File #: 2024-3401    Version: 1 Name:
Type: Consent Status: Passed
File created: 12/19/2023 In control: OPERATIONS COMMITTEE
On agenda: 2/7/2024 Final action: 2/7/2024
Title: COOPER BESSEMER PISTONS FOR SPARE INVENTORY
Sponsors: Riaz Moinuddin
Attachments: 1. Agenda Report
Related files: 2024-3469
FROM: Robert Thompson, General Manager
Originator: Riaz Moinuddin, Director of Operations & Maintenance

SUBJECT:

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COOPER BESSEMER PISTONS FOR SPARE INVENTORY
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GENERAL MANAGER'S RECOMMENDATION

recommendation
RECOMMENDATION: Recommend to the Board of Directors to:

A. Approve a Sole Source Purchase Order to Cooper Machinery Services LLC for the procurement of 16 spare piston assemblies for the Central Generation (CenGen) engines, for a total amount not to exceed $367,931 including applicable sales tax & freight; and

B. Approve a contingency of $36,793 (10%).
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BACKGROUND

The Orange County Sanitation District (OC San) operates eight internal combustion engines, three 12-cylinder engines, and five 16-cylinder engines manufactured by Cooper Bessemer at the CenGen facilities at Plant Nos. 1 and 2. These engines play a vital role in OC San's emissions reduction and SCAQMD permit compliance by converting biogas into electricity and process heat. To maximize efficiency and meet emission requirements, CenGen engine components must meet specifications set by the original equipment manufacturer (OEM). These parts are critical spares and need to be inventoried by OC San.

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

OC San does not have spare replacement piston assemblies in inventory. Pistons are subject to normal wear and are not readily available. As the engines continue to age, the availability of these parts are becoming difficult to resource. Lead time to procure these pistons can take up to one year.


PROPOSED SOLUTION

Approve a Sole Source Purchase Order to procure 16 spare piston assemblies for the Cooper Bessemer engines to maintain asset availability and minimize process downtime. These spares are suitable to use at either plant in...

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