Descriptive Comparison between a Centrifugal & Reciprocating Compressor
Descriptive Comparison between a Centrifugal & Reciprocating Compressor
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A 1 2 3 4
B
C
D
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F
G
Comparison between LEED India & GRIHA S.No. 1
LEED India
CRITERIA SUSTAINABLE SITES Construction Activity Pollution Prevention SITE SELECTION
5
GRIHA
Criteria No. - Credit Pre Requisite 1
Description
Criteria - Credit
Description
SS Credit 1-
Contaminated Site Remediation.
Criterion 1-1 POINT
Site Selection including proximity to services and brownfield criterion. No Criterion for previously developed land.
6 No Criterion for previously developed land.
7
No Criterion
8 Development Density and Community Connectivity 9
SS Credit 2
Forbids development on farmland, wetlands and within 50 feet of a water body. Density Calculations define the Criterion 1- no point requirement of Public Amenities.
Public services not dealt in detail. Housing not dealt in detail.
1 point to Public Services. 10 11 ECOLOGICAL CONSERVATION
2 points to Housing (40%) within 2 kms. Brownfield Development.
Included in the site selection criterion.
Criterion 2 & 3
Preserve and protect landscape during construction (selectively applicable).
12 13 14 15 PARKING AND TRANSPORT
Natural Topography and Landscape to be protected. Protected > 20% - 1 point. Protected >30% - 2 points. Transport Credits are easier to Criterion 1 achieve. eg. 3000 sq.mts. will require only 36 cycle parkings.
Soil conservation (till postconstruction). ……….. ……….. Included in the site selection criterion.
Special parking for shared Vehicles.
No Criterion for shared parking.
Heat island effect reduction on roof (2 points).
Reduce hard paving on-site and provide shaded hard paved surfaces. Roof and parking not described specifically. Efficient outdoor lighting.
Heat Island effect reduction on parking (2 points). No description in outdoor lighting. No description on sensors. Night Pollution Reduction from exterior and facade.
No description on sensors. No comments on night pollution.
WATER EFFICIENCY WATER CONSUMPTION
20% REDUCTION-1 CREDIT
29 30% REDUCTION-2CREDIT 30 31 Water Efficient Landscaping
Not considered Use high efficiency irrigation technologies, OR, use captured rain or recycled site water, to reduce potable water consumption for irrigation by 50% over conventional means
32 Use only captured rain or recycled site water to eliminate all potable water use for site irrigation (except for initial watering to establish plants), OR do not install permanent landscape irrigation systems. 33
A
B
C Innovative Wastewater Treatment and Reuse
D
E Option 01 - Reduce the use of municipally provided potable water for building sewage conveyance by a minimum of 50%.
F
G Provide necessary treatment of waste water for achieving the desired concentrations for disposal/reuse.
34 Option 02 -Treat 100% of wastewater on-site to tertiary standards.
Carry out water testing for various parameters prescribed in the Pollution Control Acts, Rules and notifications, CPCB, 1998, for disposal in surface water and on land or other reuse application
35 36
3
ENERGY AND ATMOSPHERE Prerequisite 1 Fundamental Commissioning of Building Systems
37 Minimum Energy Performance
Intention is to verify and ensure that fundamental building elements and systems are designed, installed and calibrated to operate as intended Establish the minimum level of energy efficiency for the base bldg and systems.
Not considered
Not considered
38 Intention is to reduce ozone depletion
CFC Reduction in HVAC&R Equipment
•Commitment Employ 100% zero ODP insulation; HCFC / and CFC free HVAC and refrigeration equipments and/ halon-free fire suppression and fire extinguishing systems.
39 Optimize Energy Performance
40
•Intention is to achieve increasing levels of energy performance above the prerequisite standard to reduce environmental impacts .
41
42 Renewable Energy (2.5%1p, 7.5%-2p,12.5%-3p)
Encourage renewable technologies to reduce environmental impacts associated with fossil fuel energy use.
•Climate respo-nsive design.
•Avoid over designing of lighting & HVAC •10%-40% less energy consum-ption through simulation •Renewable energy utilization
43 44
Enhanced Commissioning
Verify and ensure that the entire building is designed, constructed and calibrated to operate as intended.
45 Reduce ozone depletion and support early compliance with the Montreal Protocol.
Commitment Employ 100% zero ODP insulation; HCFC/ and CFC free HVAC and refrigeration equipments and/ halon-free fire suppression and fire extinguishing systems.
Provide for the ongoing accountability and optimizan of bldg energy & water consumption performance over time
•Energy audit report to be prepared by approved auditors of the Bureau of Energy Efficiency, Government of India.
Ozone Protection
46 Measurement and Verification
47
•1% (mandatory) - 5% of lighting Where evidence can be provided showing a client commit-ment to a firm commissioning period prior to hand over to ensure efficient operation of all the services within the building.
A
B
C
Green Power
D
E Encourage the development Criterion 18 and use of grid-source, renewable energy techno-logies on a net zero pollution basis
F
G •1% (mandatory) - 5% of lighting load.
48 Criterion 19
•20% or more of annual energy requir-ed for heating water through renewab-le energy based water-heating system.
49 50 51 52 53 54 55 56 57 LEED recognizes that on an average people spend 90% of their time at home as a result of which IEQ becomes a very critical factor for maintaining occupants health.
GRIHA doesn’t have a category dedicated to IEQ st but the 1 two categories have subheads- Health and Well Being.
Minimun IAQ Performance
• Aims to establish minimum IAQ performance to prevent development of IAQ related problems.
Not considered
Environmental Tobacco Smoke (ETS) Control
• Aims to minimize exposure of occupants, indoor surfaces and air distribution systems to ETS. • Achieved by prohibiting smoking in the building + distancing smoking areas from others. + separating ventilation systems of smoking rooms entirely. + sealing gaps in floors, walls, etc. + weatherstripping doors
Aims to achieve zero exposure to tobacco smoke for nonsmokers and exclusive ventilation for smoking rooms
Outdoor air Delivery Monitoring
• Achieved by installing CO2 monitoring systems that generate alarm when conditions vary by 10% from set point. • Monitoring devices to be located between a height 3’ and 6’ from the floor. • CO2 and airflow measurement equipment may also be installed and connected to HVAC and BAS system for corrective action.
Not considered
Increased Ventilation
• Achieved by improving IAQ 30% above ASHRAE 62.12004 requirements for mechanically ventilated systems. Heat recovery may be adopted. • Achieved in naturally ventilated buildings by conforming to the recommendations set forth in Carbon Trust “Good Practice Guide”.
Not considered
INDOOR ENVIRONMENTAL QUALITY 5
58
59
60
61
62
A
B
C Construction IAQ Management Plan
D
E During Construction • Achieved by meeting recommendations set in Design Approaches of the SMACNA IAQ Guidelines + protecting absorptive materials on site from moisture damage. • Using filtration media with a MERV of 8 at each return grill in case air handlers are used. After Construction • Using filtration media with a MERV of 8 flush out building post construction and replace with MERV 13 or better.
F
G
Aims to reduce air pollution due to on–site construction by ensuring proper screening, covering stockpiles, covering bricks and loads of dusty materials, wheel-washing facility, and water spraying to reduce respiratory problems.
63 Low Emitting Materials
Adhesive and sealants Paints Carpet Composite wood and agrifiber products Healthy indoor environment maintained by use of low VOC materials.
Indoor Chemical & Pollutant Source Control
• Achieved by employing permanent entryway systems in the direction of travel for at least6’. • Exhausting rooms with harmful gases present with negative pressure w.r.t adjacent rooms. • Providing air filtration media of MERV 13 or better.
Aims to select materials with low to zero quantities of such chemicals so as to minimize the source of emission. In selecting low VOC materials, a practical thumb rule is to choose water-based products with low odour.
64 Halon-free fire suppression and fire extinguishing systems to eliminate or control the release of ozonedepleting substances into the atmosphere.
65 Controllability of Systems Lighting
• Achieved by providing individual control for 90% of the building occupants.
Not considered
66 Thermal Comfort
• Achieved by providing individual comfort control for 50% of the building occupants.
Daylight
Achieved by providing a minimum Daylight Facto of 2% in 75% of all spaces.
Not considered
Views Achieved by providing direct line of sight to vision glazing for 90% of the occupants.
