FROM: James D. Herberg, General Manager
Originator: Rob Thompson, Assistant General Manager
SUBJECT:
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CENTRAL GENERATION ENGINE OVERHAUL AT PLANT NO. 1
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GENERAL MANAGER'S RECOMMENDATION
recommendation
RECOMMENDATION:
A. Award a Sole Source Service Contract to Cooper Machinery Services to provide a Central Generation Engine No. 1 Overhaul at Plant No. 1, per Proposal 210204-839, for a total amount not to exceed $3,705,932; and
B. Approve a contingency of $741,186 (20%).
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BACKGROUND
The Orange County Sanitation District (Sanitation District) operates eight Central Generation (Cen Gen) engines manufactured by Cooper Bessemer. The Cen Gen facilities began service in 1993 to improve air emissions by using clean burn engine technology to convert biogas into electricity and process heat. The Cen Gen facilities supply approximately 60% of the electricity for our treatment plants. Heat recovered from the engines is used in the digestion process and for absorption chillers at Plant No. 1 providing cooling for the Administration Building, Laboratory Building, Central Generation Building, and Operations Building.
The Cen Gen plants have been providing reliable service for more than 25 years and the engines are now in need of scheduled major overhauls. In October 2019, a service contract was awarded to UPS Midstream Services, Inc. to overhaul the first two of the eight engines. UPS Midstream Services was selected using a competitive proposal solicitation process.
Original Equipment Manufacturer (OEM) service and parts have been supplied through General Electric. Recently, General Electric spun off Cooper Machinery Services to provide these OEM parts and services.
RELEVANT STANDARDS
* Protect OC San assets
* Maintain a proactive asset management program
* Use all practical and effective means for resource recovery
* 24/7/365 treatment plant reliability
PROBLEM
UPS Midstream Services has been unable to complete the nec...
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