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VAN ANTWERP PROPERTY WATER SUPPLY RESTORATION <br />OPINION OF PROBABLE COST FOR, <br />NEW WELL 6 AND RETROFIT WELL 1 <br />ITEM NO. <br />I <br />ITEM DESCRIPTION <br />General Conditions/Mobilization/Demobilization <br />QUANTITY <br />1 <br />UNIT <br />LS <br />UNIT COST <br />5,395.00 <br />EXTENDED COST <br />$5,395.00 <br />2 <br />Furnish and install 12" Steel Casing and Grout to 100 Feet <br />1 <br />LS <br />5,000.00 <br />$5,000.00 <br />3 <br />Drill nominal 8" pilot hole to 340 feet <br />240 <br />LF <br />25.00 <br />$6,000.00 <br />4 <br />Perform geophysical logging of pilot hole <br />1 <br />LS <br />5,000.00 <br />$5,000.00 <br />5 <br />Ream 8" borehole.to nominal 12" to approx. 320 feet <br />220 <br />LF <br />40.00 <br />$8,800.00 <br />6 <br />Furnish and install 6" steel casing <br />320 <br />LF <br />25.00 <br />$8,000.00 <br />7 <br />Cement grout 6" steel casing in place <br />178 <br />94 LBS. <br />SACK <br />25.00 <br />$4,450.00 <br />8 <br />Drill nominal 6" borehole using reverse air method to approx. <br />500 feet <br />180 <br />LF <br />40.00 <br />$7,200.00 <br />9 <br />Develop well <br />12 <br />HR <br />250.00 <br />$3,000.00 <br />10 <br />Conduct step -rate pumping test <br />6 <br />HR <br />250.00 <br />$1,500.00 <br />11 <br />Perform complete video log <br />1 <br />LS <br />2,500.00 <br />$2,500.00 <br />12 <br />Site Restoration <br />1 <br />LS <br />2,500.00 <br />$2,500.00 <br />13 <br />Grundfos 150520-1 Pump Assembly (2 HP) <br />1 <br />EA <br />2,040.28 <br />$2,040.28 <br />14 <br />Grundfos SP 62S20-5 Pump Assembly (2 HP) <br />1 <br />EA <br />1,832.80 <br />$1,832.80 <br />15 <br />3" Certalok drop pipe <br />45 <br />LF <br />0.75 <br />$33.75 <br />—16— <br />2"-Certalok drop pipe _-_ .. ..__. __ <br />—45-- <br />-_LF <br />._..-_0.50— <br />$22.50 <br />17 <br />2'X2'X4" Concrete well pad <br />2.66 <br />CF <br />490.00 <br />$1,303.40 <br />18 <br />3" PVC pipe and Appurtenances <br />2 <br />LF <br />3.00 <br />$6.00 <br />PVC pipe and Appurtenances <br />2 <br />LF <br />2.00 <br />$4.00 <br />20 <br />4" Simmons Steel Well Seal <br />1 <br />EA <br />245.80 <br />$245.80 <br />173 <br />