USACE Final Source Area Excavation and Remediation

USACE Final Source Area Excavation and Remediation

Ahtna excavated 6,700 cubic yards of gasoline-contaminated soil at Fort Hunter Liggett (FHL) Building 258, a former fuel depot, using a 36-inch diameter continuous flight auger (CFA) and completed soil remediation by land farming and bioremediation. In late 1989, an...
USACE Groundwater Treatment Systems O&M, former Fort Ord

USACE Groundwater Treatment Systems O&M, former Fort Ord

Ahtna has provided remediation and engineering support for USACE at the Former Fort Ord (FFO) for various phases of the CERCLA BRAC cleanup program since 2002 under multiple consecutive contracts. FFO is in the remedial design and remedial action phase of the CERCLA...
USAF Repair of HVAC Units at Los Angeles AFB

USAF Repair of HVAC Units at Los Angeles AFB

Ahtna procured and replaced 11 chiller and air handler units, 80 to 300 tons in capacity, on this 4-story satellite control building without impact to USAF operations. Ahtna was awarded a $3.1M project to perform a design-build project to replace 11 roof-mounted HVAC...