751/23180. ABG; Mackinac Island East Bluff Retaining Wall

The Michigan Department of Technology, Management and Budget (DTMB) and Mackinac Island State Park Commission are seeking qualified contractors for the Mackinac Island East Bluff Retaining Wall Replacement project. The procurement involves comprehensive infrastructure work including selective demolition, site clearing, earth moving, and constructing a new modular block retaining wall along Huron Road on the East Bluff. Key project deliverables include removing the existing retaining wall, protecting utilities, clearing site areas, adjusting structures, installing drainage, backfilling, grading, placing new asphalt, and performing environmental restoration. The project will be completed in two distinct phases: Phase I with substantial completion by December 19, 2025, focusing on reopening the road, and Phase II with substantial completion by May 20, 2026, involving final grading, hot mix asphalt paving, and restoration. A mandatory pre-bid meeting is scheduled for Thursday, May 8, 2025, at 11:30 a.m. at the project site's Administrative Office, with bid responses due on Wednesday, May 21, 2025, at 2:00 p.m. Eastern time. Bid submissions must be uploaded to SIGMA VSS, require 5% bid security, and follow specific submission guidelines, including a maximum of two attachments under 26 MB. Contractors must submit questions by Wednesday, May 14, 2025, via email to Jared Hyrkas at jared.hyrkas@ohm-advisors.com.

The contract includes provisions for Qualified Disabled Veteran (QDV) businesses, which are eligible for a 10% preference, and requires bidders to be certified as a Michigan-based business. Prevailing wage requirements are in effect, with specific wage rates for various construction mechanic classifications. The total project has a $30,000 allowance with additional contingency provisions for potential changes. Bidders must provide various certifications, including an Asbestos Abatement Attestation and documentation of contractor qualifications. The project utilizes NIGP codes 91223, 91244, 91327, 98814, 98815, and 98852, indicating specific categories of construction and infrastructure work. The contract emphasizes environmental considerations, with strict requirements for erosion control, soil management, subdrainage, and turf restoration. While no specific incumbent vendors are mentioned, the project is being managed by OHM Advisors, located at 424 Hancock Street, Hancock, MI, who will oversee the technical and logistical aspects of the retaining wall replacement.