GB/T 41517-2022 English PDF

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GB/T 41517-2022: Ships and marine technology - Ventilation of cargo spaces where vehicles with internal combustion engines are driven - Calculation of theoretical total airflow required
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 41517-2022	264	Add to Cart	3 days	Ships and marine technology - Ventilation of cargo spaces where vehicles with internal combustion engines are driven - Calculation of theoretical total airflow required	Valid

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Basic data

Standard ID: GB/T 41517-2022 (GB/T41517-2022)
Description (Translated English): Ships and marine technology - Ventilation of cargo spaces where vehicles with internal combustion engines are driven - Calculation of theoretical total airflow required
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U13
Word Count Estimation: 14,169
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41517-2022: Ships and marine technology - Ventilation of cargo spaces where vehicles with internal combustion engines are driven - Calculation of theoretical total airflow required

---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.
Ships and marine technology - Ventilation of cargo spaces where vehicles with internal combustion engines are driven - Calculation of theoretical total airflow required ICS 47.020.90 CCSU13 National Standards of People's Republic of China Ships and Offshore Technology Driven Internal Combustion Engine Vehicles Theoretical Calculation of Total Demand for Ventilation Airflow in Cargo Holds required (ISO 9785.2002, IDT) Published on 2022-07-11 2022-11-01 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 Ventilation calculation 1 5 Vehicle pollutants 2 6 Dilution factor 2 Appendix A (normative) Vehicle pollutants in ship cargo hold 4 Appendix B (Informative) Good Ventilation Practice Guidelines 7

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. This document is equivalent to ISO 9785.2002 "General requirements for ventilation airflow in cargo spaces of ships and marine technical vehicles with internal combustion engines. Theoretical Calculation of Quantities. This document adds a chapter "Normative References". 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 National Standardization Technical Committee of Ocean Ships (SAC/TC12). This document is drafted by. China Shipbuilding Industry Research Institute of Comprehensive Technology and Economics, Guangdong Fine Indium Offshore Engineering Co., Ltd., Guangzhou Shipbuilding International Co., Ltd., CSSC Chengxi Shipbuilding Co., Ltd., and the No. 708 Research Institute of China State Shipbuilding Corporation. The main drafters of this document. Sun Yaogang, Chen Kaixin, Yang Jianfeng, Wu Han, Wu Zhenhan, Deng Dahong, Han Yangquan, Tongxin, Xiahou Mingsheng, Cao Haipeng. Ships and Offshore Technology Driven Internal Combustion Engine Vehicles Theoretical Calculation of Total Demand for Ventilation Airflow in Cargo Holds

1 Scope

This document specifies the theoretical calculation method for the ventilation of ships' cargo spaces where vehicles with internal combustion engines can operate, in order to dilute the polluted air to within the allowable occupational exposure limits. Appendix A specifies the average pollutant emissions from internal combustion engine vehicles running in the cargo hold of ships. Appendix B provides guidelines for the implementation of good ventilation in the cargo hold of ships capable of driving internal combustion engine vehicles. Users of this document are reminded that in addition to the requirements of this document, other statutory requirements, regulations and regulations, etc. Users may also refer to the International Maritime Organization (IMO) Maritime Safety Committee (MSC) Circular 729 (MSCCirc.729) "Ro-Ro Cargo Tank Ventilation System Design Guidelines and Operational Recommendations"1). 1) MSCCirc.729 has been replaced by MSC.1/Circ.1515.

2 Normative references

There are no normative references in this document.

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 cargo hold cargospace A cargo space for drivable vehicles on a ship. 3.2 The highest average concentration (time-weighted average or TWA) in the air of a substance that is hazardous to workers' health during a specified period. Note. The occupational exposure limit refers to the long-term exposure limit or the short-term exposure limit determined by the relevant management department. 3.3 workingarea The area where staff work.

4 Ventilation calculation

4.1 Cargo volume The volume of cargo, frames, webs, uprights, pipes, etc. shall not be deducted when calculating the total volume of the cargo hold. If the cargo compartment is padded or insulated, the total volume It should be counted from the inner surface of the gasket or insulation. ......

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