OSHA Accident Investigation · Summary #14519789
DERRICK,SAFETY BELT,FALL,FALL PROTECTION,OIL WELL SERVICING,PAINTER,OIL RIG
Event description
FELL FROM DERRICK OF TRUCK MOUNTED WORKOVER RIG
Investigation abstract
AT APPROXIMATELY 2 PM ON JULY 10, 1986, EMPLOYEES #1 AND #2 WERE PAINTING THE TO AST DROPPED ONTO THE BOTTOM SECTION. EMPLOYEES #1 AND #2 WERE KNOCKED OFF THE DE RRICK AND FELL ABOUT 60 FEET TO THE GROUND. THEY WERE KILLED. NEITHER OF THE EMP LOYEES WAS WEARING A SAFETY BELT. P SECTION OF A PERMIAN ENGINEERING AND MANUFACTURING COMPANY DERRICK, MODEL 96-1 80-000-P, S/N 557, MOUNTED ON A COOPER MANUFACTURING CORPORATION WORKOVER RIG, C ARRIER MODEL LTO, S/N A615. EMPLOYEES #1 AND #2 WERE STANDING ON THE TOP OF THE BOTTOM SECTION, PAINTING FOUR FOOT LENGTHS OF THE TOP SECTION. AS SOON AS THEY H AD FINISHED A FOUR FOOT SECTION, THE DERRICK WOULD BE RASIED ANOTHER FOUR FEET. THIS PROCEDURE PLACED THE ENTIRE WEIGHT OF THE TOP SECTION ON THE DERRICK'S HYDR AULIC SYSTEM. WHEN THE DERRICK HAD BEEN RAISED TO WITHIN THREE OR FOUR FEET OF T HE SPOT WHERE THE "DOGS" WOULD SET, A FAILURE OCCURRED. THE TOP SECTION OF THE M
Victims (2)
-
#1 Fatality Age 27 M
- Nature of injury
- 12
- Part of body
- 4
- Event type
- 5
- Source
- 24
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 18
- Task assigned
- 2
-
#2 Fatality Age 48 M
- Nature of injury
- 12
- Part of body
- 4
- Event type
- 5
- Source
- 24
- Occupation code
- 999
- Human factor
- 1
- Environmental factor
- 18
- Task assigned
- 2
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.