534107 / DWS-971 - AS NEEDED CATCH BASIN INSPECTION, REPAIR AND REPLACMENTS

The Project may include the following Work as issued by DWSD on an as-needed basis:
 

1. Sewer inspection by means of closed-circuit television (CCTV) and/or multi sensor platforms.

2. Cleaning and rehabilitation of circular and non-circular storm and sanitary sewers up to 72-inch in size.
3. Conducting Laser and Sonar sewer inspection and submitting for DWSD’s review the accompanying PACP reports and profiles of the multi sensor sewer inspection. The Contractor shall also provide DWSD any/all software required to read and manipulate the multi sensor reports and data submitted with the reports.

4. When directed, perform review of video inspection and recommend 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.

5. 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 a new pipe.
6. Providing earth retention shafts and insertion and access pits, as needed, for manned or unmanned access to the sewer or point repairs.
7. Providing manhole inspection, cleaning, repairs, and replacements including structure repair, grouting, lining, and restoration work.
8. Performing dye testing of sewer laterals, sewer structures, and cave-ins to determine connectivity and infiltration.
9. Performing site cleanup and restoration including surface restoration of pavement, curbs, sidewalks, driveways, and lawn restoration.
10. Additional work as defined in the bid schedule and measurement and payment descriptions.