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(a) If overtopping of the cofferdam by high waters is possible, means shall be provided for controlled flooding of the work area.
(b) Warning signs for evacuation of employees in case of emergency shall be developed and posted.
(c) Cofferdam walkways, bridges, or ramps with at least two means of rapid exit, shall be provided with guardrails as specified in Section 1620.
(d) Cofferdams located close to navigable shipping channels shall be protected from vessels in transit, where possible.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section142.3, Labor Code.
1. New section filed 1-13-87; effective thirtieth day thereafter (Register 87, No. 3). For history of former section, see Registers 82, No. 35 and 70, No.48.
2. Adoption of NOTE filed 8-26-91; operative 9-25-91 (Register 92, No. 13).