FROM: James D. Herberg, General Manager
Originator: Rob Thompson, Assistant General Manager
SUBJECT:
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PURCHASE OF TWO 220 KVA TRAILER MOUNTED DIESEL GENERATORS
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GENERAL MANAGER'S RECOMMENDATION
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RECOMMENDATION:
A. Approve a Purchase Order to Multiquip Inc. for the purchase of two Multiquip Model DCA220 Trailer Mounted Diesel 220 kVA Electric Generators (Tier-4 Final Engine) using Sourcewell Cooperative Contract No. 041719-MTQ for a total amount not to exceed $230,950; and
B. Approve a contingency of $11,548 (5%).
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BACKGROUND
The Orange County Sanitation District (Sanitation District) utilizes trailer-mounted standby electrical generator systems to provide critical power generation to the collection system pump stations during planned and emergency power outages. The units to be replaced by this purchase are unreliable, in a state of obsolescence, and do not meet current engine emissions standards. Diesel engines used in portable generators are regulated by the California Air Resources Board to meet the clean air standards.
RELEVANT STANDARDS
* Achieve less than 2.1 sewer spills per 100 miles
* Comply with environmental permit requirements
* Meet or exceed sanitary sewer overflow regulations
* Commitment to safety & reducing risk in all operations
PROBLEM
In an extended power outage, including planned outages for maintenance activities, the Sanitation District requires a backup power supply for its collection system pump stations. The existing generators have reached the end of their useful lives and have a limited number of permitted run time hours per year that is insufficient to support emergency operations or planned maintenance activities.
PROPOSED SOLUTION
Purchase two 220 kVA (Tier-4 final diesel engine) trailer-mounted emergency electrical generators that can operate as a single unit or in parallel with another trailer-mounted generator to provide adequate power to the pump stations or tre...
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