MIL-STD-2189/100-1
MIL-STD-2189/100-1, MILITARY STANDARD: DESIGN METHODS FOR NAVAL SHIPBOARD SYSTEMS (SECTION 100-1) REINFORCEMENT OF OPENINGS IN STRUCTURE OF SURFACE SHIPS OTHER THAN IN PROTECTIVE PLATING (22 JAN 1988) ., This standard has been prepared to set forth design methods around openings in structural members of naval ships. Such openings are made for the following purposes: (a) lighten members. (b) For access or inspection. (c) To allow passage of wiring, piping, and ventilation ducts.
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