INTRODUCTION TO LEED

INTRODUCTION TO LEED Land Use Commission 15 June 2009 The Jordan Institute Building Climate Change Solutions The Jordan Institute Our LEED projects include: •Society for the Protection of NH Forests French Wing: LEED Gold •Portsmouth Public Library: LEED Silver •AVA Gallery & Art Center, Lebanon NH •NH Audubon headquarters, Concord NH •850 Winter Street, Waltham MA •White Mountain National Forest Administrative Complex, Campton NH •~15 residences and multi-family projects •Nubanusit Neighborhood & Farm, Peterborough NH •Fairbanks Natural History Museum, St. Johnsbury VT The Jordan Institute Ed Mazria, www.architecture2030.org The Jordan Institute Society for the Protection of New Hampshire Forests Concord, NH LEED Gold •Healthy & comfortable for occupants •Cost-effective (durable, long-lasting, efficient) •An efficient user of environmental resources •Built with sensitivity to the site and surroundings The Jordan Institute LEED Overview Leadership in Energy and Environmental Design The Jordan Institute What is LEEDS? A city on the River Aire in West Yorkshire, England The Jordan Institute USGBC is a community of leaders working to transform the way buildings and communities are designed, built, and operated. We envision an environmentally responsible, healthy, and prosperous environment. What is the LEED System? LEADERSHIP in ENERGY and ENVIRONMENTAL DESIGN A leading-edge system for certifying DESIGN, CONSTRUCTION, & OPERATIONS of the greenest buildings in the world Scores are tallied for different aspects of efficiency and design in appropriate categories. For instance, LEED assesses in detail: 1. Site Planning 2. Water Management 3. Energy Management 4. Material Use 5. Indoor Environmental Air Quality 6. Innovation & Design Process Levels of LEED Ratings The Jordan Institute Green Buildings worldwide are certified with a voluntary, consensus-based rating system. USGBC has four levels of LEED. Estimated value of new LEED for New Construction registered projects $200 BILLION PROJECTED $10 BILLION The value of U.S. construction starts significantly declined by almost half from 2000 to 2003 $7.73 BILLION $5.76 BILLION $3.81 BILLION $3.24 BILLION $792 MILLION 2000 2001 2002 2003 2004 2006 The Jordan Institute LEED-NC LEED-EB LEED-CI LEED-CS new construction existing buildings commercial interiors core & shell Commercial Buildings LEED for HOMES LEED-ND LEED neighborhood development Residential Mixed-Use Developments application guides Categories (NC, CI, CS, EB) Sustainable Sites Water Efficiency Energy & Atmosphere Materials & Resources Indoor Environmental Quality Innovation & Design Process The Jordan Institute CATEGORIES OF LEED The Jordan Institute Sustainable Sites ~1.7 million acres developed each year Sustainable Sites 14 points possible The Jordan Institute Prerequisite: Construction Activity Pollution Prevention 1. Site Selection 2. Development Density & Community Connectivity 3. Brownfield Redevelopment 4. Alternative Transportation 5. Reduced Site Disturbance 6. Stormwater Management 7. Heat island Effect 8. Light Pollution Reduction The Jordan Institute SS Prerequisite 1 Construction Activity Pollution Prevention Intent: Reduce Pollution from construction activities by controlling soil erosion, waterway sedimentation and airborne dust generation. Erosion and Sedimentation Control Plan meeting 2003 EPA General Construction Permit The Jordan Institute SS # 1 Site Selection Intent: Avoid development of inappropriate sites and reduce the environmental impact from the location of a building on a site. Prime Farmland Lower than 5’ above 100 year flood Threatened or Endangered Species Previously undeveloped within 50’ of water body Former parkland 100’ from wetlands The Jordan Institute SS # 2 Development Density and Community Connectivity Intent: Channel development to urban areas with existing infrastructure, protect greenfields and preserve habitat and natural resources. Option 1: Development Density 60,000 sf / acre (2 story downtown) Option 2: Community Connectivity Within ½ mile of residential zone with 10 units per acre and within ½ mile of 10 basic services The Jordan Institute SS # 3 Brownfield Redevelopment Intent: Rehabilitate damaged sites where development is complicated by environmental contamination, reducing pressure on undeveloped land. The Jordan Institute ASTM E1903-97 Phase II Environmental Site Assessment OR local Voluntary Cleanup Program OR defined by local, state or federal The Jordan Institute SS #4.1 Alternative Transportation: Public Transportation Intent: Reduce Pollution and land development impacts from automobile use. The Jordan Institute Option 1: within ½ mile of commuter rail, light rail, subway station (UNH) Option 2: within ¼ mile one or more stops for two or more public or campus bus lines (AVA) The Jordan Institute SS #4.2 Alternative Transportation: Bicycle Storage and Changing Rooms Intent: Reduce Pollution and land development impacts from automobile use. Commercial & Institutional: Bike racks within 200’ for 5% of occupants AND showers for 0.5% of FTE Residential: Covered bicycle storage for 15% of occupants The Jordan Institute SS #4.3 Alternative Transportation: Low emitting and fuel-efficient Vehicles Intent: Reduce Pollution and land development impacts from automobile use. Option 1: Low emitting vehicles for 3% of staff AND Preferred parking Option 2: Preferred parking for LEV for 5% of total parking capacity Option 3: Install alternative fuel refueling stations for 3% of total parking capacity The Jordan Institute SS #4.4 Alternative Transportation: Parking Capacity Intent: Reduce Pollution and land development impacts from automobile use. The Jordan Institute Option 1 - Non-Residential: Don’t exceed zoning req. AND preferred parking for carpools for 5% of total parking Option 2 – Non-Residential: (where less than 5% of FTE have parking) provide preferred parking for carpools for 5% of total parking Option 3 – Residential: Don’t exceed zoning req. AND facilitate shared vehicle usage such as: carpool dropoff, vanpool parking, car sharing, ride boards, shuttle services Option 4: Provide no new parking The Jordan Institute SS # 5.1 Reduce Site Disturbance: Protect or Restore Habitat Intent: Conserve existing natural areas and restore damaged areas to provide habitat and promote bio-diversity. The Jordan Institute Previously Developed: Restore min of 50% of site with native or adapted vegetation Greenfield Sites: 40’ from building perimeter 10’ from walkways, parking, utilities less than 12” diameter 15’ beyond roadway curbs, main utility trenches 25’ beyond constructed permeable surfaces The Jordan Institute SS # 5.2 Reduce Site Disturbance: Maximize Open Space Intent: Provide a high ratio of open space to development footprint to promote biodiversity. Option 1: Exceed local zoning open space req. by 25% (SPNHF / ASNH) Option 2: For areas with no local zoning provide adjacent open space = to building footprint (Ports.) Option 3: Where zoning exists but no open space req. provide open space = to 20% of site (SLG) The Jordan Institute SS # 6.1 Stormwater Design: Quantity Control 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%: Postdevelopment Rate and Qty. not to exceed Predevelopment for one- and two-year 24 hr storm OR protect receiving streams from excessive erosion. Case #2 – Imperviousness > 50%: Decrease stormwater runoff volume by 25% from existing (2 yr storm) The Jordan Institute SS # 6.2 Stormwater Design: Quality Control Intent: Limit disruption and pollution of natural water flows by managing stormwater runoff. For 90% of stormwater: Use BMP to remove 80% of TSS Stormwater Infiltration The Jordan Institute SS # 7.1 Heat Island Effect: Non-roof Intent: Reduce heat islands (thermal gradient differences between developed and undeveloped areas) to minimize impact on microclimate and human wildlife habitat. Option 1: Shade (with 5 years) / Reflective paving (SRI 29 min) / Open-grid paving for 50% of hardscape The Jordan Institute Option 2: Minimum of 50% of parking under cover (roof must meet SRI 29 min) The Jordan Institute SS # 7.2 Heat Island Effect: Roof Intent: Reduce heat islands (thermal gradient differences between developed and undeveloped areas) to minimize impact on microclimate and human wildlife habitat. Option 2: Vegetated for 50% min. Photo courtesy of Stephen Blatt Architects Option 1: Solar reflectance Index (SRI) of 78 for flat roofs / 29 for pitched roofs for min. of 75% of roof area. Option 3 = combination of Option 1 and 2 The Jordan Institute SS # 8 Light Pollution Reduction 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 Lighting Option 1 Option 2 The Jordan Institute Exterior Lighting Do not exceed (ASHRAE / IESNA 90.1-2004) •80% of lighting power density for outside lights •50% for building facades and landscaping Classify Project in a IESNA RP-33 zone: LZ1 = Park and Rural LZ2 = Residential LZ3 = Comm / Ind / Res LZ4 = Major City Center The Jordan Institute Non cut-off Full cut-off Paul Leveille, Assoc AIA; LEED AP High Performance Building Coordinator The Jordan Institute 226-1009 X 205 pleveille@thejordaninstitute.org WATER EFFICIENCY 25% of all potable water The Jordan Institute The Jordan Institute Why pursue LEED certification? •Firm guidelines for achieving design goals •Establishes accountability •National benchmark •Client demand •Municipal regulations