FROM: Robert Thompson, General Manager
Originator: Riaz Moinuddin, Director of Operations & Maintenance
SUBJECT:
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MAIN SEWAGE PUMP NO. 1 AND SPARE SEWAGE PUMP REPAIR AT PLANT NO. 2 (MP2-018), SPECIFICATION NO. S-2024-652BD
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION:
A. Approve a General Services Contract to Bender CCP, Inc. to provide Main Sewage Pump No. 1 and Spare Sewage Pump Repair at Plant No. 2 (MP2-018), Specification No. S-2024-652BD, for a total amount not to exceed $999,780; and
B. Approve a contingency of $99,978 (10%).
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BACKGROUND
The Orange County Sanitation District (OC San) has seven Main Sewage Pumps (MSP) at Plant No. 2 Headworks that transfer wastewater from the Bar Screen facility to the discharge channel and grit basin. MSP's 1 through 3 are dedicated to non-reclaimable flows and MSP 4 through 7 are dedicated to reclaimable flows when operating in separated mode.
RELEVANT STANDARDS
* 24/7/365 treatment plant reliability
* Maintain a proactive asset management program
* Operate and maintain facilities to minimize impacts on surrounding communities, including odor, noise, and lighting
PROBLEM
MSP 1 is showing signs of deterioration due to worn bearings. The Spare MSP has corrosion from prior service and requires refurbishment prior to being put into service. It is essential that these critical pumps be in optimum condition to ensure reliability.
PROPOSED SOLUTION
Approve the General Services Contract to overhaul and recondition both MSP 1 and the spare pump at Plant No. 2 to Original Equipment Manufacturer specifications. The spare MSP will be overhauled first, and upon completion it will replace MSP 1. Subsequently, MSP 1 will be overhauled as well.
TIMING CONCERNS
Due to the criticality of these pumps to the process, MSPs must be continuously operational.
RAMIFICATIONS OF NOT TAKING ACTION
If the preliminary process flow to the plant fails, it could pot...
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