Hamilton West Condo Apartments
   
Hamilton Apartments; Courtesy The Garland Co.Project Name: Hamilton West Condo Apartments
Year: 1999
Owner: The City of Portland, OR and the Portland Housing Authority
Location: Portland, OR, USA
Building Type: Multi-Family Residential
Type: Extensive, Test/Research
System: Single Source Provider
Size: 5140 sq.ft.
Slope: 0%
Access: Accessible, Private
Submitted by: Linda S. Velazquez

Designers/Manufacturers of Record:
Architect: OTAK Architects
The City of Portland, Oregon and the Portland Housing Authority have added a 5,40 square foot greenroof, or ecoroof as they are referred to here, atop a 8,500 square foot 10-story apartment building. The ecoroof covers 60% of the roof. The building was designed by OTAK Architects, the greenroof system used is the Garland Company's GreenShield program and the waterproofing is Garland's StressPly Plus polymer modified membrane. Many low growing sedums, such as Sedum oreganum, and other succulents provide groundcover with some native wildflowers and grasses for accents. The roof was irrigated the first year for proper plant and root establishment and is flourishing nicely.
The site has been instrumented and monitored for stormwater retention and flow capabilities and tests are being performed on two soil depths, with plot areas of 2" and 4". The program is funded by the City of Portland, Bureau of Environmental Services and preliminary results are very encouraging. For complete stormwater data, details and charts please check the Autumn 2001 Green Roof Infrastructure Monitor or contact Ryan Retzlaff, Environmental Technician, City of Portland, OR at 503.823.7875 or at ryanr@bes.ci.portland.or.us.

Additional thumbnail photos:

Download the City of Portland Department of Environmental Services Sustainable Stormwater Management report of January 5, 2005 here. The property has been visited by many people, and tours can be arranged in advance. Contact Tom Liptan at toml@bes.ci.portland.or.us. For additional project info you may also contact Brian Lambert, of The Garland Company at 800.321.9336 or www.garlandco.com.
 
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