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Elite <br /> 2535 Wigwam Dr. State Lic// 1001331 <br /> Stockton , Ca 95202 <br /> (209 ) 461 - 6337 <br /> (209) 46 1 - 6342 Fax <br /> hale Zw Transition Sump and Product Line Excavation <br /> o Tank pad and transition sump area will be fenced off and barricaded and asphalt and concrete <br /> will be removed to expose all piping to existing transition sump and vapor pot to determine the <br /> existing layout of the 87 & 91 product lines . <br /> • After determining layout trenches will be cut to existing udc's of front dispensers these trenches <br /> will be covered with metal trench plate covers to allow traffic and fueling during this period . <br /> • All Pea Gravel will be stored at location to be used to backfill for excavation and trenches after <br /> completion of new product lines . <br /> • All concrete debris will be removed and disposed off as required per EHD and area will be <br /> cleaned and prepped for Phase 3 of installation <br /> Kase 3 Transition Sump, UDC, Piping Installation & Testing / Backfill and Concrete <br /> * Site will be shut down for fueling during phase 3/4 of construction * <br /> ® All four (4 ) dispensers will be removed from island and all product lines will blown back to tanks <br /> from all four fueling locations <br /> • All four (4 ) UDC 's will be removed and the area surrounding the front dispensers will be fenced <br /> and barricaded <br /> 0 87 product and secondary lines will be cut out from existing STP sumps and removed from <br /> existing transition sump <br /> o New transition sump will be installed and new 87 and diesel product lines and secondary lines <br /> will be run from STPs to transition sump and reconfigured as needed to eliminate existing issues <br /> with 87 flow rate . The 91 product line will also be moved if necessary as determined once the <br /> area is excavated . Test boots will be installed on all lines in the transition sump . <br /> • 87 product and secondary lines will then be plumbed back into existing lines through transition <br /> sump into new UDC 's and new diesel product and secondary lines will be plumbed to new udcs . <br /> • The 91 product line will be retrofitted as needed at this time . <br /> • After completion of piping , all secondary lines and primary lines will be tested by EHD before <br /> proceeding . Once testing is completed . UDC 's and transition area will be backfilled and concrete <br /> and asphalt will be poured . <br /> • After all excavations are filled, a second test with EHD will be performed on secondary. Once the <br /> test is complete we can proceed to Phase 4 of installation . <br /> 2 <br />