DEPARTMENT
Infrastructure Division
AGENDA NO.
11b
MEETING DATE
October 24, 2022
APPROVAL:
COMMISSION
SECRETARY
Donna Hood
AGENDA ITEM
Public Utilities Commission
City and County of San Francisco
Construction Award: Consent Calendar
Project Manager: Ryan Freeborn
Approve Increase to Construction Cost and Duration Contingencies for Contract No.
WD-2811, 8-Inch and 16 -Inch Ductile Iron Water Main Replacement on 17 th Street from Clayton Street to Douglass Street and Various Side Streets
Summary of
Proposed
Commission Action:
Approve a $410,000 increase to the contract cost contingency , and a 100 calendar-day increase to the con tract duration contingency, for Contract No.
WD-2811, 8-Inch and 16 -Inch Ductile Iron Water Main Replacement on 17 th Street from C layton Street to Do uglass Street and Various Side Streets to perform additional curb ramp and pavement restoration w ork, increase the number of water service screw taps and air valves, remove and dispose of roadbase thicker than standard, assist City crews with night work, and repair a leaking water mai n; and authorize the General Manager to app rove future modifications to the contract for a total contract amount of up to $7,340,345 and a total contract duration of up to 952 consecutive calendar days (approximately two years and seven months).
Background: On January 14, 202 0, by Resolution No . 20-0005, the Commission awarded Water Enterprise Contract No. W D-2811, 8-Inch and 16- Inch Ductile Iro n Water Main Replacement on 17 th Street from Clayton Str eet to Douglass Street and Various Side Streets. The original contract amount was $6,300,314 and the original contract duration was 775 consecutive calendar days.
Description of Scope
of Work:
The contract work location is on 17th Street from Clayton Street to Douglass Street in San Francisco, California. The contract work consists of:
• Installation of approximately 7,400 linear feet of 4 -inch, 6-inch, and 8- inch diameter ductile iron pipe;
• Installation of approximately 2,700 linear feet of 12- inch diameter ductile iron pipe;
• Installation of approximately 1,900 line ar fee t of 16- inch diameter ductile iron pipe;
• Installation of 1,190 linear feet of 1 -inch and 2 -inch diameter copper tubing water service pipe;
• Renewing 2,840 linear feet of 1-inch diameter plastic service pipe using Contract: WD-2811, 8-Inch and 16-Inch Ductile Iron Water Main Replacement on 17th Street from Clayton Street to Douglass Street and Various Side Streets
Commission Meeting Date: October 24, 2022
trenchless installation;
• Constructing curb ramps; and
• Pavement restoration.
Changes and
Modifications to the
Contract:
Modification Nos. 1 to 3 increased the contract amount by $411,347 (within the original contingency) and increased the contract duration by 77 consecutive calendar days (within the ori ginal contingency) to furnish ductile iron pipe, perform additional survey monument referenc ing, replace an existin g ga te valve, perform additional excavation around a retaining wall, provi de pole and de-poler support for Muni trolly busses, demobilize and remobilize access at a polling place on election day, and for delays related to PG&E’s verification to confirm exposed gas mains that were deactivated for safe removal, for a total contract amount of $6,711,661, and a total contract dura tion of 852 consecutive calendar days.
Recommended Increase to Contract Cost and Duration Contingency Staff recommends a $410,000 increase to the existing cost contingency and a 100 ca lendar day increase to the existing duration contingency to perform additional curb ramp and pavement restoration w ork, increase the number of water service screw taps and air valves, remove and dispose of roadbase thicker than standard, assist City crews with night work, and repair a leaking water main, for a total contract amount of up to $7,340,345, and a total contract duration of up to 952 consecutive calendar days.
Budget & Costs: Funding: Local C onveyance/Distribution System Program Project No.
CUW26001A6 (10033798), WD 2811 17th/Clayton/Ord
Original Contract Amount: $6,300,314
Original 10% Cost Contingency: $630,031
Requested Additional Cost Contingency: $410,000
Total Requested Contract Cost Limit: $7,340,345
Schedule: Notice-to-Proceed Date: May 26, 2020
Original Contract Duration: 775 consecutive calendar days Original 10% Duration Contingency: 77 calendar days
Requested Additional Duration Contingency: 100 calendar days Total Requested Contract Duration Limit: 952 consecutive calendar days
Compliance with
Chapter 14B: Local
Business Enterprise
Utilization and Non-
Discrimination in
Contracting
Ordinance:
The Contract Monitoring Divi sion (CMD) established a Local Business Enterprise (L BE) subcontracting requirement of 20% for this contract . The contractor committed to a LBE participation of 20.2% with its bid submittal.
Recommendation: San Francisco Public Utilities Commission (SFPUC) staff recommends that the Commission adopt the attached resolution.
Contract: WD-2811, 8-Inch and 16-Inch Ductile Iron Water Main Replacement on 17th Street from Clayton Street to Douglass Street and Various Side Streets
Commission Meeting Date: October 24, 2022
Location Map
PUBLIC UTILITIES COMMISSION
City and County of San Francisco
RESOLUTION NO.
WHEREAS, The San Francisco Public Utilities Commission (SFPUC) must maintain its local water conveyance and distri bution system which require s replacement of approximately 12,000 feet of ductile iron water conveyance pipe and ancillary water service pipe, construct curb ramps, and restor e pavement within the project limits , to ensure reliable wate r delivery within San Francisco; and
WHEREAS, On January 14, 2020, by Res olution No. 20-0005, the Commission awarded Water Enterprise Contract No . WD -2811, 8-Inch an d 16 -Inch Ductile Iron Water Main Replacement on 17th Street from Clayton Street to Douglass Street and Various Side Streets to M Squared Construction, Inc.; and
WHEREAS, On May 26, 2020, the SFPUC issue the construction c ontract Notice -to- Proceed; and
WHEREAS, The original contract amount was for $6,300,314 a nd the original contract duration was 775 consecutive calendar days; and
WHEREAS, Modifications Nos. 1 to 3 increased the contr act amount by $411,347 and increased the contract durat ion by 77 consecutive calendar days to fu rnish ductile iron pipe, perform additional survey monument referenc ing, replace an existin g ga te valve, perform additional excavation around a retaining wall, provide pole and de-poler support for Muni trolly busses, demobilize and remobilize access at a poll ing place on election day, and for delays related to PG&E’s verification to confirm exposed gas mains were de activated for safe removal, for a tot al contrac t amount of $6,711,661, and a total contract duration of 852 consecutive calendar days; and
WHEREAS, Staff recommends a $410,000 increase to the contract cost contingency and a 100 calendar day increase to the contract duration contingency to perform additional curb ramp and pavement restoration wor k, increase the number of water service screw taps and air valv es, remove and dispose of r oadbase thicker than standard, assist City crews with night work, and repair a leaking water main; and
WHEREAS, Contract Monitoring Division (CMD) established a Local Bus iness Enterprise (LBE) subcontracting participation of 20% for this contract, and the contractor committed to a LBE participation of 20.2% with its bid submittal; and WHEREAS, Funds are available from Proj ect No. CUW26001A6 (10033798), WD 2811 17th/Clayton/Ord; now, therefore, be it
RESOLVED, That this Commission hereby approves $410,000 increase to the existing contract cost contingency and a 100 calendar day increase to the existing contra ct duration contingency for Water Enterprise, Local Conveyance/Distribution System Program -funded Contract No. WD-2811, 8-Inch and 16-Inch Ductile Iron Water Main Replacement on 17th Street from Clayton Stre et to Douglass Street an d Various Side Streets , for a total co ntract cost contingency of $1,040,031 and a total contract durat ion contingency of 177 calendar days; and be it
FURTHER RESOLVED, That this Comm ission hereby authorizes the General Manag er, or the General Manager ’s designee, to consi der, and, if appropriate, to approve a ny future modifications to the contract amount for a total contract amount of up to $7,340,345, and a total contract duration of up to 952 consecutive calendar days.
I hereby certify that the foregoing resolution was adopted by the Public Utilities Commission at its meeting of October 24, 2022.
Secretary, Public Utilities Commission