AGENDA ITEM
Public Utilities Commission
City and County of San Francisco
DEPARTMENT Infrastructure Division AGENDA NO. 11c
MEETING DATE February 22, 2022
Construction Modification: Consent Calendar
Project Manager: Tracy Cael
Approve Increase to Construction Duration Contingency for Contract No. WD-2668, Regional Groundwater Storage and Recovery
Summary of
Proposed
Commission Action:
Approve an increase of 180 calendar days to the contract duration contingency for Contract No. WD -2668, Regional Groundwater Storage and Recovery; and authorize the General Manager to approve future modifications to the contract for a total contract duration of up to 2,707 consecutive calendar days (approximately seven years and five months), with no change to the contract amount.
Background: The Regional Groundwater Storage and Recovery Project (Project) is one of the key dry- year water supply projects to be completed as part of the Water System Improvement Program (WSIP). The Project will allow the San Francisco Public Utilities Commission (S
FPUC) to
conjunctively manage the South Westside Groundwater Basin through agreements with the California Water Service Company and the cities of Daly City and San Bruno and increase dry -
year and emergency
pumping capacity by up to 7.2 million gallons per day on an annual average basis. The Project involves multiple construction contracts.
The current construction contract for Phase 1 wells involves the construction of 12 groundwater production well facilities in the South Westside Groundwater Basin , plus drilling and installation of a 13 th well that will later be completed as a production well station in Phase
2. Each well facility includes a groundwater well, pumps, treatment as required, and connections for water lines, sanitary sewers, storm drains, and electrical and telephone lines.
On January 13, 2015, by Resolution No. 15- 0018, this Commission awarded Contract No. WD -2668, Regional Groundwater Storage and Recovery, to Ranger Pipelines, Inc. The original contract amount was $42,980,047, and the original contract duration was 917 consecutive calendar days.
APPROVAL:
COMMISSION
SECRETARY Donna Hood
Contract: WD-2668, Regional Groundwater Storage and Recovery Commission Meeting Date: February 22, 2022
On May 8, 2018, by Resolution No. 18-0077, this Commission ratified the correction of the award duration stated in Resolution No. 15 -0018, adopted by this Commission on January 13, 2015, from 917 consecutive calendar days to 1,007 consecutive calendar days.
Description of Scope
of Work
The contract work is located in San Mateo County and consists of the following:
• Construction of 12 new groundwater well stations and
installation of a 13 th new groundwater well that will later be completed as a production well station in Phase 2;
• Site preparation including clearing, grubbing, and grading; • Various work on existing groundwater wells;
• Building foundations and retaining walls;
• New pumps, motors, and related appurtenances;
• Ventilation systems;
• Trenching, pipeline, and conduit construction;
• Cathodic protection system;
• Chemical storage tanks, pumping systems, and chlorine residual detention tank; and
• Emergency eyewash and shower systems.
Changes to the Contract under Modifications:
Section 6.22(h) of the Administrative Code requires that any cumulative increase in contract amount or contract duration in excess of 10% of the original contract amount or duration be approved by this Commission.
Modification Nos. 1 to 37:
Were issued increasing the contract amount by $3,807,304 (within the original 10% contingency) with no change to the contract duration for installation of additional well facilities; rehabilitation of existing wells; and other mechanical and electrical work , for a total contract amount of $46,787,351.
On July 25, 2017, by Resolution No. 17- 0170, this Commission approved an increase to the contract cost contingency in the amount of $4,070,150 and an increase to the c ontract duration contingency in the amount of 79 calendar days for a total contract amount of up to $51,348,201 and a total contract duration of up to 1,186 consecutive calendar days.
Modification Nos. 38 to 40:
Were issued under Resolution No. 17- 0170, increasing the contract amount by $4,170,783 and increasing the contract duration by 84 consecutive calendar days to install chemical feed and fire protection systems; site restoration; and other mechanical and electrical work, for a total contract amount of $50,958,134 and a total contract duration of 1,091 consecutive calendar days.
Contract: WD-2668, Regional Groundwater Storage and Recovery Commission Meeting Date: February 22, 2022
On May 8, 2018, by Resolution No. 18 -0077, this Commission approved an increase of $8,230,477 to the c ontract cost contingency and an increase of 358 calendar days to the c ontract duration contingency for a total contract amount of up to $59,578,678 and a total contract duration of up to 1,544 consecutive calendar days.
Modification Nos. 41 to 48:
Were issued under Resolution No. 18-0077, increasing the contract amount by $6,162,167 and increasing the contract duration by 362 calendar day s for installation of remote analyzers , piping, and cabinets; disinfection and startup support; and other mechanical, plumbing, and electrical work , for a total contract amount of $57,120,301 and a total contract duration of 1,453 consecutive calendar days.
On June 25, 2019, by Resolution No. 19- 0124, this Commission approved an increase of $3,000,000 to the c ontract cost contingency and an increase of 253 calendar days to the contract durati on contingency for a total contract amount of up to $62,578,678 and a total contract duration of up to 1,797 consecutive calendar days.
Modification Nos. 49 to 52:
Were issued under Resolution No. 19-0124, increasing the contract amount by $1,708,188 and increasing the c ontract duration by 344 calendar days to allow construction of eyewash stations; modification of chemical and plumbing systems ; power connections to remote sampling analyzers; improvements to access roads; and providing payment for contractor’s extended overhead costs, for a total contract amount of $58,828,489 and a total contract duration of 1,797 consecutive calendar days.
On February 25, 2020, by Resolution No. 20- 0040, this Commission approved an increase of $2,000,000 to the contract cost contingency, and an increase of 365 calendar days to the contract duration contingency for a total contract duration of up to $64,578,678 and a total contract duration of up to 2,162 consecutive calendar days.
Modification Nos. 53 to 59:
Were issued under Resolution No. 20- 0040, increasing the contract amount by $1,788,360 and increasing the contract duration by 365 calendar days, to provide temporary generat or for startup and testing, troubleshoot various issues with well pumps, provide payment for contractor’s extended overhead costs, provide monthly well pump maintenance, and rebuild and reinstall well pumps , for a total contract amount of $60,616,849 and a total contract duration of 2,162 consecutive calendar days.
On February 9, 2021, by Resolution No. 21- 0011, this Commission approved an increase of $1,200,000 to the contract cost contingency, and an increase of 365 calendar days to the contract du ration Contract: WD-2668, Regional Groundwater Storage and Recovery Commission Meeting Date: February 22, 2022
contingency for a total contract amount of up to $65,778,678 and a total contract duration of up to 2,527 consecutive calendar days.
Modification Nos. 60 to 63:
Were issued under Resolution No. 21- 0011, increasing the contract amount by $1,711,928 and increasing the contract duration by 295 calendar days, to provide miscellaneous plumbing and chemical system modifications; revise grading and paving at two sites; support startup and disinfection; provide payment for contractor’s extended overhead costs; troubleshoot, rebuild, and reinstall one well pump with cathodic protection; and provide monthly well pump maintenance , for a total contract amount of $62,328,777 and a total contract duration of 2,457 consecutive calendar days.
Requested Increase to Contract Duration Contingency:
An increase of 180 calendar days to the duration contingency is being requested to acquire a permit from BART for modification to the access road into Treasure Island Well & Treatment Facility from Mission Road in Colma, California; encroachment permit from Town of Colma; gate, fence, and driveway modifications into the facility; and completion of remaining closeout documents, for a total contract duration of up to 2,707 consecutive calendar days.
Result of Inaction: A delay in approving this modification will delay completion of the access modification into the Treasure Island Well and Treatment Facility, and remaining closeout documents , all of which are essential to the successful completion of the Project.
Funding, Budget, and
Costs:
Funding: Project CUW30103 - Regional Groundwater Storage and Recovery
Original Contract Amount: $42,980,047
Original 10% Cost Contingency: $4,298,004
Approved Increase to Cost Contingency: $18,500,627
Requested Additional Cost Contingency: $0
Current Contract Cost Limit: $65,778,678
Schedule: Notice-to-Proceed Date: April 6, 2015
Original Contract Duration: 1,007 consecutive calendar days Original 10% Duration Contingency: 100 consecutive calendar days
Approved Increase to Duration Contingency: 1,420
consecutive calendar days
Requested Additional Duration Contingency: 180 consecutive calendar days
Requested Revised Contract Duration Limit: 2,707 consecutive calendar days
Contract: WD-2668, Regional Groundwater Storage and Recovery Commission Meeting Date: February 22, 2022
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 14% for this contract.
The contractor committed to a n LBE subcontracting participation of
14.1% in its bid submittal, and this remains unchanged.
Recommendation: SFPUC staff recommends that the Commission adopt the attached resolution.
PUBLIC UTILITIES COMMISSION
City and County of San Francisco
RESOLUTION NO.
WHEREAS, On January 13, 2015, by Resolution No. 15-0018, this Commission awarded Contract No. WD- 2668, Regional Groundwater Storage and Recovery, to Ranger Pipelines, Inc.; and
WHEREAS, The construction contract Notice -to-Proceed date was April 6, 2015; a nd WHEREAS, The original contract amount was for $42,980,047 and the original contract duration was 917 consecutive calendar days; and
WHEREAS, On May 8, 2018, by Resolution No. 18- 0077, this Commission ratified the correction of the award duration stated in Resolution No. 15- 0018, from 917 consecutive calendar days to 1,007 consecutive calendar days; and
WHEREAS, Under Section 6.22(h) of the San Francisco Administrative Code , any cumulative increase in contract amount or contract duration in excess of 10% of the original contract amount or duration must be approved by the Commission; and WHEREAS, On July 25, 2017, by Resolution No. 17-0170, this Commission approved an increase of $4,070,150 to the cost contingency and an increase of 79 calendar days to the duration contingency, increasing the contract cost contingency to $8,368,154 and the contract duration contingency to 179 calendar days, for a total contract amount of up to $51,348,201, and a total contract duration of up to 1,186 consecutive calendar days; and WHEREAS, On May 8, 2018, by Resolution No. 18- 0077, this Commission approved an increase of $8,230,477 to the cost contingency and an increase of 358 calendar days to the duration contingency, increasing the contract cost contingency to $16,598,631, and increasing the contract duration contingency to 537 consecutive calendar days, for a total contract amount of up to $59,578,678, and a total contract duration of up to 1,544 consecutive calendar days; and WHEREAS, On June 25, 2019, by Resolution 19- 0124, this Commission approved an increase to the contract cost contingency in the amount of $3,000,000, and an increase to the contract duration contingency of 253 calendar days , increasing the contract cost contingency to $19,598,631, and increasing the contract duration contingency to 790 consecutive calendar days, for a total contract amount of up to $62,578,678, and a total contract duration of up to 1,797 consecutive calendar days; and
WHEREAS, On February 25, 2020, by Resolution No. 20- 0040, this Commission approved an increase to the contract cost contingency in the amount of $2,000,000, and an increase to the contract duration contingency of 365 calendar days, increasing the contract cost contingency to $21,598,631, and increasing the contract duration contingency to 1,155 consecutive calendar days, for a total contract amount of up to $64,578,678, and a total contract duration of up to 2,162 consecutive calendar days; and
WHEREAS, On February 9, 2021, by Resolution No. 21-0011, this Commission approved an increase of $1,200,000 to the contract cost contingency, and an increase of 365 ca lendar days to the contract duration contingency, increasing the contract cost contingency to $22,798,631, and increasing the contract duration contingency to 1,520 consecutive calendar days, for a total contract amount of up to $65,778,678, and a total co ntract duration of up to 2,527 consecutive calendar days; and
WHEREAS, Staff recommends an increase of 180 calendar days to the duration contingency to acquire a permit from BART for modification to the access road into Treasure Island Well & Treatment Facility from Mission Road in Colma, California; encroachment permit from Town of Colma; gate, fence, and driveway modifications into the facility; and completion of remaining closeout documents; and
WHEREAS, The Contract Monitoring Division established a Local Business Enterprise (LBE) subcontracting requirement of 14% for this construction contract, and the contractor committed to a n LBE participation of 14.1% with its bid submittal, and this remains unchanged; now, therefore, be it
RESOLVED, That this Commission hereby approves an increase of 180 calendar days to the existing contract duration contingency, for Contract No. WD -2668, Regional Groundwater Storage and Recovery, for a total contract duration contingency of 1,700 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 for a total contract duration of up to 2,707 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 February 22, 2022.
Secretary, Public Utilities Commission
Lake Merced Golf Club
Benjamin Franklin
Intermediate School
Park Plaza Area
Serra Bowl Colma BART
Colma Blvd
Hickey Blvd
Linear Park
Funeral Home
Millbrae Corporation Yard
WD-2668
Regional Groundwater Storage and
Recovery Project
SITE MAP
Serramonte Blvd
Treasure Island
SSF Main Well
Location of majority
of proposed work
under modification
request