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CC - (1) Approval of a Professional Services Agreement with Mulholland Consulting, Inc. for Design of Catch Basin Trash Excluder Inserts and Transfer of Los Angeles County-Owned Catch Basins to the City in an Amount Not-to-Exceed $54,831.
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Meeting Date: August 10, 2020
Contact Person/Dept: May Ng/PW Dept.
Phone Number: (310) 253-6406
Fiscal Impact: Yes [x] No [] General Fund: Yes [] No [X]
Public Hearing: [] Action Item: [] Attachments: []
Commission Action Required: Yes [] No [X] Date:
Public Notification: (E-Mail) Meetings and Agendas - City Council (08/05/2020);
Department Approval: Charles D. Herbertson, PW Director/City Engineer (07/22/2020)
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RECOMMENDATION
Staff recommends the City Council approve a professional services agreement with Mulholland Consulting, Inc. for design of catch basin trash excluder inserts and transfer of Los Angeles County-owned catch basins to the City in an amount not-to-exceed $54,831.
BACKGROUND/DISCUSSION
Both the Municipal Separate Storm Sewer Systems (MS4 Permit) and Trash Total Maximum Daily Load regulations (TMDL) require zero trash to be discharged to Ballona Creek. Compliance is attained by installing full-capture trash excluder inserts in catch basins. The inserts consist of automatic retractable screens (ARS) across catch basin curb openings and connector pipe screens (CPS) mounted inside catch basins across the pipe outlet. Both devices are typically installed on each catch basin; however, physical conditions may prevent installation of either or both of the devices at any particular location. The devices are designed to avoid blockages and maintain flood protection while preventing trash passing through the catch basin and entering into Ballona Creek.
There are 646 catch basins equipped with full-capture excluder inserts within the City. The inserts consist of automatic ...
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