OAR 437-007-1055
Log Truck and Trailer Bunk Chains and Cables


(1)

Chains or cables used to secure bunk blocks or stakes must have a manufacturer’s rating for a safe working load of not less than 6,600 pounds. The following chain and wire rope meet the 6,600 pound requirement:

(a)

Chain of welded link construction:

(A)

38-inch alloy steel chain, or

(B)

716-inch high-test steel chain, and

(b)

58-inch IPS wire rope in 6 x 19 or 6 x 37 construction.

(2)

Bunk chains must be immediately removed from service when they contain cuts, cracks, other defects or when wear has reduced the original chain diameter by 15 percent.

(3)

Wire rope used for stake straps must meet the requirements of OAR 437-007-0605 (Out-of-Service Requirements for Wire Rope)(4).

(4)

Only repair links with strength equivalent to the chain are permissible for repairs or attachments for chains.

Source: Rule 437-007-1055 — Log Truck and Trailer Bunk Chains and Cables, https://secure.­sos.­state.­or.­us/oard/view.­action?ruleNumber=437-007-1055.

437‑007‑0001
Authority of Rules
437‑007‑0002
Purpose of Rules
437‑007‑0003
Scope of Rules
437‑007‑0004
Applicability of Rules
437‑007‑0010
Worker Protection Standard
437‑007‑0025
Definitions
437‑007‑0100
Safety and Health Program
437‑007‑0105
Management Commitment
437‑007‑0110
Supervisory Responsibilities
437‑007‑0125
Accident Investigation
437‑007‑0130
Employee Involvement
437‑007‑0135
Hazard Identification and Control
437‑007‑0140
Training
437‑007‑0145
Annual Program Evaluation
437‑007‑0200
Site Planning and Implementation
437‑007‑0205
Hazard Identification
437‑007‑0210
Checking System
437‑007‑0215
Working Alone
437‑007‑0220
Medical Services and First Aid
437‑007‑0225
Working Near Unstable Objects and Danger Trees
437‑007‑0230
Power Line Safeguards
437‑007‑0235
Working Conditions
437‑007‑0240
Night Logging
437‑007‑0245
Field Sanitation For Reforestation Activities
437‑007‑0300
General Requirements
437‑007‑0305
Head Protection
437‑007‑0310
High-Visibility Color
437‑007‑0315
Eye and Face Protection
437‑007‑0320
Hand Protection
437‑007‑0325
Leg Protection
437‑007‑0330
Foot Protection
437‑007‑0335
Hearing Protection
437‑007‑0340
Personal Floatation Devices
437‑007‑0345
Respiratory Protection
437‑007‑0350
Respiratory Protection When Machines Are Operated
437‑007‑0400
Hand and Portable Power-Driven Tools
437‑007‑0405
Chain Saws
437‑007‑0410
Fire Extinguishers
437‑007‑0415
Explosives and Blasting Agents
437‑007‑0500
Roads
437‑007‑0505
Bridges
437‑007‑0510
Flagging
437‑007‑0515
Signs
437‑007‑0520
Vehicle General Requirements
437‑007‑0525
Vehicle Warning Devices
437‑007‑0530
Vehicle Windshields, Windows and Mirrors
437‑007‑0535
Vehicle Passenger Compartments
437‑007‑0540
Vehicle Brakes
437‑007‑0545
Vehicle Exhaust Systems
437‑007‑0550
Vehicle Guards and Controls
437‑007‑0555
Vehicle Safety Chains
437‑007‑0560
Vehicle Seat Belts
437‑007‑0565
Vehicle Inspection, Maintenance and Repair
437‑007‑0570
Vehicle Operation
437‑007‑0575
Transportation of Personnel
437‑007‑0580
Flammable and Combustible Liquids
437‑007‑0600
Inspection and General Requirements for Rigging
437‑007‑0605
Out-of-Service Requirements for Wire Rope
437‑007‑0610
Line Cutting and Splicing
437‑007‑0615
Pressed Eyes and End Fittings
437‑007‑0620
Cable Clamps
437‑007‑0625
Mollies
437‑007‑0630
Connectors
437‑007‑0635
Shackles
437‑007‑0640
Metal Spar Guyline Safety Straps
437‑007‑0645
Chokers and Straps
437‑007‑0650
Guylines — General Requirements
437‑007‑0655
Guylines — Tail Tree Guying
437‑007‑0660
Intermediate Support Trees
437‑007‑0665
Anchoring
437‑007‑0670
Spiking and Releasing Spiked Guylines or Skylines
437‑007‑0675
Selecting, Preparing and Rigging Trees
437‑007‑0680
Blocks and Hanging Blocks.
437‑007‑0690
Metal Towers
437‑007‑0700
General Work Practices
437‑007‑0705
General Machine Operator Requirements
437‑007‑0710
General Machine Requirements
437‑007‑0715
Attaching and Spooling Line (Wire or Synthetic Rope)
437‑007‑0720
Fairleads
437‑007‑0725
Securing Machines.
437‑007‑0730
Loading Machines
437‑007‑0735
Chippers
437‑007‑0740
Machine Exhaust Systems
437‑007‑0745
Windows and Windshields on Machines
437‑007‑0750
Drum Brakes
437‑007‑0755
Machine Travel Brakes
437‑007‑0760
Outriggers
437‑007‑0765
Hauling or Moving Machines
437‑007‑0770
Protective Structure for Operators, General Requirements
437‑007‑0775
Protective Structure For Operators, Machines Manufactured On Or After July 1, 2004
437‑007‑0780
Protective Structures for Operators, Machines Used On Or After July 1, 2014
437‑007‑0800
General Requirements
437‑007‑0805
Mechanical Falling
437‑007‑0810
Manual Falling
437‑007‑0815
Wedges
437‑007‑0820
Bucking Trees/Logs
437‑007‑0825
Tree Jacking
437‑007‑0830
Tree Pulling
437‑007‑0900
General Landing Work Practices
437‑007‑0905
Landings
437‑007‑0910
Landing Logs
437‑007‑0915
Log Decks
437‑007‑0920
General Cable Yarding and Ground Skidding Work Practice
437‑007‑0925
Cable Yarding Work Practices
437‑007‑0927
Working Near Standing Tree Anchors, and Tail/Intermediate Support Trees
437‑007‑0930
Grapple Yarding
437‑007‑0935
Operation of Ground Skidding Machines and Vehicles
437‑007‑0940
Signaling and Communications
437‑007‑0945
Electrical Signal Systems
437‑007‑0950
Voice Communication on Combined Signal/Voice Transmitters
437‑007‑1000
General Requirements
437‑007‑1005
Loading
437‑007‑1010
Securing Loads for Transport
437‑007‑1015
Binders and Wrappers
437‑007‑1020
Log Truck General Requirements
437‑007‑1025
Log Truck Safety Chains or Cables
437‑007‑1030
Log Truck and Trailer Hitches (Couplings)
437‑007‑1035
Log Truck and Trailer Brakes
437‑007‑1040
Log Truck Trailer Reaches and Drawbars
437‑007‑1045
Log Truck Trailers
437‑007‑1050
Log Truck and Trailer Bunks and Stakes
437‑007‑1055
Log Truck and Trailer Bunk Chains and Cables
437‑007‑1060
Additional Requirements for Log Trucks Equipped With Self-Loaders
437‑007‑1100
General Work Practices
437‑007‑1105
General Requirements for Log and Wood Fiber Unloading, Handling and Storage Areas
437‑007‑1110
Wrappers Removal General
437‑007‑1115
Barriers For Securing Log Loads
437‑007‑1120
Removing Wrappers From Barrier Secured Loads
437‑007‑1125
Removing Wrappers From Machine Secured Loads
437‑007‑1130
Removing Center Wrappers From Unsecured Loads
437‑007‑1135
Unloading Logs
437‑007‑1140
Split Loads
437‑007‑1145
Loading or Unloading Trailers
437‑007‑1150
Trailer Hoists
437‑007‑1155
Dry Land Log and Fiber Handling and Processing
437‑007‑1160
Water Dumps, Log Ponds and Booms
437‑007‑1165
Boats
437‑007‑1200
Helicopter Operation
437‑007‑1205
Aircraft Refueling/Maintenance Area
437‑007‑1300
Scope of Rules
437‑007‑1303
Application of Rules
437‑007‑1305
General Requirements
437‑007‑1310
Personnel Assignments
437‑007‑1315
Single Personnel Assignments
437‑007‑1320
Personal Protective Equipment
437‑007‑1325
Training
437‑007‑1330
Equipment, Vehicles and Machines, General Requirements
437‑007‑1335
Vehicle Operation
437‑007‑1340
Machine Operation
437‑007‑1345
Helicopter Operations
437‑007‑1400
Jerk Wire Whistle System
437‑007‑1405
Radio Signal Systems
437‑007‑1500
Tree Climbing General Requirements
437‑007‑1505
Climbing Equipment General Requirements
437‑007‑1510
Climbing Procedures General Requirements
437‑007‑1515
Rigging Trees for Cable Logging Systems
437‑007‑1520
Four Inch Tie-In Systems
437‑007‑1525
Belayed (Snubbing) Climbing System
437‑007‑1530
Three Point Climbing System
437‑007‑1535
Storage and Transportation of Climbing Equipment General Requirements
Last Updated

Jun. 8, 2021

Rule 437-007-1055’s source at or​.us