23388 Colonial Michilimackinac Powder Magazine Redesign - Addendum 1.pdf

DTMB-0414 (Rev 6/25)

DEPARTMENT OF TECHNOLOGY, MANAGEMENT AND

BUDGET

State Facilities Administration Design & Construction Division

CONSTRUCTION BID ADDENDUM NO. 1

This form identifies an Addendum to Bidding Documents, and incorporates interpretations or clarifications, modifications, acceptance of proposed “or equal” materials, and other information into the Bidding Documents. Addenda will be numbered by the Professional and distributed through www.michigan.gov/SIGMAVSS as an attachment.

TO:

ALL BIDDERS

DATE ISSUED

3/9/2026

PROJECT NAME

Mackinac Island State Park Commission - Colonial Michilimackinac Powder Magazine Redesign

FILE NUMBER

751/23388.ABG

PROFESSIONAL

Matrix Consulting Engineers

PROJECT DIRECTOR

Alan Goschka

BID OPENING DATE:

3/18/2026

ADDENDUM ITEMS:

1. Attached is the pre-bid meeting attendance sign-in sheet.

2. Clarification: Working hours shall be between 6:30am and 6:00pm.

3. Clarification: Contractor is responsible for installing and maintaining temporary fencing around the construction site to ensure proper safety for visitors of the Fort. The contractor is to coordinate the location of the temporary fencing with the Owner prior to installing. The temporary fencing can be standard orange construction/safety fencing. Contractor is responsible for the upkeep of the temporary fencing around the construction site to ensure it maintains a proper barrier from the remainder of the Fort.

4. Clarification: All moving of equipment into the Fort, material deliveries into the Fort, or any other action items that require the use of the entrance to the Fort must be completed prior to 9:00am. At 9:00am the Fort is opened up to visitors for touring.

5. Clarification: The owner will be responsible for the removal and re-installation of the large doors on the Fort entrance to allow for greater clearance for equipment/materials. The contractor is responsible for ensuring that all equipment/materials will fit through the existing Fort entrance opening after the removal of the doors. No modifications can be made to the existing Fort walls. Contractor is responsible for any damage to the Fort walls.

6. Clarification: The owner will take care of the removal and re-installation of the existing wooden seclusion fence that surrounds the Powder Magazine area to make room for the contractor to complete the excavation work. Contractor is to coordinate with the owner in advance prior to beginning the excavation work to allow them time to remove the wooden fencing.

7. Clarification: Anytime earthwork occurs, the MHSP Archaeologist must be onsite monitoring the earthwork. Contractor is responsible for coordinating the MHSP in advance to ensure the Archaeologist is onsite when earthwork occurs.

8. Clarification: Anytime work occurs within the Powder Magazine ruins exhibit, the MHSP Archaeologist must be onsite monitoring to ensure the ruins are properly protected. Contractor is responsible for coordinating the MHSP in advance to ensure the Archaeologist is onsite when work occurs in the Powder Magazine ruins exhibit.

9. Clarification: Contractor is to coordinate with the MHSP Archaeologist prior to installing any silt fencing. Contractor is to get formal approval from the MHSP Archaeologist before installing the silt fencing. Contractor is responsible for any site restoration required after the site fencing is removed.

10. Clarification: The owner will provide the contractor with a location outside of the Fort where they will be able to temporarily stockpile materials from excavation until it can be trucked offsite by the contractor. See attached photo that highlights potential locations for temporarily stockpiling materials.

http://www.michigan.gov/SIGMAVSS

11. Clarification: There is an existing buried private electrical service in the location where excavation is to occur. Due to this being a private electrical utility, Miss Dig will not locate this utility. It is the responsibility of the contractor to locate the existing buried private electrical service and uncover/preserve the utility as required to complete their work. The contractor is responsible for any damage to the existing buried private electrical service and is responsible for ensuring proper operation after all the work has been completed.

12. Clarification: The contractor is to carry a $50,000 total allowance for the project as indicated in the project bid schedule.

ACKNOWLEDGEMENT: This Addendum must be acknowledged by the Bidder in the space provided in the Bid Summary and Bid Form. Failing to acknowledge Addenda may be cause for the Bid to be rejected. Addenda will become part of the Contract Documents.

PROFESSIONAL: Devon Pung, Matrix DATE: 3/9/2026

APPROVED BY: Alan Goschka PROJECT DIRECTOR: Alan Goschka

DATE: 3/9/2026