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E Basin (South Basin) Sewer Rehabilitation

Map of project area.Project Type: 

Sewer Inspection, Cleaning, and Rehabilitation

Approximate Construction Start & End Dates:

Inspection and Cleaning: February 2021- August 2021

Construction: TBD

Project Status:

Condition assessments and video inspections of the City’s sewer mains and manholes are underway. The video inspections are being performed using a remote-controlled camera, to help the City check the condition of the pipes and obtain information that will enable the City to identify defects in the collection system for future repair.

Project Location:

E Basin covers the southern portion of San Mateo, including the Beresford/Hillsdale, Westwood Knolls, Laurelwood, and Sugarloaf neighborhoods (see map).

Project Description:

San Mateo’s stormwater and wastewater collection system includes a network of 240 miles of pipeline divided into five major sewer basins. The City’s Public Works Department (PWD) performs thorough condition assessments of the sewer system, tracks the condition of the system, and performs routine maintenance of the pipes.

A condition assessment is the first step toward finding cost-effective and technically feasible fixes to minimize inflow and infiltration.

Video inspections are conducted using a remote-controlled camera, to help the City check the condition of the pipes, obtain information that will enable the City to identify problem areas, and plan for future rehabilitation and repair, such as spot repairs, lateral repairs, pipe lining, segment repairs, manhole repairs, etc.

The E Basin (South Basin) Sewer Rehabilitation project includes cleaning and video inspection of:

  • approximately 206,000 linear feet of pipe in the public right-of-way
  • 49, 000 linear feet in easements on private property,
  • approximately 1300 manholes in the public right-of-way, and 110 manholes in easements on private property.

Repairs and replacements are needed to maintain the proper operation of the system, to meet regulatory requirements, and to prevent sewer overflows.

Presidio Systems, Inc. has been hired by the City to conduct the cleaning and video inspection. Work is scheduled to occur between 7:30 AM and 4:30 PM, Monday through Friday. On occasion, weekend work and night work may be required. Affected residents and business owners will receive advance notice about the work.

Engineer Firm Name:

Schaaf & Wheeler

Constructor Name:

Presidio Systems Inc.

Contact:

Contractor: Presidio Systems Inc. Project Manager, Alex Negrete, 925.683.4837

CWP Project Manager: Laura Webb, 650.522.7322, lwebb@cityofsanmateo.org