The sensor for the main brake location malfunctioned and was not communicating with the hoist PLC
Rio Tinto Kennecott CopperMining Incidents in 2013
All MSHA-reportable accidents at Rio Tinto Kennecott Copper operations in 2013. Fatalities appear first.
- Fatalities in 2013
- 0
- Total incidents
- 19
- Year
- 2013
Top incident classifications
- 01HOISTING7 incidents
- 02SLIP OR FALL OF PERSON4 incidents
- 03MACHINERY3 incidents
- 04HANDTOOLS (NONPOWERED)2 incidents
- 05POWERED HAULAGE1 incident
All incidents in 2013
crew signaled to raise shaft conveyance up, when hoist man went to raise conveyance there was no power getting to the motor or brake system
Hoistman was going to move mancage off of collar doors when the pinion brake would not release.
The DC contactors in the hoist room control system fused together and at the same time the dynamic brake control unit burned its' circuitry control boards. The boards and circuitry have been replaced and hoist is now running.
The brass bearing on the lilly limit ceased up causing the cast iron bracket to break, the bearing and bracket have to be made at a machine shop. So the hoist is inoperable.
The shaft coupler on the tachometer generator for 8' allis chalmers hoist sheared off, shutting down the hoist. this unit sends a signal to the computer telling it how fast the hoist is going, without the correct signal the hoist shuts down.
When Hoist man moved skip above collar doors he noticed the high amp indicator light came on, he went to check the MCC room, when he got there he noticed smoke coming out of the vents, on further investigation he found the contacts for the 2300 volt system were burnt and melted.
Employee was operating the hydraulic core press, right thumb was caught between the ram and the core tube.
Electric shovel was loading haul truck operator was working in when the shovel dipper (full) dropped, impacting the truck. This caused equipment damage and injury to operator.
Employee slipped on ice while walking through the parking lot before shift fracturing the 2nd and 4th metatarsal of his left foot.
Employee was attempting to move from the rear engine area to the operator cab on the outside of a 24H motor grader, when he lost his footing and fell to ground. Contact with the ground resulted in a fractured rib.
Employee was driving a stake to support concrete forms. The hammer glanced off from the stake and struck the employee on the arch of his left foot. Employee was transported to a clinic for evaluation. X-rays indicate a non-displaced fracture if the first metatarsal bone. Employee was placed in a walking immobilizer/support boot and released to return to work with restrictions.
The employees foot was pinched between the outrigger and wheel cover on a Atlas Copco Bolter when he stepped on it to clean the windshield. The employee received a sprain and contusion resulting in swelling to the ankle and upper foot.
The employee was sprayed in the face with Shotcrete while attempting to check for blockage in the line while operating a Normet Shotcrete sprayer. The employees Safety Glasses were blown off and he received minor corneal burns requiring prescription medication for the eyes. The employee was released to full duty at the time of initial treatment.
Improper tool was used for the task at hand while stripping a cable to be installed.
Craftsman was repairing a steering cylinder on a haul truck when a metal shard broke loose striking the craftsman in the neck. The craftsman sustained a laceration injury requiring sutures.
Employee sustained a laceration injury requiring sutures when he struck his head on a metal tray.
An employee was showing some asset disposal pieces to a client when he slipped and fell to the ground. He was taken to a medical center for pains when he was diagnosed with a left Fibula Fracture.
Employee received laceration that required 8 sutures when his left ring finger was caught between bolt nut and pump flange. He was holding the nut with left hand while using an impact wrench to drive the bolt.