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GB/T 39617-2020: Ships and marine technology - Single point mooring arrangements for tankers
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 39617-2020 | English | 209 |
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Ships and marine technology - Single point mooring arrangements for tankers
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GB/T 39617-2020
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Standard similar to GB/T 39617-2020 GB/T 45488 GB/T 45485 Basic data | Standard ID | GB/T 39617-2020 (GB/T39617-2020) | | Description (Translated English) | Ships and marine technology - Single point mooring arrangements for tankers | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U26 | | Classification of International Standard | 47.020.10 | | Word Count Estimation | 11,191 | | Date of Issue | 2020-12-14 | | Date of Implementation | 2021-07-01 | | Quoted Standard | GB/T 6402-2008 | | Adopted Standard | ISO 17907-2014, MOD | | Regulation (derived from) | National Standard Announcement No. 28 of 2020 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the technical requirements and test methods for equipment such as side chain stoppers, side fairleads, and fairlead rollers that should be equipped on oil tankers that intend to use single-point mooring equipment. This standard applies to the design, manufacture and acceptance of single-point mooring equipment for oil tankers. | GB/T 39617-2020: Ships and marine technology - Single point mooring arrangements for tankers---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 offshore technology Single point mooring equipment for oil tankers)
ICS 47:020:10
U26
National Standards of People's Republic of China
Single point mooring equipment for ships and offshore technical tankers
(ISO 17907:2014, Shipsandmarinetechnology-Singlepointmooring
2020-12-14 release
2021-07-01 implementation
State Administration for Market Regulation
Issued by the National Standardization Management Committee
Foreword
This standard was drafted in accordance with the rules given in GB/T 1:1-2009:
This standard uses the redrafting method to modify and adopt ISO 17907:2014 "Single Point Mooring Equipment for Traditional Oil Tankers in Ships and Offshore Technology":
Compared with ISO 17907:2014, the structural changes of this standard are as follows:
--- Add Chapter 2 "Normative Reference Documents";
--- Take the requirements of items "2" and "4" in the "Explanation" of Figure 2 as the content of "3:1:2 Layout Requirements":
The technical differences between this standard and ISO 17907:2014 and the reasons are as follows:
--- In the scope of Chapter 1, "This standard applies to single-point mooring equipment used by oil tankers, gas carriers and chemical tankers" is revised to "this
The standard is applicable to the design, manufacture and acceptance of single-point mooring equipment for oil tankers", the expression is more specific and accurate;
--- Regarding normative reference documents, this standard has made adjustments with technical differences to adapt to my country's technical conditions and adjustments:
The situation is collectively reflected in Chapter 2 "Normative Reference Documents", specifically for adding GB/T 6402-2008 (see Chapter
Chapter 4):
---In 3:2:1e), 3:2:2e), 3:2:3d) added "The yield strength (σs) of the material should not be less than 235N/mm2"
The main performance parameters of the material;
--- In 3:2:1g) delete "when bolts are used to connect to the foundation, an effective thrust block should be added to reduce the shear force", the thrust block is not
Required
--- Amend "according to the requirements for secondary forgings" in 4:1:1:2 to "according to the quality level 2 in Table 4 and Table 5 of Chapter 14 of GB/T 6402-2008
Requirements for forgings", normative references to clarify the basis for material requirements;
--- Modify the "continuous loading for 1 min" in 4:1:2, 4:2:2, and 4:3:2 to "continuous loading for 5 minutes", which is more scientific and reasonable:
This standard has made the following editorial changes:
---Change the standard name in order to be consistent with the existing standard series, and change to "Single point mooring for ships and offshore technical tankers
equipment";
---Delete the informative summary elements in the international standards:
This standard was proposed and managed by the National Marine Outfitting Standardization Technical Committee (SAC/TC129):
This standard was drafted by: China Shipbuilding Industry Materials East China Co:, Ltd:
The main drafters of this standard: Fang Jun, Deng Yu:
Single point mooring equipment for ships and offshore technical tankers
1 Scope
This standard specifies that oil tankers that intend to use single-point mooring equipment should be equipped with equipment, such as bow chain stoppers, bow fairleads, and fairlead rollers:
Technical requirements and test methods:
This standard is applicable to the design, manufacture and acceptance of single-point mooring equipment for oil tankers:
2 Normative references
The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article
Pieces: For undated references, the latest version (including all amendments) applies to this document:
GB/T 6402-2008 Ultrasonic testing method for steel forgings
3 Technical requirements
3:1 Design and layout of single point mooring equipment for oil tankers
3:1:1 The general design layout is shown in Figure 1 and Figure 2:
Description:
1---The center line of the anti-scratch chain is parallel to the deck;
2---Fore chain stopper;
3---The bow fairlead;
4---to the fairlead roller or directly to the winch storage drum;
5---Half width of anti-wiping chain:
Figure 1 General arrangement of single point mooring equipment for oil tankers
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