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GB/T 42687-2023 English PDF

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US$224.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42687-2023: Ships and marine technology - Marine cranes - Noise limits and measuring method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42687-2023	224	Add to Cart	3 days	Ships and marine technology - Marine cranes - Noise limits and measuring method	Valid

Similar standards

GB/T 37452 CB/T 4197 GB/T 11865 GB/T 42688 GB/T 42686

Basic data

Standard ID: GB/T 42687-2023 (GB/T42687-2023)
Description (Translated English): Ships and marine technology - Marine cranes - Noise limits and measuring method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: U47
Classification of International Standard: 47.020.50
Word Count Estimation: 12,185
Date of Issue: 2023-05-23
Date of Implementation: 2023-12-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42687-2023: Ships and marine technology - Marine cranes - Noise limits and measuring method

---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.
ICS47:020:50 CCSU47 National Standards of People's Republic of China GB/T 42687-2023/ISO 21131:2019 Marine and Offshore TechnologyMarine Cranes Noise requirements and measurement methods (ISO 21131:2019, IDT) Released on 2023-05-23 2023-12-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee

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: This document is equivalent to ISO 21131:2019 "Noise Requirements and Measurement Methods for Marine Cranes Used in Ships and Marine Technology": 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 Marine Machinery Standardization Technical Committee (SAC/TC137): This document is drafted by: Wuhan Marine Machinery Co:, Ltd:, China Shipbuilding Corporation No: 704 Research Institute, Nanjing CSSC Oasis Machine Co:, Ltd: The main drafters of this document: Ye Kai, Lu Zhaopeng, Yang Longxia, Ji Hongbin, Ma Weiliang, Jiang Hui, Hu Fangzhen, Zhang Xiaoqun: Marine and Offshore TechnologyMarine Cranes Noise requirements and measurement methods

1 Scope

This document specifies the noise level limits, noise measurement methods and hearing protection requirements for marine cranes, including oil cylinder luffing hydraulic lifting Machines, wire rope luffing hydraulic cranes and wire rope luffing electric cranes: This document is applicable to the evaluation of the noise level of marine cranes and the protection requirements for operators:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: ISO 3746 Acoustic sound pressure method for the determination of sound power level and sound energy level of noise sources using a simple method of enveloping the measuring surface above the reflecting surface Note: GB/T 3768-2017 Acoustic sound pressure method to measure the sound power level and sound energy level of noise sources adopts the simple method of enveloping the measuring surface above the reflecting surface (ISO 3746:2010, IDT) Note: GB/T 3893-2008 Shipbuilding and Offshore Structures Deck Machinery Terms and Symbols (ISO /FDIS3828:2007, IDT) ISO 4306-1 Crane Terminology Part 1: General terms (Cranes-Vocabulary-Part 1: General) Note: GB/T 6974:1-2008 Crane Terminology Part 1: General Terms (ISO 4306-1:2007, IDT) IEC 61672-1 Electroacoustic sound level meters Part 1: Specifications (Electroacoustics-Soundlevelmeters-Part 1: Specifications) Note: GB/T 3785:1-2010 Electroacoustic Sound Level Meter Part 1: Specifications (IEC 61672-1:2002, IDT)

3 Terms and Definitions

The terms and definitions defined in ISO 3828 and ISO 4306-1 and the following apply to this document: 3:1 operating console The place where the operator operates the crane: 3:2 engine room Located inside the crane structure, where the power unit (3:5) and drive mechanism (3:6) are installed: 3:3 structureexterior The exterior of the crane tower and jib structure: ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42687-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42687-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 42687-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42687-2023_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.