OSHA Accident Investigation · Summary #14252795
BLASTING,EXPLOSIVES,EXPLOSION
Event description
EXPLOSIVE CHARGE DETONATED EARLY, INJURING EMPLOYEES
Investigation abstract
TWO EMPLOYEES WERE LOADING UNIGEL EXPLOSIVE INTO 3 1/2 INCH DIAMETER HOLE, 18 FE ION, ET DEEP. THE HOLE INVOLVED WAS THE 5TH OF A TWELVE HOLE PATTERN. THE LOCATION WA S ABOUT 100 FEET NORTH OF BYRUM ROAD ON COFFEY CREEK. A PRIMED CHARGE HAD BEEN P UT IN THE BOTTOM OF THE HOLE AND A SECOND CHARGE INSERTED PART WAY INTO THE HOLE . THE EMPLOYEES ATTEMPTED TO BREAK OFF A SPUR OF ROCK IN THE HOLE BY HITTING IT WITH A PIECE OF DRILL STEEL. AN EXPLOSION OCCURRED, PROBABLY CAUSED BY THE IMPAC T OF THE DRILL STEEL ON THE TOP CHARGE. THE BLASTER AND HIS HELPER WERE SPRAYED WITH DIRT AND PIECES OF ROCK. BOTH EMPLOYEES WENT TO THE HOSPITAL. EMPLOYEE #1 W AS RELEASED AFTER EXAMINATION; EMPLOYEE #2 REMAINED IN THE HOSPITAL FOR OBSERVAT
Victims (2)
-
#1 Hospitalized Age 22 M
- Nature of injury
- 3
- Part of body
- 2
- Event type
- 1
- Source
- 14
- Occupation code
- 615
- Human factor
- 6
- Environmental factor
- 5
- Task assigned
- 2
-
#2 Non-hospitalized injury Age 41 M
- Nature of injury
- 3
- Part of body
- 2
- Event type
- 1
- Source
- 14
- Occupation code
- 598
- Human factor
- 6
- Environmental factor
- 5
- Task assigned
- 1
Codes shown verbatim from OSHA's accident-investigation database. A human-readable decoder is coming in a future release once the accident_lookup2 dictionary is loaded.