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(a) During helicopter operations, the pilot shall be notified at least 30 minutes prior to any blasting operation on the project and also after each blast to signify the all-clear condition.
(b) The pilot shall be informed by the person in charge of the project of the erection of any newly suspended line or other navigational hazard on the project or in the area of helicopter operations.
(c) Signal systems between air crew and ground personnel shall be understood and checked in advance of hoisting the load. Hand signals shall be as shown in Plate C-36-c Appendix.
(d) The pilot shall receive signals from only one signal person who is distinguishable from the rest of the crew.
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Amendment filed 2-1-85; effective thirtieth day thereafter (Register 85, No. 5).