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GB/T 17383: Historical versions
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| GB/T 17383-2025 | English | 214 |
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Ships and marine technology - Dredgers - Classification
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| GB/T 17383-2007 | English | 114 |
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Ships and marine technology -- Dredgers -- Classification
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| GB/T 17383-1998 | English | 239 |
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Shipbuilding and marine structures--Dredgers--Classification
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Basic data
| Standard ID | GB/T 17383-2025 (GB/T17383-2025) |
| Description (Translated English) | Ships and marine technology - Dredgers - Classification |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | U04 |
| Classification of International Standard | 47.020.01 |
| Word Count Estimation | 10,140 |
| Date of Issue | 2025-10-05 |
| Date of Implementation | 2026-05-01 |
| Older Standard (superseded by this standard) | GB/T 17383-2007 |
| Issuing agency(ies) | State Administration for Market Regulation and Standardization Administration of China |
GB/T 17383-2025: Ships and marine technology - Dredgers - Classification
---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 47.020.01
CCSU04
National Standards of the People's Republic of China
Replaces GB/T 17383-2007
Classification of Ships and Offshore Dredgers
(ISO 8385.2018, IDT)
Published on 2025-10-05
Implemented on May 1, 2026
State Administration for Market Regulation
The State Administration for Standardization issued a statement.
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents".
Drafting.
This document supersedes GB/T 17383-2007 "Classification of Shipbuilding and Offshore Structure Dredgers" and is consistent with GB/T 17383-2007.
Aside from structural adjustments and editorial changes, the main technical changes are as follows.
a) Change the “Classification Criteria” to “Classification by Engineering Conditions”, “Classification by Dredger Parameters”, and “Classification by Operating Method” (see Table 1 and Table 2).
(and Table 3, Table 1 of the.2007 edition);
b) Added "Main Performance Parameters" and "Energy" (see 3 and 5 in Table 1);
c) Added "partially detachable" (see 7.2 in Table 2);
d) The terms "steam engine," "gas turbine," and "nuclear power" (items 3.1, 3.7, and 3.8 in Table 1 of the.2007 edition) have been deleted;
e) Change "fine silt" to "fine sand" (see 2.9 in Table 1);
f) Change "diesel-electric drive" to "diesel-electric" (see 4.3 in Table 2, 3.3 in Table 1 of the.2007 edition);
g) Change "diesel-hydraulic drive" to "diesel-hydraulic" (see 4.4 in Table 2, and 3.4 in Table 1 of the.2007 edition);
h) Change "non-self-propelled" to "non-self-propelled" (see 6.1 in Table 2, 4.1 in Table 1 of the.2007 edition);
i) Change "self-propelled" to "self-propelled type" (see 6.2 in Table 2, 4.2 in Table 1 of the.2007 edition);
j) Change "crewless cabins" to "no overnight cabins" (see 8.1 in Table 2, 6.1 in Table 1 of the.2007 edition);
k) Change "seat cabin" to "work cabin" (see 8.2 in Table 2, 6.2 in Table 1 of the.2007 edition);
l) Change "sleeper cabin" to "with overnight cabin" (see 8.3 in Table 2, 6.3 in Table 1 of the.2007 edition);
m) Change "locating stake" to "stake" (see 12.3 in Table 3, 9.3 in Table 1 of the.2007 edition);
n) The term "single-bucket dredger" was changed to "single-bucket dredger," and the classification was modified (see 9.1 in Table 3, and Table 1 in the.2007 edition).
10.1);
o) The classification of "grab bucket dredgers" has been changed (see 9.2 in Table 3, and 10.2 in Table 1 of the.2007 edition);
p) Change "chain bucket dredger" to "bucket dredger" (see 9.3 in Table 3, 10.3 in Table 1 of the.2007 edition);
q) Change "riverbed leveler" to "seabed leveler" (see 9.5 in Table 3, 10.5 in Table 1 of the.2007 edition);
r) Added "water jet dredger" (see 9.6 in Table 3);
s) Change "Dredging Pump Type" to "Mud Pump Type" and modify the classification (see 9.7.1 in Table 3, Table 1 in the.2007 edition).
10.7.1);
t) Change "Disposal/Transportation of Excavated Material" to "Disposal/Transportation of Dredged Material" and modify the classification (see Table 3, 13,.2007).
Table 1 (11) of the version.
This document adopts ISO 8385.2018 "Classification of ships and offshore dredgers".
Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents.
This document was proposed and is under the jurisdiction of the National Technical Committee on Standardization of Marine Ships (SAC/TC12).
This document was drafted by. China State Shipbuilding Corporation Limited Comprehensive Technology and Economic Research Institute, and Shanghai Ship and Transportation Research Institute Co., Ltd.
Company, COSCO Shipping Heavy Industry Co., Ltd.
The main drafters of this document are. Cheng Nan, Liu Wei, Zhao Zhigao, Zhang Kaijie, and Sun Yingshui.
This document was first published in.1998, revised for the first time in.2007, and this is the second revision.
Classification of Ships and Offshore Dredgers
1 Scope
This document defines the classification of various types of dredgers designed for loosening, excavating, transporting, and disposing of dredged materials.
2 Normative references
The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included.
For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies.
This document.
Note. GB/T 17843-2025 Terminology for Ships and Offshore Dredgers (ISO 8384.2019, IDT)
3 Terms and Definitions
The terms and definitions defined in ISO 8384 apply to this document.
4.Classification
Dredgers are classified according to the engineering conditions, dredger parameters, and operating methods specified in Tables 1, 2, and 3.
Table 1 Classification by Engineering Conditions
Classification of Engineering Conditions
1 Work Area
1.1 Inland waterways, inland ports and dredging sites
1.2 Sea Area
1.2.1 Ports and coastal areas
1.2.2 Offshore
1.2.3 Deep Sea
1.3 Special Environment
1.3.1 Tropical
1.3.2 Frigid Zones
1.3.3 Other Special Environments
2 Soil characteristics
2.1 Silt
2.2 Peat soil and organic soil
2.3 Sandy soil
2.4 Gravel
2.5 Clay
2.6 Boulders and Pebbles
2.7 Rocks
2.8 Mixed Soil
...
