DEPARTMENT
Infrastructure Division
AGENDA NO.
6c
MEETING DATE
July 8, 2025
Last updated: 05.03.2023
AGENDA ITEM
Public Utilities Commission
City and County of San Francisco
Calendar: Consent Calendar
Contract/Project Manager: Carman Luk
Approve Increase to Construction Cost Contingency for Contract No. WW-740, Various Large Diameter Sewer Inspection No. 2
Summary of Proposed
Commission Action:
Approve an increase of $800,000 to the cost contingency for Contract No.
WW-740, Various Large Diameter Sewer Inspection No. 2, with Pipe & Plant Solutions, Inc., for a total revised cost limit of $4,041,700, with no change to the contract duration, t o replenish the cost contingency and for unforeseen additional needs that may be encountered in the remainder of the contract work which may require additional large diameter sewer inspection or cleaning.
Background: The San Francisco Public Utilities Commission (SFPUC) Wastewater Enterprise (WWE) must inspect sewers to ensure a state of good repair. The WWE Collection System Division (CSD) has identified sewers in this project in need of inspection based on age, size, hydraulic capacity, and/or location. The purpose of this contract is to provide inspection services of these existing sewers to supplement WWE CSD staff’s on-going inspection work. The cleaning and inspection work will assist with the ongoing inspections/data gathering necessary for SFPUC WWE's Collection System Asset Management Program.
Under the contract, the contractor is performing large diameter sewer main inspection work, and as-needed cleaning for the purposes of inspection and condition assessment, in a cost-effective and time-efficient manner.
On November 12, 2024, by Resolution 24-0228, the Commission awarded Contract No. WW-740, Various Large Diameter Sewer Inspection No. 2, to Pipe & Plant Solutions, Inc., in the amount of $2,947,000 and with a duration of 425 consecutive calendar days.
Scope of Contract: The scope of work under this contract consists of inspection and as -needed cleaning of existing sewers using automated camera and camera inspection and multi -
sensor robotic inspection (sonar/lidar). The work is at various locations within the City and County of San Francisco as shown on the attached location map and list of inspection locations.
The contract work consists of:
• Mobilization and demobilization,
Agenda Title: WW-740, Various Large Diameter Sewer Inspection No. 2 Commission Meeting Date: July 8, 2025
• Traffic control,
• Camera inspection and/or multi- sensor robotic inspections of approximately 32,285 linear feet of existing main sewers equal to and larger than 36 inches in diameter,
• Camera inspection of sewer laterals, and, as -needed cleaning and debris removal, including handling, testing, transportation and disposal of collected debris to an appropriate disposal site.
Modifications to the
Contract:
Modification No. 1: Effective May 5, 2025, Staff issued Modification No. 1, increasing the contract amount by $69,352, within the original 10% contingency, for a total contract amount of $3,016,352, with no change to the contract duration, for expediting some locations for inspection and added 565 linear feet of new sewer inspection locations.
Modification No. 2: Effective May 21, 2025, Staff issued Modification No. 2, increasing the contract amount by $225,348, within the original 10% contingency, for a total c ontract amount of $3,241,700, with no change to the contract duration, for modifying the inspection list, and adding a total of 1,102 linear feet of additional sewer inspection locations.
Proposed Increase to Cost Contingency : Staff recommends that the Commission approve an increase of $800,000 to the existing cost contingency for a revised cost limit of $4,041,700, with no change to the contract duration, t o replenish the cost contingency for unforeseen conditions that may be encountered in the remainder of the contract work which may require additional large diameter sewer inspection or as -needed cleaning.
Funding and Costs: Funding Source: Project No.10041077, WW-740 Various Large Diameter Sewer Inspection No.2
Original Contract Amount: $2,947,000
Original 10% Cost Contingency: $294,700
Approved Increase in Cost Contingency: $0
Modified Increase to Contract Amount: $294,700
Total Current Contract Amount: $3,241,700
Remaining Cost Contingency: $0
Requested Additional Cost Contingency: $800,000
Total Proposed Cost Limit: $4,041,700
Schedule: Notice-to-Proceed Date: February 10, 2025
Original Contract Duration: 425 consecutive calendar days Original 10% Duration Contingency: 42 calendar days
Approved Increase to Duration Contingency: 0 calendar days Modified Increases to Contract Duration: 0 calendar days Total Current Contract Duration: 425 consecutive calendar days Remaining Duration Contingency: 42 calendar days
Agenda Title: WW-740, Various Large Diameter Sewer Inspection No. 2 Commission Meeting Date: July 8, 2025
Requested Additional Duration Contingency: 0 calendar days Total Duration Limit: 467 calendar days
Local Business
Enterprise Utilization
and Non-
Discrimination in
Contracting:
The Contract Monitoring Division established a n 8% Local Business Enterprise (LBE) subcontracting requirement for this contract. The contractor committed to a 10.82% LBE participation , and this remains unchanged.
Agenda Title: WW-740, Various Large Diameter Sewer Inspection No. 2 Commission Meeting Date: July 8, 2025
PUBLIC UTILITIES COMMISSION
City and County of San Francisco
RESOLUTION NO.
WHEREAS, On November 12, 2024 by Resolution No. 24-0228 the Commission awarded Contract No. WW-740, Various Large Diameter Sewer Inspection No. 2, to Pipe & Plant Solutions, Inc.; and
WHEREAS, The original contract amount was for $2,947,000 and the original contract duration was 425 consecutive calendar days; and
WHEREAS, The construction contract Notice-to-Proceed date was February 10, 2025; and
WHEREAS; Staff issued Modification Nos . 1 and 2, increasing the contract amount by $294,700, within the original 10% contingency, for additional large diameter sewer inspection and as-needed cleaning, for a total contract amount of $3,241,700, with no change to the contract duration; and
WHEREAS, An increase of $ 800,000 to the cost contingency is being requested for a revised cost limit of $ 4,041,700, to replenish the cost contingency and for unforeseen additional needs that may be encountered in the remainder of the contract work which may require additional large diameter sewer inspection or cleaning; and
WHEREAS, Contract Monitoring Division established a Local Business Enterprise (LBE) subcontracting participation of 8% for this contract, and the contractor committed to a n LBE participation of 10.82% with its bid submittal, and this remains unchanged; and
WHEREAS, Funds are available from Project No. 10041077, WW-740, Various Large Diameter Sewer Inspection No. 2; now, therefore, be it
RESOLVED, That this Commission hereby approves an increase of $ 800,000 to the existing cost contingency for Contract No. WW-740, Various Large Diameter Sewer Inspection No. 2, for a total cost contingency amount of $1,094,700; and be it
FURTHER RESOLVED, That this Commission hereby authorizes the General Manager, or the General Manager’s designee, to consider, and, if appropriate, to approve any future modifications to the Contract, for a total cost limit up to $4,041,700, with no change to the contract duration.
I hereby certify that the foregoing resolution was adopted by the San Francisco Public Utilities Commission at its meeting of July 8, 2025.
Director of Commission Affairs
San Francisco Public Utilities Commission