FROM: James D. Herberg, General Manager
Originator: Kathy Millea, Director of Engineering
SUBJECT:
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EMERGENCY DECLARATION FOR LIDO PUMP STATION EAST FORCE MAIN REPAIR
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION:
A. Ratify approval of an Emergency Repair Purchase Order Contract to Charles King Company for Lido Pump Station East Force Main Emergency Repair, Project No. FRC-0019, for an amount not to exceed $215,000;
B. Approve a contingency of $15,000 (7%); and
C. Find that Lido Pump Station East Force Main Emergency Repair, Project No. FRC-0019, is exempt from CEQA under the Class 1 categorical exemptions set forth in California Code of Regulations Section 15301 and authorize staff to file a Notice of Exemption with the OC Clerk-Recorder.
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BACKGROUND
On Friday, November 4, 2022, a sewage spill occurred adjacent to Orange County Sanitation District's (OC San) Lido Pump Station near the Newport Boulevard Arches Bridge. Approximately 9,222 gallons leaked from one of the two pressurized pipes, or force mains, resulting in a temporary closure of the impacted area of Newport Bay. Although swimming and water contact recreation were restricted for three days, subsequent testing revealed no increase in elevated bacteria levels, and the closure was lifted Monday evening, November 7, 2022.
Staff responded to the spill by taking immediate mitigating action to isolate the leak by switching flow from the pump station to the alternate force main pipeline. The spill was reported and cleaned up within a few hours. Almost all of the spilled sewage entered the local storm drain system and was subsequently discharged to the bay.
Shortly after the spill, staff prepared for an internal video inspection of the East Force Main. The force main had to be drained and piping inside the pump station removed to allow access for the inspection scheduled for November 16, 2022. The inspection identified a hole in the pipe at the ...
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