2021-05-12_REVISION - M2012032 - Laserfiche WebLink

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OUR4Y SILVER MINES 3.6.2 Monthly Inspection Monthly inspections are comprehensive and involve the following key elements: • Observe the exterior of all containers, pipes and other equipment for signs of deterioration such as leaks, corrosion and thinning; • Observe tank foundations and supports for signs of instability or settlement; • Observe pipes, valves and appurtenances for signs of poor connection or leakage; • Verify the proper functioning of fill level indicators and overfill prevention systems; • Observe berms for signs of deterioration or discharges of oil; • Check spill kit inventories; and • Check all secondary containment for damage and indication of container leakage. All concerns and indications of required maintenance are immediately reported to the Environmental Department. Pooled oil is removed immediately upon discovery. Repairs and other maintenance must be conducted as soon as possible. Written monthly inspection records are signed by the inspector and will be maintained in a central location for a period of 5 years. Monthly inspections are recorded and signed by the inspector using the Fulcrum App for data collection. 3.6.3 Annual Inspection OSMI personnel will conduct a comprehensive inspection annually that will replace a regular monthly inspection. The annual inspection is preferably conducted after a storm event.The Storm Water Management Plan also conducts inspections of the drainage control measures that complement the SPCC Plan and help prevent a discharge to Sneffels Creek. Written monthly inspection records are signed by the inspector and will be maintained in a central location for a period of 5 years. 3.6.4 Periodic Integrity Testing Any tank installed will receive an inspection to verify the tank is in good working order during initial filling. Spill Prevention Control and Countermeasure Plan 17 1 P a g e