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CC - Approval of Amendment to a Professional Services Agreement with California Watershed Engineering for Additional Civil Design Services and Environmental Studies for Washington Boulevard Stormwater Diversion Project, PR-001 in an Amount Not-to-Exceed $137,142 ($124,742 Base Cost with a 10% Contingency of $12,400)
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Meeting Date: July 23, 2018
Contact Person/Dept: Lee Torres
Phone Number: (310) 253-6457
Fiscal Impact: Yes [x] No [] General Fund: Yes [] No [x]
Public Hearing: [] Action Item: [] Attachments: []
Commission Action Required: Yes [] No [] Date:
Public Notification: (E-Mail) Meetings and Agendas - City Council (07/18/18);
Department Approval: Charles D. Herbertson, Public Works Director/City Engineer
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RECOMMENDATION
Staff recommends the City Council approve an amendment to a professional services agreement with California Watershed Engineering for additional civil design services and Environmental Studies for Washington Boulevard Stormwater Diversion Project, PR-001 in an amount not-to-exceed $137,142 ($124,742 base cost with a 10% contingency of $12,400).
BACKGROUND/DISCUSSION
On May 30, 2017, Council approved the professional services agreement for civil design for the Washington Boulevard Stormwater Diversion Project, PR-001.
The Public Works Department's Environmental Programs and Operations Division (PW-EPO) is proposing a Diversion System Project (Project) to capture stormwater/urban runoff from approximately 42 acres of drainage area (including Costco). This drainage area is primarily commercial and residential. The City proposes to capture, treat, and retain the 85th percentile, 24-hour storm event into large storage chambers under Washington Boulevard. After 72 hours of a rain event, the captured volume will then be pumped back into an existing sanitary sewer system conveying the runoff to the...
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