No object shall be brought closer to an energized overhead electrical conductor with a nominal phase-to-phase voltage rating set out in column 1 of the Table to this subsection than the distance specified opposite to it in Column 2:
If a vehicle or equipment is operated near an energized overhead electrical conductor and it is possible for a part of the vehicle or equipment or its load to encroach on the minimum distance permitted under subsection (2).
Written measures & procedures are established & implemented adequate to ensure that no part of a vehicle or equipment or its load encroaches on the minimum distance permitted by subsection (2).
Section 188 (5)
The written measures & procedures shall include taking the following precautions to protect workers;
(6) Before a worker begins work, the employer shall provide a copy of the written measures & procedures to the worker & explain them to him or her.
(7) The worker shall follow the written measures & procedures.
(8) A competent worker, designated as a signaller, shall be stationed so that they are in full view of the operator & has a clear view of the electrical conductor & of the vehicle or equipment & shall warn the operator each time any part of the vehicle or equipment or its load may approach the minimum distance (9) Section 106 – reflective clothing requirements also applies with respect to the signaller designated.
Hydro Ottawa Ltd. fined $225,000 after one worker was killed & 2 others suffered injuries.
Workers employed by a sub-contractor were installating new hydro poles & wires under existing energized lines. 3 workers were excavating a hole when the boom of a work vehicle came within 3m of a power line which was located about 20′ (6.09m) above the hole. All 3 workers received electrical shocks, 1 died from his injuries. The 2 other workers did not suffer permanent physical injuries.
Subcontractor Digsafe Inc. fined $125,000.