Project Name: Sewer Cleaning & Pipeline Assessment

This contract serves as a contracting mechanism to complete necessary cleaning and assessment of linear sanitary sewers on an as-needed basis to supplement and support DWM Linear Operations. The continued survey and assessment of the wastewater system is necessary to remain in compliance with the First Amended Consent Decree and to prescribe upgrades and improvement measures for the elimination of sanitary sewer overflows.

The contract will allow for adequate conveyance capacity for existing and new customers and leads to improved treatment capacity at the water reclamation facilities. Planned, systematic cleaning and assessment of the sewer system minimizes blockages in pipes, which preserves the structural integrity and service life of the pipe. The project will provide a balanced preventive maintenance program that allows leveling of operational demands and resources.

The scope of the project includes:

• Inspecting pipes using closed-circuit television (CCTV)
• Heavy cleaning
• Chemical root treatment
• Smoke and dye testing
• Installing sewer cleanouts

Justification:

• Reduces Infiltration/Inflow or extraneous flows into the sewer system
• Addresses Consent Decree requirements
• Increases protection of our receiving waters and reduced threat to public health and safety
• Provides needed capacity in some parts of the system by removing silt and debris from sewers

Project Type: Wastewater Collection
Project Start: 08/12/2016
Proposed Construction Start: TBD
Scheduled Completion: 7/12/2022
Project Budget: $9,000,000
Council District(s): Citywide
NPU(s): Citywide
Project Status / Phase: Inactive / Closeout