VA White City UST Removal and AST Install

Location:
Spokane Valley, WA

Client:
Andres Briones @ Department of Veterans Affairs

Contract Value:
$1,073,579.63

Project Highlights
  • Removal of 4 x 30,000 gallon tanks
  • Excavation & disposal of approximately 3,500 tons of petroleum contaminated soil
  • Pumped & treated approximately 140,000 gallons of petroleum impacted water & land applied
  • Subsurface investigation & installation of approximately 9 monitoring wells
Project Scope

AEC were contracted to remove 4 x 30,000 gallon tanks & install engineer approved bracing for 2 transformer pads located next to the excavation site. During removal AEC excavated & disposed of approximately 3,500 tons of petroleum contaminated soil then backfilled approximately 5,000 tons of soil. A concrete slab with reinforcement was laid to accommodate 2 x 20,000 gallon aboveground tanks with a fuel polishing system. AEC designed all double wall piping & the monitoring system, hooking the new tanks to the existing boiler piping. A pump set was furnished to supply fuel to the boilers. During this installation AEC pumped & treated approximately 140,000 gallons of petroleum impacted water & land applied. Subsurface investigation & installation of approximately 9 monitoring wells were installed as per the DEQ requirements. This was a competitively bid project & AEC performed 100% of this work with their own forces. Works were completed on time & within budget.