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GB 41847-2022: Technical requirements of lightning protection and earthing in ports
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Technical requirements of lightning protection and earthing in ports
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GB 41847-2022
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Basic data | Standard ID | GB 41847-2022 (GB41847-2022) | | Description (Translated English) | Technical requirements of lightning protection and earthing in ports | | Sector / Industry | National Standard | | Classification of Chinese Standard | R09 | | Word Count Estimation | 17,143 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB 41847-2022: Technical requirements of lightning protection and earthing in ports---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.
Technical requirements of lightning protection and earthing in ports
ICS 03.220.40
CCSR09
National Standards of People's Republic of China
Port lightning protection and grounding technical requirements
Published on 2022-08-31
2023-03-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 General Requirements 2
5 Harbor Tower 4
6 Port outdoor loading and unloading equipment4
7 Oil and gas chemical terminal 5
8 Dedicated storage yard for dangerous goods at the port5
9 Silos 5
10 Lightning protection device 6
Appendix A (Informative) Annual Average Density of Lightning Strikes in Major Ports in China9
Reference 12
foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
drafted.
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed and managed by the Ministry of Transport of the People's Republic of China.
Port lightning protection and grounding technical requirements
1 Scope
This document specifies the general requirements for port lightning protection and grounding, port towers, port outdoor loading and unloading equipment, oil and gas chemical terminals, port hazards
Technical requirements for lightning protection and grounding of special cargo yards and silos, as well as technical requirements for lightning protection devices.
This document is applicable to the construction of lightning protection and grounding of buildings (structures) and equipment and facilities in ports.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB 15599 Lightning Safety Specification for Petroleum and Petroleum Facilities
GB/T 21431-2015 Technical specification for detection of lightning protection devices in buildings
GB/T 21714.3-2015 Lightning Protection Part 3.Physical Damage to Buildings and Danger to Life
GB 50057 Code for Lightning Protection Design of Buildings
GB/T 50064-2014 Design specification for overvoltage protection and insulation coordination of AC electrical installations
GB/T 50065-2011 Grounding design specification for AC electrical installations
GB 50074 Design Specification for Petroleum Depots
GB 50343 Technical Specification for Lightning Protection of Building Electronic Information System
GB 50650 Design code for lightning protection of petrochemical plants
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
A system used to reduce material damage and personal injury caused by lightning strikes on or near buildings (structures)
It is composed of external lightning protection device composed of device, down-conductor and grounding device, and the interval distance of lightning protection equipotential connection.
[Source. GB 50057-2010, 2.0.5, 2.0.6, 2.0.7, with modifications]
3.2
Air-terminationsystem
Component of an external lightning protection device, a metal part used to intercept lightning strikes.
Note. Such as air-termination pins, air-termination nets or air-termination wires.
[Source. GB/T 21714.1-2015, 3.45, with modifications]
3.3
down-conductorsystem
A conductor used to conduct lightning current from the air-termination device to the grounding device.
[Source. GB 50057-2010, 2.0.9]
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