wastewater treatment plant (wwtp) upgrade and expansion
TRANSCRIPT
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