Demolish Fuel Underground Storage Tanks, NAS Lemoore, CA

Demolish existing abandoned bulk fuel storage tanks, day tank, Tank S-1, associated piping, pumps, filters and valve pits already taken out of service, and Bldg. 108 and vault. Perform soil sampling (bore hole) and contamination test along the abandoned fuel transfer pipes, day tanks area and aircraft direct fueling stations. 1.3.1.2.1 Demolition a. Demolish abandoned-in-place bulk fuel storage tanks and associated pumps, filtration, and equipment located in fuel farm. See Contract drawings in Appendix B1 for more details. b. Demolish abandoned-in-place day tanks and associated pumps, filtration, and equipment located near aprons. See Contract drawings in Appendix B1 for more details. c. Demolish tank S-1 and the containment curb on top of it. Removing the underground anchor slab on which the tank is installed is not required. Detach the inlet pipe coming from Building 90 lab, flush, blind with flange and abandon in place in accordance with applicable standards, rules and regulations. Detach and demolish the pipe to Fill stand. Detach and demolish vent pipe and any other pipe connected to the tank. See Contract drawings in Appendix B1 for more details. d. Demolish Building 108 and the vault underneath, in addition to cables and all other items inside. e. Demolish valve pits indicated on the Contract drawings (Appendix B1). Cut all valve pits inlet and outlet piping at 1 foot from outer surface of the valve pits. Residual fuel may exist inside the pipes, therefore, flame-cutting is not allowed and heat generation must be controlled during cutting. Blind the end of abandoned-in-place pipes with flange. Remove from Government property and properly dispose of any contaminated soil that is generated from disturbing the soil. 1.3.1.2.2 Construction Backfill and compact the cavities created because of demolition. Grade to match the surrounding area in accordance with the directions provided on the Contract drawings. 1.3.1.2.3 Soil Sampling and Contamination Test Perform soil sampling (bore hole) and contamination test along the abandoned fuel transfer pipes in 50 feet intervals and in accordance with CUPA requirements. See "SOIL SAMPLING AND CONTAMINATION TEST DRAWINGS" on Appendix B1 for detailed information. Provide GIS coordination of bore holes on pertinent drawings and a Microsoft Excell file. Remove from the Government property and properly dispose of any contaminated soil that is generated from soil sampling. Backfill the bore holes with uncontaminated soil. Soil sampling and contamination testing for this Contract consists of two parts: Base: Transfer pipes, day tanks area and aircraft direct fuling stations