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a <br /> 4.7.5 FUELINC SITES <br /> 4.7.5.1 General Reqvirements: <br /> A 55 gallon drum full of abaorbent materisl ehall b� k�pt in <br /> a location eonvenient to the fuelinq island and tank�r <br /> tranefer ares�. Th� ab�orbent mnterial �hall be u��d in th� <br /> clean-up of any �pill• of qaeoline or oil. in addition, en <br /> empty 55 qallon drum �hall aleo be kept on th� •it� for <br /> diepo�al of u��d ab�orbent. Inetruction• on r��pondinq to <br /> an accid�nt�l �pill �hall be made evailabl� to all unployea� <br /> snd ehall be posted in vieible locations. <br /> Signu mu�t b� poet�d noting the location of the pump ■hut- <br /> ' off switch(a�). <br /> The aite area azclveive of the fueling islenda end tankar <br /> tranefer area� shall drain throuqh a veqeteted ewale and/or <br /> a baffle-typa oil/water eeperetor before diecherqing to the <br /> etorm drainsge eystem. <br /> 4.7.5.2 High Voluae U�e Fuelinq Areae (comnercial gae etation <br /> fueling ielande, fleet fueling aresa, etc. ): <br /> Fueling areas shell bo covered to prevent the dlract entry <br /> of precipitation and ehall be qraded or bermed to prev�nt <br /> the run-on of etormwater from adjacent areao. <br /> Fueling ereae ahall be paved ueing Portland cement concret�. <br /> Tha pavement under covered ereas ehall be qraded, or <br /> "trench" or "valley" draine ehall be located at the coverod <br /> eree perimeter along the downhill eide(s), to collact runoff <br /> or weehwater from the fueling areaa. All collact�d runoff <br /> ehall be routad throuqh e epill containment vault with a 50 <br /> gnllon (minimum) live capacity prior to diecharq� to th� <br /> eanitery sewer. <br /> An ieoletion velve ahall be inetallad in the outlet pipinq <br /> from the spill contelnment veult. whenev�r •ite <br /> confiquretion ellowe, the valve control ehall be an abova- <br /> ground hsnd-wheel. If only a below-ground valve control is <br /> feasible, the valve ehall still be hnnd-operable and tha lid <br /> of the valve control box ehall be brightly colored to allow <br /> for eaey identificatior. ,iqne indiceting the location and <br /> purpoee of the valve eh:.11 be poeted at the fueling Lelanda <br /> and nt tho ettendant�e etation. <br /> The vault lid ehall be deeigned to vent vapors to the <br /> atmoephere and eh.all be conetructed of non-eparking <br /> material. The pavement around the vault lid ehall be gradod <br /> or bermed to prevent the run-on of etormwater from adjacent <br /> areae. <br />