To: MAYOR AND CITY COUNCIL
From: ANDREW WINJE, PUBLIC WORKS DIRECTOR
TITLE
title
APPROVE AN AGREEMENT WITH TORO ENTERPRISES, INC., A CALIFORNIA CORPORATION, IN AN AMOUNT NOT TO EXCEED $378,875, TO PERFORM CRITICAL SEWER AND STORM DRAIN REPAIRS AT VARIOUS LOCATIONS IN THE CITY FOR A TERM THROUGH SEPTEMBER 16, 2028
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EXECUTIVE SUMMARY
Through planned inspections and field observations, Public Works personnel have identified various roadway locations in the City that require urgent storm drain and sewer point repairs due to sinkholes, pipe invert failure, and other defects. These repairs are critical to prevent roadway damage, reduce flooding risks, maintain reliable sewer service, and avoid potential National Pollutant Discharge Elimination System (NPDES) violations.
To perform the necessary repair work, staff contacted contractors with utility infrastructure construction experience and obtained three quotes/proposals. After reviewing the quotes, Toro Enterprises, Inc. was determined to have submitted the most competitive proposal of $303,100 and is available to perform the work according to the City’s preferred timeline. Staff recommends adding a 25% contingency ($75,775) in accordance with APP 14.1, which brings the not to exceed total of the recommended agreement to $378,875. Use of the contingency, which requires written authorization by the City Engineer, will allow Toro to address unforeseen circumstances encountered in the field.
Approval of this contract award will allow the City to promptly repair these high-priority locations, protect public infrastructure, and ensure continued compliance with regulatory requirements.
BACKGROUND
The City’s aging storm drain and wastewater conveyance systems routinely receives preventative maintenance and rehabilitation at high-priority locations. Occasionally, unforeseen pipe degradation occurs, resulting in a need for more urgent repairs, ideally addressed as soon as possible to avoid complete pipe failure and secondary impacts. The risks associated with these failures include sanitary sewer overflows, sinkholes, roadway collapse, and other public health and safety concerns.
Many of these rehabilitation locations involve corrugated metal pipe (CMP) storm drains that are older than their estimated service life. Historically, CMP was used as an inexpensive means for providing stormwater drainage; however, as these pipes age, they can become highly susceptible to corrosion and eventual failure. This can result in soil collapse, flooding, and sinkholes forming under pavement. The City still has a large inventory of aging CMP storm drain in place that staff is working to replace or rehabilitate.
To manage these risks, staff regularly inspects CMP storm drains and has developed a cured-in-place pipe (CIPP) lining program to repair and extend the service life of these pipes by 20 to 30 years. Staff prioritizes repairs based on the level of deterioration and available funding. Several years ago, the City Council approved the Citywide CIPP Lining Program, thereby creating a structured framework for the systematic rehabilitation of high-priority sewer and storm drain facilities. Since its implementation, the program has successfully rehabilitated thousands of linear feet of deteriorated sewer and storm drain systems, including difficult-to-access locations, such as easements and rights-of-way. However, certain pipe segments have proven to be beyond rehabilitation and must be addressed with point repairs.
Recent inspections and field assessments identified two sinkholes caused by CMP failures, a sewer line blockage due to utility intrusion, and a break in an existing sewer main. These conditions require immediate corrective action to stabilize the system, safeguard adjacent infrastructure, and restore reliable service in advance of the upcoming rainy season. The scope of work for repair generally includes trenching, excavation, shoring, replacement of damaged CMP with vitrified clay pipe (VCP), backfill and compaction, surface restoration, and traffic control. Staff has initiated the Caltrans encroachment permit process for work within Caltrans right-of-way on PCH for one of the locations.
The following immediate repairs have been identified by City staff:
• Location 1 - 1626 Dixon Avenue - 18-inch CMP storm drain point repair (~10 LF)
• Location 2 - Ormond & Steinhart - 18-inch CMP remove and replace (~6 LF)
• Location 3 - PCH & Knob Hill Avenue - 8" VCP sewer main point repair within Caltrans right-of-way
• Location 4 - 2000 block of Marshallfield Avenue - 8" VCP sewer main point repair
These repairs were identified through CCTV inspections, evidence of sinkhole development, and field assessments conducted by the Public Works Department. If left unaddressed, these failures would pose a hazard to public safety, threaten nearby infrastructure, and could result in regulatory non-compliance with the City’s storm drain and sewer system permits.
COORDINATION
This project has been fully coordinated with Caltrans by the Public Works’ Engineering and Maintenance Divisions. The Agreement has been approved as to form by the City Attorney’s Office.
FISCAL IMPACT
Funding for this Agreement is available in the City’s adopted Capital Improvement Program per the following table.
|
Funding |
|
|
Expenditures |
|
|
Sanitary Sewer Facilities Rehab Project #50150 |
$107,500 |
|
Estimated Cost |
$303,100 |
|
Drainage Improvement Project #60260 |
$271,375 |
|
Contingency |
$75,775 |
|
|
|
|
|
|
|
Total |
$378,875 |
|
Total |
$378,875 |
APPROVED BY:
Mike Witzansky, City Manager
ATTACHMENTS
• Agmt - Toro Enterprises, Inc.
• Quotation Summary Results
• Maps - Project Locations
• Insurance - Toro Enterprises, Inc.