Under Building Petroleum Vapor Barrier - Avalon Bay
LOCATION: Bellevue, Washington TIMEFRAME: June 2006 SCOPE OF WORK: Design and install petroleum capable membrane for vapor barrier and extraction PROJECT PARTNERS: Owner: Avalon Bay Communities Inc.
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Owner: Avalon Bay Communities Inc.
Location: Bellevue, Washington
Application: Petroleum Vapor Barrier
Date: June 2006
44,600 SF of 30 Mil Hazgard 100 (U) unsupported geomembrane liner secured via 2,688 LF of Polypropylene batten bar.
Hazwhoper installation per CFR 1910.120 requirements. Over 90 custom boots were sealed around mechanical, electrical and plumbing penetrations. Our work schedule allowed concrete pours to proceed with out interruption.
Avalon Bay Petroleum Vapor Barrier Membrane (313 KB)
Petroleum contaminated soils below the basement subgrade of this 27 story building required a petroleum vapor barrier and vapor extraction system to capture and extract the containments. The membrane barrier had to form a secure seal at the foundation perimeter, support columns, mechanical, electrical and plumbing penetrations.
Layfield designed and installed a petroleum compatible membrane in three phases allowing construction activities to continue on schedule. Flexible polypropylene batten bar was used to fit securely and seal the membrane to all structures.