OSHA Accident Investigation · Summary #14397848
TRUSS,SHOULDER,PIER,HYDRAULIC JACK,CRUSHED,BOLT,FALL,BRIDGE,FOOT
Event description
ONE EMPLOYEE KILLED, THREE INJURED BY FALLING STEEL TRUSS
Investigation abstract
A steel truss that was approximately 179-feet long and weighed approximately 100 s going to tie off when the south end of the truss raised up and rolled off the pier bracket. A 1.5-inch anchor bolt at the north pier bracket sheared and cause d the truss to fall. Employee #1 was crushed between the end of the pier bracket and the truss, and was killed. Employee #2 jumped as the truss was falling and injured his foot. Employee #3 fell with the truss and injured his shoulder. ,000 pounds was used to support bridge segments until they were permanently in p lace. The truss was moved ahead to the next concrete pier. Employees #1, #2 and #3 were raising the outside hydraulic jacks under the truss at the south end to insert metal plates between the jacks and the chords of the truss. The metal pla tes had been inserted and the truss lowered. Employee #1 was sitting on the pier bracket and was tied off to the truss. Employees #2 and #3 were standing on the sides of the truss waiting to insert the steel plates on the other side. Employ ee #3 was tied off to the truss. Employee #2 had just gotten on the truss and wa
Victims (3)
-
#1 Fatality Age 33 M
- Nature of injury
- 21
- Part of body
- 19
- Event type
- 1
- Source
- 43
- Occupation code
- 999
- Human factor
- 18
- Environmental factor
- 18
- Task assigned
- 2
-
#2 Non-hospitalized injury Age 27 M
- Nature of injury
- 12
- Part of body
- 11
- Event type
- 5
- Source
- 43
- Occupation code
- 999
- Human factor
- 18
- Environmental factor
- 18
- Task assigned
- 2
-
#3 Non-hospitalized injury Age 38 M
- Nature of injury
- 20
- Part of body
- 21
- Event type
- 1
- Source
- 43
- Occupation code
- 999
- Human factor
- 18
- 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.