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MORRIS ENGINEERING & ASSOCIATES, INC. <br /> CONSULTING ENGINEERS <br /> Tank Assessment Checklist Tank T1 <br /> Tank Name: Rust Inhibitor Bath <br /> Approximate Date of Construction: 1997 <br /> Design Standards: Industry Practice at Time of Construction <br /> Approximate Dimensions: 156"Long x 103"Wide x 84"Deep <br /> Tank Configuration: Horizontal <br /> Approximate Gross Capacity: 15800 gallons <br /> Material of Construction: Painted or Epoxy Coated Steel <br /> Approximate Tank Wall Thickness: 13/16" (estimated measurement) <br /> Tank System Piping: FSee Pipe Summary <br /> Internal/External Pumps: No permanent pumps in place near tank <br /> Leak Detection Equipment: Visual Observation <br /> Corrosion Protection Equipment: Steel is covered with a corrosion resistant paint,no additional <br /> corrosion protection equipment <br /> Spill Prevention Equipment: Tank is within a secondary containment area ofsuJficientcapacity <br /> to contain any tank spills,no additional spill prevention equipment <br /> Secondary Containment: Epoxy Coated Concrete Berm,and underground sump,See <br /> Containment Summaryfor Evaluation <br /> Hazardous Characteristics of Waste: Currently tank does not store or treat hazardous wastes,however <br /> in the future it may be filled with a Zinc-Phosphate solution. <br /> Description of Structural Damage: All exterior sides of equipment was observable. The tank was full <br /> at the time of our inspection,but it did not appear to be leaking. <br /> No structural damage to the tank was noticed.However,our <br /> structural inspection was limited to a visual inspection. We <br /> recommend that prior to switching to a Zinc-Phosphate solution, <br /> ultrasonic or similar testing be completed by a licensed testing <br /> agency to verify the thickness of the existing material to determine <br /> if any degradation has occurred due to corrosion. <br /> Results of Leak Test: No leak test was performed,but tank is currently in service and did <br /> not appear to be leaking. <br /> Foundation: Tank was installed on a concrete slab-on-grade and appears to be <br /> adequately supported as there were no signs of cracking or <br /> settlement around the tank. <br /> Seismic Anchors: I did id not appear that seismic anchors were presently installed on <br /> the tank. We recommend that anchors be installed in the near <br /> future to anchor the equipment to the ground. <br /> Estimated Remaining Service Life: —r 10+years <br /> Comments: Tank appears to be in adequate condition,and did not show any <br /> signs of leaking or other structural damage. When it is convenient <br /> the corrosion resistant paint or epoxy coating should be reapplied <br /> to areas of the tank that appear to be worn. <br /> 1300 INDUSTRIAL ROAD, SUITE 14,SAN CARLOS,CA 94070, (650)595-2973 FAX(650)595-2980 <br /> Email: lee@morriseng.com <br />