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Leadership in Energy and Environmental Design v2.0. Lecture 9. LEED™ Green Building Rating System. US Green Building Council Leadership in Energy and Environmental Design (LEED)™ US national “green” building certification Consensus-driven & broad representation

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leed green building rating system
LEED™ Green Building Rating System
  • US Green Building Council
  • Leadership in Energy and Environmental Design (LEED)™
  • US national “green” building certification
  • Consensus-driven & broad representation
  • Commercial, Interiors, Residential
why green rating systems
Why “green” rating systems ?
  • Definition, guidance, validation
  • Leading edge in design & construction
  • Marketing advantage for all parties
  • $ savings (energy, water, maintenance, wastes, productivity)
  • Human & environmental health
  • Risk reduction global & local
  • Increased value of construction
green building assessments
Green Building Assessments
  • Commercial and residential
  • BREEAM
  • BEPAC
  • Austin Green Builder Program
  • Green Building Challenge 2000
  • Florida Green Building Coalition
united states green building council
United States Green Building Council

The LEED Green Building Rating SystemTM is a voluntary, consensus-based, market-driven building rating system based on existing proven technology. It evaluates environmental performance from a whole building perspective over a building’s life cycle, providing a definitive standard for what constitutes a “green building”

leed components
LEED Components
  • Prerequisites
  • Flexible credit system
  • Existing “best practice” codes
  • Four levels of effort / rating
  • Performance-based
leed green building rating system version 2 0
LEEDGreen Building Rating SystemVersion 2.0

Sections of the Program

Sustainable Sites – 14 Points

Water Efficiency – 5 Points

Energy & Atmosphere – 17 Points

Materials & Resources – 13 Points

Indoor Environmental Quality – 15 Points

TOTAL CORE LEED POINTS – 64 Points

sustainable sites 14 points possible section breakdown
Sustainable Sites ( 14 Points Possible)Section Breakdown

Prerequisite 1: Erosion & Sedimentation Control

Credit 1: Site Selection ( 1 Point )

Credit 2: Urban Redevelopment ( 1 Point )

Credit 3: Brownfield Redevelopment ( 1 Point )

Credit 4: Alternative Transportation ( 4 Points )

Credit 5: Reduced Site Disturbance ( 2 Points )

Credit 6: Stormwater Management ( 2 Points )

Credit 7: Landscape & Exterior Design to reduce Heat Islands ( 2 Points )

Credit 8: Light Pollution Reduction ( 1 Point )

water efficiency 5 points possible section breakdown
Water Efficiency ( 5 Points Possible )Section Breakdown

Credit 1: Water Efficient Landscaping ( 2 Points )

Credit 2: Innovative Wastewater Technologies ( 1 Point )

Credit 3: Water Use Reduction ( 2 Points )

energy atmosphere 17 points possible section breakdown
Energy & Atmosphere ( 17 Points Possible )Section Breakdown

Prerequisite 1: Building Commissioning

Prerequisite 2: Minimum Energy Performance

Prerequisite 3: CFC Reduction in HVAC&R Equipment

Credit 1: Optimize Energy Performance ( 10 Points )

Credit 2: Renewable Energy ( 3 Points )

Credit 3: Additional Commissioning ( 1 Point )

Credit 4: Elimination of HCFC’c and Halons ( 1 Point )

Credit 5: Measurement and Verification ( 1 Point )

Credit 6: Green Power ( 1 Point )

materials resources 13 points possible section breakdown
Materials & Resources (13 Points Possible)Section Breakdown

Prerequisite 1: Storage and Collection of Recyclables

Credit 1: Building Reuse ( 3 Points )

Credit 2: Construction Waste Management ( 2 Points )

Credit 3: Resource Reuse ( 2 Points )

Credit 4: Recycled Content ( 2 Points )

Credit 5: Local/Regional Materials ( 2 Points )

Credit 6: Rapidly Renewable Materials ( 1 Point )

Credit 7: Certified Wood ( 1 Point )

indoor environmental quality 15 points possible section breakdown
Indoor Environmental Quality15 Points PossibleSection Breakdown

Prerequisite 1: Minimum IAQ Performance

Prerequisite 2: Environmental Tobacco Smoke (ETS)Control

Credit 1: Carbon Dioxide (CO2)Monitoring ( 1 Point )

Credit 2: Increased Ventilation Effectiveness ( 1 Point )

Credit 3: Construction IAQ Management Plan ( 2 Points )

Credit 4: Low-Emitting Materials ( 4 Points )

Credit 5: Indoor Chemical & Pollutant Source Control (1 Point)

Credit 6: Controllability of Systems ( 2 Points )

Credit 7: Thermal Comfort ( 2 Points )

Credit 8: Daylight & Views ( 2 Points )

leed rating system section summary
LEED Rating SystemSection Summary

Sustainable Sites – 14 Points

Water Efficiency – 5 Points

Energy & Atmosphere – 17 Points

Materials & Resources – 13 Points

Indoor Environmental Quality – 15 Points

CORE LEED POINTS 64 Points

Innovation Credits – 4 Points

LEED Accredited Professional – 1 Point

TOTAL LEED POINTS 69 Points

sustainable sites 7 points
Sustainable Sites (7 Points)
  • Landscaping for Erosion Control (1)
    • On-site biofiltration
  • Reduce Heat Islands (2)
    • Landscape trees, light colored surfaces
  • Efficient Building Location (1)
    • 2 bus routes within ¼ mile
  • Alternative Transportation (2)
    • Showers, bicycle parking, preferred parking
  • Alternative Fueling (1)
    • Electric vehicle fueling station
energy and atmosphere 2 points
Energy and Atmosphere (2 Points)
  • Building Commissioning
    • Design intent, TAB
  • Energy Efficiency
  • Meet ASHRAE 90.1 - 1989
  • Energy Efficiency (1)
    • ASHRAE 90.1 – 1989, insulation, glazing, HVAC
  • Waste Heat Recovery (1)
    • Heat exchangers pre-heat water
materials and resources 3 points
Materials and Resources (3 Points)
  • Elimination of CFCs and Halons
    • Renovations only
  • Storage and Collection of Recyclables
    • Separate room for recycling collection
  • Recycled Content Building Materials (1)
    • Steel structure, carpet, lockers, partitions, running track
  • Construction Waste Management (1)
    • Metals, concrete, cardboard, cans/bottles
  • Occupant Waste Recycling (1)
    • Base-wide recycling program
indoor environmental quality 6 points
Indoor Environmental Quality (6 Points)
  • Elimination of Asbestos
  • Indoor Air Quality/Ventilation
  • Smoking Ban
  • ASHRAE 55-1992
  • Construction IAQ Plan (2)
    • Protect and change media in ducts / phasing
  • Low VOC Materials (2)
    • Paints, sealants, adhesives
  • Chemical Storage Areas (1)
    • Floor drain, negative pressure, separate exhaust
  • Architectural Entryways (1)
    • Floor grille at entryway
safeguarding water 3 points
Safeguarding Water (3 Points)
  • Water Conservation
  • Lead in Water
  • Water Recovery (1)
    • Rainwater harvesting system
  • Water-efficient Landscaping (1)
    • Native landscape, no irrigation
  • Surface Runoff Filtration (1)
    • Natural stormwater retention areas
  • Improving the Design Process (1)
    • LEED Certified Designer
  • Total 22 credits – Bronze Rating
pnc firstside center

Size: 650,000/sq ft

Budget: $157/sq ft

Function: Multiple

Date Completed: 2000

Location: Pittsburgh

PNC Firstside Center
pnc firstside center highlights

RECOGNITION

    • LEED v.2.0 Certified (1st in nation) , Silver
    • AIA/COTE 2001 Top Ten Green Projects
    • Northeast Sustainable Buildings Awards, 1st place
    • Project of the Year 2001, Engineers Society of Western Pennsylvania
    • OSHA STAR for outstanding safety
  • PROJECT TEAM
    • PNC Realty Services
    • L.D. Astorino and Associates, Ltd.
    • Astorino Branch Engineering
    • Dick Corporation
PNC Firstside CenterHighlights
pnc firstside center highlights1

Sustainable Sites

  • Urban infill site located near a link for the Eliza Furnace Trail for cyclists, joggers, and others
  • Showers available for employees
  • Located adjacent to public transit
  • Light rail system stop being built next door (2001)
  • Site selection minimizes additional truck traffic in the main downtown Pittsburgh corridor
PNC Firstside CenterHighlights
pnc firstside center highlights2

Energy and Atmosphere

  • Raised floors make workspace flexible
  • Energy modeling used to select insulation, window glazing, shading
  • Commissioning and ongoing post-occupancy monitoring
  • 11-foot window used walls to reduce energy costs
  • Natural gas HVAC system
PNC Firstside CenterHighlights
pnc firstside center highlights3

Indoor Environmental Quality

  • Daylit interior, with 90%of occupants enjoying an outdoor view
  • Open office plan, increases interaction and communication
  • Air flow can be adjusted at most work stations
  • 100% circulation of outside fresh air to provide ventilation
  • 24-hour, full-service cafeteria with picturesque outdoor/riverfront dining area
PNC Firstside CenterHighlights
pnc firstside center highlights4

Materials and Resources

  • Carpet is made of 72% recycled material
  • Recyclable materials
  • 100% recycled materials for hard floor surfaces (made from sawdust and soda bottles)
  • Process
  • Integrated design team
PNC Firstside CenterHighlights