CITY COUNCIL AGENDA ITEM
Memo Date: February 4, 2021
Agenda Date: February 23, 2021
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 VacVision Environmental LLC (A Vortex Company) for Manhole Rehabilitation Services Utilizing the HGACBuy (Houston-Galveston Area Council) National Cooperative Purchasing Contract 018-00382 Effective July 1, 2018 through June 30, 2021 in the amount of $162,765; To Approve a Resolution Authorizing the City Manager to Approve Change Orders in an Amount Not to Exceed $16,277 (approximately 10%) for a Project Total of $179,042, Project No. WS19MH
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BACKGROUND:
In FY19 the City of Cocoa Utilities Department, Carollo Engineers, and RedZone Robotics, Inc. (RedZone) completed a comprehensive sanitary sewer manhole assessment program that included a comprehensive evaluation of the condition of manholes and development of a capital improvement program for manhole rehabilitation and replacement. During this process, CCTV data of the City's sanitary sewer manholes (approximately 1,900 manholes) was captured and thoroughly reviewed utilizing the nationally recognized standard Manhole Assessment and Certification Program (MACP) coding process created by the National Association of Sewer Service Companies (NASSCO). Carollo Engineers, Inc. subsequently provided a comprehensive review of the manhole conditions based on RedZone's CCTV data. As part of this analysis, a comprehensive plan was developed to address the manholes that are in need of repair and rehabilitation on an annual basis.
Rehabilitation of the critical manholes was recommended based on the severity of defects, potential for defect progression, consequence of failure, and geographical location. Coating the inside of the manhole structure to provide complete stru...
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