Case Study

Vital Stats Location: Snoqualmie Star Level: 3-Star Checklist: Single Family/Townhome Section Points Site and Water 43 Energy Efficiency 33 Indoor Air Quality 38 Material Efficiency 54 Multiplier 1.15 Total Score 193.2

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Habitat for Humanity
Snoqualimie, WA

Habitat for Humanity East King County is an affiliate of Habitat for Humanity International, an international leader in providing affordable housing to low-income families. Habitat East King County, along with other Washington affiliates have committed to incorporating green building strategies into all of the housing they provide. Their Snoqualmie project included 11 homes that certified at the 3-Star level. Each of the homes includes drought tolerant landscaping, Energy Star appliances, and extensive jobsite waste recycling among many other green building features. We are honored, for the second month in a row, to be able to showcase another Built Green Certified affordable housing project. This again demonstrates that green building concepts can easily be integrated into affordable housing projects, and we waive certification fees for non-profit affordable housing developers to put an exclamation mark on that point.

Site and Water Protection

• Built on infill lots
• Use of infiltration system to recharge groundwater
• Minimization of pavement in street design
• Use of non-toxic outdoor materials for landscaping
• Landscaping with drought tolerant plants
• Installed low flow kitchen and bathroom faucets
• Front porch provided on all units
• Volunteer based building process integrated with eventual owners creates sense of strong community

Energy Efficiency

• Use of Energy Star appliances throughout homes
• Used insulated headers in framing to reduce thermal bridging
• Programmable thermostats in all homes
• Installation of Energy Star certified heating equipment
• 50% of all lighting in homes is compact fluorescent

Indoor Air Quality

• Cleaned and flushed ductwork before resident move-in
• Installed pre-finished flooring throughout homes
• Used urea-formaldehyde free insulation
• Installed drainage plane in wall system between weather barrier and cladding
• Garages sealed from homes and separately ventilated

Material Use

• Achieved 50% construction waste recycling rate
• Used source separated recycling for cardboard, metal, wood and drywall
• Used detailed cut list and central cutting area to reduce framing waste
• Installed locally manufactured materials
• Open floor plan reduced interior walls in homes
• Installed a recycled content 50 year siding product
• Installed metal roofs on all homes
• Used 100% recycled content decking materials

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