TM 55-607/NAVSEA OP 3221 Rev 2
flooring uprights must be secured to components of the
(d) Construction details for flooring in
bracing structure, usually the kickers, to prevent shifting.
the wings are provided in figures 9-48 and 9-49. The
The entire structure is increased in strength and stability
floor extends over a void area between the lower level
by lacing kickers with 2- by 10-inch lumber in lieu of the
of stowage and the hull and must be supported
usual 2- by 3-inch stock; however, 2- by 3-inch material
adequately from below, since cargo-handling machinery
can be used to lace together the uprights in contact with
will pass over the area repeatedly during stowage
the unit loads. As shown in figure 9-49, a double course
operations. Uprights, commonly known as "stiff legs,"
of 2-inch flooring is installed crosswise to the runners.
are used to support 4- by 4-inch flooring runners.
The flooring should not contact the skin; instead, ample
Runners should be installed near the cargo and also
clearance should be provided to allow for condensation
near the hull to provide a strong flooring foundation
runoff.
across the entire void area, eliminating weak spots. All
Figure 9-48. Construction of support structures for flooring over voids in the wings (hull blocking technique).
9-58
