23180 Mackinac Island East Bluff Retaining Wall - Drawings.pdf

PDF 6 MB Posted May 19, 2025

Attached to: 751/23180. ABG; Mackinac Island East Bluff Retaining Wall
Solicitation number: RFQ 171 250000000373 5
Issued by: Luce County, Mcbride Village, Michigan

About this file

Written by GovTribe AI · Mar 13, 2026

This is a bidding plans document for a retaining wall replacement project issued by the Mackinac Island State Park Commission, in cooperation with the Michigan Department of Technology, Management and Budget and OHM Advisors (Architect/Engineer). The project, designated as "23180 Mackinac Island East Bluff Retaining Wall," involves the replacement of a retaining wall located on Mackinac Island, Michigan, along Huron Road. The scope of work includes removal of the existing retaining wall structure and construction of a new retaining wall system, with design specifications showing wall heights ranging from 7 feet 6 inches to 10 feet 6 inches. The bidding plans package includes civil and structural drawings, soil boring information, site plans, removal plans, and detailed construction sections prepared under the direct supervision of licensed professionals. All materials and workmanship shall conform to the Michigan Department of Transportation Standard Specifications for Construction, 2020 Edition. The project owner contact is Steve Brisson at the Mackinac Island State Park Commission (231-436-4100), with engineering support from Jared Hyrkas at OHM Advisors.

The project documentation establishes that contractors must verify all existing dimensions and site conditions before proceeding, notify the engineer of any discrepancies, and assume responsibility for all permit fees and extensions. Contractors are solely responsible for protecting the public from injury and adjacent property from damage during construction, maintaining a secure and clean construction site, and repairing any existing construction affected by new work. Prior to underground work, contractors must provide notice to Miss Dig in accordance with Michigan Public Act 174 of 2013 by calling (800) 482-7171. The drawing set includes notes, soil boring locations, removal plans, site plans, and detailed construction sections with specifications for retaining wall elevation and section details, including Redi-Rock drain installation requirements. The document is classified as bidding plans with an issue date of April 23, 2025, and references DTMB File No. 7136-23-0050.

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23180 Mackinac Island East Bluff Retaining Wall - Advertisement.pdf	PDF	May 19, 2025
23180 Mackinac Island East Bluff Retaining Wall - ProjectManual.pdf	PDF	May 19, 2025
751.23180.ABG_MackinacIslandEastRetainingWall_Addendum2_Issued_250516.pdf	PDF	May 19, 2025
751.23180.ABG_MackinacIslandEastRetainingWall_Addendum3_Issued_250516.pdf	PDF	May 19, 2025
751.23180.ABG_MackinacIslandEastRetainingWall_Addendum1_Issued_250515.pdf	PDF	May 19, 2025
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AREA LOCATION

MAP

CHICAGO

MILWAUKEE LAKE

MICHIGAN

DETROIT

LAKE

HURON

SAULT

STE

MARIE

MARQUETTE

HOUGHTON

LAKE

SUPERIOR

DULUTH

MINNEAPOLIS

GREEN BAY

ESCANABA

TRAVERSE

CITY

GRAND RAPIDS

LANSING

PROJECT

LOCATION

CHAMPION

AREA LOCATION

MAP

GENERAL NOTES:

I Certify That The Civil Plans Were Prepared Under My Direct Supervision

PROJECT LOCATION MAP

OHM PROJECT No.

DATE:

DTMB File No.

7136-23-0050 2025/04/23

BIDDING PLANS

751/23180.ABG

OWNER:

MACKINAC ISLAND STATE PARK COMMISSION

7023 HURON RD

MACKINAC ISLAND, MI 49757

CONTACT: STEVE BRISSON

BRISSONS@MICHIGAN.GOV

PHONE: 231-436-4100

ARCHITECT/ENGINEER:

OHM ADVISORS

424 HANCOCK STREET

HANCOCK, MI 49930

906.482.0535

PROJECT CONTACT

JARED HYRKAS

1. GENERAL NOTES APPLY TO ALL DRAWINGS.

2. EXCEPT WHERE OTHERWISE INDICATED ON THESE PLANS, OR IN THE CONTRACT DOCUMENTS

AND SPECIFICATIONS CONTAINED HEREIN, ALL MATERIALS AND WORKMANSHIP SHALL BE

ACCORDING TO THE MICHIGAN DEPARTMENT OF TRANSPORTATION STANDARD SPECIFICATIONS

FOR CONSTRUCTION, 2020 EDITION.

3. DO NOT SCALE DRAWINGS. ANY DIMENSIONAL INFORMATION REQUIRED WHICH IS NOT

INDICATED ON DRAWING DIMENSION STRINGS SHALL BE OBTAINED FROM THE ENGINEER.

4. CONTRACTOR SHALL VERIFY ALL EXISTING DIMENSIONS AND CONDITIONS. IF DISCREPANCIES

ARE FOUND, NOTIFY ENGINEER BEFORE PROCEEDING WITH WORK.

5. CONTRACTOR SHALL PAY ALL PERMIT FEES AND FEE REQUIRED FOR ANY PERMIT EXTENSIONS.

6. CONTRACTOR SHALL MAINTAIN THE IMMEDIATE CONSTRUCTION SITE IN A SECURE, CLEAN AND

SAFE MANNER.

7. PROTECTION: CONTRACTORS SHALL BE SOLELY RESPONSIBLE FOR TAKING ALL STEPS

NECESSARY TO PROTECT THE PUBLIC FROM INJURY AND ADJACENT PROPERTY FROM DAMAGE

DURING CONSTRUCTION.

8. REPAIR ALL EXISTING CONSTRUCTION AFFECTED BY NEW WORK TO ITS ORIGINAL CONDITION.

9. THE LOCATION OF ALL PUBLIC UTILITIES SHOWN ON THESE PLANS IS TAKEN FROM THE BEST

AVAILABLE DATA. PURSUANT TO ACT 174 OF THE P.A. OF 2013, AS A CONDITION OF THIS

CONTRACT, NOTICE SHALL BE GIVEN TO MISS DIG PRIOR TO UNDERGROUND WORK TO BE

PERFORMED IN ACCORDANCE WITH THIS CONTRACT. PHONE (800) 482-7171.

MACKINAC ISLAND RETAINING WALL

PROJECT LOCATION

I Certify That The Structural Plans Were Prepared Under My Direct Supervision

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DEPARTMENT OF TECHNOLOGY, MANAGEMENT AND BUDGET

EAST BLUFF RETAINING WALL REPLACEMENT

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RETAINING WALL SECTION - 9'-0" to 10'-6" WALL HEIGHT1

REDI-ROCK DRAIN INSTALLATION DETAIL3

RETAINING WALL SECTION - 7'-6" WALL HEIGHT OR LESS2

Sheets and Views

DT COVER

C-001 NOTES

C-090 SOIL BORINGS

C-091 SOIL BORINGS 2

C-120 REMOVAL PLAN

C-130 SITE PLAN

C-501 DETAILS

S-001 STRUCTURAL NOTES

S-101 RETAINING WALL ELEVATION

S-500 RETAINING WALL SECTION

File details come from the government source that posted it. Updated Mar 12, 2026.