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Award Bid - 2024 Sewer and Manhole Rehabilitation Proj No. 122-019 - Visu-Sewer, LLC
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Award Bid - 2024 Sewer and Manhole Rehabilitation Proj No. 122-019 - Visu-Sewer, LLC
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7/23/2024 1:30:27 PM
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Board of Public Works
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Projects
Document Date
7/23/2024
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RECOMMENDED <br />LATERAL REINSTATEMENT PROCEDURES <br /> <br />"Lateral Reinstatement" is the process of re-instating service connections <br />of lateral lines connecting to the line segment where CIPP has been <br />installed. This process entails the cutting of the CIPP liner that has covered <br />the service connection during installation. <br />Lateral Reinstatement - Mechanical <br /> <br />Initial Preparation. Select and test appropriate cutting tool for the application at hand. <br /> <br />Job Site Preparation. Arrive at job site and place cutting van over correct manhole. Set <br />up traffic control according to Traffic Control Plan. Set Bypass according to Bypass Plan.( <br />If it is needed.) Next, set up and power camera and cutter to verify they are in proper <br />working order. Place camera and cutter in line segment. <br /> <br />Cutting Laterals. Zero footage counter and start recording. Move camera and cutter to <br />predetermined footage for service to cut. Verify footage with evaluation tape. Adjust <br />cutter to correct clock position for service (ex: 3 o'clock) and cut service. Once the <br />service is cut, fill out "Lateral Reinstatement" form. If the line segment has multiple <br />service connections, continue steps listed above until all services in line segment are cut. <br /> <br />Completion. When all services in line segment are cut, remove cutter from line. A Post <br />CCTV inspection is taken of the entire line segment. Clean the job site and submit <br />Completion Notices. <br /> <br />Lateral Reinstatement- Man-Entry <br /> <br />Note: National Liner personnel shall comply to all local, state and federal <br />regulations pertaining to confined space entry. <br /> <br />Cutting service connections on large diameter pipe are done by a man entering the pipe <br />and cutting the tap with pneumatic-powered cutting devices. <br /> <br />Initial Preparation. Select appropriate cutting tool for the application at hand. <br /> <br />Job Site Preparation. Arrive at job site and place cutting van over correct manhole. Set <br />up traffic control according to Traffic Control Plan. Set Bypass according to Bypass Plan. <br />Next, set up and power camera and cutting equipment and verify they are in proper <br />working order. Test atmosphere of manhole for gasses and oxygen content. Record <br />readings on "Confined Space Entry" form. Start air blower and ventilate manhole. <br /> <br />Reinstating Laterals. Zero footage counter and start recording. Using approved safety <br />equipment, a man enters the manhole and moves to predetermined footage for service to <br />cut. Verify footage with evaluation tape. After finding service connection, the service is <br />cut. Document that each live service has been reinstated. If the line segment has <br />multiple service connections, continue steps listed above until all services in line segment <br />are cut. <br /> <br />Completion. When all services in line segment are reinstated, remove man and <br />equipment. A Post CCTV inspection is taken of the entire line segment. Perform site <br />restoration per specifications or owner’s requirements. <br /> <br /> <br /> <br />
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