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STI SP001 Monthly Inspection Checklist <br />uenerai inspection information: <br />Inspection Date: Retain Until Date: (36 months from inspection date) <br />Prior Inspection Date: Inspector Name: <br />Tanks Inspected (ID #'s): <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 <br />Check for water, <br />[]Yes* ❑No ❑N/A <br />structure <br />debris, cracks or fire <br />hazard <br />1.2 Primary tank <br />Check for water <br />[]Yes* []No <br />1.3 Containment <br />Operable and in a <br />❑Yes []No* ❑N/A <br />drain valves <br />closed position <br />1.4 Pathways and <br />Clear and <br />[]Yes ❑No* ❑N/A <br />entry <br />gates/doors <br />operable <br />2.0 Leak Detection <br />2.1 Tank <br />Visible signs of <br />❑Yes* ❑No <br />leakage <br />2.2 Secondary <br />Visible signs of <br />[]Yes* []No, <br />Containment <br />leakage from tank <br />into secondary <br />containment <br />2.3 Surrounding soil <br />Visible signs of <br />[]Yes* []No ❑N/A <br />leakage <br />2.4 Interstice <br />Visible signs of <br />[]Yes* []No ❑N/A <br />leakage <br />AST INSPECTION STANDARD 4 SEPTEMBER 2011 <br />COPYRIGHT© 2011 Steel Tank Institute <br />