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OIL REMOVAL UNIT FORK LIFT REPAIR SHOP TRI-VALLEY MODESTO, CALIFORNIA TRI-VALLEY STOCKTON , CALIFORNIA TRI-VALLEY MADERA, CALIFORNIA Discussion The waste water and steam clean water that is used to remove the dirt and oil from the Fork Lift Units will flow from the floor to the sand and soil trap located in the floor of the shop. A float activated diaghragm pump will pick up the oily water from the floor sump, and pump it to a 1000 galldn dirty water holding tank. This tank will be located outside and will act as a surge tank and a storage tank. The flow from the storage tank to the oil removal unit will be by gravity and controlled by a valve. The oily water will flow into a corrugated plate separator at a steady flow rate as set by the valve on the surge tank. The solids will be settled. The oil will be concentrated and removed by natural separation and enhanced by the corrugated plates. The oil will rise to the top of the unit where it is allowed to flow into a waste oil container for final disposal . The settled sludge will be removed as required and tested for heavy metals and disposed of in an approved manner. The water that is produced will be low in free oil content Cless thaw► 50 ppm) and can be sent directly to the sewer or ' septic tank. ; For water recovery and reuse the produced water will be pumped through a series of filters and stored in a clean water tank. The filters will consist of a coalescer filter and a carbon filter to remove any remaining emulsified oil and organics. The polished water will be of high enough quailty to be sent directly to the steam cleaner or boiler for reuse. The complete system will consist of the following components: 1 . In-place floor sump. 2 . Diaghram pump with a float actuator. 15-26 gpm at 15 ' head. Located in present floor sump. L r r