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0 41 <br /> Former Countryside Market,Stockton, California <br /> Feasibility Study and Interim Remedial Action Plan May 20,2013 <br /> Field activities will begin within four weeks of approval of this IRAP byte CRWQCB. SGI expects <br /> domestic well video logging and cone penetration activities to be completed Nithin about one month. The <br /> installation of wells AS-1, AS-2, OBS-1 and VW-1 will take about 1-2 weeks to complete, and the <br /> feasibility testing will require a few weeks from the collection of backgrou id data to the conclusion of <br /> post-injection monitoring and sampling. Feasibility results and the engineering design of the full-scale <br /> sparge system (assuming the results are favorable)will be submitted within two months of the completion <br /> of testing. <br /> Permit applications and fees will be submitted to the appropriate agencies Ath the engineering drawings. <br /> Final agency plan checks and approvals to the design is anticipated to require up to three months <br /> following submittal of fees and plans. Procurement and coordination of remedial equipment will be <br /> completed concurrently with agency permitting. <br /> Following finalization of the design and concurrent with agency permitting, a construction will be bid out <br /> to at least three qualified construction contractors. Contractor selection ill require approximately one <br /> month following receipt of the bids. Following receipt of all necessary permits by the contractor, field <br /> work and field inspections for the installation will require approximately one month to complete. <br /> Treatment system shakedown/start-up testing will be completed within approximately two weeks after <br /> final agency inspections/notifications. OW and semi-annual reporting ill be completed thereafter <br /> throughout the remedial process. <br /> Lastly, as discussed in Section 7.2, limited sparge system operations from t e test wells (AS-1 and AS-2) <br /> may begin prior to the installation of the full-scale system. Efforts will be made to install and permit the <br /> test system to allow for this possibility, and enable active groundwater remediation to commence as soon <br /> as possible (assuming it is cost effective to utilize temporary power versus a portable generator for the <br /> testing equipment, among other factors). In this case, the encroachment permitting, installation and tie-in <br /> of all the off-site sparge wells would subsequently be conducted as a separate phase of work with limited <br /> sparge system operations beginning as soon as the feasibility test reporting period. <br /> Feasibility Study and!lFessibility Study&IRAP_Text FmIxim 10-2 the Source Group,'RR <br />