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STI SP001 Monthly Inspection Checklist <br /> General Inspection Information: <br /> Inspection Date: Retain Until Date: (36 months from inspection date) <br /> Prior Inspection Date: Inspector Name: <br /> Tanks Inspected(ID Ws): <br /> Inspection Guidance: <br /> ➢ For equipment not included in this Standard,follow the manufacturer recommended inspection/testing schedules and procedures. <br /> ➢ The periodic AST Inspection is intended for monitoring the external AST condition and its containment structure. This visual inspection does not require a Certified <br /> Inspector. It shall be performed by an owner's inspector who is familiar with the site and can identify changes and developing problems. <br /> ➢ Upon discovery of water in the primary tank, secondary containment area, interstice, or spill container, remove promptly or take other corrective action. Before <br /> discharge to the environment, inspect the liquid for regulated products or other contaminants and disposed of it properly. <br /> ➢ (*)designates an item in a non-conformance status. This indicates that action is required to address a problem. <br /> ➢ Non-conforming items important to tank or containment integrity require evaluation by an engineer experienced in AST design, a Certified Inspector, or a tank <br /> manufacturer who will determine the corrective action. Note the non-conformance and corresponding corrective action in the comment section. <br /> ➢ Retain the completed checklists for 36 months. <br /> ➢ In the event of severe weather(snow, ice,wind storms)or maintenance(such as painting)that could affect the operation of critical components <br /> (normal and emergency vents,valves), an inspection of these components is required as soon as the equipment is safely accessible after the event. <br /> Item I Task Status Comments <br /> 1.0 Tank Containment <br /> 1.1 Containment Check for water, I IYes* I No I IN/A <br /> structure debris, cracks or fire <br /> hazard <br /> 1.2 Primary tank Check for water ❑Yes* []No <br /> 1.3 Containment Operable and in a ❑Yes ❑No* ❑N/A <br /> drain valves closed position <br /> 1.4 Pathways and Clear and LiYes I No* ❑N/A <br /> entry gates/doors <br /> operable <br /> 2.0 Leak Detection <br /> 2.1 Tank Visible signs of ❑Yes* ❑No <br /> leakage <br /> 2.2 Secondary Visible signs of I Yes* I INo <br /> Containment leakage from tank <br /> into secondary <br /> containment <br /> 2.3 Surrounding soil Visible signs of I Yes* I No I N/A <br /> leakage <br /> 2.4 Interstice Visible signs of I Yes* I No I N/A <br /> leakage <br /> AST INSPECTION STANDARD 4 SEPTEMBER 2011 <br /> COPYRIGHT©2011 Steel Tank Institute <br />