JP5402328B2 - Large-scale inspection support system - Google Patents

Description

  The present invention relates to a system that supports continuous inspection in a facility having a large number of inspection devices such as a power plant.

  At nuclear power plants, apart from daily maintenance inspections, large-scale inspections are regularly conducted. Specifically, under the current laws and regulations, the operation of the power plant is stopped once every 13 to 24 months, and inspections are performed all at once during the stop period. At that time, inspections of pipes, valves, pumps and many other devices are performed. Depending on the scale of the power plant and the details of the inspection, the number of inspection devices exceeds 10,000, and work convened temporarily. There are thousands of people, and work usually takes 60 to 80 days. Regular large-scale inspections are also carried out at power plants such as thermal power plants.

  In such a large-scale inspection, even if inspections are performed all at once, the inspection cycle and the service life of each device and member are different, so not every type of inspection is performed on every device. For this reason, it is necessary to select what inspection should be performed for which equipment.

  Further, it is difficult to inspect the power plant because it is necessary to operate a plurality of other devices (hereinafter referred to as “safety measures”) in order to inspect a certain device safely. For example, when a certain pump is to be inspected, the valve cannot be inspected without closing the valves before and after the pump and draining water. In addition, when trying to check a valve, it is not possible to check it without closing the valve next to it. Even if you want to check the operation of the pump in such a case, you cannot pass water unless the inspection of the valve is complete. In this way, it is necessary to develop a plan for the accompanying safety measures for a large number of devices while considering the procedure and setup.

  Therefore, the maintenance team in charge of equipment inspection creates a work permission application form (hereinafter referred to as “PTW (Permit to Work)”) that describes the target equipment and safety measures, and the duty team in charge of equipment operation is safe. The division of labor is attempted by examining the treatment and operating the equipment. As a result, a reliable inspection without mistakes was carried out.

  Conventionally, various studies have been made on systems that support large-scale inspections. For example, Patent Literature 1 discloses a maintenance inspection management unit that sends inspection items to a terminal device and receives inspection result data transmitted from the terminal device, a timing determination unit, and a sensor or television camera that collects state information at that timing. And an inspection result storage unit that stores inspection result data and images in association with each other. According to Patent Document 1, maintenance and inspection work can be supported, and inspection result data can be easily acquired.

JP 2007-149070 A

  However, since the number of devices is large, it may take time to create a PTW by the maintenance team. For this reason, the shift team sometimes had to perform a review in a short period of time. One of the reasons why it takes a long time to create a PTW is that the inspection equipment is slightly different each time, and therefore it is necessary to newly construct the inspection equipment and the associated safety measures each time.

  On the other hand, since there are safety measures that must be performed every time, it is considered that there is a part that can be standardized. However, even the maintenance team is actually subdivided into technical fields, such as mechanical systems that handle pumps, valves, piping, etc., electrical equipment systems that handle motors and power supplies, and measurement controls that handle instruments and control equipment. It is divided into systems. Since maintenance teams in each technical field individually create PTWs, it was difficult to comprehensively formulate a large-scale inspection as a whole.

  In addition, since maintenance teams in each technical field (mechanical system, electrical equipment system, measurement control system) create PTWs, there are often cases where safety measures for a certain device overlap. As a specific example, it is assumed that a certain valve is closed for inspection of a meter, closed for inspection of a pump, and closed for inspection of an electric motor. In this case, even if an attempt is made to open the valve for checking the operation of the pump, the valve cannot be opened unless the inspection work of other equipment is completed.

  Conventionally, an identification tag is created for each PTW applied by the maintenance team (for each technical field), and a plurality of tags are attached to the valve to prevent erroneous operation. The tag describes the necessary safety measures applied by each maintenance team, and the tag is removed at the same time as the safety measures are restored. This ensures reliable operation, but because PTW is filed for each technical field, it is difficult to grasp the progress of recovery of safety measures for various devices on the document. I had to check which tags of the maintenance team were left or removed. For this reason, the duty of the duty team was large when proceeding with the inspection work.

  In the above-mentioned Patent Document 1, there is a possibility that the presenting of items to the worker and the data collection for the already established inspection items may be made more efficient, but this does not support the determination of inspection devices and safety measures.

  Therefore, the present invention is a large-scale system capable of improving the efficiency of determination of inspection devices and the associated safety measures, and comprehensively grasping the progress in facilities with a large number of inspection devices such as power plants. The purpose is to provide an inspection support system.

In order to solve the above-mentioned problem, a typical configuration of a large-scale inspection support system according to the present invention is another one or more performed for safely inspecting a device in association with the device ID of the device that can be the object of inspection. Total device table storing safety treatment IDs for operations of multiple devices, inspection device extraction unit for extracting devices to be inspected from the total device table, and inspection for outputting a list of devices extracted by the inspection device extraction unit Total safety based on the device list output unit, the total safety treatment table storing specific treatment contents in association with the treatment ID of the safety treatment, and the treatment ID associated with the device ID of the device extracted by the inspection device extraction unit and safety measures extracting section for acquiring safety measures by referring to the treatment table, and a safety treatment list output unit for outputting a list of safety measures that safety measures extracting unit obtains, large step inspection And a common safety treatment table storing one or a plurality of safety treatment action IDs associated with the large process ID, a large process extraction unit for extracting a large process to be executed from the common safety treatment table, and a large process extraction unit A large process list output unit that outputs a list of large processes extracted by the safety process extraction unit, the safety process extraction unit extracts the treatment ID associated with the device ID of the device extracted by the inspection device extraction unit, and the large process extraction unit extracts Based on the treatment ID associated with the large process ID, the safety treatment table is obtained by referring to the total safety treatment table, and the treatment ID corresponding to the device ID of the device extracted by the inspection device extraction unit is summed up. acquired by referring to the device table, after it acquired by referring to the common safety measures table treatment ID corresponding to a large step of the large-step extraction unit and extracted, Rukoto to eliminate action ID duplicate Large-scale inspection support system according to claim.

According to the above configuration, when an inspection device is extracted from the total device table, a safety measure associated with the inspection of the device can be automatically acquired. Therefore, the list of inspection devices and the list of safety measures can be output simply and efficiently. In addition, since the safety measures are not performed redundantly by a plurality of PTWs as in the prior art, a comprehensive safety treatment list can be obtained, so that the current progress can be centrally managed. Further, since the progress of the large-scale inspection can be grasped in a large process, all persons involved in the inspection can easily grasp the progress. Furthermore, when safety measures are overlapped due to inspection of a plurality of devices, and when safety measures are overlapped with a large process, the overlapped safety measures are deleted after all safety measures are acquired. As a result, a simple safety treatment list can be output, and the browsing and workability of the safety treatment list can be improved.

  In the total device table, a piping system or an electrical system to which the device belongs is stored in association with each device, and the inspection device extraction unit may extract a device to be inspected for each piping system or electrical system.

  In the power plant, each device can be classified into a system according to the connection state. In other words, regardless of the type of device, a series (a group) of devices connected to each other, in other words, a series of devices having operational dependencies can be classified as a system. Therefore, by outputting the inspection device list and the safety measure list for each piping system or electrical system, it is possible to make these simple and easy to grasp and handle.

  A maintenance table that stores at least one of the inspection cycle, inspection results, and next inspection schedule of equipment that can be inspected is provided, and the inspection equipment extraction unit refers to the total equipment table and the maintenance table to check the equipment to be inspected. It may be extracted.

  Thereby, the apparatus which should be checked this time can be acquired collectively, and the selection of an apparatus can be made very simple. Further, it is desirable that the inspection device extraction unit causes the operator to select an additional device to be inspected.

  In the total device table, the ID of a large process including a safety measure associated with the inspection of a certain device is stored in association with the device ID of the device instead of the safety measure treatment ID. You may acquire treatment ID acquired from the apparatus table, and treatment ID linked | related with large process ID acquired from the total apparatus table.

  That is, when a safety measure accompanying an inspection of a certain device is performed along with a large process, the treatment ID is not stored in the total device table. In other words, it is possible to reduce the trouble of extracting or selecting a safety procedure that accompanies a large process as a procedure that is always performed. As a result, the labor for accumulating data can be reduced.

  According to the present invention, in a facility having a large number of inspection devices such as a power plant, it is possible to improve the efficiency of determination of inspection devices and the associated safety measures and to comprehensively grasp the progress. A scale inspection support system can be provided.

It is a figure which shows the structural example of a nuclear power plant. It is a block diagram which shows the structure of the large-scale inspection assistance system concerning embodiment. It is a figure which shows the example of a total apparatus table. It is a flowchart explaining operation | movement of an inspection apparatus extraction part. It is a figure which shows the example of a common safety treatment table. It is a figure which shows the example of a total safety treatment table.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The dimensions, materials, and other specific numerical values shown in the embodiments are merely examples for facilitating understanding of the invention, and do not limit the present invention unless otherwise specified. In the present specification and drawings, elements having substantially the same function and configuration are denoted by the same reference numerals, and redundant description is omitted, and elements not directly related to the present invention are not illustrated. To do.

  FIG. 1 is a diagram illustrating a configuration example of a nuclear power plant. In the nuclear power plant 10 shown in FIG. 1, a plurality of circulation systems (piping systems) are configured starting from the reactor pressure vessel 12. For example, a steam system 14 for introducing steam generated in a nuclear reactor into a turbine, a control rod drive system 16, a reactor isolation cooling system 18, a residual heat removal system 20, a high pressure core water injection system 22, a suppression pool purification system 24, There are a fuel pool purification system 26, a reactor coolant purification system 28, a boric acid water injection system 30, and the like. Also, for reliable operation, most systems are provided with a plurality. As described above, when a plurality of pipes and devices are provided, conventionally, PTWs have been created for each technical field of devices (for example, mechanical systems, electrical device systems, measurement control systems, etc.). On the other hand, in this embodiment, as will be described later, an inspection device list and a safety measure list are output for each piping system or electrical system.

  FIG. 2 is a block diagram illustrating a configuration of the large-scale inspection support system 100 according to the embodiment. In this embodiment, the large-scale inspection support system 100 includes a total device table 102, a common safety treatment table 104, a total safety treatment table 106, an inspection device extraction unit 112, an inspection device list output unit 114, a large process extraction unit 122, a large process. A list output unit 124, a safety measure extraction unit 132, and a safety measure list output unit 134 are provided.

  The total device table 102, the common safety action table 104, and the total safety action table 106 are databases in which data is stored in advance. However, content can be added or updated as appropriate by an input means (not shown).

  The inspection device list 202 generated by the inspection device extraction unit 112, the large process list 204 generated by the large process extraction unit 122, and the safety treatment list 206 generated by the safety treatment extraction unit 132 are included in the large-scale inspection support system 100 in advance. It is not dynamically generated, but dynamically generated data according to the operation of the system.

  FIG. 3 is a diagram illustrating an example of the total device table 102. As shown in FIG. 3A, the total device table 102 stores various data in association with device IDs for all devices that can be inspected. The term “all devices” here refers to devices managed in the present system and the entire devices constituting the plant. As data items, first, the device name and inspection type are stored. Here, even if the devices are the same, if the inspection type is different, the content of the safety measure is different, so it is preferable to use a separate record. Further, in order to construct a safety treatment list, a treatment ID of one or a plurality of safety measures or a large process ID including the safety measures is stored.

  In addition, in order to extract a device for each system or to narrow down as a selection candidate, a system (a piping system or an electrical system) to which the device belongs is associated and stored. Here, the system is a classification of each device according to the connection state, and a series (a group) of devices connected to each other, regardless of the type of device (pipe, pump, valve, power supply, etc.) It is a system. In other words, the system is a series of devices that are dependent on device operation. In particular, the piping system is a device related to piping for circulating a certain fluid, and the electrical system here refers to a series of power supply devices and control devices not involved in the piping. Further, the total device table 102 stores the inspection cycle, the inspection results, the next inspection schedule, etc. in order to collectively extract the devices to be inspected this time.

  FIG. 3B is a diagram for explaining the relationship between the device to be inspected and the safety measures. In the example of FIG. 3B, when the pump A is an inspection target device, as a safety measure, the pump A_operation switch is turned off, the pump A_power is turned off, the pump A_inlet valve is fully closed, and the pump A_ Fully close the outlet valve and fully open the pump A_drain valve. Thus, when inspecting one device, it is often necessary to perform a plurality of safety measures. As described above, the safety treatment is composed of a combination of the device to be treated and the content (operation) of the safety treatment.

  The inspection device extraction unit 112 extracts devices to be inspected from the total device table 102 and generates an inspection device list 202. The inspection device extraction unit 112 operates according to the operation and input of the operator (operator).

  FIG. 4 is a flowchart for explaining the operation of the inspection device extraction unit 112. First, in S102, the inspection device extraction unit 112 narrows down the records using the system item. As a result, only devices of one system (see FIG. 1) are targeted.

  Next, in S104, the inspection device extraction unit 112 extracts the device to be checked this time in consideration of the past inspection results and the inspection cycle of the device. As described above, by selecting the devices to be inspected at this time using the inspection cycle or the like, the selection of the devices can be made extremely simple.

  The inspection results include temporary inspections, repairs and replacements. The items scheduled for the next inspection can be automatically updated by adding the inspection cycle when the actual results of the temporary inspection, repair, and replacement are input. In addition, the operator can manually input the next scheduled inspection value at an arbitrary timing. Thereby, for example, when a trouble that does not require urgentness is found in daily inspection, it is possible to schedule inspection in the latest large-scale inspection.

  Note that either of the above S102 and S104 may be performed first, or extraction may be performed simultaneously. As a specific example, an operator may select a system (piping system or electrical system), obtain an inspection time from the current time, create one SQL command, and execute a query on the total device table 102. Good.

  Further, in S106, the inspection device extraction unit 112 may cause the operator to select an arbitrary device and add or delete the device according to the operation input. Thereby, flexible operation can be performed. At this time, it is preferable for the operator to display and present the current selection state in a list of devices narrowed down by the system (not narrowed down by the inspection cycle).

  In S108, the inspection device extraction unit 112 generates the inspection device list 202 in which the devices extracted or selected as described above are stored. The inspection device list 202 only needs to include at least a device ID, a device name, an inspection type, a treatment ID, or a large process ID. All items included in the total device table 102 may be included, but an inspection cycle or the like is not necessary.

  The inspection device list output unit 114 refers to the inspection device list 202 and outputs a list of devices extracted by the inspection device extraction unit 112. Note that the list to be output only needs to include information necessary for the operator, and therefore, at least the system, the device name, and the inspection type may be included. Specific examples of output by the inspection device list output unit 114 include screen display by a monitor and printed matter by a printer. Moreover, you may display on the browser screen etc. of a terminal by transmitting list data via a network.

  FIG. 5 is a diagram illustrating an example of the common safety measure table 104. As shown in FIG. 5, the common safety measure table 104 is a database based on large processes that categorizes large-scale inspections as a whole, and associates large process IDs with large process names and the execution of the large processes. The treatment ID of one or a plurality of safety measures is stored. The large process is an item indicating an outline of the overall progress stage of the large-scale inspection, and can be configured, for example, as preparation, draining, inspection work, system configuration, water filling, and confirmation test. A safety measure associated with a large process is a collection of safety measures that must be performed when the large process is performed, and is a standardized safety measure.

  Since the large process is general, there is almost no difference in every large-scale inspection, but the safety measures associated with the implementation of the large process differ depending on the work contents. Therefore, in order to extract a large process for each system or to narrow down as a selection candidate, the common safety measure table 104 has a system item. For example, a large process of “preparation” is stored for each system. Note that a plurality of “preparation” large steps with different safety measures may be stored and selectable for one system.

  The large process extraction unit 122 extracts a large process suitable for the current inspection from the common safety measure table 104 and generates a large process list 204. The large process extraction unit 122 operates according to the operation and input of the operator (operator).

  FIG. 5B is a flowchart for explaining the operation of the large process extraction unit 122. In S202, the large process extraction unit 122 narrows down the records using the system item. Thereby, the large process about one system is narrowed down. In S204, the large process extracting unit 122 can edit the large process to be added or deleted by an operator's selection input. Also at this stage, it is preferable that the safety treatment ID included in the large process can be edited. In S206, the large process extraction unit 122 generates the large process list 204 based on the confirmed large process.

  It is desirable that the large process list 204 includes the same items as the common safety action table 104. Specifically, if the large process list 204 includes at least a large process ID, a large process name, a safety action action ID, and a system. Good.

  The large process list output unit 124 refers to the large process list 204 and outputs a list for the operator to browse. In order for the operator to browse, at least the large process name and the system need only be listed. In addition, it is preferable to describe a system | strain outside the column of a large process list rather than writing together in each large process and describing it in multiple times. By outputting the large process list 204 in this way, the progress of the large-scale inspection can be grasped in the large process, so that all persons involved in the inspection can easily grasp the progress.

  FIG. 6 is a diagram showing an example of the total safety measure table 106. As shown in FIG. 6, the total safety treatment table 106 is a database in which all safety measures are stored, and stores treatment target devices and specific treatment contents (operations) in association with treatment IDs. . As described above, a safety measure is composed of a combination of the device to be treated and the content (operation) of the safety measure. The term “all safety measures” used herein refers to the operations performed for the inspection of the devices managed in this system, and means the entire safety treatment operations for the devices constituting the plant. Although the system may be stored in the total safety treatment table 106, the system item is not necessarily required if a unique identifier is stored in the treatment ID.

  Based on the action ID associated with the device ID of the device extracted by the inspection device extraction unit 112, the safety treatment extraction unit 132 lists the safety treatment list 206 that lists the safety measures to be performed in the current inspection from the total safety treatment table 106. Is generated. The safety measure extraction unit 132 operates according to the operation and input of the operator (operator).

  FIG. 6B is a flowchart for explaining the operation of the safety measure extraction unit 132. In S <b> 302, the safety treatment extraction unit 132 acquires a treatment ID corresponding to each device ID from the inspection device list 202. In many cases, since a plurality of treatment IDs are stored for one device ID, a plurality of treatment IDs are developed into a plurality of records. If a large process ID is stored for the device ID, it is ignored.

  Next, in S304, the safety treatment extraction unit 132 acquires a treatment ID corresponding to each large process ID from the large process list 204. Also in this case, since a plurality of treatment IDs are often stored for one large process ID, a plurality of treatment IDs are developed into a plurality of records.

  In S306, the safety treatment extraction unit 132 refers to the total safety treatment table 106 using the treatment ID obtained from the inspection device list 202 and the large process list 204, and obtains the safety treatment (treatment target device and treatment content). Thus, the safety treatment list 206 is generated.

  As described above, when a safety measure accompanying an inspection of a certain device is performed along with a large process, the treatment ID is not stored in the total device table 102. In other words, the safety measures associated with the large process are standardized as measures to be performed every time. With such a configuration, the trouble of extracting or selecting the treatment ID can be reduced. As a result, the labor for accumulating data in the total device table 102 can be reduced.

  However, there is a possibility that the same safety measure is stored in the safety measure list 206 at this stage. This is because the safety measures for different devices may be the same. For example, there is a case where it is necessary to close the same valve in checking a certain pump and checking a certain instrument. Therefore, in S <b> 308, the safety treatment extraction unit 132 eliminates a treatment ID that is duplicated in the safety treatment list 206.

  It is desirable that the safety treatment list 206 includes the same items as the total safety treatment table 106. Specifically, it is sufficient that the treatment target device, the treatment content, and the system are included. Note that the safety measure list 206 is not a basis for data processing (excluding deduplication processing), and is used only for list output.

  The safety action list output unit 134 refers to the safety action list 206 and outputs a list for the operator to browse. Since the data stored in the total safety measure table 106 is information that should be presented to the worker as it is, it is preferable to publish the data without omitting it. In addition, it is preferable to describe a system | strain outside the list column rather than writing together with each safety measure.

  In the above description, it has been described that the safety treatment extraction unit 132 acquires a safety treatment based on the treatment ID associated with the device ID and the treatment ID associated with the large process ID. However, the present invention is not limited to this. A large process ID is acquired from the inspection device list 202, and the common safety treatment table 104 is referred to based on the large process ID, and the treatment ID associated with the device ID is indirectly determined. May be acquired automatically.

  Furthermore, the large device ID is not stored in the total device table 102, the necessary treatment IDs are stored in all the device IDs, and the treatment IDs are also stored in the common safety treatment table 104. After all the treatment IDs are acquired by the treatment extraction unit 132, the duplicate treatment IDs may be deleted. That is, when safety measures are overlapped due to inspection of a plurality of devices, and when safety measures associated with large steps are overlapped, all the safety measures are acquired for the time being, and then the overlapping safety measures are deleted. As a result, a simple safety treatment list can be output, and the visibility and workability of the safety treatment list 206 can be improved.

  In the above description, it has been described that the inspection cycle, inspection results, and next inspection schedule are stored in the total device table 102. However, another table (maintenance table) associated with the device ID may be used. In that case, the inspection device extraction unit 112 refers to the total device table 102 and the maintenance table, and extracts devices to be inspected.

  As described above, according to the configuration of the present embodiment, when an inspection device is extracted from the total device table 102, it is possible to automatically acquire a safety measure associated with the inspection of the device. Therefore, the inspection device list 202 and the safety treatment list 206 can be output simply and efficiently. Further, since a comprehensive safety measure list 206 that is not divided into fields can be obtained, the current state of valves, switches, and the like can be easily and reliably known if the current progress is known. Therefore, since it is not necessary to go to the site to see the state of the equipment, the situation can be grasped on a document and managed centrally. As a result, large-scale inspection support that enables more efficient determination of inspection equipment and the associated safety measures in facilities with a large number of inspection equipment, such as power plants, and enables comprehensive monitoring of progress A system can be provided.

  In particular, since the inspection device list 202 and the safety treatment list 206 can be output for each system, the inspection device list 202 and the safety treatment list 206 are simplified in the inspection of the power plant that frequently opens and closes the valves of the piping. It can be easily grasped and handled.

  Further, by associating the safety treatment ID with the large process ID, the safety treatment associated with the large process can be routinely performed as a treatment to be performed every time. Thereby, it can prevent that a safety measure overlaps between different apparatuses. In addition, safety measures that do not depend on the device can be set.

  As mentioned above, although preferred embodiment of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to the example which concerns. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  INDUSTRIAL APPLICABILITY The present invention can be used as a system that supports continuous inspection in facilities with a large number of inspection devices such as power plants.

DESCRIPTION OF SYMBOLS 10 ... Nuclear power plant, 12 ... Reactor pressure vessel, 14 ... Steam system, 16 ... Control rod drive system, 18 ... Cooling system at reactor isolation, 20 ... Residual heat removal system, 22 ... High pressure core water injection system, 24 ... Suppression pool purification system, 26 ... Fuel pool purification system, 28 ... Reactor coolant purification system, 30 ... Boiler injection system, 100 ... Large-scale inspection support system, 102 ... Total equipment table, 104 ... Common safety treatment table, 106 ... Total safety treatment table, 112 ... Inspection device extraction unit, 114 ... Inspection device list output unit, 122 ... Large process extraction unit, 124 ... Large process list output unit, 132 ... Safety treatment extraction unit, 134 ... Safety treatment list output unit 202 ... Inspection equipment list 204 ... Large process list 206 ... Safety action list

Claims (4)

A total device table that stores a treatment ID of a safety measure that is an operation of one or more other devices performed in order to safely inspect the device in association with a device ID of a device that can be an inspection target;
An inspection device extraction unit for extracting devices to be checked from the total device table;
An inspection device list output unit for outputting a list of devices extracted by the inspection device extraction unit;
A total safety action table storing specific action contents in association with the action ID of the safety action;
A safety measure extraction unit that acquires a safety measure by referring to the total safety measure table based on a treatment ID associated with the device ID of the device extracted by the inspection device extraction unit;
A safety action list output unit that outputs a list of safety actions acquired by the safety action extraction unit ;
A common safety action table storing a large process of inspection and a process ID of one or more safety actions associated with the ID of the large process;
A large process extraction unit for extracting a large process to be performed from the common safety measure table;
A large process list output unit that outputs a list of large processes extracted by the large process extraction unit ;
The safety measure extraction unit
Refer to the total safety treatment table based on the treatment ID associated with the device ID of the device extracted by the inspection device extraction unit and the treatment ID associated with the large process ID extracted by the large step extraction unit. And get safety measures,
The treatment ID corresponding to the device ID of the device extracted by the inspection device extraction unit is acquired with reference to the total device table, and the treatment ID corresponding to the large step extracted by the large step extraction unit is the common safety treatment table. after obtaining referring to the large-scale inspection support system which is characterized that you eliminate the treatment ID duplicate. In the total equipment table, a piping system or an electrical system to which the equipment belongs is stored in association with each equipment,
The large-scale inspection support system according to claim 1, wherein the inspection device extraction unit extracts devices to be inspected for each piping system or electric system. A maintenance table that stores at least one of the inspection cycle, inspection results, or next inspection schedule of equipment that can be inspected,
The large-scale inspection support system according to claim 1, wherein the inspection device extraction unit extracts devices to be inspected with reference to the total device table and the maintenance table. In the total device table, the ID of a large process including safety measures associated with inspection of a certain device is stored in association with the device ID of the device instead of the treatment ID of the safety measure,
4. The large-scale operation according to claim 3, wherein the safety treatment extraction unit obtains a treatment ID acquired from the total device table and a treatment ID associated with a large process ID acquired from the total device table. Scale inspection support system.

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