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Facility Drainage (cont.) M1ZL6L <br /> • Product Tank Secondary Containment Storm ---- <br /> Water Drainage Procedures: <br /> — Water is visually inspected for product sheen or other evidence <br /> of contamination. <br /> — If there is any product sheen or other contamination,then water <br /> may not be discharged and must be pumped or vacuumed out <br /> and properly managed. <br /> — If there is no evidence of product sheen or other contamination, <br /> then the dike drainage valve may be opened to allow gravity <br /> drainage of the storm water. <br /> — Documentation is Required! The date and time of the opening <br /> and the closing of dike drainage valve must be recorded on the <br /> drainage log,along with name of person conducting the <br /> drainage and their verification of the condition of the water. <br /> — Must also follow requirements of storm water permit/SWPPP,if <br /> applicable. <br /> — Dike area drainage must be conducted during daylight hours <br /> only,except for in an emergency situation. <br /> 31 <br /> 31 32 <br /> Bulk Storage Containers <br /> �'� „�,a d y • Aboveground Bulk Container Design, <br /> Construction,&Engineering Features: <br /> 1. .. <br /> -Compatible material <br /> ^ � k -Safe-fill level below operating capacity <br /> -Liquid level sensors and alarms that are audible& <br /> visual(in control rooms)with battery backup power <br /> - f supply <br /> 5� -Secondary containment <br /> -Cathodic protection <br /> Underground leak detection <br /> Operating Procedures <br /> 33 34 <br /> Transfer Operations, Pumping, & SPCC Plan - Tank Car/Truck Loading <br /> In-plant Processes and Unloading <br /> • Driver and employee training in loading/unloading <br /> • Buried Piping policies and procedures <br /> - Wrapped and coated • Signs for loading procedures&warnings <br /> — Cathodically-protected • Authorized personnel&trained drivers only allowed <br /> • Out-of-Service or Extended Standby Service Piping entrance to loading racks <br /> - Capped or blank-Flanged and marked <br /> • stations at the loading racks(Are these tested?How <br /> • Aboveground Equipment Protection from Vehicles often?) <br /> - Warnings,speed signs,bumper guards • Secondary containment at truck loading racks(Are there <br /> — Vehicles confined to facility roads and parking areas,except in cracks in concrete slabs/curbs?) <br /> special circumstances which require additional safety training <br /> • Facility containment for transfer areas <br /> • Premature vehicular departure prevention measures at <br /> racks typically include interlocked warning lights,brake <br /> 35 interlock systems,and warning signs 36 <br /> 35 36 <br /> 6 <br />