AS 1418.3:2024

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Cranes, hoists and winches, Part 3: Bridge, gantry, portal (including container cranes) and jib cranes

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AS 1418.3 specifies requirements for bridge, gantry, semi-gantry, and portal cranes. It also covers container and heavy-duty cranes

Header

About this publication

Preface

Introduction

1 Scope and general

1.1 Scope

1.2 Normative references

1.3 Terms and definitions

1.4 New designs, innovations and design methods

1.5 Risk assessment

2 Classification and load rating

3 Structure

3.1 Basis of design

3.2 Slenderness ratios of bridge section

3.3 Deflection

3.3.1 Limits

3.3.2 Leg spread of gantry cranes

3.3.3 Natural frequency

3.3.4 Lateral forces on portal cranes

3.3.5 Camber

3.3.6 Jib cranes

3.4 Span to wheelbase ratio

4 Stability

5 Crane mechanisms

5.1 Mechanisms

5.1.1 General

5.1.2 Rated capacity limiter

5.2 Motion limits

5.2.1 General

5.2.2 Crane anti-collision

5.2.3 Crab and trolley anti-collision

5.2.4 Out-of-service conditions

5.3 Hoisting unit

5.3.1 Rope

5.3.2 Drum

5.3.3 Retention of chain

5.4 Attachments for containers fitted with twistlocks

5.4.1 General

5.4.2 Spreader

5.4.3 Twistlock details

5.5 Multiple hoist/crab combinations

5.6 Multiple crane combinations

5.7 Recording of hoist operation

6 Access from fixed platforms

6.1 Access to crane operating position

6.2 Access for servicing — Service platforms

6.3 Access and servicing facilities

7 Access from mobile platforms

8 Clearances

8.1 General

8.2 Clearance below unladen crane

8.3 Clearance at or near a crane runway

9 Electrical access isolators

9.1 General

9.2 Access isolators for access from fixed platforms

9.2.1 Hoisting motion

9.2.2 Travel and traverse motions

9.2.2.1 Location of service isolators

9.2.2.2 Travel motion

9.2.2.3 Traverse motion

9.3 Access isolators for access from mobile platforms

9.4 Marking of access isolators

10 Operational design

10.1 General

10.2 Speed limitations for floor operated cranes

11 Marking

11.1 Marking on crane

11.2 Marking on hoist

11.3 Combination hoist labelling on cranes

12 Inspection and commissioning

12.1 Commissioning

12.1.1 General

12.1.2 Pre-operational inspection and testing

12.1.3 No-load operation and testing

12.1.4 Load testing

12.1.5 Reports

13 Guarding

Appendix A

Appendix B

Appendix C

Bibliography