DEPARTMENT
Infrastructure Division
AGENDA NO.
6d
MEETING DATE
November 10, 2025
AGENDA ITEM
Public Utilities Commission
City and County of San Francisco
Calendar: Consent Calendar
Project Manager: John Wong
Approve Increase to the Duration Contingency for Contract No. WW-725, Various Locations Sewer Replacement No. 14
Summary of Proposed
Commission Action:
Approve an increase of 76 calendar days to the duration contingency for Contract No. WW-725, Various Locations Sewer Replacement No. 14, with JDB & Sons Construction, Inc., for a revised duration limit of 617 calendar days (approximately one year and eight months), to allow for additional time to complete all contract work due to differing and unforeseen site conditions, with no change to the contract amount or amount contingency.
Background: The San Francisco Public Utilities Commission (SFPUC) Wastewater Enterprise inspected the existing sewers on the subject streets listed below within the City and County of San Francisco and determined they are at risk of failure and should be replaced.
On April 9, 2024, by Resolution No. 24-0086, the Commission awarded Contract No. WW-725, Various Locations Sewer Replacement No. 14, to JDB & Sons Construction, Inc. The original contract amount was $7,987,500, and the original contract duration was 492 consecutive calendar days.
Scope of Contract: The contract work locations are in the City and County of San Francisco, including:
• Winston Drive Easement, from Broadmoor Drive to Junipero Serra Boulevard;
• 14th Avenue, from Balboa Street to Anza Street;
• 14th Avenue, from Fulton Street to Cabrillo Street;
• 16th Avenue, from Irving Street to Lincoln Way;
• 5th Avenue, from Judah Street to Irving Street;
• 6th Avenue, from Anza Street to Geary Boulevard;
• California Street, from Laurel Street to Walnut Street; • Marina Boulevard, from Webster Street to Beach Street; • Chestnut Street, from Columbus Avenue to Mason Street; • Jackson Street, from Octavia Street to Gough Street;
• Buchanan Street, from Bush Street to Sutter Street;
• Post Street, from Franklin Street to Van Ness Avenue; • Starr King Way Easement, from Gough Street to Franklin Street; • Alameda Street, from Harrison Street to Treat Avenue; Agenda Title: WW-725, Various Locations Sewer Replacement No. 14 Commission Meeting Date: November 10, 2025
• Treat Avenue, from Mistral Street to 19th Street;
• San Jose Avenue, from Guerrero Street to Duncan Street; • 30th Street, from Noe Street to Harper Street;
• Dolores Street, from San Jose Avenue to Day Street; and, • Park Street, from Leese Street to Holly Park Circle.
The contract work consists of:
• Replacing existing sewers with approximately 6,378 linear feet of 12- inch diameter, 15-inch diameter, and 21-inch diameter vitreous clay pipe and 221 linear feet of 12-inch diameter and 14-inch diameter high-density polyethylene pipe; and
• Cured-in-place lining of approximately 1,446 linear feet of existing 8-inch diameter, 12-inch diameter, and 15-inch diameter sewers.
Modifications to the
Contract:
Modification No. 1: The SFPUC issued Modification No. 1 within the original contingencies, to allow for additional pavement restoration work and increasing bid item quantity to match actual quantity completed, increasing the contract amount by $350,075 and extending the contract duration by five calendar days , for a revised contract amount of $8,337,575 and a revised contract duration of 497 consecutive calendar days.
Recommended Increase to Duration Contingency: Staff recommends the Commission increase the duration contingency by 76 calendar days, to allow for additional time to complete all contract work due to differing and unforeseen site conditions, for a revised duration limit of 617 calendar days, with no change to the contract amount.
Funding and Costs: Funding Source: Project No. 10038001, Various Locations Sewer Replacement No. 14
Original Contract Amount: $7,987,500
Original 10% Cost Contingency: $798,750
Approved Increase to Cost Contingency: $0
Modified Increases to Contract Amount: $350,075
Total Current Contract Amount: $8,337,575
Requested Additional Cost Contingency: $0
Total Cost Limit: $8,786,250
Schedule: Notice-to-Proceed Date: June 24, 2024
Original Contract Duration: 492 consecutive calendar days Original 10% Duration Contingency: 49 calendar days
Approved Increase to Duration Contingency: 0 calendar days Modified Increases to Contract Duration: 5 calendar days Total Current Contract Duration: 497 consecutive calendar days Requested Additional Duration Contingency: 76 calendar days Total Duration Limit: 617 calendar days
Agenda Title: WW-725, Various Locations Sewer Replacement No. 14 Commission Meeting Date: November 10, 2025
Local Business
Enterprise Utilization
and Non-
Discrimination in
Contracting:
The Contract Monitoring Division established a 15% Local Business Enterprise (LBE) subcontracting requirement for this contract. The contractor committed to a 15.40% LBE subcontract or participation with its bid submittal, and this amount remains unchanged.
Agenda Title: WW-725, Various Locations Sewer Replacement No. 14 Commission Meeting Date: November 10, 2025
WW-725, Various Locations Sewer Replacement No. 14 Location Map
PUBLIC UTILITIES COMMISSION
City and County of San Francisco
RESOLUTION NO.
WHEREAS, The San Francisco Public Utilities Commission (SFPUC) Wastewater Enterprise inspected the existing sewers on the subject streets in the City and County of San Francisco and determined that they needed to be replaced; and
WHEREAS, On April 9, 2024, by Resolution No. 24- 0086, the Commission awarded Contract No. WW- 725, Various Locations Sewer Replacement No. 14, to JDB & Sons Construction, Inc.; and
WHEREAS, The original contract amount was for $7,987,500 and the original contract duration was 492 consecutive calendar days; and
WHEREAS, The contract Notice-to-Proceed date was June 24, 2024; and
WHEREAS, Modification No. 1 increased the contract amount by $350,075 and extended the contract duration by five calendar days, both within the original contingencies, to allow for additional pavement restoration work and increasing bid item quantity to match actual quantity completed, for a revised contract amount of $8,337,575 and a revised contract duration of 497 consecutive calendar days; and
WHEREAS, Staff recommends an increase of 76 calendar days to the duration contingency, to allow for additional time to complete all contract work due to differing and unforeseen site conditions, for a revised duration limit of 617 calendar days, with no change to the contract amount; and
WHEREAS, The Contract Monitoring Division established a Local Business Enterprise (LBE) subcontracting requirement of 15% for this contract, the contractor committed to an LBE subcontractor participation of 15.4% in its bid submittal, and this remains unchanged; and
WHEREAS, Funds are available from Project No. 10038001, Various Locations Sewer Replacement No. 14; now, therefore, be it
RESOLVED, That this Commission hereby approves an increase of 76 calendar days to the duration contingency for Contract No. WW-725, Various Locations Sewer Replacement No. 14, with JDB & Sons Construction, Inc., for a total duration contingency of up to 125 calendar days, with no change to the contract amount; and be it
FURTHER RESOLVED, That this Commission hereby authorizes the General Manager, or the General Manager’s designee, to approve any future modifications to the contract duration, for a total duration limit of 617 calendar days.
I hereby certify that the foregoing resolution was adopted by the San Francisco Public Utilities Commission at its meeting of November 10, 2025.
Director of Commission Affairs
San Francisco Public Utilities Commission