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impacl have five to 12'mon~ioSng wells. Removal of remediation system components is <br />esfinaated by labor required. <br /> <br />Personnel Costs $ 7,955 <br />Driller Mob, Rig, Equipment, P & A Costs $ 19,590 <br />Waste Disposal $ 2,068 <br />Travel Costs (four days field work) $ 1,2 l0 <br /> <br />Total iEstimate, LPST Site Closure <br /> <br />$ 30,824 <br /> <br />This cost estimate is predicated on City of San Marcos personnel being usext to remove all <br />above-ground remediatinn system equipment at the City's cost, and without *pecific direction <br />from Chapman Engineering personnel. We also do not intend to locate or remove any <br />m~der~oand piping that may connect recovery wells to remediation systems. Any piping that <br />extends below grade from remedisfion system equipment should be cut and capped by City <br />personnel. If recovery trenches are still open - that is, no competent paving or other surface seal <br />is in place - the City of San Man:os should lay back existing paving at least one foot around each <br />opening, then place a six-inch, or thicker re[nfomed concrete slab over each trench to seal it from <br />surface water infiltration. This will also serve as a good-quality driving and pm:king surface. <br /> <br />It is my opinion that TCEQ will not consider a proposal and preapproval ~:equest for <br />reimbursement of these costs to the City. If you wish for us to take that approach and submit this <br />proposal, with detailed cost breakdown infommtion, we can do so. <br /> <br />We will schedule th.c site closure wm'k upon your approval of the scope and estimated costs, and <br />wh,n given, your notice to proceed. As Mth earlier drilling work, we will request two-thirds of <br />the total cost estimate one we~k before w~ll plugging and abandonment work commence~. <br /> <br />For quesfians or eommants, please contact me at 830-816-3311. <br />President and Project Manager, TNRCC CAPM00255 <br /> <br />CCC/~Lm <br /> <br />2 <br /> <br /> <br />