1 Maintenance principle
1.1 Line and equipment maintenance is one of the key contents of production management. Production management departments and operation and maintenance units at all levels must strengthen the maintenance management of lines and equipment, conscientiously carry out maintenance work, and keep the lines and equipment in a healthy state.
1.2 Line and equipment maintenance, we must implement the "prevention-oriented" policy, so that "should be repaired, repairs must be repaired."
1.3 Line and equipment maintenance should be carried out in a combination of power outages and live working, and gradually reduce the number of power outages and repairs, and improve the availability of lines and equipment.
1.4 Line and equipment maintenance, priority should be given to the use of advanced technology, methods and maintenance tools, efforts to improve the quality of maintenance, shorten the maintenance period, ensure the safety of maintenance work, and try to improve the transmission capacity, service life and safe operation level of the line.
2 Maintenance plan management
2.1 The operation and maintenance unit shall determine the planned maintenance items for the next year according to the health status of the line, inspection, inspection results, maintenance period and anti-accident measures.
2.2 The operation and maintenance unit shall submit the annual line and equipment overhaul project in the end of November each year, and the production department of the newspaper office shall be compiled into the annual overhaul plan after review. The plan is to strive for comprehensive, accurate and non-missing projects.
2.3 The production management department shall sort out the adjusted and balanced overhaul plan and implement it after being reviewed and filed by the higher authorities.
2.4 The operation and maintenance unit shall prepare a monthly maintenance plan according to the annual change and overhaul plan issued by the examination and approval, and shall carefully carry out various maintenance preparations and strictly follow the plan.
2.5 After the maintenance plan is issued, each operation and maintenance unit shall carefully complete the various maintenance preparations and strictly follow the plan. It shall not be changed arbitrarily without the approval of the competent department.
2.6 After the completion of the overhaul project, the construction unit will compile the completion report, final account and completion plan within 20 days, and report to the production department for review.
2.7 Overhaul of distribution transformers and switches can be determined according to the operating conditions and pre-test results.
2.8 power outage maintenance management
1) The monthly power outage maintenance plan is proposed by the operation and maintenance unit in advance, and is dispatched by the dispatching department after approval by the competent production leader.
2) There should be a special person responsible for stopping the power connection during the power failure maintenance and logging in detail in the logbook of the power transmission and contact.
2.9 Overhaul project acceptance
1) Line and equipment overhaul and alteration works must be checked and accepted according to relevant regulations, and relevant personnel should carry out intermediate acceptance and completion acceptance.
2) Acceptance of overhaul projects, line overhaul is organized and accepted by the production department. Before the acceptance, the construction unit and the production department shall make all preparations. After the acceptance, the inspection and acceptance personnel shall make an evaluation and appraisal.
2.10 Prepare an anti-pollution flash plan based on the contamination of 10KV lines, actively implement the anti-pollution flash plan and supervise its implementation.
3 overhaul quality management
3.1 It is necessary to establish a post responsibility system and an operation quality supervision and inspection system for the maintenance work, and earnestly implement the work ticket system and the guardianship system, and timely carry out the inspection records and the statistical work of live working.
3.2 Large-scale overhaul and large-scale technical transformation projects shall be completed in accordance with the project management procedures. Construction operations must prepare “standardized operation instructions†to clarify safety measures, construction methods and quality standards, and implement them carefully after approval.
3.3 Outsourcing engineering projects for large-scale overhaul and large-scale technical transformation shall implement the bidding system, formally sign the construction contract or agreement, and conscientiously do a good job in quality supervision, intermediate acceptance and completion acceptance.
3.4 Equipment materials and parts used in maintenance work must be selected from products of acceptable quality and technical performance.
3.5 Operators engaged in live working, welding, wire crimping, etc. must be trained in special technical training, pass the examination, and hold the corresponding qualification certificate before they can be put into operation.
3.6 In-depth inspection of the site, solve technical problems on site, and supervise the quality of maintenance.
3.7 Responsible for overhaul and change the construction design and technical management of the project.
3.8 Strictly implement the defect management system for the defects eliminated in the inspection and achieve closed-loop management.
4 Spare parts and tools management
1 The operation and maintenance unit should prepare enough spare parts and spare parts.
2 Spare parts and spare parts should be stored in special warehouses, single independent accounts, and special shelves. There are signs, cards, and storage accounts, and the accounts, cards, and objects should be matched. Spare parts and spare parts should be kept for a long period of time, regularly replaced, replenished and maintained, and inspected and tested on schedule.
3 Only one type of interchangeable general-purpose spare parts are available.
4 When the spare parts are put into storage, they shall be checked and accepted, and the library acceptance card shall be filled in, signed by the responsible acceptance person, and stored together with the physical objects. Qualifications of the processing drawings and the manufacturer's tests and all relevant information shall be properly kept by the equipment manager, and unqualified spare parts shall not be placed in the warehouse.
5 Storage of spare parts and spare parts should pay attention to the effects of temperature, humidity and sunlight. For spare parts that need to be preserved by special methods, the production department shall propose storage measures and technical requirements for proper storage. Metal products must be regularly rust-proof and anti-corrosion work.
6 The use of spare parts and spare parts must be approved by the production director to prevent improper use.
7 After the spare parts and spare parts are used, they should be replenished in time to maintain the original reserve.
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