EFS was contracted to perform source removal activities at a former gas station at the Naval Air Station in Millington, Tennessee. The project was performed under US Navy Remedial Action Contract (RAC) No. N62467-98-D-0995, Task Order 061 and in conjunction with the Tennessee Department of Environment and Conservation (TDEC) approved corrective action plan (CAP) for the site. EFS was retained to perform monitoring well sampling; canopy demolition and removal; soil excavation and loading; dewatering of excavations; sheet piling installation; backfilling and compaction; and site restoration activities.
The scope of services provided by EFS included:
- Pre-construction monitoring well sampling
- Installation of chain link security fencing around the site
- Pre-characterization of soils utilizing EFS direct push equipment
- Installation of 100 linear feet of 40 foot long sections of PZ27 steel sheet piling in order to protect on-site buildings
- Removal of fluorescent lights and ballasts and lead paint from a pump island canopy, and disposal of hazardous waste
- Removal and off-site recycling of 18,800 square feet of asphalt
- Demolition, removal and off-site disposal of a pump island canopy
- Excavation, transportation and off-site disposal of 13,959 tons of petroleum-contaminated soil material
- Field screen soil sampling during excavation activities
- Backfilling, compaction and on-site nuclear density testing of all excavated areas
- Installation of groundwater recovery system
- Restoration of the site to original conditions
- Assistance with final reporting
EFS performed all work activities in accordance with OSHA, TDEC, US Navy and local regulations. The project was performed on schedule and under budget with no safety incidents.