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'CASE STUDY OF INDIRA PARYAVARAN BHAVAN DELHI ,
- 1. INDIRA PARAYAVARAN BHAWAN OFFICE BUILDING FORMINISTRY OF ENVIRONMENT&FORESTS ALIGANJ JORBAGH NEW DELHI G R E E N B U I L D I N G A N D R A T I N G S Y S T E M 1200100894 1200100895 1200100915
- 2. L I ST O F CONTENTS 01 05 INTRODUCTION ACHIEVEMENTS 02 RENEWABLE ENERGY 03 PASSIVE STRATEGIES 04 ACTIVE STRATEGIES
- 3. OFFICE BUILDING FOR MINISTRYOF ENVIRONMENT & FORESTS INTRODUCTION Location : New Delhi Climate Type : Composite Project Area : 9,565 m2 EPI : 44 kWh/m2/yr Architect : Central Public Works dept. ACHEIVMENTS India’s highest green rated building. The project has received GRIHA 5 Star and LEED Platinum. The building has already won awards such as The Adarsh/GRIHA of MNRE for exemplary demonstration of Integration of Renewable Energy Technologies.
- 4. Max Ground Coverage Floor Area Ratio BuiltUp Area 30 % 200 31,400 sqm. SITE PLANNING Wider front setback - 22 meter to protect front tree line
- 5. S I TE P L A N N I N G CRITERIONS OF GRIHA FULLFILLED
- 6. Landscaping: More than50% of the area outside the building is covered with plantations, to conserve as many existing trees as possible, out of a total of 79 trees, only 19 trees are cut and 11 trees are transplanted. The pathways and circulation roads in the building are made with grass paver blocks for ground water percolation and ground water recharge. The 7th floor of building also consists of a terrace garden. SITE PLANNING
- 7. CRITERIONS OF GRIHAFULLFILLED
- 8. R E NE W A B L E E N E R G Y 01
- 9. 930 KW capacity 300 KWH 14.3L UNITS Annual energy production Daily energy production 4650 M2 6000 M2 Total Area of panels Total Area 2844 no of solar panels IPB reduces energy requirements by 70% overall by using various passive and active design strategies as well as effective utilization of Efficient Solar PV systems. Intelligent Building Management System to optimize energy usage through occupancy sensors, The Indira Paryavarn Bhawan has become the first government building in the country to achieve net- zero energy status. ENERGY CONSUMPTION ON SITE ANNUALENERGY PRODUCTION & CONSUMPTION ON SITE AREA LIGHTING PUMPS AND AUX SPACE HEATING MISC. EQUIPMENT WATER HEATING HEAT REJECTION TASK LIGHTING VENTILATION FANS REFRIGERATION EXTERIOR USAGE HT PUMP SUPP. SPACE COOLING ENERGY USE
- 10. B U IL D I N G P L A N N I N G A N D C O N S T R U C T I O N S T A G E Reduce landscape water requirement •Drip irrigation •Use of native species of shrubs and trees having low water demand in landscaping •Low lawn area so as to reduce water demand. •Reuse of treated water for irrigation Reduce water use in the building •Low discharge fixtures •Dual Flushing cistern •Waste water treatment •Reuse of treated water for irrigation and cooling towers for HVAC •Rain water harvesting Efficient water use during construction •Use of curing compound CRITERIONS OF GRIHA FULLFILLED
- 11. Solid waste treatment,is done via bio digester then is used as manure and hence it is called ZERO DISCHARGE BUILDING SITE AND WATER MANAGEMENT STRAT ERGIES
- 12. ORIENTATION LANDSCAPING DAYLIGHTINGVENTILATION BUILDING ENVELOPE AND FENESTRATION MATERIALS AND CONSTRUCTION TECHNIQUES P A S S I V E S T R A T E G I E S 02
- 13. Adding water fountainsand the landscape inside courtyard keeps the building inside courtyard keeps the building cool and makes the warm air cool Orientation:Building is north south oriented, with separate blocks connected through corridors and a huge central court yard. Orientation minimizes heat ingress. Optimal window to wall ratio. - Maximum Ground Coverage Used (30%) to keep building height comparable to the surroundings
- 14. Regenerative Architecture: Designs thatconnect outdoor greens with inner courtyards while respecting nature's balance. Biodiversity Showcase: Featuring diverse plant life from different climate regions. Winter Sunspaces: Creating sunny areas on the building's south side in winter for warmth and light. Deciduous Trees: Trees that shed leaves in winter, providing shade in summer and sunlight in winter. Subtropical mixed evergreen forest ecosystem Top canopy - Toona ciliata, Dalbergia latifolia, Mitragyna parvifolia, Syzygium cumini Middle storey Trewia nudiflora, Artocarpus lakoocha, Cinnamomum camphora, Shrub layer Dillenia indica, Coffea benghalensis, Murraya paniculata, Bauhinia malabarica, Herbs and Grasses Barleria cristata, Flemingia bracteata, Desmodium triflorum Climbers- Vigna capensis, Combretum decandrum, Vitis paniculatum SHOWCASING BIODIVERSITY
- 15. 75% of buildingfloor space is day lit, Thus reducing dependence on artificial sources for lighting. Inner courtyard serves as a light well. Appropriate Shading from Summer Sun, while allowing in winter sun. Jalli used in east and south direction. Stone and Ferro cement jaalis. Effective ventilation by orienting the building E-W to utilise wind flow and by optimum integration with nature by separating out different blocks with connecting corridors and a huge central courtyard Large openings in building form on South and North sides. section showing atrium for cross ventillation DAY LIGHTING NATURAL VENTILATION METHODS
- 16. vernacular flooring materials: Terrazo flooring vernacularcladding material: Dholpur stone cladding has been provided over fly ash brick/AAC block walls up to two and half storeys. Use of high reflectance terrace tiles for low heat ingress. Fly ash bricks AAC BLOCKS. AAC blocks with fly ash for recycling and insulation. It have thermal and good sound insulation property. Maximum utilization of Fly Ash. In concrete, mortars and brick walls. Reduce volume, weight and construction time. Sandstone and jallis Jute bamboo composite for door frames and shutters STONE AND FERROCEMENT JALI UPVC windows with hermetically sealed double using low heat transmittance index glass Light shelves for bringing in diffused light High efficiency glass Low U-value light shelves for bringing in diffused sunlight MATERIAL S AND CONSTRUCTION TECHNIQUES
- 17. A C TI V E S T R A T E G I E S 03 LIGHTING DESIGN HVAC SYTEM GEOTHERMAL HEAT EXCHANGE SYSTEM
- 18. Energy efficient lightfittings Geothermal condenser water heat rejection for HVAC Variable chilled water pumping system via VFD VFD for cooling towers fans and AHU Pre-cooling fresh air from toilet exhaust using heat recovery wheel Solar panels for hot water generation Maximum daylighting Regenerative lifts Lux level sensor for artificial lighting optimization Solar powered external lighting Electrical load designed as 4.3 W/Sqft as against 10W/sqft in conventional building ENE RGY CONSERVATION MEASURES
- 19. Lighting Design Requires minimalexternal resources for maintenance. Energy efficient lighting system , nearly more efficient than Energy Conservation Building Code 2007 requirements ( LPD = 11 W/m2) reduces energy demand further. ( LPD = 5 W/m2) ( LPD = 5 W/m2) 50% 50% Remaining lighting load supplied by BUILDING INTEGRATED PHOTOVOLTAIC (BIPV) Use of to optimize operation of artificial lighting. LUX LEVEL SENSOR Use of energy efficient lighting fixtures (T5 LAMPS)
- 20. Optimized Energy Systems/ HVAC system Chilled beam system/ VFD/ Screw Chillers 160 TR of air conditioning load of the building is met through Chilled beam system. Chilled beam are used from second to sixth floor. This reduces energy use by 50 % compared to a conventional system. HVAC load of the buildings is 40 m2/TR, about 50% more efficient than ECBC requirements (20 m2/TR) Chilled water is supplied at 16° C and return temperature is 20° C. Drain pans are provided with the chilled beams to drain out water droplets due to condensation during monsoon. Water cooled chillers, double skin air handling units with variable frequency drivers(VFD) Chilled beams save AHU/FCU fan power consumption by approximate 50 kW. VFDs provided in chilled water pumping system, cooling tower fans and AHUs. Fresh supply air is pre cooled from toilet exhaust air through sensible & latent heat energy recovery wheel. Control of HVAC equipment & monitoring of all systems through integrated building management system. Functional zoning to reduce air conditioning loads. Room temperature is maintained at 26 ±1 ° C
- 21. Geothermal heat exchange system Thereare 180 vertical bores to the depth of 80 meter all along the building premises. Minimum 3 meter distance is maintained between any two bores. Each bore has HDPE pipe U-loop (32mm outer diameter) and grouted with Bentonite Slurry. Each U-Loop is connected to the condenser water pipe system in the central air conditioning plant room. One U-Loop has 0.9 TR heat rejection capacity. Combined together, 160 TR of heat rejection is obtained without using a cooling tower.
- 22. ZERO ELECTRICITY BILLING 55% SAVINGS IN WATER ZERONET DISHARGE ACHEIVEMENTS P R O J E C T • 40% SAVINGS IN ENERGY • ZERO ELECTRICITY BILLING • 55% SAVINGS IN WATER • ZERO NET DISHARGE • LARGEST ROOF TOP SOLAR POWER SYSTEM IN ANY MULTISTOREYED BUILDING (930KWP) LARGEST ROOF TOP SOLAR POWER SYSTEM IN ANY MULTISTOREYED BUILDING (930KWP) FIRST IN GOVERNMENT SECTOR TARGETED FOR BOTH RATINGS OF GREEN BUILDING (5STAR GRIHA LEED India PLATINUM) ELECTRICITY MONTHLY PRODUCTION ELECTRICITY MONTHLY CONSUMPTION
- 23. 1200100915 1200100894 1200100895 School of Planningand Architecture Vijayawada Adeeb Basheer Agina KM Hanan Sakeer T H A N K S THANK YOU