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Contents Foreword 1 Scope 2 Normative References 3 Terms and definitions 4 Basic regulation 5 Management of underground pipeline 5.1 Content of underground pipeline management 5.2 Underground pipeline planning and design management 5.3 Underground pipeline construction management 5.4 Underground pipeline detection and measurement 6 Unreeling measurement and completion measurement of pipeline 6.1 General regulations 6.2 Unreeling measurement of pipeline 7 Detection of underground pipeline 7.1 General requirements 7.2 Field investigation 7.3 Geophysical method and technologies of underground pipeline detection 7.4 Technical requirements of detection instrument 7.5 Marking settings of ground pipeline point 7.6 Quality inspection of detection work 34 8 Underground pipeline status measurement 8.1 General requirements 8.2 Control survey 8.3 Underground pipeline status measurement 8.4 Digital mapping of underground pipeline 8.5 Measurement result quality inspection 9 Compilation of status drawing of underground pipeline 9.1 General requirements 9.2 The compilation of underground specialty pipe drawing 9.3 Compilation of underground pipeline complex chart 9.4 Compilation of pipeline fractionated gain schematic diagram and cross-section diagram 9.5 The compilation of underground pipeline outcomes table 9.6 Compilation test of underground pipeline drawing 10 Underground pipeline information management system 10.1 General rules 10.2 Overall structure and basic functions of underground pipeline information management system 10.3 Underground pipeline database establishment 10.4 Establishment and maintenance of Underground pipeline information management system 11 The compilation of underground pipeline detection report and outcomes acceptance 11.1 General rules 11.2 Report compilation 11.3 Outcomes acceptance 11.4 Submission of outcomes 12 Safety requirements for pipeline detection work 12.1 General rules 12.2 Safety requirements for pre-operation detection 12.3 Safety requirements for detection work Annex A (Informative) Classification, code, coding and color of underground pipelines and their appurtenances Annex B (Normative) Underground pipelines field investigation project table Annex C (Normative) Underground pipeline exploration record table Annex D (Normative) Underground pipeline detection quality inspection table Annex E (Normative) Underground pipeline outcomes table Annex F (Informative) The basic structure of underground pipeline outcomes database Annex G (Informative) The basic structure of underground pipeline results database Explanation of Wording in this Code
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