Definitions

Terms used in these standards shall be interpreted in the most commonly accepted sense, excepting only those specifically defined. (3-31-22) 01. Arch. A piece of equipment attached to the rear of a vehicle, used for raising one end of logs to facilitate skidding. (3-31-22) 02. Back Cut. The final falling cut. (3-31-22) 03. Barber Chair. Slab portion of tree remaining on the stump above the back cut due to improper falling. (3-31-22) 04. Bell. The component that slides on the cable and connects to the knob or button. When a worker chokes a log or stump, the bell secures the knob or button. (3-31-22) 05. Bight. The loop of a line or the angle formed by a line running through a block. (7-1-25) 06. Binder. A device to tighten chain when securing a load for transport. (7-1-25) 07. Bunk. The cross support for logs on a logging car or truck. (3-31-22) 08. Cable-Assisted Logging Systems. Logging systems, including, but not limited to, winch-assisted, cable-assisted, tethered, and traction-assisted systems that enable ground-based timber harvesting machines, including, but not limited to, feller bunchers, harvesters, loaders and shovels, to be operated on slopes. (3-31-22) 09. Carriage Logging. A type of high lead logging using gravity, haul back, or remote control carriages to yard logs. (7-1-25) 10. Chaser. The member of the yarding crew who unhooks the logs at the landing or fights hang-ups on skid road. (3-31-22) 11. Choker. A wire rope with special attachments put around the log near the end for hauling or lifting. (3-31-22) 12. Cold Shut. A link for joining two (2) chains, the link being closed cold with a hammer, not a weld. (3-31-22) 13. Competent Person. An individual who is capable of identifying existing and predictable hazards in the work site surroundings or working conditions that are unsanitary, hazardous or dangerous to employees, and who has authorization to take prompt corrective measures to eliminate such. (3-31-22) 14. Cutter. A term used to designate faller or bucker. (3-31-22) 15. Equipment. The term, as used, means and include all machines, machinery, tools, devices, safeguard, and protective facilities used in connection with logging operations, regardless of ownership. (3-31-22) 16. Grapple. A device attached to a hoisting line or boom for mechanically handling logs. (7-1-25) 17. Guarded. Guarded means covered, shielded, or railed so as to remove the possibility of dangerous contact or approach by employees or objects. It further means construction of guards to ensure protection from flying objects where applicable. (3-31-22) 18. Guy Lines. The lines used to stay or support spar trees, booms, etc. (3-31-22) 19. Haul Back. A small wire line traveling between the power skidder and a pulley set near the logs. IDAHO ADMINISTRATIVE CODE IDAPA 24.39.80 – Minimum Safety Div. of Occupational & Professional Licenses Standards and Practices for Logging Section 002 Page 5 Used to return the main cable with tongs, chokers, or hooks to the next log. (3-31-22) 20. Hazard. Hazard, as used in these standards, means any condition or circumstance that may cause accident or injury to an employee. (3-31-22) 21. Hook Tender, Hooker. The worker who supervises the method of moving the logs from the woods to the place of loading. (3-31-22) 22. Jammer. A machine used for skidding logs. (7-1-25) 23. Knob. A metal ferrule arranged to be attached to the end of a line, used in place of a spliced eye. (3-31-22) 24. Landing. Any place where logs are placed, after being yarded, awaiting loading or unloading. (3-31-22) 25. Leaners. A live or dead leaning tree. (3-31-22) 26. Loading Boom. Any structure projecting from a pivot point to guide a log when lifted. (3-31-22) 27. Log or Logs. When the word log or logs is used, it includes poles, piling, pulpwood, skids, etc. (3-31-22) 28. Operation (Show Woods Layout). Any place where logging is being done. (3-31-22) 29. Mainline. A cable which pulls logs or trees to loading. (3-31-22) 30. Qualified Person. An individual who, by possession of a recognized degree, certificate or professional standing, or who by extensive knowledge, training and experience, has successfully demonstrated the ability to solve or resolve problems relating to the subject matter, the work, or the project. (3-31-22) 31. Reach. An adjustable beam between a trailer and a motorized logging vehicle. (3-31-22) 32. Running Line. Any line that moves. (3-31-22) 33. Safety Factor. This term as used is the ratio of the ultimate breaking strength of a member or piece of material to the actual working stress or to the maximum permissible (safe load) stress. For example: When a safety factor of six (6) is required, the structure, lines, hoists, or other equipment referred to shall be such as to provide a strength sufficient to support a load equal to six (6) times the total weight or stress to be imposed on it. (3-31-22) 34. Shall, Will. Is compulsory or mandatory. (3-31-22) 35. Skidding. Movement of logs on the ground. (3-31-22) 36. Skyline. The supporting line on various types of logging systems on which carriage, block, or bullet travels. (3-31-22) 37. Snags. Any dead standing trees. (3-31-22) 38. Strap. Any short piece of line with an eye or “D” in each end. (3-31-22) 39. Strip. A definite location of timber allocated to a cutting crew. (3-31-22) 40. Substantial. Means constructed of such strength, of such material, and of such workmanship, that the object referred to will withstand normal wear, shock and usage. (3-31-22) 41. Tongs. A hooking device used to lift or skid logs. (3-31-22) IDAHO ADMINISTRATIVE CODE IDAPA 24.39.80 – Minimum Safety Div. of Occupational & Professional Licenses Standards and Practices for Logging Section 011 Page 6 42. Undercut. A notch cut in the tree to guide and control the tree in falling. (3-31-22) 43. Yarding. Movement of logs or trees from the place they are felled (bucked) to a central loading or shipping point. (3-31-22) 003. – 010. (RESERVED)