Underground utility lines or piping and utility poles
180(1)Before beginning an excavation or trench, an employer shall ensure that the location of any underground utility line or piping is determined.
180(2)Where employees are working within 600 mm of underground utility line or piping, an employer shall ensure that
(a)
the authority operating the utility line or piping has been notified of the operation,
(b)
the utility line has been de-energized, and
(c)
an adequate operating procedure is used by the employees.
180(3)An employer shall ensure that utility poles, posts and similar structures are supported or removed if they are within 3 m of an excavation or trench that is more than 1.2 m deep.