GB 12327-2022 English PDFGB 12327: Historical versions
Basic dataStandard ID: GB 12327-2022 (GB12327-2022)Description (Translated English): Specifications for hydrographic survey Sector / Industry: National Standard Classification of Chinese Standard: A76 Word Count Estimation: 126,181 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB 12327-2022: Specifications for hydrographic survey---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.Specifications for hydrographic survey ICS 07.040 CCSA76 National Standards of People's Republic of China Replacing GB 12327-1998 Hydrographic Code Published on 2022-07-13 2023-02-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Foreword V 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 General 3 4.1 Basic content 3 4.2 Coordinate system and datum 3 4.3 Projection, framing requirements and standard map 3 4.4 Measurement grades and scales 4 4.5 Basic technical requirements5 5 Technical Design 6 5.1 General requirements 6 5.2 Project Design 6 5.3 Professional Design 6 5.4 Drafting of technical design documents 7 6 Plane Control Measurements 8 6.1 General requirements8 6.2 Picking point 10 6.3 Buried stones 11 6.4 Observations 11 6.5 Data processing 14 7 Elevation Control Survey 16 7.1 General requirements 16 7.2 Leveling 17 7.3 Triangulation Elevation 18 7.4 Transoceanic Elevation Transfer 20 7.5 Data calculation and finishing 20 8 GNSS Controlled Surveys 22 8.1 GNSS surveys of class E (inclusive) and above 22 8.2 GNSS survey requirements for sea control points and survey points 22 9 Water level control 25 9.1 General requirements 25 9.2 Establishment of tide gauge stations 25 9.3 Baseline measurement and water level observation at tide stations 26 9.4 Processing of water level observation data 27 9.5 Datum Determination 28 9.6 Water level correction 29 9.7 Documentation 29 10 Bathymetry 29 10.1 General requirements 29 10.2 Preparation on the drawing 31 10.3 Positioning 31 10.4 Depth measurement 32 10.5 Bathymetry data processing 41 10.6 Compilation of Bathymetry 44 10.7 Bathymetry Quality Check 47 11 Sweeping Sea Survey 48 11.1 General requirements 48 11.2 Side-scan sonar sweeping the sea 48 11.3 3D Imaging Sonar Sweeping the Sea 50 11.4 Synthetic aperture sonar sweeping the sea 50 11.5 Soft (hard) sea sweeper 51 11.6 Ocean magnetometer sweeps the sea 52 11.7 Multi-beam echo sounder sweeping the sea 52 12 Hydrological observations 52 12.1 Thermosalt Determination 52 12.2 Current testing 52 13 Substrate detection 54 13.1 General requirements 54 13.2 Surface sampling 55 13.3 Shallow strata profiling 55 13.4 Contents of measurement results 56 14 Coastal Topographic Survey 56 14.1 General requirements 56 14.2 Instrument Setup and Inspection 57 14.3 Station measurement 58 14.4 Fragment measurement 58 14.5 Shoreline Determination 59 14.6 Dry Beach Measurement 60 14.7 Coastal Topographic Survey 61 14.8 Drawing Edge Mapping and Joining 62 14.9 Data Finishing 63 15 Technical summary, inspection and acceptance and submission of materials 64 15.1 Technical Summary 64 15.2 Inspection and acceptance 65 15.3 Data submission 66 Appendix A (Informative) GNSS Observation Record Format 68 Appendix B (normative) Buried Stone 70 Appendix C (normative) Determination of Meteorological Elements 72 Appendix D (Informative) Calculation of Ranging Correction 73 Appendix E (Informative) Item 75 Appendix F (Informative) Classification and Basic Technical Parameters of Level Series 77 Appendix G (Informative) Two-Difference Correction Coefficient and Height Difference Calculation 78 Appendix H (normative) Setting method of water gauge at tide gauge station 80 Appendix I (Informative) Least Squares Tide Harmonic Analysis 81 Appendix J (Informative) Depth Datum Determination Method 85 Appendix K (Informative) Basic Methods for Determining Mean Sea Level at Short-Term and Temporary Tide Gauge Stations89 Appendix L (Informative) Method for Determining the Effective Control Range of Tide Gauge Stations 90 Appendix M (informative) Basic method of water level correction 92 Appendix N (Informative) Format and Filling Contents of Tide Gauge Station Experience Book and Verification Book 97 Appendix O (Informative) Determination of Ship Dynamic Draft 100 Appendix P (Informative) Single Beam Instrument Difference Determination 102 Appendix Q (Informative) Sound Velocity and Sound Velocity Correction Calculation 103 Appendix R (Informative) Navigation Obstacle Detection List 106 Appendix S (Informative) Sounding Data Arrangement 107 Appendix T (Informative) Recording of Single Beam Echo Sounder Recording Paper and Drawing of Water Level Curve 108 Appendix U (Normative) Bathymetry Sheet Finishing Format 111 Appendix V (Informative) Calculation of the Width of the Sweeping Pass 112 Appendix W (Informative) Calculation of Effective Detection Width of Magnetometer 114 Appendix X (normative) Substrate Classification Standard Table 115 Appendix Y (normative) Topographic Map Sheet Finishing Format 116 Appendix Z (Informative) Field Mosaic Edge Inspection 117 References 118 forewordThis 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 replaces GB 12327-1998 "Code for Hydrographic Surveying". Compared with GB 12327-1998, except for structural adjustments and editorial changes In addition, the main technical changes are as follows. a) The scope of application of this document has been changed (see Chapter 1, Chapter 1 of the.1998 edition); b) a chapter on Terms and Definitions was added (see Chapter 3); c) Added the classification of bathymetry grades, divided the bathymetry into five grades from the first to the fifth grade, and specified the corresponding seabed cover Cover requirements and detection obstacle size requirements (see 4.4.2); d) The technical requirements for triangulation are deleted (see 5.2.5.4.1 of the.1998 edition); e) Deleted circle---circle positioning, hyperbola positioning, etc. [see 6.2.1.1 c) d), 6.2.4, 6.2.5, Appendix M of the.1998 edition]; f) The technical requirements for manual work have been deleted (see 6.9.2 and 6.9.6 of the.1998 edition); g) Deleted the contents of analog water level correction and outdated instruments and equipment (see 6.9.4.4 and 5.2.4.1 of the.1998 edition); h) Added the technical requirements for GNSS control measurement (see Chapter 8); i) Changed the contents of water level control, sweeping survey, hydrological observation, sediment detection, etc. (see Chapter 9, Chapter 11, Chapter 12, Chapter 13, Chapter 6 of the.1998 edition); j) Added the technical requirements for depth measurement without tide (see 9.3.1, 10.1.3, 10.4.6.6, 10.4.7, 10.5.2.2); k) Added technical requirements for airborne laser sounding (see 10.1.1, 10.1.6, 10.4.1.3, 10.4.2.4, 10.4.3.7, 10.4.3.8, 10.5.4); l) Changed the requirements for the over-limit ratio of the main inspection of the bathymetric survey (see 10.1.9, 6.3.6.7 of the.1998 edition); m) Added technical requirements for sound velocity profile measurement (see 10.4.5.2, 10.4.5.3, 10.4.5.4, 10.4.5.5); n) Added a new sweeping measurement technique method (see 11.3, 11.4, 11.6, 11.7); o) Deleted the technical requirements for bid creation (see Appendix A1 of the.1998 edition); p) Changed the trimming format of bathymetric map sheets and topographic map sheets (see Appendix U, Appendix Y, Appendix Q and Appendix T of the.1998 edition); q) Added appendices I, K, J, M, N, R, W, and adjusted the contents of other appendices. 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 Naval Staff of the Chinese People's Liberation Army. The previous versions of this document and its superseded documents are as follows. --- First published in.1990 as GB 12327-1990, first revised in.1998; ---This is the second revision. Hydrographic Code1 ScopeThis document specifies the basic content, measurement methods, accuracy indicators and technical requirements of hydrographic surveying, and describes the corresponding inspection, comparison and evaluation. estimation method. This document is applicable to hydrographic surveys of various scales in my country.2 Normative referencesThe contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB 12319 Chinese nautical charts GB/T 12898-2009 National third and fourth level leveling standards GB/T 17942-2000 National triangulation specification GB/T 18314-2009 Global Positioning System (GPS) Measurement Specification GB/T 20257.1-2017 National Basic Scale Map Schema Part 1.1.500 1.1000 1.2000 Topography diagram schema GB/T 20257.2-2017 National Basic Scale Map Schema Part 2.1.5000 1.10000 Topographic Map Schema GB/T 20257.3-2017 National Basic Scale Map Schema Part 3.1.25000 1.50000 1.100000 topographic map3 Terms and DefinitionsThe following terms and definitions apply to this document. 3.1 hydrographicsurvey With the main purpose of ensuring the safety of navigation, in order to obtain information on the seabed topography, landform, sediment, navigation aids and navigation obstacles, etc. including inland waters) and coastal features. It mainly includes control survey, bathymetry survey, coastal topographic survey, etc. [Source. GB/T 39619-2020, 2.1, with modifications] 3.2 bathymetry sounding Measurement techniques and methods for determining the vertical distance from a point on the water surface to the bottom and the plane position of the point. [Source. GB/T 39619-2020, 2.6] 3.3 sweeping survey sweepingsurvey A measurement of ground-like detection of a specific sea area to find out if there are navigational obstacles in that area or to determine navigable water depths. [Source. GB/T 39619-2020, 2.15, with modifications] ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB 12327-2022_English be delivered?Answer: Upon your order, we will start to translate GB 12327-2022_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 12327-2022_English with my colleagues?Answer: Yes. The purchased PDF of GB 12327-2022_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+ countriesQuestion 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.Question 5: Should I purchase the latest version GB 12327-2022?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB 12327-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
