Posted: 1/19/2023

Type of Addition: Addendum 1

Overview: The following changes, additions and deletions have been provided:

The following clarifications and changes shall be included in the Plans and Specifications for the above-referenced project, as prepared by Wightman & Associates, Inc. dated 11/18/2022. This Addendum shall be deemed a part of the Contract Documents, and to the extent that the provisions of the other Contract Documents are in conflict herewith, this Addendum shall control.
CLARIFICATIONS:
1. All final questions are to be directed to the architect by end of day 1/19/2023. Addendum No. 2 will be submitted 1/20/2023 if needed. gmonberg@gowightman.com or sholland@gowightman.com
2. If needed, a temporary full-system shutdown can be executed during off-hours and needs to be coordinated with the Air Traffic Control Tower maintenance personnel.
3. The chillers are a lead-lag system, and the new chillers are intended to be installed one at a time so that one chiller can remain running during construction.
4. A radio room inside the building needs to remain conditioned at all times. A temporary cooling solution may need to be incorporated during construction to keep the space conditioned properly.
5. General project communication will be between the contractor and Wightman. Site access inquiries will be directed to Charles first and then to Miles Weaver.
a. Charles Orr, cporr@battlecreekmi.gov, 269-966-3570
b. Miles Weaver, mhweaver@battlecreekmi.gov, 269-966-3355
6. The project scope includes everything shown on the drawings and written in the specifications.
7. The controls are included and expected to be executed in this contract. The existing system is and will remain Johnson Controls Metasys.
a. Johnson Controls, Kyle Bivins, kyle.j.bivins@ji.com, 608-512-8001
8. KML Chemicals is the chemical treatment company currently utilized at the building and it is preferred that it remain KML Chemicals for this project.
a. KML Chemicals, Johnny Heyboer, 616-401-3221
SPECIFICATIONS:
1. Section 23 62 13 Air Cooled Liquid Chiller; Part 2 Materials, 2.1 Manufacturers; Add paragraph B: “Carrier can be used for the bid option without the economizer, but not for the bid option with the economizer.”
DRAWINGS:
1. Sheet ME200 Mechanical Schedules, Notes & Diagrams: Mechanical equipment C-2 could be a Carrier product equivalent to the specified Trane unit.
PRE-BID SIGN IN SHEET:
1. The sign-in sheet for the Pre-Bid meeting below:

This addendum must be acknowledged on the Offer and Acceptance or Offer to Contract page of your bid/proposal or your bid/proposal may be deemed non-responsive.

Deadline: 1/24/2023 2:00 PM

Solicitation #: 2023-036B

Documents:

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Posted: 1/23/2023

Type of Addition: Addendums 3 and 4

Overview: The following changes, additions and deletions have been provided:

The Iran Sanctions form has been added to the bid documents. This is required by the Michigan IRAN ECONOMIC SANCTIONS ACT 517 of 2012.
The Familial Disclosure form is only required under Michigan Law for public school projects, not city or village work. It will not be required for this bid. Please disregard this item on the checklist.
PROJECT: Air Traffic Control Tower – Chiller Replacement
CLIENT: City of Battle Creek
ISSUE DATE: January 23, 2023

The following clarifications and changes shall be included in the Plans and Specifications for the above-referenced project, as prepared by Wightman & Associates, Inc. dated 11/18/2022. This Addendum shall be deemed a part of the Contract Documents, and to the extent that the provisions of the other Contract Documents are in conflict herewith, this Addendum shall control.
CLARIFICATIONS:

1. Remove the old chiller from the existing BMS. Add new chillers to the existing BMS. Where points overlap between the new chillers and existing chillers, the points shall be approached as new equipment. For example, if the alternate with the economizer coil is selected, some points associated with this alternate are not present in the existing system.

2. The primary pump VFD’s and associated points shall be added. Primary pump points are listed with the chiller control points.  The VFD controls contractor shall provide multiple points to be pulled off the controller.  The contractor shall coordinate with the owner for all information to be displayed and logged with the system. At a minimum, the alarms, status, RPM, and Hz shall be displayed and logged. The contractor shall note any other information to the owner that can be displayed for troubleshooting the system.

3. Omit the reference to the “Bid Form: Familial Disclosure Statement.”

4. Add the attached “Iran Affidavit of Compliance Form” to the Bid Form.

Deadline: 1/24/2023 2:00 PM

Solicitation #: 2023-036B

Documents:

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