Planning support device and planning support method

Abstract

To provide a plan support device and a plan support method for supporting a plan in line with a customer's business plan.SOLUTION: There is provided a plan support system in which a plurality of water treatment installations, a customer device, and a plan support device are connected via a network. A plan support device 30 includes a communication unit 31 that receives operation information indicating an operation condition of each of water treatment units constituting the water treatment installations, a countermeasure selection unit 333 that in a case where it is determined that an abnormality has occurred or an abnormality is likely to occur based on the received operation information, selects countermeasure candidates that satisfy a budget plan included in a business plan at least including a medium-term budget plan in accordance with the business plan, the countermeasures against the abnormality which has occurred or is likely to occur in the water treatment unit, fees to be required for taking the countermeasures, and a period for taking the countermeasures, and a providing unit 334 that provides a customer having the water treatment installations with information indicating the countermeasure candidates selected by the countermeasure selection unit 333.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a planning support device and a planning support method. [Background technology]

[0002] Conventionally, an operation support system for a water treatment device has been constructed to partially automate operation management, thereby enabling management to reduce malfunctions and running costs (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Publication No. 2019-155275 Summary of the Invention [Problem to be solved by the invention]

[0004] In the next generation of equipment operation management, in addition to conventional operation management, it is desired to manage maintenance and capital investment in accordance with the customer's business plan. However, conventionally, there has been a problem in that it has not been possible to manage maintenance and capital investment in accordance with the customer's business plan.

[0005] In view of the above circumstances, an object of the present invention is to provide a technology that can support planning in accordance with a client's business plan. [Means for solving the problem]

[0006] One aspect of the present invention is a water treatment system comprising: a communication unit that receives operation information indicating the operating status of each water treatment unit that constitutes a water treatment facility; a countermeasure selection unit that, when it is determined based on the received operation information that an abnormality has occurred or is likely to occur, selects candidate countermeasures that satisfy the budget plan included in the business plan, based on a business plan including at least a medium-term budget plan, countermeasures for the abnormality that has occurred or is likely to occur in the water treatment unit, a price required to implement the countermeasures, and a period for implementing the countermeasures; and a provision unit that provides information indicating the candidate countermeasures selected by the countermeasure selection unit to a customer that has the water treatment facility. The countermeasure selection unit selects a plurality of countermeasures for the abnormality determined based on the received operation information, creates one or a combination of the selected plurality of countermeasures as a plan candidate, and selects one or more plan candidates that satisfy the budget plan included in the business plan from the created plan candidates as the countermeasure candidate. It is a planning support device.

[0008] One aspect of the present invention is the above-mentioned planning support device, wherein the budget plan includes information regarding the budget for each fiscal year, and the countermeasure selection unit compares the prices for each fiscal year during the period in which the countermeasure is to be implemented with the information regarding the budget for each fiscal year included in the budget plan, and selects the plan candidate that satisfies the budget conditions for each fiscal year in the budget plan as the countermeasure candidate.

[0009] One aspect of the present invention includes a communication step of receiving operation information indicating the operating status of each water treatment unit constituting a water treatment facility; a countermeasure selection step of, when it is determined based on the received operation information that an abnormality has occurred or is likely to occur, selecting candidate countermeasures that satisfy the budget plan included in the business plan based on a business plan including at least a medium-term budget plan, countermeasures for the abnormality that has occurred or is likely to occur in the water treatment unit, a price required to implement the countermeasures, and a period for implementing the countermeasures; and a provision step of providing information indicating the candidate countermeasures selected in the countermeasure selection step to a customer having the water treatment facility. In the measure selection step, a plurality of measures for the abnormality determined based on the received operation information are selected, one or a combination of the selected plurality of measures is created as a plan candidate, and one or more plan candidates that satisfy the budget plan included in the business plan are selected as the measure candidate from the created plan candidates. do , the planning support device executes It is a planning support method. [Effects of the Invention]

[0010] The present invention makes it possible to support planning in line with a client's business plan. [Brief explanation of the drawings]

[0011] [Figure 1] 1 is a configuration diagram showing a system configuration of a planning support system according to the present invention. [Figure 2] FIG. 2 is a schematic block diagram illustrating a functional configuration of a customer device according to an embodiment. [Figure 3] 1 is a schematic block diagram illustrating a functional configuration of a planning support device according to an embodiment. [Figure 4] FIG. 10 is a diagram showing a specific example of a countermeasure table in the embodiment. [Figure 5] FIG. 2 is a sequence diagram showing a flow of processing performed by the plan support system according to the embodiment. [Figure 6] FIG. 10 is a diagram showing an example of a table showing plan candidates created by a measure selection unit. DETAILED DESCRIPTION OF THE INVENTION

[0012] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. (overview) The planning support system of the present invention is a system intended to support facility management planning in accordance with the business plan of a customer that owns a water treatment facility. Here, facility management refers to, for example, maintenance of the water treatment units that make up the water treatment facility and new capital investment. Therefore, the planning support system of the present invention achieves the above-mentioned objective by selecting candidate countermeasures for anomalies that have occurred or may occur in each water treatment unit that makes up the water treatment facility within a budget included in the medium-term business plan, and providing information indicating the selected candidate countermeasures to the customer that owns the water treatment facility. A specific configuration for realizing the above-mentioned process is described below.

[0013] (detail) FIG. 1 is a configuration diagram showing the system configuration of a planning support system 100 according to the present invention. The planning support system 100 includes one or more water treatment facilities 10, one or more customer devices 20, and a planning support device 30. The water treatment facilities 10, the customer devices 20, and the planning support device 30 are connected via a network 40. The network 40 may be configured in any manner. For example, the network 40 may be configured using the Internet. Although FIG. 1 illustrates a configuration in which the customer devices 20 are provided within the customer's water treatment facility and the planning support device 30 is provided on the cloud, the planning support device 30 may also be provided within the customer's water treatment facility.

[0014] The water treatment facility 10 is a facility for performing water treatment. Water treatment refers to, for example, treatment to adjust the water quality to suit the intended use, or various treatments for discharging water without affecting the surrounding environment. The water treatment facility 10 is composed of multiple water treatment units. The water treatment units are, for example, reverse osmosis (RO) membrane separation devices, coagulation reaction tanks, sedimentation tanks, aerobic biological treatment tanks, etc. Note that the water treatment units shown here are merely examples, and other devices may be included as long as they are water treatment units used in the water treatment facility. The water treatment units in the water treatment facility 10 periodically transmit operating information to the planning support device 30. The operating information is information indicating the operating status of the water treatment unit, and includes, for example, operation management values ​​and water quality data obtained during operation.

[0015] The customer device 20 is a device used by workers and work managers working at the water treatment facility. The customer device 20 is configured using an information processing device such as a desktop computer, a laptop computer, a tablet device, or a smartphone. The customer device 20 registers a business plan, including a medium-term budget plan, in the planning support device 30, for example, in response to a user's operation. The customer device 20 presents planning support information provided by the planning support device 30 to the worker. The planning support information includes information indicating candidate countermeasures for abnormalities that have occurred or may occur in the water treatment units constituting the water treatment facility 10, selected within a range that satisfies the budget included in the medium-term business plan. The information indicating the candidate countermeasures includes information such as the name, type, effect, price, and duration of the candidate countermeasures. An abnormality that has occurred or may occur in the water treatment unit is, for example, aging of the water treatment unit or a malfunction of the water treatment unit.

[0016] The planning support device 30 selects candidate measures that satisfy the budget plan included in the business plan based on the business plan transmitted from the customer device 20 and the operation information transmitted from the water treatment facility 10, and provides planning support information including information indicating the selected candidate measures to the customer device 20. The planning support device 30 is configured using an information processing device such as a personal computer.

[0017] FIG. 2 is a schematic block diagram showing the functional configuration of the customer device 20 according to the embodiment. The customer device 20 includes an operation unit 21 , a display unit 22 , a communication unit 23 , a storage unit 24 , and a control unit 25 .

[0018] The operation unit 21 is configured using existing input devices such as a keyboard, a pointing device (mouse, tablet, etc.), a touch panel, buttons, etc. The operation unit 21 is operated by a user when inputting the user's instructions to the customer device 20. The operation unit 21 may also be an interface for connecting an input device to the customer device 20. In this case, the operation unit 21 inputs to the customer device 20 an input signal generated in the input device in response to the user's input.

[0019] The display unit 22 is an image display device such as a liquid crystal display, an organic EL (Electro Luminescence) display, or a CRT (Cathode Ray Tube) display. The display unit 22 displays information provided by the planning support device 30. For example, the display unit 22 displays information indicating potential countermeasures. The display unit 22 may be an interface for connecting an image display device to the customer device 20. In this case, the display unit 22 generates a video signal for displaying the customer device 20 and outputs the video signal to the image display device connected to the display unit 22.

[0020] The communication unit 23 communicates with other devices. For example, the communication unit 23 communicates with the plan support device 30.

[0021] The storage unit 24 stores plan support information 241. The plan support information 241 is information indicating potential countermeasures provided by the plan support device 30. The storage unit 24 is configured using a storage device such as a magnetic storage device or a semiconductor storage device.

[0022] The control unit 25 controls the entire customer device 20. The control unit 25 is configured using a processor such as a CPU (Central Processing Unit) and a memory. The control unit 25 functions as a communication control unit 251 and a display control unit 252 by executing a program.

[0023] A part or all of the communication control unit 251 and the display control unit 252 may be realized by hardware (including circuitry) such as an ASIC (Application Specific Integrated Circuit), a PLD (Programmable Logic Device), or an FPGA, or may be realized by a combination of software and hardware. The program may be recorded on a computer-readable recording medium. Examples of computer-readable recording media include portable media such as flexible disks, magneto-optical disks, ROMs, and CD-ROMs, and non-transitory storage media such as storage devices built into a computer system, such as a hard disk. The program may be transmitted via a telecommunications line.

[0024] Some of the functions of the communication control unit 251 and the display control unit 252 do not need to be pre-installed in the customer device 20, and may be realized by installing an additional application program in the customer device 20.

[0025] The communication control unit 251 controls the operation of the communication unit 23. For example, the communication control unit 251 controls the communication unit 23 to transmit and receive information to and from the plan support device 30.

[0026] The display control unit 252 controls the display unit 22. For example, the display control unit 252 controls the display unit 22 to display the plan support information 241.

[0027] FIG. 3 is a schematic block diagram showing the functional configuration of the plan support device 30 according to the embodiment. The planning support device 30 includes a communication unit 31 , a storage unit 32 , and a control unit 33 .

[0028] The communication unit 31 communicates with other devices. For example, the communication unit 31 communicates with the customer device 20.

[0029] The storage unit 32 stores a countermeasure table 321 and business plan information 322. The storage unit 32 is configured using a storage device such as a magnetic storage device or a semiconductor storage device.

[0030] Countermeasure table 321 is a table in which information on countermeasures for abnormalities that have occurred or may occur in the water treatment unit is registered. Business plan information 322 is a business plan transmitted from customer device 20.

[0031] FIG. 4 is a diagram showing a specific example of the countermeasure table 321 in the embodiment. Countermeasure table 321 is composed of multiple records in which the following values ​​are associated: water treatment unit, abnormality, operating status condition, countermeasure name, countermeasure type, effect, price, and period. Water treatment unit represents the water treatment unit for which the countermeasure is to be taken. Abnormality represents an abnormality that has occurred or may occur in the water treatment unit. Operating status condition represents the conditions under which an abnormality is deemed to have occurred or may occur. Countermeasure name represents the name of the countermeasure for an abnormality that has occurred or may occur in the water treatment unit. Countermeasure type represents whether the countermeasure for an abnormality that has occurred or may occur in the water treatment unit is a permanent measure or a temporary measure. Effect represents the degree of effect obtained when the associated countermeasure is taken. Price represents the cost incurred when the associated countermeasure is taken. Period represents the period for which the associated countermeasure is taken.

[0032] 4, values ​​for abnormality, operating status conditions, countermeasure name, countermeasure type, effect, price, and period are registered for each water treatment unit in countermeasure table 321. For example, in the item for water treatment unit "sedimentation tank" in countermeasure table 321, "fault 1" and "fault 2" are associated as abnormalities, and the abnormality "fault 1" is associated with "operational control value X is above threshold" and "water quality Y of treated water is above threshold" as operating status conditions, and "operational control value X is above threshold" is associated with countermeasure names "A," "B," "C," "D," and "E," and "water quality Y of treated water is above threshold" is associated with countermeasure names "F" and "G."

[0033] Furthermore, the measure name "A" is associated with a measure type of "permanent measure," an effect of "large," a price of "xx yen (high)," and a period of "2 years to 10 years." That is, the measure table 321 registers that the measure name "A" is a permanent measure that will be implemented for 2 years to 10 years, and therefore is highly effective but expensive.

[0034] Furthermore, the countermeasure names "B" and "C" are associated with a "permanent measure" as the countermeasure type, "medium" as the effect, "XX yen (normal)" as the price, and "1 year to 5 years" as the period. That is, the countermeasure table 321 registers that the countermeasure names "B" and "C" are permanent measures that are implemented for 1 year to 5 years, and therefore have a medium effect (inferior to the countermeasure name "A") and a normal price.

[0035] Furthermore, the measure name "D" is associated with a measure type of "permanent measure," an effect of "small," a price of "xx yen (low price)," and a period of "six months to three years." That is, the measure table 321 registers that the measure name "D" is a permanent measure that is implemented six months to three years, and therefore has a small effect (inferior to the measure names "B" and "C"), but is inexpensive.

[0036] Furthermore, the measure name "E" is associated with a measure type of "emergency measure," an effect of "small," a price of "xx yen / month (normal)," and a period of "1 month to 1 year." That is, the measure table 321 registers that the measure name "E" is an emergency measure, is implemented 1 month to 1 year later, and therefore has a small effect (inferior to the measure names "B" and "C") and is normal in price.

[0037] The measures named "A" to "E" shown above are measures narrowed down to be taken on the water treatment unit when the operating condition condition "operational control value X is above the threshold" is met. The measures named "F" and "G" are measures narrowed down to be taken on the water treatment unit when the operating condition condition "water quality Y of the water to be treated is above the threshold" is met.

[0038] Returning to FIG. 3, the description of the plan support device 30 will be continued. The control unit 33 controls the entire planning support device 30. The control unit 33 is configured using a processor such as a CPU and a memory. The control unit 33 executes a program to function as a communication control unit 331, a registration unit 332, a measure selection unit 333, and a provision unit 334.

[0039] Some or all of the communication control unit 331, registration unit 332, countermeasure selection unit 333, and provision unit 334 may be realized by hardware (including circuitry) such as ASIC, PLD, or FPGA, or may be realized by a combination of software and hardware. The program may be recorded on a computer-readable recording medium. Examples of computer-readable recording media include portable media such as flexible disks, magneto-optical disks, ROMs, and CD-ROMs, and non-transitory storage media such as storage devices built into computer systems, such as hard disks. The program may be transmitted via a telecommunications line.

[0040] Some of the functions of the communication control unit 331, the registration unit 332, the countermeasure selection unit 333, and the provision unit 334 do not need to be pre-installed in the planning support device 30, and may be realized by installing additional application programs in the planning support device 30.

[0041] The communication control unit 331 controls the operation of the communication unit 31. For example, the communication control unit 331 controls the communication unit 31 to transmit and receive information to and from the customer device 20.

[0042] The registration unit 332 registers the business plan transmitted from the customer device 20 in the storage unit 32. When the customer device 20 requests that the information in the countermeasure table 321 be rewritten, the registration unit 332 rewrites the information in the countermeasure table 321 in accordance with the request from the customer device 20.

[0043] When the countermeasure selection unit 333 determines, based on the operation information transmitted from the water treatment facility 10 and the countermeasure table 321, that an abnormality has occurred or is likely to occur, it selects candidate countermeasures that satisfy the budget included in the business plan in accordance with the business plan information 322 stored in the storage unit 32 and the countermeasure table 321. Specifically, the countermeasure selection unit 333 selects multiple countermeasures for the abnormality determined based on the operation information, creates one or a combination of the selected multiple countermeasures as a candidate plan, and selects one or more candidate plan plans that satisfy the budget included in the business plan from the created candidate plan as candidate countermeasures. More specifically, the countermeasure selection unit 333 compares the prices for each fiscal year during the period in which the countermeasures registered in the countermeasure table 321 are to be implemented with information on the budget for each fiscal year included in the business plan, and selects candidate countermeasures that satisfy the conditions of the budget for each fiscal year as candidate countermeasures.

[0044] The providing unit 334 provides the customer device 20 with information indicating the countermeasure candidates selected by the countermeasure selecting unit 333 .

[0045] FIG. 5 is a sequence diagram showing the flow of processing performed by the plan support system 100 in the embodiment. Water treatment facility 10 periodically transmits operating information to plan support device 30 (step S101). Communication unit 31 of plan support device 30 receives the operating information transmitted from water treatment facility 10. Communication control unit 331 outputs the received operating information to countermeasure selection unit 333. Countermeasure selection unit 333 refers to the operating information obtained from communication control unit 331 and countermeasure table 321, and determines whether the operating status conditions are satisfied for each water treatment unit (step S101).

[0046] If the operating condition condition is not satisfied in any of the water treatment units constituting the water treatment equipment 10, the countermeasure selection unit 333 does not perform any particular processing. Here, it is assumed that the operating condition condition is satisfied in the water treatment unit "sedimentation tank." In this case, the countermeasure selection unit 333 refers to the countermeasure table 321 and selects a necessary countermeasure (step S103). Specifically, the countermeasure selection unit 333 refers to the countermeasure table 321 and selects a countermeasure associated with the satisfied operating condition as a necessary countermeasure. Here, it is assumed that the operating condition condition "operational control value X is equal to or greater than the threshold" is satisfied. In this case, the countermeasure selection unit 333 selects a countermeasure indicated by the countermeasure name "A," "B," "C," "D," or "E" as a necessary countermeasure.

[0047] Next, the measure selection unit 333 creates one or a combination pattern of the selected measures indicated by the measure names "A," "B," "C," "D," and "E" as a plan candidate (step S104). For example, the measure selection unit 333 creates a combination pattern of measures "A" to "E" as a plan candidate, regarding how the measures "A" to "E" can be combined (or used alone) to resolve or reduce the problem of Fault 1 and stabilize operation. A measure with a "high" effect can resolve or reduce the problem of Fault 1 and stabilize operation even when used alone. On the other hand, a measure with a "medium" or "small" effect cannot resolve or reduce the problem of Fault 1 and stabilize operation when used alone. Therefore, for example, the measure selection unit 333 sets a measure with a "high" effect as a stand-alone plan candidate, and a measure with a "medium" effect as a plan candidate in combination with a measure with a "medium" or "small" effect. At this time, the measure selection unit 333 associates information on the implementation time, effect, and cost occurrence time for each plan candidate and creates a table. For example, the measure selection unit 333 creates a table shown in FIG.

[0048] FIG. 6 is a diagram showing an example of a table showing candidate plans created by the countermeasure selection unit 333. As shown in FIG. 6, information on countermeasures, implementation timing, effect, and cost occurrence timing is associated with each candidate plan number. The candidate plan number represents a number that identifies the candidate plan. The countermeasure represents one or a combination of multiple countermeasures created as a candidate plan. In the example shown in FIG. 6, the countermeasures shown are "Implement A," "Implement B and C," "Implement B and D," and "Implement E, then switch to A." The implementation timing and effect represent the timing of implementing the countermeasure of the associated candidate plan and the degree of effect if implemented. The cost occurrence timing represents the timing when costs will be incurred if the countermeasure of the associated candidate plan is implemented.

[0049] Candidate Plan No. 1 is a plan that can permanently address Problem 1 with only one large capital investment (Measure "A"). Candidate Plan No. 2 is a plan that can permanently address Problem 1 by combining two capital investments (Measures "B" + "C"), which requires a large installation area but is somewhat inexpensive. Candidate Plan No. 3 is a plan that can permanently address Problem 1 with a slightly less effective solution than Candidate Plan No. 2 by combining two capital investments (Measures "B" + "D"). For example, Measure "D" is cheaper than Measure "C," but is slightly less effective than Candidate Plan No. 2 because the next aging countermeasure is only three years away. Candidate Plan No. 4 is a plan that maintains performance by performing emergency measures (Measure "E") for two years, completing the installation of a large capital investment (Measure "A") in the second year, and then switching from emergency measures (Measure "E") to permanent measures (Measure "A") from the third year onwards, which is a more expensive plan that can address Problem 1 without sacrificing performance.

[0050] The countermeasure selection unit 333 selects countermeasure candidates based on the business plan information 322 and the created plan candidates (step S105). Assume that the budget plan included in the business plan information 322 indicates that "even medium-scale capital investment is difficult" for the current fiscal year and that "large-scale capital investment is possible" for the next fiscal year. In this case, the countermeasure selection unit 333 selects, as the countermeasure candidate, a plan candidate that satisfies the budget plan from among plan candidates Nos. 1 to 4. Plan candidates Nos. 2 and 3 include medium-scale capital investment, and a large amount of expenses will be incurred in the current fiscal year but no expenses will be incurred in the next fiscal year. Therefore, plan candidates Nos. 2 and 3 do not satisfy the budget plan. On the other hand, plan candidate No. 1 does not incur expenses in the current fiscal year, and a large amount of expenses will be incurred in the next fiscal year when large-scale capital investment is possible. Therefore, plan candidate No. 1 satisfies the budget plan. Plan candidate No. 4 will incur expenses in the current fiscal year, but it is a small-scale capital investment, and a large amount of expenses will be incurred in the next fiscal year when large-scale capital investment is possible. Therefore, plan candidate No. 4 satisfies the budget plan. In this way, the measure selection unit 333 determines that, among plan candidates Nos. 1 to 4, plan candidate No. 1 and plan candidate No. 4 satisfy the budget plan included in the business plan, and selects plan candidate No. 1 and plan candidate No. 4 as measure candidates.

[0051] The measure selection unit 333 outputs information indicating the selected measure candidates to the provision unit 334. For example, the measure selection unit 333 outputs information indicating the selected plan candidates No. 1 and No. 4, the measures to be taken for plan candidates No. 1 and No. 4, and information regarding costs to the provision unit 334. The provision unit 334 provides the customer device 20 with planning support information including the information indicating the measure candidates output from the measure selection unit 333 (step S106). The communication unit 23 of the customer device 20 receives the planning support information transmitted from the planning support device 30. The display control unit 252 displays the received planning support information on the display unit 22. The display unit 22 displays the planning support information under the control of the display control unit 252 (step S107).

[0052] The plan support system 100 configured as described above can provide support for planning in line with a customer's business plan. Specifically, when the plan support system 100 determines that an abnormality has occurred or is likely to occur based on operational information indicating the operational status of each water treatment unit constituting a water treatment facility, the system selects candidate countermeasures that satisfy the budget included in the business plan based on the business plan, including at least a medium-term budget plan, countermeasures for the abnormality that has occurred or is likely to occur in the water treatment unit, the cost required to implement the countermeasures, and the period for implementing the countermeasures. Information indicating the selected candidate countermeasures is then provided to the customer who owns the water treatment facility. This allows multiple candidate maintenance and capital investment plans to be presented in line with the customer's business plan. Therefore, the customer can select a plan that is in line with their company's plan from the presented candidates. This makes it possible to provide support for planning in line with the customer's business plan.

[0053] The plan support device 30 compares the prices for each fiscal year during the period in which the countermeasure is to be implemented with information about the annual budget included in the budget plan, and selects as countermeasure candidates those plan candidates that satisfy the annual budget conditions in the budget plan. This allows countermeasure candidates to be selected taking into account the annual budget. Therefore, even if the overall budget satisfies the budget plan included in the business plan, it is possible to exclude from the countermeasure candidates those that do not satisfy the annual budget conditions. This makes it possible to provide support for plans that are more in line with the customer's business plan.

[0054] In the embodiment, an example has been described in which the planning support device 30 receives operating information from the water treatment equipment 10, but it is also possible to configure the device so that, for example, the operating information is input as data into the customer device 20, and the planning support device 30 receives the operating information from the customer device 20.

[0055] Although an embodiment of the present invention has been described above in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and includes designs within the scope of the gist of the present invention. [Explanation of symbols]

[0056] 10...water treatment facility, 20...customer device, 30...planning support device, 40...network, 21...operation unit, 22...display unit, 23...communication unit, 24...storage unit, 25...control unit, 251...communication control unit, 252...display control unit, 31...communication unit, 32...storage unit, 33...control unit, 331...communication control unit, 332...registration unit, 333...measure selection unit, 334...provision unit

Claims

1. a communication unit that receives operation information indicating the operation status of each water treatment unit that constitutes the water treatment facility; a countermeasure selection unit that, when determining that an abnormality has occurred or is likely to occur based on the received operation information, selects candidate countermeasures that satisfy the budget plan included in the business plan, based on a business plan including at least a medium-term budget plan, countermeasures for the abnormality that has occurred or is likely to occur in the water treatment unit, a price required to implement the countermeasures, and a period for implementing the countermeasures; a providing unit that provides information indicating the candidate measures selected by the measure selecting unit to a customer that has the water treatment facility; Equipped with The measure selection unit selecting a plurality of measures to be taken against the abnormality determined based on the received operating information; Creating a plan candidate that is one of the selected measures or a combination of the selected measures; The planning support device selects, from the created plan candidates, one or more plan candidates that satisfy the budget plan included in the business plan as the measure candidates.

2. The budget plan includes information regarding the budget for each fiscal year; the countermeasure selection unit compares the price for each fiscal year during the period in which the countermeasure is to be implemented with information on the budget for each fiscal year included in the budget plan, and selects the plan candidate that satisfies the budget condition for each fiscal year in the budget plan as the countermeasure candidate; The planning support device according to claim 1 .

3. a communication step of receiving operation information indicating the operation status of each water treatment unit constituting the water treatment facility; a countermeasure selection step of selecting candidate countermeasures that satisfy the budget plan included in the business plan, when it is determined that an abnormality has occurred or is likely to occur based on the received operation information, based on a business plan including at least a medium-term budget plan, countermeasures for the abnormality that has occurred or is likely to occur in the water treatment unit, a price required to implement the countermeasures, and a period for implementing the countermeasures; a providing step of providing information indicating the candidate measures selected in the measure selection step to a customer who has the water treatment facility; and In the measure selection step, selecting a plurality of measures to be taken against the abnormality determined based on the received operating information; Creating a plan candidate that is one of the selected measures or a combination of the selected measures; A planning support method executed by a planning support device, which selects, from the created plan candidates, one or more plan candidates that satisfy the budget plan included in the business plan as the measure candidate.

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