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S <br /> December 29, 1986 <br /> Mr. Harry Moore <br /> Twining Laboratories, Inc. <br /> 2527 Fresno Street <br /> Fresno, CA 93721 <br /> SUBJECT: CHANGE ORDER REQUEST FOR SECTION 9.5.8.1 OF SPECIFICATION <br /> #RGS-0295-86 PG&E STOCKTON SERVICE CENTER <br /> Dear Mr. Moore: <br /> This letter constitutes a formal request to change order the method <br /> described for disposal of the underground tanks at the PG&E Stockton <br /> service center per Section 9.5.8.1 of the specifications. The alternative <br /> method for disposal of the tanks is described in the following work plan. <br /> Work Plan <br /> SCOPE OF WORK <br /> 1. Work Plan: There are three underground storage tanks at the <br /> PG&E Stockton service center. The size and material stored in each <br /> tank is as follows: One 10,000 gallon transformer oil tank, one <br /> 750 gallon hydraulic oil tank; one 250 gallon waste oil tank. The <br /> scope of work is to remove the tanks from the excavation, clean and <br /> cut up each tank, and dispose of all materials generated by the tank <br /> ✓ disposl process (tank pieces to scrapper, hazardous waste to approved <br /> TSDF). <br /> 2. Preparation: After the tanks have been pumped out and removed from <br /> the excavation, dry ice will be placed in each tank for gas-freeing as <br /> described in Section 9.5.5 of the specifications. <br /> strategic <br /> Organizational <br /> Systems <br /> Environmental <br /> Engineering <br /> California <br /> Division,Inc. <br /> 270 oyster Point Boulevard <br /> South San Francisco <br /> Cal torula <br /> 94p86 <br /> 415 872-0663 <br /> 8W 223-8597 <br />