Page 341 - Forensic Structural Engineering Handbook

TEMPORARY STRUCTURES IN CONSTRUCTION 10.29

(g)

(h)
FIGURE 10.3 Washington excavation. (Continued) (g) End view of a bottom-tier wale, out-
looker, and soldier beam. (From OSHA Investigation of November 19, 1990 Excavation Collapse
at 14th & H Streets, N.W., Washington, D.C. report, May 1991.) (h) A toppled middle-tier out-
looker welded to a wale and a soldier beam. (From OSHA Investigation of November 19, 1990
Excavation Collapse at 14th & H Streets, N.W., Washington, D.C. report, May 1991.)