Statutes, codes, and regulations
Michigan Administrative Code
Department - Labor and Economic OpportunityMIOSHAGeneral Industry and Construction Safety and Occupational Health StandardsConstruction Safety and Health StandardPart 14 - TUNNELS, SHAFTS, CAISSONS, AND COFFERDAMS
COFFERDAMS AND CAISSONS
Section R. 408.41481 - Cofferdams

Mich. Admin. Code R. 408.41481

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Current through Vol. 24-22, December 15, 2024
Section R. 408.41481 - Cofferdams

Rule 1481.

(1) A cofferdam shall be designed by a qualified engineer and shall be constructed and maintained in accordance with the design.
(2) If overtopping of the cofferdam by high waters is possible, then means shall be provided for controlled flooding of the work area.
(3) The employer shall develop and post warning signals for the evacuation of employees in case of an emergency.
(4) A cofferdam shall have not less than 2 means of egress.

Runways, bridges, or ramps shall be provided with guardrails as prescribed in Construction Safety Standard Part 45 "Fall Protection," as referenced in R 408.41410.

(5) If cofferdams are located close to navigable shipping channels, then warning devices that are visible to vessels in transit shall be provided.

Mich. Admin. Code R. 408.41481

1979 AC; 1984 AACS; 1996 AACS; 2003 AACS; 2014 AACS