HG/T 20702.5-2000 Special Equipment Professional Design Document Review Rules HG/T20702.5-2000 Standard download decompression password: www.bzxz.net

Detailed Rules for Review of Special Equipment Professional Design Documents HG/T20702.5-2000
Subject Content and Scope of Application
This standard specifies the detailed rules for review of professional engineering design documents for special equipment, and is applicable to design quality assurance work 2 General
Engineering design documents mainly include equipment schematics (equipment engineering drawings) and/or data sheets, and equipment construction drawings. The acceptance conditions used by reviewers at all levels for their work should be the latest version. The inquiry version used for construction drawing review 2.0.24
Equipment schematics (equipment engineering drawings) and/or data sheets should be approved by relevant professionals. 2.0.3
Reviewers participating in the review of equipment schematics (equipment engineering drawings) and/or data sheets should be familiar with engineering design requirements, and reviewers participating in the review of equipment construction drawings must also have reviewer qualifications. 2.0.4
Engineering design documents should be reviewed in accordance with the detailed rules for review. The designer should conduct self-review of engineering design documents before submitting them for review. 3.1
Special equipment schematics (equipment engineering drawings) and/or data sheets shall be signed at three levels: design (preparation), proofreading, and review. The provisions for the design (preparation), proofreading, and review signature of each design document are shown in Appendix A "191
Table of provisions for the preparation and proofreading of design documents".
3.1.2 The documents submitted for proofreading shall include: design condition tables, engineering design provisions, relevant general technical provisions for equipment, drawings, calculation books, etc. provided by each discipline. 3.1.3 In the signature column of equipment schematics (equipment engineering drawings) and/or data sheets, designers at all levels can only sign one level, and are not allowed to sign two levels at the same time.
3.2: Self-checking rules
Self-checking rules shall be carried out in accordance with the proofreading rules (see Section 3.3 for details). Verification details
Overall integrity verification of equipment schematics (equipment engineering drawings) and/or data sheets: Check whether the acceptance conditions are complete, whether they are the latest version, and whether they are signed as required. 2
Verify whether the drawings and/or data sheets are complete and whether the design basis is complete. e
If the verifier finds that the drawings and/or data sheets are incomplete, they should be returned to the designer. Verification will be carried out after they are supplemented. 3
Verification of calculation books
When special equipment requires the drawing of equipment schematics (equipment engineering drawings) during the engineering design stage, the design of the equipment schematics (equipment engineering drawings) should carry out necessary calculations, and the verification of the calculation books shall be carried out in accordance with the following provisions. 1. Check whether the conditions based on the calculation are consistent with the accepted conditions, mainly including: a. Design pressure, design temperature, operating pressure, operating temperature, material name, material weight, viscosity, height of liquid material;
b. Nominal diameter, overall dimensions, heat exchange area; C. External load (such as wind load, snow load, earthquake intensity); d. Special requirements for special equipment (such as: stirring purpose, stirring time, stirring paddle type, diameter and stirring main shaft speed, rotation direction, shaft power, etc. of stirring equipment): e. Check whether the nozzle symbol, nominal size, selection standard, pressure level, purpose, and tight surface type are consistent with the accepted conditions.
2. Check whether other data based on the calculation are correct, mainly including: a. Whether the selection of material and corrosion allowance is consistent with the engineering material selection regulations (material memorandum): b. Check the allowable stress, weld coefficient, thickness addition, transmission ratio; c. Whether the load consideration is comprehensive and appropriate. 3. Check whether the specifications and standards used in the calculation are valid versions, whether the calculation formulas and methods comply with the regulations; whether the data entered in the calculation are correct; whether the units of the data meet the requirements of the calculation formula. 4. Check whether the main components have been calculated and whether all loads have been correctly considered in the calculation. 5. Check the calculation results to determine whether the conclusions are correct. Check whether the calculation results and various data have been correctly reflected in the equipment drawings. 6. Check the equipment general drawing and/or data sheet. Check the data and content indicated in the main title bar. 1. Check whether the equipment name and position number are consistent with the acceptance conditions; b. Check whether the project name, project number, and design project name are correct; C. Check whether the drawing number or file number is consistent with the regulations or the number of receipt: d. Check whether the design time and edition are correct.
2 Check whether the technical characteristics table is filled in correctly and whether it is consistent with the accepted conditions and calculation books 8 Design pressure, design temperature, operating pressure, operating temperature, material name, material weight, viscosity, loading factor: b. Welding seam factor, corrosion margin;
C. Nondestructive testing, heat treatment requirements;
d. Earthquake intensity, wind load, snow load: e. Container category:
f.. Special requirements for special equipment (such as: stirring paddle type, diameter and stirring main shaft speed, rotation direction, shaft power, etc. of mixing equipment).
3 Check whether the data in the takeover table (symbol, nominal size, connection surface type and purpose, etc.) are the same as the conditions proposed by the relevant profession.
4 Check whether the technical requirements for design, manufacturing, etc. are complete and consistent with the engineering design regulations. 5 Check whether the selection and requirements of the materials of the main components meet the provisions of the engineering material selection regulations (material memorandum). 6 Verification of graphics and structures
a. Whether the layout of the drawings is complete and reasonable, whether it correctly expresses the overall picture of the equipment, and whether the structural dimensions or detailed drawings related to the process requirements have been clearly expressed;
b. Whether the overall structure and internal structure design of the equipment are reasonable, and whether they meet the process requirements and the requirements of manufacturing, installation and maintenance;
C. Whether the necessary safety accessories installed on the equipment have been clearly expressed, whether the necessary manholes, hand holes, and inspection holes have been set, and whether the hanging columns and lifting ears have been set to meet the requirements; d. Whether the form and setting position of the support meet the requirements: e. Whether the pre-welded parts that need to be pre-welded on the equipment have been clearly expressed. 7 Verification of structural dimensions and textual expressions
a. Whether the main characteristic dimensions are complete and correct; b. Whether the selection of the main reference lines is reasonable and correct; 193
c. Whether the external connection dimensions, the size, quantity and positioning dimensions of the anchor bolt holes on the support are complete and correct; d. Anchor bolt specifications and the fixed end position of the horizontal support. 8 Verification of pipe connection symbols and pipe opening orientation diagram in the drawing a. Whether the pipe opening symbols in the drawing are consistent with the pipe opening table symbols: b. Whether the pipe opening orientation in the drawing is consistent with the condition diagram or pipeline plane design diagram. Whether the relative relationship between the equipment internals and the pipe opening orientation is correct.
Verify the completeness and accuracy of the additional instructions. 9
Verify the weight (net weight, water filling weight, etc.). 3.4 Review details
Verification of strength calculation book
1 Verify whether the conditions based on the calculation are correct a. Design pressure, design temperature, operating pressure, operating temperature, and other necessary parameters of special equipment: b. Material selection, allowable stress, and related mechanical properties of the main components of the equipment: C, weld coefficient, corrosion allowance, thickness addition; d. Engineering size, calculated length, specifications and support spacing of standard parts; e. Wind load, earthquake intensity and other external loads. 2 Review whether the load consideration is appropriate and comprehensive during the calculation. 3 Review whether the design regulations used in the calculation are valid versions, whether the calculation formulas and methods are correct, and whether the conclusions are appropriate.
Review whether the calculations of the main components are complete. 4
3.4.2 Review of equipment schematics (equipment engineering drawings) and node details The reviewer should review the drawings in full, but focus on the following items: 1 Review whether the data and requirements in the technical characteristics table are consistent with the acceptance conditions and design regulations; Review whether the overall structure and internal structure design are reasonable, whether they meet the process requirements and the requirements of manufacturing, installation and maintenance;
Review the integrity of the equipment requirements.
Review details of equipment construction drawings
4.1 General rules
The signing of the design documents of special equipment construction drawings is divided into three levels of design, verification, and review, and four levels of design, verification, review, and approval. The regulations on the design (preparation) and verification signature of various design documents are shown in Appendix A "Design Document Preparation, Verification and Signature Regulations Table".
4.1.2 The signing regulations for the construction drawings and design documents of special equipment are as follows: 1 The construction drawings (including general drawings and parts drawings) and technical documents of Class I and Class II pressure vessels and general special equipment shall be signed by the reviewer.
2 In addition to the three-level signatures required for the construction drawings and technical documents of Class III pressure vessels and complex and critical special equipment, the general drawings and calculation books shall also be approved and signed by the reviewer. 4.1.3 The documents submitted for review shall include: equipment schematics (equipment engineering drawings) or design condition tables approved by relevant professionals, a full set of drawing text descriptions, calculation books, investigation reports, design quality assessment cards, review records, etc. In the signature column of the design drawings and documents, designers at all levels can only sign one level and are not allowed to sign two levels at the same time. 4.1.41
The general drawings of various types of equipment in the engineering design shall also be approved by the relevant professional person in charge or designer who proposed the design conditions.2 Self-checking rules
After the design drawings and documents are completed, the designer shall conduct self-checking carefully and comprehensively to ensure the quality of the finished design.
Self-checking rules shall be carried out in accordance with the checking rules (see Section 4.3 for details). 4.3
Checking rules
4.3.1 Checking of equipment assembly drawings
1Whether the assembly drawings meet the requirements of the inquiry version of the equipment schematic drawing (equipment engineering drawing) approved by the relevant profession or the design conditions proposed by the relevant profession (or unit).
2Whether the items and data shown in the main title bar are filled in correctly and completely, and whether the equipment name, position number, drawing number, and engineering number are consistent with the acceptance conditions and regulations.
3Whether the layout of the drawings is reasonable and neat; whether the projection relationship is complete and correct, whether the selected views fully and correctly reflect the overall appearance of the equipment, and whether the selected scale and drawing size are appropriate. 195
4Whether the graphics and matching dimensions (or related dimensions) between the assembly drawings and the parts drawings are consistent and correct. 5 Whether the finalized equipment (such as reducer, motor) and standard parts (such as coupling, stuffing box, bearing) are properly selected and whether they meet the latest relevant standards. 6 Whether the equipment material selection meets the requirements of the equipment diagram (equipment engineering drawing) or condition diagram, whether there are additional requirements for materials, and whether the material selection principle meets the "Regulations on Safety Technical Supervision of Pressure Vessels", design specifications, and standard regulations. 7 Whether the nominal diameter, connection standard, and purpose in the pipe table are consistent with the equipment diagram (equipment engineering drawing) or design condition table, and whether the pipe symbols in the pipe table are consistent with the symbols in the view. 8 Whether the technical characteristics table is complete and the data is filled in correctly. 9 Whether the standards adopted in the technical requirements are correct, whether the description of the main technical requirements is complete and clear, and whether the requirements for welding materials, non-destructive testing of welds, heat treatment, pressure testing, etc. meet the requirements of the specifications. 10 Whether the standards selected for equipment accessories such as manholes, hand holes, liquid level gauges, davits, supports, etc. are appropriate, and whether the necessary pre-welded parts are complete.
Whether the results of the drawings are consistent with those of the calculation book, and whether the text description of the drawings is clear, correct, and relevant. 11
Whether the part number indication is accurate and the content is consistent with the description in the detailed list. 12
Whether the special manufacturing and inspection requirements are reasonable and whether the special installation requirements have been explained. 13
Whether the installation measures have been considered carefully and reasonably. Verification of parts drawings
Whether the shape and matching dimensions are consistent with the assembly drawing and the projection is correct. Whether the size tolerance, matching and roughness are correct, and whether the processing accuracy and processing symbols are appropriate. 2
Whether the material selection and anti-corrosion measures meet the process requirements. 3
Whether the part number, name, material, weight, drawing number, etc. in the part title bar are correct and consistent with the assembly drawing, and whether all items in the signature of Figure 4
are complete.
4.3.3 Verification of calculation books
Whether the adopted specifications and regulations are valid versions and whether the calculation formulas are correct. 1
Whether the selection of original data, calculation methods and various coefficients is correct. 2
3 Whether the calculation process and results are correct. If an electric calculation is used, the input data and calculation results should be checked to see if they are correct. 4.3.4 When the equipment construction drawing involves other documents (such as manufacturing technical requirements, procedure instructions, drawing catalogs, etc.), the following items should be checked in particular:
Whether the design basis and original data listed are sufficient; 1
Whether it is technically feasible, and whether the content of the description is consistent with the equipment to which the drawing belongs; 2
3Whether the text description is correct and fluent;
Whether the drawing catalog is correctly written, and whether there are errors in the writing of standard drawings, reused drawings, etc. 4
4.4 Audit details
4.4.1Whether the design principles and design plans meet the design conditions and the requirements of relevant standards and specifications, and whether the structural design is practical, technologically advanced, economically reasonable, and safe and applicable. Are the relevant parameters in the technical characteristics table, such as vessel type, design pressure, design temperature, corrosion margin, weld coefficient, etc. 4.42
correct, and are the main design requirements clearly explained? 4.4.3
Are the original data in the calculation book, important calculation formulas, methods and calculation results correct? Is the selection of materials reasonable and in line with the design conditions and relevant specifications? Is the manufacture, installation, maintenance and transportation of the equipment convenient and feasible? Is the design document complete, and are the selected standard drawings and reused drawings appropriate? Are the places that have been verified and modified appropriate?
Whether the design of the pressure vessel complies with the provisions of the "Regulations on Safety Technical Supervision of Pressure Vessels". 4.5 Approval Details
The approval contents of Category III pressure vessels and complex key equipment include: 4.5.1 Whether the design implements the relevant national technical guidelines and policies, and whether the structure is practical, technologically advanced, economically reasonable, safe and applicable;
4.5.2 Whether the design meets the design conditions; 4.5.3 Whether the material selection, calculation methods and calculation results of major components are correct; whether the key technical requirements (including additional technical requirements) to ensure the quality of equipment design are reasonable; 4.5.4
Whether the design of the pressure vessel complies with the provisions of the "Regulations on Safety Technical Supervision of Pressure Vessels". 5 Appendix
Appendix A "Design Document Preparation, Review and Signature Provisions Table 197
Design Document Name
Appendix A
Preliminary Design Document
Engineering Design Provisions
Equipment Schematic (Equipment Engineering Drawing)
Class III Containers and Complex Key
Special Equipment
Class II Special Equipment
General Special Equipment
Engineering Standards, Procedures Manual||tt ||Standard drawings, general drawings
General technical regulations for equipment
Purchase (inquiry) technical specifications
Or purchase order
Design document preparation, review and signature regulations table Professional person in charge
(Preparation) V
(Preparation) V
General and detailed drawings
Calculation sheet
Component drawings
Calculation sheet
Instructions
Component drawings
Calculation Calculation book
Component drawing
Calculation book
(Compilation)V
(Compilation)V
(Verification)V
Professional team leader
(Verification)V
(Verification)V
(Verification)V
(Audit)V
(Note 3)V
(Note 1)V
(Note 2)V
(Note 1 )V
（Note 2）V
(Note 2)V
(Note 2)V
Note: 1. The general drawing and calculation book of the super-standard pressure vessel and the general drawing and calculation book of the newly developed and designed complex and key special equipment shall also be reviewed and signed by the technical person in charge of the pressure vessel.
2. Only the drawings of important or key components and engineering standards, standard drawings, etc. need to be reviewed. 3. When several equipments form a procurement package, this document shall be prepared by the designated engineer. 1981 Verification of equipment assembly drawings
1 Whether the assembly drawings meet the requirements of the inquiry version of the equipment schematic (equipment engineering drawing) approved by the relevant profession or the design conditions proposed by the relevant profession (or unit).
2 Whether the items and data shown in the main title bar are filled in correctly and completely, and whether the equipment name, position number, drawing number, and engineering number are consistent with the acceptance conditions and regulations.
3 Whether the layout of the drawing is reasonable and neat; whether the projection relationship is complete and correct, whether the selected view fully and correctly reflects the overall picture of the equipment, and whether the selected scale and drawing are appropriate. 195
4 Whether the graphics and matching dimensions (or related dimensions) between the assembly drawing and the parts drawing are consistent and correct. 5 Whether the finalized equipment (such as reducer, motor) and standard parts (such as coupling, stuffing box, bearing) are selected appropriately and whether they meet the latest relevant standards. 6 Whether the equipment material selection meets the requirements of the equipment schematic (equipment engineering drawing) or conditional drawing, whether there are additional requirements for materials, and whether the material selection principles meet the "Regulations on Safety Technical Supervision of Pressure Vessels", design specifications, and standard regulations. 7 Whether the nominal diameter, connection standard and purpose in the pipe table are consistent with the equipment schematic (equipment engineering drawing) or design condition table, and whether the pipe symbol in the pipe table is consistent with the symbol in the view. 8 Whether the technical characteristics table is complete and the data is filled in correctly. 9 Whether the standards adopted in the technical requirements are correct, whether the description of the main technical requirements is complete and clear, and whether the requirements for welding materials, non-destructive testing of welds, heat treatment, pressure testing, etc. meet the requirements of the specifications. 10 Whether the standards selected for equipment accessories such as manholes, hand holes, liquid level gauges, hanging columns, supports, etc. are appropriate, and whether the necessary pre-welded parts are complete.
Whether the results of the drawings are consistent with those of the calculation book, and whether the text description on the drawings is clear, correct and relevant. 11
Whether the part number indication is accurate, and whether the content is consistent with the description in the detailed table. 12
Whether the special manufacturing and inspection requirements are reasonable, and whether the special installation requirements have been explained. 13
Whether the installation measures have been considered thoughtfully and reasonably. Verification of component drawings
Whether the shape and matching dimensions are consistent with the assembly drawing, and whether the projection is correct. Whether the dimensional tolerance, matching and roughness are correct, and whether the processing accuracy and processing symbols are appropriate. 2
Whether the material selection and anti-corrosion measures meet the process requirements. 3
Whether the part number, name, material, weight, drawing number, etc. in the component title bar are correct and consistent with the assembly drawing, and whether all items in the signature of Figure 4
are complete.
4.3.3 Verification of calculation books
Whether the adopted specifications and regulations are valid versions, and whether the calculation formula is correct. 1
Whether the original data, calculation method, and selection of various coefficients are correct. 2
3Whether the calculation process and calculation results are correct. If an electric calculation is used, the input data and calculation results should be checked for correctness. 4.3.4 When the equipment construction drawing involves other documents (such as manufacturing technical requirements, procedure instructions, drawing catalog, etc.), the following items should be checked:
Whether the listed design basis and original data are sufficient; 1
Whether it is technically feasible, and whether the content of the description is consistent with the equipment to which the drawing belongs; 2
3Whether the text description is correct and fluent;
Whether the drawing catalog is written correctly, and whether the standard drawings, reused drawings, etc. are written incorrectly. 4
4.4 Review details
4.4.1Whether the design principle and design scheme meet the design conditions and the requirements of relevant standards and specifications, and whether the structural design is practical, technologically advanced, economically reasonable, and safe and applicable. Whether the relevant parameters in the technical characteristics table, such as container type, design pressure, design temperature, corrosion margin, weld coefficient, etc.4.42
are correct, and whether the main design requirements are clearly explained. 4.4.3
Whether the original data in the calculation book, important calculation formulas, methods and calculation results are correct. Whether the material selection is reasonable and whether it meets the design conditions and relevant specifications. Whether the manufacture, installation, maintenance and transportation of the equipment are convenient and feasible. Whether the design documents are complete and the selected standard drawings and reused drawings are appropriate. Whether the places that have been verified and modified are appropriate.
Whether the design of the pressure vessel complies with the provisions of the "Regulations on Safety Technical Supervision of Pressure Vessels". 4.5 Approval Rules
The approval contents of the three types of pressure vessels and complex key equipment include: 4.5.1 Whether the design implements the relevant national technical guidelines and policies, and whether the structure is practical, technologically advanced, economically reasonable, safe and applicable;
4.5.2 Whether the design meets the design conditions; 4.5.3 Whether the material selection, calculation methods and calculation results of the main components are correct; Whether the key technical requirements (including additional technical requirements) to ensure the quality of equipment design are reasonable; 4.5.4
Whether the design of the pressure vessel complies with the provisions of the "Regulations on Safety Technical Supervision of Pressure Vessels". 5 Appendix
Appendix A "Design Document Preparation, Review and Signature Provisions Table 197
Design Document Name
Appendix A
Preliminary Design Document
Engineering Design Provisions
Equipment Schematic (Equipment Engineering Drawing)
Class III Containers and Complex Key
Special Equipment
Class II Special Equipment
General Special Equipment
Engineering Standards, Procedures Manual||tt ||Standard drawings, general drawings
General technical regulations for equipment
Purchase (inquiry) technical specifications
Or purchase order
Design document preparation, review and signature regulations table Professional person in charge
(Preparation) V
(Preparation) V
General and detailed drawings
Calculation sheet
Component drawings
Calculation sheet
Instructions
Component drawings
Calculation Calculation book
Component drawing
Calculation book
(Compilation)V
(Compilation)V
(Verification)V
Professional team leader
(Verification)V
(Verification)V
(Verification)V
(Audit)V
(Note 3)V
(Note 1)V
(Note 2)V
(Note 1 )V
（Note 2）V
(Note 2)V
(Note 2)V
Note: 1. The general drawing and calculation book of the super-standard pressure vessel and the general drawing and calculation book of the newly developed and designed complex and key special equipment shall also be reviewed and signed by the technical person in charge of the pressure vessel.
2. Only the drawings of important or key components and engineering standards, standard drawings, etc. need to be reviewed. 3. When several equipments form a procurement package, this document shall be prepared by the designated engineer. 1981 Verification of equipment assembly drawings
1 Whether the assembly drawings meet the requirements of the inquiry version of the equipment schematic (equipment engineering drawing) approved by the relevant profession or the design conditions proposed by the relevant profession (or unit).
2 Whether the items and data shown in the main title bar are filled in correctly and completely, and whether the equipment name, position number, drawing number, and engineering number are consistent with the acceptance conditions and regulations.
3 Whether the layout of the drawing is reasonable and neat; whether the projection relationship is complete and correct, whether the selected view fully and correctly reflects the overall picture of the equipment, and whether the selected scale and drawing are appropriate. 195
4 Whether the graphics and matching dimensions (or related dimensions) between the assembly drawing and the parts drawing are consistent and correct. 5 Whether the finalized equipment (such as reducer, motor) and standard parts (such as coupling, stuffing box, bearing) are selected appropriately and whether they meet the latest relevant standards. 6 Whether the equipment material selection meets the requirements of the equipment schematic (equipment engineering drawing) or conditional drawing, whether there are additional requirements for materials, and whether the material selection principles meet the "Regulations on Safety Technical Supervision of Pressure Vessels", design specifications, and standard regulations. 7 Whether the nominal diameter, connection standard and purpose in the pipe table are consistent with the equipment schematic (equipment engineering drawing) or design condition table, and whether the pipe symbol in the pipe table is consistent with the symbol in the view. 8 Whether the technical characteristics table is complete and the data is filled in correctly. 9 Whether the standards adopted in the technical requirements are correct, whether the description of the main technical requirements is complete and clear, and whether the requirements for welding materials, non-destructive testing of welds, heat treatment, pressure testing, etc. meet the requirements of the specifications. 10 Whether the standards selected for equipment accessories such as manholes, hand holes, liquid level gauges, hanging columns, supports, etc. are appropriate, and whether the necessary pre-welded parts are complete.
Whether the results of the drawings are consistent with those of the calculation book, and whether the text description on the drawings is clear, correct and relevant. 11wwW.bzxz.Net
Whether the part number indication is accurate, and whether the content is consistent with the description in the detailed table. 12
Whether the special manufacturing and inspection requirements are reasonable, and whether the special installation requirements have been explained. 13
Whether the installation measures have been considered thoughtfully and reasonably. Verification of component drawings
Whether the shape and matching dimensions are consistent with the assembly drawing, and whether the projection is correct. Whether the dimensional tolerance, matching and roughness are correct, and whether the processing accuracy and processing symbols are appropriate. 2
Whether the material selection and anti-corrosion measures meet the process requirements. 3
Whether the part number, name, material, weight, drawing number, etc. in the component title bar are correct and consistent with the assembly drawing, and whether all items in the signature of Figure 4
are complete.
4.3.3 Verification of calculation books
Whether the adopted specifications and regulations are valid versions, and whether the calculation formula is correct. 1
Whether the original data, calculation method, and selection of various coefficients are correct. 2
3Whether the calculation process and calculation results are correct. If an electric calculation is used, the input data and calculation results should be checked for correctness. 4.3.4 When the equipment construction drawing involves other documents (such as manufacturing technical requirements, procedure instructions, drawing catalog, etc.), the following items should be checked:
Whether the listed design basis and original data are sufficient; 1
Whether it is technically feasible, and whether the content of the description is consistent with the equipment to which the drawing belongs; 2
3Whether the text description is correct and fluent;
Whether the drawing catalog is written correctly, and whether the standard drawings, reused drawings, etc. are written incorrectly. 4
4.4 Review details
4.4.1Whether the design principle and design scheme meet the design conditions and the requirements of relevant standards and specifications, and whether the structural design is practical, technologically advanced, economically reasonable, and safe and applicable. Whether the relevant parameters in the technical characteristics table, such as container type, design pressure, design temperature, corrosion margin, weld coefficient, etc.4.42
are correct, and whether the main design requirements are clearly explained. 4.4.3
Whether the original data in the calculation book, important calculation formulas, methods and calculation results are correct. Whether the material selection is reasonable and whether it meets the design conditions and relevant specifications. Whether the manufacture, installation, maintenance and transportation of the equipment are convenient and feasible. Whether the design documents are complete and the selected standard drawings and reused drawings are appropriate. Whether the places that have been verified and modified are appropriate.
Whether the design of the pressure vessel complies with the provisions of the "Regulations on Safety Technical Supervision of Pressure Vessels". 4.5 Approval Rules
The approval contents of the three types of pressure vessels and complex key equipment include: 4.5.1 Whether the design implements the relevant national technical guidelines and policies, and whether the structure is practical, technologically advanced, economically reasonable, safe and applicable;
4.5.2 Whether the design meets the design conditions; 4.5.3 Whether the material selection, calculation methods and calculation results of the main components are correct; Whether the key technical requirements (including additional technical requirements) to ensure the quality of equipment design are reasonable; 4.5.4
Whether the design of the pressure vessel complies with the provisions of the "Regulations on Safety Technical Supervision of Pressure Vessels". 5 Appendix
Appendix A "Design Document Preparation, Review and Signature Provisions Table 197
Design Document Name
Appendix A
Preliminary Design Document
Engineering Design Provisions
Equipment Schematic Diagram (Equipment Engineering Drawing)
Class III Containers and Complex Key
Special Equipment
Class II Special Equipment
General Special Equipment
Engineering Standards, Procedures Manual||tt ||Standard drawings, general drawings
General technical regulations for equipment
Purchase (inquiry) technical specifications
Or purchase requisition
Design document preparation, review and signature regulations table Professional person in charge
(Preparation) V
(Preparation) V
General and detailed drawings
Calculation sheet
Component drawings
Calculation sheet
Instructions
Component drawings
Calculation Calculation book
Parts drawing
Calculation book
(Compilation)V
(Compilation)V
(Verification)V
Professional team leader
(Verification)V
(Verification)V
(Verification)V
(Audit)V
(Note 3)V
(Note 1)V
(Note 2)V
(Note 1 )V
（Note 2）V
(Note 2)V
(Note 2)V
Note: 1. The general drawing and calculation book of the pressure vessel that exceeds the standard and the general drawing and calculation book of the newly developed and designed complex and key special equipment shall also be reviewed and signed by the technical person in charge of the pressure vessel.
2. Only the drawings of important or key components and engineering standards, standard drawings, etc. need to be reviewed. 3. When several equipments form a procurement package, this document shall be prepared by the designated engineer. 1983
Whether the original data, important calculation formulas, methods and calculation results in the calculation book are correct. Whether the selection of materials is reasonable and meets the requirements of design conditions and relevant specifications. Whether the manufacture, installation, maintenance and transportation of the equipment are convenient and feasible. Whether the design documents are complete and the selected standard drawings and reuse drawings are appropriate. Whether the places that have been verified and modified are appropriate.
Whether the design of the pressure vessel complies with the provisions of the "Regulations on Safety Technical Supervision of Pressure Vessels". 4.5 Approval Rules
The approval contents of the three types of pressure vessels and complex key equipment include: 4.5.1 Whether the design implements the relevant national technical guidelines and policies, and whether the structure is practical, technologically advanced, economically reasonable, safe and applicable;
4.5.2 Whether the design meets the requirements of design conditions; 4.5.3 Whether the selection of materials, calculation methods and calculation results of major components are correct; Whether the key technical requirements (including additional technical requirements) to ensure the quality of equipment design are reasonable; 4.5.4
Whether the design of the pressure vessel complies with the provisions of the "Regulations on Safety Technical Supervision of Pressure Vessels". 5 Appendix
Appendix A "Design Document Preparation, Review and Signature Provisions Table 197
Design Document Name
Appendix A
Preliminary Design Document
Engineering Design Provisions
Equipment Schematic Diagram (Equipment Engineering Drawing)
Class III Containers and Complex Key
Special Equipment
Class II Special Equipment
General Special Equipment
Engineering Standards, Procedures Manual||tt ||Standard drawings, general drawings
General technical regulations for equipment
Purchase (inquiry) technical specifications
Or purchase requisition
Design document preparation, review and signature regulations table Professional person in charge
(Preparation) V
(Preparation) V
General and detailed drawings
Calculation sheet
Component drawings
Calculation sheet
Instructions
Component drawings
Calculation Calculation book
Component drawing
Calculation book
(Compilation)V
(Compilation)V
(Verification)V
Professional team leader
(Verification)V
(Verification)V
(Verification)V
(Audit)V
(Note 3)V
(Note 1)V
(Note 2)V
(Note 1 )V
（Note 2）V
(Note 2)V
(Note 2)V
Note: 1. The general drawing and calculation book of the super-standard pressure vessel and the general drawing and calculation book of the newly developed and designed complex and key special equipment shall also be reviewed and signed by the technical person in charge of the pressure vessel.
2. Only the drawings of important or key components and engineering standards, standard drawings, etc. need to be reviewed. 3. When several equipments form a procurement package, this document shall be prepared by the designated engineer. 1983
Whether the original data, important calculation formulas, methods and calculation results in the calculation book are correct. Whether the selection of materials is reasonable and meets the requirements of design conditions and relevant specifications. Whether the manufacture, installation, maintenance and transportation of the equipment are convenient and feasible. Whether the design documents are complete and the selected standard drawings and reuse drawings are appropriate. Whether the places that have been verified and modified are appropriate.
Whether the design of the pressure vessel complies with the provisions of the "Regulations on Safety Technical Supervision of Pressure Vessels". 4.5 Approval Rules
The approval contents of the three types of pressure vessels and complex key equipment include: 4.5.1 Whether the design implements the relevant national technical guidelines and policies, and whether the structure is practical, technologically advanced, economically reasonable, safe and applicable;
4.5.2 Whether the design meets the requirements of design conditions; 4.5.3 Whether the selection of materials, calculation methods and calculation results of major components are correct; Whether the key technical requirements (including additional technical requirements) to ensure the quality of equipment design are reasonable; 4.5.4
Whether the design of the pressure vessel complies with the provisions of the "Regulations on Safety Technical Supervision of Pressure Vessels". 5 Appendix
Appendix A "Design Document Preparation, Review and Signature Provisions Table 197
Design Document Name
Appendix A
Preliminary Design Document
Engineering Design Provisions
Equipment Schematic Diagram (Equipment Engineering Drawing)
Class III Containers and Complex Key
Special Equipment
Class II Special Equipment
General Special Equipment
Engineering Standards, Procedures Manual||tt ||Standard drawings, general drawings
General technical regulations for equipment
Purchase (inquiry) technical specifications
Or purchase requisition
Design document preparation, review and signature regulations table Professional person in charge
(Preparation) V
(Preparation) V
General and detailed drawings
Calculation sheet
Component drawings
Calculation sheet
Instructions
Component drawings
Calculation Calculation book
Component drawing
Calculation book
(Compilation)V
(Compilation)V
(Verification)V
Professional team leader
(Verification)V
(Verification)V
(Verification)V
(Audit)V
(Note 3)V
(Note 1)V
(Note 2)V
(Note 1 )V
（Note 2）V
(Note 2)V
(Note 2)V
Note: 1. The general drawing and calculation book of the super-standard pressure vessel and the general drawing and calculation book of the newly developed and designed complex and key special equipment shall also be reviewed and signed by the technical person in charge of the pressure vessel.
2. Only the drawings of important or key components and engineering standards, standard drawings, etc. need to be reviewed. 3. When several equipments form a procurement package, this document shall be prepared by the designated engineer. 198
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