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Premium Story

DSI signs LOI with Saudi company

Acquisition of second company on the cards

Acquisition of second company on the cards

Drake & Scull International (DSI) has signed a Letter of Intent for the acquisition of a Saudi-based Mechanical, Electrical and Plumbing (MEP) company.

“We made a commitment to our shareholders when Drake & Scull International was listed on the Dubai Financial Market, and are pleased that we are now in a position to deliver on that promise,” commented Khaldoun Tabari, CEO of DSI, “Our first acquisition in the Kingdom is a key milestone for DSI, which will significantly contribute to our momentum as we venture forth in our growth strategy,” he added

According to the announcement, further details of the acquisition will be announced soon, once the Sales Purchase Agreement has been signed.

DSI said that it intends to finalise the acquisition of a second company in Saudi Arabia, specialising in civil construction, before the end of the year.

Premium Story

Trane seminar evaluates chiller rating solutions

Concludes that accurate energy analysis tools are needed

Concludes that accurate energy analysis tools are needed

On September 23, Trane hosted and conducted a seminar, titled ‘A closer look at chiller ratings’, at the Grand Hyatt, Dubai. W Ryan Geister, Global Portfolio Leader, Centrifugal Chillers, Trane, Ingersoll Rand, was the key presenter in the first session, while Mike Thompson, Director of Environmental Affairs, Trane, Ingersoll Rand, was the key presenter in the second session.

Geister’s presentation, in keeping with the theme of the seminar, was called, ‘A closer look at chiller ratings’, and dealt with the right approach to evaluate the performance of central chiller plants. It was based on a seminal review of the topic, written by the keynote speakers, which appeared in the December 2009 issue of the ASHRAE Journal, and was reprinted in the ISHRAE Journal and Climate Control Middle East, in the July and September 2010 issues, respectively.

Thompson’s presentation, called Energy, the Environment and HVAC, dealt with how the growing concerns and pressures of the environment, economy and society would impact the HVAC industry, and how the industry would adapt. The presentation touched upon LEED/green buildings, refrigerants and energy efficiency.

Mike Thompson

Mike Thompson

In his talk, Geister asked whether chillers were part of the problem or part of the solution, and said that for years, the HVAC industry has struggled to find easier ways to evaluate the performance of central chiller plants, and noted that the urgency had led many to use single number evaluation methods, such as IPLV. He questioned the validity of the approach.

Against this backdrop, Geister stated: “Using less comprehensive evaluations is enticing and may seem logical, as IPLV was created by the AHRI, and is often promoted by some manufacturers as the method to analyse chiller performance. However, as acknowledged by AHRI, IPLV or NPLV (non-standard part load value) does not accurately represent a chiller plant’s operating characteristics.”

Stating that decisions based on incomplete data often resulted in poor predictions of equipment energy use, he emphasised, “So, it is important to use accurate energy analysis tools to ensure optimal economic and environmental solutions.”

Ryan Geister

Ryan Geister

Thompson, in his talk, summarising the developments in the steadily changing landscape of refrigerants, said that the message was that existing refrigerants would be available for the life of all existing equipment but that new refrigerants were already on the near horizon, and the industry needed to be prepared for change. Thompson believed that such transitions were something that the industry had successfully managed before, and, therefore, he saw no reason why the next evolution would not be achieved just as smoothly and efficiently, as before.

According to Trane, the presentation, which was well-received, was part of a multi-city tour that Thompson will undertake to Abu Dhabi, Saudi Arabia, Egypt, Lebanon, Kuwait, Qatar, Oman and Bahrain, throughout October and November, to spread this message.

Premium Story

SIPOS announces participation in Doha summit

Will present case study on its actuation solution for district cooling

Will present case study on its actuation solution for district cooling

SIPOS Aktorik has stated in an announcement that it will support the Second Annual District Cooling Summit being held in Doha from 28 to 30 November, with a premium gold sponsorship package. It said that it will also have a presence in the exhibition area through its local agent, Torento Energy Systems.

Apart from this, according to the announcement, a case study on the implementation of SIPOS 5 variable speed actuators in district cooling plants in the UAE, is listed as a topic during the summit. Steffen Koehler, International Sales Manager, SIPOS Aktorik, will present a paper on the subject on the first day of the programme, highlighting how its actuators control cooling water flow and protect hydraulics from water hammer, the announcement added.

The summit has been designed to attract delegates from a range of sectors, including, district cooling owners/operators, EPC/MEP and maintenance contractors, along with water re-use/conservation companies and WwTW and power utility organisations.

Premium Story

Qatar Cool gears up for IDEA Conference

The November 7-9 Doha event will focus on greener buildings, smarter grid

The November 7-9 Doha event will focus on greener buildings, smarter grid

Qatar Cool, the district cooling provider for the Pearl Island of Qatar, is gearing up for the build-up to the International District Energy Association’s (IDEA) 5th International District Cooling Conference and Trade Show in Doha, from November 7 to 9 (see related stories in supplement: DCQ). Qatar Cool is the host of the show.

This is IDEA’s first event in Qatar and its fifth in the Middle East, with last year’s conference being held in Dubai. Conference attendees will also have the opportunity to meet with IDEA business partners during the trade show, where vendors and suppliers will showcase the latest district energy technologies and equipment, the announcement added.

According to the organisers, the theme of the 2010 conference – District Cooling: Greener Buildings, Smarter Grid – emphasises the advantages of district cooling systems, which improve building energy efficiency while reducing the economic and environmental strain on the regional power grid.

The agenda for the conference’s technical session includes a combination of panel discussions, addresses, and peer-to-peer exchanges, providing multiple outlets for district-cooling industry leaders to gather and share insights on the growing role of district cooling in building greener communities and smarter electric grid, said IDEA. Key session topics include, Modelling, Managing, and Maximising Energy Efficiency of District-Cooling Systems, Cooling Water Strategies, Sustainability, and Stewardship, and Master Community Planning, Infrastructure Design and Implementation, IDEA added.

Also included in the conference programme is a luncheon address by the Honourable Joseph Evan LeBaron, the US Ambassador to Qatar, who will also present the Export Achievement Award, stated the announcement.

Through the news release, the principal host and sponsor of the conference, Qatar Cool, has invited conference attendees to attend the inauguration of, what it claims to be the world’s largest district cooling facility, in Doha, on November 9.

Qatar Cool’s plant will supply 130,000 tonnes of chilled water daily to cool more than 15,000 structures and provide comfort to the 40,000 Pearl Island residents, the announcement elaborated.

For additional information about the conference and trade show, visit http://www.districtenergy.org/.

Premium Story

JCI bags order for Holy Mosque extension

Company says order is the largest in its history

Company says order is the largest in its history

As part of the biggest expansion plans ever undertaken for the Holy Mosque in Makkah in the Kingdom of Saudi Arabia, Al Salem Johnson Controls announced that it would be supplying 16 OM Chillers of York equipment for the Shamiya Central Utility Complex (CUC), located 1.35 kilometres from the Holy Mosque. According to the company, the plant, when completed, will reportedly be one of the foremost facilities in the world to help provide a quality environment for visiting pilgrims, in keeping with the Makkah expansion project.

Basil Abdulaziz, Managing Director, Al Salem Johnson Controls, Saudi Arabia, confirmed that the contract includes 16 York multi-stage industrial centrifugal OM chillers, of 5,000 TR each, with a cooling tower. The equipment will use HFC-134a refrigerant, which the company said, is environment friendly and does not contribute to ozone depletion.

According to Johnson Controls, the plant will help conserve water by processing Treated Sewage Effluent (TSE), acquired from ablution water. It further added that it would also reduce electricity consumption through the use of eight Solid State Starters (SSS) and eight Variable Speed Drives (VSDs), which, the company said, would be integrated seamlessly with BMS systems.

Arif Hussain, National Products Manager (LTC & STC), explained that there would be reduced pumping and piping costs by using many specialist equipment, such as 13.8kV TEWAC motors, thicker gauge 90-10 Cu-Ni tubes of condenser, 90-10 Cu-Ni cladding on tube sheets, sacrificial zinc anodes, vibration monitoring system, automatic tube brushing system, 0.71 kV/TR at very harsh design conditions and very high evaporator temperature split of 24°F design T. “By using OM ETC water-cooled centrifugal chillers, there would be huge savings on power consumption,” Hussain said. This would, thus, reduce the carbon footprint and, indirectly, global warming for every year the plant is operational, he added.

Abdulaziz added, “We are delighted to be suppliers for a noble initiative such as the Holy Mosque in Makkah.”

According to the company, the order was won due to the support of Shaikh Saleh M Binladen, who is a board member of Al Salem Johnson Controls Joint Venture.

Said Binladen, “It was a great honour for myself and for our joint venture partners at Johnson Controls in Saudi Arabia, to contribute in serving the greatest and highest place, where we strive continuously to provide the greatest efficiency and quality of Johnson Controls products.”

Premium Story

The R word

So much water has flowed under the bridge since January 2007, when the International District Energy Association (IDEA) grandly debuted in the Middle East with its first ever show, in Abu Dhabi

B Surendar

B Surendar

So much water has flowed under the bridge since January 2007, when the International District Energy Association (IDEA) grandly debuted in the Middle East with its first ever show, in Abu Dhabi. The mood at the Emirates Palace Hotel (the venue of the show) was buoyant, then, and the focus of the discussions was on how to meet the tremendous projected demand for district cooling in the region, estimated at the time to be 15 million tonnes of refrigeration by 2015. While some thought the figure to be ludicrous even then, several believed it as a fair estimate, which led them to the next question, ‘How will the large chiller manufacturers gear up to meet the demand?’

Truly, it was heady times, then. The buzz was in the air, not just in that IDEA conference but also in the subsequent one, held in Dubai in 2008. Ditto for the monthly meetings conducted by the ASHRAE Emirates Falcon Chapter.

Cut to the present, and the clear shift in focus of discussions cannot be more obvious. At the recent MEED conference (see the cover story on page 54), a substantial period of time went to discussions on issues like regulation, finance and risk management. It was as if an industry, chastened by the downturn, had woken up to the need for a regulatory authority to weed out the excesses, which seem even more unpalatable in these most constricting of times.

While the downturn has played it part in sprouting nay-sayers of district cooling – this is a fact and not a figment of the imagination – the end-users, so routinely ignored during the boom time, are becoming more audible by the day. And their questions and convictions cannot any longer be sidelined. The industry cannot afford to.

The sentiment change towards district cooling is most pronounced in the UAE – understandably so, considering that the country was the first to invest in the new paradigm, risks, warts and all. This does not mean that the country’s neighbours are immune to the situation. True, Qatar has its gas reserves to bank on, and Saudi Arabia has always been the region’s looming financial giant. In addition, the Kingdom has a pent-up demand for housing. According to various sources of information, the Kingdom will need in excess of one million new houses by 2015. With the cost of setting up new power stations not getting any lesser and with power subsidies not a sustainable option, district cooling is it. While these factors may seem as robust factors for boundless optimism, there is no better time than now to talk of regulations and the need for an authority body to anticipate and prevent bad practices. No one wants plants overdesigned to capacity. No one wants kilometres of pipelines lying buried in the sand and waiting for chilled water to flow through them.

– B Surendar

Premium Story

AHR Expo expected to draw 1,800 exhibitors

HVACR event being held for the first time in Las Vegas

HVACR event being held for the first time in Las Vegas

The 2011 AHR EXPO (International Air Conditioning, Heating, Refrigerating Exposition) is slated to be held from January 31 to February 2, at Las Vegas Convention Center, in the US state of Nevada.

The HVAC/R’s event, which is produced and managed by the International Exposition Company, attracts exhibitors and attendees from all facets of the industry around the world, and will include contractors, engineers, dealers, distributors, wholesalers, OEMs, architects, builders, industrial plant operators, facility owners and managers, agents and reps, the organiser claimed.

The announcement has listed the following features and attractions of the expo:

  • More than 1,800 exhibitors from every segment of the HVAC/R industry
  • More than 360,000 net square feet of exhibition space
  • More than 40,000 visitor and exhibitor personnel
  • More than 100 Seminars and educational sessions
  • Building automation and control showcase
  • AHR Expo Innovation Awards presentation
  • New product technology theatre presentations

For further information, visit the AHR Expo website at www.ahrexpo.com, contact +1 203 221 9232 or e-mail to info@ahrexpo.com.

Premium Story

ASHRAE President to visit Doha

Bellenger to speak on the topic, ‘Modelling a sustainable world’

Bellenger to speak on the topic, ‘Modelling a sustainable world’

ASHRAE Society President, Lynn G Bellenger, will be visiting Doha on October 5, the Qatar Oryx Chapter revealed yesterday.

Bellenger will be giving a technical presentation, titled ‘Modelling a sustainable world” on the same date at the SinSima Hall at Doha Millennium Hotel.

For information on the presentation, contact rgabrial@gmail.com

Premium Story

The magic number 65

The VRV market is a low-hanging fruit, waiting to be plucked, says Anil Pakale, Regional Sales Manager of Daikin McQuay ME, in an interview with B Surendar, adding that the company has set its sights on capturing 65% of the region’s market.

The VRV market is a low-hanging fruit, waiting to be plucked, says Anil Pakale, Regional Sales Manager of Daikin McQuay ME, in an interview with B Surendar, adding that the company has set its sights on capturing 65% of the region’s market.

Backed by what it claims to be 65% of the global market share for VRVs (Variable Refrigerant Volume air conditioning units), worth $7 billion, Daikin McQuay set up shop in Abu Dhabi in January, with the avowed objective of capturing 65% of the region’s market. Anil Pakale at the helm of affairs, has been mandated with achieving the magic number. It is not a difficult feat to pull off, believes Pakale, despite the DC mantra continuing to hold strong in the region. He has his reasons – and probably a few aces up his sleeve. District cooling has lost its sheen, he thinks, and it is time to go back to the future, and the future lies in VRVs, he argues. But he builds the background first, before staking his, and Daikin McQuay’s claim.

“Daikin took over McQuay in 2006 and came to be known as Daikin McQuay,” says Pakale. “Prior to that, McQuay was owned by a Malaysian company, where the emphasis was not on R&D but on milking the cow. But Daikin is committed to product innovation and R&D, and that’s evident from the market – the turnover for Daikin is $13.3 billion.”

Daikin and McQuay had different distributors before the merger, reveals Pakale. After the merger, one of the strategies the company deployed was to sidestep the distributors and deal with the end-users directly. “It happened as of September 2009. And now, the products are directly sold by our engineers, with the exception of small DX units,” Pakale adds.

Speaking about the recently set up UAE operation, Pakale says: “We started building a team. We have six engineers in Abu Dhabi. Daikin McQuay was not doing even $2 million till September 2009. Whatever sales was happening was through distributors and direct sales efforts by McQuay sales engineers, based in Dubai. But this year alone, since we are going without any distributors or dealers in Abu Dhabi, we will do three to four times the business.”

Anil Pakale

Anil Pakale

Pakale is confident that his company will continue to multiply by a factor of two every year, as he estimates that the market size for HVAC equipment is $200 million in Abu Dhabi. “The market here is primarily an applied market or a DC market – chillers, air-handling units (AHUs),” he says. “For three to four years from now, the market will be focused only on the air side of things – stuff like FCUs and AHUs. This is because the largest district cooling provider here – Tabreed – has built a lot of redundant capacity.”

Here, Pakale hits the most vulnerable soft underbelly of district cooling – too much of air conditioning tonnage in the market, that did not anticipate the real estate slump. Consequently, district cooling is cooling off in Abu Dhabi, with demand waning considerably. The VRV market is poised to step into the breach, predicts Pakale. In fact, he believes that it already has a foot in the door.

“They would still have some places where the developers and owners have not reached an agreement with the district cooling provider. So, they will, on their own, build smaller water-cooled plants,” says Pakale. “They have no other choice but to do so, because their projects have been designed for district cooling,” Pakale pronounces.

Pakale’s pronouncements obliquely allude to the worst-case scenario: In the event of not having yet reached an agreement with the district cooling provider, the developers and owners of some of the projects will be forced to install plants – albeit smaller in size – on their own, as against the monolithic ones built earlier with excess capacity, which were unfortunately, not put to optimum use. Pakale cites instances of such developments – MENA Plaza, Capitala and Arzanah Medical Complex. “All these are typically 4,000 to 5,000 TR capacity plants,” he says. “In the present scenario, not many big-sized district cooling plants will come up,” he prophesies.

Pakale offers Sheikh Zayed University, Abu Dhabi, as another example of a customer, who, having waited for a connection, has decided to fend for itself. “It has gone ahead and installed a 6,000 TR plant on its own,” says Pakale. “Fibrex is the MEP contractor for the project. Fibrex is also doing a mall – Deerfield Mall – close to Shahama, which, again, is small in capacity (5,000 TR). It had been designed for district cooling, and, is, therefore, stuck with no other option but to go ahead with water-cooled centrifugal plants.”

Speaking against this backdrop, Pakale makes a case for VRVs as opposed to a networked system like district cooling, as he believes that most plants are shifting from district cooling schemes to standalone units. “Had these customers not designed their projects with district cooling in mind, they could have gone for alternatives, such as air-cooled chillers, VRVs and multiple split-unit systems,” Pakale points out.

He thinks that the market is now ripe and ready for VRVs, and that Daikin McQuay has responded proactively to the situation. “We would be looking to supply chillers to those that have already been designed with district cooling in mind; for the rest, we are looking to supply VRVs,” he explains. “We are working with the top two or three consultants, who are in association with three government entities – Town Planning, Abu Dhabi Municipality and Musanada. The three entities are looking for energy-efficient possibilities in standalone systems as part of Abu Dhabi’s 2030 Vision.”

If this, indeed, is the case, it implies a turnaround, Pakale feels, as this stance is at variance with the generally accepted view, or rather the perception, that district cooling is more energy-efficient than standalone units. In fact, district cooling has always been promoted as a more sustainable solution, he says.

“The three entities are not looking at district cooling; they are going to enforce designs on projects,” Pakale emphasises. “The owner is supposed to follow the designs, else Town Planning or the Municipality will not give approval for other things, and so their projects will get delayed,” he elaborates.

This is where suppliers of standalone units, like VRVs, come into the picture, Pakale feels. They can supply the projects with VRV systems, which are an alternative to water-cooled systems. Casting our gaze farther, it is interesting to note here that Daikin McQuay also manufactures water-cooled chillers, thus placing it in a win-win situation. If a project has been specifically designed for district cooling, Daikin McQuay has an opportunity to supply the customer with water-cooled chillers; wherever district cooling has not been prescribed as the norm, it can carve itself a market to supply VRV systems.

“The three entities are specific about the type of system to be used, and the type of refrigerant to be used,” Pakale points out, and explains further: “They have called lots of vendors and listened to them, and they are looking positively at VRV systems. The VRV market in Abu Dhabi stands at between $10 million and $12 million. But with efforts of all VRV suppliers (that is, getting into discussions with consultants), we can grow the market to $100 million in three years’ time. And Daikin McQuay wants 65% of that market – consistent with our global market share of 65%.” One can almost hear Pakale declaring, “QED – quod erat demonstrandum!”

Not content with proving the point he originally set out to prove, Pakale takes the logical premises further: “Though it comes at a premium, we believe that our VRV system is more energy efficient than that of our competitors, and that it has a faster payback period than that of our competitors or other systems,” he says, and adds, “Ours is an air-cooled system with the efficiency of a water-cooled system, at full load. And at part load, it outweighs and is far superior to a water-cooled system, because it gets the advantage of low dry bulb. (In their case, wet bulb does not drop as drastically as dry bulb.)

“We also have water-cooled VRVs that are more efficient (25% additional energy savings), but they have not caught on.” He concludes his argument with a rhetoric question: “If we go for water-cooled chillers, then why not for water-cooled VRVs?” He, then, proceeds to answer the question himself: “If the application permits, then go for water-cooled VRVs; if no water is available, then go for air-cooled VRVs.”

Pakale drives home the point when he says, “In district cooling schemes, the total installed cost is two to three times more than the cost of equipment. In VRV, we are just 25% of the total installed cost. It is just a straight run of interconnected pipes – copper pipes, quarter of an inch to one inch in diameter, which are easy to lay and easy to service. You clip it (pipe) on the wall and run it full load. You can get 1.1 to 1.2 kW/TR for Abu Dhabi conditions. Another advantage is that it has an in-built BTU meter. Every single indoor VRV machine has an in-built eletronic-expansion valve and that acts as a BTU metering unit. So, we can do a billing system.”

It appears that in Pakale’s opinion, the VRV market is a low-hanging fruit, waiting to be plucked. But what about large-scale applications? How do VRVs work there, if at all? Pakale concedes that it is still a district cooling domain. But he is quick to cite an example to prove the contrary. “In Japan, though, in a 100-storey building, which is on a DX system, they have a VRV regimen in place,” he says.

Speaking of market closer home, Pakale lists projects in Abu Dhabi that have opted for VRVs: “VRV units have already been applied at St Regis Resort, on Saadiyat Beach, which includes 32 luxury villas. We are doing 100 outdoors there. And 56 villas under supply in ADNOC Ruwais Housing Complex; it is 224 outdoors in that project,” he adds, and further claims, “It is the first time in history that ADNOC is going for VRVs, owing to power and noise reduction. The outdoor unit noise is 65dB at 46 ambient and one metre. In the case of a chiller, if you are standing next to a centrifugal, the noise is 85 to 90dB (some chillers emit even 100dB at one metre). To quantify, every 3dB is twice the noise. So 3dB less is half the noise.” Pakale also adds to the list three schools in Musanada, which are currently being fitted with VRVs. “It will be completed by the time the new semester starts in September. That is 200 outdoors, three schools put together,” says Pakale.

The long-term plan, he explains, is to revamp the system in 400 schools in the coming years by fitting them with VRVs. This, he claims, is just the tip of the iceberg. “We are yet to meet all the consultants,” he says, and adds, “The biggest order in VRV for Daikin McQuay is in Qatar, though – at the Samariya Tower in Doha. It is a 60-storey building, and we are supplying 6,000 TR worth of cooling.”

Does this translate into a bigger wedge of the market pie? Is the magic number 65 that Daikin McQuay wants to reach immeasurably near? And more important, will standalone units eventually elbow out district cooling giants? The jury is still out on this one. It might hand in a split verdict – a ‘multi-split’ verdict, perhaps!