Wet Weather
Preparations
Informational Update
Matt Fabry, P .E.
Deputy Director – Public Works Department
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Council Feedback & Direction
This is an informational update only, general City Council feedback is welcome.
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Stormwater System
When it rains, EVERYONE in San Mateo relies on our stormwater system. It comprises:
130 miles
of storm drain
pipes, 6,000 catch
basins
20 miles
open creeks
& drainage
channels
(public & private)
1 flood control lagoon
(Marina Lagoon)
10 pump stations
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• North Shoreview/Pump Stations District
• San Mateo Creek
• Third & Detroit Pump Station
• 16th Avenue/Leslie Creek
• 19th Avenue/Borel Creek
• Laurel Creek
• Mariners Island/Direct to Marina Lagoon
Background
Watersheds
Population
105,000
Area
12 sq. mi.
land
Seven major watersheds
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Immediate-term Actions
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Project/Task
A Additional Marina Lagoon Pump Station pump vibration analysis at summer lagoon levels B Develop Marina Lagoon Alternatives Analysis for Pumping Below 95’ C Install debris rack at 4000 Pacific Boulevard Pump Station D Provide data on City’s website for Marina Lagoon levels and pumps running E Implement additional safety systems for trash rack cleaning at Marina Lagoon Pump Station F Develop an RFP to update the 2004 Storm Drain Master Plan and develop a prioritized implementation strategy G Inspect and clean all City-owned trash capture devices H Inspect and clean all City-owned trash racks
I Inspect and clean all storm pump station wet wells
J Prepare traffic control/closures and stage materials for roads with known flooding concerns K Coordinate with Office of Emergency Services on wet weather planning and training L Work with community on Marina Lagoon Pump Station Standard Operating Procedures M Establish a Marina Lagoon Resident Flood Watch communication program N Coordinate improved public outreach and messaging on emergency preparations
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Marina Lagoon Levels &
Pump Status Dashboard
Draft Request
for Proposals
for Storm
Drain Master
Plan
Update/LiDAR
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Before
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Storm Pump
Stations -
Wet Well
Cleaning
After
Road Closure Preparation
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Outreach, Education, & Engagement
Winter Storm Preparedness Campaign
• Print & electronic mailers
• Social media
• Rain barrel rebate program
• Adopt a Drain Program
www.cityofsanmateo.org/AdoptADrain
• Continue to use emergency alert
systems, as needed (SMC Alert & Nixle)
www.cityofsanmateo.org/floodprep
www.cityofsanmateo.org/stormwater
10 Immediate-term Actions
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1 Perform maintenance on all five diesel engines, upgrade wiring, programming, and alarms, and purchase a spare pump lubricator system at Marina Lagoon Pump Station
2 Deploy up to five (5) Sand Bag stations throughout the City for upcoming rainy season, with focus on areas with history of flooding, and coordinate with community volunteers for filling bags, monitoring stations
3 Inspect and clean all catch basins before rainy season and recurring cleaning at hot spots throughout rainy season
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Marina Lagoon Pump Station
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Marina Lagoon Pump Station
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Sandbag Stations
Anchor Road Lot
Corporation Yard
Beresford Park Lot
Parkside Aquatic Park Lot
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Sandbag Stations
www.cityofsanmateo.org/sandbags
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Catch Basin Cleaning
Short- and Mid-term actions
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4 Localized lagoon maintenance dredging under existing permit 5 Localized, small-scale drainage improvements
6 Camera monitoring of priority creeks/trash racks
7 LiDAR aerial survey (Ground surface, creeks, & lagoon bathymetric) 8 Storm Water Master Plan Update
Model Update, Alternatives Analysis, Prioritization, Report Storm Drain Condition Assessment
Pump Station Condition Assessment
9 Marina Lagoon Dredging: Design, Environmental, & Permitting Environmental Study
Permitting
Design
Localized Lagoon Maintenance Dredging Under Existing Permit Status of Appropriations
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OPERATING BUDGET
SPEND CATEGORY MARINA LAGOON WET WEATHER PREPARATION
ENCUMBERED/
SPENT
Other Contractual Services 500,000 132,000 481,410
Maintenance & Repairs - Equipment Services 27,000
Maintenance & Repairs - Materials, Parts, & Supplies 50,000 9,000 Rents & Leases of Equipment 66,000
Salaries - Regular 125,000 90,000
TOTAL 500,000 400,000
Supplier Description of Services Amount Liquidated Remaining Cummins Marina Lagoon Engine Maintenance 303,562.87 303,562.87 Telstar Marina Lagoon Pump Control Upgrades 96,888.87 8,554.50 88,334.37 Enterprise Automation Marina Lagoon SCADA Programming 40,804.00 40,804.00 Exim Engineering Marina Lagoon Pump Automatic Lubricator 27,454.53 27,454.53 JDH Corrosion Consultants Purchase of Cathodic Protection Auto-Potential Rectifier 12,700.00 12,700.00 TOTAL 481,410.27 8,554.50 472,855.77
Capital Project Appropriation - Project 46c006: ($2,100,000) 4 Localized lagoon maintenance dredging under existing permit 5 Localized, small-scale drainage improvements
6 Camera monitoring of priority creeks/trash racks
7 LiDAR aerial survey (Ground surface, creeks, & lagoon bathymetric) 19 of 21
San Mateo Creek
Crystal Springs Reservoir
SFPUC/OneShoreline
Community Safety Tips
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• Prepare in advance – get sandbags & any supplies early, charge devices
• Sandbag info at: www.cityofsanmateo.org/sandbags
• Clear gutters around your home
• Check sump pumps on your property
• Remove belongings from areas that flooded in the past • Adopt-a-Drain to help keep storm drains near your home clear & report clogged drains
• Stay in the know – follow weather updates,
sign up for alerts (Nixle.com & SMCAlert.org)
• Avoid driving during storms if you can & NEVER DRIVE
THROUGH A FLOODED ROAD
• Visit www.cityofsanmateo.org/floodprep
Council Feedback & Direction
This is an informational update only, general City
Council feedback is welcome.
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