The work can be generally described as providing expertise, knowledge, abilities, tools, equipment and approved materials to remove existing caulking from all joints, remove / replace sand filtering system on each side of the catch basin, provide waterproof joint repair, and cleaning seepage drain in concrete holding tank at the Central Wash Point (CW100) on Fort Pickett (formally Fort Barfoot), VA. a. Worksite Safety is the contractor’s responsibility. b. All areas to be repaired shall be cleaned thoroughly by brushing, brooming or high-volume compressed air or a combination thereof. c. All areas to be repaired will be primed with adequate binding compound. d. Ensure that all components of machinery utilized in execution of this RFQ are in proper working condition and free of fluid leaks and/or maintenance issues. e. Work shall be scheduled around local weather forecast. Patching will not take place during rain events. f. Normal work hours on Fort Pickett are 7:30AM – 4:30PM; g. The CW100 is in a restricted area on Fort Pickett. Coordinate daily access through DPW. h. The Primary Settling Basin (holding tank[s]) are concrete structures that consist of a 10” concrete floor slab with 12” thick perimeter concrete walls. The control / construction joints (CJ) in the floor have failed causing considerable water loss. These joints will need to be cleaned of the current caulking, shaped, using a grinder or a saw, and thoroughly cleaned to prepare for new water stop material. Width and depth per product manufacturer’s recommendations. i. Vertical wall joints at each end of floor slab CJ will be cleaned and re-sealed. j. Repair wall joints behind the ramp to include wall to floor joints (previously applied caulking has failed). k. Contractor shall provide manufacture’s product data for each product. l. Thoroughly clean the entire floor and walls of the structure* m. Remove all existing sand, filter fabric, drainpipe and stone. n. Replace 4” drainpipe with filter sock [Match Existing]; o. Provide new, clean washed VDOT # 57 crushed stone. p. Filter fabric shall be geotextile, 4 oz. non-woven; q. Sand shall be clean washed brick or concrete sand. r. Caulking /water stop shall be waterproof and designed to perform under 6 feet of water long periods of time (submittal required); Explanation 1. The Central Wash Point (CW100) is a very large concrete facility that is +/- 150’x 40’, designed to facilitate the cleaning of all military vehicles at Fort Pickett. This facility is capable of cleaning very large military construction equipment as well as tanks and selfpropelled artillery machines. 2. This facility is a “closed loop” system. Meaning that the water is used over and over after the sediment from the washing process has settled to the bottom of the holding tanks or basins. 3. This repair is critical to the sustainability and proper operation of the system.
