Mich. Admin. Code 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.
Notes
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