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Opening of Bids - 2024 Sewer and Manhole Rehabilitation Proj No. 122-019 - SAK Construction, LLC
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Opening of Bids - 2024 Sewer and Manhole Rehabilitation Proj No. 122-019 - SAK Construction, LLC
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7/9/2024 2:48:50 PM
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7/9/2024 2:47:57 PM
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Board of Public Works
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Projects
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7/9/2024
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CIPP Installation Outline – Construction Plan <br />Step-by-Step Installation Process <br />Step 1 <br />Clean Line <br />➢Run high pressure water jetter through the line to remove any dirt, silt or other debris prior <br />to lining. Remove protruding laterals if necessary. <br />Step 2 <br />Pre - CCTV Line <br />➢Run Closed Circuit Camera through the entire length of the line to ensure there are no <br />obstructions that could impede the installation of the liner. Assess pipe, locate cracks and <br />holes, protruding laterals, and all live service connections. <br />Step 3 <br />WetOut Tube <br />➢Vacuum impregnation of the felt liner with thermo catalyst resin. <br />Step 4 <br />Transport Tube <br />➢Tube transported via Refrigerated Truck to keep the tube malleable prior to installation. <br />Step 5 <br />Inversion of the Liner <br />➢Inversion equipment set up over the manhole <br />➢End of line is pulled from the truck and attached to the shooter. <br />➢By use of Hydrostatic Pressure or Air Pressure, the liner is inverted in on itself (much like <br />pulling a sock inside-out) to conform to the interior of the existing line. <br />Step 6 <br />Curing of the Liner <br />➢Once line is completely inverted into the existing line, the shooter is connected to the boiler <br />truck to initiate the cure process. <br />➢Hot Water or Steam is cycled through the line setting off the resin to start the cure process. <br />➢Internal atmosphere of the liner is maintained, per specification, at the required <br />temperature and time to fully cure the tube, end result is a jointless pipe running the full <br />length of the line from manhole to manhole. Finished product has similar characteristics of <br />your typical PVC pipe. <br />Step 7 <br />Cool down <br />➢Once the liner has cured, water/air is cycled through for a specified cool down time, to <br />ensure quality. <br />// PLAN FOR PROPOSED WORK <br />C!IPIP !n§ita1!iarill0ln OUJit!!rne = (C(Q)n§ittrUJtit!(Q)n IP!a1n <br />Sitte[P)=lby=Sitce[P) I Wll§ita1 I !a1it!(Q)W1J !Ptr(D)tce~ <br />§te!PJ 1 <br />§te!PJ 3 <br />§tte1PJ7
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