CAYUGA MINE — Accidents

Total: 267 accidents | Fatalities: 1

Date Classification Injury Days Lost Narrative
02/22/2012 HOISTING ACCIDENT ONLY None At 11:05 am the #3 went down due to the drum brakes not releasing. At 11:17 am the official notice to evacuate the mine was given and MSHA was notified. At 11:25 am the breakers were reset and the sys...
07/22/2011 HOISTING ACCIDENT ONLY None # 1 hoist went down with SCR fans fault. Tried acknowledging faults but safety circuit would not clear. SCR fan was replaced with temporary and hoist was put back in service.
06/30/2011 HOISTING ACCIDENT ONLY None # 3 hoist went down with a PLC issue at 5:50 am. MSHA was called at 6:10 to alert them. Evacuation was started. The evacuation was called off when the issue was resolved at 7:00 am. MSHA was notified...
06/16/2011 HOISTING ACCIDENT ONLY None # 1 Hoist kicked out abruptly with multiple electrical faults. Suspected electrical issue. Repaired by fixing short in east transformer.
05/23/2011 HOISTING ACCIDENT ONLY None DC loop contactor contacts arcing, burnt out bolt holding operating side of contact assembly. System ground faulted stopping the hoist. EE contacted the MSHA hotline. The mine was evacuated. A spare l...
05/05/2011 HOISTING ACCIDENT ONLY None 4160 cable was hit with excavator, knocking out the power to the # 3 hoist.
11/28/2010 HOISTING ACCIDENT ONLY None Moved North skip to surface for Chippy test trip. When beginning Test trip for #1 hoist would not reset.
11/18/2010 HOISTING ACCIDENT ONLY None Intermittent problems with the hoist's brake caused the hoist to be shut down for a repair. The three-way valve on the SOBO Unit was replaced.
10/25/2010 SLIP OR FALL OF PERSON DAYS RESTRICTED ACTIVITY ONLY 30d restricted While making a right hand turn the door of operator's pickup opened and his balance was thrown off. Grasping the wheel, as his body shifted, the truck was turned to the left and impacted a pillar. U...
09/06/2010 HOISTING ACCIDENT ONLY None #1 salt hoist pinion brake failing to release properly causing the hoist to 'kick out'. The hydraulic pump was changed and the SOBO valves cleaned out.
09/02/2010 HOISTING ACCIDENT ONLY None West motor blower experienced an electrical short in a junction box.
08/23/2010 HOISTING ACCIDENT ONLY None SOBO was cycling rapidly, North skip loaded, hoist rolled, E-stop activated, Hoist in track limit.
08/17/2010 HOISTING ACCIDENT ONLY None Sobo brake fault wouldn't reset. Tied right side Sobo control into left side UPS backup. North UPS bypassed to South UPS.
08/09/2010 HOISTING ACCIDENT ONLY None Skip door wouldn't close and skip was not allowed to leave the headframe. The gate mechanism was cleaned and a build-up of material was removed. The gate closed and the system was retuned to normal...
08/02/2010 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 56d lost Was at the back of the truck checking load and fell of the back--he apparently caught his leg between the back doors and crushed some tissues--x-rays show NO broken bones--He will return to work on 8-...
07/26/2010 HOISTING ACCIDENT ONLY None A west drive communication fault caused the hoist to kick out. Normal reset procedures would not allow resumption of operation. Component was replaced and hoist returned to operational status.
05/10/2010 HOISTING ACCIDENT ONLY None Pop off valve on the air tank, located in the #1 Hoist Pit failed.
03/24/2010 FALLING/SLIDING/ROLLING MATERIALS FATALITY Fatal Employee was in dump truck waiting to be loaded with bulk salt from under 150 ton bin to transfer it to the stockpile pad on Cargill Deicing property. He was being loaded with salt when the brackets...
03/24/2010 FALLING/SLIDING/ROLLING MATERIALS DYS AWY FRM WRK & RESTRCTD ACT 122d lost, 6d restricted On March 24, 2010 at approximately 6:05 pm the 150 ton bin collapsed, falling onto a truck below. Employee was in the bin operator's booth and was injured when the booth collapsed with the bin.
02/23/2010 HOISTING ACCIDENT ONLY None East Autron drive communication board bad. Changed board to return to normal operations.
01/26/2010 FALL OF ROOF OR BACK DAYS RESTRICTED ACTIVITY ONLY 10d restricted While scaling 1/9/2010, an employee brought down loose scale that bounced & struck his leg. First Aid was given, an 'abrasion' was reported, but no Medical Aid was sought. Two weeks later (1/26/2010)...
11/09/2009 HOISTING ACCIDENT ONLY None The SOBO Unit (PLC) faulted and will not funtion.
09/17/2009 HOISTING ACCIDENT ONLY None The center high voltage regulator shorted out causing one phase to 'drop out'. Our three phases motors will not operate without all three phases in operation.
08/09/2009 HOISTING ACCIDENT ONLY None Electrical issue involving SCR replacement.
08/03/2009 HOISTING ACCIDENT ONLY None Electrical issues with SCR modules and Amplification cards.
07/29/2009 HOISTING ACCIDENT ONLY None Fault needed resetting
07/17/2009 HOISTING ACCIDENT ONLY None The SRC component of the East Drive Motor failed.
07/07/2009 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None Miner was sharpening bits when the bit and tool slid off the rest. Miner's hand moved forward and struck the rotating grinding wheel, causing laceration.
06/22/2009 HOISTING ACCIDENT ONLY None Hydraulic line on west Sobo brake blows. Called MSHA took initial steps to evacuate the mine. Hydraulic line replaced and conveyance back into service.
05/30/2009 HOISTING ACCIDENT ONLY None A new divider, carried on work deck to where it would be installed, came into contact with another divider. Resulting damage to work deck and its disconnection from the skip. Deck wedged in the shaf...
04/27/2009 FIRE ACCIDENT ONLY None An insulator on a High Voltage line failed and shorted to a lightning arrester throwing sparks into dry grass below the pole. A grass fire ensued that required the assistance of the local fire depart...
02/27/2009 HOISTING ACCIDENT ONLY None New York State Electric and Gas (NYSEG) transformer blows. Power interrupted in area of mine. All power to mine lost. Evacuation started, MSHA called.Power restored at 10:37 and evacuation called o...
02/19/2009 HOISTING ACCIDENT ONLY None A proximity switch on one of the gates was repaired and a test trip made. When the conveyance was brought to the upper track limit a control breaker tripped. Efforts to diagnose the problem failed t...
01/12/2009 HOISTING ACCIDENT ONLY None A short across the lightning arresters on the incoming plant power caused two fuses to blow resulting in a loss of power to #1 and #3 Hoists. The mine was evacuated using the diesel generator to powe...
11/05/2008 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None While dismantling exhaust equipment to facilitate the removal of an engine, a socket wrench slipped from the nut. This caused the employee's elbow to move backwards allowing it to strike a piece of an...
09/22/2008 HOISTING ACCIDENT ONLY None A lug on an U/G transformer shorted out causing a GFI on surface to fail. Started evacuation. Changed GFI to get Hoist operational again. Test Trips and all OK at 1:15 a.m. Talked to James Petrie.
09/04/2008 HOISTING ACCIDENT ONLY None Hoist #3 brought skip to surface landing and kicked out. Hoist controls would not reset, called MSHA, began evacuation of workers U/G. Trouble shooting revealed faulty (?) axis servo (PLC) card. Ch...
08/13/2008 HOISTING ACCIDENT ONLY None Rupture in hydraulic hose on west pinion brake. Severe enough to warrant an immediate shut down to change hydraulic hose.
07/24/2008 HOISTING ACCIDENT ONLY None Multiple electrical components burned up; possible power surge, shorted switch.
07/21/2008 HOISTING ACCIDENT ONLY None Intermittent fault in master relay caused irregular operating conditions into next day. Second egress from mine was never compromised,'Chippy' and #3 remained available & in service.(Hoist taken out...
07/10/2008 HOISTING ACCIDENT ONLY None HMI failure at #3 Hoist, would not reboot completely, hoist would not operate consistantly. Started evacuation through #1 shaft. Rebooted HMI, PLC and DHS hoist did reset, but functionality was inco...
05/29/2008 HOISTING ACCIDENT ONLY None Breaker tripped. Found and fixed in PLC.
05/19/2008 HOISTING ACCIDENT ONLY None Magnet switch fault (overwind).
05/14/2008 HOISTING ACCIDENT ONLY None SOBO brake setting, causing breaker to trip.
05/13/2008 HOISTING ACCIDENT ONLY None Underwind fault, recent hoist automation ""bugs"" being discovered and corrected.
05/12/2008 HOISTING ACCIDENT ONLY None DHS mismatch, encoder would not reset
03/26/2008 HOISTING ACCIDENT ONLY None #1 Hoist stopped and would not reset. UPS for the PLC system failure causing hoist to go down. UPS replaced, hoist recalibrated, reset, checked, balanced, tested OK. Two means of egress were still o...
01/13/2008 HOISTING ACCIDENT ONLY None Motor starter that feeds hydraulic brake pump motor failed closed. Pump built up pressure, by-pass valve activated, dropped drum brakes (ON) stopping hoist. Men were lowered to landing and evacuated...
12/21/2007 HOISTING ACCIDENT ONLY None Fuse for a fan used to cool a drive cabinet blew, which did not allow the hoist to re-set. Fuse was identified and replaced. Began evacuation of the mine, but did not complete as the down time was u...
12/19/2007 HOISTING ACCIDENT ONLY None Seal in the middle of a brake drum caliper broke leading to a hydraulic leak. There are a total of 8 calipers, so braking was not affected. Since this occurred on the #3 Man Hoist, the mine was evac...