FALL OF ROOF OR BACK

Name: FALL OF ROOF OR BACK at Martin Marietta Materials Inc
Start: 09/12/2006

220062580005 · 09/12/2006 · Martin Marietta Materials Inc

Details

Degree of injury: ACCIDENT ONLY
Classification: FALL OF ROOF OR BACK
Accident type: Accident type, without injuries
Occupation: —
Activity: —
Injury source: —
Nature of injury: —
Body part: —
Days lost: 0
Mine experience: — years

Operator

Controller (parent): Martin Marietta Materials Inc
Operator: Martin Marietta Materials Inc
Mine: 4608862

Narrative

Roof fall approx. 1100"" down slope from portal causing damage to steel roof supports. Roof was supported by steel sets 24' wide consisting of 12 X 65 horizontal beams and 2 ea 10 X 54 vertical legs, w/4"" x 6"" wood lagged and cribbed w/ 6"" hardwood.

Source

Authoritative: MSHA Open Government Data
Machine: JSON-LD · Markdown