Inspection and Repair of Cave-in Sewers (As Needed)

The work, as specified in this Request for Bids (RFB) / Project #DWS-965, may consist of the following, throughout the City of Detroit, on an as-needed basis: Sewer inspection by means of closed-circuit television (CCT) and/or multi sensor platforms. Cleaning and rehabilitation of circular and non-circular storm and sanitary sewers up to 72-inch in size by method of spray lining cementitious grouting, and chemical grouting, When directed, conducting Laser and Sonar sewer inspection. This task will only be performed when requested and will not occur for all sewer inspection. When directed, performing review of video inspection and recommending repair methods including design calculations and backup for the repair method chosen. This task will only be performed when requested and will not occur for all sewer inspection. Repairing sewer cave-ins and point repairs of circular and non-circular storm and sanitary sewers by open-cut method of excavating the damaged portion of the pipeline and replacing it with new piping, Providing earth retention shafts and insertion and access pits for manned or unmanned access to the sewer or point repairs, When directed, providing manhole inspection, cleaning, repairs, and replacements including structure repair, grouting, lining, and restoration work. This task will only be performed when requested and will not occur for all sewer inspection. Performing dye testing of sewer laterals, sewer structures, and cave-ins to determine connectivity and infiltration, Performing site cleanup and restoration including surface restoration of pavement, curbs, sidewalks, driveways, and lawn restoration, and Any additional work as defined in the bid schedule and measurement and payment descriptions. The project is for an estimated term of 730 calendar days. General Requirements - Bid Deposit Required - Certification/Training - Federally Funded - FOB Destination - Installation Required - Insurance Required - Safety Standards Plan Bonding Requirements - Bid Bond 5 % - Performance Bond 100 % - Payment Bond 100 % - Warranty Bond 10 % Job Location Detroit, MI (various locations) Question Acceptance Deadline 09/16/2022 02:00 PM EDT Questions are submitted online Yes

Division 01 -	General Requirements.
Division 10 -	Specialties.
Division 11 -	Equipment.