introduction to leed
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SS # 4 .1 Alterna tive Tra nsporta tion:SS # 4 .1 Alternative Tra nsporta tion:Public Tra nsporta tionPublic Tra nsporta tion
Intent: Intent:
Reduce Pollution and land development impacts from
automobile use.
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Option 1: within mile ofcommuter rail, light rail,subway station (UNH)
Option 2: within mile one ormore stops for two or morepublic or campus bus lines(AVA)
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SS # 4 .2 Alterna tive Tra nsporta tion:SS # 4 .2 Alterna tive Tra nsporta tion:Bicycle Storage and Changing RoomsBicycle Storage and Changing Rooms
Intent: Intent:
Reduce Pollution and land development impacts from automobile use.
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Commercial & Institutional:Bike racks within 200 for 5% ofoccupants AND showers for0.5% of FTE
Residential:Covered bicyclestorage for 15%of occupants
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SS # 4 .3 Alterna tive Tra nsporta tion:SS # 4 .3 Alternative Tra nsporta tion:Low emitting and fuelLow emitting and fuel--ef f icient Vehiclesef f icient Vehicles
Intent: Intent: Reduce Pollution and land development impacts from automobile use.
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Option 1: Low emittingvehicles for 3% of staff ANDPreferred parking
Option 3: Install alternativefuel refueling stations for 3% oftotal parking capacity
Option 2: Preferred parkingfor LEV for 5% of total parkingcapacity
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SS # 4 .4 Alterna tive Tra nsporta tion:SS # 4 .4 Alternative Tra nsporta tion:Parking Cap acityParking Cap acity
Intent: Intent:
Reduce Pollution and land development impacts from automobile use.
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Option 1 - Non-Residential:Dont exceed zoning req. ANDpreferred parking for carpools for5% of total parking
Option 3 Residential:Dont exceed zoning req.AND facilitate shared vehicleusage such as: carpool drop-off, vanpool parking, carsharing, ride boards, shuttleservices
Option 2 Non-Residential:(where less than 5% of FTE haveparking) provide preferred parking forcarpools for 5% of total parking
Option 4: Provideno new parking
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SS # 5 .1 Red uce Site Disturbance:SS # 5 .1 Red uce Site Disturbance:
Protect or Restore HabitatProtect or Restore Habitat
Intent: Intent:
Conserve existing natural areas and restore damaged areas to provide habitat and promote bio-diversity.
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40 from building perimeter
10 from walkways, parking, utilities lessthan 12 diameter
15 beyond roadway curbs, main utilitytrenches
25 beyond constructed permeablesurfaces
Previously Developed:Restore min of 50% of sitewith native or adaptedvegetation
Greenfield Sites:
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SS # 5 .2 Red uce Site Disturbance:SS # 5 .2 Red uce Site Disturbance:
Maximize O pen SpaceMaximize O pen Space
Intent: Intent:
Provide a high ratio of open space to development footprint to promote biodiversity.
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Option 1: Exceed localzoning open space req.by 25% (SPNHF / ASNH)
Option 3: Where zoningexists but no open space req.provide open space = to 20%of site (SLG)
Option 2: For areas with
no local zoning provideadjacent open space = tobuilding footprint (Ports.)
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SS # 6 .1SS # 6 .1 StormwaterStormwaterDesign:Design:
Q uantity ControlQ uantity Control
Intent: Intent: Limit disruption of natural water hydrology by reducing impervious cover , increasing on-site infiltration,reducing or eliminating pollution from stormwater runoff, and eliminating contaminants.
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Case #1 - Imperviousness < 50%: Post-development Rate and Qty. not to exceed Pre-development for one- and two-year 24 hr stormOR protect receiving streams from excessiveerosion.
Case #2 Imperviousness > 50%:Decrease stormwater
runoff volume by 25%from existing(2 yr storm)
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SS # 6 .2SS # 6 .2 StormwaterStormwaterDesign:Design:
Quality ControlQuality Control
Intent: Intent:
Limit disruption and pollution of natural water flows by managing stormwater runoff.
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For 90% of stormwater: Use BMP to remove 80% of TSS
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StormwaterInfiltration
SS # 7 .1 Heat Island Ef fect:SS # 7 .1 Heat Island Ef fect:NonNon--roofroof
Intent: Intent: Reduce heat islands (thermal gradient differences between developed and undeveloped areas) to minimize impact on microclimate and human wildlife habitat.
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Option 1: Shade (with 5 years) / Reflectivepaving (SRI 29 min) / Open-grid paving for
50% of hardscape
Option 2: Minimum of 50% of parking undercover (roof must meet SRI 29 min)
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SS # 7 .2 Heat Island Ef fect:SS # 7 .2 Heat Island Ef fect:
RoofRoof
Intent: Intent: Reduce heat islands (thermal gradient differences between developed and undeveloped areas) to minimize impact on microclimate and human wildlife habitat.
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Option 1: Solar reflectance Index(SRI) of 78 for flat roofs / 29 forpitched roofs for min. of 75% of roofarea.
Option 2: Vegetated for 50% min.
Option 3 = combinationof Option 1 and 2
Photo courtesy of Stephen Blatt Architects
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SS # 8 Light Pollution Red uctionSS # 8 Light Pollution Red uction
Intent: Intent: Minimize 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.
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Interior LightingOption 1
Option 2
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Do not exceed (ASHRAE / IESNA 90.1-2004)
80% of lighting power density for outside lights50% for building facades and landscaping
Exterior Lighting
Classify Project in aIESNA RP-33 zone:
LZ1 = Park and RuralLZ2 = ResidentialLZ3 = Comm / Ind / ResLZ4 = Major City Center
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Non cut-off
Full cut-off
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Paul Leveille, Assoc AIA; LEED APHigh Performance Building Coordinator
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226-1009 X 205
WATER EFFICIENCYWATER EFFICIENCY
25% of all potable water25% of all potable water
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Why pursue LEED certification?
Firm guidelines for achievingdesign goals
Esta b lishes accountability
National benchmark
Client d emand
Municipal regulations
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