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GB 50093-2013 PDF EnglishSearch result: GB 50093-2013_English: PDF (GB50093-2013)
GB50093-2013: PDF in EnglishGB 50093-2013 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA UDC P GB 50093-2013 Code for Construction and Quality Acceptance of Automation Instrumentation Engineering ISSUED ON: JANUARY 28, 2013 IMPLEMENTED ON: SEPTEMBER 1, 2013 Issued by: Ministry of Housing and Urban-Rural Development; General Administration of Quality Supervision, Inspection and Quarantine of P. R. China. Table of Contents 1 General Provisions ... 9 2 Terms ... 10 3 Basic Requirements... 12 3.1 Technical Preparation of Construction ... 12 3.2 Quality Control ... 12 3.3 Division for Acceptance of Construction Quality ... 12 3.4 Inspection Quantity ... 13 3.5 Acceptance Method and Acceptable Quality Level ... 14 4 Inspection and Preservation of Instruments and Materials ... 16 4.1 Inspection and Preservation of Instruments and Materials... 16 4.2 Quality Acceptance ... 16 5 Tap Installation ... 18 5.1 General Requirements ... 18 5.2 Temperature Tap ... 18 5.3 Pressure Tap ... 18 5.4 Flow Tap... 19 5.5 Level Tap ... 20 5.6 Analysis Tap ... 21 5.7 Quality Acceptance ... 21 6 Instrument Installation ... 26 6.1 General Requirements ... 26 6.2 Instrument Panels, Cabinets and Cases ... 27 6.3 Detecting and Measuring Instrument for Temperature ... 28 6.4 Detecting and Measuring Instrument for Pressure ... 29 6.5 Detecting and Measuring Instrument for Flow ... 29 6.6 Detecting and Measuring Instrument for Level ... 31 6.7 Detecting and Measuring Instrument for Mechanical Quantity ... 32 6.8 Detecting and Measuring Instrument for Composition Analysis and Properties of Matter ... 32 6.9 Other Detecting and Measuring Instruments ... 33 6.10 Actuator ... 33 6.11 Control Instrument and Comprehensive Control System ... 34 6.12 Power Supply Device of Instrument ... 34 6.13 Quality Acceptance ... 35 7 Installation of Instrumentation Line ... 42 7.1 General Requirements ... 42 7.2 Fabrication and Installation of Supports ... 43 7.3 Installation of Cable Tray ... 43 7.4 Installation of Cable Conduit ... 44 7.5 Laying of Cable, Electric Wire and Optical Cable ... 45 7.6 Distributing of Instrumentation Line... 47 7.7 Quality Acceptance ... 48 8 Installation of Instrumentation Piping ... 52 8.1 General Requirements ... 52 8.2 Measuring Piping ... 53 8.3 Pneumatic Signal Piping ... 53 8.4 Air Piping ... 54 8.5 Hydraulic Piping ... 55 8.6 Instrumentation Piping in Panels, Cabinets and Cases ... 55 8.7 Piping Test ... 56 8.8 Quality Acceptance ... 57 9 Degreasing ... 63 9.1 General Requirements ... 63 9.2 Degreasing Method ... 63 9.3 Inspection of Degreased Parts ... 64 9.4 Quality Acceptance ... 64 10 Electrical Explosion Protection and Grounding ... 66 10.1 Instrumentation Construction for Hazardous Atmosphere of Explosion and Fire Hazard ... 66 10.2 Grounding ... 68 10.3 Quality Acceptance ... 69 11 Protection ... 72 11.1 Isolation and Blow Washing ... 72 11.2 Anticorrosion and Insulation ... 72 11.3 Heat Tracing ... 73 11.4 Quality Acceptance ... 74 12 Instrumentation Test ... 76 12.1 General Requirements ... 76 12.2 Calibration and Test of Single Instrument ... 76 12.3 Test for Power Supply Device of Instrument ... 78 12.4 Test of Comprehensive Control System ... 78 12.5 Loop Test and System Test ... 80 12.6 Quality Acceptance ... 81 13 Handover and Acceptance of Engineering ... 87 13.1 Conditions of Handover and Acceptance ... 87 13.2 Handover Acceptance... 87 Appendix A ... 88 Quality Acceptance Record of Subitem Project of Automation Instrumentation ... 88 Appendix B ... 89 Minimum Straight Pipe Section Length for Throttling Set ... 89 Explanation of Wording in This Code ... 92 List of Quoted Standards ... 93 Code for Construction and Quality Acceptance of Automation Instrumentation Engineering 1 General Provisions 1.0.1 This Code is formulated with a view to improving the construction technique and management level of automation instrumentation engineering, unifying the construction quality acceptance method of automation instrumentation engineering and guaranteeing the engineering quality. 1.0.2 This Code is applicable to the construction and quality acceptance of automation instrumentation engineering. 1.0.3 This Code is not applicable to the automation instrumentation installation engineering at places where explosive substances are manufactured, stored or used as well as the transportation tools or in mines. 1.0.4 Construction of automation instrumentation engineering shall be in accordance with those specified in the design document and this Code. 1.0.5 Where it is necessary to revise the design document or use other material as substitute, it shall be agreed by the original design organization and also be issued with relevant documents. 1.0.6 The instrumentation and instrumentation tap directly installed on equipment or piping shall be constructed in accordance with the requirements on specialization and division of work given in the design document. 1.0.7 Equipment and materials adopted in automation instrumentation engineering shall comply with relevant current standards of the Nation and shall be with the product quality evidentiary documents. 1.0.8 The welding construction in automation instrumentation engineering shall be in accordance with those specified in the current national standards "Code for Construction of Field Equipment, Industrial Pipe Welding Engineering" (GB 50236), "Code for Acceptance of Field Equipment, Industrial Pipe Welding Construction Quality" (GB 50683) and "Code for Acceptance of Construction Quality of Steel Structures" (GB 50205). 1.0.9 Construction and quality acceptance of automation instrumentation engineering not only shall comply with this Code, but also shall comply with those in the current relevant standards of the nation. 2 Terms 2.0.1 Automation instrumentation A general term of instrumentation units and instrumentation systems which are used to measure and control the measured and manipulated variables. 2.0.2 Measurement A group of operations with purpose to determine the values. 2.0.3 Control Purposed activities on system or in system to achieve the specified objective. 2.0.4 Field instrument The instrument installed outside the field control room and generally nearby the measured object and controlled object. 2.0.5 Detecting and measuring instrument The instrument used to determine the quantity value or the characteristics and state of the measured variable. 2.0.6 Transducer The unit receiving the information of input variable and converting them to output variable of the same type or other type in accordance with certain law. 2.0.7 Converter The unit receiving signals of one type and converts them to signals of other type for output in accordance with certain law. 2.0.8 Transmitter The transducer of which the output is normalized signal. 2.0.9 Display instrument The instrument displaying the values of quantity measured. 2.0.10 Control instrument The instrument used to control the manipulated variables. 2.0.11 Actuator The unit in the control system, which directly changes the manipulated variable via the action of its mechanism. 2.0.12 Sensor The primary element in the measuring chain, which converts the input variables to the signals suitable for measurement. 2.0.13 Tap The elements such as dedicated pipe fittings, outlet and junction valve set on the measured object for purpose of installing and connecting the sensor. 2.0.14 Measuring point The specific positions where the measured variable is detected and measured, i.e., the field installation positions of sensor and tap. 2.0.15 Control system The system reaching the established status via precision guidance or via manipulation of several variables. The instrument control system consists of such hardware as instrumentation apparatus, instrument piping, instrument power and auxiliary facilities as well as the relevant 3 Basic Requirements 3.1 Technical Preparation of Construction 3.1.1 The construction organization design and construction scheme of automation instrumentation engineering shall have already been approved. As for the complicated and critical installation and test work, construction technical scheme shall be prepared. 3.1.2 Prior to the construction of automation instrumentation engineering, the construction organization shall participate in the joint review on construction drawing design document. 3.1.3 The technical safety measures during the construction of automation instrumentation engineering shall be in accordance with those specified in this Code and in the current relevant standards of the Nation. 3.1.4 Prior to the construction of automation instrumentation engineering, technical disclosure shall be carried out to the construction personnel. 3.1.5 The monitoring and measuring equipment shall be calibrated and (or) verified at a specified time interval or before use. 3.2 Quality Control 3.2.1 At the construction site, sound quality management system, quality management system and corresponding construction technical standards shall be available. 3.2.2 As for automation instrumentation engineering, the construction process shall be carried out with quality control, and inspection shall be carried out according to procedures and quality control points. 3.2.3 Handing-over inspection on construction procedures shall be carried out between the automation instrumentation profession and relevant professions. 3.2.4 As for the automation instrumentation engineering, the engineering division, determination of quality control points, quality inspection and acceptance record form all shall be defined in the construction scheme or quality plan. 3.2.5 Quality acceptance of automation instrumentation engineering shall be carried out on basis of qualified self-inspection of construction organization. 3.2.6 The quality of inspection items shall be .......Source: https://www.ChineseStandard.net/PDF.aspx/GB50093-2013 |