DEPARTMENT Infrastructure AGENDA NO. 11d
MEETING DATE January 25, 2022
APPROVAL:
COMMISSION
SECRETARY Donna Hood
AGENDA ITEM
Public Utilities Commission
City and County of San Francisco
Construction Modification: Consent Calendar
Contract Manager: Ming Yee
Approve Increase to Construction Cost and Duration Contingencies for WW-712, New Montgomery, Jessie, Minna, and Mission Street Brick Sewer Rehabilitation Summary of Proposed
Commission Action:
A
pprove an increase of $2,250,000 to the contract cost contingency, and an increase of 180 consecutive calendar days to the contract duration contingency for Contract No. WW-712, New Montgomery, Jessie, Minna, and Mission Street Brick Sewer Rehabilitation, with D’Arcy & Harty Construction, Inc; and authorize the General Manager to approve future modifications to the contract for a total contract amount of up to $7,627,625 and a total contract duration of up to 609 consecutive calendar days (approximately one year and eight months). This action constitutes the Approval Action for the additional work covered under this modification for the purposes of the California Environmental Quality Act (CEQA) pursuant to Section
31.04(h) of the San Francisco Administrative Code. The Planning Department has determined that this action is exempt from the CEQA. If the item is approved, the Commission will rely on that determination to make its decision.
Background: The purpose of this project is to rehabilitate sewers that are over 100 - years old and identified to be at a high-risk of failure based on data from the San Francisco Public Utilities Commission (SFPUC) Condition System Assessment Management Program (CSAMP). The need for structural rehabilitation was further confirmed by the project team who observed missing bricks and mortars in the existing sewers from closed- circuit televised videos of the sewers included in this contract.
On May 11, 2021, by Resolution No. 21-0075 , this Commission awarded Contract No. WW-712, New Montgomery, Jessie, Minna, and Mission Street Brick Sewer Rehabilitation The original contract amount was $4,888,750, and the original contract duration was 390 consecutive calendar days.
Contract: WW-712, New Montgomery, Jessie, Minna, and Mission Street Brick Sewer Rehabilitation Commission Meeting Date: January 25, 2022
Description of Scope of
Work:
The contract work location(s) are on New Montgomery, Jessie, Minna, and Mission Streets in San Francisco, CA.
The contract work consists of:
• Rehabilitation of existing sewers (using cured-in-place-liners or spray-mortaring construction methods);
• Replacement of some sewer laterals and associated
appurtenances; and
• Rehabilitation of existing sewer manholes and installation of new sewer manholes.
Changes and Modifications to the Contract:
Section 6.22(h) of the Administrative Code requires that any cumulative increase of the contract amount or duration in excess of 10% of the original contract amount or dura tion be approved by this Commission.
Requested Increase to Contract Cost and Duration Contingency An increase of $2,250,000 to the existing cost contingency and an increase of 180 consecutive calendar days to the existing duration contingency are requested to structurally rehabilitate at-risk sewers, and to avoid conflict with pending construction work on Market Street , for a total contract amount of up to $7,627,625, and a total contract duration of up to 609 consecutive calendar days.
Result of Inaction: A delay or denial awarding this contract will prevent the rehabilitation of the aging and deteriorating sewers.
Funding, Budget and
Costs:
Funding: Project No. 10034718, Large Sewer Condition Assessment and Improvements. SSIP provides funds for this contract.
Original Contract Amount: $4,888,750
Original 10% Cost Contingency: $488,875
Requested Additional Cost Contingency: $2,250,000
Total Revised Contract Cost Limit: $7,627,625
Schedule: Notice-to-Proceed Date: August 30, 2021
Original Contract Duration: 390 consecutive calendar days Original 10% Duration Contingency: 39 calendar days
Requested Additional Duration Contingency: 180 calendar days Total Revised Contract Duration Limit : 609 consecutive calendar days
Environmental Review: On May 11, 2021, by Resolution No. 21-0075, this Commission approved the award of Contract WW-712 for the New Montgomery, Jessie, Minna, and Mission Streets Brick Sewer Rehabilitation. This modification would add components of a separate project, the Tenderloin and Nob Hill Sewer Improvements Project, in order for that project to expedite work and avoid conflicts with upcoming Better Contract: WW-712, New Montgomery, Jessie, Minna, and Mission Street Brick Sewer Rehabilitation Commission Meeting Date: January 25, 2022
Market Street Phase I construction. This separate work would be included in this contract for contracting convenience.
On August 6, 2020 the San Francisco Planning Department issued a statutory exemption determination under California Environmental Quality Act Section 21080.21 (Case Number 2020-006988ENV) for the New Montgomery, Jessie, Minna, and Mission Streets Brick Sewer Rehabilitation, because the proposed pipeline replacement will be in the public right of way and does not exceed one mile in length.
This exemption covers construction in the original contract scope of work. The exemption can be found here:
https://sfpuc.sharefile.com/d-
s6841b671546d4188975b25947f6f43e4
On March 23, 2021 the San Francisco Planning Department issued a statutory exemption determination under California Environmental Quality Act Section 21080.21 (Case Number 2021-002879ENV) for the Tenderloin and Nob Hill Sewer Improvements Project, because the proposed pipeline replacement will be in the public right of way and does not exceed one mile in length. This exemption includes the additional work that would be added to this contract in this modification. The exemption can be found here:
https://sfpuc.sharefile.com/d-s2e995d834fe74545b1568c2b1976c1e8
This action constitutes the Approval Action for the additional work covered under this modification for the purposes of CEQA pursuant to Section 31.04(h) of the San Francisco Administrative Code.
Compliance with
Chapter 14B: Local
Business Enterprise
Utilization and Non-
Discrimination In
Contracting Ordinance:
The Contract Monitoring Division established a Local Business Enterprise ( LBE) subcontracting requirement of 6.00% for this contract. The contractor committed to a subcontractor LBE participation of 6.99% with its bid submittal.
Recommendation: SFPUC staff recommends that the Commission adopt the attached resolution.
PUBLIC UTILITIES COMMISSION
City and County of San Francisco
RESOLUTION NO.
WHEREAS, On M ay 11, 2021, by Resolution No. 21- 0075, this Commission award ed Contract No. WW-712, New Montgomery, Jessie, Minna, and Mission Street Brick Sewer Rehabilitation to D’Arcy & Harty Construction, Inc., and WHEREAS, On August 30, 2021, SFPUC issued t he construction cont ract Notice- to- Proceed; and
WHEREAS, The original contract amount was for $4,888,750 and the original contract duration was 390 consecutive calendar days; and
WHEREAS, Section 6.22(h) of the San Francisco Administrative Code require s Commission approval for any cumulative increase in contract amount or duration in excess of 10% of the original contract amount or duration; and
WHEREAS, An increase of $2,250,000 to the contract cost contingency and an increase of 180 calendar days to the contract duration contingency are requested to structurally rehabilitate at- risk sewers, and to avoid conflict with pending construction work on Market Street; and WHEREAS, Contract Monitoring Division established a Local Business Enterprise (LBE) subcontracting participation of 6.00% for this contract, and the contractor committed to a LBE participation of 6.99% with its bid submittal; and
WHEREAS, On May 11, 2021, by Resolution No. 21-0075, this Commission approved the award of Contract WW-712 for the New Montgomery, Jessie, Minna, and Mission Streets Brick Sewer Rehabilitation, and this modification would add components of a separate project, the Tenderloin and Nob Hill Sewer Improvements Project, in order for that project to expedite work and avoid conflicts with upcoming Better Market Street Phase I construction; and this separate work would be included in this contract for contracting convenience; and
WHEREAS, On August 6, 2020, the San Francisco Planning Department issued a statutory exemption determination under California Environmental Quality Act Section 21080.21 (Case Number 2020-006988ENV) ) for the New Montgomery, Jessie, Minna, and Mission Streets Brick Sewer Rehabilitation, because the proposed pipeline replacement will be in the public right of way and does not exceed one mile in length, and t his exemption include s covers construction in the original contract scope of work; and
WHEREAS, On March 23, 2021, the San Francisco Planning Department issued a statutory exemption determination under California Environmental Quality Act Section 21080.21 (Case Number 2021 -002879ENV) for the Tenderloin and Nob Hill Sewer Improvements Project , because the proposed pipeline replacement will be in the public right of way and does not exceed one mile in lengt h, and this exemption includes the additional work that would be added to this contract in this modification; and
WHEREAS, This action constitutes the Approval Action for the additional work covered under this modification for the purposes of the California Environmental Quality Act (CEQA) pursuant to Section 31.04(h) of the San Francisco Administrative Code, now, therefore, be it
RESOLVED, That this Commission hereby a pproves an increase of $2,250,000 to the existing contract cost contingency and an increase of 180 calendar days to the existing contract duration contingency, for Contract No. WW-712, New Montgomery, Jessie, Minna, and Mission Street Brick Sewer Rehabilitation, for a total contract cost contingency amount of up to $2,738,875 and a total contract duration contingency of 219 calendar days; and be it FURTHER RESOLVED, That this Commission hereby authorizes the General Manager , or his or her designee, to consider, and, if appropriate, to approve any future modifications to the contract amount for a total contract amount of up to $7,627,625, and a total contract duration of up to 609 consecutive calendar days.
I hereby certify that the foregoing resolution was adopted by the Public Utilities Commission at its meeting of January 25, 2022.
Secretary, Public Utilities Commission