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Mr. Marty Hartzell . <br /> . Page 9 of 10 <br /> I• Destroy existing vapor extraction wells under permit from San Joaquin County Department of <br /> Environmental Health by pressure grouting each well prior to removing the upper 3-5 feet of <br /> casing and well box. <br /> 2. Remove any solid or liquid waste associated with past investigations for disposal at an <br /> appropriate landfill. <br /> 3. Prepare the ground surface for the asphalt cap by grading the ground surface, including <br /> compaction as appropriate. The ground surface would be graded to promote surface drainage <br /> via sheet flow toward Jackson Avenue to the east. <br /> 4. Apply the asphalt cap (3-inch minimum thickness) over the affected area. The area to be <br /> capped would include the entire driveway in the northern portion of the property, extending <br /> from the sidewalk fronting Jackson Avenue on the east to the utility shed located west of the <br /> former tank location, and from the property boundary on the north to the chain link fence that <br /> separates the yard to the south (Figure 5). <br /> The timeframes estimated for completion of the tasks listed below do not include bid solicitation nor do <br /> they include the time required for UST Fund pre-approval. <br /> TASK TIME REQUIRED FOR COMPLETION <br /> 1)Permit and destroy wells VW1 and VW2 1 Month <br /> 2)Remove all waste generated during investigations 1 Month <br /> 3)Prepare ground surface for cap/grading 3 Months <br /> 4) Engineer and install cap 3 Months <br /> TOTAL 6-8 Months <br /> Please feel free to contact Ground Zero at your earliest convenience if you have any questions <br /> regarding this submittal. <br /> Respectfully, �AED G <br /> Ground Zero Analysis, Inc. <br /> N <br /> • LmlNE <br /> U, No. 6795 - <br /> John P.Lane -yam <br /> CA Registered Geologist 6795 <br /> OF C A1.�F <br /> Attachments <br /> cc: Ms. Vicki Mello <br /> Ms. Lori Duncan, San Joaquin County DEH <br /> p,VnyIGROUIVD�BtigmaleVtepnrtlV E[RpC,doe <br />