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GB/T 42687-2023: Ships and marine technology - Marine cranes - Noise limits and measuring method
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 42687-2023 | English | 224 |
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Ships and marine technology - Marine cranes - Noise limits and measuring method
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GB/T 42687-2023
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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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