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Spill Prevention Compliance Corporation P.O . Box 1289 . . . . . . . .Waterford, CA 95386 Telephone : (209) 969-0851 Email : spceorpii? hotmail . com Website : www. spcpian .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 : spccorp(ii)hotmail .com Client: Chase Chevrolet Contact : Alex Robinson , Service Manager Address : 6441 Holman Rd . Phone No. : 209475-6640 City/State/Zip; Stockton ., CA 95212 Date of Test: 10-949 Assessment Data- Waste Coolant AST-Poly-a 1 . AST Configuration & age (describe) Vertical Double-wall Poly IS09000/9014/200 gals115 yrs old ( estimate ) 1 a . Useful Life Remaining of AST AST has approximately 30 years of remaining life (Subsection k1410) -No UV exposure 2 . AST Primary vessel construction (describe) Double-wall Poly IS09000/9014 in compliance with 40CFR- 264. 193 — Vertical Poly AST /Mfr: Poly Processing 3 . AST piping (describe) 2 in . PVC pipe from upper level fill point to the top of the tank for product supply. The waste coolant is pumped into pipe from portable transfer pump which is utilized during from operations as a coolant exchange in the sublect vehicle. And is gravity fed into the waste coolant tank. PVC Supply pipe has manual ball valve shut off in-line, at tank. 4 . Internal/External pump description Filling of the AST is achieved via gravity feed from the upper level thru the piping to the connection of waste coolant tank. There is no dedicated Hump for waste coolant. Filling by using exehanee transfer pump which is for operatlons of coolant exchange, along with gravity feed Into lower level tank. Ancillary equipment is secured to wall or to tank fittines, & supported and protected against Physical damage and excessive stress due to settlements vibration , expansion or contraction (see Pic) 5 . AST drawing (provided/drawn : source) (see attached ) 6. Design Standard (ASME, UL, etc .) Poly IS09000/9014 compliance with 40CFW264, 193 Single wall primary tank set within integral secondary containment. Mfr: Poiv Processing 7. AST foundation (describe) concrete submfloor, Base of AST under UL 142 adequate to withstand the load of a full tank-Tank is anchored to concrete floor. 8 . AST anchoring (seismic zone/flontation risk) AST is anchored, with steel flange anchor feet which are welded to outer shell of tank, & % in . anchor bolts into the concrete floor, thru the openings provided in the tanksanchor flanges. Stockton is a (groundshaking) 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 (null-out) capacity. Since the anchors are installed at the perimeter of the tank, the distance between anchors fin 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 liauid 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 against the concrete support