Location: Kunia Field Station, Oahu, Hawaii

Client: US Army Engineering & Support Center, Huntsville

Scope: In support of the US Army Corps of Engineers, Honolulu District, DAWSON constructed a multi-layer cover system to contain over 14,000 square feet of TPH impacted soil. The complete cap system consisted of a 40-mil HDPE impermeable liner, a geotextile drainage mat, 4” of Subsurface drainage piping, 24” protective fill, 6” topsoil, and a vegetative cover.