The Blaine Naval Ammunition Depot was a load, assemble, and pack munitions facility during the 1940s and 1950s, and included a main production area and 2,000 storage buildings/bunkers across 48,800 acres. Site contaminants of concern include volatile organic compounds (primarily trichloroethene) and explosives (primarily RDX).
HGL has been tasked with the following:
- Conducting remedial construction;
- Conducting operation and maintenance (O&M) of a groundwater treatment plant and extraction system;
- Installing water lines and hookups;
- Implementing erosion and storm water controls;
- Collecting and analyzing groundwater, process water, and air samples;
- Conducting O&M of monitoring and extraction wells; and
- Preparing a work plan, as-built drawings, an O&M manual, periodic monitoring reports, and an O&M report.
|✔||Extracted, treated, and discharged 4.25 billion gallons of groundwater at 3,700 gallons per minute while operating at 97% efficiency.|
|✔||Designed/constructed a 91,000-gallon wet well that required deep excavation and installation of 2,900 linear feet of piping within budget and schedule despite losing 12 days to extreme inclement weather.|
|✔||Constructed the south irrigation system and grade control structures, which involved excavating approximately 116,000 cy of soil and placing 6,000 cy of riprap for erosion protection.|