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Wastewater Capital Programs Quarterly Report
Q4 Fiscal Year 2024-2025 (April 2025 – June 2025)
Bessie Tam, Wastewater Capital Programs Director, Infrastructure Presented to the San Francisco Public Utilities Commission September 23, 2025
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Construction Updates
2 Anticipated Completion:
Fall 2025
Sunnydale Pump Station
Safety Improvements
(WW-755)
Southeast Plant Power Feed and
Primary Switchgear Upgrades
(WW-662R)
Anticipated Completion:
Summer 2027
Anticipated Completion:
Spring 2028
Geary Blvd Sewer and Water
Improvements
(WW-743)
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SSIP Phase 1 Status
3 PROJECTS BY PHASE
(as of March 2025)
Planning
$22M
(1 Project)
Phase 1
$4.707M
(70 Projects)
Design
$76M
(3 Projects)
Completed
$570M
(54 Projects)
Construction
$3,885M
(7 Projects)
Bid & Award
$0
(0 Projects)
Closeout
$42M
(3 Projects)
Multi-Phases
$112M
(2 Projects)
75.7% Complete
PROJECTS BY PHASE
(as of June 2025)
Planning
$22M
(1 Project)
Phase 1
$4.707M
(70 Projects)
Design
$76M
(3 Projects)
Completed
$570M
(54 Projects)
Construction
$3,885M
(7 Projects)
Bid & Award
$0
(0 Projects)
Closeout
$42M
(3 Projects)
Multi-Phases
$112M
(2 Projects)
76.5% Complete
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SSIP Status – Cost Summary
4 Section I.3 SSIP
Table 3
Negative numbers reflect cost increases
Subprograms (includes other SSIP)
Expenditures to
Date
($ 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 $3,167.2 $6,202.1 $6,356.6 ($154.6) $1.5 Collection System $344.1 $611.5 $611.5 ($0.0) 0.0
Stormwater Management $120.9 $343.5 $342.8 $0.7 0.0
Flood Resilience Projects $74.1 $766.0 $810.0 ($44.0) 0.0 Land Reuse Projects $85.6 $88.9 $88.9 $0.0 0.0
Program Management (PM) $182.6 $340.0 $340.0 $0.0 0.0
Overall Program Total $3,974.5 $8,351.8 $8,549.7 ($197.9) $1.5 SSIP Phase 1 Total $3,769.5 $4,707.4 $4,869.5 ($162.1) $0.0 Other SSIP Subtotal
(Phase 2 and 3 priorities)
$205.0 $3,644.4 $3,680.2 ($35.8) $1.5
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Facilities and Infrastructure Status – Cost Summary
5 Section II.3 F&I Program
Table 3
Subprograms
Expenditures to
Date
($ 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 $207.8 $484.3 $471.6 $12.6 $15.6 SEWER SYSTEM IMPROVEMENT PROGRAM | Grey. Green. Clean.
Projects Initiated
1. Dechlorination Process (NPF 500) Evaluation & Interim Rehabilitation
Planning Milestones
2. Conceptual Engineering Report: Sedimentation (NPF 040/041) Tanks Condition Improvement
3. Combined Needs Assessment and Alternative Analysis Report:
Systemwide CSD & T/S Monitoring Equipment Assessment
Design Milestones (35%, 95% or 100%)
4. Biosolids Digester Facilities Project – Biogas subproject
5. SEP Condition Improvement Projects – Part 1
6. Pump Station Security Upgrades (Cesar Chavez, Griffith Station, Channel Station, Merlin Morris Station)
7. Solids Thickening (OSP 011) Process Upgrades
8. OSP Plant-wide Ventilation (HVAC) Upgrades
Advertised & Received Bids
9. SEP 550 Booster PS Condition Inspection & Interim – Construction contract
10. Brannan Outfall 19 Discharge/Baffle Rehab & Sansome Outfall 15 Valve: Brannon St. Outfall (Contract A)
11. CSD Structure Rehab & Upgrades – Part 1 – Mariposa, Evans and Lake Merced (Contract C)
6 Section I.5 SSIP
Budget and Schedule Summary
Construction Contracts Awarded
12. Large Diameter Sewer Projects and Channel FM Intertie – West SOMA, Panhandle, and Inner Sunset Sewer
Improvements
13. CSD Structure Rehab & Upgrades – Part 1 – Laguna, Howard, and Mission Creek CSD (Contract A/B)
14. Green Infrastructure Grant Program – Panorama Elementary School
Construction Notice to Proceed
15. Seacliff No. 2 Pump Station & Force Main Upgrade
16. Buchanan Street Mall
17. SEP New Headworks (Grit) Replacement – Scope IV
Substantial Completion/Completed
18. North Shore Wet Weather Pump Station Improvements and Disinfection
19. Geary Underpass Pump Station Safe Access Enhancements
20. Taraval Sewer Improvements – Contract C 19th Avenue Sewer Milestones Achieved During the Quarter
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Southeast Plant Biosolids Digester Facilities Project
7 Planning through Bid & Award Construction Close Out
Project Schedule:
Forecast Budget: $2,837M
Progress and Status:
• Biosolids Digester Facilities construction continues with:
o Installation of mechanical, electrical, and plumbing work; process piping equipment at the digesters; solids
pretreatment/dewatering facilities;
o Interior and exterior architectural finishes are underway. o Concrete work and under slab installations for the
thermal hydrolysis equipment, steam generation and
digester cooling towers are in place.
o Coordination for functional testing, facility start-up and commissioning are in progress.
• For the Biogas Utilization Facility, the 35% Design package is complete.
2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029
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Southeast Plant New Headworks Facility Project
Forecast Budget: $717M
Progress and Status:
• New Headworks Facility work continues to proceed towards Final Completion:
o Testing for the fine screen handling, odor control, security, and fire alarm system is nearing completion.
o Southeast Plant site-scape and Evans Avenue
streetscape were completed.
o Elevators were certified by CA OSHA.
• Demolition of the former Headworks Building (SEP 012) is underway. 8
Planning through Bid & Award Construction Close Out
2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029
Project Schedule:
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Images courtesy of Engineering Archives Photography/Robin Scheswohl and Sabrina Wong