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Last edited 20 Sep 2019
Green rating systems
Construction has both direct and indirect environmental impacts. As a result, a large number of 'green' rating systems have been established to help mitigate these impacts through the encouragement, measurement and recognition of sustainability performance.
BRE’s rating system, BREEAM, was the UK’s first green rating system, launched in the 1990s, followed by the US’ Leadership in Energy and Environmental Design (LEED) rating system in 2000. It is now thought that there are around 600 green certification systems worldwide.
Rating systems measure relative levels of compliance or performance with goals and requirements; generally, the aim is to create projects that are environmentally responsible and use resources efficiently throughout the project lifecycle.
The benefits of using a green rating system include:
- Environmental aspirations can be set.
- Clear goals can be worked towards.
- Environmental performance can be verified.
- Environmental performance can be demonstrated to third parties.
- Improvement can be measured and demonstrated.
- Green education can be facilitated and encouraged.
- Positive marketing can be generated.
Some of the most commonly-used green rating systems include the following:
|BUILDING RATING OR CERTIFICATION SYSTEM||TYPE OF STANDARD OR CERTIFICATION||MANAGING ORGANISATION||ISSUES/AREAS OF FOCUS|
|BCA Green Mark Scheme (Singapore)||Benchmarking scheme that aims to achieve a sustainable built environment by incorporating best practices in environmental design and construction, and the adoption of green building technologies.||Building and Construction Authority (BCA)||
3 Water efficiency.
4 Environmental protection.
1. New construction.
3. In-use buildings.
8. Management processes.
2. New construction.
3. Existing building.
|JSBC (Japan Sustainable Building Consortium) and affiliated sub-committees||
Assessment areas include:
2. Resource efficiency.
3. Local environment.
|CEEQUAL||Delivering improved specification, design and construction of civil engineering works, providing an evidence-based sustainability assessment, rating and awards scheme.||BRE Global||
1 Project/Contract Strategy.
2 Project/Contract Management.
3 People & Communities.
5 The Historic Environment.
8 Physical Resources Use & Management.
|Code for Sustainable Homes||A method for assessing and certifying the sustainable design and construction of new homes.||BRE||
|EDGE||A universal standard and a certification system for residential and commercial structures.||International Finance Corporation (IFC).||
Assessment areas include:
|Energy Star (USA)||Government certification using a benchmarking method.||U.S. EPA and U.S. DOE.||Building energy and water use.|
|Green Globes (USA)||
1 Existing buildings.
2 New construction.
|Green Building Initiative in the U.S.BOMA Canada.||
|Leadership in Energy and Environmental Design (LEED) (USA)||
1 New Construction (NC).
3 Commercial Interiors (CI).
4 Core & Shell (CS).
5 Schools (SCH).
7 Healthcare (HC).
9 Neighborhood Development (ND).
|U.S. Green Building Council||
1 Water efficiency.
2 Energy & atmosphere.
3 Materials & resources.
5 Locations & linkages.
6 Awareness & education.
|Living Building Challenge (USA)||International Living Future Institute||
|Passivhaus||An energy performance standard for dwellings, commercial, industrial and public buildings.||Passivhaus-Institut||
3 Night purging.
8 Avoidance of thermal bridges.
9 Passive solar gains.
10 Exploitation of internal heat sources.
|Pearl Rating System for Estidama (UAE)||
Green building rating system for:
4 Temporary villas and buildings.
|Abu Dhabi Urban Planning Council||
Assessment of performance in:
1 Integrated development process.
2 Natural systems.
3 Livable communities.
4 Precious water.
5 Resourceful energy.
6 Stewarding materials.
7 Innovating practice.
|Ska Rating||Environmental assessment method, benchmark and standard for non-domestic fit-outs.||Royal Institute of Chartered Surveyors (RICS)||
The Ska assessment process is broken into three stages:
|WELL Building Standard (USA)||
1 New and existing interiors.
2 Core and shell retail.
3 Education facilities.
5 Commercial kitchen.
6 Multi-family residential.
|Administered by the International WELL Building Institute™ (IWBI)||Measures attributes of buildings that impact occupant health by looking at seven factors: air, water, nourishment, light, fitness, comfort, mind.|
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