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Spill Prevention Compliance Corporation P.O. Box 1289........Waterford, CA 95386 Telephone: (209) 969-0851 Email: spceorona.hotmail.com Website: www.spcplan.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: sipceorpahotmaiI.com Client: Maxim Crane Contact : Mike Anderson/Mario Bermudez , Service Manger Address: 2373 Mariposa Road Phone No.: (209) 464-7635 City/State/Zip; Stockton, CA 95205 Date of Test:_7/19/2016...9/10/2020 Assessment Data-Waste Coolant AST-Steel 1. AST Configuration & age of ASTHorizontal AST Singlewall steel/approx 15+yrs ol_d(estimated Ia. Useful Life Remaining of AST AST has approximately 15 years of remaining life (Subsection kJ-k10) 2. AST Primary vessel construction(describe) 275 gals/Waste CoolantfUL#/illegible-Container/Made to UL 80/142 construction standard-at least.093in.=2.3622mm steel thickness Per UL Std for Safe for Steel Aboveground Tanks for Flammable and Combustible Liquids,suitable For containing waste coolant 3. AST piping(describe)_None-Manual Fill to top of AST 4. Internal/External pump description None---see item#3......Manual Fill 5. AST drawing(provided/drawn: source) (see attached) 6. Design Standard(ASME, UL, etc.) UL 80/142-Single Wall Steel/Mfr: Unknown 7. AST foundation(describe)_ concrete sub-floor, Huse of AST under UL 142 adequate to withstand (lie load of a full tank-Tank is/is NOW anchored to floor. 8. AST anchoring(seismic zone/floatation risk)AST is/is NOW anchored,with steel flame bracket which is braced against the base of the outer shell of tank,& %z in. anchor bolt into the concrete floor. This tank is wedged between against another anchored tank and the 11 in. high concrete berm wall of the lubricants_room._ {citylstatel Stockton,CA is a(groundshaking) medium to high fault seismic region,likely to experience some moderate to severe earthquake activity, but with a lower level of frettuency and intensity than areas which are adjacent to malar active faults,which lie directly West of this area. Per CA Dent. of Conservation- CA Geological Survey, this area is a moderate to high ground shaking intensity zone with a low hazard of flooding, and is in a non-saturated zone which means a low to moderate liquefaction hazard. 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 throu h 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 allowablepull-out capacity. The second load case is with a partially full or full tank. In this scenario because the liq uid rills the bottom of the tank and increases its wei h# the Ljov e rn ina 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& side is against the concrete support structure at the walls and with other steel lubricants tanks,which further acts as a barrier to movement in the event of an earthquake. AST is situated in secured lubricants_room,within a concrete berm adjacent to the Southwest side of Service area, at the Southwest end of the overall facility . The tanks are unlikely to move outside the room in a seismic event or a flooding event.