2025 LS Generators RFP-Addendum#3.pdf

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Attached to
Sanitary Lift Stations Generator Install
Solicitation number
RFP-03-07-2025-001
Issued by
Berrien County, Ann Arbor City, Michigan

About this file

This document is Addendum #3 for a state and local contract opportunity issued by Auburn Hills, Michigan, relating to the Sanitary Lift Stations Generator Install project. The addendum addresses the specific generator requirements for two locations: Grey Rd and Lake Angelus, with revised generator specifications. The bid is for furnishing and installing two on-site generators, with a bid due date of Friday, March 28, 2025, at 10:00 AM. The addendum provides updated generator specifications: a 60 KW Cummins model C60N6 for the Grey Rd location and a 125 KW Cummins model C125N6 for the Lake Angelus location, superseding previous specifications.

The addendum includes an important note for bidders that if alternate generator manufacturers or models are proposed, the equipment must meet or exceed the performance capabilities of the specified Cummins models. The generator sizing was determined through independent analysis of starting and running loads at both sites, with sizing reports attached. All other requirements from the original bid specifications remain unchanged. The document provides clear guidance for potential bidders on the generator specifications and performance expectations for this municipal infrastructure project.

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ADDENDUM # 3

BID ID: 03-07-2025-001

BID NAME: Sanitary Lift Station(s) Generator Install

ITEM: Furnishing & Installing (2) on-site generators for two sanitary lift stations

DUE DATE: Friday, March 28, 2025 at 10:00 AM

This addendum addresses the sizing of the generators needed at each site, which was unresolved as of Addendum #2. Please note the bid due date of March 28, 2025. Based on independent analysis of the starting and running loads at both sites, the generator specifications have been revised as follows:

1. Grey Rd Location – REVISED SPECIFICATION - 60 KW (Cummins model C60N6) – This supersedes the previously specified generator in the original bid document. Sizing report attached.

2. Lake Angelus Location – REVISED SPECIFICATION - 125 KW (Cummins model C125N6) - This supersedes the previously specified generator in the original bid document. Sizing report attached.

IMPORTANT NOTE FOR ALL BIDDERS - If proposing alternate generator manufacturers or models, the equipment must meet or exceed the performance capabilities of the Cummins models specified above. All other requirements in the original bid specifications remain unchanged.

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