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Sunday, Mar 16, 2008
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Online edition of India's National Newspaper Sunday, Mar 16, 2008 ePaper | Mobile/PDA Version |
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Andhra Pradesh
Negative Pressure system in the exclusive smoking zone of PTB merits a special mention Lighting per sq. ft. uses only 0.9 watts of energy as against prescribed 1.3 watts 
State-of-the-art: The check-in counters at the new airport. HYDERABAD: The recently inaugurated international airport at Shamshabad will make other airfields across the country go green with envy when it acquires the LEED (Leadership in Energy and Environmental Design) rating from United States Green Building Council for its eco-friendly passenger terminal block. Proposals have already been sent to the Council and the rating is expected within two to three months, sources at the CII Green Business Council that confers LEED ratings in India said. Silver rating“We began rating process only from 2007. The proposal of the airport was forwarded to USGBC in 2005 during the design stage itself,” S. Srinivas, the principal counsellor at CII-GBC which is also the consultant for the airport said.“We are expecting a silver rating for the building.” Ratings begin with silver and range across gold and platinum in that order by way of credits acquired for five criteria namely sustainable sites, water efficiency, energy efficiency, materials and resources and indoor environmental quality. The negative pressure system adopted in the exclusive smoking zone of the passenger block merits a special mention. “The old airport also had exclusive area for smoking, but there was every possibility of the smoke escaping via crevices. Here, the possibility is ruled out as the system allows outside air to come in but prevents the other way round,” says Mr. Srinivas. He also has a word of praise for the use of glass with low U-value and low shading coefficient which will block the heat while allowing light. The air-conditioning with centrifugal fans, insulated roof and walls, use of recyclable material and efficient waste management systems are some other aspects that would be taken into consideration for the rating. “Lighting per square foot in the passenger terminal block uses only 0.9 watts of energy as against the minimum of 1.3 watts prescribed by the American Society of Heating, Refrigerating and Air-Conditioning Engineers. The design uses the northern part as a good source of natural light as the sun is cooler in that direction,” Mr. Srinivas says. Measures are in place for storm water collection, and recycling of the soiled water-- to be used in flushing and gardening. The paints used are low on volatile organic compounds (VOC) that cause the nauseating chemical effect. The terminal is continuously flushed with fresh air which, when calculated, amounts to 15 cubic feet per minute per person. It will rule out the Sick Building Syndrome felt in closed areas due to lack of fresh air. Others in frayThe ICICI and Microsoft facilities in Gachibowli, the Hyderabad Institute of Technology and Management, Hyderabad Urban Development Authority (HUDA) building at Begumpet, and the ventures by Raheja and Maytas groups are some other buildings vying for LEED certification, said Mr. Srinivas.
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