SEWER SYSTEM IMPROVEMENT PROGRAM | Grey. Green. Clean.
Wastewater Capital Programs Quarterly Report
Q4 Fiscal Year 2023-2024 (April 2024 - June 2024)
Bessie Tam, Wastewater Capital Programs Director, Infrastructure Presented to the San Francisco Public Utilities Commission October 22, 2024
SEWER SYSTEM IMPROVEMENT PROGRAM | Grey. Green. Clean.
Construction Updates
2 Anticipated Completion:
Winter 2025
Facility-wide Distributed Control
System (DCS) Upgrade
SEP Power Feed and Primary
Switchgear Upgrades
Anticipated Completion:
Summer 2026
Anticipated Completion:
Summer 2027
Channel Force Main Intertie
(Contract A – Large Diameter Sewer
and Channel Force Main Project)
SEWER SYSTEM IMPROVEMENT PROGRAM | Grey. Green. Clean.
SSIP Phase 1 Status
3 PROJECT COUNT BY PHASE
(as of March 2024)
Planning
$20M
(1 Project)
Phase 1
$4.401M
(70 Projects)
Design
$167M
(5 Projects)
Completed
$507M
(47 Projects)
Construction
$3,547M
(7 Projects)
Bid & Award
$0
(0 Projects)
Closeout
$125M
(9 Projects)
Multi-Phases
$36M
(1 Project)
67.6% Complete
PROJECT COUNT BY PHASE
(as of June 2024)
Planning
$20M
(1 Project)
Phase 1
$4.401M
(70 Projects)
Design
$164M
(4 Projects)
Completed
$525M
(49 Projects)
Construction
$3,547M
(7 Projects)
Bid & Award
$0
(0 Projects)
Closeout
$109M
(8 Projects)
Multi-Phases
$36M
(1 Project)
69.6% Complete
SEWER SYSTEM IMPROVEMENT PROGRAM | Grey. Green. Clean.
SSIP Status - Cost Summary
4 Section I.3 SSIP
Table 3
Negative numbers reflect cost increases`
Subprograms (includes other SSIP)
Expenditures to
Date
($ Million) (A)
Current
Approved
Budget
($ Million) (B)
Current
Forecasted
Budget
($ Million) (C)
Cost Variance
($ Million)
(D = B - C)
Cost Variance
Over Reporting
Period ($ Million)
(E)
Treatment Facilities $2,526.9 $4,258.6 $4,726.2 ($467.6) $0.0 Collection System $309.4 $603.5 $574.6 $29.0 $0.0
Stormwater Management $115.2 $244.0 $243.1 $0.9 $0.0
Flood Resilience Projects $55.8 $656.4 $766.0 ($109.6) $0.0 Land Reuse Projects $85.6 $85.1 $85.6 ($0.5) $0.0
Program Management (PM) $171.0 $340.0 $340.0 $0.0 $0.0
Overall Program Total $3,264.0 $6,187.6 $6,735.4 ($547.8) $0.0 SSIP Phase 1 Total $3,134.5 $4,401.1 $4,704.1 ($303.0) $0.0 Other SSIP Subtotal
(Phase 2 and 3 priorities)
$129.5 $1,786.5 $2,031.3 ($244.8) $0.0
SEWER SYSTEM IMPROVEMENT PROGRAM | Grey. Green. Clean.
Facilities and Infrastructure Status- Cost Summary
5 Section II.3 F&I Program
Table 3
Subprograms
Expenditures to
Date
($ Million) (A)
Current
Approved
Budget
($ Million) (B)
Current
Forecasted
Budget
($ Million) (C)
Cost
Variance
($ Million)
(D = B - C)
Cost Variance
Over Reporting
Period ($
Million) (E)
Facilities and Infrastructure Program $223.1 $630.5 $632.0 ($1.5) $0.0 SEWER SYSTEM IMPROVEMENT PROGRAM | Grey. Green. Clean. 6 Design
1. Combined Sewer Discharge (CSD) Structure Rehab and Upgrades Part 1 – Evans, Mariposa and Lake Merced CSDs completed 35%
2. Oceanside Plant Plant-wide Ventilation Upgrade completed 35%
3. Yosemite Green Infrastructure completed 95%
4. Buchannan Street Mall reached completed 100%
Bid & Award Phase
1. Primary Treatment (SEP 040/041) Health & Safety Improvements
2. Large Diameter and Channel Force Main Intertie – subproject H, East SOMA;
3. Large Diameter and Channel Force Main Intertie – subproject I, Hayes Valley
4. Geary BRT Sewer Improvements – Phase 2
5. Sunnydale Pump Station Safety Improvement
6. Seacliff No. 1 Pump Station and Force Main Upgrade
Construction Phase
1. Large Diameter and Channel Force Main Intertie – subproject C, Panhandle & Inner Sunset
2. Large Diameter and Channel Force Main Intertie – subproject G, South Van Ness Avenue
Capital Programs Milestones
Yosemite Green Infrastructure
Soccer Field
Section I.5 SSIP
Budget and Schedule
Trend Summary
Yosemite Green Infrastructure
SEWER SYSTEM IMPROVEMENT PROGRAM | Grey. Green. Clean.
Southeast Plant Biosolids Digester Facilities Project
7 Planning through Bid & Award Construction Close Out
Project Schedule:
Project Cost: Forecast Budget $2,673M
(Approved Budget $2,373M)
Progress and Status:
1. All digester covers have been lifted into place
2. Installation of digesters’ exterior panels and coating of digester interior is progressing
3. Construction of the upper floors in the biosolids
dewatering building is underway
4. Three of the four tank silos for the dewatered biosolids have been assembled
5. Delivery approach for the Biogas Utilization Project is now a City-led Design-Build approach vs. Public Private Partnership (P3)
2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029
SEWER SYSTEM IMPROVEMENT PROGRAM | Grey. Green. Clean.
Southeast Plant New Headworks Facility Project
Project Cost: Forecast Budget $717M
(Approved Budget $689M)
Progress and Status:
1. Majority of construction is complete for fine screen, grit influent splitter box, grit tank/grit handling, primary influent distribution, influent pump station, and odor control areas
2. The electrical area elevator has been installed and installation of the elevator in the grit handling area continues
3. Structural strengthening of the south channel of the influent pumping station is complete
4. Operational readiness testing in-progress for all process areas 8 Planning through Bid & Award Construction Close Out
2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029
Project Schedule:
SEWER SYSTEM IMPROVEMENT PROGRAM | Grey. Green. Clean.
MOVING FORWARD. sfpuc.org/ssip
Images courtesy of Engineering Archives Photography/Robin Scheswohl and Sabrina Wong