Session 4B - Using Infrastructure Controls - Ziad Mazboudi
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Transcript of Session 4B - Using Infrastructure Controls - Ziad Mazboudi
Session 4B: Tackling Litter and Marine Debris
from Different Angles
Using Infrastructure Controls to StopLitter from reaching the Waterways
in Orange County
By Ziad Y. Mazboudi, PE. QSP/QSD, CPSWQ, CPESC, LEED AP
Senior Civil Engineer
Orange County34 cities & County unincorporated
948 sq. miles13 Watersheds
Population: 3.1 Million
$
42 miles of beaches
= $$$$$
So, how do we go
from this to
that?!
The Basics $Enhanced Street Sweeping Storm drain stencilingPublic Education Beach and creek clean
up eventsTrash/recycling containers Enforcement
Intermediate $$Catch basin screens/inserts
Linear radial screens
Serious TreatmentHydrodynamic Separators
DiversionsLitter Booms
$$$The Trash Infrastructure Pyramid
California Proposed Trash Policy
Catch Basin Screens
United Stormwater screen cover
REM Curb protector with hydrocarbon pouch
United Stormwater ARS wing-gate
Catch Basin inserts
Kristar FloGuard Plus
United Stormwater DrainPac Bio Clean Grate Inlet Skimmer Box
All catch basins in Dana Point have an insert with a filter
Total: 800Cost per year to maintain: $140,000
Average debris removed annually: 50 Tons
1,407 Automatic Retractable Screens 99 Catch Basin Inserts 4 CDS10 Linear Radial Removal Devices 44 curb inlet baskets 1 Marina Trash Skimmer
City of San Juan CapistranoLinear Radial Gross Solid Removal Device
Roscoe Moss
The system can treat up to 970,000 gallons per day, but averages about 350,000 gpd.Trash/debris are removed in wet well,
Poshe BeachSystem treats up to 800 gpm peak (1.8 cfs) or 1.1 million gallons per day.Gross solids (trash/debris) are removed in a wet well, then runoff passes through sand filters and then a UV chamber to destroy bacteria.
City of San Clemente
City of San ClementeStorm Drain Treatment Units
Locations:• Calafia• Parque Del Mar• West El Portal• West Mariposa/Escalones• Palizada• Linda Lane
City of Dana PointDiversions with CDS units
Hydrodynamic separator during construction
CDS unit with debris CDS unit cross section
Media filtration vault at Baby Beach
Trash and Debris booms
Street projects with limited right of way using Filterra or similar devices
Alton Parkway extension project
Resources• Santa Clara Valley Urban Runoff Pollution Prevention
Program – Trash BMP Tool Box- Treatment and Institutional Controls
• MUNICIPAL BEST MANAGEMENT PRACTICES FOR CONTROLLING TRASH AND DEBRIS IN STORMWATER AND URBAN RUNOFF – California Coastal Commission & Algalita Marine Research Foundation
• County of Orange Stormwater Program• City of San Clemente• City of Dana Point• OCTA
Questions
Ziad Y. Mazboudi, PECity of San Juan Capistrano
Senior Civil [email protected]
Tel: 949-234-4413www.sanjuancapistrano.org