ARCHIVED REPORTS_WELL DESTRUCTION REPORT

Home Browse Search

' • Retained Cruz Brothers Locators, Inc. (Cruz Brothers), to perform a subsurface utilities survey on the Site using subsurface line locating equipment (e.g., electromagnetic line locating equipment). ' Cruz Brothers performed the survey on January 3, 2012. • Retained the services of Gregg Drilling and Testing(Gregg), a C57-licensed drilling contractor, to ' perform the well destruction activities. • Retained the services of Advanced Technology Laboratories (ATL), a California-certified analytical laboratory(ELAP No. 1838), to provide chemical analysis of soil samples for disposal purposes. ' • Retained the services of NRC Environmental Services, Inc. (NRC) to provide transportation and disposal services for the excavated soil and well debris. ' • Retained the services of Robert Burns Construction, Inc. (Burns), a licensed (4466981) construction and paving contractor, to perform sidewalk replacement activities in accordance with the City's encroachment permit requirements. Burns also provided asphalt resurfacing activities ' subsequent to the removal of the remediation system compound. Field Activities ' Between January 10 and February 2, 2012, 89 site-related groundwater monitoring and remediation wells were destroyed in accordance with SJCEHD approved methods and procedures and under the ' observation of SJCEHD representative, Mr. Johnny Yoakum. All work was completed in compliance with San Joaquin County Well Ordinance Section 13.6.1 which requires that a registered geologist or engineer provide field oversight for well destruction operations. The specific well destruction method ' used for each well is shown in the following table: MethodWell Destruction Well ID ' Destruction by drilling out 2- and 4-inch- MW-2 MW-11 MW-16 MW-32 diameter polyvinyl chloride (PVC)wells AS-33 VEW-IA/B VEW-2A/2B B VEW-3AVEW-4A/B VEW-5AB ' Destruction by pressure grouting and MW-I MW-3 MW-4 MW-5 installing a `mushroom cap' on 2- and 4- MW-6 MW-7 MW-8D MW-9R inch-diameter PVC wells MW-10 MW-10A MW-12 MW-13 ' MW-14 MW-14A MW-15R MW-17 MW-18 MW-18D MW-19S MW-19D MW-21S MW-21D MW-22S MW-22D MW-23S MW-23D MW-24S MW-24D ' MW-25S MW-25D MW-27 MW-28 MW-29 MW-30 MW-31 AS-15 AS-26 VEW-16 VEW-19 VEW-22 t Destruction by overdrilling nested 2- and 3- VEW-6AB VEW-7A/B VEW-8AB inch diameter PVC wells VEW-9AB, VEW-10A/B VEW-I IA/B VEW-12A/B VEW-13AB Destruction by overdrilling 1-inch-diameter AS-14 AS-17 AS-18 AS-20 AS-21 PVC wells Destruction by drilling out '/4-inch-diameter SV-1 SV-2 SV-3 ' nylon tubing wells Destruction by overdrilling '/4-inch-diameter SP-IAB SP-2 SP-3 SP-4 ' Teflon tubing wells SP-5 SP-6 SP-7A/B SP-8 Project No.59482-06-02 -2- March 30,2012