Global Sustainability Assessment System (GSAS)
Transcript of Global Sustainability Assessment System (GSAS)
Global SustainabilityAssessment System
(GSAS)
An Overview - 2017
2An Overview - 2017
Sustainability Promises
The commonly accepted definitions of sustainable development focus on the use of resources by the current generation in a manner that does not negatively affect the ability of future generations to meet their needs.
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Impr
oving Human Wellbein
g
Co
nse
rvin
g N
atural Resources Protectin
g En
viro
nm
ent
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The Built Environment Context
› Built environment generally refers to the human made surroundings that provide the setting for human activity, ranging from the large-scale civic surroundings to the personal places.
› Built environment does not solely comprise buildings, infrastructure and transport. It includes the human community and cultural experiences. The interaction between these components influences how the built environment develops over time and contributes to developing a ‘sense of place’, comprising all of its features, whether natural or constructed.
› Built environment also, however, has wide ranging negative environmental impacts, including impacts associated with air quality, water and energy consumption, transport accessibility, materials use and management of waste, just few to mention.
www.mfe.govt.nz
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Environmental Challenges in GCC
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GCCEnvironmental
Challenges
Water DepletionGCC is among the poorest countries in the world in fresh water availability from natural resources
Fossil Fuels DepletionGCC has the highest energy consumption per capita in the world
Climate Change/ Air PollutionGCC has the highest CO2 emissions per capita in the world
Water PollutionGCC relies 100% on desalination which has negative impacts on environment
Materials Depletion/Land ContaminationGCC is among top 10 countries worldwide in the production of C&D waste per capita
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Impacts of Pollution on Health
AIR POLLUTION
Respiratoryillness
WATER POLLUTION
SOIL CONTAMINATION
Skin irritationNausea
Cancer risk
BacteriaParasitesChemicals
HeadacheFatigue
Cardio-vascular illness
Pesticides
Nervedamage
SO2
NOx
COParticulate
matterOzone
Volatileorganic
compoundsGastroenteritis
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Benefits of Adoption to Sustainability Practices
› Environmental Benefits
CONSERVEwater, energy, and other resources
MINIMIZE emissions and waste production
IMPROVE water, land, and air quality
ENHANCE biodiversity and ecosystems
IMPROVEHuman health & comfort
PRESERVE cultural identity
CREATE opportunities in green businesses
REDUCEoperations & maintenance costs
› Societal Benefits
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10% 10% 6% 6%
13%
Decrease in Operating Cost
Increase in Building Value
Improvement in ROI
Increase in Occupancy
Increase ofRent
Economic Benefits of Adoption to Sustainability Practices
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Benefits as Direct Savings on Resources
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Savings in water consumptionby
40%
Savings in energy use & reduction of greenhouse gas emissions by
30%
Reduction of construction and demolition waste sent to landfills by
75%
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Global Sustainability Assessment System (GSAS) Outline
› Global Sustainability Assessment System (GSAS) is developed by GORD through several years of intense collaboration with the TC Chan Centre at the University of Pennsylvania, and School of Architecture at the Georgia Institute of Technology, USA and other reputed houses of expertise.
› GSAS was developed by drawing best practices adopted from 40 different rating systems known regionally and internationally.
› Primary objective of GSAS is to create a sustainable built environment that minimizes ecological impact while addressing the specific social and cultural needs and environment of the region.
› GSAS is the Middle East’s first integrated and performance-based sustainability assessment system for the built environment. The systematic assessment method is applied seamlessly from the macro to a micro scales encompassing urban design, infrastructure and buildings levels.
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Groundwork2007-2009
Experts Composition
New Rating System
GlobalSustainabilityAssessment System
Design Guidelines
Assessment Categories / Criteria
Weiting +Scoring
Energy Standard
UK:BREEAM
US:LEED
CANADA:GREENGLOBES
HONG KONG:CEPAS
JAPAN:CASBEE
International:SBTool
Compilation of140+Rating Systems ToolsGuidelines
Innitial Assessment of40 Whole BuildingRating Systems
Further Detailed Analysis of6 Most EstablishedRating Systems
Fields
Regi
onal
Con
text
[1] Energy Experts[2] Systems Developers[3] Industry Specific
[1] US[2] UK[3] Netherlands[4] Canada[5] Japan[6] China[7] Hong Kong[8] Australia
LocalGovernment / Non-Government
International
(ISO - CEN)
GSAS Development Process
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Ground-up Approach Seamless integration between sustainability practices and regional requirements.
Best Mix Combines the best features from the world’s most established sustainability rating systems.
Performance-based A quantifiable and result-oriented rather than feature-oriented approach.
Flexible Individual components are adaptable to any project of any scale without compromising the system integrity.
Control Affords complete control over the development, customisation, deployment and future modifications or expansion of the rating system based on any set of specific requirements.
Advantages of GSAS Approach
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System Framework
Integrated Project Life-Cycle Approach
SystemCategories
EnvironmentalImpacts
UrbanConnectivity
Energy
Site
Water
Materials
Indoor/OutdoorEnvironment
Cultural &Economic Value
Management &Operations
AirPollution
Land Use &Contamination
FossilFuel Depletion
WaterDepletion
WaterPollution
MaterialsDepletion
Human Health &Comfort
ClimateChange
DESIGN CONSTRUCTION OPERATIONS
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UrbanConnectivity
UrbanConnectivity
UrbanConnectivity
Energy
Energy Water
Water
Materials
IndoorEnvironment
IndoorEnvironment
Cultural &Economic Value
Cultural &Economic Value
Cultural &Economic Value
Management& Operations
Management& Operations
Site
Site
UrbanConnectivity
UrbanConnectivity
UrbanConnectivity
Energy
Energy Water
Water
Materials
IndoorEnvironment
IndoorEnvironment
Cultural &Economic Value
Cultural &Economic Value
Cultural &Economic Value
Management& Operations
Management& Operations
Site
Site
Goals define values to be achieved to lower urbanization impacts on the environment and improves human well-being
[UC] The building’s planning shall incorporate urban considerations.
[S] The building’s development in relation to the existing site conditions shall be controlled.
[E] The building’s depletion of fossil energy over its service life shall be controlled.
[W] The building’s impact on the overall water resource shall be controlled.
[M] The impact of the building’s use of materials on the environment shall be controlled.
[IE] The building’s indoor environment shall be controlled.
[CE] The building’s cultural and economic value shall be maintained or enhanced.
[MO] The building’s management and operations plan shall be defined.
GSAS Goals
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[UC] Urban Connectivity
Consists of factors associated with the urban environment such as zoning, transportation networks and loadings. Loadings on the urban environment include traffic congestion and air, noise, and light pollution.
[S] Site
Consists of factors associated with land use such as land conservation or remediation and site selection, planning and development.
[E] Energy
Consists of factors associated with the energy demand of buildings, the efficiency of energy delivery, and the use of fossil energy sources that result in harmful emissions and pollution.
[W] Water
Consists of factors associated with water consumption and its associated burden on municipal supply and treatment systems.
[M] Materials
Consists of factors associated with materials extraction, processing, manufacturing, distribution, use/re-use, and disposal.
[IE] Indoor Environment
Consists of factors associated with indoor environmental quality such as thermal comfort and air, acoustic, and light quality.
[CE] Cultural & Economic Value
Consists of factors associated with cultural conservation and support of the local economy.
[MO] Management & Operations
Consists of factors associated with building design management and operations, such as sub-metering of energy usage, leak detection, and commissioning.
8 GSAS Categories
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GSAS Categories & Weights
The comprehensive GSAS rating system measures and evaluates every project on eight key aspects or categories that have a direct impact on environmental stress mitigation. Each Category is assigned a weight based on Analytical Hierarchy Process (AHP). The categories are then broken down into specific criteria that measure and define these individual issues. A score is then awarded to each criterion based on the level of compliance.
MO7%
UC7%
S7%
E24%
W16%
M10%
IE16%
CE7%
Urban Connectivity [UC] 7%
Site [S] 13%
Energy [E] 24%
Water [W] 16%
Materials [M] 10%
Indoor Environment [IE] 16%
Cultural and Economic Value [CE] 7%
Management and Operations [MO] 7%
MO7%
UC7%
S7%
E24%
W16%
M10%
IE16%
CE7%
Urban Connectivity [UC] 7%
Site [S] 13%
Energy [E] 24%
Water [W] 16%
Materials [M] 10%
Indoor Environment [IE] 16%
Cultural and Economic Value [CE] 7%
Management and Operations [MO] 7%
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No Category / Criteria
UC Urban Connectivity
UC.1 Proximity to InfrastructureUC.2 Load on Local Traffic ConditionsUC.3 Public TransportationUC.4 Private TransportationUC.5 Sewer & Waterway ContaminationUC.6 Acoustic ConditionsUC.7 Proximity to AmenitiesUC.8 Accessibility
S SiteS.1 Land PreservationS.2 Water Body PreservationS.3 Habitat PreservationS.4 VegetationS.5 GSAS Construction Management - PartialS.6 Rainwater RunoffS.7 Heat Island EffectS.8 Wind ComfortS.9 Noise PollutionS.10 Light PollutionS.11 GSAS Construction Management - FullS.12 Parking FootprintS.13 ShadingS.14 Visual ComfortS.13 PathwaysS.14 Mixed Use
No Category / Criteria
IE Indoor Environment
IE.1 Thermal Comfort
IE.2 Natural Ventilation
IE.3 Mechanical Ventilation
IE.4 Illumination Levels
IE.5 Daylight
IE.6 Glare Control
IE.7 Views
IE.8 Acoustic Quality
IE.9 Low-Emitting Materials
IE.10 Indoor Chemical & Pollutant Source Control
CE Cultural & Economic Value
CE.1 Heritage & Cultural Identity
CE.2 Support of National Economy
MO Management & Operations
MO.1 Commissioning Plan
MO.2 Waste (Recycling) ManagementMO.3 Facility Management
MO.4 Water and Refrigerant Leak Detection Systems
MO.5 Energy & Water Use Sub-metering
MO.6 Automated Control Systems
No Category / Criteria
E Energy
E.1 Energy Demand Performance
E.2 Energy Delivery Performance
E.3 Primary Energy Sources
E.4 CO2 Emissions and Offset
E.5 NOx,SOx and Particulate Matter
W Water
W.1 Water Efficiency
W.2 Water Consumption and Reuse
M Materials
M.1 Regional Materials
M.2 Responsible Sourcing of Materials
M.3 Recycled Materials
M.4 Materials Reuse
M.5 Structure Reuse
M.6 Design For Disassembly
M.7 Life Cycle Assessment (LCA)
GSAS Criteria: Commercial
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GSAS Criteria: Districts & InfrastructureNo Category / CriteriaUC Urban Connectivity
UC.1 Transportation Load
UC.2 Transportation Amenities
UC.3 Infrastructure Level of service
UC.4 Roads & Highways Network
UC.5 Intermodal Connectivity
UC.6 Utilities Provision
UC.7 Green Transportation
S Site
S.1 Land Preservation
S.2 Water Body Preservation
S.3 Habitat Preservation
S.4 Vegetation (Greenscape/Greening)
S.5 Sea-Level Rise Risk
S.6 Walkability
S.7 Bikeability
S.8 Desertification
S.9 Rainwater Runoff
S.10 Parking Footprint
S.11 Amenities Provision
S.12 Public Space
S.13 Acoustic Conditions
S.14 GSAS Rated Typologies
No Category / CriteriaCE Cultural & Economic Value
CE.1 Heritage & Cultural Identity
CE.2 Support of National Economy
CE.3 Stakeholder Engagement
CE.4 Public Realm
MO Management & Operations
MO.1 GSAS Construction Management Plan
MO.2 Wastewater Management Plan
MO.3 Organic & Solid Waste Management Plans
MO.4 Water Systems Management Plan
MO.5 Energy Systems Management Plan
MO.6 Refrigerants Management Plan
MO.7 Intelligent Transport systems Plan
MO.8 Information Systems Management Plan
MO.9 Landscape Maintenance Plan
MO.10 Infrastructure Maintenance Plan
MO.11 Community and Road Safety Plans
MO.12 Sustainability Awareness Plan
No Category / CriteriaE Energy
E.2 Energy Delivery Performance
E.3 Primary Energy Sources
E.4 CO2 Emissions & Offset
E.5 NOx, SOx, & Particulate Matter
W Water
W.1 Water Consumption and Reuse
M Materials
M.1 Regional Materials
M.2 Recycled Materials
M.3 Materials Reuse
M.4 Life Cycle Assessment (LCA)
M.5 Cut & Fill Optimisation
OE Outdoor Environment
OE.1 Heat Island Effect
OE.2 Wind Comfort
OE.3 Air Flow
OE.4 Noise Pollution
OE.5 Toxic & Hazardous Substances
OE.6 Ambient Air Quality
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System Weighting Methodology
MEASUREMENT METHODS_Criteria
SCORING_
Final Scorefor each Criterion(=a x x x z)
Nor
mal
ised
Res
ults
Percentage (%)
Unit (m, m/sec, m2, etc)
Yes / No (questionnaire)
Criteria
Weighting for each criterion
SCALE_Scale valuefor each criterion:
3
2
1
0 Baseline
-1
CATEGORY_
AHP (AnalyticHierarchy Process)determinedweighting
SCALE1. Equal Important2. Moderate Important 3. Strong Important4. Very Strong Important5. Extreme Important
CRITERIA_
Impact weighting(Extend, Intensity, Duration)
Intensity
WeakLow Single ImpactLow Multiple ImpactModerate Single ImpactModerate Multiple ImpactStrong Single ImpactStrong Multiple Impact
Duration
Transient<25hrWeeksmonthsYearsDecadesCenturies
Extend
1. <10m or space2. 10<100m or building3. Site4. Neighbourhood5. Urban6. Regional / National7. Global
x x
x za
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Criteria Scoring Levels
› Scoring system has five levels
› Criteria that obtains Level -1 does not meet baseline
› Criteria that obtains Level 0 meets the baseline
› Criteria that obtains Level 1 is acceptable
› Criteria that obtains Level 2 is Improved
› Criteria that obtains Level 3 is Optimal Level Range Ordinal Scale
Level 0 <0 Does not meet baseline
Level 1 1<x<=1 Acceptable
Level 2 1<x<=2 Improved
Level 3 2<x<=3 Optimal
3
2
1
0
-1
Level 0
Level 1
Level 2
Level 3
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-0.3 -0.2 -0.1 0.0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
Urban Connectivity
Site
Energy
Water
Materials
Indoor Environment
Cultural & Economic Value
Management & Operations
Points Attainable Achieved Incentive
0.2100.055
0.4200.133
0.0150.720
0.000
0.480
0.480
0.320
0.3000.011
0.020
0.101
0.2100.210
0.2100.084
0.015
GSAS Certification Level chart
GSAS Scoring Bar chart
GSAS Star Rating
› GSAS Toolkit Illustrates points achieved and the maximum attainable points for each category
› Allows user to see which category can be improved upon to obtain desired amount of points and rating level
› Displays the GSAS star level achieved by the project
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0.00
-0.50
-1.00
0.964
Certification Denied Certification Achieved
GSAS Overall Rating
Cumulative or Aggregated Score (X)
GSAS Star Rating ( )
GSAS Certification
x ≤ 0 Certification Denied Certification Denied
0.00 < x ≤ 0.50
Certification Achieved
0.50 < x ≤ 1.00
1.00 < x ≤ 1.50
1.50 < x ≤ 2.00
2.00 < x ≤ 2.50
2.50 < x ≤ 3.00
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Thank You