This set of specifications has been on my desk and in draft form for a long time. My interest and involvement in affordable housing convinced me that such specification might help in the building and maintenance of such projects. The draft became a reality as a result of my work with Intercommunity Mercy Housing. It is re-printed here with their permission.
These specifications were selected on the basis of relatively low purchase and installation and low maintenance costs as well as some special considerations important to affordable housing, for example, relatively hight occupancy rates in relatively small units.
This list emphasizes products, materials and construction techniques that are of special importance to these projects. This list is not intended as a complete set of specifications. It does not supplant code and other requirements. It should also be assumed that each project requires some additional specifications.
Some of these specifications are based upon the Washington State “Green Construction Standards” (Evergreen Sustainable Development Criteria - ESDC). These guidelines maybe important to some projects for funding purposes but most of these guidelines are also important in terms of the goals for affordable housing: quality of housing and affordability.
Ongoing help is needed in order to expand and refine this list. Your input is encouraged; please send us your suggestions and comments - info@soundhome.com
System |
Product |
Adhesives and Sealants |
Use Low/No VOC Adhesives |
Air Sealing |
See: ESDC 5-2 (Mandatory) Performance Tested Building |
Aluminum 110 Volt Wiring |
Replace with copper wire or |
Appliances |
Use Energy Star appliances. |
Arc Fault Interrupters |
Protect bedroom circuits |
Bathroom fans |
Use .3 soan fans that operate 24/7. Fans must be ducted to |
Composite Wood |
Use formaldehyde free products. See: ESDC 7-3 (Optional |
Construction Waste Management |
See: ESDC 6.1 (Optional – up to 5 points) |
Crawl Space Access Upgrades |
Repair and maintenance staff must easily access the crawl A fixed ladder should be installed at the opening in crawl |
Crawl Space Pest Management |
Seal all potential rodent entry points. Screen all vents |
Crawl Space Venting |
Provide for crawl space venting at a minimum 1 sq. |
Deck construction |
See attached and section bellow regarding use of recycled |
Decks over entry-ways or lower decks |
Waterproof decking (see attached details) |
Doors – Interior |
Use solid-core or more impact resistant units when In order to promote indoor air circulation, allow for a 1” |
Doors - Exterior |
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Drainage systems/Surface Water Management – |
Use on-site and other “green” methods to manage drainage, |
Drywall in areas of past or potential moisture/mold damage |
Use paperless drywall and/or smooth durable, cleanable |
Electrical Panels |
Replace any Zinsco or Federal Pacific Panels with |
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Erosion and Sediment Control |
Implement EPA Best Management Practices. See: ESDC 3-2 |
Exterior Door Sills |
Use metal sill pans at exposed locations |
Exterior Siding |
Fiber-cement lap siding |
Exterior Siding Paint and Repair – Existing Wood |
Prior to repainting existing wood siding and trim it must |
Flashing – exterior |
Use appropriate metal flashing per standard specifications |
Floor Insulation (Over Crawl Spaces) |
Seal to prevent air leakage from crawl spaces. Insulate to |
Floor Coverings |
Don’t install carpet in basements, entryways laundry Use “Green Labe Certified Floor Coverings”. See: ESDC 7-4 Use healthy flooring materials (non-carpet, non-vinyl) |
Ground Fault Interrupters (GFI/GFCI) |
Protect all circuits in wet areas with GFCI’s (e.g. |
Kitchen Hoods/Exhaust Fans |
Install Energy Star low soan ducted hoods in all kitchens. |
Landscaping |
Use native plants and reduce lawn areas as appropriate Maintain a minimum separation of 2’ between vegetation and (See notes re. Drainage) |
Lead-Safe Work Practices |
Follow Lead-Safe work practices in all properties built |
Lighting - Interior |
Install Energy Star-labeled or Energy Star Advanced |
Lighting – Exterior |
Use Energy Star commercial grade fixtures in all outdoor |
New Resident Orientation |
See: ESDC 8-3 (Mandatory) |
Occupant’s Manual |
See: ESDC 8-2 (Mandatory) |
Outdoor Air Inlets |
Provide for outdoor air supply in window frames or by |
Owners Manual |
See: ESDC 8-1 (Mandatory) |
Paint |
Use Low/No VOC Paints and Primers ESDC 7-11 |
Passive Solar Heating and Cooling |
Maximize passive heating and cooling with window placement |
Recycled Content Material |
See: ESDC 6-2 (Optional 2-14 points – less potential |
Roofing |
30 year composition roofing installed with a 10+ year |
Roofing Maintenance |
See: http://www.soundhome.com/article/sound-roof#section-594 |
Roof Overhangs/Eaves |
Where feasible, protect sidewalls and improve drainge with |
Salvaged and Engineered Wood |
Use Certified Salvaged and Engineered Wood. See: ESDC 6-3 |
Tubs and Tub Walls |
Cast-iron tubs with single piece plastic-laminate tub |
Water-Conserving Appliances and Fixtures |
Toilets – 1.6 GPF or less Showerheads – 2.0 GPM or less Kitchen Faucets – 2.0 GPM or less Bathroom Faucets – 1.5 GPM or less ESDC 4-1 (Mandatory) See: ESDC 4-2 for optional standards – 2 points per |
Water Heaters |
All new water heaters must meet the following standards: <60 Gallons - .91 >60 Gallons - .92 See: ESDC 5-11 (Mandatory) |
Water Permeable Walkways and Parking Areas |
See: ESDC 6-4 and 6-5 (optional 5 and 10 points) |
Water Pipe Insulation |
Insulate water pipes in all accessible locations. |
Window Installation |
Peel and stick flashing |
Windows – New |
Must meet U-0.30. See: ESDC Appendix B (Mandatory). See: Passive Solar Heating and Cooling |