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GB/T 31052.12-2017Lifting appliances—Code of inspection and maintenance—Part 12: Floating cranes (English PDF)

起重机械检查与维护规程第12部分：浮式起重机

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

May 12, 2017

Implementation date

December 1, 2017

Scope

GB/T 31052.12-2017 is the English-translated version of 起重机械检查与维护规程第12部分：浮式起重机.

GB/T 31052.12-2017 sets the basic requirements for inspecting and maintaining floating cranes while they are in use.

After the general requirements, which split the work between the lifting part and the ship part, it deals with the daily, periodic and special inspection of the lifting part, with its maintenance, with the safety precautions for inspection and maintenance, and with the inspection and maintenance of the ship part.

Annexes give the items, methods, contents and requirements for routine, periodic and special inspections, together with forms for the inspection report and maintenance records.

It applies to the floating cranes listed in Annex A of GB/T 31052.1-2014, and cites GB/T 5972 for wire ropes and GB/T 10051.2 and GB/T 10051.3 for forged hooks.

Part 12 of GB/T 31052 was issued on 12 May 2017 and has applied since 1 December 2017.

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Document preview — GB/T 31052.12-2017

National Standard of the People's Republic of China

ICS: 53.020.20
Classification: J 80

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Preface
1 Scope
2 normative reference document
3 Terms and definitions
4 General requirements
5 Inspection of lifting part
6 maintenance of the lifting part
7 Safety precautions for inspection and maintenance
8 Inspection and maintenance requirements for ship parts
Appendix A (normative appendix) Routine inspection and periodic inspection of items, methods, contents and requirements
Appendix B (normative appendices) Special inspection items, methods, contents and requirements
Appendix C (informative) inspection report
Appendix D (informative) Maintenance records
Reference

Foreword

GB/T 31052 "crane inspection and maintenance procedures" is divided into the following 12 parts.

- Part 1. General;

- Part 2. Mobile cranes;

- Part 3. Tower cranes;

- Part 4. boom cranes;

- Part 5. Bridge and gantry cranes;

- Part 6. Cable cranes;

- Part 7. mast cranes;

- Part 8. Railway cranes;

- Part 9. Lifts;

- Part 10. Light and small lifting equipment;

- Part 11. Mechanical parking equipment;

Part 12. Floating cranes.

This part is part 12 of GB/T 31052.

This part is drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This part of GB/T 31052 specifies the basic requirements for inspection and maintenance of floating cranes during use.

This section applies to floating cranes (hereinafter referred to as "cranes") as specified in Appendix A of GB/T 31052.1-2014.

2 Normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this document. For undated references, the latest edition (including all modifications) applies to this document.

GB/T 5972 crane wire rope maintenance, maintenance, inspection and scrapping

Safety code for lifting appliances - Part 1: General principles GB/T 6067.1

GB/T 10051.2 Lifting hooks - Part 2: Technical requirements for forged hooks

GB/T 10051.3 Lifting hooks - Part 3: Inspection of forged hooks

Lifting machinery inspection and maintenance procedures - Part 1: General principles GB/T 31052.1-2014

Statutory Inspection Rules for Ships and Offshore Facilities (China Maritime Bureau 2014)

3 Terms and definitions

The terms and definitions defined in GB/T 31052.1 apply to this document.

4 General requirements

4.1 Inspection and maintenance of cranes The inspection and maintenance of the lifting part and the inspection and maintenance of the ship part.

4.2 Lifting operations The general requirements for inspection and maintenance shall comply with the requirements of Chapter 4 of IEC 61850-7.

5 Check the lifting part of the operation

5.1 Daily inspection

The daily inspection items and inspection requirements shall be determined according to the specific characteristics of each crane and shall not be less than the provisions of Appendix A.

5.2 Periodic inspection

According to the characteristics of the use of the crane to determine the periodic inspection cycle is generally weekly inspection, monthly inspection, quarter inspection and annual inspection.

According to the working level of each crane, working environment and the use of state to determine the regular inspection items, inspection requirements and inspection cycle, and not Shall be less than the provisions of Appendix A.

5.3 Special inspection

5.3.1 The crane shall carry out special inspections in the event of the provisions of 5.3.1 in GB/T 31052.1-2014.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 26474-2026|GB/T 27997-2026|GB/T 47720-2026|GB/T 47722-2026|GB/T 47748-2026|GB/T 19683-2025

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