Corrosion control engineering life cycle - General requirements
1 Scope
This document specifies the general requirements for control elements in the life cycle of corrosion control engineering.
It is applicable to all types of corrosion control engineering programs.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
corrosion control engineering life cycle
all links involving the the selection of corrosion control materials and technologies, the design, construction, inspection, evaluation and maintenance of system engineering during the process from the identification of corrosion source (3.2) to the control of corrosion behavior
Note 1: Corrosion is a process in which the existing things in nature interact with the corresponding environment to change their original properties.
Note 2: Engineering is a process in which many related factors are integrated into a corresponding existence through the orderly and effective integration of science and technology. Engineering in the world is divided into natural engineering, artificial engineering and engineering formed by natural and artificial combination.
3.2
corrosion source
general term for various factors that may cause corrosion
3.3
optimum benefit
optimal state of comprehensive consideration based on coordinated control and optimal selection
3.4
element
all factors that affect the optimum benefit (3.3) of the whole life cycle (3.1) of corrosion control engineering
3.5
components
any sub-part, assembly, portion, process that is a part of, or contributes to the final assembly
3.6
green plan
green measures taking comprehensive consideration to reduce resource consumption, production and recovery of engineering wastes and other known related factors. for environmental protection, resource consumption, engineering waste disposal and recycling
4 General Principles
4.1 This document defines the general requirements of all factors involved in the whole life cycle of corrosion control engineering, as well as regulates all the elements like the objectives, corrosion sources, materials, technology, design, research and development, manufacturing, construction, storage and transportation, installation and commissioning, acceptance, operation, maintenance, repair, scrapping and disposal, documents and records, resource management, comprehensive assessments, etc. This document is specified to meet overall, systematic, coordinated, and optimized principles, and to achieve the optimum benefits (see 5.1) of economy on the basis of ensuring human health, people's life and property safety, national security and ecological environment safety (hereinafter referred to as safety).
4.2 This document does not formulate corresponding specific professional technology, professional management standards, specifications and test methods which are in relation to the links, nodes and elements;
4.3 All components during the corrosion control process shall be identified and have corresponding procedures.
5 Objective
5.1 Corrosion control engineering efforts shall aim at improving the integrity, systematization, mutual coordination and optimization of the main life cycle, so that corrosion can be effectively controlled, and to achieve the optimum benefits of safety, economy, long-term operation and environmental protection.
5.2 Corrosion control engineering objective (see 5.1) shall be implemented in all elements of the life cycle, and they shall be communicated, implemented, and maintained. The objectives shall be regularly reviewed and improved to ensure the service life of the corrosion control engineering shall be consistent with the life cycle of the main program.
6 Corrosion sources
6.1 Corrosion sources shall include the followings:
a) Internal corrosion sources For example, the corrosion by internal medium;
b) External corrosion sources. For example, the corrosion by external environment.
6.2 All the corrosion sources shall be found out systematically, comprehensively and accurately according to the life cycle requirements of the main program, including new corrosion sources developed during the construction processes
6.3 Identifying the corrosion source should take into consideration the working conditions of the main program and corrosion control engineering effort.
6.4 The corrosion source shall be subject to the acceptance of the corresponding procedures to prevent omission or wrong judgment.
7 Materials
7.1 Select the optimal corrosion-resistant materials that achieved the optimum benefits regarding safety, economy, long-term operation and environmental protection.
Note: For the requirements of atmospheric corrosion, refer ISO 11303.
7.2 The selected materials shall have the corresponding inspection standards, etc.as the basis.
Note: For the requirements of corrosion of metals and alloys, refer to ISO 6509-1.
7.3 The selected materials shall have corresponding specific achievements and supporting implementation cases as references to ensure that they shall be adapted to other elements, links and nodes and meet the requirements of the main program.
7.4 The selected materials shall be optimized in coordination with other elements in the program.
7.5 The selected materials shall be subject to the acceptance of the corresponding procedures and shall be documented and archived.
8 Technology
8.1 The appropriate technique or multiple techniques including but not limited to, electrochemical protection, corrosion inhibitor, or other etc. shall be used in implemented for the corrosion control according to the different corrosion prevention goals degree of the main program.
Note: For the requirements of cathodic protection, refer to ISO 12696.
8.2 The selected technologies shall consider the influence of other elements and shall be optimized in coordination with other elements, and achieve the optimum benefits of safety, economy, long-term operation and environmental protection.
8.3 There shall be corresponding technical standards or inspection methods for adapted technology.
8.4 The selected corrosion control technologies shall have corresponding specific achievements and supporting implementation cases under the condition of meeting the requirements of the main program.
8.5 The selected technologies shall be subject to the verification of the corresponding procedures, meet the requirements of the main program, be documented and archived.
9 Design
9.1 All elements, links, nodes and corresponding corrosion risks in the entire life cycle of the corrosion control engineering shall be systematically designed.
9.2 The overall design shall take into account the integrity, systematization, mutual coordination and optimization in the entire life cycle of corrosion control engineering and make all components optimized to work in conjunction with each other, coordinate with each other and support with each other.
9.3 Green plans shall be part of the design and be implemented.
9.4 The applicability of the design system shall be evaluated in accordance with the objectives of safety, economy, long life cycle operation and environmental protection, and the design system shall be improved constantly to meet the requirements of the main program.
9.5 The design documents shall be reviewed in accordance with certain procedures and shall be documented.
10 Research and development
10.1 All elements, links and nodes in the entire life cycle of corrosion control engineering program shall be continuously studied, improved and developed in the implementation process to achieve the optimum benefits of safety, economy, long-term operation and environmental protection.
10.2 The entire research and development process shall be carried out in accordance with certain procedures and the principle of scientific, technical and economical shall be maintained.
10.3 Establish data documentation for all research and development programs with traceability.
11 Manufacturing
11.1 Select the optimal corrosion-resistant items to be manufactured to achieve the optimum benefits of safety, economy, long-term operation and environmental protection.
11.2 On the premise of meeting the requirements of the main program, optimal manufacturing shall be optimized, coordinated and supported with other components.
11.3 Component manufacturing shall be based on the corresponding standard that provides the optimum cost-effective construction.
Note: For the requirements of plastics piping systems, refer to ISO 15876-2.
11.4 Evaluate past cases and performance to determine if it meets the requirements of the main program.
11.5 All manufacturing and process shall be subject to the acceptance of the corresponding procedures and record the archive.
12 Construction
12.1 Construction shall follow the corresponding and adequate conditions to achieve the optimum benefits of safety, economy, long-term operation and environmental protection.
12.2 The selected optimal construction shall have corresponding standards and regulations as the basis.
Note: For the construction requirements of thermal spraying materials, refer to ISO 2063-1.
12.3 The past performance and implementation cases of optimal construction approaches shall be examined.
12.4 The construction shall be subject to the acceptance of the corresponding procedures and record the archive.
