Introduction to Leed

8/8/2019 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.

The Jordan Institute

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.


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.


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.


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.


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.


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.


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.


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.


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.


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


Non cut-off

Full cut-off



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Paul Leveille, Assoc AIA; LEED APHigh Performance Building Coordinator


226-1009 X 205

[email protected]

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


Documents

Introduction to Leed