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GB/T 42290-2022 English PDF

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US$379.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42290-2022: Analysis and control specifications for airborne radioactive source term of pressurized water reactor nuclear power plant
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42290-2022	379	Add to Cart	4 days	Analysis and control specifications for airborne radioactive source term of pressurized water reactor nuclear power plant	Valid

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Basic data

Standard ID: GB/T 42290-2022 (GB/T42290-2022)
Description (Translated English): Analysis and control specifications for airborne radioactive source term of pressurized water reactor nuclear power plant
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F74
Classification of International Standard: 17.240
Word Count Estimation: 18,139
Date of Issue: 2022-12-30
Date of Implementation: 2023-07-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42290-2022: Analysis and control specifications for airborne radioactive source term of pressurized water reactor nuclear power plant

---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.
ICS 17.240 CCSF74 National Standards of People's Republic of China Analysis and analysis of airborne radioactive source term in pressurized water reactor nuclear power plant control specification Posted on 2022-12-30 2023-07-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General 1 5 Airborne radioactive source item analysis method 2 6 Important parameters of airborne radioactive source analysis 2 7 Airborne Radiation Control Requirements 3 8 Airborne Radiation Control Measures 4 Appendix A (informative) Leakage and evaporation rates corresponding to leakage sources and evaporation sources in the plant 6 Appendix B (informative) Gas-phase partition factor 7 Appendix C (Informative) Radiation Partition Design Features 8 Appendix D (Informative) Airborne Radioactive Routine Monitoring Points 9 Appendix E (informative) Requirements and measures for airborne radioactivity control and radiation protection in case of fuel element damage10 Appendix F (Informative) Typical Airborne Radioactive Contamination Identification and Management System of PWR Nuclear Power Plant 12 Appendix G (Informative) Use and Management of Negative Pressure Shed (SAS) in Typical PWR Nuclear Power Plant 13 Reference 14

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 for Standardization Documents" drafting. Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Nuclear Energy Standardization Technical Committee (SAC/TC58). This document is drafted by. China Nuclear Power Engineering Co., Ltd., CNNC Nuclear Power Operation Management Co., Ltd., Fujian Fuqing Nuclear Power Co., Ltd., China General Nuclear Engineering Co., Ltd. The main drafters of this document. Mao Yawei, Mi Aijun, You Wei, Xu Ya, Zhang Puzhong, Wang Bingheng, Wang Xiaoxia, Gao Guiling, Zeng Jinzhong, Ni Wei, Guo Xing, Du Rui, Pan Yuelong, Xiong Jun. Analysis and analysis of airborne radioactive source term in pressurized water reactor nuclear power plant control specification

1 Scope

This document specifies the analysis method for the airborne radioactive source item in the building of a pressurized water reactor nuclear power plant, the selection principles of important parameters, and the airborne radioactive source item. Sexual control requirements. This document is applicable to the analysis and control of airborne radioactive source items in the building of the pressurized water reactor nuclear power plant. Other types of nuclear power plants can refer to Test implementation.

2 Normative references

This document has no normative references.

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Items of radioactive sources carried by air or other gaseous media. Note. Usually a general term for radioactive aerosols, radioactive gases and vapors. 3.2 Free space volume freevolume The volume corresponding to the space that gas can freely reach in the building of a nuclear facility. 3.3 The ratio of the ventilation flow rate of the ventilation system in the nuclear facility building to the free space volume of the building. 3.4 Leakage rate leakagerate The leakage of radioactive liquid or gas in the system or equipment per unit time. 3.5 Evaporation rate evaporation rate Evaporation of radioactive liquid in the system or equipment per unit time. 3.6 When the gas and liquid are in equilibrium, the ratio of the amount of a certain nuclide in the gas phase to the total amount in the gas and liquid phases.

4 general rules

4.1 During the design and operation stages of the PWR nuclear power plant, the airborne radioactivity level in the building should be evaluated to analyze the possible exposure of the workers. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42290-2022_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42290-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 42290-2022_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42290-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.