Unit 1013 Title Describe Rigging Components and Basic Rigging Practices Document type Learning resource In consultation with industry subject matter experts, the BC Forest Safety Council (BCFSC) facilitated the production of this material. Funding was provided by the Government of Canada, the Province of British Columbia, and industry in-kind contributions. Printed copies are considered uncontrolled and may be outdated. Current versions are available from the BCFSC. Refer to https://www.bcforestsafe.org/node/2823 for more information. Feedback is welcome and may be sent to [email protected]. lng_1013.docx Page 2 of 60 Date: March 24, 2018 Table of Contents Unit Introduction ................................................................................................... 6 What you will learn in this unit ......................................................................... 6 Why it’s important for you to learn this unit ..................................................... 6 Are you ready to take this unit? ....................................................................... 6 Does this unit apply to you? ............................................................................ 6 Section 1013-01: Rigging Terminology and Components ................................... 7 What you need to know about this section ...................................................... 7 Key Point 1.1: Rigging Terminology and Definitions ........................................... 8 Rigging Terminology and Definitions—Self-Quiz .............................................. 10 Rigging Terminology and Definitions—Quiz Answers ....................................... 11 Key Point 1.2: Rigging Components .................................................................. 12 Wire rope ....................................................................................................... 12 Grades of wire rope ................................................................................... 12 General rope characteristics ..................................................................... 13 Blocks ............................................................................................................ 14 Backend (haulback) block ......................................................................... 14 Tommy Moore block .................................................................................. 14 Straps............................................................................................................. 15 Haulback strap .......................................................................................... 15 Tree strap .................................................................................................. 15 Fabric (soft) straps .................................................................................... 16 Anchors .......................................................................................................... 16 Multiple stump anchors ............................................................................. 17 Deadweight anchors.................................................................................. 18 Alternative anchoring systems....................................................................... 18 Equipment anchor ..................................................................................... 19 Earth anchor .............................................................................................. 19 Pickets ....................................................................................................... 19 Screw-in anchors ....................................................................................... 19 Tipping plate anchors ................................................................................ 20 Bridle blocks .............................................................................................. 20 Deadmen ................................................................................................... 21 Rock anchor ................................................................................................... 21 Galvanized wire rope and steel pins ......................................................... 22 Wire rope ................................................................................................... 22 Steel pins ................................................................................................... 22 Guylines ......................................................................................................... 23 Shackles .................................................................................................... 24 Grapple ...................................................................................................... 24 lng_1013.docx Page 3 of 60 Date: March 24, 2018 Butt rigging ................................................................................................ 24 Carriages ....................................................................................................... 25 Shotgun carriages ..................................................................................... 25 Slack skyline carriage................................................................................ 27 Hooks ............................................................................................................. 30 Drop line bull hooks ................................................................................... 30 Strawline hooks ......................................................................................... 30 Pelican hooks ............................................................................................ 31 Cinches...................................................................................................... 31 Eye bolt...................................................................................................... 31 Spreader bars ............................................................................................ 32 Sheaves..................................................................................................... 32 Thimbles .................................................................................................... 32 Cable clamps ............................................................................................. 33 Slings ......................................................................................................... 33 Rigging Components—Self-Quiz ....................................................................... 34 Rigging Components—Quiz Answers ............................................................... 35 Section 1013-02: Regulations and Standards ................................................... 36 What you need to know about this section .................................................... 36 Key Point 2.1: Basic Rigging Practices .............................................................. 37 Be in the clear ................................................................................................ 37 Basic rigging practices ................................................................................... 37 Setting a choker ........................................................................................ 37 Hanging a haulback block and strap ......................................................... 39 Stringing strawline ..................................................................................... 39 Hanging guylines ....................................................................................... 40 Carrying blocks .......................................................................................... 41 Basic Rigging Practices—Self-Quiz ................................................................... 43 Basic Rigging Practices—Quiz Answers ........................................................... 44 Key Point 2.2: Condition of Rigging Including Use, Maintenance, Removal, and Storage ............................................................................................................... 45 Wire rope ....................................................................................................... 45 Guylines, connections, and splices ........................................................... 47 Guylines..................................................................................................... 47 Guyline extensions .................................................................................... 48 Yarding line extensions ............................................................................. 48 Line terminals ............................................................................................ 49 Pressed ferrules ........................................................................................ 49 Eye splices ................................................................................................ 49 Strawline connectors ................................................................................. 50 lng_1013.docx Page 4 of 60 Date: March 24, 2018 Blocks ........................................................................................................ 50 Shackles .................................................................................................... 51 Straps .......................................................................................................