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*FM 5-125

Field Manual
No. 5-125 Headquarters
Department of the Army
Washington, DC, 3 October 1995

FM 5-125

Rigging Techniques, Procedures, and Applications

Table of Contents

LIST OF FIGURES

LIST OF TABLES

PREFACE

Chapter 1 - Rope

Section I - Fiber Rope

Types of Fibers

Vegetable Fibers

Synthetic Fibers

Characteristics of Fiber Rope

Size

Weight

Strength

Care of Fiber Rope

Handling of Fiber Rope

Inspection of Fiber Rope

Section II - Wire Rope

Types of Wire-Rope Cores

Fiber-Rope Cores

Independent Wire-Rope Cores

Wire-Strand Cores

Classification of Wire Rope

Wire and Strand Combinations

Lay

Characteristics of Wire Rope

Size

Weight

Strength

Care of Wire Rope

Reversing or Cutting Back Ends

Cleaning

Lubricating

Storing

Handling of Wire-Rope

Kinking

Coiling

Unreeling

Seizing

Welding

Cutting

Drums and Sheaves

Inspection of Wire Rope

Procedures

Causes of Failure

Chapter 2 - Knots, Splices, Attachments, and Ladders

Section I - Knots, Hitches, and Lashings

Knots

Knots at the End of Rope

Knots for Joining Two Ropes

Knots for Making Loops

Knots for Tightening a Rope

Knots for Wire Rope

Hitches

Half Hitch

Two Half Hitches

Round Turn and Two Half Hitches

Timber Hitch

Timber Hitch and Half Hitch

Clove Hitch

Rolling Hitch

Telegraph Hitch

Mooring Hitch

Scaffold Hitch

Blackwall Hitch

Harness Hitch

Girth Hitch

Sheepshank

Fisherman's Bend

Lashings

Square Lashing

Shears Lashing

Block Lashing

Section II - Splices

Fiber-Rope Splices

Short Splice

Eye or Side Splice

Long Splice

Crown or Back Splice

Wire-Rope Splices

Short Splice

Eye or Side Splice

Long Splice

Section III - Attachments

End Fittings

Clips

Clamps

Wedge Socket

Basket-Socket End Fitting

Poured Method

Dry Method

Stanchions

Section IV - Rope Ladders

Hanging Ladders

Wire-Rope Ladders

Fiber-Rope Ladders

Standoff Ladders

Chapter 3 - Hoists

Section I - Chains and Hooks

Chains

Strength of Chains

Care of Chains

Hooks

Strength of Hooks

Mousing of Hooks

Inspection of Chains and Hooks

Section II - Slings

Types of Slings

Endless Slings

Single Slings

Combination Slings

Pallets

Spreaders

Stresses

Inspecting and Cushioning Slings

Section III - Blocks and Tackle Systems

Blocks

Types of Blocks

Reeving of Blocks

Tackle Systems

Simple Tackle Systems

Compound Tackle Systems

Friction

Section IV - Chain Hoists and Winches

Chain Hoists

Types of Chain Hoists

Load Capacity

Winches

Ground Angle

Fleet Angle

Spanish Windlass

Chapter 4 - Anchors and Guy Lines

Section I - Anchors

Natural Anchors

Manmade Anchors

Rock Anchor

Picket Holdfasts

Combination Holdfasts

Deadmen

Nomograph-Designed Deadmen

Bearing Plates

Section II - Guy Lines

Number of Guy Lines

Tension on Guy Lines

Size of Guy Lines

Anchorage Requirements

Chapter 5 - Lifting and Moving Equipment

Section I - Lifting Equipment

Gin Poles

Rigging Gin Poles

Erecting Gin Poles

Operating Gin Poles

Tripods

Rigging Tripods

Erecting Tripods

Erecting Large Tripods

Shears

Rigging Shears

Erecting Shears

Operating Shears

Boom Derricks

Rigging Boom Derricks

Erecting Boom Derricks

Operating Boom Derricks

Stiff-Leg Derricks

Operating Stiff-Leg Derricks

Steel Derricks

Light Hoisting Equipment

Pole Derricks

Brave Derricks

Jinniwink Derricks

Section II - Moving Equipment

Skids

Rollers

Jacks

Rachet-Lever Jacks

Steamboat Rachets

Screw Jacks

Hydraulic Jacks

Chapter 6 - Scaffolds

Swinging Scaffolds

Single-Plank Swinging Scaffolds

Swinging Platform Scaffolds

Suspended Scaffolds

Needle-Beam Scaffolds

Double-Pole Built-Up Scaffolds

Boatswain's Chairs

Rope Chairs

Rope Chairs With Seat

Rope Chairs With Tackle

APPENDIX

GLOSSARY

REFERENCES

AUTHORIZATION LETTER

DISTRIBUTION RESTRICTION: Approved for public release; distribution is unlimited.

*This publication supersedes TM 5-725, 3 October 1968.