High Performance, Low Maintenance

Port of Seattle

Pellco Construction

SDS3 Stormwater Detention Facility

PELLCO was the General Contractor for this 18,600 asf cast-in-place concrete stormwater detention vault at SeaTac Airport, which will handle the stormwater runoff from the Third Runway. 50,000 cy of dirt was excavated. Over 2,600 cy of concrete was used to construct the vault. Conveyance of stormwater to and from the vault was handled by a 450 lf of 60" RCP installed to depths of up to 40 feet. PELLCO self-performed all earthwork, site utilities, structural concrete, rough carpentry and finish carpentry.

Value of Contract:


Date of Completion:

March, 2007