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DL/T 1966-2019: Maintenance supervision specification for unit of thermal power plant
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Maintenance supervision specification for unit of thermal power plant
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DL/T 1966-2019
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Basic data | Standard ID | DL/T 1966-2019 (DL/T1966-2019) | | Description (Translated English) | Maintenance supervision specification for unit of thermal power plant | | Sector / Industry | Electricity & Power Industry Standard (Recommended) | | Classification of Chinese Standard | F23 | | Classification of International Standard | 27.100 | | Word Count Estimation | 42,472 | | Date of Issue | 2019-06-04 | | Date of Implementation | 2019-10-01 | | Quoted Standard | GB/T 19000 | | Issuing agency(ies) | National Energy Administration | | Summary | This standard specifies the basic requirements for the maintenance and supervision of thermal power plants. This standard is applicable to the supervision activities of the overhaul of coal-fired units in thermal power plants. The overhaul and technical transformation projects of gas turbines, biomass and other generating units can be implemented by reference. | DL/T 1966-2019: Maintenance supervision specification for unit of thermal power plant---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Maintenance supervision specification for unit of thermal power plant
ICS 27.100
F 23
People's Republic of China Electric Power Industry Standard
Supervision Code for Overhaul of Thermal Power Plant Units
Refractory materials for boilers in thermal power plants
2019-06-04 released
2019-10-01 implementation
Issued by National Energy Administration
Table of contents
Foreword...III
1 Scope...1
2 Normative references...1
3 Terms and definitions...1
4 Project supervision agency and its facilities...3
4.1 Basic requirements...3
4.2 Supervisors...3
4.3 Supervision facilities...4
5 Supervision planning and supervision implementation rules...4
5.1 Supervision Planning...4
5.2 Supervision Implementation Rules...4
6 Supervision in the preparatory phase of maintenance...5
7 Supervision during the implementation phase of maintenance...5
7.1 Security Management...5
7.2 Quality control...6
7.3 Progress control...6
7.4 Communication and coordination...7
8 Supervision work at the completion stage of overhaul...7
9 Management of supervision documents...7
9.1 Contents of supervision documents...7
9.2 Filing of supervision documents...8
10 Monitoring, measurement and evaluation...8
10.1 Control of unqualified items...8
10.2 Monitoring and measurement...8
10.3 Evaluation method...8
Appendix A (Normative Appendix) Quality Control Point Setting...10
Appendix B (informative appendix) List of side station plans...29
Appendix C (Informative Appendix) General Forms for Supervision Units...31
Appendix D (informative appendix) Recommended configuration of professional supervision engineers for project supervision agencies...38
Appendix E (informative appendix) Supervision file filing scope and storage period table...39
Appendix F (Informative Appendix) Supervision Project Evaluation Form...40
Foreword
This specification was drafted in accordance with the rules given in GB/T 1.1-2009.
This specification was proposed and managed by the China Electricity Council.
Editor-in-chief of this code. Suzhou Tianhe China Power Engineering Technology Co., Ltd., State Power Investment Corporation Henan Electric Power Co., Ltd.
Division.
Participants in this specification. Shanghai Mucheng Engineering Supervision Co., Ltd., State Power Investment Group Henan Electric Power Co., Ltd. Technical Letter
Information Center, State Power Investment Corporation Henan Electric Power Maintenance Engineering Co., Ltd.
The main drafters of this specification. Li Xin, Li Gang, Zhao Chunyan, Ma Shiye, Xun Min, Yu Shihu, Wang Yusheng, Luo Changbo,
Lin Weikang, Xie Guoqiang, Wang Yuqi.
This specification is released for the first time.
The opinions or suggestions during the implementation of this specification are fed back to the Standardization Management Center of the China Electricity Council (Beijing
No. 1 Ertiao, Baiguang Road, 100761).
Supervision Code for Overhaul of Thermal Power Plant Units
1 Scope
This standard specifies the basic requirements for the overhaul and supervision of units in thermal power plants.
This standard is applicable to the supervision activities for the overhaul of coal-fired units in thermal power plants, the overhaul of gas turbines, biomass and other generating units and the
Technical transformation projects can be implemented by reference.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version
Applies to this document. For undated references, the latest version (including all amendments) applies to this document.
GB/T 19000 Quality Management System Foundation and Terminology
3 Terms and definitions
The following terms and definitions defined in GB/T 19000 apply to this document.
3.1
Client
Organizations that entrust supervision services generally refer to owners or operating units of thermal power plants.
3.2
Maintenance organization
Organizations that undertake the task of overhauling equipment in thermal power plants. Including the maintenance contractor who signed the contract with the client or the client’s self
The department responsible for overhaul tasks.
3.3
Supervision units
Qualified as a corporate legal person, obtained a power engineering supervision enterprise qualification certificate, and engaged in overhaul and supervision of thermal power plant units
Active organization.
3.4
Project supervision organization
The organization appointed by the supervision unit to perform the supervision contract.
3.5
Witness
Professional supervision engineers observe, review, record and confirm activities such as documents, records, entities and processes
for.
3.6
Control point
During the overhaul process, the professional supervision engineer verifies the control points for the quality of overhaul work, which are divided into side stations (S) and stop work.
Inspection point (H), site witness point (W), document witness point (R).
3.7
Key works supervising point
The project supervision agency pre-sets the supervision and control of the key parts of the project or the maintenance supervision and inspection activities of the key process
System point.
3.8
Hold point
After being witnessed and signed by a professional supervision engineer, it can be transferred to the next process, procedure or node and pre-set supervision control
System point.
3.9
Witness point
Pre-set supervision by professional supervision engineers to witness the process, procedures, nodes or results of unit maintenance
Management control points.
3.10
Document witness point record point
The supervision control point set in advance by the professional supervision engineer to witness the related documents, records or reports of the maintenance.
3.11
Parallel testing
On the basis of the self-inspection of the maintenance unit, the project supervision agency shall conduct independent inspections on the same inspection project in accordance with relevant regulations and the agreement in the supervision contract.
Testing activities carried out immediately.
3.12
Daily report of supervision
On-site maintenance report submitted by the supervision agency to the client daily.
3.13
Weekly report of supervision
On-site situation analysis report submitted by the supervision agency to the client every week.
3.14
Non conformance item
Defects in performance, documentation, or procedures that make the quality of an item unacceptable or uncertain.
3.15
Quality requalification
In order to verify that the equipment meets the conditions of re-service testing.
4 Project supervision agency and its facilities
4.1 Basic requirements
4.1.1 The supervision unit shall send a project supervision agency to the maintenance site. The organizational form and scale of the project supervision agency should be based on
It is determined according to the content, time limit, project characteristics, and technical requirements agreed in the supervision contract. Professional supervision engineer of project supervision agency
See Appendix D for the recommended configuration table.
4.1.2 The project supervision agency implements the chief supervision engineer responsibility system.
4.2 Supervisors
4.2.1 Chief Supervisory Engineer
4.2.1.1 The chief supervision engineer shall have the qualification of a registered equipment supervision engineer or a registered supervision engineer, and shall be engaged in at least
5 years and above in production management related to power engineering and maintenance.
4.2.1.2 The chief supervisory engineer shall perform the following duties.
a) According to the contract and the progress of the project, assign professional supervisors, determine the job division of professional supervisors, and coordinate the overall inspection
Repair supervision activities;
b) Preside over the preparation of the overhaul supervision plan, and approve the supervision implementation rules;
c) Organize to study the relevant management documents of the client, organize the review of the relevant implementation documents and propose amendments;
d) Organize regular supervision meetings;
e) Carry out inspections on the maintenance site and follow up major operation activities, check the safety, quality, progress and environment of the operation site,
Notify the supervision situation, put forward opinions or suggestions that are beneficial to the maintenance activities, approve the “Supervision Notice”, and issue the “Stopping
/Resumption of Work Order. See Appendix C for the general form used by the supervision unit;
f) Organize the compilation and issue of "Supervision Daily" and "Supervision Weekly Report", and organize and analyze the controllability of maintenance activities;
g) Participate in and supervise the analysis and handling of major quality issues and the investigation of safety and quality accidents;
h) Coordinate the communication between the supervision unit and the client, the maintenance unit and other related parties;
i) Organize the compilation of the summary of the maintenance supervision work, organize the sorting and filing of supervision documents;
j) Responsible for the assessment and evaluation of the members of the supervision agency.
4.2.2 Chief Supervisory Engineer Representative
4.2.2.1 The chief supervisory engineer representative shall have a registered engineering qualification or have an intermediate or above professional technical title,
Should be engaged in power engineering and maintenance related production management for at least 3 years and have received supervision business training.
4.2.2.2 Perform duties on behalf of the chief management engineer, except for the following duties.
a) Organize the preparation of supervision plans, and approve supervision implementation rules;
b) Assign professional supervisors according to the progress of the project and supervision work;
c) Issuing construction start orders, suspension orders and resumption orders;
d) Review the completion application of the maintenance unit and organize the completion acceptance;
e) Issuing project payment certificates and organizing the review of completion settlement;
f) Mediate contract disputes between the entrusting party and the maintenance unit, and settle claims.
4.2.3 Professional supervision engineer
4.2.3.1 Professional supervision engineers shall have intermediate or above professional technical titles, professional skills and professional qualifications or obtain relevant
Professional supervision engineer qualification; should be engaged in power engineering, maintenance related professional production management work for 2 years or more, and
Supervision business training.
4.2.3.2 The professional supervision engineer shall, under the leadership of the chief supervision engineer, carry out the following supervision within the specified scope of responsibility
jobs.
a) Responsible for the preparation of the supervision and implementation rules of this major;
b) Responsible for the specific implementation of the supervision work of the profession;
c) Responsible for reviewing the professional content in the maintenance package and work instruction, and putting forward review opinions;
d) Review the organization measures, safety measures, quality measures and technical plans submitted by the inspection and maintenance unit that involve the profession;
e) Check and confirm the basic maintenance conditions, including implementation documents, operator qualifications, maintenance materials, tools and equipment,
Full protection facilities, working environment, etc.;
f) Follow up the process of overhaul operations, supervise and accept pre-set control points, check the safety and quality of the work site
Quantity and progress. See Appendix A for the setting of quality control points;
g) Analyze on-site safety, quality and progress, and issue supervision notices for violations of relevant management regulations;
h) Compile the supervision log of this major, participate in the compilation of supervision daily report and supervision weekly report;
i) Collect, sort out and summarize the supervision documents of the profession.
4.3 Supervision facilities
4.3.1 The client shall provide the supervision agency with office, transportation, information and other facilities required by the work according to the contract. Supervision Machine
The agency shall properly use and keep the facilities provided by the client.
4.3.2 The supervision unit shall be equipped with office equipment, testing equipment and tools that meet the work needs according to the contract.
5 Supervision planning and supervision implementation rules
5.1 Supervision planning
5.1.1 The supervision plan should be presided over by the chief supervision engineer, and the professional supervision engineer should participate in the preparation. The supervision plan can be signed
The preparation of the contract begins after the contract is completed, and it must be reviewed and approved by the technical person in charge of the supervision unit after completion, and reported to the client before the start of construction.
5.1.2 The supervision plan shall mainly include the following contents.
a) Project overview;
b) Supervision work scope, content and objectives;
c) Basis for supervision work;
d) Supervision work methods and control measures;
e) Organizational form, staffing plan and job responsibilities of the supervision agency;
f) Supervision work system;
g) Supervision work management procedures;
h) Supervision of safe production and civilized construction management;
i) Supervision facilities.
5.2 Supervision Implementation Rules
5.2.1 The supervision implementation rules should be prepared by a professional supervision engineer before the corresponding project starts, and should be reported to the chief supervision engineer for review
Batch.
5.2.2 The supervision implementation rules shall mainly include the following contents.
a) Compilation purpose and basis;
b) Features, difficulties and weaknesses of professional projects;
c) The focus of professional supervision;
d) Professional supervision work process;
e) Key points and objectives of supervision control;
f) Supervision work methods and measures;
g) Methods of special construction plan review and on-site safety management of sub-projects with greater risk;
h) Mandatory provisions implementation inspection plan;
i) Supervision side site. See Appendix B for the list of side station plans.
6 Supervision work during the preparatory phase of maintenance
6.1 Review the integrity of the maintenance items within the entrusted scope.
6.2 Review the qualifications of maintenance units, key management personnel and special operation personnel. Supervise the establishment of the project department of the maintenance unit
Improve the safety and quality management system.
6.3 Review the qualifications of professional subcontractors.
6.4 Review the maintenance task list. Including defects before repair, main repair items, and technical requirements that should be achieved after repair.
6.5 The review of maintenance operation documents shall mainly include the following contents.
a) Check list of maintenance work documents and participate in drawing meeting;
b) Review the analysis of dangerous points. Including risk analysis and safety precautions;
c) Preparation checklist of maintenance resources. Including the preparation list of tools and equipment, the preparation list of spare parts and the preparation of consumable materials
Lists and personnel preparation lists, etc.;
d) Quality plan and maintenance procedures, focusing on reviewing the compatibility with the maintenance task list and the reasonableness of quality control points
Sex and consistency. The setting of control points includes but is not limited to the contents of Appendix B;
e) Templates for inspection report, non-conformance report, quality re-appraisal, technical (test) record sheet and other documents.
6.6 Review the organization measures, safety measures, technical measures and construction plans of the maintenance unit.
6.7 Participating principals shall make technical clarifications to the maintenance unit; the design unit shall clarify the design of the technical transformation project of the maintenance unit.
6.8 Review the starting conditions of the maintenance project.
7 Supervision work during the implementation phase of maintenance
7.1 Security Management
7.1.1 Check whether the safety management system of the project department of the maintenance unit is operating normally and effectively.
7.1.2 Check the implementation of safety production laws, regulations and mandatory standards and safety production measures by the maintenance unit
supervised check.
7.1.3 Check the compliance of the special equipment and special operation personnel of the maintenance unit.
7.1.4 Check the implementation of safe and civilized construction measures by the maintenance unit.
7.1.5 For projects that are more dangerous than a certain scale, the maintenance unit shall organize an expert demonstration meeting for special implementation.
Demonstration of the work plan. The special construction plan before the expert argumentation shall pass the review of the maintenance unit and the review by the chief supervisory engineer.
Check the implementation of the more dangerous special maintenance plan.
7.1.6 Follow up and supervise the safety management of the cross-operation of the maintenance process.
7.1.7 When unsafe factors and hidden safety hazards are discovered, the maintenance unit shall be required to take measures to rectify. Discover major safety hazards
When the handling is delayed or rectification is refused, the maintenance unit shall be required to suspend construction and report to the client.
7.1.8 When a production safety incident occurs, the client shall be assisted in the investigation and handling.
7.2 Quality control
7.2.1 Check whether the quality management system of the project department of the maintenance unit is operating normally and effectively.
7.2.2 Review the quality certification documents of equipment, spare parts and materials, and sample the quality of incoming materials.
7.2.3 Examine the certification materials and use evaluation of new processes, new technologies, new materials and new equipment submitted by the inspection and maintenance unit
report.
7.2.4 Check the periodic inspection certification documents of the measurement and testing equipment of the maintenance unit.
7.2.5 Professional supervision engineers shall conduct inspections on the quality of maintenance. Perform side-by-side supervision according to the side-by-side plan and witness points for documents
(R), on-site witness point (W), shutdown pending inspection point (H) for inspection and witness.
7.2.6 The professional supervision engineer shall carry out the acceptance inspection of the concealed project and provide acceptance opinions.
7.2.7 If quality problems are found during the maintenance process, a supervision notice shall be issued to request the maintenance unit to make rectification.
7.2.8 There are hidden dangers of major quality incidents or quality incidents during the overhaul, the chief supervisory engineer shall issue a work stoppage order and require
The maintenance unit stopped work for rectification.
7.2.9 When non-conforming items are found, the overhaul unit shall be supervised and handled in accordance with the relevant management regulations of the client. Meet one of the following conditions
The non-conformity report form should be filled out.
a) The materials and parts installed on the equipment/system do not conform to the design, procurement or contract technical specifications. Parts or
The equipment cannot be installed in accordance with the approved drawings and specifications;
b) Materials, parts, equipment, systems or structures have been damaged or are working in conditions beyond the design conditions;
c) Abnormal wear and corrosion of components;
d) Spare parts or processed parts have materials that do not match the design materials or are out of tolerance;
e) Use abnormal maintenance methods to damage equipment parts or damage the integrity of equipment;
f) The technical data during the installation of equipment components exceeds the standards specified in the maintenance documents;
g) Damage to equipment parts due to improper maintenance operations.
7.2.10 Participate in the quality re-appraisal of the maintenance project.
7.2.11 When a quality incident occurs, the client shall be assisted in the investigation and handling.
7.3 Progress control
7.3.1 Review the project schedule of the maintenance unit, including the compliance, completeness, and feasibility of the schedule with the contract duration
Sex.
7.3.2 Establish progress monitoring and control procedures, including progress information collection and transmission, inspection time and frequency.
7.3.3 Determine the objects of the schedule plan inspection, and focus on the key lines, nodes and processes to be monitored.
7.3.4 Implement dynamic inspection of project progress, check the actual progress of the project and analyze the effect of implementation.
7.3.5 If progress deviation is found, the maintenance unit shall be required to take adjustment measures and supervise the implementation. Found that the progress is seriously lagging behind, should
Issue a supervision notice, request the maintenance unit to adjust the schedule, supervise the rectification and report the risk of construction delay to the client.
7.4 Communication and coordination
7.4.1 The supervision agency shall maintain effective communication and coordination between the client and the maintenance unit during the maintenance process to ensure maintenance activities
Carry out normally.
7.4.2 Coordination includes coordination within the supervision organization, coordination between the supervision organization and the client and maintenance unit.
8 Supervision work at the completion stage of maintenance
8.1 Check whether the maintenance project has been completed, whether all maintenance document packages have been closed, and complete the completion acceptance work.
8.2 Hand over supervision materials to the entrusting party, hand over supervision facilities, and track and supervise the handling of remaining defects by the maintenance unit.
9 Management of supervision documents
9.1 Contents of supervision documents
9.1.1 The supervision documents should mainly include the following.
a) Supervision contract and other contract documents;
b) Supervision planning and supervision implementation rules;
c) Chief management engineer appointment letter;
d) Supervisory review records of submitted documents;
e) Commencement order, suspension order, and resumption order;
f) Supervision notice (response form), work contact form;
g) Meeting minutes;
h) Correspondence;
i) Quality accident handling documents;
j) Claim documents;
k) Non-conformity report;
l) Supervision log, supervision daily report, and supervision weekly report;
m) Inspection and acceptance supervision documents for the completion of the maintenance project;
n) Summary of supervision work.
9.1.2 The supervision report shall mainly include the following contents.
a) Project dynamics;
b) Supervision process notification, mainly including. safety management, quality control, progress control issues and requirements;
c) Statistics of supervision work, mainly including witnesses, inspections, parallel inspections, etc.;
d) Supervision focus and supervision tips;
e) Supervision dynamics, including meetings, work contacts, coordination, etc.
9.1.3 The supervision weekly report shall mainly include the following contents.
a) One-week project dynamic analysis;
b) One week of key notification during the supervision process;
c) Statistical analysis of supervision work situation data in one week;
d) One week of good practice and experience feedback;
e) One-week supervision dynamics;
f) The focus of supervision work next week.
9.1.4 The summary of supervision work shall mainly include the following contents.
a) Project overview;
b) Project supervision agency;
c) The performance of the maintenance supervision contract;
d) Supervision work effectiveness;
e) Problems found in the supervision work and their handling;
f) Description of the remaining problems of maintenance;
g) Supervision suggestions.
9.2 Filing of supervision documents
9.2.1 The project supervision agency shall establish and improve the management system of supervision documents and materials, and it is advisable to use information technology to car...
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