Chapter 437-007

437-007-1400 Jerk Wire Whistle System The use of a jerk wire whistle system for any type of yarding operation is prohibited. Statutory/Other Authority: ORS 654.025(2) & 656.726(4) Statutes/Other Implemented: ORS 654.001 - 654.295 History: OSHA 5-2003, f. 6-2-03, cert. ef. 12-1-03…

437-007-1405 Radio Signal Systems (1) When space transmission of radio signals is used to initiate any whistle, horn, bell, or other audible signaling device, or when such transmission of radio signals is used to activate or control any machine, material-handling device or other …

437-007-1500 Tree Climbing General Requirements (1) The employer must develop rescue procedures that include: (a) Adequate personnel and equipment to perform the rescue. (b) Training in procedures to rescue a climber from a tree. (2) When rescuing a climber, use procedures or equ…

437-007-1505 Climbing Equipment General Requirements (1) Before leaving the ground, the climber must: (a) Visually check their climbing equipment, (b) Immediately remove defective or damaged climbing equipment from service. (c) Check hardware for secure closure before placing the…

437-007-1510 Climbing Procedures General Requirements (1) Before climbing a tree, assess the tree and immediate area for any potential hazards that could affect the climbing activity. (2) When stopping to rest or work, the climber must be secured to the tree. (3) When using a kno…

437-007-1515 Rigging Trees for Cable Logging Systems (1) Yarding of any type must not be conducted within reach of the tree or guylines of a tree in which a climber is working. (2) When machines are used to hoist rigging: (a) A person must be assigned to transmit the climber's si…

437-007-1520 Four Inch Tie-In Systems (1) Use a belay (snubbing) system, with dynamic rope, when climbing above the 4-inch bole diameter in conifers or above the last secure tie-in point capable of providing life support in hardwoods. (2) Install 4-inch tie-in system protection (…

437-007-1525 Belayed (Snubbing) Climbing System (1) The belay line must be a dynamic rope with a minimum 5400 pounds breaking strength. (2) Do not use a body belay. (3) Do not use a chest harness as the tie-in point. (4) Follow the requirements of Appendix 7-K. [ED. NOTE: Appendi…

437-007-1530 Three Point Climbing System (1) Use a three-point climbing system (three-points of contact) when tree climbing. NOTE: A three-point system is not required when using an approved rappel or ascender system. (2) While tree climbing, three-points of contact must be firml…

437-007-1535 Storage and Transportation of Climbing Equipment General Requirements Do not store or transport climbing equipment: (1) Near extreme heat sources. (2) In contact with gas, oil, chemicals, chemical vapors, battery and other acids. (3) In contact with sharp or pointed …