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WorkSafeBC

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This page contains summaries of Notice of Incident (NI) reports received by WorkSafeBC. This information may help you to prevent similar accidents in your workplace.

THE NI INFORMATION IS PRELIMINARY AND SUBJECT TO CHANGE. Some details have been edited to protect the privacy of workers involved.

Completed WorkSafeBC investigation reports for selected Construction incidents are available online.

Construction - Incident Summaries

All Sectors | Construction | Manufacturing | Primary Resources | Public Sector | Service Sector | Trade | Transportation & Warehousing | Young Worker

Construction incident summaries from other dates

2006 January - June


Injury Type : Laceration and abrasions to arms
Core Activity : Concrete finishing
Location : Central Interior
ID Number : 2006107970410
Date of Incident : 2006-Jun

A young worker fell approximately 20 feet from an unsecured extension ladder.
Injury Type : Heat exhaustion
Core Activity : Traffic control
Location : Northern BC
ID Number : 2006124490063
Date of Incident : 2006-Jun

A traffic control person (young worker) was overcome by heat exhaustion while working on a paving operation.
Injury Type : Close call
Core Activity : Site preparation
Location : Northern BC
ID Number : 2006154850119
Date of Incident : 2006-Jun

As an excavator did ground preparation and site clearing, a treetop was snapped off by high winds. The treetop became entangled in nearby overhead power lines and contacted the top of the excavator.
Injury Type : Close call
Core Activity : Road construction and repair
Location : Northern BC
ID Number : 2006154930157
Date of Incident : 2006-Jun

A hoe excavator struck and broke an underground high-pressure natural gas distribution pipeline during ditch preparation work.
Injury Type : Close call
Core Activity : Excavation
Location : Central Interior
ID Number : 2006110750230
Date of Incident : 2006-Jun

An excavator struck and severed a 1.5-inch gas line.
Injury Type : Broken wrist
Core Activity : Concrete placing
Location : Lower Mainland
ID Number : 2006122700526
Date of Incident : 2006-Jun

A link between boom sections on a concrete pump truck failed during a concrete pour. The boom fell onto the deck of the building, injuring a young worker.
Injury Type : Close call
Core Activity : Site services
Location : Lower Mainland
ID Number : 2006122700525
Date of Incident : 2006-Jun

An excavator struck a high-pressure gas regulator station.
Injury Type : Shoulder contusion, arm abrasion
Core Activity : Concrete forming
Location : Lower Mainland
ID Number : 2006138140182
Date of Incident : 2006-Jun

A young worker fell 14 feet from 4x6 joists to the slab below.
Injury Type : Close call
Core Activity : Excavation
Location : Central Interior
ID Number : 2006015490223
Date of Incident : 2006-Jun

An excavator working on a trench for a water line service installation caught and broke a 3/4-inch gas line. The gas line pulled off from a 3-inch main, which had been exposed. The site maps provided by the utility company did not show this line and the tracer wire for this line had been previously broken. All other utility lines in the area had been located and marked at surface.
Injury Type : Close call
Core Activity : Excavation for underground utilities
Location : Central Interior
ID Number : 2006015490222
Date of Incident : 2006-Jun

An excavator was sloping the sides of an excavation when it caught the underground conduit and power line leading to an illuminated sign. The wires were pulled through the conduit and off of the transformer on the adjacent power pole.
Injury Type : Head injury
Core Activity : Exterior renovation work
Location : Lower Mainland
ID Number : 2006113830170
Date of Incident : 2006-Jun

A worker was climbing a ladder to a third-floor balcony when the ladder slipped and the worker fell to the concrete below.
Injury Type : Sore neck; soft-tissue damage
Core Activity : Structural concrete forming
Location : Lower Mainland
ID Number : 2006155730263
Date of Incident : 2006-Jun

A worker was stripping plywood from a concrete slab edge when he fell approximately 9.5 feet to the base of the excavation below.
Injury Type : Close call
Core Activity : Site services
Location : Lower Mainland
ID Number : 2006122700510
Date of Incident : 2006-Jun

The raised box of a dump truck contacted a 12.5-kV overhead power line.
Injury Type : Head injuries, broken leg, partially severed arm
Core Activity : Concrete cutting
Location : Central Interior
ID Number : 2006107970380
Date of Incident : 2006-Jun

A worker was cutting the concrete pad near the infeed rolls to the fabrication shop of a steel manufacturing company. A lift truck was carrying five pieces of 40-foot angle iron weighing approximately 2,000 pounds about 13 feet in the air to pass over the storage racks to set on the infeed rolls. The unsecured angle iron slipped from the forks of the lift truck and landed on the worker on the concrete pad.
Injury Type : Broken ankle
Core Activity : Framing
Location : Central Interior
ID Number : 2006107970376
Date of Incident : 2006-Jun

Four young workers were bracing a wall in place on a residential construction site. A wall 9 feet by 14 feet was standing (unbraced) against laid-down walls behind the workers. A gust of wind blew the wall forward and onto one of the workers.
Injury Type : Loss of consciousness
Core Activity : Welding
Location : Lower Mainland
ID Number : 2006124770160
Date of Incident : 2006-Jun

A worker lost consciousness while welding in a confined space. He was working from a platform suspended 7 feet down from the opening of a caisson 3 feet in diameter. The standby rescue worker manually extricated the worker within 1 minute.
Injury Type : Fatal
Core Activity : Oil or gas pipeline construction and repair
Location : Northern BC
ID Number : 2006091090012
Date of Incident : 2006-Jun

A 1-ton flatbed truck turned in front of an oncoming pickup truck. The driver of the pickup (a young worker) died on impact.
Injury Type : Fatal
Core Activity : Blasting
Location : Lower Mainland
ID Number : 2006122700509
Date of Incident : 2006-Jun

An unexpected explosion occurred at a blasting operation while the blaster was in the blasting area.
Injury Type : Fractured arm
Core Activity : Concrete forming and placing
Location : Central Interior
ID Number : 2006155700110
Date of Incident : 2006-Jun

A worker was directing the end of a concrete pumper hose while placing concrete in a form approximately 5 feet high. The worker was standing on a waler about 3 feet above grade. The hose became plugged and while the operator tried to unplug the hose, it contacted the worker, knocking him from the form to the grade.
Injury Type : Fatal
Core Activity : Framing
Location : Lower Mainland
ID Number : 2006155070109
Date of Incident : 2006-Jun

While framing a single-family dwelling, a young worker fell through a floor opening to the concrete slab 18.5 feet below.
Injury Type : Broken ribs, punctured lung, fractured back
Core Activity : Masonry
Location : Lower Mainland
ID Number : 2006129730177
Date of Incident : 2006-Jun

A worker was descending the inside scaffold ladder from a work platform. He slipped and fell approximately 12 feet to the ground, hitting the cross-braces halfway through the fall.
Injury Type : Loss of consciousness
Core Activity : Installation of tunnel boring machine
Location : Lower Mainland
ID Number : 2006114550155
Date of Incident : 2006-Jun

A worker was unconscious for several minutes after being struck on the head by one end of a fibreglass pipe (2 feet by 20 feet) that dropped from a height of approximately 8 feet. The pipe was part of a ventilation system positioned on top of a section of deck in preparation for connecting. The work was being done as part of the tunnel boring machine installation approximately 180 metres below grade in the starter tunnel for treated water.
Injury Type : Close call
Core Activity : Building demolition
Location : BC
ID Number : 2006124770152
Date of Incident : 2006-Jun

Approximately 50 construction workers were evacuated from a worksite when the doors of a building under demolition were opened and a large plume of steam with a hydrocarbon smell came out. The 12-foot-square open shaft was filled with two floors of metal waste from the demolition. The bottom of the shaft was adjacent to the electrical vault, which housed two 12-kV transformers, and 14 inches of water covered the floor. The water appeared to be boiling, with unknown substances floating on top and possible acid mist in the air. After the utilities company cut power to the area, a hazardous materials response team entered the sub-basement.
Injury Type : Skull fracture
Core Activity : Wood framing
Location : Lower Mainland
ID Number : 2006122700492
Date of Incident : 2006-Jun

During construction, a carport (30 feet by 24 feet) collapsed on a young worker who was inside.
Injury Type : Confusion after blow
Core Activity : Concrete formwork
Location : Lower Mainland
ID Number : 2006114550154
Date of Incident : 2006-May

A young worker was adjusting the height of a beam that was part of a suspended concrete slab formwork system. The beam dislodged from its support and struck the worker's head/shoulder.
Injury Type : Pain in back and shoulder
Core Activity : Concrete formwork
Location : Lower Mainland
ID Number : 2006114550153
Date of Incident : 2006-May

A worker was placing a wooden 4x6 joist on a beam system as part of a suspended concrete slab formwork. The worker was standing or walking on the joist when a 4x6 tipped, causing the worker to fall approximately 8 feet onto a concrete slab.
Injury Type : Broken arm, bruising
Core Activity : Framing
Location : Central Interior
ID Number : 2006107970374
Date of Incident : 2006-May

A young worker attempted to access a ladder from a residential roof. The worker missed the ladder and fell more than 10 feet to the ground.
Injury Type : Close call
Core Activity : Road construction drilling and blasting
Location : Central Interior
ID Number : 2006037470243
Date of Incident : 2006-May

Fly rock from a blast flew approximately 500 feet, damaging a sundeck.
Injury Type : Neck and head pain
Core Activity : Rebar installation
Location : Lower Mainland
ID Number : 2006114550156
Date of Incident : 2006-May

A van drove off the road into an excavation footing. A worker in the van hit his head on the door.
Injury Type : Fractured wrist; compression fracture of back
Core Activity : Finishing carpentry
Location : Central Interior
ID Number : 2006107970369
Date of Incident : 2006-May

A worker was on a ladder working on the wood trim of a fireplace. The worker fell approximately 6 feet.
Injury Type : Head laceration, possible fracture
Core Activity : Crane service
Location : Northern BC
ID Number : 2006124490054
Date of Incident : 2006-May

As a worker disembarked from the cab of a mobile crane, he fell head first from the cab to the pavement below.
Injury Type : Close call
Core Activity : Excavation work
Location : Central Interior
ID Number : 2006110750168
Date of Incident : 2006-May

A utility owner had located a gas line (propane). A worker tried to find the line with an excavator rather than with hand tools and severed a 3/4-inch service line.
Injury Type : Fatal
Core Activity : Transport of paving material
Location : Lower Mainland
ID Number : 2006105910165
Date of Incident : 2006-May

A tandem-axle dump truck and trailer loaded with asphalt drove off the road and into a ditch. The worker sustained fatal injuries.
Injury Type : Close call
Core Activity : Excavating with hydraulic excavator
Location : Lower Mainland
ID Number : 2006101100044
Date of Incident : 2006-May

An excavator digging a trench for residential sewer and storm sewer pipes inadvertently snagged and destroyed two underground electrical conductors, one a primary (8 kV) and the other a secondary. The conductors were pulled out of the at-grade distribution box, interrupting the power supply. The underground services had not been located prior to excavating.
Injury Type : Fatal
Core Activity : Gutter installation
Location : Lower Mainland
ID Number : 2006114550142
Date of Incident : 2006-May

Workers were taking a 56-foot section of aluminum gutter from the ground to the flat roof of a 3-storey building. The end of the gutter contacted an overhead high-voltage power line (12 kV) approximately 20 feet from the building face. One of the workers, who was on an extension ladder, fell approximately 22 feet after the contact and sustained fatal injuries.
See a slide show based on this incident:
http://www2.worksafebc.com/Publications/Multimedia/SlideShows.asp?ReportID=34909
Injury Type : Close call
Core Activity : Site preparation
Location : Lower Mainland
ID Number : 2006134530071
Date of Incident : 2006-May

An excavator severed a PVC gas line (1 3/4 inches in diameter) at a residential construction site, resulting in a major release of natural gas.
Injury Type : Skull fracture, broken ankle, internal injuries
Core Activity : Demolition of roof trusses
Location : Vancouver Island
ID Number : 2006154970239
Date of Incident : 2006-May

A young worker on a flat roof inadvertently stepped on a piece of drywall covering a ventilation shaft. The worker fell down the shaft and landed on the concrete floor more than 20 feet below. The worker was not wearing a personal fall protection system.
Injury Type : Flash burn to one eye
Core Activity : Land clearing/Construction
Location : Lower Mainland
ID Number : 2006137101719
Date of Incident : 2006-May

An excavator was helping to construct a large retaining wall along a public roadway. The excavator contacted a 14-kV primary power line and a nearby worker sustained a flash burn from the electric arc.
Injury Type : Close call
Core Activity : Masonry
Location : Central Interior
ID Number : 2006110750159
Date of Incident : 2006-May

A rubber-tired, telescoping boom forklift had been parked without the wheels being chocked. About 10 minutes later, the forklift travelled 150 feet and struck a loading dock and an 11-storey person-hoist.
Injury Type : Ammonia burns to arm, feet
Core Activity : Refrigeration installation, service, or repair
Location : BC
ID Number : 2006107200087
Date of Incident : 2006-May

A refrigeration technician sustained ammonia burns when liquid ammonia was unexpectedly released while he was replacing a refrigeration pump. A faulty valve upstream of the flange connection had allowed liquid ammonia to leak onto the worker.
Injury Type : Cuts and bruising to face, hip
Core Activity : Structural concrete formwork stripping
Location : Lower Mainland
ID Number : 2006114550125
Date of Incident : 2006-May

A young worker fell approximately 13 feet from a shoring frame scaffold system, landing on a concrete slab.
Injury Type : Close call
Core Activity : House moving
Location : Vancouver Island
ID Number : 2006154960283
Date of Incident : 2006-May

While a tug crew was securing a floating barge, a mobile crane placed a steel ramp in position to provide access to the barge. The moored barge then moved away from the crane. The ramp, which was still connected to the crane, shifted away from the crane and fell into the water, causing the crane to tip over and land on the pier.
Injury Type : Close call
Core Activity : Masonry
Location : Central Interior
ID Number : 2006107970299
Date of Incident : 2006-May

An excavator cut a 42-mm header gas line.
Injury Type : Close call
Core Activity : Structural concrete forming
Location : Lower Mainland
ID Number : 2006117650775
Date of Incident : 2006-May

A tower crane was attempting to lift an exterior corner gang-form panel from level 11. The panel was supported by brackets attached to the concrete wall. When the panel was released from the brackets, it swung away from the wall. The panel was too heavy for the gear that the hoist motor was in and the tower crane overload limit switch activated. As the crane was now unable to hoist the load, the operator attempted to lower the gang-panel to the ground. The operator could not control the descent of the load because the brake was insufficient for the combined weight and speed for the gear. The operator hit the stop button, but the gang-panel contacted the roof of the person-hoist and the 3rd storey.
Injury Type : Close call
Core Activity : Road construction
Location : Central Interior
ID Number : 2006015490167
Date of Incident : 2006-May

A sidehill saturated with rain gave way and slid down onto a road right-of-way under construction. A large steel drum packer was caught in the slide and was pushed over the edge of the road, onto a steep sidehill. The operator managed to control the packer, kept it upright, and was not injured.
Injury Type : Close call
Core Activity : Underground utility trenching
Location : Lower Mainland
ID Number : 2006097990208
Date of Incident : 2006-May

An excavator's bucket contacted a power pole, cracking it and causing the primary power line to swing into a lamp standard. The high-voltage fuse opened and shut off the power.
Injury Type : Broken pelvis
Core Activity : Demolition and construction
Location : Northern BC
ID Number : 2006124490052
Date of Incident : 2006-May

A worker was on an extension ladder on the outside of a building, trying to cut a piece of tensioned steel rebar. The rebar released, striking the worker and the ladder, and knocking the worker off the ladder. The worker fell approximately 6 feet, landing on a concrete sidewalk.
Injury Type : Close call
Core Activity : Crane operation
Location : Lower Mainland
ID Number : 2006115131229
Date of Incident : 2006-May

While a truck-mounted crane was unloading trusses, the hoist line contacted a 12.5-kV overhead electrical conductor.
Injury Type : Broken vertebrae (1 worker); bruising (1 worker)
Core Activity : Wood frame construction
Location : Central Interior
ID Number : 2006105210103
Date of Incident : 2006-May

Five workers were raising a wood frame wall from horizontal to vertical when the kickers (temporary supports) along the bottom plate failed and the wall fell back onto the workers. Three of the workers escaped from under the wall without injury.
Injury Type : Close call
Core Activity : Concrete forming
Location : Lower Mainland
ID Number : 2006113830135
Date of Incident : 2006-May

A 30-ton rough-terrain mobile crane was overloaded. It tilted onto its side while unloading 2900 pounds of rebar.
Injury Type : Compound fractures of both legs
Core Activity : Steep-slope roofing
Location : Lower Mainland
ID Number : 2006122700472
Date of Incident : 2006-May

A worker was not in a stable position when he moved his lanyard from one lifeline to another. He slipped and fell 52 feet from the building to grade.
Injury Type : Close call
Core Activity : Wood framing
Location : Lower Mainland
ID Number : 2006115131225
Date of Incident : 2006-May

The job-constructed support for approximately 50 sheets of building material collapsed, causing the material to fall 4 floors to grade.
Injury Type : Dislocated elbow
Core Activity : Wood frame construction
Location : Lower Mainland
ID Number : 2006115131222
Date of Incident : 2006-May

A worker was being raised in a garbage box on the forks of a telescopic boom forklift. When the garbage box restraint system failed, the box slid to one side and the worker fell approximately 10 feet to grade.
Injury Type : Close call
Core Activity : Residential forming
Location : Lower Mainland
ID Number : 2006122700466
Date of Incident : 2006-May

A rough-terrain telescopic forklift rolled onto its side while turning on a slope. Its boom was extended 27 feet and it was carrying a 2000-pound gang-form panel.
Injury Type : Electrical burn mark on foot
Core Activity : Placing concrete on suspended slab
Location : Lower Mainland
ID Number : 2006117650774
Date of Incident : 2006-May

A worker was using a bull float with an 18-foot aluminum handle to finish concrete on a rooftop concrete slab. While pulling the bull float towards him, the worker had his back to an overhead power line that ran parallel to the building and about 6 feet above the rooftop. The aluminum handle contacted the 12-kV power line and conducted the electric current to the worker.
Injury Type : Close call
Core Activity : Blasting
Location : Central Interior
ID Number : 2006107970289
Date of Incident : 2006-May

Fly rock from a blast damaged a house under construction and scattered fly material over a roadway.
Injury Type : Facial fracture
Core Activity : Roofing
Location : Lower Mainland
ID Number : 2006115131203
Date of Incident : 2006-May

When a small roof collapsed, a worker fell 7 feet to the roof below and then 19 feet to grade.
Injury Type : Close call
Core Activity : Underground service repair
Location : Lower Mainland
ID Number : 2006122700454
Date of Incident : 2006-May

A backhoe dug up a 12-kV energized underground conductor.
Injury Type : Compound fracture of leg
Core Activity : Concrete reinforcing bar placement
Location : Lower Mainland
ID Number : 2006138140127
Date of Incident : 2006-May

A worker fell 6 feet to a concrete slab while climbing down a scaffold endframe.
Injury Type : Cuts and bruising to face, legs
Core Activity : Scaffold erection
Location : Lower Mainland
ID Number : 2006114550120
Date of Incident : 2006-Apr

A young worker fell approximately 10 feet from a metal scaffold system. The worker was trying to install an end frame while standing on a wooden scaffold plank.
Injury Type : Close call
Core Activity : Wood frame construction
Location : Central Interior
ID Number : 2006107970266
Date of Incident : 2006-Apr

An excavator pulled up a 42-mm main gas line at the header at a construction site.
Injury Type : Electrical burns to fingers on both hands
Core Activity : Electrical renovation
Location : Central Interior
ID Number : 2006130570177
Date of Incident : 2006-Apr

A worker was attempting to make a cut cable of wires safe (putting wire nuts on the ends of the wires and enclosing the cut end in a box) when he noticed it sparked on the ceiling T-bar. He tested with a volt detector and got no reading so he assumed the breaker had shorted open. One circuit had but another had not. When he started removing the wire insulation, he contacted energized conductors.
Injury Type : Fractured skull
Core Activity : Land clearing, excavation, site development
Location : Lower Mainland
ID Number : 2006129730112
Date of Incident : 2006-Apr

A piece of lumber (2x10, 16 feet long) was being installed along the top and side of a disposal bin to make it higher. The board fell approximately 3 feet, landing on a worker standing alongside the bin.
Injury Type : Close call
Core Activity : Townhouse construction
Location : Lower Mainland
ID Number : 2006122700444
Date of Incident : 2006-Apr

An excavator contacted an underground energized 12-kV conductor.
Injury Type : Close call
Core Activity : Site services
Location : Lower Mainland
ID Number : 2006122700443
Date of Incident : 2006-Apr

An excavator snagged a utility cable, breaking the power pole and pulling down the 12-kV power line.
Injury Type : Knee injury
Core Activity : Installing underground conduit
Location : Central Interior
ID Number : 2006155700070
Date of Incident : 2006-Apr

Two workers were installing underground electrical conduit in an unshored, unsloped excavation approximately 5 feet deep. A portion of a sidewall collapsed adjacent to one worker, knocking him down and burying him up to his thigh.
Injury Type : Sore neck and shoulders
Core Activity : Drywalling
Location : Lower Mainland
ID Number : 2006155400170
Date of Incident : 2006-Apr

One worker pushed a rolling scaffold while another worker was sitting on it. The scaffold had braces missing and it twisted when pushed. The platform became dislodged, and the worker fell about 5 feet to the concrete floor.
Injury Type : Close call
Core Activity : Excavation work
Location : Vancouver Island
ID Number : 2006137290136
Date of Incident : 2006-Apr

A powered excavator struck and ruptured a pressurized main underground gas line (3-inch diameter, 80 PSI). Gas was released into the atmosphere for more than an hour before the gas company could gain control and stop the leak.
Injury Type : Close call
Core Activity : Framing
Location : Central Interior
ID Number : 2006107970226
Date of Incident : 2006-Apr

An improperly secured wall approximately 18 feet long and 9 feet high was blown over by the wind. The wall fell from the fourth floor of a condominium to ground level.
Injury Type : Amputation of 2 fingertips
Core Activity : Framing
Location : Central Interior
ID Number : 2006107970217
Date of Incident : 2006-Apr

Two workers were attempting to stand a wall 19 feet long by 9 feet high (weighing 400-600 pounds). One worker put a bar under one end of the wall to lift it while the second worker (a young worker) wedged foam under the wall. When the bar slipped, the wall came down on the second worker's fingers.
Injury Type : Close call
Core Activity : Structural concrete forming
Location : Lower Mainland
ID Number : 2006114550116
Date of Incident : 2006-Apr

When a tower crane lost power, it also lost control and the operator could not raise the load block or trolley in. The crane was slewing (turning) at the time and the brake did come on but not in time to stop the rigging attached to the load block from contacting high-voltage power lines.
Injury Type : Head injuries
Core Activity : Scaffold erection
Location : Lower Mainland
ID Number : 2006114550115
Date of Incident : 2006-Apr

A worker fell approximately 14 feet from the manufactured deck of a metal shoring frame scaffold system. A mounting hook on the scaffold deck failed, causing the deck to drop and the worker to fall.
Injury Type : Broken shoulder, bruising
Core Activity : Crane erection
Location : Lower Mainland
ID Number : 2006122700438
Date of Incident : 2006-Apr

A worker was knocked off a flatbed trailer while unloading a 12-foot crane jib section. The worker landed in an adjacent 9-foot excavation.
Injury Type : Close call
Core Activity : Traffic control
Location : Lower Mainland
ID Number : 2006107330161
Date of Incident : 2006-Apr

A traffic control person was about to exit a vehicle when the wind generated by a passing transport truck pulled the driver's side door open. The rear trailer of the transport struck the door.
Injury Type : Close call
Core Activity : Paving
Location : Central Interior
ID Number : 2006111810075
Date of Incident : 2006-Apr

An unattended roller compactor was parked on a sloping street. About 10 minutes after the motor had been shut off and the parking brake applied, the equipment began rolling down the street. It struck and damaged a power pole, sheared off a telephone pole, then came to rest against the steps of a building.
Injury Type : Close call
Core Activity : Crane operation
Location : Lower Mainland
ID Number : 2006138140108
Date of Incident : 2006-Apr

As a 25-ton truck-mounted crane unloaded a bundle of wood frame trusses, its load line contacted an energized 14.4-kV overhead conductor.
Injury Type : Broken ankle
Core Activity : Interior renovations and minor exterior work to an existing building
Location : BC
ID Number : 2006117650768
Date of Incident : 2006-Apr

Two workers were working off of milk crates on top of rolling tower scaffold work platforms (work platform was 11 feet above concrete floor, plus 1 foot for milk crate). The workers were taking down structural steel members (support for rooftop air-handling units) from the underside of the Q-deck. After the weld connections were broken, one worker couldn't hold on to the structural steel member. He dropped it onto the top of the scaffold work platform, lost his balance, and fell 12 feet to the concrete slab below.
Injury Type : Close call
Core Activity : House or other wood frame construction or renovation
Location : Lower Mainland
ID Number : 2006138140093
Date of Incident : 2006-Apr

The load line of a self-erecting crane contacted an overhead 120-volt secondary service line.
Injury Type : Fractured feet and back
Core Activity : Rubber flat roofing
Location : Lower Mainland
ID Number : 2006115131163
Date of Incident : 2006-Apr

A worker fell 16.5 feet through a roof opening to the concrete floor below.
Injury Type : Puncture wound to thigh
Core Activity : Truss installation
Location : Lower Mainland
ID Number : 2006155270167
Date of Incident : 2006-Apr

A young worker was working in the rain, using a pneumatic nail gun to fasten braces between roof trusses. He was standing with one foot on the bottom of each of two adjacent trusses. As he prepared to fire a nail, one foot slipped and the worker inadvertently squeezed the trigger. The gun tip pressed his leg and discharged.
Injury Type : Exposure to trichloroethylene vapour (4 workers, several non-workers)
Core Activity : Heating/ventilation system service
Location : Lower Mainland
ID Number : 2006066220055
Date of Incident : 2006-Apr

Instead of the normal cleaning liquid, trichloroethylene was used to clean the outside coils of an HVAC unit on the roof of a commercial building. The vapour entered the building, affecting 4 workers and several non-workers. No one was seriously injured.
Injury Type : Compound fracture of leg
Core Activity : Siding
Location : Lower Mainland
ID Number : 2006115131160
Date of Incident : 2006-Apr

A young worker fell 10 feet to grade from the unguarded edge of a balcony.
Injury Type : Shoulder and wrist pain
Core Activity : Concrete formwork
Location : Lower Mainland
ID Number : 2006155070070
Date of Incident : 2006-Apr

A worker climbed down a wooden gang form onto a 6-foot aluminum ladder that was missing a rung. Forgetting about the missing rung, the worker descended the ladder, let go, and fell 3.5 feet onto a concrete surface.
Injury Type : Close call
Core Activity : Concrete formwork and tower crane operation
Location : Lower Mainland
ID Number : 2006115131145
Date of Incident : 2006-Apr

A tower crane contacted a 12.5-kV power line.
Injury Type : Close call
Core Activity : Land clearing, excavation, or site surface work
Location : Lower Mainland
ID Number : 2006117080143
Date of Incident : 2006-Apr

A backhoe's hoe ram (attached to its boom) contacted an energized high-voltage underground conductor.
Injury Type : Penetration wound
Core Activity : Forming a residential foundation
Location : Central Interior
ID Number : 2006015490141
Date of Incident : 2006-Mar

The sidewall of an excavation gave way. A young worker slipped off the edge into the excavation and was impaled by a steel waler bar.
Injury Type : Bruising
Core Activity : Concrete pumping
Location : Lower Mainland
ID Number : 2006114550118
Date of Incident : 2006-Mar

A worker tripped and fell approximately 9.5 feet through an unguarded floor opening.
Injury Type : Abrasions to neck, back; undetermined leg injury
Core Activity : Framing
Location : Lower Mainland
ID Number : 2006155400113
Date of Incident : 2006-Mar

During house construction, a worker was struck by a 9 foot by 40 foot wall panel that fell over in gusting winds.
Injury Type : Close call
Core Activity : Concrete pumping
Location : Central Interior
ID Number : 2006143950064
Date of Incident : 2006-Mar

The boom of a concrete pumper truck struck two cars of a ski hill gondola. There were no passengers in the two cars struck but one of the cars swung forward and struck a third car with a passenger.
Injury Type : Fatal
Core Activity : Traffic control
Location : Central Interior
ID Number : 2006150180058
Date of Incident : 2006-Mar

A traffic control person was struck by a motor vehicle that went through lane-closure traffic control devices.
See a hazard alert based on this incident:
http://www2.worksafebc.com/publications/posters.asp?reportID=35319
Injury Type : Fatal
Core Activity : Snow clearing
Location : Central Interior
ID Number : 2006090580166
Date of Incident : 2006-Mar

An operator was crushed between the front of his road grader and an empty log truck trailer.
Injury Type : Serious injuries to shoulders, vertebrae (1 worker); minor abrasions (1 young worker)
Core Activity : Workers travelling to pipeline work location
Location : Northern BC
ID Number : 2006154930079
Date of Incident : 2006-Mar

Two pipeline workers were travelling to a worksite when their motor vehicle rolled over after missing a turn at an intersection. The vehicle was travelling too fast for road conditions.
Injury Type : Fractures and soft-tissue injuries to pelvis and lower back
Core Activity : Stucco work
Location : Lower Mainland
ID Number : 2006116740065
Date of Incident : 2006-Mar

A worker was leaning against the top rail of a single-pole wood scaffold when the railing (2x4) broke. The worker fell 12 feet, 9 inches to the ground below.
Injury Type : Spinal injuries
Core Activity : Framing and residential forming
Location : Lower Mainland
ID Number : 2006129730067
Date of Incident : 2006-Mar

A young worker was dismantling a wooden scaffold system when he fell from the scaffold's platform. The worker, who was not protected by a personal fall protection system, landed on the concrete pad approximately 12 feet below.
Injury Type : Close call
Core Activity : Water meter installation
Location : Lower Mainland
ID Number : 2006115131094
Date of Incident : 2006-Mar

A worker was digging with a shovel and contacted a low-voltage underground cable.
Injury Type : Spinal fractures, broken jaw
Core Activity : Steep-slope roofing
Location : Lower Mainland
ID Number : 2006129730069
Date of Incident : 2006-Mar

A worker was crimping a sheet metal seam on the roof of a carport when he stepped through an unguarded opening. The worker fell approximately 10 feet and landed on his back on an aluminum ladder laid flat on the ground.
Injury Type : Close call
Core Activity : Installing drainpipe
Location : Lower Mainland
ID Number : 2006117650727
Date of Incident : 2006-Mar

Workers were digging up a telecommunication duct bank to install a drainpipe when they exposed some concrete. Thinking it was an old foundation, they started to chip through the concrete and contacted a high-voltage (7.2-kV) underground electrical duct. The services had not been accurately located before work began.
Injury Type : Close call
Core Activity : Construction
Location : Lower Mainland
ID Number : 2006115131095
Date of Incident : 2006-Mar

An excavator struck a natural gas line. The underground services had not been accurately located before excavation began.
Injury Type : Close call
Core Activity : Excavating to install sewer and water lines
Location : Lower Mainland
ID Number : 2006147230017
Date of Incident : 2006-Mar

A backhoe contacted a 2-inch gas line while excavating around the line.
Injury Type : Head lacerations
Core Activity : Road construction
Location : Central Interior
ID Number : 2006107970200
Date of Incident : 2006-Mar

A young worker was operating a water truck with a capacity of 1500 gallons. As the truck rounded a corner of the haul road, the rear tire slipped off the road and the truck rolled over.
Injury Type : Soft tissue injuries to neck, shoulder, back
Core Activity : Framing
Location : Lower Mainland
ID Number : 2006116740062
Date of Incident : 2006-Mar

A worker was standing on the joists of a partially framed pop-up roof. It appears that a portion of a 2x10 joist failed under the weight of the worker at the point where the joist had been nailed into the joist hanger. The worker then fell between adjacent joists (11 feet, 9 inches) and landed on the floor below.
Injury Type : Compressed vertebrae, cracked rib
Core Activity : Plumbing installation
Location : Lower Mainland
ID Number : 2006117670038
Date of Incident : 2006-Mar

A young worker was descending an access ladder from the roof of a building. A large piece of steel decking (3 feet by 30 feet) was picked up by a gust of wind and blown into the ladder. The worker fell approximately 15 feet.
Injury Type : Close call
Core Activity : Construction
Location : Lower Mainland
ID Number : 2006115131061
Date of Incident : 2006-Mar

An excavator ruptured a natural gas line while excavating a trench. The underground services were not accurately located before excavation began.
Injury Type : Back and face injuries
Core Activity : Painting or wallpapering
Location : Vancouver Island
ID Number : 2006120030074
Date of Incident : 2006-Mar

A painter fell 19 feet while working from a scaffolding system. Guardrails were not in place and the single-plank work platform (2x10) was not secured.
Injury Type : Close call
Core Activity : Tunnelling
Location : Lower Mainland
ID Number : 2006114550068
Date of Incident : 2006-Mar

As the partially assembled boom of a crawler crane was being hoisted, a component at the boom heel section failed. The second of two installed boom sections fell and landed on a front end loader. The manufacturer's assembly procedures had not been followed.
Injury Type : Fatal (non-worker)
Core Activity : Building demolition
Location : Vancouver Island
ID Number : 2006111110084
Date of Incident : 2006-Mar

Two men were dismantling a 30-year-old single car garage on their property. They had removed both gable end walls. While one man went to get equipment to pull down the structure, the structure collapsed on the other man.
Injury Type : Close call
Core Activity : Mobile crane operation
Location : Lower Mainland
ID Number : 2006115131070
Date of Incident : 2006-Mar

An operator two-blocked a mobile crane, causing the headache ball and rigging to drop to the ground.
Injury Type : Third-degree burns to head and hands (1 worker); second-degree burns to head (1 worker)
Core Activity : Electrical work
Location : Northern BC
ID Number : 2006144250057
Date of Incident : 2006-Mar

A propane radiant heater in a tool trailer was being lighted when a flash fire occurred, burning two workers. Initial investigation found that the propane supply valve on the propane tank was open and that the safety shutdown valve had been taped over. The tool trailer had filled with propane overnight.
Injury Type : Soft-tissue injuries
Core Activity : Wood framing
Location : Lower Mainland
ID Number : 2006115131054
Date of Incident : 2006-Feb

A young worker fell 19 feet down an unguarded elevator shaft.
Injury Type : Concussion; soft-tissue injuries to hands and pelvis
Core Activity : Siding installation
Location : Central Interior
ID Number : 2006107970130
Date of Incident : 2006-Feb

A worker was working from a ladder jack scaffold more than 10 feet above ground level. As the worker attempted to access another scaffold, it failed. The worker tried to jump to another roof level but fell approximately 12 feet to the ground. The worker was not protected by any fall protection system.
Injury Type : Cracked ankle
Core Activity : Siding installation
Location : Central Interior
ID Number : 2006107970128
Date of Incident : 2006-Feb

A worker was climbing an unsecured extension ladder to access a fourth-floor balcony when the ladder kicked out from under him. The worker fell approximately 30 feet to ground.
Injury Type : Scrapes and bruises to upper body
Core Activity : Wood frame construction
Location : Central Interior
ID Number : 2006150180034
Date of Incident : 2006-Feb

A worker was standing on a 2x6 trying to leverage one end of a bundle of wood roof trusses. A zoom boom lifted the other end of the trusses. The trusses shifted and the weight on the 2x6 catapulted the worker into the air. The worker landed on the ground on his side.
Injury Type : Close call
Core Activity : Bridge/overpass construction and repair
Location : Lower Mainland
ID Number : 2006117650717
Date of Incident : 2006-Feb

An unsecured electrical extension cord fell from the deck of a bridge scaffold onto a 60-kV overhead power line.
Injury Type : Close call
Core Activity : Wood frame construction
Location : Central Interior
ID Number : 2006107970125
Date of Incident : 2006-Feb

A worker was descending a residential roof with a 10/12 pitch. When the worker was about 12 feet from the edge, the rope grab on his personal fall protection system failed. The worker slid to the toe board at the edge of the roof.
Injury Type : Puncture wound to leg
Core Activity : Framing
Location : Central Interior
ID Number : 2006107970093
Date of Incident : 2006-Feb

A worker jumped off a framing table with a nail gun in his hand. When the worker hit the ground, the nail gun struck his leg and discharged.
Injury Type : Close call
Core Activity : Steel frame erection
Location : Central Interior
ID Number : 2006090580157
Date of Incident : 2006-Feb

One end (about 60 metres wide and 18 metres high) of a structural steel building under construction collapsed. The steel landed on a parking lot, an adjacent construction site, and a public roadway. One motor vehicle struck a portion of the collapsed structure.
Injury Type : Fractured legs
Core Activity : Concrete tilt-up construction
Location : Lower Mainland
ID Number : 2006114550066
Date of Incident : 2006-Feb

A worker's lower legs were struck by a skid-steer front end loader. The operator of the machine reported that he was not able to control it at the time of the incident.
Injury Type : Puncture wound to chest
Core Activity : Wood frame construction
Location : Central Interior
ID Number : 2006107970085
Date of Incident : 2006-Feb

A young worker was using a pneumatic air nailer to to nail a scaffold brace in place. The worker slipped, and when he attempted to break his fall, a nail discharged into his chest.
Injury Type : Undetermined injury
Core Activity : Wood frame construction
Location : Lower Mainland
ID Number : 2006155070025
Date of Incident : 2006-Feb

A young worker was working from a job-built wooden work platform (20 inches high). As he stepped back to get down, he lost his balance and fell.
Injury Type : Pelvic fractures
Core Activity : Framing
Location : Central Interior
ID Number : 2006107970091
Date of Incident : 2006-Feb

A worker fell approximately 22 feet from a 6/12 pitch residential roof. No guardrails or other fall protection system was in place.
Injury Type : Fractured heel
Core Activity : Framing
Location : Central Interior
ID Number : 2006107970089
Date of Incident : 2006-Feb

A framing crew was raising a wall section (17 x 11 feet) without first attaching wall stops. The crew pushed the wall too far and it slipped off the deck. A young worker lost his balance and had to jump to ground level about 10 feet below.
Injury Type : Close call
Core Activity : Installing gas line
Location : Lower Mainland
ID Number : 2006115131055
Date of Incident : 2006-Feb

An excavator ruptured a natural gas line (1-inch diameter). The utilities had not been located and exposed prior to excavation beginning.
Injury Type : Fractured arm and ribs; contusions to one foot
Core Activity : Pipeline construction
Location : Northern BC
ID Number : 2006144250054
Date of Incident : 2006-Feb

A small oilfield building was rigged to be lifted by a 5-ton picker truck (crane truck). The operator applied tension as a second worker removed some bolts from the piping connected to the building. The operator could not see the other worker, who was on the opposite side of the building. When the last bolt was removed, the building began to lift. The worker grabbed the piping in order to control the swing of the building and was lifted off the ground. When the operator saw the worker he was about 10 feet in the air; moments later the worker released his grip and fell to the ground. A signal person is required whenever the operator of a crane is unable to see the rigger/worker.
Injury Type : Amputation of two fingertips
Core Activity : Wood frame construction
Location : Lower Mainland
ID Number : 2006122700401
Date of Incident : 2006-Feb

A young worker was helping to install a forklift attachment on a skid steer loader. The malfunctioning attachment fell suddenly, injuring two of his fingers.
Injury Type : Injuries to vertebrae in lower back (2 workers)
Core Activity : Framing or residential forming
Location : Lower Mainland
ID Number : 2006117670012
Date of Incident : 2006-Feb

A plywood truss roof without cross-bracing in place collapsed when two full lifts of plywood were placed on the roof during construction. Two workers - one of them a young worker - were injured when they fell 18 feet with the collapse.
Injury Type : Fractured ankle
Core Activity : Residential re-roofing
Location : Lower Mainland
ID Number : 2006155070032
Date of Incident : 2006-Feb

A worker slipped and fell 8 feet from a roof edge after disconnecting the fall protection harness before stepping onto a ladder to descend.
Injury Type : Fractured shoulder blade; bruised elbow, back
Core Activity : Commercial construction
Location : Northern BC
ID Number : 2006116110044
Date of Incident : 2006-Feb

A worker was ascending a scaffold ladder. He lost his hand grip and fell backwards, landing on the ground (gravel) approximately 6 feet below.
Injury Type : Close call
Core Activity : House or other wood frame construction, renovation
Location : Lower Mainland
ID Number : 2006138140040
Date of Incident : 2006-Feb

The load suspended from a self-erecting crane contacted a 7200-volt overhead power line.
Injury Type : Bruising to back, ribs, arm
Core Activity : Site preparation
Location : Lower Mainland
ID Number : 2006117650723
Date of Incident : 2006-Feb

A worker was cleaning up gravel on the street when a dump truck backed up and hit the worker. The truck's backing-up alarm could not be heard over the noise at the site.
Injury Type : Head injury
Core Activity : Concrete forming
Location : Lower Mainland
ID Number : 2006117080073
Date of Incident : 2006-Feb

A young worker fell approximately 18 feet to grade while erecting formwork. There was no fall protection system.
Injury Type : Close call
Core Activity : Tower crane operation
Location : Vancouver Island
ID Number : 2006154960238
Date of Incident : 2006-Feb

A tower crane was hoisting a 7,200-pound test block to check the limit switch when the hoisting chain attached to the block failed. The force of the shock load launched the separately attached 600-pound trip test block an undetermined distance into the air, endangering the rigger. Preliminary investigation indicates that the chain used to hoist the test block was incorrectly positioned in a chain shortener link, shearing the 3/8-inch chain link.
Injury Type : Concussion, facial lacerations (non-worker)
Core Activity : Residential construction
Location : Lower Mainland
ID Number : 2006137101603
Date of Incident : 2006-Feb

A worker inside a new house under construction was passing plywood to the home's owner, who was securing plywood to the roof. The homeowner fell forward, landing on a balcony approximately 12 feet below.
Injury Type : Bruised hip
Core Activity : Land clearing, excavation, or site surface preparation
Location : Lower Mainland
ID Number : 2006117670013
Date of Incident : 2006-Feb

A worker, startled by the sudden movement of an excavator, lost his balance and fell against it.
Injury Type : Puncture wound to leg
Core Activity : Residential construction
Location : Vancouver Island
ID Number : 2006117540022
Date of Incident : 2006-Jan

A worker was walking with an air nailer when it inadvertently contacted his leg and discharged.
Injury Type : Severe bruising to leg, pulled leg muscle
Core Activity : Residential construction
Location : Vancouver Island
ID Number : 2006117540021
Date of Incident : 2006-Jan

A young worker lost his balance and fell 11 feet to ground while walking between trusses on a roof. There was no fall protection system in place.
Injury Type : Internal chemical burning (throat to stomach)
Core Activity : Land clearing, excavation, or site surface preparation
Location : Northern BC
ID Number : 2006091090005
Date of Incident : 2006-Jan

A worker unintentionally ingested methyl hydrate that was stored in an unlabelled water bottle.
Injury Type : Fractured arm
Core Activity : Directional drilling
Location : Northern BC
ID Number : 2006124490013
Date of Incident : 2006-Jan

Workers were unloading a generator from an enclosed trailer when the generator's lifting eye failed and the unit fell onto a worker's arm.
Injury Type : Puncture wound to leg
Core Activity : Residential framing
Location : Lower Mainland
ID Number : 2006122700402
Date of Incident : 2006-Jan

A worker walked between wall studs with his finger on the trigger of an air nailer. The nailer inadvertently discharged.
Injury Type : Fractured shoulder blades, ribs, vertebrae; internal injuries
Core Activity : Wood frame construction
Location : Central Interior
ID Number : 2006143950003
Date of Incident : 2006-Jan

A worker was installing a timber rafter working from scaffolding set up on a second-level balcony. The worker was leaning against a wooden guardrail nailed to the balcony. The guardrail gave way, and the worker fell 19 feet to the ground, striking the boom of a mini-excavator as he fell.
Injury Type : Fractured vertebrae, elbow; cracked rib
Core Activity : Framing
Location : Central Interior
ID Number : 2006107970070
Date of Incident : 2006-Jan

A worker fell 25 feet from a 12/12 pitch roof. The worker was not wearing fall protection.
Injury Type : Cracked skull, broken legs
Core Activity : Oil or gas pipeline construction
Location : Northern BC
ID Number : 2006154930021
Date of Incident : 2006-Jan

A worker was hit on the head and body when the mast of a sideboom crawler tractor failed and collapsed.
Injury Type : Head and back pain
Core Activity : Structural concrete forming
Location : Lower Mainland
ID Number : 2006122700395
Date of Incident : 2006-Jan

A worker stepped backwards off an unguarded concrete deck formwork and fell approximately 12 feet, landing on his head and shoulder.
Injury Type : Penetration wound to head
Core Activity : House or other wood frame construction or renovation work
Location : Lower Mainland
ID Number : 2006129730007
Date of Incident : 2006-Jan

A carpenter was working from a kneeling position while a helper, holding a nail gun with the trigger depressed, was working in a standing position beside him. As the carpenter stood up, his head contacted the nose piece of the nail gun, and the gun discharged, firing a 3-inch nail into the carpenter's head.
Injury Type : Amputation of all fingertips on one hand
Core Activity : Framing/residential forming
Location : BC
ID Number : 2006143950080
Date of Incident : 2006-Jan

A worker was cutting a board with a 12-inch mitre saw. His hand contacted the running blade.
Injury Type : Undetermined lower body injury
Core Activity : Industrial concrete construction
Location : Lower Mainland
ID Number : 2006114550065
Date of Incident : 2006-Jan

A worker was walking on the top mat of a beam's reinforcing steel when he slipped and fell approximately 2 feet between steel bars.
Injury Type : Close call
Core Activity : Construction of concrete residential buildings
Location : Lower Mainland
ID Number : 2006114550063
Date of Incident : 2006-Jan

A large portion of a poured-in-place concrete slab fell one level when the supporting formwork was removed. The steel beams to support the slab had not been put in place.
Injury Type : Leg contusions, bruising
Core Activity : Tree falling for pipeline right-of-way
Location : Northern BC
ID Number : 2006154930043
Date of Incident : 2006-Jan

A faller's leg was struck by the butt of a tree he was falling when it spun and kicked out from the stump.


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