significant development of solar photovoltaic technologies, combined with 75% drop in cost over the past 10 years, have made it a popular option in various parts of the world to increasingly rely on solar energy,” said H.E. Saeed Mohammed Al Tayer, MD and CEO of of Dubai Water and Electricity Authority (DEWA). “According to the Middle East Solar Industry Association, only 70 MW of solar PV projects were awarded between 2006 and 2013 across the region, while projects of 294 MW were awarded in 2014 alone. This is a four-fold increase in demand for solar energy in one year compared to the seven previous years combined.” Speaking about the Dubai Solar Show, Al Tayer added that it will be a key platform for the public and private sectors to make deals, build partnerships, review the latest solar energy technologies, learn about current and future projects in the region and market needs and explore opportunities to take part in solar energy projects and programmes.
Honeywell installs smart thermostat at UAE mosque Cuts energy costs by 37% at Al Tawba Mosque during six-month pilot programme
oneywell has announced the results of what it claims to be the first-ofa-kind thermostat pilot programme at Al Tawba Mosque, Sharjah through the use of its VisionPRO 8000 smart thermostats. Designed for mosques, with an auto-azan feature that uses location coordinates to calculate prayer times and automatically adjust temperatures, the programme, said Honeywell, was piloted over a period of six months, between August 2015 and January 2016. The results demonstrated year-over-year energy savings of 37%, Honeywell revealed, and elaborated that before the installation of the thermostat, the consumption during the six-month period was 2,075 KW, and after the installation, it was 1,297 KW, thus yielding energy savings of 778 KW, and an ROI of three months. Honeywell added that the findings have been endorsed by the Sharjah government’s Department of Islamic Affairs, which oversees mosques in the emirate. VisionPRO 8000 thermostat launched last August, supports the United Arab
Emirates’s Green Economy for Sustainable Development initiative, said Honeywell. With more than 5,000 mosques in the country, and tens of thousands more in the Gulf region, Honeywell said that its technology has the potential to significantly reduce energy consumption in the region. Following the results of the pilot programme, Honeywell said that it is conducting other pilot studies at various mosques in the United Arab Emirates and Saudi Arabia, with more being planned in other Middle Eastern countries. “With this unique product, mosques in the region can be made more comfortable when required, while also providing an intuitive and sustainable solution for mosque caretakers during off-peak times,” said Norm Gilsdorf, President for Honeywell’s Middle East, Russia and Central Asia regions. Dilip Sinha, General Manager for Honeywell Environmental and Energy Solutions in the Middle East, Turkey and Africa region, added, “In this case we designed the auto-azan feature to enhance existing Honeywell programmable
thermostat technology to meet the cultural needs of the region, and to help support the United Arab Emirates’ sustainable development plans.” Speaking to Climate Control Middle East on the side lines of the press conference to announce the results of the pilot project, Gilsdorf said: Mosques are massive in size, and also are open. In conventional air conditioning systems in mosques, we noticed there is only one set point temperature, so the energy consumption is high. Our thermostat allows for an adaptive set point temperature, which gives energy efficiency and also maintains a comfortable indoor air temperature (thermal comfort). Through our thermostat, you can set date, time and location coordinates, and it will automatically provide a solution that is adaptive to the prayer timings.” When asked if specialised expertise was needed for commissioning the thermostat, he replied: “It is a plug-and-play approach, where the user can connect to the existing wiring. Anybody can handle the commissioning. You don’t need technical expertise.”
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Two new Dubai-based schools aim for LEED certification
Royal Cool opens showroom in Ajman
Have adopted Green initiatives in their construction and operation
Business partner, Tecumseh, participated in opening ceremony
he Arcadia Preparatory School, which will open in Jumeirah Village Triangle this August, has announced adopting Green initiatives in the construction and operation of its school premises, in a bid to achieve LEED certification. The school, said the announcement, was shortlisted for last year’s ‘Education Project of the Year’ category at the annual Middle East Architect Awards. Meanwhile, its sister institution, Ladybird Early Learning Centre, in Dubai’s Jumeirah Village Circle, run under the aegis of Ladybird Nursery, is aiming to become the first dedicated early years setting in the Middle East to be LEED gold-certified for its eco-friendly building initiatives, claimed the Arcadia Group, part of Al Shirawi Group. According to the Arcadia Group, the preschool has been designed and constructed keeping environmental sustainability in mind, with 25% of the nursery’s construction material being recycled, 25% of the actual construction material
itself having been imported within an 800-kilometre radius, thereby reducing the carbon footprint The school management revealed that post-construction, the air conditioning will be switched off automatically upon opening the windows, the air conditioning drain water would be recycled and re-used for irrigation and each of the 15 classrooms would incorporate energy-efficient fans and lighting. “By pursuing the stringent LEEDaccreditation process, we are committing ourselves not only to positive climate change but to the wellbeing of our children, staff and wider community,” said Navin Valrani, CEO of The Arcadia Preparatory School. Monica Valrani, CEO of Ladybird Nursery and Early Learning Centre, added, “Research is now pointing to long-term respiratory illnesses that can arise as a result of sick buildings, and we want to ensure that our children will be protected from those sorts of effects, with the creation of Ladybird Early Learning Centre.”
oyal Cool has announced opening a new showroom in Ajman, to meet increasing demand for cooling equipment. The announcement added that on the occasion, Tecumseh, the company’s business partner, was represented by Bill Merrit, Global Lead, Platform Management; Ryan Burns, Global Head, Engineering; N Narasimhan, Managing Director, India; P Venkatesh, VP Sales, India and Hemal Trivedi, Deputy General Manager, Sales, Middle East. The Tecumseh team reportedly participated in the ribbon-cutting ceremony. Also present on the occasion, said Royal Cool, was its management team, represented by Imad Abduljabbar Taha, CEO; Manhal Salih, Planning Manager; Mustafa Abduljabbar, Engineering Manager and Grace Perlada, Sales Executive, along with the staff.
Imdaad unveils Integrated Network Operations Centre at FM EXPO
Facility has jointly been developed with Robotina, a Slovenia-based automation solutions provider
mdaad, a provider of integrated facilities, environment and energy management solutions in the GCC region, has announced launching its Integrated Network Operations Centre (INOC) during its participation at the 2016 FM EXPO, held from May 23 to 25, 2016 at the Dubai World Trade Centre. The company, said the announcement, also held a live demonstration of the centre to showcase remote management and monitoring of its customers’ sites and facilities. Giving details, Imdaad said that INOC is an intelligent command and control
centre based on the Internet of Things (IoT) concept, and developed jointly with Robotina, a Slovenia-based automation solutions provider. According to Imdaad, INOC intelligently analyses the performance trends of interconnected assets and correlates with the behaviour of the building’s eco-system to come up with a set of recommendations and corrective actions, which the system administration can apply automatically or selectively. Its features reportedly include a cognitive computing platform, predictive maintenance capability, seamless machine-tomachine (M2M) communication, automatic corrective measures, real-time monitoring and
tracking of assets and energy management. Claiming that the technology will help conserve energy, reduce carbon footprint and bring down operational cost, Jamal Abdullah Lootah, CEO of Imdaad, added: “Its other benefits include, a healthier working and living environment, a better and greener building and transparent contract reporting. While we are confident that environment- and cost-conscious customers, who value their assets, would take keen interest in this next-generation technology, our primary target sector remains commercial office buildings and industrial facilities.”
U.S. Chiller Services forms new JV company with The BP Group Will offer full range of HVAC services for large-tonnage chillers and equipment
.S. Chiller Services, specialist provider of repair, maintenance, retrofit and servicing of large-tonnage centrifugal chillers, liquid chillers and energy solutions, as well as operation and maintenance services for the District Cooling industry, has announced entering into a joint venture agreement with The BP Group, dealing in HVAC mechanical, service and building technology industry in the New York City tri-state area. The new U.S. Chiller Services NY, the announcement said, will be located at the corporate facility of The BP Group in Glendale, New York, with an expanded client portfolio in the New York City tri-state area, inclusive of New Jersey, Westchester and Connecticut. “With U.S. Chiller Services NY, we will now be able to offer a full range of HVAC services to a parallel market of large-tonnage services, which The BP Group currently does not provide service for,” said Jack Fanneron, President of The BP Group. “With the market presence of The BP Group and the genius and technology of U.S. Chiller Services, this joint venture will offer an alternative solution to the OEM-dominated market, which currently services this market area.” Dan Mizesko, Managing Partner of U.S. Chiller Services, added: “Our focus is on energy efficiency and reliability. We currently optimise service and maintain over one million tonnes of liquid chillers in the Gulf Region, and have developed solutions that have been proven to save substantial KW per tonne, as well as cost, to produce a tonne of chilled water, and we would like to bring this expertise back home to the New York City area. Once the end-users experience the type of solutions that we offer, I am sure that we will be as successful here as we have been in the Gulf Region.” U.S. Chiller Services has a base in the Middle East since 2001 as Al Shirawi U.S. Chiller Services – a joint venture company between Dubai-based Al Shirawi Group and U.S. Chiller Services.
Empower to host IDEA International District Cooling Conference 2016 Bin Shafar terms it a vote of confidence for Dubai’s role as partner in achieving sustainability worldwide
.E. Ahmad Bin Shafar, CEO of Empower, has announced that Dubai will play host to the 2016 IDEA International District Cooling Conference, to be held from November 13 to 15. The announcement was made at the conclusion of the 107th International District Energy Association (IDEA) Annual Conference and Trade Show, which ran from June 20 to 23, in Saint Paul, Minnesota, United States. The three-day event, Empower said, will focus on developing the best District Cooling technologies and solutions in the MENA region and other developing countries via the United Nations Environment Program (UNEP), where Empower is playing an instrumental role in its implementation of District Energy in
Cities initiative. It added that the conference will attract participation of experts and professionals in the District Cooling industry from around the world. “Dubai is building a sustainable future for its nationals and expatriates, and it is developing a fertile environment for conducting businesses that depend on energy efficiency practices,” Bin Shafar said. “Hosting this conference in the UAE reflects the confidence in Dubai’s role and resources and its global competiveness. It also demonstrates the advancement of the local energy sector that always strives to adopt latest practices as far as creativity, innovation and organisational frameworks are concerned. Selecting Dubai to host the conference also shows the achievements made by the emirate on the environment and energy efficiency fronts few years back.”
Leminar inaugurates Logistics Centre for HVAC supplies Facility can accommodate a stock inventory worth up to AED 100 million
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eminar Air Conditioning Company has announced inaugurating its Central Logistics Centre at Ras Al Khor Industrial Area in Dubai. The recently expanded warehouse, the announcement said, spreads over an area of 168,000 square feet and has a capacity of 7,531 pallet slots. The inauguration of the facility, said Leminar, was attended by H.E. Hisham Al Shirawi, Vice-Chairman of Dubai Chamber of Commerce & Industry and member of the Board of Directors of Al Shirawi Group, and Navin M Valrani, CEO of Leminar Air Conditioning Company. According to Leminar, the facility is one of the largest of its kind in the country for the HVAC market, and can accommodate a stock inventory worth up to AED 100 million, and is controlled by an Oracle-based Warehouse Management System, which allows the company to plan, track and monitor deliveries in an efficient manner.
Leminar claimed that the WMS currently helps in prioritising deliveries, improves labour productivity and maximises space utilisation. “The second phase of technology upgrade is planned, which will add several more intelligent features, like ageing stock identification, quantity recommendations for fast-moving products and paperless picking,” said Jason D Matos, Corporate Manager of Logistics, Leminar Air Conditioning. Pramodh Idicheria, General Manager, Leminar Air Conditioning Company, added: “The market is evolving quickly and companies that do not plan their strategy ahead are going to be irrelevant. By expanding our storage facility and distribution channels, and through new partnerships and acquisitions, we are confident of establishing a stronger presence over the regional HVAC industry.”
Faisal Jassim Trading Company participates in CSR initiative
Company’s volunteers visit Rashid Centre for Disabled and assist in buying therapy equipment
aisal Jassim Trading Company (FJTCO), dealing in electrical and mechanical products related to the building services industry, has announced supporting the children with special needs at Rashid Centre for Disabled, Dubai, as part of its CSR initiative. The company said that it has contributed to the centre by assisting in buying therapy
equipment for the children. According to FJTCO, its volunteers, who visited the centre, expressed their resolution to be, “Share, care, contribute, volunteer”, coupled with positive thinking and awareness, which purportedly endorses the company’s avowed objective – to be grateful for what we have and help others who are not as fortunate.
Empower participates in 107th IDEA Conference Urges global DC industry to focus on R&D to realise future cities
Empower contributes to District Energy in Cities initiative UNEP initiative part of European Union Sustainable Energy Week 2016
BSRIA Global Air Conditioning Study shows that market slowed down in 2015 The biggest PAC (packaged air conditioning) market, Asia-Pacific, accounting 61% of the world market by volume, declined by five per cent, says the study
Visit www.climatecontrolme.com to read the stories
This was the message of the volunteers of the initiative, whose aim was to raise interest within the business and society to support some of those initiatives through philanthropy, said FJTCO, in a statement, and added: “We are humbled by the efforts invested in the centre to bring out a smile on the children’s faces. We congratulate the centre for their drive and their amazing work to help the children and the community through them.” Mariam Othman, CEO of Rashid Centre, on her part, said: “No doubt that such visits deepen the relationship between Rashid Centre for the Disabled and the organisations. We highly appreciate Faisal Jassim Group for their initiative and for everything they offered during the visit.”
Final Kyoto analysis shows 100% compliance claims study Has used data for national GHG emissions and exchanges in carbon units
ll 36 countries that committed to the Kyoto Protocol on climate change complied with their emission targets, according to a scientific study released recently in the academic journal, Climate Policy. Sharing the information, Biological, Earth and Environmental Science Journals and Taylor & Francis Group, which partners with researchers, scholarly societies, universities and libraries worldwide, highlighted that the Kyoto process and climate-related policies represented a low cost for the countries involved – up to 0.1% of the GDP for the European Union and an even lower fraction of Japan’s GDP. This, said the study, is around one quarter to one-tenth of what experts had estimated after the agreement was reached in 1997, for delivering the
targets set 15 years ahead. The study reportedly underscored that the United States never ratified the treaty, and Canada withdrew, but all the rest continued, and Kyoto came into force in 2005. According to the Biological, Earth and Environmental Science Journals, the results, reported in Climate Policy, are the first published results to use the final data for national GHG emissions and exchanges in carbon units, which only became available at the end of 2015, and show that overall, the countries that signed up to the Kyoto Protocol surpassed their commitment by 2.4 GtCO2e yr – 1 (giga-tonnes of CO2 equivalent per year). “There is often skepticism about the importance of international law, and many critics claim that the Kyoto Protocol failed,”
said Prof Michael Grubb, Editor-in-Chief of Climate Policy, and co-founder of research network, Climate Strategies. “The fact that countries have fully complied is highly significant,” he said, “and it helps to raise expectations for full adherence to the Paris Agreement.”
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Ziehl-Abegg Middle East appoints David Miller MD His experience in HVAC industry and regional knowledge an asset for new challenges, says company
ermany-headquartered Ziehl-Abegg, manufacturer of fans and drives, has announced appointing David Miller Managing Director at Ziehl-Abegg Middle
East. Miller has already worked for various organisations in the Middle East, Europe and the United States, the announcement said, and added that his vast experience in the HVAC business and regional knowledge provide a good base for the new challenge, which is to help Original Equipment Manufacturers (OEMs), by sharing expertise and supporting their product development.
“Our business in the Middle East is growing rapidly, and his appointment enables an improved service for our local and regional customers,” said Peter Fenkl, CEO of Ziehl-Abegg. “He has an excellent technical knowledge of the cooling, heating and ventilation business.” Miller, on his part, added: “My goal is to offer the market innovative solutions that reduce both noise and energy consumption, whilst demonstrating the quality benefits and reliability of our Germanengineered products. This is only possible if the OEM works closely together with the fan and drive producing company.”
ASSOCIATIONS & SOCIETIES
AHRI, ASHRAE, DOE partner to fund flammable refrigerant research Programme will help accelerate updating of model building codes
he Air-Conditioning, Heating, and Refrigeration Institute (AHRI), ASHRAE, and the U.S. Department of Energy (DOE) are collaborating to fund research to establish a more robust fact base about the properties and the use of flammable refrigerants, ASHRAE has announced. The USD 5.2-million research programme, said ASHRAE, is part of an ongoing global effort to phase down the use of high-global warming potential (GWP) refrigerants and identify appropriate climate-friendly alternatives. Of the total, DOE is contributing USD 3 million, ASHRAE USD 1.2 million, and AHRI USD 1 million, the announcement elaborated. According to ASHRAE, the industry has spent the past five years researching potential alternatives, and has identified several refrigerants, many of which are low in toxicity, but are classified as mildly flammable or flammable. The new research programme, ASHRAE claimed, will provide the technical knowledge needed to facilitate and accelerate the safe use of these refrigerants. The results of the research, ASHRAE said, will be transmitted to the committees responsible for ANSI/ASHRAE Standard 15-2013, Safety Standard for Refrigeration Systems, and American National Standards Institute (ANSI)/ ASHRAE Standard 34-2013, Designation and Safety Classification of Refrigerants, to use the results to update the standards, subject to full compliance with the ANSI consensus process. The International Code Council (ICC) has stated that these revised ASHRAE standards will be eligible to be fast-tracked into the international codes, in accordance with ICC procedures. Saying that ASHRAE is fully committed to the project, David Underwood, ASHRAE President, revealed, “In fact, the funds we are using for our share represent the largest transfer from our Research Reserve Fund in our 122-year history.” Stephen Yurek, AHRI President & CEO, added that AHRI’s member companies can use the results of the research to continue in those missions, “but in an even more environmentally friendly way”.
ASHRAE Legionella Standard provides basis for New CDC toolkit Helps identify where Legionella could grow and spread in a building, says ASHRAE
SHRAE has announced that guidance from ANSI/ASHRAE Standard 188-2015, Legionellosis: Risk Management for Building Water Systems, has become the basis of a new toolkit by the Centers for Disease Control (CDC). The toolkit, “Developing a Water Management Program to Reduce Legionella Growth and Spread in Buildings: A Practical Guide to Implementing Industry Standards,” was released recently, ASHRAE said, and added that it provides a checklist to help identify if a water management programme is needed, examples to help identify where Legionella could grow and spread in a building, as well as ways to reduce risk of contamination. “ASHRAE is pleased to have worked with the CDC to help safeguard public health,” ASHRAE President David Underwood said. “We saw the need for this shortly after the standard was published, when an outbreak in New York City left at least 12 dead and 120 infected. At that time, portions of the standard were adopted by the city.” An earlier version of the toolkit was reportedly developed by the CDC, the state of Michigan and Genesee County to encourage at-risk building owners in Flint, Michigan, to design and implement Standard 188-compliant water management plans. ASHRAE revealed that it took part in a town hall meeting there to educate officials about the risks.
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This section contains updates on regional and international products.
Halm Pumpen HEP Optimo L+ series
Trane Trane Balance
laiming that it offers simultaneous cooling and heating capability from one single system, to meet operational needs in theatres, offices, hotels and hospitals, Trane has announced introducing Trane Balance, the second generation of multi-pipe HVAC range in Europe. The manufacturer lists the following product features and benefits: I]ZIgVcZ7VaVcXZgVc\ZgZXdkZghZcZg\nWnh]^[i^c\jhZ[gdbV separate boiler and chiller to a single, simplified multi-pipe unit that simultaneously delivers hot and chilled water. I]ZhnhiZbji^a^hZhkVg^VWaZheZZYhXgdaaXdbegZhhdgiZX]cdad\n for higher performance. >igZejgedhZhgZ_ZXiZYZcZg\n!dgjhZhgZcZlVWaZZcZg\n[dg heating the facility, thus reducing investment costs, use of floor space and total operating expenses. >i[jgi]ZgadlZghi]ZZck^gdcbZciVa[ddieg^ciYjZidi]ZgZYjXZY quantity of the fluorinated refrigerant used. I]ZZcZg\n^ch^YZi]ZWj^aY^c\^hY^hig^WjiZYi]gdj\]djii]Z system with water; thus, the refrigerant is contained in the unit itself, significantly lowering the refrigerant piping, refrigerant charge and risks of potential refrigerant leakage. I]ZcZlgVc\ZVahdZmiZcYhi]ZXVeVX^ind[i]Zbjai^"e^eZ systems, offering up to 780 KW for cooling and up to 880 KW for heating, and is available in four different efficiency levels to suit the customers’ needs. I]ZeZg[dgbVcXZd[i]Zjc^ih^hiZhiZYViIgVcZ¼hiZhi^c\[VX^a^in in Epinal, France, where all units are confirmed to be compliant with Ecodesign regulations.
Tridicator TTD410 series
inters, manufacturer of pressure and temperature instrumentation, has announced introducing new short stem Tridicator TTD410 series. The manufacturer lists the following product features and benefits: I]ZIg^Y^XVidgII9)&%d[[ZghV shorter stem of approximately an inch to fit in boiler applications with limited insertion lengths. >iXdbZhl^i]V'#*"^cX]+(bbY^Va!VegZhhjgZgVc\Zd[ 0/75 PSI/kPa and a temperature range of 20/160 degrees C), compliant to industry standard ASME Boiler Code Section IV HG-612. I]ZhZg^ZhXVcWZjhZYidbZVhjgZWdi]egZhhjgZVcY temperature of hot water and steam for boilers in HVAC applications.
aying that the HEP Optimo L+ series supplements the previous HEP Optimo L series of circulation pumps, Halm Pumpen, in association with Motoren, has announced launching screwconnected and flange pumps, featuring 20 types, with delivery outputs up to a maximum of 45,000 l/h. The manufacturer claims the following product features and benefits: I]Z=:EDei^bdA hZg^ZhXdbZhl^i]YZa^kZgn]ZVYh[gdb eight metres to a maximum of 12 metres; connections G 1 ½ inches and 2 inches and DN32 and DN40, going up to pipe connection DN65, thus covering a wide range of applications for multi-residential occupation and commercial-use buildings. 6abdhiVaabdYZah^ci]ZhZg^Zh]VkZgZVX]ZYi]Z»WZhi^cXaVhh¼ level for high-efficiency pumps, with an energy-efficiency index (EEI) of ≤ 0.20. >cVYY^i^dc!i]Zn]VkZVcVjidbViZYY^[[ZgZci^Va"egZhhjgZ regulating system, called Eco-Mode, offering high energy savings. 6bjai^"[jcXi^dcWjiidc[dgVXi^kVi^dc!WVX`"^aajb^cViZY symbols and a display indicating delivery head, flow rate and output setting make the product user friendly. 6cdei^dcVa[VX^a^inZcVWaZhi]ZZfj^ebZciidWZadX`ZY against unauthorised adjustment by non-experts. =^\]"\gVYZbViZg^VahVcYXVgZ[jaldg`bVch]^e\jVgVciZZ product durability, accompanied by a supplementary five-year guarantee.
rogman Oy, a Finnish software company which develops solutions for the building services industry, has announced launching the MEP Building Information Modelling (BIM) software MagiCAD for Revit and AutoCAD. The company, purportedly among the first five vendors globally with IFC 2x3 CV2.0 Export Certification for all MEP disciplines, lists the following product features and benefits: BV\^869^hV\adWVaangZXd\c^hZYXdbeVi^W^a^in[^aZ[dgbVi for more efficient interoperability and data sharing between different architecture, engineering and construction (AEC) software and various project parties in BIM projects. >iZcVWaZhegdYjXi^k^in"Zc]VcX^c\B:EYZh^\cVcY calculations using Europe’s largest product model database, featuring over one million actual products from manufacturers across the world. :VX]bdYZal^i]^ci]ZYViVWVhZXdbZhXdbeaZiZl^i] accurate dimensions and comprehensive technical data. >id[[ZghadXVa^hVi^dc[dgY^[[ZgZciXdjcign"heZX^[^XhiVcYVgYh! and is used by contractors and designers in a variety of projects.
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Trivia Time! While mining for HVACR facts, one could come across rare nuggets of interesting information. Here are a few of them. Apart from being enjoyable bits of trivia, they can spice up conversations or, better still, be deployed to stump a roomful of the fraternity… By Pratibha Umashankar | Associate Editor
n 1928, when air conditioning was first introduced in the Capitol building in the United States, the engineers involved in the project were not quite sure how the lawmakers would react to the changed atmosphere. Fliers were posted to educate them, which read: “The sensation of chill experienced upon entering the Senate Chamber is due principally to the dryness of the air causing the evaporation of the slight amount of moisture of the skin. After the completion of this evaporation, the body will be perfectly comfortable, for the actual difference in temperature between the inside and outside air is very small. No fear may be felt by the occupants of the Senate Chamber from the conditions produced by this new system of ventilation and air conditioning.” Generally speaking, the senators enjoyed the comfort cooling; however, predictably, a few cribbed about it and aired their views openly. One such person was John E Rankin, a Democrat, who felt that the difference in temperature in and outside the building was drastic, and dubbed it “regular Republican atmosphere”, giving the issue a political hue. He declared, “And it is enough to kill anybody if it continues.” His words drew a round of applause. It’s not clear whether or not the applause was partisan. History is silent on the matter.
Ancient roman frigidarium or cold baths
f the three basic kinds of heat transfer – conduction, convection and radiation – radiation is often less talked about. But as we know, people from ancient civilisations made use of it for thermal comfort – the Romans used hypocausts and frigidariums to heat and cool living spaces. The Lotus Mahal in Hampi, in the southern Indian state of Karnataka, built circa 1500 AD, during the reign of the famed Vijayanagara rulers, is another classic example. Lotus Mahal was the queen’s summer palace. True to its purpose, it was air-cooled through an intricate network of pipe channels along the walls. The palace used a technology, whereby water supplied from the rooftop flowed into the piped network to reduce the temperature in the interiors. The proof of this is evident in the pipeline running above and between the beautifully sculpted arches. The arches also add aesthetic value, with the structure resembling a lotus bud blossoming, reflecting its name. The Hampi complex, dotted with such architectural marvels, is a UNESCO World Heritage site.
ccording to researchers, over the past half a century, 60% of the economic growth around the United States has taken place in cities like Las Vegas and Atlanta, and states like Texas, Florida and Arizona. These regions in the south were earlier shunned owing to harsh weather conditions. Thanks to air conditioning, working and living comfortably in these areas has become possible. Demographics show that there is a population explosion in this belt, as a direct result of air conditioning. Nowhere else is the positive impact of air conditioning on economic growth and influx of population more evident in recent years than in the Middle East, which has witnessed sudden economic boom and become the hub of commerce and migration from around the world. Ironically, living constantly in cool environs makes us less resistant to heat, even if we have lived in a warm place for long. According to scientists, spending long hours in an air conditioned space erodes the body’s natural tolerance to heat.
You look radiant!
Changing the texture of air
emperature and humidity influence the texture and properties of yarns and fabrics – their dimensions, weight, tensile strength, elastic recovery, electrical resistance and rigidity. Thus, ambient air plays an important role in the textile manufacturing process. Therefore, textile manufacturers were the first ones to try to control temperature and humidity in their mills, even before modern air conditioning entered the scene. In 1719, a silk mill in Derwent, England, installed a crude system to heat the factory area using a steam engine to pump hot air. Cloth makers in New England boiled water in cauldrons near the looms to keep the air moist. While the method improved the quality of the material, the heat affected the workers’ health, and had to be discontinued. In 1907, things changed for the industry, when Willis Carrier came up with a more viable and reliable method of conditioning the air. He put forward a proposal to the Huguet Silk Mill in Wayland, New York, offering a relative humidity of 65% all through the year, which the owners enthusiastically accepted. Air conditioning spread to other mills, as uniform quality of yarns and fabrics could be guaranteed, and workers were ensured of a clean environment. Carrier’s first overseas customer is recorded to be Fuji Silk Spinning Company in Yokohama, Japan. Carrier’s air conditioning system, installed in Fuji's Hodogaya Mill, helped reduce dust and static, and improved production efficiency and working conditions.
adiant heat was used around 1400 AD in public baths, or hammams, in Erbil, a town located in modernday Iraq, and in hamams in Turkey (hammam in Arabic and hamam in Turkish). They were also found in Syria and Morocco.
References: http://mentalfloss.com/article/57863/17-historicalreactions-air-conditioning http://www.williscarrier.com/1903-1914.php www.hampi.co.in/article.php/lotus-mahal BPI/bid/59905/Tips-Trivia-for-a-New-AirConditioning-Season
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July 2016 issue of Climate Control Middle East