HG/T 20646.3-1999 Professional and technical management regulations for pipeline material control in chemical plants
Some standard content:
Chemical Plant Pipeline Material Control Specialty
Technical Management Regulations
HG/T20646.3-1999
1 Scope of Responsibilities and Tasks of Each Stage of Pipeline Material Control Specialty 1.1 Scope of Responsibilities
1.1.1 According to the requirements of engineering design and the requirements of process for material specialty, as well as the data provided by process system specialty, it is responsible for stipulating the material, specification, standard and scope of pipeline materials. And make a final summary of the quantity of pipeline materials, submit a purchase order to the procurement department; responsible for compiling and processing the procurement technical documents of pipeline materials, and participate in inspection and testing when necessary.
1.1.2 According to the requirements of process system specialty and the data provided by users, it is responsible for selecting and stipulating the material and standard of thermal insulation, sound insulation and anti-corrosion coating materials. And make a final summary of the quantity of such materials, submit a purchase order to the procurement department.
1.1.3 Responsible for compiling and revising the standards, specifications and manuals of this specialty, and accumulating technical information such as experience in the use of new materials and new products and relevant data.
1.1.4 Train and improve the professional ability and technical level of designers in this profession. 1.1.5 Estimate the workload of each design stage of this profession and control the man-hour consumption. 1.1.6 Prepare the completion report of the engineering design of this profession. Cooperate with the bidding and quotation work of relevant departments. 1.1.7
Solve the relevant pipeline material problems during the construction process. 1.2 Tasks at each stage of engineering design
Basic engineering design stage
Propose the first material statistics of pipeline materials used for engineering budget and procurement department; prepare preliminary design engineering regulations for pipeline materials; prepare preliminary engineering standards for pipeline materials; prepare preliminary pipeline material grade index; prepare preliminary pipeline material grade table;
Prepare preliminary pipeline wall thickness table;
Prepare preliminary branch pipe connection table;
Prepare insulation design engineering regulations:
Prepare painting and anti-corrosion design engineering regulations: 9
10Propose opinions on the "Pipeline Design Engineering Regulations (including heating and jacket regulations)" prepared by the pipeline layout specialty; 11Propose the first pipeline material purchase order; 12Prepare technical risk memorandum.
Detailed engineering design stage
Prepare pipeline material design regulations;
Prepare pipeline material grade index;
Prepare pipeline material grade table and establish pipeline material database; prepare pipeline wall thickness table;
Prepare branch pipe connection table;
Prepare insulation design regulations;
Prepare painting and anti-corrosion design regulations;
Prepare valve data and size table;
Prepare pipeline and instrument material demarcation regulations; prepare insulation construction instructions;
Prepare painting construction instructions;
Prepare pipeline material Material construction instructions;
13 For materials with long ordering cycles or foreign orders, make material estimates and submit a second purchase order;14 Submit a purchase order for special pipe fittings and non-standard pipe fittings (including relevant drawings and data sheets);15 Prepare the final (classification of the entire device) material summary table, insulation paint summary table, propose material spare quantity suggestions, and submit the final purchase order;16 Make recommendations or opinions to the purchasing department to recommend suppliers (commercials), and conduct technical review of the manufacturer's quotation documents;
17 Make technical contacts with suppliers (commercials) and review the drawings and materials of suppliers (commercials). 1.2.3 Construction stage and trial run summary stage
1 Study and handle on-site accident reports and material shortage or damage reports;2 Review material substitution requests, and if necessary, conduct detailed research on the impact of fluid mechanics, flexibility, etc. with process system professionals or pipeline machinery professionals:3 Make technical evaluations on the selection and design regulations of pipeline materials based on trial run production assessments;4 Prepare the engineering design completion report of this specialty. 78
2 Working procedures in the engineering design phase of pipeline material control The working procedures in the engineering design phase of pipeline material control are shown in Figure 2.0.1. 79
Related disciplines·
Basic design phase
Pipeline layout discipline
System discipline
Layout discipline
System discipline
Detailed design phase
Purchase of new doors
Non-standard pipe fittings
Manufacturing drawings
Purchasing department
Source
,,,,
The double-line frame in the figure represents the work content of this discipline
Bulk materials, materials with long ordering or manufacturing cycles, and special materials. **:
Working procedure chart for engineering design phase
Public pipeline layout specialty
Final pipeline material summary table
Insulation and painting summary table
Purchase request documents
3 Design conditions for pipeline material control specialty (summary) 3.1
Acceptance conditions
Start-up report;
Engineering design basic data;
Basic engineering design phase
Process specialty provides: process flow chart (PFD); material memorandum, relevant technical documents;
Process equipment table and equipment engineering drawings;
Pipeline instrumentation Flowchart (PID) version A, B, C and D and pipeline naming table, etc.; engineering design regulations for pipeline design and pipeline machinery; 8
Main pipeline direction diagram, high-pressure pipeline axonometric diagram (if any); 9
Purchasing department provides relevant product samples;
10Pipeline layout professionals make the first material statistics of pipelines, valves and pipe fittings according to pipeline direction study diagram and high-pressure pipeline axonometric diagram (if any):
11Related regulations or opinions of users;
12Opinions returned by various disciplines and users:
Pipeline wall thickness calculation table;
Engineering plan schedule.
Propose conditions
Design description of pipeline materials;
Index of pipeline material grades;
Pipeline material grade table and engineering standards;
Pipeline wall thickness table:
Branch pipe connection table;
Regulations on the demarcation of pipeline and instrument materials:
Preliminary data and size tables of fittings, valves, etc.; First purchase order for pipeline materials (including pipeline materials and special materials purchased from abroad); Prepare an estimate sheet and propose a risk memorandum
10. Propose an estimate of the pipeline anti-corrosion and maintenance project quantity; 81
Assist the budget specialist in preparing the estimate of pipeline materials. 11
3.2 Detailed engineering design stage
3.2.1 Research stage
1 Acceptance conditions
1) Basic engineering design review opinions;
2) Opinions from various disciplines and users;
3) Pipeline nomenclature table of Pipeline Instrument Flow Diagram (PID) Version E; 4) Special pipe fittings data sheet, steam trap procurement data sheet, flow limiting orifice summary sheet, safety valve procurement data sheet, bursting plate summary sheet, insulation mark diagram;
5) Special pipe fittings conditions;
6) Pipeline layout drawing Version E (research version) and second material statistics; 7) Special pipe fittings data drawings of the supplier (merchant). 2 Propose conditions
1) Revise engineering standards, pipeline material grade table, etc.; 2) Special pipe fittings purchase request documents (drawings and data sheets); 3) Second material supplementary purchase order (including overseas purchase of pipeline materials and special materials) (if necessary); 4) Preliminary pipeline material summary;
5) Prepare procurement technical specifications and summary tables: 6) Review the supplier's (merchant's) drawings and materials review opinions; 7) Propose data and size tables for valves and pipe fittings. 3.2.2 Finished product stage
1 Acceptance conditions
1) Pipeline instrument flow diagram (PID) version F;
2) Non-standard pipe fittings data sheet;
3) High-pressure pipe axonometric drawing;
4) Pipeline axonometric drawing;
5) Equipment final layout;
6) Supplier's final drawing;
7) Pipeline support material statistical summary table:
8) Pipeline material partition summary quantity;
9) Pipeline layout drawing version F (design version).
2 Propose conditions
1) Final data and dimensions of valves and pipe fittings; 2) Draw non-standard pipe fittings manufacturing drawings;
3) Final version of pipeline material grade table;
4) Purchase order for non-standard pipe fittings and high-pressure pipes; 5) Prepare the final pipeline comprehensive material summary table of the device, propose the quantity of spare materials, and submit purchase requisition documents; 6) Prepare the insulation material summary table of equipment and pipelines, submit purchase requisition documents; 7) Prepare the anti-corrosion paint material summary table of equipment and pipelines, submit purchase requisition documents; 8) Assist the budgeting department in preparing the project budget. 83
Design conditions for pipeline material control professional design quality assurance measures
4.1.1 Accepting conditions
1 The person in charge of the discipline shall accept the conditions provided by the relevant disciplines according to the design schedule, and shall distribute them to the relevant personnel in a timely manner after receiving the conditions.
2 The person in charge of the discipline shall check all the conditions accepted, and the reviewer of the discipline or department that proposed the conditions must sign. The conditions without review shall be returned to the discipline or department that proposed the conditions. 3 The person in charge of the discipline shall regularly check the accepted conditions to ensure that the conditions used by the relevant personnel are the latest versions.
4 The person in charge of the discipline shall distribute and classify the engineering data according to the data management method for easy management and reference.
4.1.2 Proposing conditions
All proposed conditions shall be managed by the person in charge of the discipline and classified and bound according to the data management method for easy management and reference.
2 All proposed conditions shall be reviewed and signed according to the design quality assurance requirements. 3 All proposed conditions shall be distributed according to the conditions and distributed to the relevant disciplines or departments in a timely manner as required. When the proposed conditions need to be modified, they shall be carried out according to the design quality assurance measures. 4
5 The professional person in charge should keep the original manuscript of the conditions proposed by the profession. 4.2 Design regulations for pipeline material control profession
Acceptance conditions
1 Start-up report;
Basic data for engineering design:
3 Material memorandum;
4 Process publication;
5, Basic version of pipeline instrumentation flow diagram (PID) design; 6 User regulations or opinions.
1 This section applies to the following prescribed documents:
1) Pipe material grade index;
2) Pipe material grade table;
3) Engineering standards;
4) Pipe material design instructions;
5) Branch pipe connection table;
6) Pipe wall thickness table;
7) Special pipeline component data sheet;
8) Thermal insulation design regulations;
9) Anti-corrosion and painting design regulations
2 All the above prescribed documents shall be compiled by the professional person in charge or designated qualified designers under the guidance of the professional team leader. 3 The designer shall compile according to the requirements specified in the document and discuss and solve any problems with the professional person in charge. After checking the completeness and accuracy of the document, the designer shall sign the "Compilation" column of the document and send it to the proofreader for review. 4.2.3 Verification, review and signing
1 The proofreader is responsible for verifying whether the document meets the engineering requirements, the process system requirements, and whether it meets the user's requirements.
2 The reviewer points out the errors and contradictions in the document and returns the document to the original compiler for correction. The reviewer verifies that the modified part is correct, then signs in the "Verification" column and sends it for review. 3 The reviewer is responsible for reviewing whether the document meets the needs of the engineering design. If there are any modifications, the original designer will be responsible for the correction and then go through the review procedure again. The reviewer then signs in the "Review" column. 4 Pipeline material grade table, pipeline material grade index and other documents are sent to relevant professionals for comments. The designer summarizes the returned opinions, submits them for review, and compiles them into relevant documents, which are distributed by the professional person in charge. 4.2.4 Pipeline material design regulations use many professionals, which affects the entire design process. The accuracy of the document must be ensured. If there are any modifications, the relevant professionals or departments must be notified in a timely manner in accordance with regulations. 4.3 Procurement Technical Specifications
Acceptance Conditions
1 Engineering Design Basic Data;
Special Pipe Fittings Data Sheet:
3 Special Pipe Fittings Description;
4 Non-standard Pipe Fittings Data Sheet:
5 Pipe Material Grade Table;
6 Engineering Standards.
4.3.2 Preparation
1 The procurement technical specifications are prepared by the professional person in charge under the guidance of the professional team leader and are prepared in accordance with the professional method. 2 After the preparation is completed, the preparer will check it, then sign in the signature column and send it for verification. 4.3.3 Review and Signature
1 The professional team leader verifies the procurement technical specifications. After the need for modification is pointed out, the original preparer is responsible for correction, the verifier verifies the modified part, and then signs in the signature column and sends it for review. 2 The reviewer is responsible for reviewing this "Specifications". If there is any modification, the original preparer will modify it, review it again, and then the reviewer will sign in the "Review" column.
4.3.4 The procurement technical specification is an important procurement document and should be modified as little as possible. 4.4
Purchase requisition document
Acceptance conditions
Engineering design basic data;
2 Purchase technical specification,
3 Pipeline material summary table:
Final safety valve, steam trap, special pipe fittings and non-standard pipe fittings data table;4
Summary table of equipment and pipeline insulation materials:
Summary table of equipment and pipeline painting materials
7 Engineering standards.
4.4.2 Preparation
1 The number of the purchase requisition document (including purchase order and technical specification) is provided by the professional person in charge. 2 The purchase requisition document is prepared by the designated designer. The designer prepares it according to the accepted conditions and number content regulations. After the designer completes the preparation, he/she will conduct self-inspection and then sign. 3 The professional person in charge will check the purchase requisition document and check whether the attachment content requirements and attachments are complete, and then sign the document.
4 The professional team leader reviews the completeness and accuracy of the documents. It is required to review whether each document is prepared according to the professional regulations and then sign it.
After the review, if the part needs to be modified, it will be modified by the original compiler, and the reviewer will review the modified part again. The professional person in charge will send the final product to the design manager for signature and approval and send it to the purchasing department. 4.5 Pipeline comprehensive material summary table
Acceptance conditions
Pipeline material grade table;
Insulation and painting design regulations;
Equipment table, equipment diagram;
Pipeline material summary table compiled by relevant professionals according to the process: Pipeline instrument flow diagram (PID) version F;
Pipeline layout drawing version F;
Pipeline empty view:
Special pipe fittings data table and summary table, non-standard pipe fittings data table and summary table. 4.5.2
Pipeline comprehensive material summary table begins to be compiled during the design stage of the pipeline layout design version (F version). After modification in the detailed design stage of the pipeline layout drawing, it is compiled into the final document. 2 The pipeline comprehensive material summary table is summarized into the final product by process, and can also be summarized by pipeline material category.
3 When counting various pipeline materials, the material surplus is not considered. On the basis of the final summary of pipeline materials in each process or the entire project, the total amount of surplus is given according to regulations. 4.5.3 Review and Signature
1 The person who prepares the pipeline materials should check his own finished products to ensure the quality, and then hand them over to relevant personnel for verification. 2 The person in charge of the profession or the designated person is responsible for the verification. The person in charge of the profession or the designated person shall be responsible for the verification. The person in charge of the verification shall verify whether the compilation format and material standards of the pipeline comprehensive material summary table are correct, and the high-pressure pipelines, special pipelines, special pipe fittings, and non-standard pipe fittings shall be checked item by item. Sign after the verification is completed.
3 The professional team leader reviews the pipeline material summary table. Review whether the compilation format of the pipeline comprehensive material summary table, the specifications, standards and quantities of high-pressure pipelines, special pipelines and non-standard pipe fittings, and the material surplus are reasonable, and sign after review. 4.6 Non-standard pipe fittings manufacturing drawings
Acceptance conditions
Pipeline material grade table;2 Professional design regulations for pipeline material control
Acceptance conditions
1 Commencement report;
Basic data for engineering design:
3 Material memorandum;
4 Process publication;
5, Basic version of piping and instrumentation diagram (PID) design; 6 User regulations or opinions. bzxZ.net
1 This section applies to the following prescribed documents:
1) Pipe material grade index;
2) Pipe material grade table;
3) Engineering standards;
4) Pipe material design instructions;
5) Branch pipe connection table;
6) Pipe wall thickness table;
7) Special pipeline component data sheet;
8) Thermal insulation design regulations;
9) Anti-corrosion and painting design regulations
2 All the above prescribed documents shall be compiled by the professional person in charge or designated qualified designers under the guidance of the professional team leader. 3 The designer shall compile according to the requirements specified in the document and discuss and solve any problems with the professional person in charge. After checking the completeness and accuracy of the document, the designer shall sign the "Compilation" column of the document and send it to the proofreader for review. 4.2.3 Verification, review and signing
1 The proofreader is responsible for verifying whether the document meets the engineering requirements, the process system requirements, and whether it meets the user's requirements.
2 The reviewer points out the errors and contradictions in the document and returns the document to the original compiler for correction. The reviewer verifies that the modified part is correct, then signs in the "Verification" column and sends it for review. 3 The reviewer is responsible for reviewing whether the document meets the needs of the engineering design. If there are any modifications, the original designer will be responsible for the correction and then go through the review procedure again. The reviewer then signs in the "Review" column. 4 Pipeline material grade table, pipeline material grade index and other documents are sent to relevant professionals for comments. The designer summarizes the returned opinions, submits them for review, and compiles them into relevant documents, which are distributed by the professional person in charge. 4.2.4 Pipeline material design regulations use many professionals, which affects the entire design process. The accuracy of the document must be ensured. If there are any modifications, the relevant professionals or departments must be notified in a timely manner in accordance with regulations. 4.3 Procurement Technical Specifications
Acceptance Conditions
1 Engineering Design Basic Data;
Special Pipe Fittings Data Sheet:
3 Special Pipe Fittings Description;
4 Non-standard Pipe Fittings Data Sheet:
5 Pipe Material Grade Table;
6 Engineering Standards.
4.3.2 Preparation
1 The procurement technical specifications are prepared by the professional person in charge under the guidance of the professional team leader and are prepared in accordance with the professional method. 2 After the preparation is completed, the preparer will check it, then sign in the signature column and send it for verification. 4.3.3 Review and Signature
1 The professional team leader verifies the procurement technical specifications. After the need for modification is pointed out, the original preparer is responsible for correction, the verifier verifies the modified part, and then signs in the signature column and sends it for review. 2 The reviewer is responsible for reviewing this "Specifications". If there is any modification, the original preparer will modify it, review it again, and then the reviewer will sign in the "Review" column.
4.3.4 The procurement technical specification is an important procurement document and should be modified as little as possible. 4.4
Purchase requisition document
Acceptance conditions
Engineering design basic data;
2 Purchase technical specification,
3 Pipeline material summary table:
Final safety valve, steam trap, special pipe fittings and non-standard pipe fittings data table;4
Summary table of equipment and pipeline insulation materials:
Summary table of equipment and pipeline painting materials
7 Engineering standards.
4.4.2 Preparation
1 The number of the purchase requisition document (including purchase order and technical specification) is provided by the professional person in charge. 2 The purchase requisition document is prepared by the designated designer. The designer prepares it according to the accepted conditions and number content regulations. After the designer completes the preparation, he/she will conduct self-inspection and then sign. 3 The professional person in charge will check the purchase requisition document and check whether the attachment content requirements and attachments are complete, and then sign the document.
4 The professional team leader reviews the completeness and accuracy of the documents. It is required to review whether each document is prepared according to the professional regulations and then sign it.
After the review, if the part needs to be modified, it will be modified by the original compiler, and the reviewer will review the modified part again. The professional person in charge will send the final product to the design manager for signature and approval and send it to the purchasing department. 4.5 Pipeline comprehensive material summary table
Acceptance conditions
Pipeline material grade table;
Insulation and painting design regulations;
Equipment table, equipment diagram;
Pipeline material summary table compiled by relevant professionals according to the process: Pipeline instrument flow diagram (PID) version F;
Pipeline layout drawing version F;
Pipeline empty view:
Special pipe fittings data table and summary table, non-standard pipe fittings data table and summary table. 4.5.2
Pipeline comprehensive material summary table begins to be compiled during the design stage of the pipeline layout design version (F version). After modification in the detailed design stage of the pipeline layout drawing, it is compiled into the final document. 2 The pipeline comprehensive material summary table is summarized into the final product by process, and can also be summarized by pipeline material category.
3 When counting various pipeline materials, the material surplus is not considered. On the basis of the final summary of pipeline materials in each process or the entire project, the total amount of surplus is given according to regulations. 4.5.3 Review and Signature
1 The person who prepares the pipeline materials should check his own finished products to ensure the quality, and then hand them over to relevant personnel for verification. 2 The person in charge of the profession or the designated person is responsible for the verification. The person in charge of the profession or the designated person shall be responsible for the verification. The person in charge of the verification shall verify whether the compilation format and material standards of the pipeline comprehensive material summary table are correct, and the high-pressure pipelines, special pipelines, special pipe fittings, and non-standard pipe fittings shall be checked item by item. Sign after the verification is completed.
3 The professional team leader reviews the pipeline material summary table. Review whether the compilation format of the pipeline comprehensive material summary table, the specifications, standards and quantities of high-pressure pipelines, special pipelines and non-standard pipe fittings, and the material surplus are reasonable, and sign after review. 4.6 Non-standard pipe fittings manufacturing drawings
Acceptance conditions
Pipeline material grade table;2 Professional design regulations for pipeline material control
Acceptance conditions
1 Commencement report;
Basic data for engineering design:
3 Material memorandum;
4 Process publication;
5, Basic version of piping and instrumentation diagram (PID) design; 6 User regulations or opinions.
1 This section applies to the following prescribed documents:
1) Pipe material grade index;
2) Pipe material grade table;
3) Engineering standards;
4) Pipe material design instructions;
5) Branch pipe connection table;
6) Pipe wall thickness table;
7) Special pipeline component data sheet;
8) Thermal insulation design regulations;
9) Anti-corrosion and painting design regulations
2 All the above prescribed documents shall be compiled by the professional person in charge or designated qualified designers under the guidance of the professional team leader. 3 The designer shall compile according to the requirements specified in the document and discuss and solve any problems with the professional person in charge. After checking the completeness and accuracy of the document, the designer shall sign the "Compilation" column of the document and send it to the proofreader for review. 4.2.3 Verification, review and signing
1 The proofreader is responsible for verifying whether the document meets the engineering requirements, the process system requirements, and whether it meets the user's requirements.
2 The reviewer points out the errors and contradictions in the document and returns the document to the original compiler for correction. The reviewer verifies that the modified part is correct, then signs in the "Verification" column and sends it for review. 3 The reviewer is responsible for reviewing whether the document meets the needs of the engineering design. If there are any modifications, the original designer will be responsible for the correction and then go through the review procedure again. The reviewer then signs in the "Review" column. 4 Pipeline material grade table, pipeline material grade index and other documents are sent to relevant professionals for comments. The designer summarizes the returned opinions, submits them for review, and compiles them into relevant documents, which are distributed by the professional person in charge. 4.2.4 Pipeline material design regulations use many professionals, which affects the entire design process. The accuracy of the document must be ensured. If there are any modifications, the relevant professionals or departments must be notified in a timely manner in accordance with regulations. 4.3 Procurement Technical Specifications
Acceptance Conditions
1 Engineering Design Basic Data;
Special Pipe Fittings Data Sheet:
3 Special Pipe Fittings Description;
4 Non-standard Pipe Fittings Data Sheet:
5 Pipe Material Grade Table;
6 Engineering Standards.
4.3.2 Preparation
1 The procurement technical specifications are prepared by the professional person in charge under the guidance of the professional team leader and are prepared in accordance with the professional method. 2 After the preparation is completed, the preparer will check it, then sign in the signature column and send it for verification. 4.3.3 Review and Signature
1 The professional team leader verifies the procurement technical specifications. After the need for modification is pointed out, the original preparer is responsible for correction, the verifier verifies the modified part, and then signs in the signature column and sends it for review. 2 The reviewer is responsible for reviewing this "Specifications". If there is any modification, the original preparer will modify it, review it again, and then the reviewer will sign in the "Review" column.
4.3.4 The procurement technical specification is an important procurement document and should be modified as little as possible. 4.4
Purchase requisition document
Acceptance conditions
Engineering design basic data;
2 Purchase technical specification,
3 Pipeline material summary table:
Final safety valve, steam trap, special pipe fittings and non-standard pipe fittings data table;4
Summary table of equipment and pipeline insulation materials:
Summary table of equipment and pipeline painting materials
7 Engineering standards.
4.4.2 Preparation
1 The number of the purchase requisition document (including purchase order and technical specification) is provided by the professional person in charge. 2 The purchase requisition document is prepared by the designated designer. The designer prepares it according to the accepted conditions and number content regulations. After the designer completes the preparation, he/she will conduct self-inspection and then sign. 3 The professional person in charge will check the purchase requisition document and check whether the attachment content requirements and attachments are complete, and then sign the document.
4 The professional team leader reviews the completeness and accuracy of the documents. It is required to review whether each document is prepared according to the professional regulations and then sign it.
After the review, if the part needs to be modified, it will be modified by the original compiler, and the reviewer will review the modified part again. The professional person in charge will send the final product to the design manager for signature and approval and send it to the purchasing department. 4.5 Pipeline comprehensive material summary table
Acceptance conditions
Pipeline material grade table;
Insulation and painting design regulations;
Equipment table, equipment diagram;
Pipeline material summary table compiled by relevant professionals according to the process: Pipeline instrument flow diagram (PID) version F;
Pipeline layout drawing version F;
Pipeline empty view:
Special pipe fittings data table and summary table, non-standard pipe fittings data table and summary table. 4.5.2
Pipeline comprehensive material summary table begins to be compiled during the design stage of the pipeline layout design version (F version). After modification in the detailed design stage of the pipeline layout drawing, it is compiled into the final document. 2 The pipeline comprehensive material summary table is summarized into the final product by process, and can also be summarized by pipeline material category.
3 When counting various pipeline materials, the material surplus is not considered. On the basis of the final summary of pipeline materials in each process or the entire project, the total amount of surplus is given according to regulations. 4.5.3 Review and Signature
1 The person who prepares the pipeline materials should check his own finished products to ensure the quality, and then hand them over to relevant personnel for verification. 2 The person in charge of the profession or the designated person is responsible for the verification. The person in charge of the profession or the designated person shall be responsible for the verification. The person in charge of the verification shall verify whether the compilation format and material standards of the pipeline comprehensive material summary table are correct, and the high-pressure pipelines, special pipelines, special pipe fittings, and non-standard pipe fittings shall be checked item by item. Sign after the verification is completed.
3 The professional team leader reviews the pipeline material summary table. Review whether the compilation format of the pipeline comprehensive material summary table, the specifications, standards and quantities of high-pressure pipelines, special pipelines and non-standard pipe fittings, and the material surplus are reasonable, and sign after review. 4.6 Non-standard pipe fittings manufacturing drawings
Acceptance conditions
Pipeline material grade table;2 Preparation
1 The purchase requisition document (including purchase order and technical specification) number is provided by the professional person in charge. 2 The purchase requisition document is prepared by the designated designer. The designer prepares it according to the accepted conditions and number content regulations. After the designer completes the preparation, he/she will conduct self-inspection and sign. 3 The professional person in charge will check the purchase requisition document and check whether the attachment content requirements and attachments are complete, and then sign the document.
4 The professional team leader will review the completeness and accuracy of the document. It is required to review whether each document is prepared in accordance with the professional regulations and then sign.
After the review, if the part needs to be modified, it will be modified by the original preparer, and the reviewer will review the modified part again. The professional person in charge will send the final product to the design manager for signature and approval and send it to the procurement department. 4.5 Pipeline comprehensive material summary table
Acceptance conditions
Pipeline material grade table;
Insulation and painting design regulations;
Equipment table, equipment diagram;
Pipeline material summary table compiled by relevant professionals according to the process: Pipeline instrument flow chart (PID) version F;
Pipeline layout version F;
Pipeline empty view:
Special pipe fittings data table and summary table, non-standard pipe fittings data table and summary table. 4.5.2
Pipeline comprehensive material summary table begins to be compiled during the design stage of the pipeline layout design version (F version). It is compiled into the final document after modification during the detailed design stage of the pipeline layout. 2 The pipeline comprehensive material summary table is summarized into the final product by process, and can also be summarized by pipeline material category.
3 When counting various pipeline materials, the material surplus is not considered. On the basis of the final summary of the pipeline materials in each process or the entire project, the total amount of surplus is determined according to regulations. 4.5.3 Review and Signature
1 The person who prepares the pipeline materials should check his own finished products to ensure the quality, and then hand them over to relevant personnel for verification. 2 The person in charge of the profession or the designated person shall be responsible for verification. The verifier shall verify whether the compilation format and material standards of the pipeline comprehensive material summary table are correct, and the high-pressure pipelines, special pipelines, special pipe fittings, and non-standard pipe fittings shall be checked item by item. Sign after verification.
3 The professional team leader shall review the pipeline material summary table. Review whether the compilation format of the pipeline comprehensive material summary table, the specifications, standards and quantities of high-pressure pipelines, special pipelines and non-standard pipe fittings, and the material surplus are reasonable, and sign after review. 4.6 Non-standard pipe fittings manufacturing drawings
Acceptance conditions
Pipeline material grade table;2 Preparation
1 The purchase requisition document (including purchase order and technical specification) number is provided by the professional person in charge. 2 The purchase requisition document is prepared by the designated designer. The designer prepares it according to the accepted conditions and number content regulations. After the designer completes the preparation, he/she will conduct self-inspection and sign. 3 The professional person in charge will check the purchase requisition document and check whether the attachment content requirements and attachments are complete, and then sign the document.
4 The professional team leader will review the completeness and accuracy of the document. It is required to review whether each document is prepared in accordance with the professional regulations and then sign.
After the review, if the part needs to be modified, it will be modified by the original preparer, and the reviewer will review the modified part again. The professional person in charge will send the final product to the design manager for signature and approval and send it to the procurement department. 4.5 Pipeline comprehensive material summary table
Acceptance conditions
Pipeline material grade table;
Insulation and painting design regulations;
Equipment table, equipment diagram;
Pipeline material summary table compiled by relevant professionals according to the process: Pipeline instrument flow chart (PID) version F;
Pipeline layout version F;
Pipeline empty view:
Special pipe fittings data table and summary table, non-standard pipe fittings data table and summary table. 4.5.2
Pipeline comprehensive material summary table begins to be compiled during the design stage of the pipeline layout design version (F version). It is compiled into the final document after modification during the detailed design stage of the pipeline layout. 2 The pipeline comprehensive material summary table is summarized into the final product by process, and can also be summarized by pipeline material category.
3 When counting various pipeline materials, the material surplus is not considered. On the basis of the final summary of the pipeline materials in each process or the entire project, the total amount of surplus is determined according to regulations. 4.5.3 Review and Signature
1 The person who prepares the pipeline materials should check his own finished products to ensure the quality, and then hand them over to relevant personnel for verification. 2 The person in charge of the profession or the designated person shall be responsible for verification. The verifier shall verify whether the compilation format and material standards of the pipeline comprehensive material summary table are correct, and the high-pressure pipelines, special pipelines, special pipe fittings, and non-standard pipe fittings shall be checked item by item. Sign after verification.
3 The professional team leader shall review the pipeline material summary table. Review whether the compilation format of the pipeline comprehensive material summary table, the specifications, standards and quantities of high-pressure pipelines, special pipelines and non-standard pipe fittings, and the material surplus are reasonable, and sign after review. 4.6 Non-standard pipe fittings manufacturing drawings
Acceptance conditions
Pipeline material grade table;
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