CII-Green Business Centre (Case Study) By- Naman Sukhija

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It's a brief case study explaining the green features of CII-IGBC, Indian Green Building Council. India's first green building rated by LEED as platinum rated.

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CASE STUDY CII-GREEN BUSINESS CENTRE India’s first Platinum Rated Green Building Made By- Naman Sukhija Intern 27 May 2015 – 10 July 2015 JK Lakshmipat University Jaipur Rajasthan JUNE 3 2015 INDIAN GREEN BUILDING COUNCIL Survey No 64 Kothaguda Post Near Kothaguda Cross Roads Ranga Reddy District Hyderabad Telangana India 500081 Hyderabad - 500 084

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1 Table of Contents Unit -1 Introduction ................................................................................................................................ 3 Importance of Green Buildings ........................................................................................................... 3 CII-Green Business Centre ................................................................................................................. 4 Key Green Features ............................................................................................................................. 4 Unit -2 Sustainable Architecture and Design .......................................................................................... 5 Site Preservation ................................................................................................................................. 5 Integrated Design Approach ............................................................................................................... 8 Passive Architecture ............................................................................................................................ 9 Unit-3 Site Selection and Planning ....................................................................................................... 12 Soil Erosion Control and Preservation .............................................................................................. 12 Preservation and Transplantation of Trees ........................................................................................ 14 Heat Island Reduction ....................................................................................................................... 15 Universal Design ............................................................................................................................... 16 Unit-4 Water Conservation ................................................................................................................... 17 Water Distribution in world .............................................................................................................. 17 Waste water treatment and reuse ...................................................................................................... 19 Working ........................................................................................................................................ 19 Unit-5 Energy Efficiency ...................................................................................................................... 21 Building Energy Consumption .......................................................................................................... 21 Energy Efficiency Measures ............................................................................................................. 22 Unit-6 Building Materials and Resources and Indoor Environmental Quality ..................................... 26

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2 Table of Figures Figure 1-CII-Sohrabji Green Business Centre Hyderabad ..................................................................... 4 Figure 2 Contour Plateau preserved on site .......................................................................................... 5 Figure 3 Retained Natural Rocks ............................................................................................................ 6 Figure 4 Retained Natural Rocks ............................................................................................................ 6 Figure 5 Retained Natural Landscape ..................................................................................................... 7 Figure 6 Retained Natural Landscape ..................................................................................................... 7 Figure 7 Preserved Water Body .............................................................................................................. 8 Figure 8 Jaali Walls and shading from trees ........................................................................................... 9 Figure 9 Wind Tower Passive Cooling .............................................................................................. 10 Figure 10 Skylight................................................................................................................................. 11 Figure 11 Naturally Shaded Parking ..................................................................................................... 11 Figure 12 Honeycomb trays .................................................................................................................. 12 Figure 13 Water diverted to sediment basins ........................................................................................ 13 Figure 14 Natural Vegetation ................................................................................................................ 14 Figure 15 Grass Pavers ......................................................................................................................... 15 Figure 16 Ramp for easy access to the main entrance .......................................................................... 16 Figure 17 Distribution of Global Water ................................................................................................. 17 Figure 18 Rain Water Harvesting Pond ................................................................................................ 18 Figure 19 Sprinkler System for turf ...................................................................................................... 18 Figure 20 Drip Irrigation system for the plants ..................................................................................... 19 Figure 21 Phytoremediation Plant ........................................................................................................ 20 Figure 22 Building Energy Consumption ............................................................................................... 21 Figure 23 Wind Tower ........................................................................................................................... 22 Figure 24 Glazing and High Performance Glass .................................................................................. 23 Figure 25 North Light Glazing.............................................................................................................. 24 Figure 26 Superfan ................................................................................................................................ 24 Figure 27 Open space for daylight and high performance glass ........................................................... 25 Figure 28 Segregation of Waste and Artificial Composter ................................................................... 26 Figure 29 Ceramic Tiles used for flooring ............................................................................................ 27 Figure 30 Cladding ............................................................................................................................... 28

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3 Unit -1 Introduction Green building is the practice of creating structures and using processes that are environmentally responsible and resource-efficient throughout a buildings life-cycle from siting to design construction operation maintenance renovation and deconstruction. A green building is energy efficient water efficient protects occupant’s health and comfort improves productivity reduces waste promotes recycling and reusing materials least possible pollution and environment degradation preserves natural landscape ensures sustainability and use naturally available local materials etc. Importance of Green Buildings The growth and development of our communities has a large impact on our natural environment. The manufacturing design construction and operation of the buildings in which we live and work are responsible for the consumption of many of our natural resources. The green concepts and techniques in the building sector can help address international issues like water efficiency reduction in fossil fuel use for commuting handling of consumer waste and conserving natural resources. Most importantly these concepts can enhance occupant’s health productivity and well-being. Environmental Benefits  Enhance and protect biodiversity and ecosystems  Improve air and water quality  Reduce waste streams  Conserve and restore natural resources Economic Benefits  Reduce operating costs  Improve occupant productivity  Enhance asset value and profits  Optimize life-cycle economic performance Social Benefits  Enhance occupant health and comfort  Improve indoor air quality  Minimize strain on local utility infrastructure  Improve overall quality of life

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4 CII-Green Business Centre Location – Hyderabad Telangana Promoter – Confederation of Indian Industry CII Site Area- 4.5 Acres Built up area – 20000 SF Architect – Ar. Karan Grover KGA Landscape Architect – Prof. M. Shaheer MEP Consultant – Dr. P.C. Jain Mr. Ashish Rakheja AECOM India Commissioning Authority – C R Narayana Rao Architects Engineers Civil Contractor – Consolidated Construction Limited The CII – Sohrabji Godrej Green Business Centre in Hyderabad is the first LEED Platinum rated building in India. It offers advisory services to the industry in the areas of: green buildings energy efficiency water management environmental management renewable energy green business incubation and climate change activities. Key Green Features –  Renewable Energy: Solar PV systems  Indoor Air Quality: Air Quality Monitoring high efficiency HVAC system high performance glass natural daylight and a passive cooling system using wind towers.  Roof gardens and Rain water harvesting etc.  The extensive landscape is home to 600 varieties of trees most of which are native and adaptive to local climatic conditions. Figure 1-CII-Sohrabji Green Business Centre Hyderabad

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5 Unit -2 Sustainable Architecture and Design Integrated Design Approach Site Preservation Passive Architecture Site Preservation More than 70 of the existing landscape and contour was retained on the surface. Site Preservation is very important to minimise the site damage and associated negative environmental impacts. Figure 2 Contour Plateau preserved on site

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6 Figure 3 Retained Natural Rocks Figure 4 Retained Natural Rocks

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7 Figure 5 Retained Natural Landscape Figure 6 Retained Natural Landscape

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8 Figure 7 Preserved Water Body Integrated Design Approach These members from multi-disciplinary fields were involved in the project for effective decision- making and enhanced building performance right from conceptual stage till completion of the project. Architect – Ar. Karan Grover KGA Landscape Architect – Prof. M. Shaheer MEP Consultant – Dr. P.C. Jain Mr. Ashish Rakheja AECOM India Commissioning Authority – C R Narayana Rao Architects Engineers Civil Contractor – Consolidated Construction Limited

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9 Passive Architecture Figure 8 Jaali Walls and shading from trees Jaali walls are used which are a good source of ventilation and daylight. Shading from trees are provided adjacent to the walls which reduces the heat transmitted through the walls because of direct sunlight.

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10 Figure 9 Wind Tower Passive Cooling A wind tower is a traditional Persian architectural element to create natural ventilation in buildings. One of the most common uses of the wind tower is to cool the inside of the dwelling it is often used in combination with courtyards and domes as an overall ventilation and heat-management strategy. It is essentially a tall capped tower with one face open at the top. This open side faces the prevailing wind thus "catching" it and brings it down the tower into the heart of the building to maintain air flow thus cooling the building interior. It does not necessarily cool the air itself but rather relies on the rate of airflow to provide a cooling effect. Here wind towers are connected to AHU Air Handling Unit. Air going to the AHU are naturally pre-cooled which reduces the burden on Air-Conditioners.

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11 Figure 10 Skylight More than 90 of the area is covered by daylight which reduces the usage of artificial lights hence saving electricity. North-Light phenomenon is used so that only light enters inside the building and minimum amount of heat. Whole building is well controlled by IBMS Integrated Building Management System which is used for automation of light. IBMS is used to reduce the wastage of electricity. Figure 11 Naturally Shaded Parking

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12 Unit-3 Site Selection and Planning Site should be selected for the project considering the safety of occupants and should not disturb the ecosystem. Project is located in the Hi-Tech City of Hyderabad and has all the basic amenities nearby. Public Transport is very easily available at the distance of 100m from the location. Use of cycles and battery operated vehicles non-fossil fuel vehicles is promoted and there is a battery charging facility available at the site. A different parking is available for the people using cycles and battery operated vehicles. Soil Erosion Control and Preservation Figure 12 Honeycomb trays Honeycomb trays are placed in the areas where loose soil is present or there are more chance of soil erosion. They traps the top layer of soil inside them preventing soil erosion and allowing them to be covered by turf. Top layer of soil was stacked and stored at the time of construction and was again used for the growth of vegetation.

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13 Figure 13 Water diverted to sediment basins Water is diverted to sediment basins to control the sedimentation and hence reduce erosion.

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14 Preservation and Transplantation of Trees Figure 14 Natural Vegetation Most of the natural vegetation was tried to preserve and many new species are now planted at the site. There are more than 160 species of vegetation available on site. Use of native species is promoted as they have more adaptability to the climate and have less water requirement.

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15 Heat Island Reduction Figure 15 Grass Pavers A heat island is an area that is significantly warmer than its surrounding areas due to human activities. Heat Island effect is countered at site by using shades from trees grass pavers grid pavers and high SRI tiles on roof and planting vegetation on roof.

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16 Universal Design This building caters very well to differently abled and senior citizens. There is a preferred car park space easy access to the main entrance of the building the main walkways have adequate width and separate washrooms for differently abled. Figure 16 Ramp for easy access to the main entrance

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17 Unit-4 Water Conservation Water Distribution in world Less than 1 water on earth can be used by humans which is free from salts and is clean. Survival without water is impossible and it demands to be conserved. Approach used to conserve water  Reduce – Reduce the consumption of water and wastage  Recycle – Recycle as much water as possible  Recharge – Recharge ground water for future purpose Water bodies on the site are used for rain water harvesting. All the buildings and project is designed to harvest most of the rain water. All the pipelines from the roof are well channelled to the rain water harvesting pond. Figure 17 Distribution of Global Water

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18 Figure 18 Rain Water Harvesting Pond Efficient plumbing fixtures are used and water free urinals are installed. Figure 19 Sprinkler System for turf Project has less than 10 total turf area. Turf area is kept less to reduce the water requirement.

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19 Figure 20 Drip Irrigation system for the plants Drip irrigation is used for the plants and sprinkler system is installed for the turf area. Native species and drought tolerant species are preferred over foreign species as they are have more adaptability to the environmental conditions and they require less amount of water for their growth. Soil moisture sensors are installed which sense the moisture present in the soil and automatically shut-off the water supply. Waste water treatment and reuse 100 waste water is treated at the site using Phytoremediation technology. Phytoremediation is the direct use of living green plants for in situ or in place for removal degradation or containment of contaminants in waste water. It can be used to treat any type of contaminant in environmental and climatic conditions. Working A combination of selected species are grown near the septic tank made for storage of waste water. Species used at the site - 1 Filtration Pond a. Parakeet Flower b. Alligator Flag c. Papyrus 2 Polishing Pond a. Indian Shot b. Powdery Thalia c. Giant Taro

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20 Water from the input tank is pumped to the roots of plants. Plants grows on a series of pebbles gravels stones and rocks so that their roots can penetrate deep into the ground. A system of pipeline is laid inside the layers through which the water is transferred. This plants treat the water which is then transferred to polishing pond where different species grow. The output water is odour free and suitable for flushing and irrigation purpose. Water is tested quarterly for proper monitoring. Figure 21 Phytoremediation Plant

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21 Unit-5 Energy Efficiency Building Energy Consumption Air-Conditoning 57 Area Lights 22 Miscelaneous Equipment 16 Ventilation Fans 5 BREAKUP OF ENERGY CONSUMPTION IN A BUILDING Figure 22 Building Energy Consumption

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22 Energy Efficiency Measures Project is stuffed with energy efficient measures. Fly-ash bricks are used for construction instead of clay bricks as they provide better insulation from heat than clay bricks. Roofs are insulated by planting vegetation on it. Wind tower considerably reduce the load on air conditioning system thus saving energy. Figure 23 Wind Tower

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23 Figure 24 Glazing and High Performance Glass Glazing is used on one side of roof and solar panels are installed on the other side depending upon the orientation of the building. Around 20 of the total energy requirement of the project are met by onsite solar power production.

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24 Figure 25 North Light Glazing Glazing is used for the daylight and high performance glass is used to reduce the amount of heat transfer inside the room. Figure 26 Superfan Traditional fans are replaced with remote operated superfan which claims to saves more than 50 energy.

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25 Figure 27 Open space for daylight and high performance glass Open space is provide between various sections of building for better views and daylight. CFC free Air-Conditioners are fitted with sensors which maintain comfortable temperature inside the regularly occupied spaces.

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26 Unit-6 Building Materials and Resources and Indoor Environmental Quality  Building materials and resources used in the construction and operation have a great impact on the environmental conditions. The building is made up of fly-ash bricks and fly-ash cement which is made up of industrial waste i.e. fly-ash.  The roof lawn trays are made entirely of recycled plastic waste.  Instead of conventional ply or wood this project uses a composite agro-board manufactured from bagasse Sugarcane waste Figure 28 Segregation of Waste and Artificial Composter

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27 The daily waste is segregated into five categories  Paper Waste  Food Waste  Plastic Waste  Metal Waste  Glass Waste Food waste is artificially decomposed to make manure and all other types of waste are sent for recycling. Figure 29 Ceramic Tiles used for flooring  The ceramic tiles used for flooring have culets broken tiles Paper etc.

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28 Figure 30 Cladding  95 of the materials used in this project are harvested extracted or manufactured within a radius of 500 miles from the project site.  CO 2 Monitoring sensors are installed in regularly occupied spacing so that maximum level of CO 2 is 530ppm in the premises.  Low VOC Volatile Organic Compound paint and adhesives are used inside the building. There is access of outside view in every room.  Flat 5g/l and Non Flat 10g/l  Indoor Air Quality is regularly monitored.  Declared entire site as “Non-Smoking area”

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29 Made By- Naman Sukhija +91-9950222626 namansukhijagmail.com Intern 27 May 2015 – 10 July 2015 at Indian Green Building Council Hyderabad Telangana India 500081 JK Lakshmipat University Jaipur Rajasthan India 271861

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