Lever Hoists

Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings

AN A MERICAN NA TIONAL S T AND ARD

ASME B30.21-2014

[Revision of ASME B30.21-2005 (R2010)]

ASME B30.21-2014

[Revision of ASME B30.21-2005 (R2010)]

Lever Hoists

Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings

AN AMERICAN NA TIONAL S T AND ARD

Two Park Avenue • New York, NY • 10016 USA

Date of Issuance: May 30, 2014

The next edition of this Standard is scheduled for publication in 2019. This Standard will become effective 1 year after the Date of Issuance.

ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard. Interpretations are published on the ASME Web site under the Committee Pages at https://cstools.asme.org/ as they are issued. Interpretations will also be included with each edition.

Errata to codes and standards may be posted on the ASME Web site under the Committee Pages to provide corrections to incorrectly published items, or to correct typographical or grammatical errors in codes and standards. Such errata shall be used on the date posted.

The Committee Pages can be found at https://cstools.asme.org/. There is an option available to automatically receive an e-mail notification when errata are posted to a particular code or standard. This option can be found on the appropriate Committee Page after selecting “Errata” in the “Publication Information” section.

ASME is the registered trademark of The American Society of Mechanical Engineers.

This code or standard was developed under procedures accredited as meeting the criteria for American National Standards. The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate. The proposed code or standard was made available for public review and comment that provides an opportunity for additional public input from industry, academia, regulatory agencies, and the public-at-large.

ASME does not “approve,” “rate,” or “endorse” any item, construction, proprietary device, or activity.

ASME does not take any position with respect to the validity of any patent rights asserted in connection with any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent, nor assume any such liability. Users of a code or standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their own responsibility.

Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard.

ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME procedures and policies, which precludes the issuance of interpretations by individuals.

No part of this document may be reproduced in any form, in an electronic retrieval system or otherwise,

without the prior written permission of the publisher.

The American Society of Mechanical Engineers Two Park Avenue, New York, NY 10016-5990

Copyright © 2014 by

THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS

All rights reserved Printed in U.S.A.

CONTENTS

iii

SAFETY STANDARD FOR CABLEWAYS, CRANES, DERRICKS, HOISTS, HOOKS, JACKS, AND SLINGS

(14) B30 STANDARD INTRODUCTION

SECTION I: SCOPE

The ASME B30 Standard contains provisions that apply to the construction, installation, operation, inspec- tion, testing, maintenance, and use of cranes and other lifting and material-movement related equipment. For the convenience of the reader, the Standard has been divided into separate volumes. Each volume has been

B30.23 Personnel Lifting Systems B30.24 Container Cranes

B30.25 Scrap and Material Handlers B30.26 Rigging Hardware

B30.27 Material Placement Systems B30.28 Balance Lifting Units

B30.29 Self-Erecting Tower Cranes

1

written under the direction of the ASME B30 Standard Committee and has successfully completed a consensus approval process under the general auspices of the American National Standards Institute (ANSI).

As of the date of issuance of this Volume, the B30 Standard comprises the following volumes:

B30.1 Jacks, Industrial Rollers, Air Casters, and Hydraulic Gantries

B30.2 Overhead and Gantry Cranes (Top Running Bridge, Single or Multiple Girder, Top Running Trolley Hoist)

B30.3 Tower Cranes

B30.4 Portal and Pedestal Cranes B30.5 Mobile and Locomotive Cranes B30.6 Derricks

B30.7 Winches

B30.8 Floating Cranes and Floating Derricks B30.9 Slings

B30.10 Hooks

B30.11 Monorails and Underhung Cranes

B30.12 Handling Loads Suspended From Rotorcraft B30.13 Storage/Retrieval (S/R) Machines and

Associated Equipment B30.14 Side Boom Tractors B30.15 Mobile Hydraulic Cranes

(withdrawn 1982 — requirements found in latest revision of B30.5)

B30.16 Overhead Hoists (Underhung)

B30.17 Overhead and Gantry Cranes (Top Running Bridge, Single Girder, Underhung Hoist)

B30.18 Stacker Cranes (Top or Under Running Bridge, Multiple Girder With Top or Under Running Trolley Hoist)

B30.19 Cableways

B30.20 Below-the-Hook Lifting Devices B30.21 Lever Hoists

B30.22 Articulating Boom Cranes

B30.30 Ropes

SECTION II: SCOPE EXCLUSIONS

Any exclusion of, or limitations applicable to the equipment, requirements, recommendations, or opera- tions contained in this Standard are established in the affected volume’s scope.

SECTION III: PURPOSE

The B30 Standard is intended to

1. prevent or minimize injury to workers, and other- wise provide for the protection of life, limb, and property by prescribing safety requirements

2. provide direction to manufacturers, owners, employers, users, and others concerned with, or respon- sible for, its application

3. guide governments and other regulatory bodies in the development, promulgation, and enforcement of appropriate safety directives

SECTION IV: USE BY REGULATORY AGENCIES

These volumes may be adopted in whole or in part for governmental or regulatory use. If adopted for gov- ernmental use, the references to other national codes and standards in the specific volumes may be changed to refer to the corresponding regulations of the govern- mental authorities.

SECTION V: EFFECTIVE DATE

(a) Effective Date. The effective date of this Volume of the B30 Standard shall be 1 yr after its date of issuance.

1 This volume is currently in the development process.

viii