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RFP 2025006 - West Regional WWTF Clarifiers 1 and 2 Cost Proposal Form - Addendum 1 <br />Table A-3 outlines an additive alternate cost for complete abrasive blasting and recoating of all interior and launder surfaces of both basins. The <br />Owner will implement the scope of Table A-3 and the Proposer's listed prices if extensive damage to the basin interior is discovered during the Work. <br />Table A-3 must be filled out to be considered a complete proposal. <br />Table A-3: Additive Alternate - Interior Basin Repairs <br />ITEM <br />I DESCRIPTION <br />UNIT <br />UNIT PRICE <br /># <br />TOTAL <br />A. Interior Basin Renovation (by CCR) <br />1 <br />Pressure Wash — Inner walls and launders, 3500 psi <br />SF <br />$2.05 <br />8,500 <br />$17,425.00 <br />2 <br />Inspection — Inner walls and launders <br />SF <br />$0.51 <br />8,500 <br />$4,335.00 <br />3 <br />Leak injection — Inner walls and launders <br />LF <br />$436.68 <br />100 <br />$43,668.00 <br />4 <br />Sandblasting - Inner Walls and launders <br />SF <br />$21.77 <br />8,500 <br />$185,045.00 <br />5 <br />Major crack repair — Inner walls and launders <br />LF <br />$190.18 <br />100 <br />$19,018.00 <br />6 <br />Spall repair — Inner walls and launders <br />SF <br />$3.62 <br />8,500 <br />$30,770.00 <br />7 <br />Resurfacing minor cracks - Inner walls and launders <br />LF <br />$30.07 <br />100 <br />$3,007.00 <br />8 <br />Dual coating — Inner walls and launders <br />SF <br />$5.75 <br />8,500 <br />$48,875.00 <br />9 <br />RHemoval of water from basin as needed <br />LS <br />$8,857.00 <br />1 <br />$8,857.00 <br />TOTAL INTERIOR BASIN REPAIR <br />$361,000.00 <br />Table A-4 outlines an additive alternate cost for refinishing the grout floor of each clarifier. The Owner will implement the scope of Table A-4 if the <br />basin floors are not sloped regularly at 12:1 from the outer walls to the centers. The Owner may implement all or part of the listed scope. Table A-4 <br />must be filled out to be considered a complete proposal. The total cost of Table A-4 will be added to the base cost of Table A-2, if necessary. <br />Table A-4: Additive Alternate - Floor Resurfacing <br />ITEM <br />I DESCRIPTION <br />UNIT <br />UNIT PRICE <br /># <br />TOTAL <br />A. Floor resurfacing <br />1 <br />Pressure Wash — Basin floors, 3,500 psi <br />SF <br />$2.41 <br />7,700 <br />$18,557.00 <br />2 <br />Inspection and measurement of basin floors <br />SF <br />$1.20 <br />7,700 <br />$9,240.00 <br />3 <br />Removal of existing grout <br />SF <br />$11.00 <br />7,700 <br />$84,700.00 <br />4 <br />Apply grout to a slope of 12:1 <br />SF <br />$8.00 <br />7,700 <br />$61,600.00 <br />5 <br />RHemoval of water from basin as needed <br />LS <br />$8,903.00 <br />1 <br />$8,903.00 <br />TOTAL FLOOR RESURFACING 1 <br />$183,000.00 <br />Page 4 of 4 <br />