S-2.1, r. 4 - Safety Code for the construction industry

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2.8.5. Backup maneuver: Where it is necessary for a self-propelled vehicle referred to in subsection 2 of section 3.10.12 to perform a backup maneuver in a zone where persons are present or circulating and where that backup maneuver may endanger their safety, the maneuver must be performed in a backup area where no person may walk or with a site signal person who must direct the operator throughout the maneuver.
Where a backup maneuver is directed by a signal person, the signal person must use a bidirectional means of telecommunications to guide the operator. Despite the foregoing, where the vehicle backs up over a distance of less than 10 m, the signal person may use the code of hand signals indicated in the traffic plan, as the case may be.
O.C. 1078-2015, s. 3.