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1、LEED Case StudyJuly 2008,LEEDTM Green Building Assessment,LEED-Leadership in Energy&Environmental Design,Designed and managed by the USGBC“Score Based”Rating System Design Guide,LEEDTM Green Building Assessment,LEED-NC Credit Breakdown,LEED-CI Credit Breakdown,NC-project,Nokia BDA Campus,Overall LEE
2、DTM Assessment Program,Special Concerns for Office Building Design Public transportation for large staff group Maximise Open Space for communal activities Waste water handling technologies Building energy performance Recycled contents Minimum IAQ performance Outdoor air delivery monitoring Daylight
3、and thermal comfort control Construction Site Management Commissioning Requirements,LEEDTM NC Assessment,Costing for LEED Assessed ProjectSite Selection No major cost implicationWater Efficiency Minor cost implication on Water Saving Fittings Application30%of Water SavingOperation Cost Saving on Uti
4、lity UsageEnergy&Atmosphere Initial cost increment on installing Energy Efficient Design FeaturesDouble Skin FacadeHeat Recovery EquipmentCost Free Energy Efficient MeasuresFree Cooling ControlDaylightingEnergy Cost Saving 20%AnnuallyMaterials&ResourcesRecycled Content Materials minor cost implicati
5、onRegional Materials reduced cost from imported materialsRapidly Renewable Materials comparable higher costIndoor Environmental Quality High material standard for healthy working environmentNo cost implication on comfort control issues,LEEDTM Green Building Assessment,Sustainable Site for LEED,Site
6、Development:Maximized Open Spaces for Communal ActivitiesHeat Island Effect Reduction:All roof areas with High Solar Reflective Index(SRI)materialsNative or Adaptive Plant Species designed for most open areasGrasscrete applied for Open Parking SpacesMaximized Underground Parking SpacesEnvironmental
7、Transportation:Encourage usage of Campus Bus LinesSufficient Bicycle Sheds and Changing Facilities provided in the BuildingCarpool or Vanpool provided in Basement ParkingPreferred Parking Spaces are allocated for Low-emitting&Fuel Efficient Vehicles,Master Planning Issues:Wind Conditions Solar Condi
8、tions,Sustainable Site Design(not only for LEED),Energy Efficient Design-for LEED,Facade Design,Energy Efficient Design for LEED,Atrium,Building Energy Simulation,Overall Annual Energy Cost Saving:20%Comparing with Baseline Design of LEED,Energy Efficient Design for LEED,Water Conservation Strategie
9、s for LEED,Water Conservation Strategies applied:Centralized Recycled Water Supply for Irrigation,Cleansing and FlushingAdaptive Plant Species Further reduce Water ConsumptionWater Saving Fittings applied to Toilets and Bathrooms,Environmental Materials Selection for LEED,Environmental Material Issu
10、es:High Recycled Content Materials SelectedRegional Material to reduce Embodied Energy ConsumptionAdoption of Rapidly Renewable Materials for Interior Design,%in terms of Total Material Cost,Healthy Material Issues:Low-emitting Materials Selected for Interior Design Adhesives&Sealants Paints&Coating
11、s Carpet Systems Composite Wood&Agrifiber Products,Indoor Environment Design for LEED,Atrium Daylighting,LEEDTM On-line Status,LEED Assessment Summary(2007-10-19),LEED-NC Certification,Overall LEEDTM Credit,Green Area and Open Space Maximization Maximized Open Space and larger than Total Building Fo
12、otprint Area in the Site 56%of Open Space are designed as Greenery Minimization of Heat Island Effect Most of Roofing Materials are High Solar Reflective(SRI78)Maximized Usage of Underground Parking Grasscrete Provided for Above Ground Parking Transportation Strategies to minimize Urban Pollution At
13、 least 5%of Occupants are provided with Bicycle Parking Facilities More than 30 Campus Bus routes provided Preferred Parking Space provided for Low-emitting&Fuel Efficient Vehicles Water Conservation No potable water is required for Irrigation and Flushing,native plant species selected or by Grey Wa
14、ter Low-flow fixtures and centralized grey water recycling system connected Total water saving is 37%,comparing with other standard office building Energy Conservation Total 19%of total energy and total energy cost saving,comparing with ASHRAE Baseline Standard Design Energy Efficient Measures inclu
15、de,DSF,Free Cooling,Heat Recovery,Achievement in LEEDTM,Better IEQ for Workspaces Maximized Outdoor Air Supply for Health Standard Low-emitting Adhesive,Sealants,Paints,Coatings,Carpet and Composite Wood Materials Selection Individual Control Provision allowed for 90%of Occupant on Lighting and Air-
16、conditioning More than 77%of Internal Workspace with Sufficient Daylight Level More than 98%of Internal Workspace can access View Outside Sustainable Building Material Selection Strategies 11.7%of Constructin Materials Recycled Content 26%of Construction Materials from Regional Supplies 3.5%of Const
17、ruction Materials are Rapidly Renewable Sustainable Construction Site Management More than 95%of Construction Waste diverted from Disposal Construction IAQ Monitoring Plan Established and Implemented Reviewed&Completed all Commissioning Requirements,Achievement in LEEDTM(Contd),SS Credit 8:Light Pol
18、lution ReductionIntentMinimize light trespass from the building and site,reduce sky-glow to increase night sky access,improve nighttime visibility through glare reduction,and reduce development impact on nocturnal environments.RequirementsFOR INTERIOR LIGHTINGThe angle of maximum candela from each i
19、nterior luminaire as located in the buildingshall intersect opaque building interior surfaces and not exit out through the windows.ORAll non-emergency interior lighting shall be automatically controlled to turn off duringnon-business hours.Provide manual override capability for after hours use.,LEED
20、-NC lighting Credits,SS Credit 8:Light Pollution ReductionANDFOR EXTERIOR LIGHTINGOnly light areas as required for safety and comfort.Do not exceed 80%of the lighting powerdensities for exterior areas and 50%for building facades and landscape features as defined inASHRAE/IESNA Standard 90.1-2004,Ext
21、erior Lighting Section,without amendments.,LEED-NC lighting Credits,EA Prerequisite 1:Fundamental Commissioning of the Building Energy SystemsIntentVerify that the buildings energy related systems are installed,calibrated and perform accordingto the owners project requirements,basis of design,and co
22、nstruction documents.Commissioned SystemsCommissioning process activities shall be completed for the following energy-related systems,at a minimum:Heating,ventilating,air conditioning,and refrigeration(HVAC&R)systems(mechanical and passive)and associated controls Lighting and daylighting controls Do
23、mestic hot water systems Renewable energy systems(wind,solar etc.),LEED-NC lighting Credits,EA Prerequisite 2:Minimum Energy PerformanceIntentEstablish the minimum level of energy efficiency for the proposed building and systems.RequirementsDesign the building project to comply with both the mandato
24、ry provisions(Sections 5.4,6.4,7.4,8.4,9.4 and 10.4)of ASHRAE/IESNA Standard 90.1-2004(without amendments);and the prescriptive requirements(Sections 5.5,6.5,7.5 and 9.5)or performance requirements(Section 11)of ASHRAE/IESNA Standard 90.1-2004(without amendments).,LEED-NC lighting Credits,EA Credit
25、1:Optimize Energy PerformanceIntentAchieve increasing levels of energy performance above the baseline in the prerequisite standard to reduce environmental and economic impacts associated with excessive energy use.RequirementsSelect one of the three compliance path options described below.Project tea
26、ms documenting achievement using any of the three options are assumed to be in compliance with EA Prerequisite 2.,LEED-NC lighting Credits,EQ Credit 6.1:Controllability of Systems:LightingIntentProvide a high level of lighting system control by individual occupants or by specific groups in multi-occ
27、upant spaces(i.e.classrooms or conference areas)to promote the productivity,comfort and well-being of building occupants.RequirementsProvide individual lighting controls for 90%(minimum)of the building occupants to enable adjustments to suit individual task needs and preferences.ANDProvide lighting
28、system controllability for all shared multi-occupant spaces to enable lighting adjustment that meets group needs and preferences.,LEED-NC lighting Credits,LEED-CI Project,Shui On Headquarter Office Renovation,Status of LEED CI,LEED for Shui On Headquarter Office Renovation,Assessment Area:,Offices R
29、enovation LEED Commercial Interiors,Offices,Target:,Achieve LEED-CI Certificate within 2%of total construction cost.,Analysis Summary(LEED CI),2.1Sustainable Sites,2.1Sustainable Sites,Public Transportation,Preferred Parking,Development Density and Community Connectivity,Analysis Summary(LEED CI),2.
30、2Water Efficiency,Low-flush Urinal with Sensor Control,Dual-flush Toilet,Low-flow Faucetwith Sensor Control,2.2Water Efficiency,Calculation Table,Analysis Summary(LEED CI),2.3Energy&Atmosphere,2.3Energy&Atmosphere,Strategies Adopted for Energy Saving,Occupancy SensorFor Light and AC control,Lower Li
31、ghting Power Density Design,Strategies Adopted for Energy Saving,2.3Energy&Atmosphere,Programmable ControllerFor Light and AC control,Delighting Effect in Overcast Day,Task Light for Individual Control,Analysis Summary(LEED CI),2.4Materials&Resources,Storage for Recyclable,Construction Waste For Rec
32、ycle,Construction Waste For Recycle,Strategies Adopted for Material and Resource,Analysis Summary(LEED CI),2.5Indoor Environmental Quality,Strategies Adopted for Indoor Environment Quality,Dedicated Space for Paint,Air Duct Protection,Dust Control,Dedicated Ventilation,Material Protection,Site Enclo
33、sed for Safety and Cleanness,Analysis Summary(LEED CI),2.6Innovation in Design,LEED-CI lighting Credits,EA Pr1:Fundamental CommissioningIntentVerify that the projects energy-related systems are installed,calibrated and perform as intended.Commissioned Systems:The energy-related systems to be include
34、d in the commissioning process activities include as a minimum:Heating,ventilating,air conditioning and refrigeration(HVAC&R)systems(mechanical and passive)and associated controls Lighting controls,including day lighting Domestic hot water systems Renewable energy systems(PV,wind,solar,etc.).,EA Pr
35、2:Minimum Energy PerformanceIntentEstablish the minimum level of energy efficiency for the tenant space systems.RequirementsDesign portions of the building as covered by the tenants scope of work to comply with ASHRAE/IESNAStandard 90.1-2004 or the local energy code,whichever is more stringent.,LEED
36、-CI lighting Credits,EA CR 1.1 Optimize Energy Performance,Lighting PowerIntentAchieve increasing levels of energy conservation beyond the referenced standard to reduce environmentalimpacts associated with excessive energy use.RequirementsReduce connected lighting power density below that allowed by
37、 ASHRAE/IESNA Standard 90.1-2004*using either the Space-by-Space Method or by applying the whole building lighting power allowance to theentire tenant space.Option A.Reduce lighting power density to 15%below the standard(1 point)(25%,2 points;35%,3 points),LEED-CI lighting Credits,EA Cr 2:Optimize E
38、nergy Performance,Lighting ControlsIntentAchieve increasing levels of energy conservation beyond the prerequisite standard to reduce environmental impacts associated with excessive energy use.RequirementsInstall daylight responsive controls in all regularly occupied spaces within 15 feet of windows
39、and under skylights.,LEED-CI lighting Credits,EQ 6.1:Controllability of Systems,LightingIntentProvide a high level of lighting system control for individual occupants,and specific groups in multioccupant spaces(e.g.,classrooms and conference areas),to promote the productivity,comfort and wellbeing o
40、f building occupants.RequirementsProvide lighting controls for:At least 90%of occupants,enabling adjustments to suit individual task needs and preferences,ANDAll shared multi-occupant spaces where transient groups must share lighting controls.,LEED-CI lighting Credits,Inform Design,Documentation,LEED RFP,Concept Design,SD,DD,CD,Construction,Operations,LEED Coordination&workshop,Building Commissioning,Finish Energy Model,Submit Binder,CERTIFICATION,USGBC Audit,REGISTRATION,LEED Assessment Timeline,Discussion,
