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Spill Prevention Compliance Corporation P . O. Box 1289 . . . . . . . . Waterford , CA 95386 Telephone : (209) 969 - 0851 Email : spccorp6dhotmail . com Website : www. stieplan .com Certified Assessment Form (PE) for AST Systems Assessor : Spill Prevention Compliance Corporation Onsite Assessor: Todd McWhorter P. O. Box 1289 Telephone: (209) 969-0851 Waterford , CA 95386 email : specorp@hotmail .com Client: Chase Chevrolet Contact : Alex Robinson , Service Manager Address : 64411 Holman Rd . Phone No. . 209475-6640 City/State/Zip ; Stockton , CA 95212 �1010Date of Test: 10-949 Assessment Data- Waste Coolant AST =Steel 1 . AST Configuration & age of AST Horizontal AST Single wail steel/approx 25 Yrs old( estimated ) I a . Useful Life Remaining of AST AST has approximately 20 years of remaining life (Subsection k] 410) 2 . AST Primary vessel construction (describe) 120 gals/Waste Coolant/UL# Not Legible /UL142- Container/ Made to UL 142 construction standard-at le0st .093 in . steel thickness per UL Std for Safety for Steel Aboveground Tanks for Flammable and Combustible Liquids, suitable for containing waste coolant 3 . AST piping (describe) lin. hydraulic hose to 1 in . elevated galvanized pine to 1 inch copper nine from Graco pneumatic pump to 1 in , hydraulic hose to 2 in opening w/fitting, from pump for supply to top of AST. There is an inline check valve between quick connect hose pick-up & pump. Piping is adequately secured , supported & protected against physical damage and excessive stress due to settlement, vibration , expansion or contraction , & was tested , found to be in good condition & not leaking. 4 . Internal/External pump description external wall mounted in steel cabinet Graco pneumatic pump w/2 _ solenoid 12volt-10400psi-w/continuous electronic monitoring & BJ Enterprises 007 alarm at the tanks , and alarm at the pump when high product levels are reachedesExternal pump, which pumps from waste coolant caddies from service area Ancillary equipment is secured to_wallx & supported_ and__protected against physical damage and excessive stress due to settlement, vibration, expansion or contraction (see pie) 5 . AST drawing (provided/drawn : source) (see attached) 6. Design Standard (ASME, UL, etc.) UL 142 -Single Wall Steel /Mfr : Lube Cube 7. AST foundation (describe) , concrete subofloor, Base of AST under UL 142 adequate to withstand the load of a full tank-Tank is anchored to wall. 8 . AST anchoring (seismic zone/floatation risk) AST is anchored. with a steel earthquake strap around the tank with ''/s in. anchor bolts anchored into the concrete wall. with the steel strap being set at approximately '/ of the height of the tank. . Stockton is a (groundshakina/ potential liquefaction) seismic region ,_ These anchors are intended to secure the tank during a seismic event. There are two scenarios which would create loads upon them . The first scenario is an empty tank. With an empty tank, the expansion anchors resist the overturning moment through their tensile (pull-out) capacity. Since the anchors are installed at the perimeter of the tank, the distance between anchors (in either direction)provides a sufficient lever arm for the concrete anchors to not exceed their allowable pull-out capacity. The second load case is with a partially full or full tank. In_ this scenario, because the liquid fills the bottom of the tank and increases its weight, the governing load case_ becomes the shear capacity of the concrete expansion anchors In the shear loading, all anchors resist the loads and their allowable capacity is not exceeded . This load case is conservative in its analysis since it neglects the friction force created by the weight of the partially full or full tank. This tank's rear is set in a corner, against the concrete walls, which further acts as a barrier to movement in the event of an earthquake. AST is situated_ in secured lubricants room , at the Northern side of Service area. The tanks are unlikely to move outside the room in a seismic event or a flooding event