DEPARTMENT
Infrastructure
AGENDA NO.
7f
MEETING DATE
January 23, 2024
AGENDA ITEM
Public Utilities Commission
City and County of San Francisco
Calendar: Consent Calendar
Project Manager: Jignesh Desai
Approve Increase to Construction Duration Contingency for Contract No. WW-685R, North Shore Pump Station Wet Weather Improvements
Summary of
Proposed
Commission Action:
Approve an increase of 340 calendar days (approximately 11 months) to the Contract duration contingency for Contract No. WW- 685R, North Shore Pump Station Wet Weather Improvements, with Western Water Constructors, Inc., for a new Contract duration limit of up to 1,415 consecutive calendar days (approximately three years and 11 months), with no change to Contract amount, due to delays associated with installation and start- up of motor control center equipment and associated downstream new assets.
Background: The objective of San Francisco Public Utilities Commission (SFPUC) Contract No. WW-685R, North Shore Pump Station Wet Weather Improvements project is to provide redundant effluent pumping capacity at North Shore Pump Station during wet weather. This project will replace the four existing dry weather pumps with larger capacity units so that they are capable of redundant pumping capacity during wet weather. The project also includes upgrades to the motor control centers and distributed control system.
The implementation of this project will ensure reliable and efficient operation in keeping with the level of service and maintain regulatory compliance.
Work also included improvements to the HVAC, Mechanical, Fire Protection, Electrical, and Architectural systems for Building 930, Distributed Control System Server Room at the Southeast Water Pollution Control Plant.
On January 26, 2021 by Resolution No. 21- 0006, this Commission awarded Contract No. WW- 685R, North Shore Pump Station Wet Weather Improvements to Western Water Constructors, Inc. The original C ontract amount was $26,010,000, and the original Contract duration was 750 consecutive calendar days.
On January 10, 2023, by Resolution No. 23-0010, this Commission approved an increase of 250 calendar days to the existing Contract duration contingency for a total Contract duration of up to 1,075 consecutive calendar days, with no change to the Contract amount.
Agenda Title: WW-685R, North Shore Pump Station Wet Weather Improvements Commission Meeting Date: January 23, 2024
Scope of Contract: The Contract work is located at the North Shore Pump Station and Southeast Treatment Plant within the City and County of San Francisco. The C ontract work includes:
At North Shore Pump Station:
• Replacement of four dry weather pumps;
• Replacement and extension of discharge piping, select portions of 36” headers, and associated mechanical equipment;
• Upgrade of the existing dewatering system;
• Ferrous chloride systems upgrades;
• Replacement of east and west channel bar screens;
• Installation of City-furnished hydraulic actuators;
• Modernization of personnel elevator;
• HVAC upgrades;
• Structural upgrades for dry weather pumps, piping, ferrous chloride tank pads, and other mechanical appurtenances;
• Lighting replacement and upgrades;
• Reroofing;
• Instrumentation and Control work including Distributed Control System installation and integration;
• Electrical upgrades including motor control center modification and replacement, emergency radio communication work;
• Site grading and paving; and
• Sewer lateral installation.
At the Southeast Treatment Plant:
• Furnish and install HVAC split system;
• Furnish and install uninterruptable power source and distribution panel;
• Fire protection work; and
• Associated architectural work.
Modifications to the
Contract:
Modification Nos. 1-12: Effective December 21, 2023, the SFPUC modified the Contract within the approved contingency for money and time and increased the Contract amount by $ 1,170,429 for a total Contract amount of $27,180,429 and increased the Contract time by 286 consecutive calendar days for a new total Contract time of 1,036 consecutive calendar days.
Recommended Increase to Contract Duration Contingency:
Staff recommends Commission authorization to approve an increase to the Contract duration contingency by 340 calendar days due to delays associated with installation and start-up of motor control center equipment and associated Agenda Title: WW-685R, North Shore Pump Station Wet Weather Improvements Commission Meeting Date: January 23, 2024
downstream newly installed assets, with no change to the Contract amount, for a new Contract duration limit of up to 1,415 consecutive calendar days.
Funding and Costs: Funding Source: Wastewater Enterprise Capital Program CWWSIPTPNP02, North Shore Pump Station Wet Weather Improvements Original Contract Amount: $26,010,000
Original 10% Cost Contingency: $2,601,000
Requested Additional Cost Contingency: $0
Total Contract Cost Limit: $28,611,000
Schedule: Notice-to-Proceed Date: April 19, 2021
Original Contract Duration: 750 consecutive calendar days Original 10% Duration Contingency: 75 calendar days
Approved Increase to Duration Contingency: 250 calendar days Requested Additional Duration Contingency: 340 calendar days Total Contract Duration Limit: 1,415 consecutive calendar days
Local Business
Enterprise
Participation and
Non-Discrimination
In Contracting:
The Contract Monitoring Division established a 11% Local Business Enterprise (LBE) subcontracting requirement for this Contract. The contractor committed to 11.67% LBE participation with its bid submittal.
Agenda Title: WW-685R, North Shore Pump Station Wet Weather Improvements Commission Meeting Date: January 23, 2024
LOCATION MAP
Northshore Pump Station and Southeast Water Pollution Control Plant
PUBLIC UTILITIES COMMISSION
City and County of San Francisco
RESOLUTION NO.
WHEREAS, The San Francisco Public Utilities Commission (SFPUC) Wastewater Enterprise facilities include the Northshore Pump Station and Southeast Treatment Plant, which have level of service goals to provide redundant effluent pumping capacity at North Shore Pump Station during wet weather, and upgrades to mechanical and electrical components are needed at both facilities to ensure reliable and efficient operations; and WHEREAS, On January 26, 2021, by Resolution No. 21-0006, this Commission awarded Contract No. WW-685R, North Shore Pump Station Wet Weather Improveme nts, to Western Water Constructors, Inc.; and
WHEREAS, The original Contract amount was for $26,010,000 and the original Contract duration was 750 consecutive calendar days; and
WHEREAS, The Contract Notice-to-Proceed date was April 19, 2021; and WHEREAS, On January 10, 2023, by Resolution No. 23-0010, this Commission approved an increase of 250 calendar days to the existing duration contingency for a total Contract duration of up to 1,075 consecutive calendar days; and
WHEREAS, Staff recommends an increase to the C ontract duration contingency by 340 calendar days due to delays associated with installation and start -up of motor control center equipment and associated downstream new assets, with no change to the C ontract amount, for a new Contract duration limit up to 1,415 consecutive calendar days; and WHEREAS, Contract Monitoring Division established a Local Business Enterprise (LBE) subcontracting participation requirement of 11% for this C ontract, and the contractor commi tted
11.67% LBE participation with its bid submittal; now, therefore, be it RESOLVED, That this Commission hereby approves an increase of 340 calendar days to the existing Contract duration contingency for Contract No. WW-685R, North Shore Pump Station Wet Weather Improvements, for a total Contract duration contingency limit of up to 665 calendar days and a new Contract duration up to 1,415 consecutive calendar days, with no change to the Contract amount.
I hereby certify that the foregoing resolution was adopted by the Public Utilities Commission at its meeting of January 23, 2024.
Secretary, Public Utilities Commission