Mammoth #2 Gas — Accidents

Total: 128 accidents | Fatalities: 0

Date Classification Injury Days Lost Narrative
06/14/2013 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof occurred in the intake air-course/intake escape way one crosscut from spad #44. The fall is the entire width of the entry. Height - unknown. There were no injuries or entrapment. Blo...
06/11/2013 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall occurred, there were no injuries or entrapment. The location of the fall was in the return airway at the #11 & #12 northeast main seals. The #11 seal was completely blocked. The...
12/03/2012 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred outby Spad #1118 and one crosscut outby #1 seal. Fall was approximately 35 feet long X 19 feet wide X14 to 16 feet in height. Unplanned fall occurred in the number 7 entry...
10/09/2012 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred #7 entry at Spad 2121 and extending inby 1 crosscut. Fall was approx. 19' W. x 80' L. x 10' H. No injuries, entrapment or Eq. involved. No escape way, ventilation or trave...
05/10/2012 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Employee was standing in intersection watching a continuous miner water line being pulled through a hole in bottom of a stopping. The end of the water line at a coupling caught. The water hose suddenl...
04/16/2012 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred at bottom of slope #4 entry at spad #206 track entry. The fall was approximately 30 ft. long x 18-19 ft. wide x 15 ft. high. No injuries or entrapment or equipment involve...
02/06/2012 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred #1 entry at spad 1108. Fall was approximately 150 ft. length x 18 ft. wide x 10 ft. height. No injuries, entrapment or equipment involved. No escapeway or travelway involv...
02/06/2012 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall was discovered 3A Belt Intake at spad 1127. Fall was approximately 80 ft. length x 20 ft. wide x 8 ft. height. No injuries or entrapment was involved. No ventilation, escapeway...
02/06/2012 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred #6 Belt Intake at spad #1423. Fall was approximately 100 ft. length x 20 ft. wide x 8 ft. height. No injuries, entrapment or equipment involved. No ventilation, escapeway,...
12/14/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred at #10 c.c. on the #3 belt the c.c. to the right at spad #241 between entries #2 and #3 it is approx. 40' long, 8 to 10' high and 8' - 10' thick. No injuries or entrapment...
11/17/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred break #13 #6 entry - in old #6 belt panel. Inby spad 1750. Approximately 20 ft wide X 20 ft long X 18 ft high. No injuries or entrapment involved. No ventilation, equipmen...
11/09/2011 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 5d lost Employee stated that he stepped down from conveyor belt line and his knee twisted sideways. Nothing on mine floor at the area, he stated his knee just went sideways. He continued to work however pain...
09/15/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall above the anchorage zone occurred measuring approximately 14ft high x 80ft long x 19ft wide in the right return entry one break inby spad 1876 of #6 a belt. No injuries, entrapm...
09/12/2011 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 10d lost Employee was cleaning along 4A belt line on the offside. He picked up a piece of rock weighing approximately 10-20 lb and twisted around to throw on conveyor belt line when he felt pain in his lower b...
09/09/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred at spad # 717 in intersection in #5 entry Old Southeast Panel. The fall was approx. 20' L. X 20' W. X 12' H. No injuries, entrapment or equipment involved. No ventilation...
09/09/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall occurred (extension of old roof) at Spad# 828, 3A belt in #7 entry. Fall was approx. 12'h. X 19' W. X 40'L. No injuries, entrapment or equipment involved. No ventilation ,trave...
08/12/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred that was approximately 18ft wide X 20ft long X 9ft height in the return airway of #1 section 2 breaks outby spad 1839. No injuries or entrapment involved. Air was not bloc...
07/26/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred at break #19 old #3 belt entry between spad #328 and #332. No injuries or entrapment or equipment involved. No escapeway, walkway. Fall was approx 10-12' in h x 30'l x 20'...
06/20/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred break #13-#14 in #2 entry of 3A belt at spad #1003. Area was developed September 2008. Fall was approximately 50 ft. length X 19 ft. width X 13 - 14 ft. high. No injuries...
06/16/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred break #13-#14 in #4 entry of 3A belt at spad #984. Area was developed September 2008. Fall was approximately 50 ft. length X 18 ft. width X 14 ft. high. No injuries or ent...
05/27/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof f all has occurred at brk 33 of 4 belt in the #7 entry. The fall approx. 70' L. X 17' H. X 19' W. There were no injuries involved.
05/23/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall has occurred at brk. 39 on 1st N.W. Panel. The nearest spad to this location is #1322. Fall was approx. 17' high x 18' wide x 50' long, there was no injuries involved with the f...
05/20/2011 SLIP OR FALL OF PERSON DAYS AWAY FROM WORK ONLY 43d lost Employee was walking in walkway along the track when he tripped and fell landing on his knee against track rail. The result was a fracture to his knee cap.
05/17/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall has occurred at brk. 7 of 4A belt in the #3 entry. The nearest spad to this location is #1592 approx. 100' outby the fall. Fall was approx. 14' high x 18' wide x 25' long. There...
05/17/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall has occurred at brk. 3 of 4A belt in the #1 entry. The nearest spad to this location is #1829. Fall was approx. 16' high x 18' wide x 25' long. There was no injuries involved an...
05/16/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall has occurred at brk. 16 of 1st S.W. Panel. The nearest spad is #1141. Fall was approx. 25' long x 18' wide x 12 to 15' high. There were no injuries involved and the fall did not...
05/16/2011 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 13d lost Employee was shoveling loose coal from mine floor onto 4-A belt conveyor line at number 6 break when a piece of coal rolled from the inby corner, on the walkway side of the belt. It struck him on the...
05/16/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall has occurred at brk. 18 of 1st S.W. Panel. The nearest spad is 50' inby fall spad #1158. Fall was approx. 25' long x 18' wide x 12 to 15' high. There were no injuries involved a...
05/16/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall has occurred at 34 brk. in the main return air course 40' outby the return overcast in the #2 entry at spad #1271. Air course was for both #1 and #2 sections the fall measured 1...
05/11/2011 MACHINERY DAYS AWAY FROM WORK ONLY 103d lost Employee had bent an eight foot resin bolt due to seam height. The roof bolt would not seat in drill chuck. He hit rotation and the roof bolt struck him in the right wrist resulting in a fracture.
04/29/2011 HANDTOOLS (NONPOWERED) NO DYS AWY FRM WRK,NO RSTR ACT None Employee was cutting a ventilation curtain that was around the continuous miner head. The knife he was using cut through the ventilation curtain and struck the employee in his right leg above the knee...
04/05/2011 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 5d lost Two employees were working on buggy seat (raising seat up). IE was leaning in pulling on seat so co-worker could put pins in. He felt something in back pop.
03/25/2011 STRIKING OR BUMPING DAYS AWAY FROM WORK ONLY 135d lost EE was walking to the #1 entry and walked into a roof bolt hanging from the top and hit the top of his head. The area was dry and the height was around 8-9'. The bolt hanging down was 67"" from the fl...
03/05/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None In the intersection at brk. 41 of old #4 belt in the #1 entry. The nearest spad to this location is #1590. This spad is approximately 80' outby the fall.
02/28/2011 HANDLING OF MATERIALS NO DYS AWY FRM WRK,NO RSTR ACT None Employee was putting a rub rail back on operators side of shuttle car and pinched his middle finger on his left hand between rub rail and tram motor. Result was fracture to end of finger. No days were...
01/27/2011 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 6d lost A panel of mesh wire (screen) had stuck to another piece, the other roof bolter operator jerked on wire to free. When wire camed loose it had an upward movement and struck the injured employee in the...
01/04/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall was discovered a break #29 of 1st NW Panel in the #1 Entry at spad #1213. Fall was approximately 75ft in length X 19ft wide X Approximately 12ft to 14ft in height. There were no...
01/04/2011 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall was found in an area where persons do not regularly work or travel. Between break #4 & break #5 of 1st NW Panel in #2 entry (spad #851 appr. 60' inby fall). Fall was appr. 70'L...
12/07/2010 MACHINERY NO DYS AWY FRM WRK,NO RSTR ACT None Pinsteel steel stopped up, tried to get steel down, had left hand on drill pot, steel fell out striking him on the back of hand.
11/22/2010 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred in North East Main Panel at BK#10 in the #7 entry spad #239. Fall was approx. 112' L. X 19' W. X 12-14' H.Date of development was 10/07. No injuries, entrapment or equipme...
11/16/2010 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred in BK #34 of 1st NW panel Fall was approximately 40' long x 19' wide x 14' to 16' high. Date of development was January 2009. No injuries, entrapment or equipment was invo...
11/16/2010 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred in Sub-Mains ""A"" panel off of 1st NW panel BK #4. Fall was approximately 25' in length x 19' wide x 14' to 16' high. Date of development was May 2009. No injuries, entra...
11/10/2010 FALL OF ROOF OR BACK ACCIDENT ONLY None Unplanned roof fall occurred in 1st N.W. Panel in #9 Entry at spad #1414 (brk 4 of #4 entry belt line in the right return entry). Approximately 90 ft. length x 19 ft. wide x 14 ft. to 16 ft. high. The...
10/15/2010 HANDLING OF MATERIALS DAYS AWAY FROM WORK ONLY 16d lost Employee was assisting in installing bottom belt roller. Another employee picked end of roller up & pulled EE slightly forward straining his back.
10/04/2010 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall occurred near spad #1048 that measured 25' L. X 19' W. X 16' H. No injuries were reported. The area was developed on 10/14/08.
09/08/2010 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall occurred in the #2 gas mine in the #4 entry 30' inby spad #1290 that measured 20' long X 19' wide X 14' High. No injuries were reported. The area was developed on 1/31/08.
08/31/2010 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall occurred near spad #324 in the #6 entry that measured 45' L. X 19' W. X 12-14' H. No injuries were reported. The area was developed 12/11/07.
08/30/2010 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall occurred at #1 break inby spad 316 that measured approx. 250' L X 20' W X 9-12' H. No injuries were reported. The area was developed on 12-11-07.
08/26/2010 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall occurred in the #2 gas mine 1 brk inby spad #1112 in the #2 entry at brk #24 that measured approximately 20' long x 20' wide x 12' high. The area was developed on 11-16-2008. No...
08/24/2010 FALL OF ROOF OR BACK ACCIDENT ONLY None An unplanned roof fall occurred in the #2 gas mine 1 brk inby spad #1169 in the #3 entry at brk #27 that measured approximately 20' long x 20' wide x 15' high. No injuries were reported. The area was...