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Chapter Trans 307
STANDARDS FOR LOAD SECUREMENT
Trans 307.01   Purpose.
Trans 307.02   Definitions.
Trans 307.03   Applicability.
Trans 307.035   General requirements.
Trans 307.04   Approved means of securing logs.
Trans 307.05   Chains.
Trans 307.06   End devices.
Trans 307.07   Webbing straps.
Trans 307.08   Wire cable.
Trans 307.09   Stakes.
Trans 307.10   Center device.
Trans 307.11   Tiedowns.
Trans 307.12   Other regulations.
Trans 307.01 Purpose. The purpose of this rule is to establish standards for tiedown devices used to securely fasten logs to motor vehicles, trailers, or semitrailers operated on Wisconsin highways.
History: Cr. Register, October, 1991, No. 430, eff. 11-1-91.
Trans 307.02 Definitions. Words and phrases used in this chapter have the same meanings as those in ch. 340, Stats., except as otherwise defined in this section.
(1) “Aggregate working load limit” means the working load limit multiplied by the number of tiedowns used to secure cargo to a vehicle.
(2) “Breaking force” means the minimum force, measured in pounds, at which a chain, wire cable, webbing strap, or end device breaks when a constantly increasing force is applied to it.
(3) “Chain” means a flexible series of joined and closed steel links.
(4) “Cross chain” means a load-bearing chain extending through or across a load of logs at right angles to the side of a vehicle and which is connected at each end to a side stake.
(5) “End device” means a metal hook, ratchet, winch, binder clamp or similar device which is attached to an end of a chain, webbing strap, or wire cable and is part of the tiedown assembly.
(6) “Front end structure” means a metal structure that is designed to prevent cargo from shifting forward into the driver compartment, including, but not limited to, a headboard or posts at the front end of the load carrying area of a vehicle.
Note: See also 49 CFR 393.106 as adopted by reference in ss. Trans 325.02 (4) and 327.03 (4), pertaining to front end structures.
(7) “Gusseted bunk” means a welded or bolted “U” shaped frame secured to the frame of a vehicle and consisting of a heavy cross beam, upon which logs rest, with an upright post at either end, each braced at the base by triangular gusset plates.
(8) “Log” means a section of the trunk or branches of a felled tree. The term includes, but is not limited to, similar peeled or unpeeled forest products such as pilings, posts, poles, cordwood, pulpwood, and fuel wood.
(9) “Rear end structure” means a metal structure designed to prevent cargo from shifting to the rear, or falling off the rear, of a vehicle including, but not limited to, a rear endboard or endposts.
(10) “Stake” means a vertical metal post along the side of a vehicle, resting in a stake pocket or otherwise secured to the bed or frame of the load carrying unit. The term does not include any component of a front end structure or a rear end structure.
(11) “Stack” means a group of logs of approximately the same length piled one upon the other.
(12) “Tiedown” or “tiedown assembly” means a chain, wire cable, or webbing strap, with any attached end device, used to secure cargo to a vehicle.
(13) “Webbing strap” means a flat band of woven synthetic fibers used to secure cargo to a vehicle.
(14) “Wire cable” means continuous steel strands that are woven into a length of metal rope used to secure cargo to a vehicle.
(15) “Working load limit” means the maximum load limit, measured in pounds, of a tiedown, established by the manufacturer of a chain, cable, webbing strap, or end device.
History: Cr. Register, October, 1991, No. 430, eff. 11-1-91.
Trans 307.03 Applicability.
(1) General. This chapter applies to any motor vehicle, trailer, or semitrailer transporting logs on a highway within this state.
(2) Exceptions. This chapter does not apply to any motor vehicle, trailer, or semitrailer, including an implement of husbandry, that is equipped with a body enclosing the load-carrying portion of the vehicle, if the body is constructed and maintained with sides and ends:
(a) Of sufficient strength to restrain the entire cargo and to prevent any shifting, falling or spillage of the logs.
(b) Of sufficient height so that no portion of the cargo is above the sides or ends.
(c) Without any open aperture large enough to pass any log carried while being transported.
History: Cr. Register, October, 1991, No. 430, eff. 11-1-91.
Trans 307.035 General requirements.
(1) Prohibited operations.
(a) No person may operate, or allow the operation of, any vehicle carrying logs on a highway, except in compliance with the requirements of this chapter. Any violation of this chapter shall be treated as a violation of s. 348.10 (3), Stats.
(b) A law enforcement officer may require the operator of a vehicle to stop and properly secure a load, including reloading if necessary, to comply with this chapter.
(2) Stacking logs. Logs shall be stacked parallel to one another in an orderly fashion.
(3) Attachments and fastenings. All attachments and fastening devices mounted on a vehicle, and used with a tiedown assembly, shall have a tensile strength at least as great as the tensile strength of the tiedown assembly alone.
History: Cr. Register, October, 1991, No. 430, eff. 11-1-91.
Trans 307.04 Approved means of securing logs.
(1) Vehicles transporting logs generally. Except as provided in sub. (3), each stack of logs shall be secured to a vehicle by tiedowns in the manner required by this chapter.
(2) Vehicles carrying logs crosswise.
(a) Vehicles carrying logs crosswise, or at right angles to the side of the vehicle, shall be equipped with both a front end structure and a rear end structure of sufficient strength to support the load.
(b) Front and rear end structures shall be securely bolted or welded to the frame of the vehicle, except that front or rear end structures consisting of metal posts may be secured in pockets in the same manner as required for stakes by s. Trans 307.09 (2) (b).
(c) Posts which are part of a front or rear end structure shall be made of metal.
(d) Logs shall be stacked so as to be firmly wedged against the front and rear end structures, and any required center device, so that the logs cannot roll or shift forwards or backwards.
(e) Logs carried crosswise shall also be secured to the vehicle frame by longitudinal tiedowns.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.