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Landfill Removal, Wetlands Restoration, and Shoreline Protection
Naval Weapons Station, Cheatham Annex, Yorktown, VA
Department of the Navy, Atlantic Division

Work included project management, construction QC oversight, project plan development (including QCPP, BHSP, EPP, CQCP, SAP, ECP, SSHP), validation and confirmatory sampling and analysis of soils and sediments, topographical surveys, landfill excavation, solid waste management and disposal, site restoration, wetlands restoration, shoreline restoration, and closure report. Over 100 soil and sediment samples were analyzed for PCBs, pesticides, metals, and PAHs. Over 21,500 CY of soil/sediment/debris were removed and disposed to three feet below groundwater from the landfill. Two breakwaters, with a total of 2,700 tons of rip-rap, were constructed at the banks of the York River to protect the shoreline from further erosion. Site restoration included placement of soil backfill, top soil, and hydro-seeding.

During the landfill removal activities, the confirmation sampling for the soils and sediments indicated that the vertical extent of contamination was greater than the original SOW. The Navy was immediately contacted and offered an alternative to avoid work stoppage. Bhate worked with the Navy to divert the wetlands restoration task and another subtask from the original SOW in order to dispose the additional 1,100 CY of soil/sediment encountered within the funds of the original contract. Because of this, we were able to maintain the original schedule, save the Government money on standby charges or demobilization/mobilization, and extended supervision and accomplished the priority task of removing the contaminated soil.

Bhate’s performance was outstanding and client-focused. Bhate worked closely with the Navy in developing the concept to achieve the Navy's project objectives, and implemented the work without the traditional engineering design and specifications. During construction, Bhate identified a problematic drainage situation and proposed a no-cost alternative to overcome the differing site condition. I highly recommend Bhate and look forward to an opportunity to work with them again in the future.

Timothy A. Reisch, P.E.
Senior Remedial Project Engineer, NAVFAC ATLANTIC


 

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