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Welcome to
New Columbia
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The Housing Authority of Portland is proud to showcase the extensive healthy, resource-wise housing and site design at New Columbia in our Green Building at New Columbia report. Use the links below to learn why New Columbia is shaping up to be what some call "the ultimate green streets development."
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Why we build sustainably
Green building is a holistic approach to managing the life-cycle impact of buildings on the environment and our health. The extensive green building practices employed at New Columbia demonstrate what can be accomplished with a coordinated, big-picture approach.
Powered by the sun
The Energy Trust of Oregon has provided solar water and heating equipment for two townhouses and will collect data for future projects. |
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Read more about New Columbia's innovations, including:
• How New Columbia exemplifies Location Efficient Design (LED)
• A 'skinny street' at New Columbia to reduce runoff and calm traffic
• Mixed-use buildings on Main Street with U.S. Green Building Council's
LEED certification, including plumbing systems that outperform Oregon's
water code and landscaping designed
to reduce heat islands |
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A sustainable stormwater system that protects local waterways
• With a permeable paving demonstration area, soakage trenches,
101 vegetated pocket swales for biofiltration, 31 flow-through planter-boxes
and 40 infiltration dry wells, New Columbia is Portland's largest green
streets site
• 80% less underground stormwater piping than a comparable traditional
development; 98% of stormwater is retained on the site
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The best building and landscaping materials
• Carpeting is 100% nylon and free of VOCs (Volatile Organic Compounds)
• More than 35,000 board feet of certified sustainable lumber from Warm
Springs Forest Products in Warm Springs, Ore.
• Locally-manufactured products: All windows, millwork and metal products
were made in Western Oregon and Washington
• Native trees and shrubs in parks and open spaces
• Plumbing fixtures that outperform the state's conservation requirements by
at least 20% |
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Recycling and reuse widespread at New Columbia
• Demolition contractors salvaged and recycled an amazing 82% of the
building materials on site, diverting more than 28,000 tons from landfills
• 3,200 tons of wood debris were ground into chips for reuse
• Salvaged materials from Columbia Villa have been reused worldwide
• All concrete and asphalt rubble from demolition was ground up and
reused on the site as road base and structural fill for building foundations |
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Historic trees preserved throughout New Columbia
Many of the mature, broad-canopy trees at Columbia Villa were planted over 60 years ago. Portland's zoning code requires that 35% of existing trees be preserved when a site is redeveloped – at New Columbia, more than half of the existing 430 trees were saved, many with trunk diameters of over 4 feet. Mature trees make good neighbors – they reduce ground and air temperatures, provide shade, improve air quality, reduce stormwater run-off and provide protection from wind. |
The eco-friendly accomplishments at New Columbia could not have been possible without the support of the following sustainability partners:
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Primary Consultants: Mithun, Inc • Robertson Merryman Barnes Architects • Michael Willis Architects • Urbsworks, Inc. • KPFF Consulting Engineeers • ABHT Structural Engineers • Murase Associates • Greenworks • Glumac International • Parametrix, Inc.
General Contractor: Walsh Construction Company
City of Portland: Bureau of Development Services • Bureau of Environmental Services • Bureau of Housing & Community Development • Bureau of Water Works • Office of Planning & Development Review • Office of Transportation • Parks & Recreation • Office of Sustainable Development • Portland Development Commission
Financial Partners: Albina Community Bank • Alliant Capital • Bank of America • Cascadia Revolving Fund • Energy Trust of Oregon • Enterprise Social Investment Corporation • Federal Home Loan Bank of Seattle • MMA Financial • Network for Oregon Affordable Housing • Oregon Department of Energy • Oregon Economic and Community Development • Oregon Housing & Community Services • Oregon State Treasurer • U.S. Department of Housing & Urban Development
Special thanks to: Cascade Sunworks • The Rebuilding Center • Acme Design Lab |
– Return to New Columbia Welcome Page –
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To view the PDF files on HAP's website, you need to have Adobe Acrobat Reader. It can be downloaded for free by clicking the "Get Acrobat Reader" logo. For information about translating PDF files into text to assist visually-impaired users, visit Access.Adobe.com. |
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