proposed integrated complex for delhi judicial academy

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Rapid Environmental Impact Assessment (REIA) Study for Proposed Integrated Complex for Delhi Judicial Academy, National Law School, and National Institute for Mediation & Conciliation at Dwarka, New Delhi 3.1.10 Internal Road Network and Vehicle Parking The layout plan of the proposed site has developed an internal road network in such a manner that it will not only cater to various buildings but also integrate the whole complex in an interesting composition of built masses and open spaces with a pedestrian dominated movement pattern. Entry points to the complex have been worked out keeping in view the desired movement of vehicles. Main formal entry to the Administration block is planned from the main road on the Southern side, whereas a second entry is planned from the Western side for students. The entry to the residential complex is planned from the side road on Eastern side. This road leads to the Metro rail station in sector-14 from where inhabitants of the residential complex will be able to communicate and travel to main city. Adequately wide roads to cater to two way traffic and to meet the fire regulations are planned in the complex. It is proposed to provide total equivalent car space (ECS) of 356 in the academic complex. This includes 126 ECS for open parking and 230 ECS for basement parking. The total area covered under open parking is 2913.134 sq. meters and in combined basement 7385.123 sq. meters. The total 115 ECS will be provided in the residential housing and 187 ECS in hostels. Parking facilities in the residential housing includes 79 ECS in open parking, 30 ECS in stilt parking and 6 ECS in covered garages. In the Hostels, 32 ECS will be provided in open parking and 155 ECS in basement. The total area covered in open parking in the residential complex is 2570.681 sq. meters, 857.005 sq. meters in stilt parking and 4974.186 sq. meters in basement parking. 3.1.11 Air Conditioning System The complete academic complex and a part of residential complex would be fitted with a central air conditioning system using water cooled rotary scress chillers to provide summer / monsoon cooling and winter heating. It is proposed to install 4 nos. chillers of each of 400 TR capacity working in conjunction with dedicated chilled and condenser water pumps (having a redundant pump on each circuit) to maintain an ambient temperature of 24+- 1 o C, with relative humidity in region of 50 – 60%. The complete system will consist of water cooled rotary screw chillers along with condenser water pump sets, chilled water pump sets, air handling units, electrical works, 38
Rapid Environmental Impact Assessment (REIA) Study for Proposed Integrated Complex for Delhi Judicial Academy, National Law School, and National Institute for Mediation & Conciliation at Dwarka, New Delhi GSS ducting, duct lining, duct insulation, powder coated aluminium grills and diffusers and other accessories for total air conditioned area of 15,835 sq. meters in the academic complex and 6530 sq. meters in the residential complex to cater to a refrigeration load of 1520 TR approximately with a diversity of 0.95. The water chilling machines, condenser and chilled water pump sets, main electrical panel shall be installed in the plant room located in the services building and cooling towers shall be installed on terrace of utility block. The chilled water produced by the water chilling machines shall be fed to various air handling units located on various floors with the help of buried / insulated chilled water piping running in vertical shafts. The salient feature of the HVAC system design include optimization of power demand by installation of Energy Recovery Wheel (ERW) in the fresh air system, to reduce the refrigeration load by 805, which in turn will also reduce the air conditioning plant load by 12 – 15%. The design also envisaged mechanical ventilation for the basements, lift well, stair case, plant room and other similar areas. Mechanical ventilation for basement involves 10 air changes per hour and in case of fire, same would be increased to 30 air changes per hour. The total electrical connected load will be approximately 1500 KW. The chillers used in the proposed air conditioning plant will be of non CFC and HCFC specifications. The daily make up water requirements for the system will be about 42,000 litres. The water requirements will take into consideration the following U values proposed to be achieved for: • Walls – 0.36 Btu per hour per sq. ft per degree F • Floors – 0.46 Btu per hour per sq. ft per degree F • Roofs - 0.12 Btu per hour per sq. ft per degree F • Windows - 1.13 Btu per hour per sq. ft per degree F The expected quality of water required for the system will be less than 7 pH value. 3.1.12 Fire Fighting System Fire fighting system in the complex will consist of fire detection system and fire fighting system. Automatic fire detection system with different types of heat and smoke detectors will be 39
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