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TM 55-1905-223-SDC
7-12. SHORING HATCHES OR DOORS. The general principles of shoring bulkheads described above
apply to shoring a hatch or a door. The entire hatch or door should be shored and the pressure should be
spread over both the hatch cover or door and the supporting structure, as shown in FIGURE 7-9. Hatches
and doors are the weakest part of the bulkhead or deck in which they are installed.
Shoring a Hatch.
7-13. STRONGBACKS. All or part of an ordinary shore can be used to make a strongback. Shoring
scraps should be kept for use as strongbacks and short shores. Heavy planks, steel bars, angle irons, and
pipe can also be used as strongbacks.
7-11
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