ISO 21125:2019

Ships and marine technology — Marine cranes — Manufacturing requirements

This document specifies the general technical manufacturing requirements for marine cranes of metal construction. This document is applicable to the following types of marine cranes: — deck cranes mounted on ships for handling cargo or containers in harbour conditions; — floating cranes or grab cranes mounted on barges or pontoons for operating in harbour conditions; — engine room cranes and provision cranes, etc. mounted on ships (including floating docks) for handling equipment and stores in harbour conditions. NOTE Marine cranes in other types of crane can refer to this document. This document does not apply to cranes manufactured to operate in: — ambient operating temperatures below −20 °C; — ambient operating temperatures above +45 °C; — lifting operations below sea level; — lifting operations involving more than one crane; — emergency rescue operations; — shore-side cargo handling cranes; — lifting lifeboats, liferafts accommodation ladders, pilot ladders, gangways and their handling appliances; — launching appliances for survival craft and rescue boats.

Navires et technologie maritime — Grues marines — Exigences de fabrication

General Information

• Status: Published
• Publication Date: 04-Jun-2019
• ICS: 47.020.40 - Lifting and cargo handling equipment
• Technical Committee: ISO/TC 8/SC 4 - Outfitting and deck machinery
• Drafting Committee: ISO/TC 8/SC 4 - Outfitting and deck machinery
• Current Stage: 9020 - International Standard under periodical review
• Start Date: 15-Apr-2024
• Completion Date: 15-Apr-2024

Standards Content (Sample)

INTERNATIONAL ISO
STANDARD 21125
First edition
2019-06
Ships and marine technology —
Marine cranes — Manufacturing
requirements
Navires et technologie maritime — Grues marines — Exigences de
fabrication
Reference number
ISO 21125:2019(E)
©
ISO 2019

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ISO 21125:2019(E)

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© ISO 2019
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ii © ISO 2019 – All rights reserved

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ISO 21125:2019(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 General requirements . 2
5 Fabrication standard . 2
5.1 Materials . 2
5.2 Welded connection of steel plates . 2
5.3 Machinery processing . 4
5.4 Anticorrosion and oil seal . 5
6 Mechanical, hydraulic and electrical assembly . 5
6.1 Field requirements . 5
6.2 Mechanical assembly . 5
6.3 Hydraulic assembly . 6
6.4 Installation of electrical system. 6
6.4.1 General requirements . 6
6.4.2 Cable lay . 6
6.5 Other installations . 6
6.6 Shipboard installation . 7
7 Lubricating, oil sealing and coating .
...