CITY COUNCIL AGENDA ITEM
Memo Date: January 30, 2020
Agenda Date: February 26, 2020
Prepared By: Melinda M. Keesee, Field Operations Technician
Through: Chris M. Collier, Assistant Utilities Director
Through: John A. Walsh, P.E., Utilities Director
Requested Action:
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To Approve Participation in a Cooperative Purchase Agreement with Insituform Technologies, LLC for Cured in Place Pipe (CIPP) Rehabilitation Services and Sanitary Sewer Mid-Term Cleaning & CCTV Inspections of Main Line Sewers Utilizing the City of Daytona Beach Contract No. 0118-2600 effective February 7, 2019 through September 18, 2020
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BACKGROUND:
In FY2015, CDM Smith completed a thorough analysis of the assessment data obtained during the FY2014 RedZone Robotics, Inc. CCTV inspection process. As part of this analysis, a detailed plan was developed to systematically address broken sewer piping over a six-year period beginning in FY2016. Rehabilitation and replacement was recommended for individual pipe segments based on structural operation and maintenance (O&M) concerns. These recommendations were formed based on the severity of defects, potential for defect progression, and consequence of failure. Rehabilitation and replacement recommendations were then prioritized and grouped to develop various projects. An implementation plan was formed to clean and repair sewer lines based on consequence of failure, risk of failure, available funding, and pipe segment geographic location.
To maintain the integrity of the sanitary sewer system with minimal construction and disturbances, sewer mains are able to be rehabilitated through a trenchless "cured-in-place-pipe" (CIPP) method installed through existing manholes. This installation process lines the selected sewer mains with a flexible liner which when heated, forms into a hardened fiberglass "pipe" that replaces the broken pipe from the inside of the pipe. As a result of this process, the carrying capacity of the sewer main...
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