DWS-965 / 500218 - INSPECTION & REPAIR OF CAVE-IN SEWERS (AS NEEDED) IN THE CITY OF DETROIT

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.

• 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.