SUBJECT :Buildings of the Month 

 

The Headquarter of Ministry of External affairs, the first government building embellished with Energy efficient features that complies the Energy Conservation Building Code. Built from Dholpur Red stone, the design of the building syncs the contemporary state of art with the Edwin Lutyen’s architectural layout of its surroundings. The building comprises of three main blocks with separate entrances and interconnected corridors and is provided with many amenities ranging from multipurpose hall, meeting halls, parking to cafeteria and banquets halls. It is a assemble of many green building features for its accreditation with Gold LEED NC, as elaborated below:

·          Composite walls filled with glass wool insulation, roof insulated using 55mm thick Polyurethane Foam with a reflective layer of mosaic flooring and double glazed dual sealed insulated units for glazing have been used to reduce the  AC load of the building by almost 30%.

·         The courtyards are being extensively planned to ensure the effective natural lighting in all common areas.

·         60% of the site area is covered with pervious and green surfaces to reduce surface runoff.

·         Landscaped with native species in courtyards, terrace gardens and around the building was an imperative measure to reduce the ambient temperature, thus further reducing the use of conventional energy.

·         Installation of VRF air conditioning system using non-CFC refrigerants, gearless lifts, SPV panels, mirror optic fixtures and CFLs and occupancy sensors ensure the sue of energy efficient technologies.

·         Hydro-pneumatic water distribution system; Sensors in urinals and water taps; Dual flushing cisterns and Use of STP treated water for flushing & irrigation are some of effective measure used in water management.

·         Segregation of Bio-degradable waste generated by end users.

Use of regional materials procured 250 km from site as well as recycled material for construction, regular monitoring to check the compliance with air, water and noise levels and its maintenance w.r.t CPCB norms, segregation of construction wastes etc. were some of the controlling measures with minimum environmental impacts were taken during the course of construction.

Sources:

https://www.cpwd.gov.in/tsunami/JNB.pdf

https://www.wiprolighting.com/case-studies/jawaharlal-nehru-bhawan-delhi

https://www.wiprolighting.com/case-studies/jawaharlal-nehru-bhawan-delhi

http://www.greenbusinesscentre.com/site/ciigbc/mediaroom.jsp?viewdes=415382

https://www.magzter.com/stories/Business/Forbes-India/How-Architects-Can-Build-Sustainability