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Green building ppt

The document discusses green buildings in India. It begins by defining green buildings as those that seek to optimize the use of natural elements like earth, water, fire, air and sky in their design and construction to be eco-friendly and energy/water efficient while providing a healthy environment. It then provides examples of some of India's earliest green buildings and lists the goals of green buildings, such as minimizing environmental impact and energy/water usage. The principles and advantages of green buildings are outlined, along with some disadvantages and common green building materials. Green building rating systems are also summarized.

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GREEN BUILDING
Introduction Our ancestors worshipped the five elements of nature- Earth as ‘prithvi’ Water as ‘jal’ Agni as ‘energy’ Air as ‘vagy’ Sky as ‘akash’ A green building or environmental building or sustainable building is a building which seek to harness all these natural elements in its design and construction to an optimum level so as to have an eco-friendly, low energy & low water consumption building and at the same time providing fresh and healthy environment to its occupants.
Green building in India •The first green building in India, CII – sohrabji godrej green business centre in Hyderabad, was inaugurated on 14 July 2004. (platinum rated) •The centre for environmental sciences and engineering (CESE) building at the IIT-Kanpur became the first building in India to be awarded five-star green rating for integrated habitat assessment (GRIHA) RATING by TERI (the energy and resources institute, new Delhi) in 2009. •ITC green centre, Gurgaon – platinum rated green building. •Wipro technologies, Gurgaon – platinum rated green building. •Grundfos pumps, Chennai – gold rated green building. •NEG micon, Chennai – gold rated green building. •Suzlon one earth, pune – 5 star
Goals of green building •To make optimum use of five elements of nature i.e. ‘prithvi’, ’jal’, ‘energy’, ‘vayu’ and ‘akash’. •To make minimum use of energy in building design, construction, use and maintenance. •To reduce use of water in a building. •To minimize damage to the environment. •Re-use of waste materials in the construction. •To reduce the production of wastes during construction. •To reduce production of greenhouse gases (GHG). •To maintain equilibrium of the environment. •To provide fresh and healthy environment to the occupants of a building. •To promote use of ‘local materials’ in the construction.
Principals of green building •Sustainable site selection •Energy efficiency •Water efficiency •Material efficiency •Design efficiency •Occupant health and safety
Threats of Climate Change •Floods •Droughts •Storms •Fire •Earthquake •Rising sea level •Endangered species and plants •No Drinking Water •Starving Humans----etc.
•Fly ash •Green concrete •Use of scape and recycled aggregate in concrete •Other waste materials such Blast furnace slag Silica fume Red mud Marble dust Cinder Waste glass Jute fibers •Wood salvaged from old buildings has been used for doors and windows •Wood substitutes like Various green material
Advantages of green building Economic benefit • Energy efficiency: green buildings are around 25-30% more energy efficient, with gold-rated buildings as much as 37% efficient. • Water efficiency: green buildings use 20-30% less water compared with similar conventional buildings. This reduces operating water costs. • Optimize life-cycle economic performance. Environmental benefits. • Enhance and protect ecosystems and biodiversity. • Improve air and water quality. • Reduce solid waste. Health and community benefits • Improve air, thermal and acoustic environment. • Enhance occupant comfort and health. • Enhanced image and marketability.
Disadvantages of green building •Increases in 15-20% coast as compared to ordinary building. •Modern techniques are required. •Expert knowledge of the persous in the field in necessary. Green Building Concept •Sustainable site planning •Building Design optimization •Energy performance optimization •Renewal energy utilization •Water and Waste management •Solid waste management •Sustainable building material and construction technology Health, well-being and environmental quality
Green Building Rating System A green building rating system is an evaluation tool that measures environmental performance of a building through its life cycle Comprises of a set of criteria covering various parameters related to design, construction and operation of a green building Each criterion has pre-assigned points and sets performance benchmarks and goals that are largely quantifiable A project is awarded points once it fulfills the rating criteria. The points are added up and the final rating of a project is decided. Globally, green building rating systems are largely voluntary in nature and have been instrumental in raising awareness and popularizing green building designs.
Successful International Rating Programs: BREEAM Building Research Establishment’s Environmental Assessment Method (BREEAM) was developed in UK in 1990 •Covers a range of building types: offices, homes, industrial units, retail units, and schools. •Points are awarded for each criterion and the points are added for a total score. •The overall building performance is awarded a ‘Pass’, ‘Good’, ‘Very Good’ or ‘Excellent’ rating based on the score. •BREEAM has separate criteria/checklist for evaluation of -Design and Procurement -Management and Operation of buildings •There is also a set of core credits that can be applied for, in case if the building wishes to go in for ‘Core only’ assessment for building performance.
Successful International Rating Programs: LEED •Leadership in Energy and Environmental Design (LEED®) was developed and piloted in the US in 1998 as a consensus-based building rating system based on the use of existing building technology. •The rating system addresses specific environmental building related impacts using a whole building environmental performance approach. •The Indian Green Building Council has adapted LEED system and has launched LEED India version for rating of new construction. •Indian Green Building Council (IGBC) has launched several other products for rating of different typologies of buildings including homes, factories, among others.
34 rating criteria Sustainable Site Planning •Criterion 1 - site selection. •Criterion 2 – preserve and protect the landscape during construction / compensatory depository. •Criterion 3 – soil conservation (till post – construction). •Criterion 4 – design to include existing site features. •Criterion 5 – reduce hard paving on-site and / or provide shaded hard-paved surfaces. •Criterion 6 – enhance outdoor lighting system efficiency. •Criterion 7 – plan utilities efficiency and optimize on-side circulation efficiency. Protection: Well Being •Criterion 8 – provide at least, the minimum level of sanitation /safety facilities for construction workers. •Criterion 9 – reduce air pollution during construction.
Water Management • Criterion 10 – reduce landscape water requirement. • Criterion 11 – reduce building water use. • Criterion 12 – efficient water use during construction. Building Design Optimization •Criterion 13 – optimize building design to reduce the convertional energy demand. Energy Performance Optimization. •Criterion 14 – optimize the energy performance of the building within specified comfort limits. Sustainable Building Material & Construction Technology •Criterion 15 – utilization of fly ash in the building structure. •Criterion 16 – reduce volume, weight, and time of construction by adopting an efficient technology (e.g. pre-cast systems, ready-mix concrete, etc.) • Criterion 17 – use low-energy material in the interiors. Renewable Energy Utilization •Criterion 18 – renewable energy utilization. •Criterion 19 – renewable energy-based hot-water system.
Waste Water Management •Criterion 20 – waste water treatment. •Criterion 21 – water recycle and reuse (including rainwater) Solid Waste Management •Criterion 22 – reduction in waste during construction. •Criterion 23 – efficient waste segration •Criterion 24 – storage and disposal of waste. •Criterion 25 – resource recovery from waste. Environmental Quality •Criterion 26 – use of low-voc, paints/adhesives / sealants. •Criterion 27 – minimize ozone-depleting substances. •Criterion 28 – ensure water quality. •Criterion 29 – acceptable outdoor and indoor noise levels. •Criterion 30 – tobacco and smoke control. •Criterion 31 – provide the minimum level of accessibility for persons with disabilities. •Criterion 32 – energy audit and validation. •Criterion 33 – building operation and maintenance. •Criterion 34 – innovation points.