FROM: James D. Herberg, General Manager
Originator: Rob Thompson, Assistant General Manager
SUBJECT:
title
PLANT 2 PRIMARY EFFLUENT PUMP STATION PUMP #4 REBUILD
end
GENERAL MANAGER'S RECOMMENDATION
recommendation
RECOMMENDATION:
A. Approve a Sole Source Purchase Order for Plant 2 Primary Effluent Pump Station Pump #4 Rebuild to Vaughan's Industrial Repair Co., Inc. for the rebuild of one Fairbanks Morse vertical pump, for an amount not to exceed $134,030, plus shipping; and
B. Approve a contingency of $13,403 (10%).
body
BACKGROUND
The Primary Effluent Pump Station (PEPS) feeds primary-treated wastewater to the Activated Sludge (AS) secondary treatment facilities at Orange County Sanitation District (OC San) Plant No. 2 for further treatment prior to discharge through the ocean outfall. The PEPS pumps were installed in 1981 and have been in service for 40 years.
RELEVANT STANDARDS
* 24/7/365 treatment plant reliability
* Comply with environmental permit requirements
* Maintain a proactive asset management program
* Operate and maintain facilities to minimize impacts on surrounding communities, including odor, noise, and lighting
PROBLEM
A recent condition assessment of the PEPS Pump No.4 found degradation and damage that needs to be repaired on the discharge elbow, pump impeller, and suction bell.
PROPOSED SOLUTION
Approve a Sole Source Purchase Order to Vaughan's Industrial Repair Co., Inc. to rebuild the Fairbanks Morse pump, PEPS Pump #4. Vaughan's Industrial Repair Co., Inc. is the sole authorized service center for these Fairbanks Morse pumps.
TIMING CONCERNS
The PEPS Pump Station consists of four pumps, three designated for normal duty and one designated for stand-by duty. Failure to repair PEPS Pump No. 4 would potentially result in the reduction in reliability to the secondary treatment capacity at the Plant No. 2 AS Plant.
RAMIFICATIONS OF NOT TAKING ACTION
Failure to repair the PEPS Pump No.4 would result i...
Click here for full text