Ontario Coroner’s Recommendations
Related to Powerline Fatalities
(1993 – 2003)
Prepared by: Aldo Mastrofrancesco, P.Eng
Utility Regulations Department
January 31, 2008
This report is a summary of all deaths that resulted in an electrocution from direct contact with powerlines in the
construction sector for the province of Ontario between 1993 and 2003. The data used in this report comes from
inquests that were conducted by the Office of the Chief Coroner of Ontario. The data that was extracted from the
Coroner reports and used in this report include:
• The Hazardous activity or event
• A brief description of the kind work that was being performed and what equipment or vehicles were involved?
• Jury’s Recommendations
The Ontario Coroner’s Office released twelve (12) inquest reports between 1993 and 2003 that involved electrocutions
in the construction sector from direct contact with powerlines.
Some Basic facts for the electrocutions:
• All the fatalities involved overhead powerlines – only one (1) involved a secondary service
• 50% of the fatalities were from the activity involving “Roof or Exterior Work on Buildings or Structures”.
• The equipment involved in most of the fatalities was the Boom Truck at 34%.
• 50% of the fatalities occurred in the Public Right of Way (ROW).
Roof or Exterior
Workof Building or
Structures, 6, 50%
Haualge - Waste or
Material, 2, 17%
Aerial Lifting, 4,
Aluminum Ladder, 3,
Dump Truck, 1, 8%
Body Contact (No
Scaffold, 2, 17%
Boom Truck, 4, 34%
Cement Truck, 1,
Figure 2 – Electrocutions by Equipment
Figure 1 – Electrocutions by Activity
Figure 3 – Electrocutions - Private vs. Public
Private Property, 6,
Public ROW, 6,
From these twelve incidents, the Coroner’s Jury made sixty-three (63) recommendations, some relevant ones included:
• Awareness and training on electrical powerline haz