Trans 307.05(1)(1) All chain used as a tiedown device shall be free of cracks, breaks and separations. Trans 307.05(2)(2) Chain shall be constructed of welded steel links, at least 5/16 inch diameter and rated grade 7 or higher, with a minimum working load limit of 4,700 pounds. Grade 4 chain may be used if the diameter of each link of the chain is at least 3/8 inch diameter, with a minimum working load limit of 5,400 pounds. The department may, in its discretion, approve other grades of chain. Trans 307.05 NoteNote: Grade 7 chain is commonly known as “transport grade.” Grade 4 chain is commonly known as “high test grade.”
Trans 307.05(3)(3) Chain shall be marked with a grade code embossed at least once every 20 links. Grade codes are shown in Table 1.
TABLE 1: CHAIN GRADE MARKINGS USED BY
U.S. CHAIN MANUFACTURERS
Trans 307.05 NoteNote: Chain manufactured by Acco, Boltmaster-Taylor, Hodell, and Teledyne McKay is marked with a grade stamp on each link. The other chain manufacturers above mark their chain with a grade stamp, as indicated, every 10 to 20 links or 2 to 3 linear feet. This table is compiled from information published by the National Association of Chain Manufacturers. The department will update and revise this table periodically. New or additional marking information may be submitted by chain manufacturers to the Wisconsin Department of Transportation, Division of State Patrol, Motor Carrier and Inspection Services Section, P.O. Box 7912, Madison, Wisconsin 53707.
Trans 307.05(4)(4) No person may use grade 3, proof coil, or ungraded chain as a tiedown for logs. Trans 307.05(5)(5) No person may use chain if any link is elongated due to stress. Trans 307.05(6)(6) No person may use chain that has been repaired, unless the working load limit of the repaired chain is at least as great as the working load limit of the original chain. Trans 307.05 HistoryHistory: Cr. Register, October, 1991, No. 430, eff. 11-1-91. Trans 307.06(1)(1) All end devices shall be installed and used in accordance with the manufacturer’s instructions and operate properly. All end devices shall be free of cracks, breaks, and excessive wear. Trans 307.06(2)(2) All end devices shall be constructed of metal with a manufacturer working load limit or breaking force limit at least as great as the chain, webbing strap, or wire cable to which the end device is attached. Trans 307.06(3)(3) Adjustable end devices shall be designed, constructed, and maintained so that the operator of a vehicle can adjust the end devices. Trans 307.06(4)(4) All end devices shall be securely attached to the vehicle. Trans 307.06(5)(5) No person may use an end device which has been repaired, unless there has been a total replacement of the load-bearing component with a replacement component meeting the requirements of this section and the manufacturing standards of the original manufacturer of the tiedown assembly. Trans 307.06(6)(6) The anchorages by which a tiedown device is attached to a vehicle shall have a tensile strength at least as great as the tensile strength of the tiedown assembly. Trans 307.06 HistoryHistory: Cr. Register, October, 1991, No. 430, eff. 11-1-91. Trans 307.07(1)(1) Webbing straps shall have a minimum working load limit of 1,000 pounds per inch of width. Trans 307.07(2)(2) Webbing straps shall be marked by the manufacturer to indicate its working load limit or breaking force limit. Trans 307.07(3)(3) Webbing straps that have been repaired shall bear a clearly legible label stating the name of the company that made the repair and the load rating of the repaired strap. Trans 307.07(4)(4) Webbing straps consisting of woven strands may not be used as a tiedown if: Trans 307.07(4)(b)(b) Separation of its load-carrying stitch pattern exceeds 1/4 of the total stitch area. Trans 307.07(4)(c)(c) Severe abrasion or other damage reduces the strength of the tiedown by at least 20%. Trans 307.07 HistoryHistory: Cr. Register, October, 1991, No. 430, eff. 11-1-91. Trans 307.08(1)(1) All wire cable shall be a minimum of 3/8 inch diameter with a minimum rated working load limit of 3,000 pounds. Trans 307.08(2)(2) No person may use wire cable that has been repaired or spliced. Trans 307.08(3)(3) No person may use wire cable with more than 3 broken wires in any strand or excessive deterioration. Trans 307.08(4)(4) Wire cable shall have a uniform diameter and may not have any detectable reduction in diameter at any point. Trans 307.08 HistoryHistory: Cr. Register, October, 1991, No. 430, eff. 11-1-91. Trans 307.09(1)(1) All stakes shall be metal and of sufficient strength to support the load carried. Trans 307.09(2)(2) Each stake shall be secured to the bed or frame of the vehicle by one of the following means: Trans 307.09(2)(a)(a) Welded to the bed or frame of the vehicle, including as an upright part of a gusseted bunk. Trans 307.09(2)(b)(b) Set into a metal stake pocket which is part of the bed or frame and secured into the stake pocket by: Trans 307.09(2)(b)3.3. A retaining chain, which shall be a separate length of chain not also serving as a tiedown, cross chain or retaining chain for another stake, or Trans 307.09(2)(b)4.4. Any other metal device which locks the stake into the stake pocket so that the stake cannot be removed from the stake pocket without first releasing the retaining mechanism. Trans 307.09(3)(3) Each stack of logs shall be supported by a minimum of 4 stakes, 2 on each side of the vehicle, or by 2 complete gusseted bunks. Trans 307.09(4)(4) Each stack of logs shall be supported by at least 2 stakes on each side of the stack. Stacks of logs exceeding 10 feet in length shall be supported by stakes or gusseted bunks at linear intervals of no more than 10 feet. For stacks of logs over 20 feet in length, the number of stakes on each side of a stack of logs, or of gusseted bunks, shall at least equal the length of the longest log in the stack divided by 10, with any fractions rounded up to the next whole number. This subsection does not apply to pole trailers. Trans 307.09(5)(5) If any portion of any log is stacked higher than the top of any stake on the vehicle, then that stack shall also be secured by tiedowns. Trans 307.09(6)(6) Logs shall be stacked firmly against the stakes on each side of the vehicle or secured by tiedown devices to prevent rolling or shifting. Trans 307.09(7)(7) Logs stacked higher than 5 feet above the bed of a vehicle shall be secured to the vehicle by any of the following: Trans 307.09(7)(b)(b) Cross chains, of the same grade and diameter as tiedowns, which connect the stakes on the opposite sides of each stack of logs; or Trans 307.09 NoteNote: A stack of logs higher than the top of the stakes must be secured to the vehicle by tiedowns s. 348.10(3), Stats. Trans 307.09 HistoryHistory: Cr. Register, October, 1991, No. 430, eff. 11-1-91. Trans 307.10(1)(1) A vehicle with a load surface more than 33 feet in length, transporting logs carried crosswise, or at right angles to the side of the vehicle, shall be equipped with a center device located approximately one-half the distance from the front to the rear of the load surface of the vehicle. Trans 307.10(2)(b)(b) Two or more center-mounted metal posts or a hydraulic log loader securely fastened to the frame of the vehicle, or Trans 307.10(2)(c)(c) Two or more metal rings or hooks, bolted or welded to the frame of the vehicle. Trans 307.10(3)(3) The tiedowns on vehicles with a center device shall be attached to, or threaded through, the center device at least one foot below the level of the load height and satisfy all requirements of s. Trans 307.11. Trans 307.10 HistoryHistory: Cr. Register, October, 1991, No. 430, eff. 11-1-91, except (1), eff. 2-1-92. Trans 307.11(1)(1) Tiedowns shall encompass the entire load of logs and extend from frame to frame for each stack of logs on the vehicle, except as otherwise provided by s. Trans 307.10 (3). Trans 307.11(2)(2) The aggregate working load limit of tiedowns shall be at least 1/2 times the total weight of the cargo. Trans 307.11(3)(3) Each stack of logs shall be secured to the vehicle by at least 2 tiedowns. Trans 307.11(4)(4) The linear interval between tiedowns securing the same stack of logs may not exceed 10 feet. For stacks of logs containing logs over 20 feet in length, the number of tiedowns shall at least equal the length of the longest log in the stack divided by 10, with any fractions rounded up to the next whole number. This subsection does not apply to pole trailers. Trans 307.11(5)(5) All logs transported on pole trailers shall be securely fastened by at least 1 tiedown to the front bolster and by at least 1 tiedown to the rear bolster of the vehicle. Trans 307.11(6)(6) All logs on the outer surface of the load shall be secured either by direct contact with the tiedowns or by being firmly held in place by other logs on the outer surface of the load which are in direct contact with the tiedowns. Trans 307.11 HistoryHistory: Cr. Register, October, 1991, No. 430, eff. 11-1-91. Trans 307.12Trans 307.12 Other regulations. In addition to compliance with this chapter the operator of a vehicle shall exercise reasonable care under the circumstances and shall comply with all applicable federal and state statutes and regulations. The requirements of this chapter are in addition to any other applicable provisions of state and federal law. Trans 307.12 HistoryHistory: Cr. Register, October, 1991, No. 430, eff. 11-1-91.
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