Safety watch systems and their use must conform to the following provisions:

(1) When one employee is conducting work, other than construction work, on a low pitch roof, not within six feet of the roof edge and when the work is both infrequent and temporary, employers are allowed to use a safety watch system.

(2) The employer must ensure the safety watch system meets the following requirements:

(a) There can only be two people on the roof while the safety watch system is being used: One employee acting as the safety watch and one employee engaged in the work activity;

(b) The employee performing the work must comply promptly with fall hazard warnings from the safety watch;

(c) Mechanical equipment is not used; and

(d) The safety watch system is not used when weather conditions create additional hazards.

(3) The employer must ensure the employee acting as the safety watch meets all of the following:

(a) Is a competent person as defined in WAC 296-880-095;

(b) Is trained in the requirements of this section;

(c) Has full control over the work as it relates to fall protection;

(d) Has a clear, unobstructed view of the worker;

(e) Is able to maintain normal voice communication; and

(f) Performs no other duties while acting as the safety watch.