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Wastewater Treatment Plant (WWTP)Upgrade and Expansion Project
Neighborhood MeetingAugust 21, 2018
AgendaOverview of Clean Water ProgramWWTP Upgrade and Expansion Project Update—Upcoming Construction• Construction Phase 1: Site Preparation
—Future Construction• Construction Phase 2: Build the Foundation• Construction Phase 3: Build the WWTP Facilities
Q&A Session
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Outreach Activities
Nov JanMar ‐ May Jun Jul
2017 2018FebJun‐Jul Aug – Sep Aug
20162015Nov – Dec MayJan Jun
Community Outreach Channels ‐ Effectiveness Polling
Postcard MailingCity or Clean Water Program Website & Events CalendarPress Release & ArticlesSocial Media—Nextdoor, Facebook, TwitterEmail or E‐Newsletter
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Overview of Clean Water Program
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Aging Wastewater System Infrastructure
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HEAVYRAINS
Peak Wet Weather Conditions & Insufficient Capacity
SEWER MAIN
MANHOLE
Sanitary Sewer Overflow (SSO)What Causes Sewer Overflows?Sewage, PLUS unintended
Rain Water Entering the System
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Sewer Overflow Impacts & Regulatory Violations
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SF BAY
LAGOON
CREEKS
Clean Water Program Drivers and Goals
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Align with City’s Sustainability Goals
Provide Higher Levels of Treatment & Capacity Assurance
Replace Aging Infrastructure
RWQCB Cease & Desist OrderNPDES Permit
Clean Water Program
Before & After Treatment
Reusable Clean Water
1. Collect 2. Treat 3. Discharge
New WWTP Treatment Approach to Prevent Sewer Overflows to SF Bay
Pipe, Pump Station, & In‐System Storage
Upgrades to Prevent SSOs
WasteWater
WWTP Upgrade & Expansion ProjectUpdate
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WWTP Site Location and
Vicinity
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San Francisco BaySeal Point Park
JoinVillePark
Leslie Creek
Leslie Creek
Kehoe Ave
Seal Slough
ExistingWWTP
Shoreview Ave
Detroit Dr.Site John Lee
Dog Park
WWTP Site Location
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Leslie Creek
Detroit DriveSite
WWTP Site Layout
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Aging Existing Facilities to be Replaced
New Facilities
Existing Facilities to be Rehabilitated/ Repurposed
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WWTP Conceptual Renderings
WWTP Conceptual Renderings
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WWTP Conceptual Renderings
Construction – Phase 1
Site Preparation
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Existing Site ‐ Wide Angle ViewPhoto taken August 2018
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Detroit DriveSite
Existing Site – Aerial ViewGoogle Maps Satellite Capture
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Phase 1 – Site PreparationWork includes:‒Demolish retired facilities‒Mass Excavation‒Dewatering System‒Construction Trailers Setup
Schedule:‒Approximately 10 months starting Spring 2019
Conceptual Rendering of Phase 1 Construction Work
Retired Filters
Retired Digesters
Construction Trailers
Dewatering System
Mass Excavation
Phase 1 – Construction Traffic MitigationPhase 1 – Construction Traffic Mitigation
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WWTP Upgrade and Expansion SiteTraffic Management Plan
City Approved Haul Routes
Phase 1 ‐ Dust MitigationPhase 1 ‐ Dust Mitigation
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Wet Sweeping
Rumble Strips at Construction Site Exits
Cover Hauling Trucks
Phase 1 – Anticipated Noise & VibrationPhase 1 – Anticipated Noise & Vibration
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Typical construction noise expectedVibration potentially during demolition activity
Existing Routes to be ClosedAlternate Routes
Portion of Detroit Dr. to be Permanently Closed
Phase 1 ‐ Ped/Bike Access Route AlternativesPhase 1 ‐ Ped/Bike Access Route Alternatives
Phase 1Parking Restrictions& Accommodations
Phase 1Parking Restrictions& Accommodations
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No Public Parking during Construction
Alternative Parking & Facilities
Seal Point Park Parking & Dog Park
Portion of Anchor Rd Parking Lot
Anchor Rd Public On‐Road Parking
Joinville ParkParking Lot
Phase 1 ‐ Staging of Construction Trailers, Contractor Parking, and Equipment LaydownPhase 1 ‐ Staging of Construction Trailers,
Contractor Parking, and Equipment Laydown
AREA 1Dale Ave Undeveloped Open SpaceConstruction Trailers & Parking
AREA 3Portion of Anchor Rd Parking Lot
Contractor Parking
AREA 2Anchor Rd Passive Open Space
Contractor Parking & Equipment Laydown
Phase 1 – Setup Staging Area 1Conceptual Rendering
Phase 1 – Setup Staging Area 1Conceptual Rendering
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Contractor Parking
Screened Fence
Construction Trailers
Path Closed During Construction
Phase 1
Phase 2/3
Phase 3
Phase 3
Phase 3
Dale Ave
Future ConstructionPhases 2 & 3
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Phase 2 – Build the FoundationConcept Rendering of Phase 2 Completed Work
Work includes:—Majority of Pile Driving
—Underground Utilities and Pipes
Schedule: —Tentatively starting Fall 2019 and would last approx. 6‐8 months
—Work overlaps with the Phase 1
Majority of Pile Driving
Underground Utilities & Pipes
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Phase 3 – Build the WWTP FacilitiesConcept Rendering of Completed Project
Work includes:—New Treatment Facilities—Administration Building —Additional Pile Driving—Street and Landscape Improvements
—Demobilization
Schedule:—Tentatively planned to start Summer 2020
—Work overlaps with Phase 2
Construction duration for all three phases is approx. 5 years total
Sign Up for Email [email protected]
Register for Private Neighborhood Updateswww.NextDoor.com
Contact Us www.CleanWaterProgramSanMateo.org650‐727‐6870
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How to Stay Informed and Provide Input
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Q&A Session
