Figure 6-8. Typical blocking and tiedown of trailer support unit in hold of general-cargo vessel.

TM 55-5811-900-14

Figure 6-8. Typical blocking and tiedown of trailer support unit in hold of general-cargo vessel.

Table 6-1. Bill of Materials for Blocking and Tiedown of M1015 Carrier in Hold of General-Cargo Vessel (Fig 6-3).

Item

Description

Approximate

Quantity

Lumber.................

Douglas-fir or comparable, straight-grain, free from material defects;

Fed Spec MM-L-751:

4- X 6-in .........................................................................................................

4 lin ft.

2- X 10-in ........................................................................................................

44 lin ft.

6- X 8-in .........................................................................................................

120 lin ft.

Nails .....................

Common, steel; flathead, bright or cement-coated; type II, style 10,

Fed Spec FF-N-105:

20d .................................................................................................................

20.

40d..................................................................................................................

116.

Wire rope .............

6 X 19 IWRC, improved plow steel, preformed, regular-lay; table X,

40 ft.

Fed Spec RR-W-410: 1/2-in.

Clamps.................

Wire rope, U-bolt clips, saddled, single-grip, forged steel, Crosby heavy-duty, or

16.

equal; Fed Spec FF-C-450: 1/2-in.

Pad eyes ..............

Local manufacture; from 1-in. steel rod and 4- X 6- x 5/8-in. steel plate. Bore 1-in. 4

holes through the plate and weld U-shaped 1-in. rod ends on the top and bottom

of plate.

Turnbuckles .........

T- X 18-in., with jaw and jaw end fittings......................................................................

6-8