DEPARTMENT
Infrastructure
AGENDA NO.
6i
MEETING DATE
February 27, 2024
AGENDA ITEM
Public Utilities Commission
City and County of San Francisco
Construction Modification: Consent Calendar
Project Manager: Brian Carlomagno
Approve Increase to Construction Cost and Duration Contingencies for Contract No.
WW-645R, Westside Pump Station Reliability Improvements
Summary of Proposed
Commission Action:
Approve an increase in the amount of $3,000,000 to the contract cost contingency and an increase of 540 calendar days
(approximately one year and six months) to the contract duration contingency for Contract No. WW -645R, Westside Pump Station Reliability Improvements, with Anvil Builders, Inc., increasing the contract amount up to a not -to-exceed amount of $56,161,130 and increasing the c ontract duration up to 1,662 consecutive calendar days (approximately four years and seven months), to address future potential change orders due to unforeseen site civil, structural, instrumentation & control, and electrical work and for anticipated PG&E electric service delays.
Background: The objective of the San Francisco Public Utilities Commission (SFPUC) Westside Pump Station Reliability Improvements project is to improve reliability of the Westside Pump Station to meet regulatory requirements by providing a new electrical power service feed, replacement of essential wastewater process mechanical and electrical equipment, and ventilation, plumbing and instrumentation and control improvements. The project includes site civil work, street curb ramp work, landscape and architectural facility work, structural cast- in-place concrete vaults, foundation and fa cility modification work, shoring work, construction of a new electrical building, pipeline replacement, corrosion protection and security improvements. The implementation of this project will ensure reliable and efficient operation in keeping with the level of service and the ability to maintain regulatory compliance.
On February 23, 2021, by Resolution No. 21-0031, this Commission awarded Contract No. WW- 645R, Westside Pump Station
Reliability Improvements . The original contract amount was $48,328,300, and the original contract duration was 1,020 consecutive calendar days.
Description of Scope of
Work:
Contract work is located at Westside Pump Station in San Francisco.
The contract work consists of:
• Existing Westside Pump Station Building (WSS 001 Main Building)
o Replacement of existing dry and wet weather bar screen assemblies;
o Construction of cross connection between the dry and wet weather channels;
o Replacement of the 54-inch wet-weather pump discharge header;
o Construction of new Level 2 and Level 3 knife gate valve structure;
o Installation of a 54-inch knife gate valve and modification of the existing Hydraulic Power Unit (HPU) assembly;
o Replacement and new ventilation fans, ducts, and louver assemblies;
o Removal of existing PG&E transformer and existing wet- weather pump variable frequency drive assemblies;
o Electrical power systems, equipment, appurtenances, and conduit/wiring;
o Construction of new Level 1 electrical room;
o Modification of existing restroom and existing landscape planters;
o Replacement of existing roof system;
o Concrete spall repair; and
o Hazardous material abatement (lead-based paint
mitigation and removal of asbestos-containing roofing
material).
• New Electrical Building (WSS 002 Electrical Building). • Utility Improvements on the Great Highway and Sloat Blvd. o Underground conduit, pull boxes, and vaults for the new primary and redundant PG&E electrical feeds from Sloat
Blvd to the WSS 002 Electrical Building; and
o 54-inch steel pipeline from existing Main Building wet weather pumps discharge header to the existing WSS
Vault 3.
• Site Landscape & Civil Work.
• Instrumentation & Control systems, field devices, field instruments, PLC hardware and system integration.
• Testing, Start-up, and Commissioning of the new electrical and mechanical systems.
• Temporary shoring, bracing, and underpinning.
• Traffic Control.
Changes and
Modifications to the
Contract:
Modification Nos. 1 -5: The SFPUC increased the Contract by $976,247, within the original contact cost contingency, to perform additional site civil, facility structural, mechanical, ventilation and electrical modifications , and increased the contract amount to $49,304,547, with no change to the contract duration.
Requested Increase to Contract Cost and Duration
Contingency:
Staff requests approval of an increase o f $3,000,000 to the contract cost contingency and an increase of 540 calendar days to the contract duration contingency to address future potential change orders due to unforeseen site civil, structural, instrumentation & control, and electrical work, and for anticipated PG&E electric service delays, for a total contract amount limit of $56,161,130 and a total contract duration limit of 1,662 consecutive calendar days.
Environmental Review On April 20, 2017 , the San Francisco Planning Department determined the Project to be categorically exempt from
environmental review under the California Environmental Quality Act (CEQA) Guidelines section 15301, Class 1 (Existing Facilities) under Case Number 2016- 014160ENV. The exemption
determination can be found here:
https://sfpuc.sharefile.com/public/share/web-
s1ca536fab9134d2ca7d5b7fa3c1f8cc6
No future potential change orders due to unforeseen site civil, structural, instrumentation & control, and electrical work, and for anticipated PG&E electric service delays will be issued under this contract until the proposed work is reviewed and, if re quired, the appropriate CEQA review is conducted.
Funding, Budget &
Costs:
Funding: Project No. CWWSIPTPOP02, Westside Pump Station Reliability Improvements
Original Contract Amount: $48,328,300
Original 10% Cost Contingency: $4,832,830
Requested Additional Cost Contingency: $3,000,000
Total Revised Contract Cost Limit: $56,161,130
Schedule: Notice-to-Proceed Date: April 19, 2021
Original Contract Duration: 1,020 consecutive calendar days Original 10% Duration Contingency: 102 calendar days
Requested Additional Duration Contingency: 540 calendar days Total Revised Contract Duration Limit: 1,662 consecutive calendar days
Compliance with
Chapter 14B: Local
Business Enterprise
Utilization and Non-
Discrimination In
Contracting
Ordinance:
The Contract Monitoring Division established a 15% Local Business Enterprise (LBE) subcontracting requirement for this contract. The Contractor committed to a 15.91% LBE subcontractor participation with its bid submittal.
Location map:
Location map:
Westside Pump Station
PUBLIC UTILITIES COMMISSION
City and County of San Francisco
RESOLUTION NO.
WHEREAS, The San Francisco Public Utilities Commission (SFPUC) Wastewater Enterprise Westside Pump Station requires replacement of essential wastewater process mechanical and electrical equipment to ensure reliable and efficient operations; and WHEREAS, On February 23, 2021, by Resolution No. 21-0031, this Commission awarded Contract No. WW-645R, Westside Pump Station Reliability Improvements to Anvil Builders, Inc.; and
WHEREAS, The contract Notice-To-Proceed date was April 19, 2021; and WHEREAS, The original contract amount was for $48,328,300 and the original contract duration was 1,020 consecutive calendar days; and
WHEREAS, Modification Nos. 1 through 5 increased the contract by $976,247, within the original contract cost contingency, increased the contract amount to $49,304,547, to perform additional site civil, facility structural, mechanical, ventilation and electrical modifications ,with no change to the contract duration; and
WHEREAS, Staff requests approval of a n increase of $3,000,000 to the c ontract cost contingency and an increase of 540 calendar days to the contract duration contingency to address future potential change orders due to unforeseen site civil, structural, instrumentation & control, and electrical work and for anticipated PG&E electric service delays, for a total contract amount limit of $56,161,130 and a total contract duration limit of 1,662 consecutive calendar days; and WHEREAS, Contract Monitoring Division established a 15% Local Business Enterprise (LBE) subcontracting participation for this contract, and the contractor committed to a 15.91% LBE participation with its bid submittal; and
WHEREAS, On April 20, 2017, the San Francisco Planning Department determined the Project to be categorically exempt from environmental review under the California Environmental Quality Act (CEQA) Guidelines s ection 15301, Class 1 (Existing Facilities) under Case Number 2016-014160ENV; and
WHEREAS, No future potential change orders due to unforeseen site civil, structural, instrumentation & control, and electrical work, and for anticipated PG&E electric service delays will be issued under this contract until the proposed work is revi ewed and, if required, the appropriate CEQA review is conducted; and
WHEREAS, Funds are available from Project No. CWWSIPTPOP02 , Westside Pump Station Reliability Improvements; now, therefore, be it
RESOLVED, That this Commission hereby a pproves an increase of $3,000,000 to the existing contract cost contingency and an increase of 540 calendar days to the existing c ontract duration contingency for Contract No. WW -645R, Westside Pump Station Reliability Improvements, with Anvil Builders, Inc., for a total contract cost contingency amount of $7,832,830 and a total contract duration contingency of 642 calendar days, and a new contract amount limit of up to $56,161,130 and a new contract dura tion limit of up to 1,662 consecutive calendar days.
I hereby certify that the foregoing resolution was adopted by the Public Utilities Commission at its meeting of February 27, 2024.
Secretary, Public Utilities Commission