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<br />CITY OF SUNNY ISLES BEACH SECTION 01000 - 4 <br />SUMMARY OF WORK <br /> <br />Coordinate with the ENGINEER and the OWNER to ascertain if CONTRACTOR is to <br />proceed with the cleaning and removing of sludge /debris. <br /> <br />D. Clean-out the Concrete Well Structure and Open Hole Well Casing: The CONTRACTOR <br />shall clean-out (remove all sludge) the concrete well structure and open borehole from <br />the base of the well casing for the total well depth to the satisfaction of the ENGINEER <br />and OWNER. This is to include all necessary equipment, materials and labor needed to <br />complete the work. <br /> <br />E. Well Development (Including airlift, jetting with simultaneous airlift, and pump <br />development): The CONTRACTOR will provide all pumps, motors, air compressors, <br />surge tanks, discharge hoses and/or pipes, and other ancillary equipment needed to <br />develop each production well to the extent that, as practical, suspendable solids have <br />been removed from the open hole, well bore, screen in accordance with Section 03500. <br />A daily development log (example provided in Appendix A) must be recorded daily and <br />submitted to the ENGINEER and OWNER for approval of development performed. This <br />line item cost is to include all necessary equipment, materials and labor needed to <br />complete the work. <br /> <br />F. “After” Downhole Video: CONTRACTOR to videotape the condition of the existing well <br />casing to determine if the cleanout procedure is acceptable to the OWNER and the <br />ENGINEER. In addition, the CONTRACTOR to ascertain with the approval of the <br />OWNER and the ENGINEER that the existing well casing has maintained its integrity and <br />its function has not been compromised. If damage to the existing casing is detected in <br />the video, the CONTRACTOR will proceed to install 20” PVC Schedule 40. <br /> <br />G. Install New 20-inch Diameter PVC Liner Casing: The CONTRACTOR will supply and <br />install the specified amount of PVC liner in the well in accordance with Section 03200. <br />This work shall include, but not be limited to:20-inch diameter Schedule 40 PVC liner <br />casing installed for the full depth of the existing well casing. Actual casing depths will be <br />determined by field measurement. <br /> <br />H. Grout 20-Inch Liner: Following liner placement, CONTRACTOR to grout the annular <br />space between the 20-inch diameter liner and the existing 24-inch diameter well casing <br />with neat cement using the “tremie” method. <br /> <br />I. Perform “Well Yield” Test: CONTRACTOR to perform a well yield test to assure that the <br />original design production rate of 600 gpm/ft head has been achieved. Additional well <br />development may be needed until that rate is achieved to the satisfaction/approval of the <br />OWNER and ENGINEER.