DEPARTMENT
Infrastructure
AGENDA NO.
10h
MEETING DATE
August 23, 2022
APPROVAL:
COMMISSION
SECRETARY
Donna Hood
AGENDA ITEM
Public Utilities Commission
City and County of San Francisco
Construction Modification: Consent Calendar
Contract Manager: Jignesh Desai
Approve Increase to Construction Duration Contingency for WW-665, Southeast Water Pollution Control Plant 042-Seismic Retrofit and Rehabilitation
Summary of Proposed
Commission Action:
Approve an increase of 165 calendar days to the contract duration contingency for Contract No. WW- 665, Southeast Water Pollution Control Plant 042- Seismic Retrofit and Rehabilitation , with Western Water Constructors; and authorize the General Manager to approve future modifications to the contract for a total contract duration of up to 1,118 consecutive calendar days (approximately three years and one month), with no change to contract amount.
Background: The Southeast Water Pollution Control Plant 042 Seismic Retrofit and Rehabilitation project will seismically upgrade SEP 042- Primary Sedimentation Facility at the Southeast Treatment Plant (SEP). The project includes mechanical and electrical upgrades of SEP 042 as well as coating and repair work in SEP 540, SEP 525 and SEP channels C, D, and E.
Contract Substantial Completion was achieved on October 24, 2021.
However, due to COVID supply chain delays and related resource issues, additional time is needed to complete the contract punch list items and closeout documentation.
On June 25, 2019, by Resolution No. 19-0127, the Commission awarded Contract No. WW- 665, Southeast Water Pollution Control Plant 042- Seismic Retrofit and Rehabilitation . The original contract amount was $9,079,210, and the original contract duration was 867 consecutive calendar days.
Description of Scope of
Work:
The contract work location is the Southeast Water Pollution Control Plant (SEP) in San Francisco.
The contract work consists of:
• Seismic retrofit of the SEP 042 foundation;
Contract: WW-665, Southeast Water Pollution Control Plant 042-Seismic Retrofit and Rehabilitation Commission Meeting Date: August 23, 2022
• Mechanical and electrical modifications to the SEP 042 scum pump system; and
• Structural repair work in the SEP 520, SEP 525 and SEP 044 (conduits C, D and E).
Changes and
Modifications to the
Contract:
San Francisco Administrative Code section 6.22(h) requires that any cumulative increase of the contract amount or duration in excess of 10% of the original contract amount or duration be approved by this Commission.
Modification Nos. 1 to 7 increased the contract amount by $903,703 (within the original contingency) to pay for changes in the scope of work including unforeseen hazardous material testing and removal, a new drum screen system, additional concrete repair and debris removal, and costs associated with COVID-
19 safety guidelines, for a total
contract amount of $9,982,913, with no change to the contract duration.
On February 9, 2021, by Resolution No. 21-0014, the Commission approved an increase of $817,129 to the existing contract cost contingency for a total contract amount of up to $10,804,260, with no change to the contract duration.
Requested Increase to Contract Duration Contingency
Staff requests approval of an increase of 165 calendar days to the existing contract duration contingency to allow for additional time to complet e the contract punch list items and closeout documentation, for a total contract duration of up to 1,118 consecutive calendar days , with no change to the contract amount.
Budget & Costs: Funding: Project No. CWWSIPSE08, SEP Seismic Reliability and Condition Assessment
Original Contract Amount: $9,079,210
Original 10% Cost Contingency: $907,921
Approved Increase to Cost Contingency: $817,129
Total Revised Contract Cost Limit: $10,804,260
Schedule: Notice-to-Proceed Date: September 9, 2019
Original Contract Duration: 867 consecutive calendar days Original 10% Duration Contingency: 86 calendar days
Requested Additional Duration Contingency: 165 calendar days Total Revised Contract Duration Limit: 1,118 consecutive calendar days
Compliance with
Chapter 14B: Local
Business Enterprise
Utilization and Non-
The Contract Monitoring Division established a Local Business Enterprise (LBE) subcontracting requirement of 20% for this contract.
The contractor committed to 20.16% LBE participation in 20.16its bid submittal.
Contract: WW-665, Southeast Water Pollution Control Plant 042-Seismic Retrofit and Rehabilitation Commission Meeting Date: August 23, 2022
Discrimination In
Contracting Ordinance:
Recommendation: SFPUC staff recommends that the Commission adopt the attached resolution.
Contract: WW-665, Southeast Water Pollution Control Plant 042-Seismic Retrofit and Rehabilitation Commission Meeting Date: August 23, 2022
Southeast Water Pollution Control Plant
PUBLIC UTILITIES COMMISSION
City and County of San Francisco
RESOLUTION NO.
WHEREAS, The San Francisco Public Utilities Commission (SFPUC) has undertaken a project to seismically upgrade the Southeast Treatment Plant (SEP) and SEP 042- Primary Sedimentation Facility and perform mechanical and electrical upgrades; and WHEREAS, On June 25, 2019, by Resolution No. 19-0127, the Commission awarded the Contract No. WW-665, Southeast Water Pollution Control Plant 042- Seismic Retrofit and Rehabilitation to Western Water Constructors, and
WHEREAS, The construction contract Notice-to-Proceed date was September 9, 2019; and WHEREAS, The original contract amount was for $9,079,210 and the original contract duration was 867 consecutive calendar days; and
WHEREAS, On February 9, 2021, by Resolution No. 21-0014, the Commission approved an increase of $817,129 to the contract cost contingency for a total contract amount limit of up to $ 10,804,260, with no change in contract duration; and
WHEREAS, Due to COVID supply chain delays and related resource issues, the contractor needs additional time to complete the contract punch list items and closeout documentation; and WHEREAS, SFPUC staff recommends approval of an increase of 165 calendar days to the contract duration contingency to allow for completion of the contract punch list items and closeout documentation; and
WHEREAS, Contract Monitoring Division established a 20% Local Business Enterprise (LBE) subcontracting participation requirement for this contract, and the contractor committed to a 20.16% LBE participation of in its bid submittal; and WHEREAS, Funds are available from Project No. CWWSIPSE08 , SEP Seismic Reliability and Condition Assessment; now, therefore, be it RESOLVED, That this Commission hereby approves an increase of 165 calendar days to the existing contract duration contingency for Wastewater Enterprise, Sewer System Improvement Program-funded Contract No. WW -665, Southeast Water Pollution Control Plant 042- Seismic Retrofit and Rehabilitation, for a total contract duration contingency amount of up to 251 calendar days; and be it
FURTHER RESOLVED, That this Commission hereby authorizes the General Manager or designee to consider and, if appropriate, to approve any future modifications to the total contract duration of up to 1,118 consecutive calendar days.
I hereby certify that the foregoing resolution was adopted by the Public Utilities Commission at its meeting of August 23, 2022.
Secretary, Public Utilities Commission