DEPARTMENT
Infrastructure
AGENDA NO.
5g
MEETING DATE
September 26, 2023
Last updated: 05.03.2023
AGENDA ITEM
Public Utilities Commission
City and County of San Francisco
Calendar: Consent Calendar
Contract/Project Manager: Aileen Caylao
Approve Increase to Construction Contract Cost and Duration Contingency for Contract No. WW-707R, Various Locations Sewer Replacement No. 11
Summary of
Proposed
Commission Action:
Approve an increase of $215,000 to the contract cost contingency and an increase of 50 calendar days to the contract duration contingency for Contract No. WW-707R, Various Locations Sewer Replacement No. 11, with Basset Engineering, for a new contract amount of up to $3,979,385 and contract duration of up to 534 consecutive calendar days (approximately one year and six months) due to delays with San Francisco Municipal Transportation Authority’s ability to support de-energization of overhead Muni lines, lengthy procurement time of materials for de-energization work scope, and to address unforeseen underground conditions encountered on Townsend Street.
Background: The San Francisco Public Utilities Commission (SFPUC) inspected the existing sewers on the subject streets listed below in the City and County of San Francisco and determined they should be replaced. On June 28, 2022, by Resolution 22-0120, the Commission awarded Contract No. WW-707R, Various Locations Sewer Replacement No. 11, to Basset Engineering . The original contract amount was $3,422,168 and original contract duration was 440 consecutive calendar days.
Scope of Contract: The contract work consists of replacing the existing sewers with approximately 3,028 linear feet of 12-inch diameter and 371 linear feet of 24- inch diameter vitreous clay pipe; cured -in-place lining of approximately 307 linear feet of existing 12 -inch diameter, 14 linear fe et of existing 21- inch diameter, and 222 linear feet of existing 24- inch diameter sewers at the following locations:
• 11th Avenue, from Lake Street to California Street;
• Geary Boulevard, from 41st Avenue to 42nd Avenue;
• Cabrillo Street, from 7th Avenue to 8th Avenue;
• Monterey Boulevard, from Foerster Street to Edna Street; • Pfeiffer Street, from Stockton Street to Grant Avenue; • Grove Street, from Steiner Street to Fillmore Street; • Townsend Street, from Colin P Kelly Jr Street to The Embarcadero; and
• Dolores Street, from 21st Street to 22nd Street.
Agenda Title: WW-707R, Various Locations Sewer Replacement No. 11 Commission Meeting Date: September 26, 2023
Modifications to the
Contract:
Modification No. 1 : Effective May 18, 2023 , the SFPUC modified the contract by $342,216, within the current contract contingency, to perform additional sewer lateral replacement work and associated pavement restoration, increasing the total contract value to $ 3,764,384, with no change to the contract duration.
Proposed Modification No. 2: Staff recommends the Commission approve an increase to the contract cost contingency by $ 215,000 and an increase to the contract duration contingency by 50 calendar days to complete the remaining contract work scope due to delays with San Francisco Municipal Transportation Authority’s ability to support de -
energization of overhead
Muni lines, lengthy procurement time to acquire materials for de-energization work scope, and to address unforeseen underground conditions encountered on Townsend Street, for a total Contract amount of up to $3,979,385 and total Contract time up to 534 consecutive calendar days.
Funding and Costs: Funding Source: Wastewater Enterprise, Renewal and Replacement Program 10035397, Various Locations Sewer Replacement No. 11
Original Contract Amount: $3,422,168
Original 10% Cost Contingency: $342,217
Requested Additional Cost Contingency: $215,000
Total Revised Contract Cost Limit: $3,979,385
Schedule: Notice-to-Proceed Date: September 12, 2022
Original Contract Duration: 440 consecutive calendar days Original 10% Duration Contingency: 44 calendar days
Requested Additional Duration Contingency: 50 calendar days Total Revised Contract Duration Limit: 534 consecutive calendar days
Local Business
Enterprise
Participation and
Non-Discrimination
In Contracting:
The Contract Monitoring Division established a 20% Local Business Enterprise (LBE) subcontracting requirement for this contract. The contractor committed to 20.56% LBE participation with its bid submittal.
Agenda Title: WW-707R, Various Locations Sewer Replacement No. 11 Commission Meeting Date: September 26, 2023
PUBLIC UTILITIES COMMISSION
City and County of San Francisco
RESOLUTION NO.
WHEREAS, The San Francisco Public Utilities Commission (SFPUC) inspected existing sewers in the City and County of San Francisco, identified sewer lines needing replacement, and issued a request for bids for Contract No. WW-707R, Various Locations Sewer Replacement No. 11; and
WHEREAS, On June 28, 2022, by Resolution No. 22- 0120, the Commission awarded Contract No. WW-707R, Various Locations Sewer Replacement No. 11 to Basset Engineering; and
WHEREAS, The original contract amount was for $3,422,168 and the original contract duration was 440 consecutive calendar days; and
WHEREAS, The contract Notice-to-Proceed date was September 12, 2022; and WHEREAS, Modification No. 1 increased the contract amount by $342,216 to perform additional sewer lateral replacement work and associated pavement restoration, for a total contract amount of $3,764,384, with no change to the contract duration; and WHEREAS, Staff recommends an increase of $215,000 to the contract cost contingency and an increase of 50 calendar days to the contract duration contingency to complete the remaining contract work scope due to delays with San Francisco Municipal Transportation Authority’s ability to support de-energization of overhead Muni lines, lengthy procurement time to acquire materials for de-energization work scope , and to address unforeseen underground conditions encountered on Townsend Street; and
WHEREAS, Contract Monitoring Division established a Local Business Enterprise (LBE) subcontracting participation of 20% for this contract, and the contractor committed to 20.56% LBE participation with its bid submittal; and
WHEREAS, Funds are available from Project No. 10035397, Various Locations Sewer Replacement No. 11; now, therefore, be it
RESOLVED, That this Commission hereby a pproves an increase of $ 215,000 to the existing contract cost contingency and an increase of 50 calendar days to the existing contract duration contingency, for Contract No. WW-707R, Various Locations Sewer Replacement No. 11, for a total contract cost contingency amount of up to $557,217 and total contract duration continency up to 94 calendar days, and a new total contract amount of up to $3,979,385 and contract duration of up to 534 consecutive calendar days; and be it
FURTHER RESOLVED, That this Commission hereby authorizes the Gener al Manager, or the General Manager’s designee, to consider, and, if appropriate, to approve any future modifications to the contract amount for a total contract amount of up to $3,979,385, and a total contract duration of up to 534 consecutive calendar days.
I hereby certify that the foregoing resolution was adopted by the Public Utilities Commission at its meeting of September 26, 2023.
Secretary, Public Utilities Commission