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-p,��-�� ,,,,� (� < <.,���, r 55 ��; lc <br />�_ _ <br />SD&C <br />PO Box 2071 Kirkland, WA 98083 Phone (206) 459-5"75 Fax (425) 820-8368 <br />May I5, 2007 <br />Ms. Jane Zimmcrman . <br />Senior Engineer <br />Ciry of Everctt Public Works Department <br />3200 Cedar Strect <br />Everett, WA 98201 . <br />i�,�v <br />Subject: Building Perniit Number B0703-014 ,� �,.: ' � I � � �S <br />Above Ground Storage'I'ank Installation - `� - �' . �� �' <br />'� , � � � v i <br />Nelson Petroleum Facility �I � ��� ' �,.� <br />2815 Highland Avenue 1, r� ����'� �� 7 I I, <br />Everett, WA 98201 � •��I`� ([ �' �i,```i � ` � � r� <br />1� �.� �n ��h <br />Dear Ms. Zimmerman: �` '„ ��,; ,i � �, �� „�j C � ,� (' � r �'` � .�/ <br />rl. , j Ct i �' � (� <br />Slotta Design and Construction (SD&C) has prepared this letter on behalf of Nelson Petroleum 1 � <br />\. , <br />regarding your May, "^07 Icitcr entitled Requirements for Fueling Sites with Above Ground J ��� <br />Tank Storage in the Combined Storm/Sanitary Sewer Area. .,I�'�I <br />i; <br />Prior to discharge to the sanitary sewer, at thc operating facility referenced above, site runoff is <br />routcd through an existing oil water separator at the site with a 7,000 gallon capacity. An <br />isolation vah�e will be installed in the outlet piping from the spill containment vault during the <br />proposed above ground storage tank installation. The valve control shall be a sub-sruface hand <br />tumed vah�ewheel. 'I'he lid of the valve control box shall be brighdy colored to allow for easy <br />identification. The lid of thc oil water separator box is designed to vent vapors to the <br />atmosphere and is wnstructed of non-sparking material. <br />Signs indicating the location and purpose of the vah�e shall be posted at the fueling island and at <br />the control building. The vah�e lid will be desiganed to vent vapors to the atmosphere and shall <br />be constructed of non-sparking material. The pavement around the vault lid will be graded to <br />prevent the collection of'stormwater from adjacent areas. <br />Spil�s are prevented ���hene��er possible at the Nelson Petrolcum facilities. Concrete filled, stccl <br />pi�,c posts surround the fueling area that prevent vehicles from striking the gasoline pumps. <br />TJelson Petroleutn has an emergency spill cleanup plan in place (per I3MP SI. 80) and has <br />��������at�� responsible persons available cither on site or on call at all times. Suitable cleanup <br />�.. <br />materials are be mnintained on site to allow prompt deanup should a spill occur. A 55-gallon <br />drum f'ull ol' absorbent matcrial is stored in the wntrol building at the site. ln addition, one <br />cmpq� 55 gallon drum is availaUle at the site for disposal of used absorbent material. Instructions <br />on responding to an accidental spill arc availablc co all etnployees and is �wsted in the control <br />huildine. <br />yz <br />