penny (12d) for nominal 2-inch lumber. Larger 16 penny (16d) nails are often used for toenailing joints of 4 by 4-inch
stock, or for nailing 2-inch lumber to 4 by 4-inch or larger material.
5-5. Strapping, Lashing, and Tiedown Gear
Cargo stowed on deck is lashed down with preformed flexible steel cable (Specification MIL-C-5424 or MIL-C-18375) or
flexible steel wire rope (Specification MS-17353 or MIL-W-24228). The cable or rope is tensioned by turnbuckles
(Specification FF-T-791) attached to suitable lashing points on the ship's structure. The turned-over ends of the cable or
rope are secured by steel clamps (Specification FF-C-450). Heavy items can be tied down with 1/2-inch wire strap
(Specification QQ-S-790, Round Steel Strapping, or Specification QQ-S-781, Flat Steel Strapping and Seals), steel
cable, or rope.
5-6. Barrier Materials
The interior of stowage structures constructed on the weather deck will be lined with 4-mil polyethylene sheets, or equal;
waterproof barrier materials (Specifications MIL-B-81374A, MIL-B-13239D, or MIL-B-121D); or with approved commercial
equivalents.
5-7. Tools
Tools, including lights and portable equipment used to load or unload military explosives, will conform to the
requirements established by 46CFR146.29-35. Power tools may be used in constructing shoring but are not permitted in
any compartment containing military explosives.
NOTE
Use of alternate construction techniques that are not equal to or that exceed the requirements of
46CFR146 requires special justification and issuance of an exemption in accordance with
46CFR146.02-25 and 49CFR107.
Waivers may be required to use most of these alternate construction techniques.
5-3
