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Mike Smith Engineering, Inc. P.O. Box 611, Lodi, CA 95241 (209) 334-2332 Description: 3 B's Truck &Auto Plaza provides multiple services for travelers on interstate 5. One of the services provided is oil change for primarily large trucks. There is a service pit that is 4'-0" wide, 30'-0" long and 4'-0" deep for the mechanics to access the underside of the vehicles. There is a moveable pan that collects the waste oil that is easily adjusted to be directly below the vehicle oil plug. This pan has a steel reinforced flexible rubber suction pump that is mounted on top of the storage tank. The suction line is either flexible rubber hose where fittings have containment or copper pipe with soldered connections. The service pit provides containment for fittings at the moveable pan. There are 10 GA steel containment pans at the pump and at the discharge connection. The tank is a steel tank with integral secondary containment with leak detection sensors and an overfill alarm. The entire system is located inside of a building with approximately 20'-0" between collection pan and storage tank. Tank Assessment per 22 CCR 66295.192Lk) 1) Tank Confi ration: Above ground"lube cube" steel tank with integral secondary containment, and approximately 1000 gallon capacity. la) Material Storage: Tank is used to store waste oil. Specific Gravity=.85 Density= 53 lb/cf 2) Dcsign Standards: a) Steel Tank. Above Ground b) Material thickness not available because double wall tank does not allow access to inside tank wall. Tank is in good condition with original pain finish still intact. c) Tank system piping is welded copper piping with 11/2" diameter steel reinforced flexible rubber hose at the moveable pan and at the discharge side of the pump. d) External suction pump mounted to top of tank with secondary containment pan. Air operated diaphragm pump. Pump Capacity= 40 GPM e) Tank drawing see exhibit"A". 3) Documented age of tank estimated to be less than 15 years old.