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Stantec . <br /> Progress Report- October ANovember 2012 <br /> Stockton Charter Way Commingled Plume No. CP0057 <br /> December 19, 2012 <br /> • During trenching activities, damaged two electrical conduits to facility light poles. Stopped <br /> work, assessed damage, initiated Chevron and Stantec incident reporting processes, <br /> repaired conduits, and resumed site work <br /> Activities Completed and Planned for December 2012 <br /> • Completed additional private utility surveys <br /> • Completed soil excavation for the new trash enclosure footing <br /> • Completed trench excavation for the underground PG&E gas lateral pipeline <br /> • Received PG&E inspector approval for the bell hole trench excavation and gas lateral <br /> pipeline installation <br /> • PG&E completed connection of underground gas lateral pipeline to gas main pipeline <br /> • Installed rebar and poured trash enclosure footing and received inspection approval from <br /> the City of Stockton <br /> • Initiated installation of underground AS and SVE piping <br /> • Continuing trenching activities <br /> • Before implementing the project holiday hiatus on December 21", will have completed <br /> approximately 60% of the project trenching, piping, backfilling, and pavement restoration <br /> activities <br /> The construction project has incurred some delays due to weather, damage to underground utilities, <br /> and the need to hand-dig (for safety) significantly more of the trenching than originally planned. <br /> The construction project was completely shut down due to rain during many days and significant <br /> time was spent pumping out water accumulated in trench excavations (even though trench <br /> excavations were plated and cold patched). Based on the progress achieved to date, system <br /> installation is estimated to be completed on February 1, 2013. After system installation, PG&E <br /> must connect electric and gas services before startup of the SVE/AS system. Also, the SJVAPCD <br /> will need to oversee the SVE system source testing, and Stantec must obtain lab results to <br /> generate the system startup report. In consideration of the above, Stantec requests an extension <br /> for the remediation system startup from January 30, 2013, to March 15, 2013. <br /> 2 <br />