- § 393.1
Scope of the rules in this part.
- § 393.3
Additional equipment and accessories.
- § 393.5
- § 393.7
Matter incorporated by reference.
- § 393.9
Lamps operable, prohibition of obstructions of lamps and reflectors.
- § 393.11
Lamps and reflective devices.
- § 393.13
Retroreflective sheeting and reflex reflectors, requirements for semitrailers and trailers manufactured before December 1, 1993.
- § 393.17
Lamps and reflectors—combinations in driveaway-towaway operation.
- § 393.19
Hazard warning signals.
- § 393.20
- § 393.22
Combination of lighting devices and reflectors.
- § 393.23
Power supply for lamps.
- § 393.24
Requirements for head lamps, auxiliary driving lamps and front fog lamps.
- § 393.25
Requirements for lamps other than head lamps.
- § 393.26
Requirements for reflectors.
- § 393.27
- § 393.28
- § 393.29
- § 393.30
- §§ 393.31-393.33
- § 393.40
Required brake systems.
- § 393.41
Parking brake system.
- § 393.42
Brakes required on all wheels.
- § 393.43
Breakaway and emergency braking.
- § 393.44
Front brake lines, protection.
- § 393.45
Brake tubing and hoses; hose assemblies and end fittings.
- § 393.46
- § 393.47
Brake actuators, slack adjusters, linings/pads and drums/rotors.
- § 393.48
Brakes to be operative.
- § 393.49
Control valves for brakes.
- § 393.50
- § 393.51
Warning signals, air pressure and vacuum gauges.
- § 393.52
- § 393.53
Automatic brake adjusters and brake adjustment indicators.
- § 393.55
Antilock brake systems.
- § 393.60
Glazing in specified openings.
- § 393.61
Truck and truck tractor window construction.
- § 393.62
Emergency exits for buses.
- § 393.63
- § 393.65
All fuel systems.
- § 393.67
Liquid fuel tanks.
- § 393.68
Compressed natural gas fuel containers.
- § 393.69
Liquefied petroleum gas systems.
- § 393.70
Coupling devices and towing methods, except for driveaway-towaway operations.
- § 393.71
Coupling devices and towing methods, driveaway-towaway operations.
- § 393.75
- § 393.76
- § 393.77
- § 393.78
Windshield wiping and washing systems.
- § 393.79
Windshield defrosting and defogging systems.
- § 393.80
- § 393.81
- § 393.82
- § 393.83
- § 393.84
- § 393.85
- § 393.86
Rear impact guards and rear end protection.
- § 393.87
Warning flags on projecting loads.
- § 393.88
- § 393.89
Buses, driveshaft protection.
- § 393.90
Buses, standee line or bar.
- § 393.91
Buses, aisle seats prohibited.
- § 393.92
- § 393.93
Seats, seat belt assemblies, and seat belt assembly anchorages.
- § 393.94
Interior noise levels in power units.
- § 393.95
Emergency equipment on all power units.
- § 393.100
Which types of commercial motor vehicles are subject to the cargo securement standards of this subpart, and what general requirements apply?
- § 393.102
What are the minimum performance criteria for cargo securement devices and systems?
- § 393.104
What standards must cargo securement devices and systems meet in order to satisfy the requirements of this subpart?
- § 393.106
What are the general requirements for securing articles of cargo?
- § 393.108
How is the working load limit of a tiedown, or the load restraining value of a friction mat, determined?
- § 393.110
What else do I have to do to determine the minimum number of tiedowns?
- § 393.112
Must a tiedown be adjustable?
- § 393.114
What are the requirements for front end structures used as part of a cargo securement system?
- § 393.116
What are the rules for securing logs?
- § 393.118
What are the rules for securing dressed lumber or similar building products?
- § 393.120
What are the rules for securing metal coils?
- § 393.122
What are the rules for securing paper rolls?
- § 393.124
What are the rules for securing concrete pipe?
- § 393.126
What are the rules for securing intermodal containers?
- § 393.128
What are the rules for securing automobiles, light trucks and vans?
- § 393.130
What are the rules for securing heavy vehicles, equipment and machinery?
- § 393.132
What are the rules for securing flattened or crushed vehicles?
- § 393.134
What are the rules for securing roll-on/roll-off or hook lift containers?
- § 393.136
What are the rules for securing large boulders?
- § 393.201
- § 393.203
Cab and body components.
- § 393.205
- § 393.207
- § 393.209
Steering wheel systems.
PARTS AND ACCESSORIES NECESSARY FOR SAFE OPERATION
§ 393.118: What are the rules for securing dressed lumber or similar building products?
(a) Applicability. The rules in this section apply to the transportation of bundles of dressed lumber, packaged lumber, building products such as plywood, gypsum board or other materials of similar shape. Lumber or building products which are not bundled or packaged must be treated as loose items and transported in accordance with §§ 393.100 through 393.114 of this subpart. For the purpose of this section, “bundle” refers to packages of lumber, building materials or similar products which are unitized for securement as a single article of cargo.
(b) Positioning of bundles. Bundles must be placed side by side in direct contact with each other, or a means must be provided to prevent bundles from shifting towards each other.
(c) Securement of bundles transported using no more than one tier. Bundles carried on one tier must be secured in accordance with the general provisions of §§ 393.100 through 393.114.
(d) Securement of bundles transported using more than one tier. Bundles carried in more than one tier must be either:
(1) Blocked against lateral movement by stakes on the sides of the vehicle and secured by tiedowns laid out over the top tier, as outlined in the general provisions of §§ 393.100 through 393.114; or
(2) Restrained from lateral movement by blocking or high friction devices between tiers and secured by tiedowns laid out over the top tier, as outlined in the general provisions of §§ 393.100 through 393.114; or
(3) Placed directly on top of other bundles or on spacers and secured in accordance with the following:
(i) The length of spacers between bundles must provide support to all pieces in the bottom row of the bundle.
(ii) The width of individual spacers must be equal to or greater than the height.
(iii) If spacers are comprised of layers of material, the layers must be unitized or fastened together in a manner which ensures that the spacer performs as a single piece of material.
(iv) The arrangement of the tiedowns for the bundles must be:
(A) Secured by tiedowns over the top tier of bundles, in accordance with the general provisions of §§ 393.100 through 393.114 with a minimum of two tiedowns for bundles longer than 1.52 meters (5 ft); and
(B) Secured by tiedowns as follows:
(1) If there are 3 tiers, the middle and top bundles must be secured by tiedowns in accordance with the general provisions of §§ 393.100 through 393.114; or
(2)(i) If there are more than 3 tiers, then one of the middle bundles and the top bundle must be secured by tiedown devices in accordance with the general provision of §§ 393.100 through 393.114, and the maximum height for the middle tier that must be secured may not exceed 6 feet above the deck of the trailer; or
(ii) Otherwise, the second tier from the bottom must be secured in accordance with the general provisions of §§ 393.100 through 393.114; or
(4) Secured by tiedowns over each tier of bundles, in accordance with §§ 393.100 through 393.114 using a minimum of two tiedowns over each of the top bundles longer than 1.52 meters (5 ft), in all circumstances; or
(e) When loaded in a sided vehicle or container of adequate strength, dressed lumber or similar building products may be secured in accordance with the general provisions of §§ 393.100 through 393.114.