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In-Service AST Inspection Report <br /> Formal External Inspection of 8,550 Gallon Tank(AST-4) <br /> Valley Pacific Petroleum Services,Inc. <br /> Page 2 <br /> k. Release prevention barriers <br /> 1. Spill control systems <br /> 2. Inspect the tank based on its construction,per the following: <br /> a. Single-wall,multi-compartment tank of a horizontal cylindrical design,not in contact with the <br /> ground. <br /> 3. Conduct ultrasonic testing (from the exterior) to determine the shell thickness as described in the <br /> STI Standard. <br /> 3.0 INSPECTION FINDINGS FOR TANK: AST-4 <br /> 3.1 GENERAL SITE AND TANK DESCRIPTION <br /> The Facility supports commercial distribution of oil products with multiple ASTs used in the operation. <br /> AST-4 is located southeast of the maintenance shop and truck wash bay and is situated in secondary <br /> containment with multiple ASTs. The nameplate on the tank was present and readable and the age of the <br /> tank was established based on the nameplate. <br /> The tank's description is provided in Table 1,below. Also see Figure 1 in Attachment A and <br /> <br /> <br /> tion Size Gallons) Tank Construction Material ManwaAccess say Product Stored <br /> Manufactured by NJ 4,050-Gallons <br /> McCutchen,Inc. Single-Wall Steel within Tractor Hydraulic <br /> UL Listed SN# 184128 8,550 Concrete Containment Dike Yes Fluid <br /> *TANK No: AST-4/Outdoors 4,500-Gallons <br /> Hydraulic Oil <br /> *Tank identification from the Spill Prevention Control and Countermeasures(SPCC)Plan. <br /> The following details were observed as part of the overall tank inspection. The tank inspection summary is <br /> provided following the STI Formal External Inspection(FEI)criteria,and additional inspection items. The <br /> FEI items for AST-4 are described as follows: <br /> 3.2 FORMAL EXTERNAL INSPECTION <br /> 1. General <br /> 1.1. A Formal External Inspection(FEI)was performed by an STI Certified Inspector. <br /> 1.2. AST-4 is an elevated single-wall steel, multi-compartment, horizontal, cylindrical design <br /> tank. It is 72 inches (8 feet) in outside diameter, 288 inches (24 feet) long with a nominal <br /> capacity of 8,550 gallons. AST-4 is equipped with two 27-inch manways located on the <br /> tank's topside which serve as approved ERVs. Tank compartments are currently used to <br /> store tractor hydraulic fluid and hydraulic oil. Oil is pumped to dispensers located on the <br /> northeast side of the adjacent warehouse.A fill pipe with a connection located inside of the <br /> containment area is used to fill the tank. <br /> 1.3. Previous periodic inspection reports were not provided. <br /> 1.4. The age of the tank,December 1989,was established using a UL/manufacturer nameplate <br /> observed on the tank. <br /> 1.5. The fabrication of AST-4 was inspected using STI SP001 and UL 142 guidelines and <br /> national standards as a baseline. <br /> ow <br /> to CONDOR <br />