Management support system, management support method, and management support program

Abstract

The present invention relates to a management support system, a management support method, and a management support program. [Solution] The management support system 1 comprises a registration unit, a difference identification unit, and a display processing unit. The registration unit provisionally registers the provisional documents received from contractors at construction sites, supplements the registration of corresponding duplicate provisional documents based on status conditions entered by the general contractor, and further re-registers corrected documents that have been corrected from provisional documents returned to the contractors. The difference identification unit identifies the differences in changes between the duplicated provisional document and the corrected document. The display processing unit processes the identified change differences to display them in an identifiable manner.

Description

[[Technical Field]]

[0001] The present invention relates to a management support system, a management support method, and a management support program. [[Background Art]]

[0002] Conventionally, various contrivances have been made to support document management.

[0003] Patent Document 1 discloses an information providing apparatus that, when an input item consisting of a plurality of items is corrected to the latest item, records not only the latest information but also the previous items before correction without deleting them, and presents the information. [[Prior Art Documents]] [[Patent Documents]]

[0004] [[Patent Document 1]] Japanese Patent No. 7631609 [[Summary of the Invention]] [[Problem to be Solved by the Invention]]

[0005] Incidentally, documents at a construction site require exchanges between a prime contractor and a subcontractor. Patent Document 1 does not consider more simply supporting document management between the prime contractor and the subcontractor at such construction sites.

[0006] The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to provide a management support system that can simplify the management of documents between a prime contractor and a subcontractor at a construction site and enable appropriate confirmation. [[Means for Solving the Problem]]

[0007] In order to solve the above problem, the present invention provides a management support system that supports management of documents at a construction site, the management support system comprising: a registration unit, a difference identification unit, and a display processing unit, The registration unit provisionally registers the provisional documents received from the contractor at the construction site, and supplementarily registers a duplicate provisional document corresponding to the provisional document based on the status conditions input from the general contractor. Furthermore, the corrected documents, which were returned to the contractor, are re-registered. The difference identification unit identifies the difference in changes between the duplicated provisional document and the corrected document, The display processing unit processes the identified change differences to display them in an identifiable manner.

[0008] Furthermore, the present invention relates to a management support method implemented by a management support system that assists in the management of documents at a construction site, It comprises a registration unit, a difference identification unit, and a display processing unit, The aforementioned registration unit provisionally registers the provisional documents received from the contractor, The registration unit performs the step of registering a duplicate provisional document corresponding to the provisional document based on the status conditions input from the prime contractor, The registration unit further takes the step of re-registering the corrected documents, which are the corrected versions of the provisional documents that were returned to the contractor. The difference identification unit performs the step of identifying the difference in changes between the duplicated provisional document and the corrected document, The display processing unit includes the step of displaying the identified change differences in an identifiable manner.

[0009] Furthermore, the present invention is a management support program that assists in the management of documents at construction sites, The computer is configured to function as a registration unit, a difference identification unit, and a display processing unit. The registration unit provisionally registers the provisional documents received from the contractor, and supplementarily registers a duplicate provisional document corresponding to the provisional document based on the status conditions input from the general contractor. Furthermore, the corrected documents, which were returned to the contractor, are re-registered. The difference identification unit identifies the difference in changes between the duplicated provisional document and the corrected document, The display processing unit processes the identified change differences to display them in an identifiable manner.

[0010] This configuration makes it easy to identify the differences between a document that has been returned to the contractor and the corrected version, thus reducing the burden on the general contractor and subcontractors who review the documents.

[0011] In a preferred embodiment of the present invention, the registration unit re-registers a second amended document, which is a further amended version of the amended document that was returned to the contractor. The difference identification unit identifies the difference in changes to the duplicated provisional document, the corrected document, and the second corrected document, The display processing unit processes the identified change differences in an identifiable manner based on a selection operation of any of the following: the duplicated provisional document and the corrected document, the duplicated provisional document and the second corrected document, or the corrected document and the second corrected document.

[0012] This configuration allows the general contractor to easily identify the differences between the document that was initially returned to the subcontractor, the corrected version of that document, and the document that was returned again and corrected once more.

[0013] In a preferred embodiment of the present invention, the document has a number of items relating to the construction site, The display processing unit affixes a predetermined identification mark to the corrected item in the corrected document.

[0014] This configuration allows the main contractor to easily identify corrected items from among multiple items in the document and confirm the differences in changes.

[0015] In a preferred embodiment of the present invention, the display processing unit displays the input information contained in the item before correction in the provisional document based on the selection operation of the item to which the identification mark has been assigned.

[0016] With this configuration, the prime contractor can easily identify the corrected item from among a plurality of items in a document, and further confirm the input information of the item by selecting the item. The selection operation includes, for example, clicking the item with a mouse, touch input with a finger, and the like.

[0017] In a preferred embodiment of the present invention, the selection operation includes a predetermined mouse-over operation performed by the contractor and / or the prime contractor.

[0018] With this configuration, the prime contractor can check the change difference of the corrected item by, for example, hovering a mouse cursor over the corrected item.

[0019] In a preferred embodiment of the present invention, the display processing unit displays the input information included in the item before correction and the corrected input information included in the item after correction side by side based on the selection operation of the item provided with the identification mark.

[0020] With this configuration, by selecting the item provided with the identification mark, the change difference of the item can be confirmed.

[0021] In a preferred embodiment of the present invention, the selection operation includes a predetermined click operation performed by the contractor and / or the prime contractor.

[0022] With this configuration, by clicking, for example with a mouse, the item provided with the identification mark, the change difference of the item can be confirmed.

[0023] The document includes a safety document related to subcontracting at the construction site,[Statement the safety document includes a plurality of items related to a plurality of contractors having a predetermined hierarchical structure,[Statement the difference specifying unit specifies the change difference in the item corresponding to a specific contractor based on a construction system including the dependency relationship of the contractors, and excludes specifying the change difference in the item corresponding to other contractors.

[0024] This configuration allows the general contractor to exclude the identification of change differences in the relevant items for each contractor after confirming the change differences for a specific subcontractor. For example, it eliminates the need to perform any identifiable display processing for change differences. Consequently, the general contractor no longer needs to check the specified changed items in the safety documents for each subcontractor every time, reducing the burden of document management.

[0025] In a preferred embodiment of the present invention, the difference identification unit identifies the change differences in the items corresponding to a specific contractor, based on a selection operation corresponding to the hierarchical structure from the prime contractor and / or the subcontractors, and excludes the identification of change differences in the items corresponding to other subcontractors.

[0026] This configuration allows for the selection of whether or not to display identifiable information for each changed item in the safety documents. For example, if the general contractor wants to check only the items related to a specific subcontractor, they can choose to exclude specific changes in the items related to other subcontractors.

[0027] The aforementioned documents include a subcontracting notice in the safety documents, The aforementioned subcontracting notice includes several items relating to the higher-level contractor corresponding to the construction site, and several items relating to the lower-level contractor to the said higher-level contractor, The difference identification unit identifies the change difference in the item corresponding to either the superior contractor or the subordinate contractor, based on a selection operation from the prime contractor and / or the subcontractor, and excludes the identification of the change difference in the item corresponding to either the superior contractor or the subordinate contractor.

[0028] This configuration allows for the identification of change differences for either the higher-level or lower-level contractor, depending on the selection, while excluding the identification of change differences for the other contractor. Therefore, document verification can be performed more easily and efficiently.

[0029] In a preferred embodiment of the present invention, the difference identification unit excludes natural changes, including the age of the workers at the construction site, from the change difference, based on a construction system that includes information about workers belonging to the contractor.

[0030] This structure allows us to exclude natural changes due to the creation date from the change diff, thereby reducing the effort required when reviewing documents.

[0031] In a preferred embodiment of the present invention, the display processing unit stops the display processing of the change differences after the re-registration of the corrected document, based on the input of the status conditions relating to receipt.

[0032] This configuration allows for proper management of documents after receipt. [Effects of the Invention]

[0033] According to the present invention, a novel technology related to a management support system can be provided for managing documents at construction sites by performing a predetermined process for the auxiliary registration of duplicated temporary documents. [Brief explanation of the drawing]

[0034] [Figure 1] A block diagram of the system configuration for one embodiment of the present invention is shown. [Figure 2] A schematic diagram of an example of the hardware configuration of an information processing device and terminal according to one embodiment of the present invention is shown. [Figure 3] An example of the information used in the management support system according to one embodiment of the present invention is shown. [Figure 4] This diagram shows a schematic representation of the construction system used in the management support system related to one embodiment of the present invention. [Figure 5] An example of information related to documents used in a management support system according to one embodiment of the present invention is shown. [Figure 6]This diagram shows a sequence diagram relating to the exchange of information between a management support system, a prime contractor user terminal, and a subcontractor user terminal, according to one embodiment of the present invention. [Figure 7] An example of the display processing result on a terminal relating to one embodiment of the present invention is shown. [Figure 8] An example of the display processing result on a terminal relating to one embodiment of the present invention is shown. [Figure 9] An example of the display processing result on a terminal relating to one embodiment of the present invention is shown. [Figure 10] An example of the display processing result on a terminal relating to one embodiment of the present invention is shown. [Figure 11] This diagram shows the flowchart for the process of excluding specific change differences in a management support system according to one embodiment of the present invention. [Figure 12] This diagram shows a schematic representation of the documents managed by the management support system related to one embodiment of the present invention. [Modes for carrying out the invention]

[0035] Further details will be described below with reference to the attached drawings. The drawings show preferred embodiments. However, it is possible to carry out the invention in many different forms and is not limited to the embodiments described herein.

[0036] For example, in this embodiment, the configuration and operation of the management support system will be described, but similar effects can be achieved by the execution method (steps), apparatus, computer program, etc. The program in this embodiment may be provided as a non-transient recording medium that can be read by a computer, or it may be provided so that it can be downloaded from an external server.

[0037] Furthermore, in this embodiment, "part" may also include, for example, a combination of hardware resources implemented by circuits in a broad sense and software information processing that can be specifically realized by these hardware resources.

[0038] In this embodiment, "information" can be represented, for example, by the physical value of a signal that carries voltage or current, the high or low value of a signal as a set of binary bits consisting of 0s or 1s, or by a quantum superposition (so-called qubit), and communication and calculations can be performed on a circuit in a broad sense.

[0039] In a broad sense, a circuit is a circuit realized by appropriately combining circuits, circuits (including processors and memory). That is, it includes CPUs (Central Processing Units), GPUs (Graphics Processing Units), LSIs (Large Scale Integration), ASICs (Application Specific Integrated Circuits), FPGAs (Field-Programmable Gate Arrays), etc.

[0040] <System Configuration> Figure 1 is a block diagram showing the system configuration according to one embodiment of the present invention. As shown in Figure 1, the management support system 1 includes an information processing device 10 and a database DB. The management support system 1 is configured to communicate with a plurality of prime contractor terminals 2 (reference numerals 2(a) to 2(c) in Figure 1) and subcontractor terminals 3 (reference numerals 3(a) to 3(c) in Figure 1) via a network NW. In this embodiment, the prime contractor terminals 2 and subcontractor terminals 3 are sometimes collectively referred to as user terminals. For example, in this system, a user terminal can also communicate with a plurality of other user terminals via the information processing device 10.

[0041] The information processing device 10 operates as a server. The main contractor terminal 2 is a terminal used by the main contractor's workers and managers, while the subcontractor terminal 3 is a terminal used by subcontractors (cooperating companies), workers, and independent contractors. Both the main contractor terminal 2 and the subcontractor terminal 3 are used for checking, managing, and inputting documents.

[0042] User terminals are devices used by workers at construction sites, general contractors (and their management personnel) who manage the construction sites, and other related parties. Smartphones, tablets, personal computers, and wearable devices can be used as user terminals. The user terminal stores a document creation support program for the user, and this program is configured to provide functions to assist the user with document management.

[0043] In this embodiment, the network NW is an IP (Internet Protocol) network, but there are no restrictions on the type of communication protocol, nor on the type or size of the network.

[0044] Furthermore, the information processing device 10 can be a general-purpose server computer or a personal computer. It is also possible to implement the functional components described later on multiple computers to constitute the management support system 1.

[0045] Prime Contractor Terminal 2 is a terminal used by the prime contractor (or a representative of the prime contractor). Prime Contractor Terminal 2 can be a smartphone, tablet, personal computer, wearable device, etc. Prime Contractor Terminal 2 stores a management support application program, which is configured to allow the user to view actual tasks and other relevant information.

[0046] Contract Terminal 3 is a terminal used by contractors (subcontractors), workers, and independent contractors. Contract Terminal 3 can be a smartphone, tablet, personal computer, wearable device, etc. Contract Terminal 3 is configured to store work management support application programs and to have functions for inputting and viewing work volume data for actual tasks.

[0047] Furthermore, the main contractor terminal 2 and the subcontractor terminal 3 can be configured without their respective management support application programs. In this case, the main contractor terminal 2 and the subcontractor terminal 3 can view and transmit information using a web browser or similar.

[0048] <Hardware Configuration> Figure 2(a) shows an example of the hardware configuration of the information processing device 10. The information processing device 10 comprises a control unit 11, a storage unit 12, and a communication unit 13 as its hardware configuration.

[0049] The control unit 11 includes one or more processors such as a CPU, and controls the entire operation of the information processing device 10 by executing the management support program, OS, and other applications according to the present invention.

[0050] The storage unit 12 is an HDD, SSD, ROM, RAM, etc., and stores the management support program according to the present invention and data used by the control unit 11 when executing processing based on the program. The control unit 11 executes processing based on the management support program stored in the storage unit 12, thereby realizing the functional configuration described later.

[0051] The communication unit 13 performs communication control with the network NW and provides inputs necessary for operating the information processing device 10, as well as outputs related to the operation results.

[0052] Figure 2(b) shows an example of the hardware configuration of terminal 90 (prime contractor terminal 2 and subcontractor terminal 3 in Figure 1). Terminal 90 comprises a control unit 91, a storage unit 92, a communication unit 93, an input unit 94, and an output unit 95 as its hardware configuration.

[0053] The control unit 91 of the terminal 90 includes one or more processors such as a CPU and controls the entire operation of the terminal 90. The storage unit 92 of the terminal 90 is an HDD, SSD, ROM, RAM, etc., and stores the management support application program mentioned above, as well as data used by the control unit 91 when executing processing based on the program.

[0054] The communication unit 93 of terminal 90 controls communication with the network. The input unit 94 of terminal 90 is a touch panel, mouse, keyboard, etc., which inputs user operation requests to the control unit 91. The output unit 95 of terminal 90 is a display, etc., which displays the results of processing by the control unit 91.

[0055] <Functional Configuration> As shown in Figure 2(a), the information processing device 10 comprises, as a functional configuration, a registration unit 101, a difference identification unit 102, a display processing unit 103, and a transmission unit 104. These are the concrete realizations of information processing performed by software (stored in the storage unit 12) by hardware (control unit 11, etc.).

[0056] The registration unit 101 receives and registers various information from the user terminal. In this embodiment, the registration unit 101 registers the contents corresponding to the document items from the user terminal and stores them in the storage unit 12. The registration unit 101 receives and registers the input of document items from the user terminal. Furthermore, the registration unit 101 provisionally registers provisional documents received from the construction site. Provisional documents here refer to documents that have not been formally received, and provisional registration refers to temporarily holding provisional documents in the storage unit 12.

[0057] The registration unit 101 also registers a duplicate provisional document corresponding to the provisional document based on the status conditions input from the general contractor. The status conditions here refer to the conditions of the general contractor's document management status, such as "unconfirmed," "received," "incomplete," or "returned." A duplicate provisional document is a document that has been copied in terms of the items and contents contained in the provisional document, and auxiliary registration refers to storing the duplicate provisional document in the storage unit 12.

[0058] Furthermore, the registration unit 101 re-registers the corrected documents, which are corrections made to the provisional documents that were returned to the contractor. Re-registration here refers to temporarily storing the corrected documents in the storage unit 12. The registration unit 101 can also re-register a second corrected document, which is a further correction made to the corrected documents that were returned to the contractor again.

[0059] The difference identification unit 102 identifies the difference in changes between the duplicated temporary document and the corrected document. In this embodiment, the difference identification unit 102 identifies the difference in changes between the duplicated temporary document registered by the registration unit 101 and the corrected document that has been re-registered. For example, if the "Supervisor Name" item of the document differs in content between the duplicated temporary document and the corrected document, the difference in changes to that item will be identified by the difference identification unit 102. The difference identification unit 102 also identifies the difference in changes to the duplicated temporary document, the corrected document, and the second corrected document, respectively.

[0060] Furthermore, the difference identification unit 102 identifies the difference in changes in items of safety documents corresponding to a specific contractor, based on the construction system including the subordinate relationships of the contractors, and excludes the identification of the difference in changes in the same items corresponding to other contractors. As will be described in detail later, for example, if the "name of the on-site representative" in the safety documents at a certain construction site is changed, the difference in the "name of the on-site representative" for a certain contractor is identified, and the identification of the "name of the on-site representative" item corresponding to other contractors is excluded. The difference identification unit 102 can also identify the difference in changes in the item corresponding to a specific contractor, and exclude the identification of the difference in changes in the same item corresponding to other contractors, based on a selection operation corresponding to a hierarchical structure from the prime contractor and / or subcontractors.

[0061] Furthermore, in the case of a subcontracting notification in safety documents, the difference identification unit 102 can identify the change differences in items corresponding to either the higher-level contractor or the lower-level contractor, based on a selection operation from the prime contractor and / or the subcontractor, and exclude the identification of change differences in items corresponding to either the higher-level contractor or the lower-level subcontractor. The difference identification unit 102 can also exclude natural changes in workers at the construction site from the change differences, based on the construction system which includes information on workers belonging to the subcontractor. Natural changes include, for example, the age and years of experience of workers at the construction site.

[0062] The display processing unit 103 processes the display screens of the main contractor terminal 2 and the subcontractor terminal 3. In this embodiment, the display processing unit 103 processes the display so that the identified changes between the duplicated temporary document and the corrected document can be identified. For example, the display processing unit 103 assigns a predetermined identification mark to the corrected items in the corrected document and processes the display of the input information contained in the items before correction in the temporary document based on a selection operation such as a mouseover operation. The display processing unit 103 can also process the display of the input information before correction contained in the items of the duplicated temporary document and the input information after correction contained in the items of the corrected document side by side based on a selection operation such as a predetermined click operation of the items to which the identification mark has been assigned.

[0063] Furthermore, the display processing unit 103 displays the identified change differences based on a selection operation of one of the following: a duplicated provisional document and a corrected document, a duplicated provisional document and a second corrected document, or a corrected document and a second corrected document. In addition, after the re-registration of the corrected document, the display processing unit 103 can stop the display processing of the change differences based on the input of status conditions related to receipt.

[0064] The transmission unit 104 transmits various information to the user terminal. In this embodiment, the transmission unit 104 transmits temporary documents, corrected documents, etc., based on requests from the user.

[0065] <database DB> The database DB in Figure 1 stores user information such as general contractors and subcontractors, company information such as general contractors and subcontractors, construction site information, work type information, construction system information, document format information, document item information, temporary document information related to the items in each document format, temporary document information related to documents created by users, duplicate temporary document information registered by the process described later, and other information necessary to support document management. Some or all of this information may be stored in the storage unit 12, or some of this information may be stored in another database.

[0066] As shown in Figure 3(a), user information is managed by a user ID and includes information such as the user's name, contact information, authority information, qualifications held, facial image, user identification information, registration date, and information about the company to which the user belongs (general contractor or subcontractor) (company ID described later). In addition to site supervisors and site managers, users also include persons responsible for managing site conditions or approving construction work, etc., even if they do not actually visit the construction site (person in charge belonging to the general contractor's head office). Furthermore, user information may also include one or more licenses, training course completion history, and award history.

[0067] In the management support system 1 of this embodiment, in addition to user information, information such as company information to which the user belongs, such as the general contractor or subcontractor, construction site information, work type information, and construction system information regarding subordinate relationships at the construction site are registered in advance.

[0068] As shown in Figure 3(b), company information is managed by a company ID, which includes the company name (e.g., Company A or Construction B), company contact information, company address, type (e.g., general contractor or subcontractor), and, in the case of a subcontractor, one or more types of services it can provide. This company information can also include information about, for example, sole proprietors.

[0069] Furthermore, as shown in Figure 3(c), construction site information is managed by a construction site ID, which includes the site name (e.g., construction site A, construction site B), site address, construction period, etc. Similarly, as shown in Figure 3(d), work type information is managed by a work type ID, which includes major work types such as concrete and rebar, and minor work types such as rebar processing and assembly and concrete pumping.

[0070] Furthermore, as shown in Figure 3(e), construction system information is managed by a construction system ID, which includes the construction site ID, work type ID, company ID, user ID, the subordinate relationships between companies in the construction system such as prime contractor, primary contractor, secondary contractor, etc., the company ID of the parent company (the company with which a direct contract was concluded), and information on the duties that can be handled. In addition, the construction system may also include the contractor (company ID) and the responsibilities of the said contractor. Note that in this specification, construction system information may also be simply referred to as the construction system.

[0071] Figure 4 shows the subcontractors from the first to fifth tiers, and their relationships to the main contractor A, for each job, such as rebar work, civil engineering, and interior finishing. In Figure 4, the subcontractors performing "rebar work" are shown as B Construction (first tier) and C Construction Company (second tier); the subcontractors performing "civil engineering work" are shown as D Group (second tier), E Industry (third tier), F Machinery (fourth tier), and G Construction (fifth tier); and the subcontractors performing "interior finishing work" are shown as K House (second tier), C Construction Company (third tier), Yamada Taro (fourth tier), Nakamura Jiro (fourth tier), and Sato Ichiro (fifth tier). The solid lines in Figure 4 represent the relationships between companies that have entered into direct contracts. For example, B Construction (1st tier) has contracts with C Construction Company, D Group, and K House; D Group (2nd tier) has contracts with E Industry; K House (2nd tier) has contracts with C Construction Company (3rd tier); and C Construction Company (3rd tier) has contracts with Yamada Taro and Nakamura Jiro, thus forming a subordinate relationship.

[0072] Furthermore, as shown in Figure 4, the construction structure is linked to company information including general contractor and subcontractor information, work type information, construction site information, and user information. By linking company information, work type information, construction site information, user information, etc., to the construction structure in this way, it is possible to easily and efficiently support document management in construction sites where there are complex subordinate relationships between subcontractors and complex correspondences between work types. Note that, as with Construction Company C in the same figure, even within the same construction structure, a person may belong to multiple companies depending on their job, so the construction structure information may contain multiple identical company IDs within a single construction structure ID. Also, a person may belong to multiple construction sites during the same period.

[0073] Furthermore, as shown in Figure 5(a), document format information is managed by a format ID, which includes the document name, document format, etc. Similarly, document item information is managed by an item ID, which includes the format ID, item name, (input) format, etc., as shown in Figure 5(b).

[0074] As shown in Figure 5(c), the provisional document information is managed by the provisional document ID, including the company ID, construction system ID, format ID, item ID, item input content, attached files, and deficiency comments registered by the general contractor who reviewed the document. Also, as shown in Figure 5(d), the duplicate provisional document information is managed by the duplicate provisional document ID, including the provisional document information, company ID, construction system ID, format ID, item ID, item input content, attached files, etc. Note that the various types of information shown in Figure 5 are merely examples and are not limited to these. For example, it may include changes to various items, new items such as registration date and time, or there may be formats created based on the content of other formats.

[0075] The following explanation of the management support system 1 and the processing performed by each functional component will be given with reference to Figures 6-12.

[0076] <Overview of the Management Support System> The management support system 1 according to this embodiment is a system for easily and appropriately managing documents managed at construction sites. Various documents are exchanged at construction sites. In particular, general contractors may request the submission of multiple documents from subcontractors, etc. On the other hand, if there are deficiencies in the submitted documents, the documents must be returned to the subcontractors, etc., and they must be corrected and resubmitted. However, in the case of large-scale construction sites, the number of subcontractors becomes enormous, making it difficult to remember which items of the documents have been corrected.

[0077] Therefore, the management support system 1 accepts input such as status conditions from the general contractor, appropriately registers documents managed at the construction site, can return documents to the contractor, and can identify and display the differences in the input content of items between the corrected documents and the documents before the corrections. The processing flow in the management support system 1 according to this embodiment will be described in detail below.

[0078] <Register various information> Figure 6 shows a sequence diagram of the processing procedure in the management support system 1 and the general contractor terminal 2 and subcontractor terminal 3 according to one embodiment of the present invention. First, in step S201, users such as general contractors and subcontractors (and individuals belonging to these companies) register various information in advance. In this embodiment, users include not only general contractors and subcontractors, but also on-site personnel of the general contractor and workers of the subcontractors (people involved in construction work). The registration unit 101 receives this information and stores it in the storage unit 12.

[0079] In step S202, the communication unit 13 transmits and assigns login IDs (related to user ID, company ID, construction system ID, etc.) to the prime contractor terminal 2 and the subcontractor terminal 3. This allows users of the prime contractor and subcontractors to manage documents on the management support system within the construction system.

[0080] <Submission of provisional documents> In step S203, the communication unit 93 of the contract terminal 3 transmits (submits) the provisional documents to the information processing device 10 of the management support system 1. The contractor's user submits documents (provisional documents) from the construction site to the information processing device 10 via the contract terminal 3. Specifically, the contract terminal 3 transmits the company provisional document information, which has been entered by the user such as the contractor, to the information processing device 10. The contract terminal 3 may submit information on multiple company provisional documents at once.

[0081] Provisional documents are created at each contractor terminal 3 that submits the documents. Provisional documents are created by the user of the contractor who is required to submit the provisional documents. Contractor terminal 3 creates the prescribed provisional documents based on the document format information, document item information, and construction system information, and temporarily stores them as provisional document information in the storage unit 92 of each contractor terminal 3 until submission. Contractors submit the provisional documents at the time of the request from the general contractor, etc.

[0082] Furthermore, the contract terminal 3 may transmit information on multiple provisional company documents from multiple companies to the information processing device 10. For example, a second-tier contractor at a construction site often submits documents to their direct superior, the first-tier contractor, rather than submitting them directly. In this case, the first-tier contractor can submit multiple documents at once, including those created by their own company and those created by the second-tier contractor. Similarly, third-tier and lower-tier contractors can also send (submit) documents created by their own company and those created by contractors in lower tiers to their direct superior, the first-tier contractor can ultimately submit all documents from their subordinate contractors at once.

[0083] Furthermore, each contract terminal 3 at each level can periodically review documents created by contractors at lower levels than the company itself, and can return documents if they are incomplete. <Provisional registration of provisional documents> In step S204, the registration unit 101 of the information processing device 10 provisionally registers the provisional documents. The registration unit 101 provisionally registers the documents (provisional document information) transmitted from the first-tier or lower contract terminals 3.

[0084] In step S205, the registration unit 101 of the information processing device 10 changes the status condition from "not submitted" to "unconfirmed". By changing the status condition to "unconfirmed", the users of the prime contractor and the subcontractors can confirm the submission of the documents. In addition, whenever the status condition is changed, not limited to this status condition, the communication unit 13 of the information processing device 10 may send a notification regarding the change in the status condition to the prime contractor terminal 2 and the subcontractor terminal 3.

[0085] In step S206, the display processing unit 103 of the information processing device 10 displays the provisionally registered documents to the prime contractor terminal 2. Figure 7 shows an example of the display processing result at the user terminal according to this embodiment. Figure 7 shows the display processing result at the prime contractor terminal 2. As shown in the figure, the display screen W10 consists of a document display area W11, a receipt status selection area W12, a deficiency confirmation status selection area W13, a contractor change area W14, a document selection area W15, etc. The prime contractor checks the display screen W10 to confirm whether or not there are any deficiencies in the displayed documents.

[0086] The document display area W11 in Figure 7 displays the specified documents of the specified contractor. Each item in the document displayed in the document display area W11 reflects the company's provisional document information registered by the contractor. In the same figure, a subcontracting notice is displayed as an example of a document.

[0087] The receipt status selection area W12 accepts selection input such as a click operation (selection input) and sends an instruction to the information processing device 10 to change the status to "Received". The deficiency check status selection area W13 accepts selection input and sends an instruction to the information processing device 10 to change the status to "Defective". The contractor change area W14 displays contractors registered with the same construction system ID in the construction system information in a pull-down format, and by selecting each item (company name, etc.), the document displayed in the document display area W11 is changed to the document of the selected contractor. The document selection area W15 displays a list of document names of multiple documents submitted and provisionally registered by a designated contractor and accepts selection input for each item (document name), changing the document displayed in the document display area W11 to the document with the selected document name.

[0088] Although not shown in Figure 7, the display screen W10 also allows users to view the filenames and contents of attached files submitted with the document. By displaying attached files together with the document, it becomes possible to identify the changes in the attached files in the change difference display screen described later.

[0089] The user of the contracting company checks whether there are any deficiencies in the document by looking at the document display area W11 and attached files on the display screen W10. If there are no deficiencies in the document, select the receipt status selection area W12 and set the status to "Received" (S220 described below). On the other hand, if there are deficiencies in the document, the document must be returned to the contractor who created it, and they must be asked to correct it and resubmit it. In this embodiment, we will describe the pattern in which there are deficiencies in the document.

[0090] <Status change, temporary document registration> In step S207 of Figure 6, the communication unit 93 of the prime contractor terminal 2 transmits an instruction to the information processing device 10 to change the status condition to "defective," which was received from the prime contractor. For example, the prime contractor sends an instruction to the information processing device 10 to change the status condition to "defective" by selecting the aforementioned defect confirmation status selection area W13.

[0091] In step S208, the registration unit 101 of the information processing device 10 changes the status condition from "unconfirmed" to "defective".

[0092] In step S209, the registration unit 101 of the information processing device 10 registers a duplicate temporary document corresponding to the temporary document. The registration unit 101 duplicates the temporary document information, assigns a duplicate temporary document ID to it, and stores it in the storage unit 12. The contractor needs to correct the temporary document that had defects, but since the corrected temporary document is also managed with the same ID, the information is overwritten. By registering a duplicate temporary document as an auxiliary, it becomes possible to identify the changes that will be described later.

[0093] <Points of deficiencies> In step S210, the main contractor terminal 2 transmits the details of the deficiencies in the temporary document and registers the details of the deficiencies in the document. For example, the display processing unit 103 of the information processing device 10 receives the details of the deficiencies in text or other format by selecting the deficiency confirmation selection area in Figure 7 and then selecting an item in the displayed document. The received details of the deficiencies are stored in the storage unit 12 as temporary document information. For other items with deficiencies, the subcontractor terminal 3 may register them so that they can be displayed in a way that makes them distinguishable from other items (e.g., by highlighting the items). <Resubmission of corrected documents>

[0094] In step S211, the transmission unit 104 of the information processing device 10 returns (transmits) the defective temporary document to the contract terminal 3 of the user who created it. In this embodiment, the communication unit 13 receives predetermined inputs or instructions from the main contractor terminal 2 and returns the defective temporary document to the contract terminal 3 of the user who created it. At this time, the documents returned may not only be the defective temporary document, but also all temporary documents submitted in S203. The details of the defects registered in S210 can be displayed and confirmed on the contract terminal 3.

[0095] In step S212, the contract terminal 3 corrects the temporary document and creates a corrected document. The corrected temporary document information will look like Figure 5(e), for example. Hereafter, the corrected temporary document will be referred to as the corrected document. The user corrects the items that were deficiencies in the temporary document and creates a corrected document. Specifically, the user corrects the items that were deficiencies in the temporary document information returned from the information processing device 10 and stores the corrected temporary document information in the storage unit 92, for example. <Re-registration of corrected documents>

[0096] In step S213, the contract terminal 3 resubmits (sends) the corrected document to the information processing device 10. The registration unit 101 of the information processing device 10 receives the provisional correction and re-registers it (step S214). The registration unit 101 then changes the status back to "unconfirmed" (step S215).

[0097] <Identifying the differences in changes> In step S216, the difference identification unit 102 identifies the difference in changes between the duplicated temporary document and the corrected document. In this embodiment, the difference identification unit 102 identifies the difference in changes between the duplicated temporary document registered in step S209 and the corrected document re-registered in step S216. More specifically, it identifies the difference in changes by querying the temporary document IDs of the duplicated temporary document information and the corrected document information and identifying the item IDs for which the item input content has changed in both.

[0098] For example, in the case of information obtained from a database, changes are identified by differences in IDs. For items entered by a contractor via text input rather than from a database, changes are identified by the character matching rate. For attached files, changes are identified by differences in attachment file names, file sizes, and other information contained in the files.

[0099] Furthermore, when identifying the differences in changes, the general contractor may have to repeatedly check the same items in the same documents from multiple subcontractors. As will be explained in detail later, in this embodiment, in order to reduce the burden on the general contractor, it is possible to identify the differences in changes in items corresponding to a specific subcontractor and exclude the identification of differences in changes in items corresponding to other subcontractors.

[0100] <Display Processing> In step S217, the display processing unit 103 of the information processing device 10 processes the corrected document for display. In this embodiment, the display processing unit 103 processes the corrected document for display so that the changes identified in step S216 can be identified. Figure 8 shows an example of the display processing result on a user terminal according to this embodiment. Figure 8 shows the display processing result on the main contractor terminal 2. As shown in the figure, the corrected document display screen W20 is composed of a corrected document display area W21, an attached file list display area W28, a deficiency content check area W27, etc.

[0101] Figure 8 shows, as an example, the display process of a corrected document in the corrected document display area W21, which corrects the temporary document displayed in the document display area W11 of Figure 7. For example, suppose the input content of the "Supervisor Name" item W19(x) and the "Safety and Health Promoter Name" item W19(y) in the temporary document of Figure 7 is incorrect. The contractor corrects the input content of items W19(x) and W19(y) in the temporary document that was returned in step S211 and sends it to the information processing device 10 as a corrected document. The difference identification unit 102 of the information processing device 10 identifies the difference in the input content of items W19(x) and W19(y) between the duplicate temporary document and the corrected document, and the display processing unit 103 displays them in an identifiable manner as items W29(x) and W29(y), respectively, on the corrected document display screen W20.

[0102] Figure 8 shows an example of identifiable display processing where the relevant items are colored, but it is not limited to this. For example, it may include asterisks, star marks, or other symbols that are not normally used but can identify differential changes, or the input content may be displayed in red text. By assigning a predetermined identification mark to the corrected items in this way, the general contractor reviewing the document can easily identify at a glance which items have been changed or not.

[0103] Furthermore, although not shown in Figure 9, if, for example, there is a deficiency in the file for a certain item and the corrected document is re-registered with a different file attached, the difference identification unit 102 of the information processing device 10 identifies the difference in the attached file for that item between the duplicated temporary document and the corrected document, and the display processing unit 103 displays it in an identifiable manner on the corrected document display screen W20, for example, as item W29(z) in the attached file list display area W28.

[0104] Figure 9 shows an example of the display processing result in the user terminal according to this embodiment. In the corrected document display screen W20 of Figure 9, in addition to the display area shown in Figure 8, a cursor 700, a receipt status selection area W22, a deficiency confirmation status selection area W23, a change difference display area W26, etc. As shown in the figure, the display processing unit 103 displays the input information contained in the pre-correction items in the temporary document in the change difference display area W26 based on a selection operation using the cursor 700 for the corrected items. The change difference display area W26 may be displayed in a pop-up format based on a selection operation such as a mouse. Furthermore, the selection operation in this embodiment includes click operations and mouseover operations. In addition, depending on the main contractor terminal 2, display processing may be performed by touch operations, etc.

[0105] The main contractor checks the corrected document display screen W20 to confirm whether the deficiencies in the provisional document have been properly corrected and whether there are any other deficiencies. At this time, the deficiency content check area W27 is used to check the deficiencies registered when the provisional document was created and to confirm whether the content of the relevant item has been corrected (step S218). The deficiency content check area W27 may also manage whether the change differences have been confirmed by registering the confirmation of change differences in a checklist format, for example. Alternatively, checkboxes may be provided for confirmation by both the main contractor and the subcontractor that created the document, and the registration unit 101 may register the input to the checkboxes along with the deficiency comments in the corrected provisional document information. The display processing unit 103 may also display the deficiency content check area W27 near the items with deficiencies. Furthermore, if all change differences have not been confirmed, the receipt status selection area W22 may be disabled.

[0106] The corrected document is reviewed, and if there are no deficiencies, "Received" is selected in the receipt status selection area W22, and an instruction is sent to the information processing device to change the status condition to "Received" (step S219), changing the status condition from "Unconfirmed" to "Received" (step S220). If further corrections are required, the deficiency confirmation status selection area W23 is selected, the status condition is changed again from "Unconfirmed" to "Defective," and the document is returned to the contract terminal 3 of the user who submitted it. That is, the process returns to S207.

[0107] Even if steps S207 to S218 are repeated multiple times in this manner, the change differences of the corrected document may be displayed, for example, as shown in the change difference display area W26. Specifically, the registration unit 101 re-registers the corrected document (second corrected document) that has been further corrected from the corrected document that has been returned to the contractor, the difference identification unit 102 identifies the change differences for the duplicated temporary document, the corrected document, and the second corrected document, and the display processing unit 103 may display the identified change differences in an identifiable manner based on a selection operation of any of the following: the duplicated temporary document and the corrected document, the duplicated temporary document and the second corrected document, or the corrected document and the second corrected document.

[0108] Figure 10 shows an example of the display processing result in the user terminal according to this embodiment. The corrected document list display screen W30 in Figure 9 displays the changes before correction, the changes after correction display area W31(a), etc. The display processing unit 103 switches between the corrected document display screen W20 and the corrected document list display screen W30 based on a predetermined selection operation such as a click operation. The document items may be displayed in a list in this way, and the contents of the documents and the changes may be checked. In the corrected document list display screen W30 as well, the changes may be displayed side by side, for example, as item W39(x) and item W39(y), and further displayed in a way that makes them identifiable.

[0109] In step S221, the registration unit 101 duplicates the correction document whose status condition is "received" and stores it in the storage unit 12.

[0110] In step S222, the display processing unit 103 stops the display processing of the change differences. As a specific example, the display processing unit 103 stops the identifiable display processing for the change differences based on the status condition being changed to "received".

[0111] <Specific exclusion of differences> The following describes the details of the processing in S213 to S217. Specifically, when a prime contractor reviews the same document from multiple subcontractors, it identifies the change differences in items corresponding to a specific subcontractor and excludes the identification of change differences in items corresponding to other subcontractors. Figure 11 shows a flowchart of the procedure for excluding the identification of difference changes that the information processing device 10 executes in S213 to S217 according to this embodiment.

[0112] In step S301 of Figure 11, the registration unit 101 of the information processing device re-registers the corrected documents of multiple contractors. Specifically, the registration unit 101 re-registers safety documents that have been resubmitted by multiple contractors at the same construction site, which include multiple items relating to multiple contractors with a predetermined hierarchical structure at the construction site. The safety documents include safety documents relating to subcontracting at the construction site.

[0113] Figure 12 shows a schematic image of safety documents managed (registered) by the management support system 1 according to one embodiment of the present invention. At a construction site, contractors are required to submit safety documents (green files) to the general contractor so that the general contractor can understand the situation and condition. Examples of safety documents include subcontracting notification, subcontractor organization list, worker roster, Type 1 Specified Skilled Worker Construction Site Entry Notification, notification of use of brought-in machinery (mobile cranes / construction machinery vehicles, etc.), construction / commuter vehicle notification, fire use notification, notification of use of brought-in machinery (electric tools / electric welding machines, etc.), safety and health plan, minor employment report, elderly employment report, etc.

[0114] A subcontracting notice is created when a higher-level contractor outsources part of the work it has undertaken to another (lower-level) contractor. The higher-level contractor prepares the notice, which includes the name of the general contractor, information about the higher-level contractor, and information about the lower-level contractor. The higher-level contractor describes what work they have undertaken and which companies have been assigned which tasks. For example, in Figure 4, B Construction (1st tier) prepares subcontracting notices for each of the contractors (2nd tier) that it has worked for—C Construction, D Group, and K House—and submits them to general contractor A (general contractor).

[0115] For example, Group D (second-tier) prepares a sub-subcontracting notice for E Industrial, a third-tier contractor that Group D has worked for, and submits it to the general contractor A (or B Construction). K House (second-tier) prepares a sub-subcontracting notice for C Construction (third-tier), a third-tier contractor that Group K has worked for, and submits it to the general contractor A (or B Construction).

[0116] The subcontracting notification form includes fields for inputting information about the higher-level contractor (our company), information about the lower-level contractors undertaken by our company, information about the prime contractor, information about the construction site, etc. These fields are created on the contracting terminal 3, etc., based on user information, company information, project information, work type information, etc. The subcontracting notification form created and submitted to the information processing device 10 is provisionally registered as provisional document information.

[0117] In step S302 of Figure 11, the difference identification unit 102 identifies the difference in changes between the duplicated provisional documents and the corrected documents of multiple contractors, similar to S216.

[0118] In step S303, the difference identification unit 102 receives input from the prime contractor user regarding whether or not to enable the exclusion of specific change differences from other contractors. This input may be received, for example, by selecting on the correction document display screen W20 in Figure 8.

[0119] In step S304, the display processing unit 103 displays the changes in a predetermined correction document relating to a specific contractor selected by the user, similar to S217.

[0120] In step S305, the difference identification unit 102 excludes the identification of change differences in corresponding items other than those corresponding to the specific contractor selected by the user in S217. The difference identification unit 102 excludes the identification of change differences in corresponding items of safety documents other than those corresponding to the specific contractor selected by the user in S217 among the multiple safety documents. More specifically, based on the construction system information, it excludes the identification of change differences of other contractors in the construction system for the change differences of items corresponding to the specific contractor identified in S304.

[0121] For example, in Figure 4, general contractor A checks the subcontracting notices for "B Construction - C Construction Company," "B Construction - D Group," and "B Construction - K House." If the difference identification unit 102 checks for changes in the items related to B Construction in general contractor A's subcontracting notice for "B Construction - C Construction Company," it excludes the identification of the difference change in the relevant item related to B Construction in the subcontracting notices for "B Construction - D Group" and "B Construction - K House" based on the construction system information. Therefore, general contractor A only needs to check the difference changes in the items of the lower-level contractors of B Construction (on the right side of the subcontracting notice) for the remaining documents, reducing the effort required to check the documents.

[0122] For example, in Figure 4, general contractor A checks the subcontracting notices for "Group D - E Industry" and "E Industry - F Machinery." If the difference identification unit 102 checks for changes in the items related to E Industry in general contractor A's subcontracting notice for "Group D - E Industry," it excludes the identification of the difference change in the item related to E Industry in the subcontracting notice for "E Industry - F Machinery" based on the construction system information. Therefore, general contractor A only needs to check for differences in items other than those related to E Industry in the remaining documents, reducing the effort required for document verification.

[0123] For example, in Figure 4, general contractor A checks the subcontracting notices for "B Construction - C Construction Company (1st tier)", "K House - C Construction Company (2nd tier)", "C Construction Company (2nd tier) - Yamada Taro", and "C Construction Company (2nd tier) - Nakamura Jiro". If the difference identification unit 102 checks for changes in the "job duties" and "address" items of C Construction Company (2nd tier) in the subcontracting notice for "C Construction Company (2nd tier) - Yamada Taro", it excludes the identification of differences in the "job duties" and "address" items of "C Construction Company (2nd tier) - Nakamura Jiro", as well as the "address" item of "B Construction - C Construction Company (1st tier)", based on the construction system information. In this way, even if the company is the same, differences can be appropriately excluded even if the contracting level, dependency relationships, job duties, etc. are different.

[0124] In step S306 of Figure 11, the difference identification unit 102 determines whether there are any changes in the document that are naturally occurring, and if there are, it excludes the identification of those changes (step S307). Natural changes refer to information that changes naturally based on user information, such as the age and years of experience of workers at a construction site.

[0125] Since construction periods are expected to be long, the user's age and years of experience may change during the construction period. Therefore, differences in changes due to natural variations will be excluded from specific analysis.

[0126] By executing steps S301 to S307 above, for example, when the display processing unit 103 processes and displays the corrected documents of another contractor, the changes in the items corresponding to multiple contractors with a predetermined hierarchical structure, which were confirmed in the corrected documents of a given contractor, are not identified. Therefore, the items are not identifiable and are displayed as usual. This reduces the effort required for the prime contractor user to review the documents.

[0127] Furthermore, as shown in Figure 12, in the subcontracting notice, the information of the higher-level contractor is written on the left side, and the information of the lower-level contractor is written on the right side. Therefore, the difference identification unit 102 can identify the change differences in items corresponding to either the higher-level contractor or the lower-level contractor based on a selection operation from the prime contractor and / or the contractor, and exclude the identification of change differences in items corresponding to either the other of the higher-level contractor or the lower-level contractor. Alternatively, the display processing unit 103 can be configured to display only the right / left side of the subcontracting notice in the corrected document display area W21, for example, so that the information of either the higher-level contractor or the lower-level contractor can be confirmed.

[0128] As described above, the configuration of the present invention provides a new technology for easily and efficiently managing documents at construction sites. [Explanation of Symbols]

[0129] 1. Management support system 2 Main contractor terminal 3 Contract terminal 10 Information Processing Devices 11 Control Unit 12 Storage section 13 Communications Department 90 devices 91 Control Unit 92 Memory section 93 Communications Department 94 Input section 95 Output section 101 Registration Department 102 Difference identification part 103 Display Processing Unit 104 Transmitter 700 Cursors NW Network

Claims

1. A management support system that assists in the management of documents at construction sites, The management support system comprises a storage unit, a registration unit, a transmission unit, a difference identification unit, and a display processing unit. The registration unit receives provisional documents from the contractor at the construction site, provisionally registers the provisional documents, receives status conditions from the general contractor, and registers a duplicate provisional document corresponding to the provisional document based on the status conditions. The transmission unit, based on the input of the status conditions by the prime contractor, returns the provisional documents to the contractor. The registration unit further receives the corrected documents, which are the revised versions of the provisional documents that were returned to the contractor, and re-registers the corrected documents. The difference identification unit identifies the difference in changes between the duplicated provisional document and the corrected document, The display processing unit processes the identified change differences to display them in an identifiable manner. The aforementioned status conditions relate to the management status of the aforementioned documents by the prime contractor, and the aforementioned management status includes management status indicating deficiencies in the aforementioned provisional documents. The aforementioned provisional document is the document received by the contractor and returned to the contractor upon input of the status conditions by the general contractor. The aforementioned duplicated provisional document is the document that is duplicated and stored in the storage unit when the provisional document is returned to the contractor. Management support system.

2. The transmission unit, based on the input of the status conditions by the prime contractor, returns the corrected documents to the contractor. The registration unit receives a second set of corrected documents, which are further corrected versions of the first set of corrected documents that were returned to the contractor, and re-registers the second set of corrected documents. The difference identification unit identifies the difference in changes between the duplicated provisional document and the corrected document, the difference in changes between the duplicated provisional document and the second corrected document, and the difference in changes between the corrected document and the second corrected document, respectively. The display processing unit, based on any of the following selection operations by the main contractor, which is to display the difference in changes between the duplicated provisional document and the corrected document, to display the difference in changes between the duplicated provisional document and the second corrected document, and to display the difference in changes between the corrected document and the second corrected document, displays the identified difference in changes in an identifiable manner. The management support system according to claim 1.

3. The aforementioned document has several items related to the construction site, The display processing unit affixes a predetermined identification mark to the corrected item in the corrected document. The management support system according to claim 1 or claim 2.

4. The display processing unit displays the input information included in the item before correction in the provisional document based on the selection operation of the item to which the identification mark has been assigned. The management support system according to claim 3.

5. The selection operation includes a predetermined mouseover operation performed by the contractor and / or the prime contractor. The management support system according to claim 4.

6. The display processing unit, based on the selection operation of the item to which the identification mark has been assigned, displays the input information included in the item before correction and the corrected input information included in the item after correction side by side. The management support system according to claim 3.

7. The selection operation includes a predetermined click operation by the contractor and / or the prime contractor, The management support system according to claim 6.

8. The aforementioned documents include a subcontracting notice in the safety documents, The aforementioned subcontracting notice includes several items relating to the higher-level contractor corresponding to the construction site, and several items relating to the lower-level contractor to the said higher-level contractor, The difference identification unit identifies the change difference in the item corresponding to either the superior contractor or the subordinate contractor, based on a selection operation from the prime contractor and / or the subcontractor, and excludes the identification of the change difference in the item corresponding to either the superior contractor or the subordinate contractor. The management support system according to claim 1.

9. The difference identification unit excludes natural changes, including the age of the workers at the construction site, from the difference in changes, based on the construction system which includes information about the workers belonging to the contractor. The management support system according to claim 1.

10. The display processing unit stops the display processing of the change differences after the re-registration of the corrected document, based on the input of the status conditions regarding receipt. The management support system according to claim 1.

11. A management support method implemented by a management support system that assists in the management of documents at a construction site, The management support system comprises a storage unit, a registration unit, a transmission unit, a difference identification unit, and a display processing unit. The aforementioned registration department receives provisional documents from the contractor and provisionally registers the said provisional documents, The registration unit receives input of status conditions from the prime contractor and registers a duplicate provisional document corresponding to the provisional document based on the status conditions. The transmission unit, based on the input of the status conditions by the prime contractor, returns the provisional documents to the contractor. The registration unit further receives the corrected documents, which are the revised versions of the provisional documents that were returned to the contractor, and re-registers the corrected documents. The difference identification unit performs the step of identifying the difference in changes between the duplicated provisional document and the corrected document, The display processing unit includes the step of displaying the identified change difference in an identifiable manner, The aforementioned status conditions relate to the management status of the aforementioned documents by the prime contractor, and the aforementioned management status includes management status indicating deficiencies in the aforementioned provisional documents. The aforementioned provisional document is the document received by the contractor and returned to the contractor upon input of the status conditions by the general contractor. The aforementioned duplicated provisional document is the document that is duplicated and stored in the storage unit when the provisional document is returned to the contractor. Management support methods.

12. A management support program that assists in the management of documents at construction sites, The computer is configured to function as a storage unit, a registration unit, a transmission unit, a difference identification unit, and a display processing unit. The registration unit receives a provisional document from the contractor, provisionally registers the provisional document, receives status conditions from the general contractor, and registers a duplicate provisional document corresponding to the provisional document based on the status conditions. The transmission unit, based on the input of the status conditions by the prime contractor, returns the provisional documents to the contractor. The registration unit further accepts the corrected documents, which are the revised versions of the provisional documents that were returned to the contractor, and re-registers the corrected documents. The difference identification unit identifies the difference in changes between the duplicated provisional document and the corrected document, The display processing unit processes the identified change differences to display them in an identifiable manner. The aforementioned status conditions relate to the management status of the aforementioned documents by the prime contractor, and the aforementioned management status includes management status indicating deficiencies in the aforementioned provisional documents. The aforementioned provisional document is the document received by the contractor and returned to the contractor upon input of the status conditions by the general contractor. The aforementioned duplicated provisional document is the document that is duplicated and stored in the storage unit when the provisional document is returned to the contractor. Management support program.

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