Is the vent covered with #24 If no, install proper #24 Yes No mesh corrosion resistant mesh corrosion resistant screening? screening. If no, re-configure the Does the air vent terminate Yes No vent so that it terminates downward? downward. Is the air vent at least 24” above the tank roof or ground If no, raise air vent to surface (whichever is higher)? Yes No provide for an appropriate What is the height of the vent air gap. above the roof or ground surface? Access Hatch Proposed Actual Significant Deficiency Required Correction Completion Completion Date Date Is the hatch raised at least 4” above the roof (for ground level or elevated tanks) or at least 24 inches above the If no, the hatch should be roof or ground, whichever is higher raised to the appropriate Yes No (for buried or partially buried tanks)? height above the tank roof What is the height of the access or ground. hatch above the roof or ground surface? If no, a properly designed Yes No Does the hatch have a shoe box lid? shoe box type lid should be installed. If no, the reason for the Is the lid water tight and sealed with Yes No lack of a seal should be a rubber gasket? investigated and repaired. If no, the hatch should be Yes No Is the hatch locked? equipped with a lock. Overflow Proposed Actual Significant Deficiency Required Correction Completion Completion Date Date Discharge has #24 mesh corrosion resistant screen OR a duckbill valve If no, indicate proposed Yes No OR a properly sealed flapper valve correction: with a screen inside (EPA recommends #24 mesh screen)? Overflow terminates between 12 and If no, modify overflow to 24 inches above the ground surface? Yes No provide for an appropriate At what height does the overflow air gap. discharge? Overflow discharges over an inlet If no, indicate proposed Yes No structure, splash plate, or engineered correction: rip-rap? Is the overflow directly connected to If yes, indicate proposed Yes No a sanitary sewer or storm drain? correction:
Yes No Is the vent covered with #24 mesh corrosion resistant screening? If no, install proper #24 mesh corrosion resistant screening. Yes No Does the air vent terminate downward? If no, re-configure the vent so that it terminates downward. Yes No Is the air vent at least 24” above the tank roof or ground surface (whichever is higher)? What is the height of the vent above the roof or ground surface? If no, raise air vent to provide for an appropriate air gap. Access Hatch Significant Deficiency Required Correction Proposed Completion Date Actual Completion Date Yes No Is the hatch raised at least 4” above the roof (for ground level or elevated tanks) or at least 24 inches above the roof or ground, whichever is higher (for buried or partially buried tanks)? What is the height of the access hatch above the roof or ground surface? If no, the hatch should be raised to the appropriate height above the tank roof or ground. Yes No Does the hatch have a shoe box lid? If no, a properly designed shoe box type lid should be installed. Yes No Is the lid water tight and sealed with a rubber gasket? If no, the reason for the lack of a seal should be investigated and repaired. Yes No Is the hatch locked? If no, the hatch should be equipped with a lock. Overflow Significant Deficiency Required Correction Proposed Completion Date Actual Completion Date Yes No Discharge has #24 mesh corrosion resistant screen OR a duckbill valve OR a properly sealed flapper valve with a screen inside (EPA recommends #24 mesh screen)? If no, indicate proposed correction: Yes No Overflow terminates between 12 and 24 inches above the ground surface? At what height does the overflow discharge? If no, modify overflow to provide for an appropriate air gap. Yes No Overflow discharges over an inlet structure, splash plate, or engineered rip-rap? If no, indicate proposed correction: Yes No Is the overflow directly connected to a sanitary sewer or storm drain? If yes, indicate proposed correction:
storage_tank_finished_water_checklist_tribal.docx