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GB 16993-2021: Safety regulations for avoid working under hazardous condition of oxygen deficiency in enclosed spaces aboard ships
Status: Valid GB 16993: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB 16993-2021 | English | 259 |
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Safety regulations for avoid working under hazardous condition of oxygen deficiency in enclosed spaces aboard ships
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GB 16993-2021
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| GB 16993-1997 | English | 359 |
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3 days [Need to translate]
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Safety regulations for working under hazardous condition of the oxygen deficiency in the cargo holds and closed compartments of ships
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GB 16993-1997
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PDF similar to GB 16993-2021
Basic data | Standard ID | GB 16993-2021 (GB16993-2021) | | Description (Translated English) | Safety regulations for avoid working under hazardous condition of oxygen deficiency in enclosed spaces aboard ships | | Sector / Industry | National Standard | | Classification of Chinese Standard | R09 | | Word Count Estimation | 14,172 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB 16993-2021: Safety regulations for avoid working under hazardous condition of oxygen deficiency in enclosed spaces aboard ships
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Safety regulations for avoid working under hazardous condition of oxygen deficiency in enclosed spaces aboard ships
ICS 03.220.40
R09
National Standards of People's Republic of China
Replace GB 16993-1997
Safety Regulations for Preventing Hazardous Operation of Oxygen in Enclosed Spaces of Ships
Released on 2021-04-30
2021-11-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Foreword Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Basic requirements 2
5 Preventive management and safety protection measures 3
6 Responding to first aid and drill requirements 5
Appendix A (informative appendix) The main types of non-dangerous goods that are likely to cause hypoxia risk 6
Appendix B (Informative Appendix) Sample of Ship Enclosed Space Entry Operation Permit 7
Reference 10
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB 16993-1997 "Safety Regulations for Preventing Hazardous Operation of Ship Cargo Holds and Enclosed Tanks Due to Hypoxia", and is compatible with GB 16993-1997.
Compared with.1997, in addition to editorial changes, the main technical changes are as follows.
---Modified the definition of hypoxia (see 3.1, 3.1 in the.1997 edition);
---Added the terms and definitions of hypoxic dangerous operations, general hypoxic dangerous operations, special hypoxic dangerous operations and enclosed spaces of ships
(See 3.3~3.6);
---Modified the air quality requirements (see 4.1, 4.1 in the.1997 edition);
---Revised personnel capabilities and training requirements (see 4.2, 4.7 of the.1997 edition);
---Added safety procedures (see 4.3);
---Modified the basic requirements for safety protection equipment and supplies (see 4.4, 4.4 in the.1997 edition);
---Added requirements for risk assessment, safety disclosure, entry permit and end of operation (see 5.1, 5.2, 5.6 and 5.9);
---Modified the requirements for ventilation and air testing before operation (see 5.3 and 5.4, and 4.2 and 4.3 of the.1997 edition);
---Added the requirement to increase the frequency of air testing when piping and valve operations are performed (see 5.7.6);
---Added the requirements for emergency assistance and drills (see Chapter 6);
--- Deleted the main manifestations of acute hypoxia (see Appendix A of the.1997 edition);
---Modified the main types of non-dangerous goods that are likely to cause hypoxia risks (see Appendix A, Appendix B of the.1997 edition);
---Added the sample of the ship's enclosed space entry operation permit (see Appendix B);
---Deleted the procedure of on-site manual cardiopulmonary resuscitation (see Appendix C of the.1997 edition).
This standard was proposed and managed by the Ministry of Transport of the People's Republic of China.
The previous versions of the standard replaced by this standard are as follows.
---GB 16993-1997.
Safety Regulations for Preventing Hazardous Operation of Oxygen in Enclosed Spaces of Ships
1 Scope
This standard specifies the safety procedures and measures for operators and other relevant personnel to enter the enclosed space of the ship to prevent dangerous operations of hypoxia.
Including basic requirements, preventive management and safety protection measures, emergency assistance and drill requirements.
This standard is applicable to the operations of ships entering enclosed spaces in the course of navigation, berthing and operations.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document.
GB 8958 Safety Regulations for Hypoxic Dangerous Work
GB/T 12301 Detection method for harmful gases produced by non-dangerous cargo in ships
GBZ 2.1 Occupational Exposure Limits for Hazardous Factors in the Workplace Part 1.Chemical Hazardous Factors
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Hypoxia oxygendeficiency
The state where the oxygen concentration (by volume ratio) in the air in the workplace is lower than 19.5%.
Note. Rewrite GB 8958-2006, definition 3.1.
3.2
Hypoxia symptomofoxygendeficiency
Symptoms caused by inhalation of oxygen-deficient air.
3.3
Hazardous workinoxygendeficiencyatmosphere
Various operations with potential and obvious hypoxic conditions mainly include general hypoxic dangerous operations and special hypoxic dangerous operations.
[GB 8958-2006, definition 3.2]
3.4
General hazardous workinoxygendeficiencyatmosphere
Simple hypoxic dangerous work in the workplace.
[GB 8958-2006, definition 3.3]
3.5
Toxichazardousworkinoxygendeficiencyatmosphere
In the workplace, there are also or may produce other toxic, harmful, and flammable gases in the oxygen-deficient dangerous operation.
Note. Rewrite GB 8958-2006, definition 3.4.
3.6
Ship enclosed spaces enclosedspacesaboardships
Ship spaces that meet one of the following conditions.
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