griha presentation. for project managers
TRANSCRIPT
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Why Rate Buildings ?
Buildings consume:1. 40% Energy.....2. 42% Water.......3. 50% Raw materials …
(TERI Griha Manual Vol.1)
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Building Activity contributes to :1. 50% Air Pollution......2. 42% Green House Gas....3. 50% Water Pollution......4. 48% Solid Waste Generated....5. 50% CFC.....
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We Architects and Engineers
Seem like some “Villains”.... :(Following “Ratings” will make us less of so.. :):)
Ratings – evaluation Tool for Ecological Perfomance through Life Cycle of a Building..
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Ratings- What do they do?
1. Look at various parameters ofa)Design....b) Construction...c) Operation 2.Criterion with assigned Points3.A project gets points...points add up...4.Voluntary in nature...
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Some other rating systems:
BREEAM:Building Establishments Environmental Assessment Method.
One of the earliest developed in 1990 in UK.
CASBEE: Comprehensive Assessment System for Building Environment Efficiency.
Developed in Japan 2001.
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GB Tools: Green Building Tools developed by International Framework committee of 25 countries . Developed in 1998 and constantly updated
HK BEAM: Developed in1996 in Hong Kong
LEED: Leadership in Energy and Environmental Design developed in US 1998.
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GRIHA
Green Rating for Integrated Habitat Assessment.Developed by TERI and endorsed by MNRE.
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Salient points
GRIHA has been developed for the different agro-climatic Zones of India.
Developed particularly for non-ac spaces or partially ac building.
Evaluators are experts from different fields connected to the buildings and are from specific region where the building is situated
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Stresses on optimization of visual and thermal indoor comfort.
Integrates all relevant Indian Codes and Standards to act as tools for implementation
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Emphasis:
Minimise --resource consumption-waste generation-overall ecological impact By Five R philosophy--Refuse-Reduce-Reuse-Recycle-Reinvent.
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Broad categories: Site selection and Planning Building Planning and Construction Building Operation and Maintenance Innovation(34 Criteria---for this presentation 19 criteria
taken up)
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Criterion 2: Preserve existing Vegetaion/or plant as per
Griha (1 point)Proper timing of Construction w.r.t. Rains
(optional clause no points) Confine Const. Activity (1 point) Erosion and sedimentation control (1 pt.)Preserve topsoil (1 point)TOTAL 4 POINTS.....
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details
Protect by making tree guards Tree guards to extend beyond the drip line
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Detention pond
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Do not-----
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Do not
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Criterion 3:Soil Conservation:Very important oft overlooked.It takes 100 years for 25 mm of soil to form (Griha manual:Vol 2)
In India we have different types of soil, identify them, study fertility, pH,saline levls.,
Store it at site...Avoid carting fertile soil from elsewhere..
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Check this site : http://ceds.org/esp.html gives vary comprehensively cost incurred when soil is left un-conserved.
Involve Landscape Architect from the beginning of the design as well as all the time during construction.
Total Points -2
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Criterion 8:Health and Well being.Follow NBC guideline 2005 for safety/sanitation.Maintain Machinery..Signages at appropriate locations.Provide Safety Equipemnts, fire extinguishres..Light for Night work..Double earthing for Hand tools.(Point 1) ...oodles of social points...
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Criterion 9:.Control Air Pollution during Construction.Clear minimal vegetation where needed..Provide hoarding around..Veg/Mulch where vehicles do not ply..Limit Vehicle movement-speed to10km/hr..Hard pave vehicle circulation path..Cover/ Enclose all loose materials, dusty loads.(Points 2)..oodles of economic points...
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Criterion 12
.Slag cement uses 1-10% less water.(Griha manual Vol.4)
.Employ Moist Curing better still Membrane Curing..
.Use Superplaticizers
.Use Precast construction Technology.
.Partitions of Dry walling.
(Points 1)...oodles of ecological points...
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Criterion 15
Speaks mainly on---- Utilization of Fly Ash in construction andUse of Pozzolana Cement
(Points 6)
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Criterion 16
.Low Embodied Energy Materials and Methods.
.Pre-stressing/Pre- casting.
.Rat Trap brickwork/ Jali brickwork.
.Stabilized Mud Block To name a few....
(Points 4)...oodles of Ecological points...
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Walls
Bricks EE 3(MJ/Kg)Concrete block EE 0.87(MJ/Kg)
Plaster EE1.8(MJ/Kg)
Paint EE67.5(MJ/Kg) CSEB EE 0.275(MJ/Kg)
Brick wall Mud wall.
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Criterion 17:
Use of Low energy materials in Interiors.Though a subject closer to design still Project
Manager are important players..Renewable..Use waste products.Use of waste as raw material in different
stages..Durable/Low-maintenance.Products which generate min. waste during
production(Points:4)
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Built in furniture
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Criterion 20:
Decide on the suitable Waste Water Treatment systems.
.Many new ecological systems available:1.DEWATS2.SBT. 3.Use of Additives like Bio-sanitizers and EMResponsibility is to carry out regular wastewater
treatment testing.(Points 2)
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DEWATS
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Soil Bio Technology (SBT)
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Criterion 21
Water Recycle and Reuse:Rainwater Harvesting is its key requirement..Need inputs on Rainfall patern..Soil type..Level of underground water..Pollution field..Per capita need/ Production need..Dual Plumbing
(Points 2)...oodles of ecological/economical points
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through6” PVC Pipe in to The open well.
Road Drain Water Diverting
Water is collected In the open well &Same will be allowed to percolates through the ground
During Rain,Water flowThrough theValley, will beCollected inThe open well
Check Dam ConstructedTo check theRain water& allow theWater to Percolate intoThe groundTo increase The Ground Water Table.
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Criterion 22:
Waste Management:.Waste reduction during construction:.Safe disposal of waste within the site—
achieve/strive for zero debris.Waste prevention strategy:.Std. Dimensions..Consider using used bldg.materials
(Points1)...oodles of eco logical/economical points
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Criterion 23:
Waste Segregation:.Though a use parameter--This should be attempted as part of the design
as well as project management.
(Points1)...oodles of eco logical/economical points
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Criterion 24:
Storage and Disposal of waste:
Allocate a separate space where disposal of collected waste can happen safely
(Points1)...oodles of eco logical/economical points
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Criterion 25:
Resource recovery from waste:
.Waste can be fuel
.Waste can be manure
(Points1)...oodles of eco logical/economical points
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Criterion 26:
Use low VOC Paints-Strive for
No Paints No sealants
(Points 3)
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Criterion 27
MinimizeOzone depletingSubstances:Live with Solar Cycle.In the design Introduce courtyards
(Point 1)
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Criterion 28
Ensure Water quality asper Indian Standards..Work with water optimization plan..Provide water quality results before and after
treatment..Check quality frequently.
(Points 2)
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Criterion 29
Acceptable outdoor and indoor noise levels..Work with Noise reduction/sound transferrability
coefficients and decide on materials .Strategies outdoor noise control..Reduced use of noise creating equipments
during construction
(Points 2)
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Criterion 30:
Non Smoking Policy
(Point 1)
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Criterion 31:
Universal design
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Criterion 32/33:
Energy audit and Validation:Energy audit report to be prepared by approved
auditors of BEE and Govt.Of India.(Points 0)C33:Building Operation and maintenance:Validate and maintain Green performancesProvide for O and M manuals..(Points 2)
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Criterion 34:
Innovation:Lots to consider and no limit............
(Points 4)
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