Planning method and system for new facilities of existing project

Abstract

The invention provides a planning method and system for new facilities of an existing project, and the method comprises the steps: obtaining the function demands of the existing project, and determining the performance parameters of the corresponding new facilities; calling a preset standard flow of a newly-added facility in the existing project, and generating a preliminary construction scheme of the existing project and the newly-added facility; optimizing the preliminary construction scheme of the newly-added facilities of the existing project through a processing algorithm, and generating construction stages and corresponding construction contents of the existing project and the newly-added facilities; and generating a project progress plan based on the construction stages of the existing project and the newly-added facility and the construction logic relationship between the corresponding construction contents. According to the invention, by integrating the standard process of the newly added facilities in the existing project, combining the algorithm optimization to generate the construction stage and the corresponding construction content, and determining the progress plan based on the construction logic relationship, the problem that technical conflicts and project processing scheme generation are difficult to consider by depending on manual planning in the prior art is solved; and the problem of design modification in the implementation stage is solved.

Description

Technical Field

[0001] This invention relates to the field of engineering planning technology, and in particular to a planning method and system for adding new facilities to existing projects. Background Technology

[0002] During the operation of industrial facilities, it is often necessary to add new facilities to improve system reliability or meet maintenance requirements. For example, after a nuclear power plant is commercially operational, it may need to supplement its fleet with emergency diesel generator sets as backups, but the relevant locations and interfaces are usually not reserved in the initial design phase. This leads to multiple challenges for adding new facilities: coordinating the functional requirements of existing engineering with the performance parameters of the new facilities; handling complex interface definitions, including electrical, control, and utility interfaces; locating the plant within limited space to avoid conflicts with underground pipelines; and ensuring that construction deployment does not affect the operation of existing engineering. Existing methods rely on manual experience to conduct decentralized analysis and then integrate the data, lacking direct and systematic process integration, making it difficult to efficiently generate integrated planning solutions.

[0003] Especially in high-safety-requirement scenarios such as nuclear power plants, new facilities must meet stringent technical constraints, such as seismic resistance levels, safety distances, and external disaster protection requirements. Existing technologies cannot automatically perform site-specific verification of planning schemes, leading to incompatibility between planning schemes and construction requirements, resulting in construction rework, project delays, and safety risks. Because manual planning struggles to balance technical conflicts with the generation of engineering solutions, frequent design modifications during the implementation phase affect the normal operation of nuclear power plants. Summary of the Invention

[0004] This invention provides a planning method and system for adding new facilities to existing projects. By integrating the standard processes involved in adding new facilities to existing projects, combining algorithms to optimize and generate construction stages and corresponding construction content, and determining the schedule plan based on the construction logic relationship between them, this invention solves the problem in the prior art that relying on manual planning makes it difficult to balance technical conflicts and the generation of engineering solutions, leading to design modifications during the implementation phase.

[0005] This invention provides a planning method for adding facilities to an existing project, comprising: obtaining the functional requirements of the existing project and determining the performance parameters of the corresponding new facilities based on the functional requirements; invoking a pre-set standard process for adding facilities to an existing project and generating a preliminary construction plan for the existing project and a preliminary construction plan for the new facilities based on the functional requirements and performance parameters; optimizing the preliminary construction plan for the existing project and the preliminary construction plan for the new facilities through a processing algorithm to generate the construction stages and corresponding construction content of the existing project and the construction stages and corresponding construction content of the new facilities; and generating a project schedule plan based on the construction logic relationship between the construction stages and corresponding construction content of the existing project and the construction stages and corresponding construction content of the new facilities.

[0006] In one embodiment of the present invention, the existing project is a nuclear power plant, and the new facility is an emergency diesel generator set.

[0007] In one embodiment of the present invention, the preliminary existing engineering construction plan and the preliminary new facility construction plan include at least the interface plan, layout plan and implementation deployment plan of the new facility and the existing engineering.

[0008] In one embodiment of the present invention, the interface scheme includes an electrical access scheme, a control system access scheme, and an engineering system access scheme.

[0009] In one embodiment of the present invention, the processing algorithm includes at least one of a conflict detection algorithm, a route planning algorithm, and a spatial analysis algorithm.

[0010] In one embodiment of the present invention, the step of optimizing the preliminary existing engineering construction plan and the preliminary new facility construction plan by means of processing algorithms includes: identifying spatial interference between the new facility and the existing engineering by means of a conflict detection algorithm; optimizing the pipeline path between the new facility and the existing engineering by means of a routing planning algorithm; and evaluating the pipeline network distribution between the new facility and the existing engineering by means of a spatial analysis algorithm.

[0011] In one embodiment of the present invention, when generating an electrical access scheme, a cable corridor connecting the new facility and the critical load in the existing project is planned in the existing project through a routing planning algorithm.

[0012] In one embodiment of the present invention, when planning cable corridors, the spatial analysis algorithm assesses the existing pipeline distribution based on the foundation bearing capacity along the cable corridor path, and generates an excavation and replacement engineering solution when the foundation conditions are not met.

[0013] In one embodiment of the present invention, when generating a control system access scheme, a signal switching box is used to realize the communication integration between the new facility and the distributed control system in the existing project, and the switching logic of operation permissions is configured.

[0014] In one embodiment of the present invention, when generating an engineering system access scheme, a routing planning algorithm is used to determine the optimal pipeline path for drawing cooling water, compressed air and fire-fighting media from the existing project, and to mark the key nodes where isolation valves need to be installed.

[0015] In one embodiment of the present invention, when generating the layout scheme, the spatial analysis algorithm is used to perform spatial conflict detection between the layout scheme of the new facilities and the underground pipeline network and operating area of ​​the existing project, and to ensure that the layout meets the minimum safety distance requirements.

[0016] In one embodiment of the present invention, when generating an implementation deployment plan, the construction phase and the progress planning nodes of the corresponding construction content of the new facility in the existing project are determined based on the supply cycle of the new facility.

[0017] This application also proposes a planning system for implementing the above method, including an input module, an output module, and a planning module; the input module is used to obtain the functional requirements of the existing project and the performance parameters of the corresponding new facilities; the output module is used to display the project schedule plan that generates the construction logical relationship between the construction stages and corresponding construction contents of the existing project and the new facilities; the planning module is used to process the standard process of adding new facilities in the existing project into a preliminary construction plan for the existing project and the new facilities, optimize the preliminary construction plan of the existing project and the new facilities into construction stages and corresponding construction contents, and generate a project schedule plan based on the construction logical relationship between the construction stages and corresponding construction contents of the existing project and the new facilities.

[0018] The beneficial effects of this invention are as follows: The planning method and system for adding new facilities to existing projects proposed in this invention systematically processes the functional requirements of existing projects and the performance parameters of new facilities, combines algorithm optimization to generate construction stages and corresponding construction content, and determines the schedule based on the construction logic relationship between them. This effectively solves the problem of incompatibility between planning schemes and construction requirements, such as spatial interference and layout conflicts, which leads to uncertain schedules in the planning of new facilities in existing projects. This improves the accuracy of schedule determination and reduces construction rework and project delays. Attached Figure Description

[0019] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application. It is obvious that the drawings described below are merely some embodiments of this application, and those skilled in the art can obtain other drawings based on these drawings without any inventive effort.

[0020] In the attached diagram: Figure 1 A flowchart illustrating a method for planning new facilities in an existing project, as provided in an embodiment of the present invention; Figure 2 This is a flowchart of a newly added emergency diesel generator for a nuclear power plant provided in one embodiment of the present invention; Figure 3 This is a schematic diagram of the progress planning for adding new facilities to an existing project, provided in one embodiment of the present invention. Detailed Implementation

[0021] The following specific examples illustrate the implementation of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0022] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of the present invention. The drawings only show the components related to the present invention and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0023] In the following description, numerous details are explored to provide a more thorough explanation of embodiments of the invention. However, it will be apparent to those skilled in the art that embodiments of the invention may be practiced without these specific details. In other embodiments, well-known structures and devices are shown in block diagram form rather than in detail to avoid obscuring embodiments of the invention.

[0024] Please see Figures 1 to 3 , Figure 1 A planning method for adding new facilities to an existing project, as provided in one embodiment of the present invention, includes: Obtain the functional requirements of existing projects and determine the performance parameters of the corresponding new facilities based on the functional requirements; Specifically, obtaining the functional requirements of existing projects and determining the performance parameters of corresponding new facilities can be understood as the process of extracting key information from the operational data of existing projects and the technical specifications of new facilities. For example, performance indicators are determined by collecting operational records of existing projects and combining them with the technical manuals or design documents of new facilities. Existing projects, such as nuclear power plants, determine the power supply performance of required new facilities, such as emergency generator sets, based on their power supply needs. This process is mainly used to ensure that the functions provided by the new facilities match the needs of the existing projects.

[0025] Call the pre-set standard process for adding facilities to existing projects, and generate preliminary construction plans for existing projects and preliminary construction plans for new facilities based on functional requirements and performance parameters; Specifically, invoking a pre-defined standard process for adding facilities to existing projects can be understood as a process of quickly generating construction plans using industry-standard design templates or standardized operating procedures. Correspondingly, the construction plan needs to be determined based on the functional requirements and performance parameters defined in the existing project and the new facilities to determine its specific content. For example, a modular design approach can be used to decompose the layout and interface schemes of the new facilities into multiple independent sub-modules, and then combine these modules to generate the overall construction design framework. As a preferred implementation method, a preliminary construction plan can also be generated by manually setting specialized standard construction process content. This step simplifies the design process for construction plans in complex scenarios.

[0026] The preliminary construction plans for existing projects and new facilities are optimized by processing algorithms to generate the construction stages and corresponding construction contents for existing projects and new facilities. Specifically, optimizing the preliminary construction plans for existing projects and new facilities using processing algorithms can be understood as a process of using computational models to perform conflict detection, path optimization, and spatial analysis on the designed preliminary construction plans. For example, it can optimize pipeline paths between new facilities and existing projects, or assess the structural compatibility between new facilities and existing projects. It can also predict potential risks in the designed preliminary construction plans and make corresponding adjustments to determine the final construction stage and corresponding construction content, thus avoiding risks. This step aims to ensure that the new facilities in the designed construction plan meet the engineering requirements in terms of physical space and construction logic relationships with the existing projects.

[0027] The project schedule is generated based on the construction logic relationship between the construction stages and corresponding construction contents of existing projects and the construction stages and corresponding construction contents of new facilities.

[0028] Specifically, the construction logic relationship between the construction stages and corresponding construction contents of existing projects and new facilities can be understood as a process of coordinating the schedule planning nodes of construction stages and corresponding construction contents to achieve optimal resource allocation. For example, Gantt charts can be used to visually manage the construction stages and corresponding construction contents of the new facilities' manufacturing cycle, transportation time, and installation time, and to determine whether the civil engineering construction stages and corresponding construction contents of the existing projects need to be completed in advance or simultaneously, so that installation can be carried out directly when the new facilities arrive at the existing projects. The schedule planning can also be adjusted in real time according to the actual progress. The main purpose of this step is to ensure that the construction process of the new facilities can match the operating rhythm of the existing projects.

[0029] In this embodiment of the invention, by systematically integrating requirements analysis, standard process application, algorithm verification, and schedule coordination, problems caused by deficiencies in the early design when adding facilities to existing projects are effectively addressed. Compared to the traditional process of adding facilities to existing projects, such as adding emergency diesel generator sets to nuclear power plants, which requires complex and detailed feasibility analysis, this embodiment simplifies the design and implementation process of adding facilities by applying pre-set standard processes and processing algorithms. At the same time, through dynamic adjustment of the schedule planning, it avoids delays caused by schedule mismatch or schedule disconnect.

[0030] Thus, by systematically integrating requirements analysis, standard process application, algorithm verification, and schedule coordination, the integration complexity caused by the lack of early design in adding facilities to existing projects can be addressed. First, the functional requirements of the existing project are obtained, and the performance parameters of the corresponding new facilities are determined based on these requirements. This ensures that the design starting point accurately matches the actual project needs, avoiding the failure of subsequent solutions due to parameter deviations. For example, in a nuclear power plant scenario, clearly defining key parameters such as the start-up time and safety level of the emergency diesel generator set directly supports its function as a backup facility, preventing the risk of reactor shutdown due to insufficient performance. Furthermore, pre-defined standard processes for adding facilities to existing projects are invoked and processed. Based on functional requirements and performance parameters, preliminary construction plans for both the existing project and the new facility are generated. This leverages industry-verified standardized steps (such as layout and interface schemes) to quickly build the design framework. Existing projects, such as nuclear power plants, require consideration of multiple dimensions such as electrical access and control systems for adding facilities. Pre-defined processes directly embed these elements, simplifying the analysis process from scratch in projects not previously planned. Specifically, the algorithm optimizes the preliminary construction plans for existing projects and new facilities, generating construction stages and corresponding content for both existing and new facilities. This step utilizes algorithms to automatically identify potential conflicts and optimize solutions. For example, in the design of cable corridors between existing nuclear power plant projects and new emergency generator units, the routing planning algorithm dynamically adjusts the path based on foundation conditions. The spatial analysis algorithm monitors the distribution of pipelines and safety distances in real time, ensuring that the generated implementation content avoids spatial interference and interface mismatch issues during the construction phase. Thus, based on the construction logic relationship between the construction stages and corresponding content of existing projects and new facilities, a project schedule is generated, coupling the technical solution with the project timeline. By optimizing the construction logic relationship, the system dynamically plans the connection between key nodes such as diesel engine manufacturing and plant construction, avoiding delays caused by schedule discrepancies, thereby ensuring the efficient implementation of new facilities in complex existing environments. As a preferred implementation method, this method solves the complex feasibility analysis problem caused by the lack of reserved locations and interfaces when adding new facilities to existing projects through the coordinated operation of the above steps. This ensures that the new facilities can be seamlessly integrated and reduces the impact on project operation, avoiding downtime losses and maintenance inconvenience caused by facility failure repairs.

[0031] In one embodiment, the existing project is a nuclear power plant, and the new facility is an emergency diesel generator set.

[0032] Specifically, a nuclear power plant refers to a large-scale power generation facility with a nuclear reactor as its core energy source. Its planning and design must strictly adhere to nuclear safety regulations and standards. In practical applications, the planning of a nuclear power plant typically requires comprehensive consideration of core elements such as foundation bearing capacity, external disaster protection, and the layout of critical areas. Emergency diesel generator sets, as key backup power equipment in nuclear power plants, primarily function to automatically start and provide emergency power support when the nuclear power plant loses its main power supply and external grid backup power, ensuring the safe operation of the nuclear power plant.

[0033] Furthermore, by clearly defining existing facilities as nuclear power plants and new facilities as emergency diesel generator sets, this planning methodology can precisely focus on the high safety constraints and complex operation and maintenance requirements unique to nuclear power plants. In a nuclear power plant environment, the processing algorithms within the planning methodology automatically incorporate minimum safety clearances and seismic design requirements, avoiding site layout conflicts caused by neglecting nuclear safety regulations. Simultaneously, it can specifically optimize cable corridor routes, ensuring reliable electrical connections between new facilities and critical loads such as the nuclear island in existing facilities, and achieving seamless communication of the control system through signal switching mechanisms, thereby effectively mitigating the risk of reactor shutdowns caused by interface incompatibility. This improves the feasibility and implementation efficiency of the planning process, especially when dealing with complex interface integration logic, better meeting the special safety requirements and space constraints of a nuclear power plant environment.

[0034] Building upon this foundation, not only were the issues of general planning methods failing to adequately consider the unique safety requirements and space constraints of nuclear power plants resolved, but the preciseness and efficiency of the planning were also ensured through scenario-specific constraints. For instance, when adding emergency diesel generator sets to a nuclear power plant, it is essential to deeply integrate the interface logic of existing systems to ensure the rationality and reliability of electrical access schemes, control system access schemes, and engineering system access schemes. This constraint makes the entire planning process more rigorous, reduces potential risks and unnecessary rework, and facilitates the long-term operation and maintenance of nuclear power plants.

[0035] In one embodiment, the preliminary existing engineering construction plan and the preliminary new facility construction plan include at least the interface plan, layout plan and implementation plan of the new facility and the existing engineering.

[0036] Specifically, in this embodiment of the invention, the interface scheme refers to the design and planning of the system connection between the new facility and the existing project. It can be implemented by optimizing pipeline paths using routing planning algorithms or by achieving communication integration through signal switching logic. The aim is to reduce routing interference in system connections and support the generation of reliable integration schemes. The layout scheme refers to the positioning scheme for the new facility generated based on the spatial structure and safety specifications of the existing project. It can be implemented by simulating and evaluating potential interference areas using spatial analysis algorithms. The aim is to identify and avoid spatial conflicts in advance, ensuring that the new facility meets the minimum safety distance requirements. The implementation and deployment scheme refers to the specific construction content determined based on the preliminary construction plan of the existing project and the new facility, as well as its interface and layout schemes. It can use conflict detection algorithms to compare the construction content with the construction requirements of the existing project, aiming to avoid carrying out work that does not meet safety requirements. It can also detect the progress plans between different construction stages and corresponding construction content to avoid construction logic conflicts that affect the progress plan.

[0037] More specifically, the layout plan incorporates the spatial characteristics of the existing project, effectively identifying potential spatial interference issues during the optimization phase and avoiding implementation delays due to location conflicts. The interface plan fully considers the system architecture and operational logic of the existing project, enabling optimization of paths for electrical and control system connections during the optimization phase, ensuring seamless integration between systems. Based on this, the layout and interface plans work together to resolve potential issues related to spatial compatibility and system integration of new facilities, thereby ensuring the rationality of the schedule planning and the feasibility of facility integration. Furthermore, it enhances the accuracy and efficiency of subsequent implementation and deployment.

[0038] In one embodiment, the interface scheme includes an electrical access scheme, a control system access scheme, and an engineering system access scheme.

[0039] In this embodiment of the invention, the electrical access scheme refers to the planning of the power transmission path between the new facility and the existing project. This can be achieved by using routing planning algorithms to design cable corridors connecting the new facility and critical loads, aiming to avoid electrical conflicts and ensure power supply reliability. The control system access scheme can be understood as a standardized communication integration scheme between the new facility and the existing project. This can be achieved by using signal switching boxes to handle signal switching and operation permission logic between distributed control systems, aiming to ensure accurate transmission of control commands and operational safety. The engineering system access scheme refers to the optimized connection scheme for the support system between the new facility and the existing project. This can be achieved by using routing planning algorithms to determine the optimal paths for pipelines such as cooling water, compressed air, and fire-fighting media, and marking critical nodes, aiming to ensure the complete operation of the support system functions.

[0040] More specifically, the interface scheme must clearly cover three dimensions: electrical access, control system access, and engineering system access. When adding emergency diesel generator sets to a nuclear power plant, the first step is to generate cable corridors using routing planning algorithms to complete electrical access. Simultaneously, communication integration of the control system is achieved using signal switching boxes, and the piping paths of the support system are optimized using routing planning algorithms. This ensures that the interface verification process covers all key integration dimensions, reducing technical risks during implementation. Furthermore, based on the functional requirements of existing engineering and the performance parameters of the new facilities, the above scheme is combined with the preliminary construction scheme generated by standard procedures to ensure the complete integration of the new facilities with existing engineering, thereby avoiding planning blind spots caused by interface omissions.

[0041] In one embodiment, the processing algorithm includes at least one of a conflict detection algorithm, a route planning algorithm, and a spatial analysis algorithm.

[0042] In this embodiment of the invention, the conflict detection algorithm refers to an algorithm that identifies potential interference between new facilities and existing projects and their construction content based on spatial data in the design content. It can be implemented using spatial detection based on geometric models and constraint methods based on safety rules. Its purpose is to ensure that physical layout conflicts are discovered and corrected during the planning stage, avoiding rework and safety risks caused by spatial overlap during construction. The routing planning algorithm refers to an algorithm that optimizes connection paths based on pipeline constraints of existing projects. It can employ a shortest path search algorithm based on graph theory to reduce path length and complexity, improve resource utilization efficiency, and ensure the reliable operation of critical systems such as electrical connections and cooling water connections. The spatial analysis algorithm refers to an algorithm that verifies the layout scheme by evaluating foundation bearing capacity and pipeline distribution. It can be implemented using a foundation bearing capacity assessment model based on geological data and a distribution analysis method based on pipeline topology. Its purpose is to ensure that new facilities meet minimum safety distance requirements and strengthen the compliance and stability of the design scheme.

[0043] Furthermore, conflict detection algorithms, by modeling and analyzing spatial data between new facilities and existing projects, can quickly identify potential interference areas and generate adjustment suggestions, effectively avoiding layout conflicts during the construction phase. Routing planning algorithms, combined with the pipeline distribution of existing projects, calculate the optimal path through optimization algorithms. For example, in cable corridor planning, this algorithm can comprehensively consider factors such as path length, construction difficulty, and maintenance convenience to generate a route scheme that meets actual needs. Spatial analysis algorithms, through a comprehensive assessment of foundation bearing capacity and pipeline distribution, can provide a scientific basis for the layout of new facilities. For example, when planning cable corridors, this algorithm can propose excavation and replacement engineering solutions based on foundation conditions, thereby ensuring the feasibility of the layout scheme. In addition, the flexible application of at least one algorithm allows the verification process to be customized for different verification priorities. For example, combining conflict detection and spatial analysis algorithms in the layout scheme comprehensively covers verification needs such as interface integration and site layout, ultimately achieving accurate verification of design content and reliable generation of implementation content.

[0044] In this way, not only are problems such as layout conflicts, inefficient paths, and mismatched foundation conditions caused by the lack of specific algorithm specifications during the design verification process resolved, but the risk of construction rework and the possibility of schedule delays are also significantly reduced, providing support for the efficient planning of new facilities.

[0045] In one embodiment, the step of optimizing the preliminary existing engineering construction plan and the preliminary new facility construction plan using a processing algorithm includes: Spatial interference between new facilities and existing projects is identified through conflict detection algorithms; Specifically, conflict detection algorithms are computational methods based on geometric modeling and spatial scanning techniques. These methods can be implemented using 3D point cloud scanning, bounding box detection, or distance field analysis. They can quickly identify subtle overlaps or insufficient distances between new facilities and existing projects, thus eliminating physical conflicts in advance during the design phase. The purpose of introducing this algorithm is to avoid construction rework caused by space constraints, which is particularly important in complex environments such as nuclear power plants.

[0046] Optimize pipeline routes between new facilities and existing projects using routing planning algorithms; Specifically, routing planning algorithms can be understood as optimization tools based on graph theory and shortest path calculation logic, which can be implemented through search algorithms or genetic algorithms. These algorithms can dynamically adjust pipeline routes to avoid existing obstacles and shorten path lengths, ensuring that cable corridors or pipeline systems meet safety clearance requirements while reducing material consumption and construction difficulty. The introduction of this algorithm aims to improve integration efficiency, especially with significant advantages in narrow site conditions.

[0047] Spatial analysis algorithms are used to assess the distribution of pipeline networks between new facilities and existing projects.

[0048] Specifically, spatial analysis algorithms refer to a technical means of comprehensively evaluating multiple parameters such as foundation bearing capacity and pipeline layout. These algorithms can be implemented using methods such as finite element analysis, geological modeling, or pipeline topology analysis. These methods can generate targeted engineering solutions, such as excavation and replacement, thereby ensuring the foundation stability of new facilities and the safety of the pipeline network. The purpose of introducing this algorithm is to prevent subsequent operational failures caused by unsatisfactory geological conditions.

[0049] In this embodiment of the invention, the conflict detection algorithm automatically scans the spatial relationship between the new facility and the existing project, identifies potential physical conflicts, and generates corresponding adjustment suggestions. This process relies on high-precision geometric modeling and real-time computing capabilities, effectively mitigating the risk of construction rework during the design phase. Secondly, the routing planning algorithm optimizes the pipeline path between the new facility and the existing project based on the conflict detection results and the structural characteristics of the existing project. By dynamically adjusting the pipeline route, obstacles can be avoided, and the path length can be significantly shortened, thereby reducing construction difficulty and material costs. Finally, the spatial analysis algorithm comprehensively evaluates the pipeline network distribution between the new facility and the existing project based on the results of the first two steps. By comprehensively analyzing parameters such as foundation bearing capacity and existing pipeline network layout, targeted engineering solutions are generated, such as excavation and replacement, to ensure the foundation stability of the new facility and the safety of the pipeline network.

[0050] Thus, by using conflict detection algorithms to identify spatial interference, routing planning algorithms to optimize paths, and spatial analysis algorithms to evaluate pipeline distribution, these three algorithms work together to transform abstract algorithmic capabilities into concrete design optimizations. This not only solves problems such as physical conflicts, path redundancy, and mismatched foundation conditions that may arise during the implementation phase of the design, but also improves the seamless integration of new facilities with existing projects, further enhancing the feasibility and reliability of the design scheme.

[0051] In one embodiment, when generating an electrical access scheme, a cable corridor connecting the new facility to critical loads in the existing project is planned using a routing planning algorithm.

[0052] Specifically, routing planning algorithms refer to a computational method based on path optimization logic. This method dynamically generates optimal paths that meet specific requirements based on input spatial constraints and target needs, ensuring that cable corridor planning balances efficiency and reliability. Cable corridors are dedicated channels for laying cables, and can take the form of underground pipes, overhead cable trays, or integrated utility tunnels, depending on the actual spatial layout and safety requirements of the nuclear power plant. Their purpose is to provide a physical carrier for electrical connections between new facilities and critical loads.

[0053] More specifically, when generating an electrical access plan, the first step is to input relevant information into the routing planning algorithm, combining the power supply requirements of the new facilities with the distribution of critical loads in the existing infrastructure. The algorithm analyzes spatial obstacles, pipeline distribution, and structural constraints in the existing infrastructure to automatically identify potential feasible paths and select the optimal solution. This process not only avoids path redundancy or interference problems that may arise from reliance on human experience but also significantly improves the accuracy and adaptability of path planning. Based on this, the planned cable corridor routes prioritize covering core equipment such as nuclear island safety facilities, thereby ensuring that the new facilities can efficiently respond to emergency power demands in emergency situations.

[0054] In this way, the planning of cable corridors can be carried out in sync with the overall electrical design, avoiding the risk of interface conflicts or rework caused by design discrepancies later on. The algorithm-based path planning mechanism achieves precise and efficient electrical access in complex existing engineering environments, providing a reliable technical guarantee for the seamless integration of new facilities and critical loads.

[0055] In one embodiment, when planning cable corridors, the spatial analysis algorithm assesses the existing pipeline distribution based on the foundation bearing capacity along the cable corridor path, and generates an excavation and replacement engineering solution when the foundation conditions are not met.

[0056] Specifically, spatial analysis algorithms refer to a calculation method based on geographic information systems and engineering geological data. This method dynamically verifies route planning in conjunction with geological conditions, thereby avoiding structural risks caused by weak foundations or dense pipeline networks. Foundation bearing capacity assessment refers to determining whether the physical and mechanical properties of the foundation soil layers meet seismic design requirements by analyzing these properties. Excavation and replacement engineering treatment schemes refer to improvement measures taken for areas with insufficient foundation conditions. These can be implemented through layered compaction backfilling, replacement with high-strength materials, or grouting reinforcement, aiming to ensure that the cable corridor route meets seismic design specifications.

[0057] Furthermore, during the cable corridor planning phase, if the foundation conditions of certain route sections are found to be insufficient to meet seismic design requirements, an excavation and replacement engineering solution is immediately generated to ensure route feasibility. This process not only optimizes the selection of geometric paths but also comprehensively considers the interaction between geological conditions and pipeline distribution, effectively avoiding the risk of rework due to foundation problems during construction. In addition, this solution, combined with routing planning algorithms, achieves a balance between geometric optimality and engineering feasibility, significantly improving the reliability and efficiency of the overall planning. This ensures both the scientific validity and safety of the cable corridor routes while reducing construction costs and the risk of schedule delays.

[0058] In one embodiment, when generating a control system access scheme, a signal switching box is used to achieve communication integration between the new facility and the distributed control system in the existing project, and the switching logic for operation permissions is configured.

[0059] Specifically, a signal switching box refers to an independent hardware intermediary used for signal transmission between new facilities and the existing distributed control system. It can be implemented using industrial-grade signal switching equipment with multiple signal input / output capabilities. The purpose is to avoid direct modification of the original distributed control system, thereby reducing system instability risks and shortening the commissioning cycle. The operation permission switching logic refers to the dynamic permission allocation rules defined for scenarios where multiple units share new facilities. It can be implemented through software programming with a permission switching mechanism based on time or task priority. The aim is to ensure that only one unit can operate the new facility at any given time, preventing operational conflicts and ensuring the safety of nuclear power plant operation.

[0060] Furthermore, during the generation of control system access schemes, the signal switching box, acting as a communication bridge between the new facility and the existing distributed control system, can securely transmit signals from the new facility to the existing system without modifying the original system's software or hardware structure. This design effectively reduces the amount of system modifications and mitigates the high risks and long commissioning cycles that might result from directly modifying the original system. Simultaneously, by configuring the switching logic for operating permissions, precise management of operating permissions for the new facility is achieved in a multi-unit environment. For example, when an emergency diesel generator set is connected to the nuclear power plant control system, the switching logic ensures that when one unit is using the new diesel generator, other units cannot operate it, avoiding anomalies caused by permission conflicts. Especially in electrical and engineering system access schemes, the signal switching box provides stable control signal transmission support for complex pipeline and cable corridor layouts, improving overall reliability and ease of operation and maintenance. Thus, not only is seamless communication between the new facility and the existing system achieved, but the permission isolation mechanism also maintains the overall system stability, providing an efficient and reliable technical path for the control integration of new emergency diesel generator sets in nuclear power plants.

[0061] In one embodiment, when generating an engineering system access scheme, a routing planning algorithm is used to determine the optimal pipeline path for drawing cooling water, compressed air and fire-fighting media from the existing project, and to mark the key nodes where isolation valves need to be installed.

[0062] Specifically, routing planning algorithms are algorithmic tools based on computational models and optimization strategies. They aim to ensure the optimal design of critical media pipeline routes between new facilities and existing projects through comprehensive analysis of spatial layout and functional requirements. The optimal route refers to the path selection that minimizes path length, reduces conflict points, and improves system stability while meeting physical constraints, functional requirements, and construction feasibility. Furthermore, critical nodes of isolation valves refer to locations within the pipeline route that play a crucial separating role. Their purpose is to quickly locate and isolate affected areas when a localized fault occurs in the system, thereby preventing the fault from spreading.

[0063] More specifically, by integrating routing planning algorithms, precise path planning for critical support systems such as cooling water, compressed air, and fire-fighting media is achieved during the generation of engineering system access schemes. First, the algorithm automatically identifies potential path candidate areas based on the spatial layout of existing engineering works and the arrangement of new facilities, and eliminates path options that interfere with existing pipe networks or structures using conflict detection algorithms. Second, considering the different characteristics of cooling water, compressed air, and fire-fighting media, the algorithm optimizes their paths to meet specific functional requirements. For example, cooling water paths should avoid being too long to prevent insufficient heat dissipation, compressed air paths should ensure unobstructed airflow to guarantee timely equipment response, and fire-fighting media paths should prioritize coverage of critical areas to enhance emergency response capabilities. Simultaneously, the algorithm automatically marks critical nodes requiring isolation valves during path planning. These nodes are typically located at branch intersections or important equipment inlets, enabling rapid disconnection of media supply to relevant areas during system maintenance or fault handling. This process of path planning and node marking not only improves the reliability of system integration but also enhances system maintainability, thereby solving the problems of expanded fault impact and low maintenance efficiency caused by improper path planning.

[0064] In this way, the system integration between the new facilities and the existing projects is optimized in terms of spatial layout and functional requirements, while the scientific setting of isolation nodes improves the overall system's safety and operational stability.

[0065] In one embodiment, when generating the layout scheme, the spatial analysis algorithm is used to perform spatial conflict detection between the layout scheme of the new facilities and the underground pipeline network and operating area of ​​the existing project, and to ensure that the layout meets the minimum safety distance requirements.

[0066] Specifically, spatial analysis algorithms refer to intelligent tools based on computer-aided design and geographic information system technology. They are designed to identify potential interference problems in hidden engineering projects through automated means, while providing accurate distance verification capabilities for high-security scenarios, avoiding omissions or errors that may exist in manual assessments.

[0067] Specifically, in generating the layout plan, the existing underground pipeline network layout is first scanned and modeled using spatial analysis algorithms to form a complete digital pipeline distribution map. This process effectively captures the pipeline routes and key node locations in concealed works, thus providing a data foundation for subsequent conflict detection. Next, the algorithm overlays the planned location of the new facility with the existing pipeline network model to identify any physical interference. For example, when the excavation area of ​​the new facility overlaps with the existing pipeline path, the algorithm marks the specific conflict point and provides adjustment suggestions. Furthermore, the algorithm uses quantitative verification to calculate whether the distance between the new facility and key facilities in the existing project meets the minimum safety clearance requirements. This verification mechanism is particularly suitable for high-safety-level scenarios such as nuclear power plants, ensuring that the layout plan meets relevant specifications during the design phase and preventing cascading failures due to insufficient clearance.

[0068] In this way, by incorporating conflict detection and safety verification into the design phase, not only is the possibility of rework and modifications during construction reduced, but safety hazards caused by improper spatial planning are also mitigated. This demonstrates high efficiency and reliability, especially in the complex environment of nuclear power plant sites with narrow spaces and dense piping networks, providing assurance for the spatial planning of new facilities.

[0069] In one embodiment, when generating the implementation and deployment plan, the progress planning nodes of the construction phase and corresponding construction content of the new facility in the existing project are determined based on the supply cycle of the new facility.

[0070] Specifically, the delivery cycle refers to the time span from the start of equipment manufacturing to final delivery to the site. It can be calculated as the sum of the manufacturing time, transportation time, and installation preparation time for long-cycle equipment. In practical applications, schedule planning nodes can be understood as a timetable for dynamically adjusting construction steps based on the delivery cycle. The purpose is to ensure that critical equipment, such as the main fuel tank for diesel engines, arrives on time, avoiding construction interruptions due to equipment delays.

[0071] Specifically, by using the supply cycle of new facilities as the core basis, the project effectively solved the problem of construction interruptions caused by mismatches in equipment supply timing. When generating the implementation deployment plan, the key equipment of the new facilities and their corresponding supply cycles were first clearly defined, such as the manufacturing and transportation time of the main diesel engine storage tank. Based on this supply cycle information, construction nodes were rationally arranged, prioritizing the precise alignment of the introduction time of key equipment with civil construction steps. This enabled the implementation deployment plan to dynamically respond to the actual time constraints of equipment manufacturing and transportation, thereby ensuring the continuity of civil construction, installation, and other processes. Furthermore, by combining the functional requirements of existing projects with the performance parameters of new facilities, the correlation between design and implementation content was further optimized, ensuring efficient coordination of the overall project schedule. For example, in nuclear power plants, for long-lead-time equipment such as the main diesel engine storage tank, the schedule planning prioritizes its arrival time, avoiding the suspension of existing plant superstructure construction due to equipment delays, thus reducing time waste caused by equipment delays.

[0072] This application also discloses a planning method for the construction of additional emergency diesel generator sets in nuclear power plants. This method is particularly suitable for situations where the construction of additional diesel generator sets was not considered during the preliminary design or early construction design phases of a nuclear power plant, but is being planned in the later stages of the construction design phase, or even when the construction design phase is about to be completed or has already been completed. See the appendix for details. Figure 2 This includes two aspects: design content (preliminary construction plans for existing projects and new facilities) and construction content (construction stages and corresponding construction content for existing projects and new facilities), as detailed below: Step 1: Performance Requirements. Analyze the performance requirements of the new emergency diesel generator set, focusing on design life, safety level, warranty level, seismic resistance level, assessment level, external disaster requirements, rated power, and start-up time. In principle, the new emergency diesel generator set should be able to completely replace the original emergency diesel generator set; therefore, its performance should not be lower than the original diesel engine requirements. This step can also be determined in conjunction with the owner's further needs.

[0073] Step 2: Layout Plan. Analyze the layout requirements for the new emergency diesel generator sets. Since the new emergency diesel generator sets need to completely replace the original emergency diesel generator sets, the overall layout of the plant can refer to the original diesel engine plant layout plan. However, special attention needs to be paid to the electrical equipment rooms. Because the new diesel engines usually replace multiple original diesel engines, according to the current replacement principle of nuclear power plants, one new emergency diesel generator set usually replaces two reactors, totaling 12 emergency diesel engines. Therefore, it is often necessary to add electrical rooms and cable mezzanine rooms to house electrical cabinets, cables, and other electrical equipment. Based on the previous layout of similar rooms in diesel engine plants, they are usually located at the -3.78 meter and 0 meter levels of the plant. Therefore, the plant at these two levels usually needs to be expanded. Considering the overall balance and stability of the plant, the design can consider expanding and leveling the plant layout below the 0 meter level. The specifics can be further considered in conjunction with the overall plant structure design.

[0074] Step 3: Electrical Connection Plan. Electrically, the plan needs to consider adding electrical corridors. On one hand, the new diesel generators will supply power to users in the nuclear island; on the other hand, the new electrical corridors must connect with the existing replacement emergency diesel generator electrical corridors to achieve mutual replacement functionality. The new electrical corridors should also consider connecting with or reserving relevant interfaces with the plant's integrated corridors to meet the power needs of the new diesel generator sub-projects by drawing power from the nuclear island area. Special attention should be paid to the location planning of the new electrical corridors during the layout process, ensuring sufficient space is reserved for both the new electrical corridors and the existing integrated corridors.

[0075] Step 4: Digital Control System (DCS) Integration Scheme. During the replacement of existing diesel engines with new ones, communication between the main engine system and the DCS of each unit can typically be achieved through a signal switching box. Diesel engine auxiliary systems can usually be controlled locally via a local control system, minimizing modifications to the existing DCS. To facilitate control of the new diesel engines, control signals for the new engines can be displayed on the DCS of the replacement unit; however, operating permissions are typically switched so that only one unit can be accessed at a time.

[0076] Step 5: Support System Design. The addition of a new diesel engine involves external support systems such as water, air, ventilation, exhaust, and oil drainage. For the demineralized water production system (diesel engine cooling water source), it is advisable to introduce water from the existing diesel engine corridor into the new diesel engine plant.

[0077] 1) For the compressed air system used, it is possible to introduce it from the existing diesel engine corridor into the new diesel engine workshop; 2) For the fire protection system used in the newly added diesel engine plant, it is possible to consider drawing water supply pipes from the original corridor and pipe trench to the new diesel engine plant, and each pipe is equipped with an independent valve; 3) For the drinking water system (equipment flushing water) used, it is possible to consider burying it underground from the nearby plant area pipeline to the new diesel engine plant; 4) The factory ventilation system is usually an independent system, which can be configured and designed together with the factory construction. 5) The factory's smoke control and exhaust system is usually an independent system, which can be configured and designed together with the factory construction. 6) The waste oil and wastewater discharge system in the factory is usually an independent system. It can be configured and designed together with the factory construction. The collection pipeline network in the factory needs to be connected to the existing wastewater discharge collection pipeline network outside the factory.

[0078] Step 6: Sub-project Site Selection. Considering the design basis and operating characteristics of nuclear power projects, the site selection of new diesel engine plant usually needs to be analyzed from five aspects: planning and land use, foundation conditions, slope impact analysis, external disaster analysis, and impact on the production and operation of the existing power plant.

[0079] 1) Regarding the planning of land use, the main considerations are that there should be enough space, and that it should not affect the operation and long-term planning of the power plant. Physical protection needs to be considered. New diesel engines are safety-grade equipment and should be placed in the critical area of ​​the nuclear power plant. The fire safety distance requirements of each plant room need to be considered (usually at least 6m). 2) Regarding foundation conditions, the main considerations are suitable foundation conditions, arranged on a uniform bedrock surface, or the foundation requirements for Class I earthquake-resistant properties can be met through appropriate engineering measures. 3) Regarding construction conditions, the foundation pit of the new diesel engine plant is relatively deep (usually -13m), and the negative excavation has a large impact range, which has a significant impact on the surrounding outdoor underground pipeline network. If artificial slope protection is not available, foundation pit support can be considered. 4) External disaster protection: The newly added diesel engine plant is a safety-grade plant, and the design requirements for internal and external disaster protection need to be considered. 5) Regarding the impact on the production and operation of operating power plants, attention should be paid to ensuring that construction measures are in place to comply with the nuclear power plant operation procedures formulated by the operating unit, so as to avoid affecting the normal operation and maintenance activities of the nuclear power plant.

[0080] Step 7: Interface Reservation Plan. Typically, the construction of additional diesel generators is not considered during the preliminary design and early construction design phases of a nuclear power plant. However, analysis of adding emergency diesel generators is conducted in the later stages of the construction design phase, or even when the construction design phase is about to be completed or has already been completed. In such cases, it is recommended to reserve relevant design interfaces for subsequent additional diesel generators during the unit construction period. This way, when the additional diesel generators are constructed later, the relevant interface reservations with the replacement unit can be prepared in advance, which can greatly reduce construction rework and modifications, and help shorten the overall construction period.

[0081] 1) Electrical access cabinet reservation. It is generally recommended to add 6 access cabinets in the nuclear island safety building (BSA / B / C) to receive the electrical load output from the new diesel engines, and at the same time connect to the electrical cabinets in the nuclear island safety building (BSA / B / C) to smoothly transfer the electrical load output from the new diesel engines to the electrical equipment required by the safety building; 2) Power demand for the new diesel engine sub-project. It is generally recommended to reserve a circuit for power distribution to the new diesel engine plant in the medium voltage section of the electrical BOP 10kV normal distribution system (LGI); 3) The instrumentation and control system uses a shared DCS cabinet across the entire plant. Additional I / O points can be added to the existing shared DCS cabinet, or spare I / O points can be utilized. 4) The existing DCS shared cabinet for the new diesel generator set to be replaced. The existing shared cabinet needs to have an additional communication port to receive operating status signals from the new diesel generator set. 5) For other support system interface reservations, please refer to the analysis in step 5. The overall recommendation is that, due to the uncertainty of adding new diesel engines affected by various factors, the interface reservation scheme analysis should only consider reserving expansion space and interfaces on the equipment side. For a small number of devices, necessary backups can be added, but equipment idleness should be avoided. 6) New Cable Gallery Reservation Scheme. Cable galleries for new diesel engines are typically designed for seismic resistance (Class 1). According to GB standards, there are specific requirements for the bearing capacity or shear wave velocity of the foundation where the seismic gallery is located. Therefore, when reserving the layout path for new diesel engine cable galleries, the foundation conditions must be carefully considered. If the foundation conditions cannot meet the requirements, excavation and replacement are generally recommended. Simultaneously, the impact of the new cable gallery on the existing pipeline network at the plant site must be carefully considered, especially for sites with narrow areas and high density of pipelines, galleries, and sub-items. The layout of the new cable gallery becomes even more difficult, requiring careful analysis in the overall site plan.

[0082] Step 8: Construction logic.

[0083] 1) Plant excavation. The addition of a new diesel engine location involves excavation at the plant site, rendering the location unusable for a period of time. In this case, it is necessary to pay attention to the construction logic at this location, such as whether early construction will affect the cranes or hoisting stations of surrounding sub-projects, such as the backfilling of siphon wells, etc. 2) System Interface Construction. For subsequent construction of new diesel engines, the external interface systems of the new diesel engines have been handed over to the owner by TOTO at the start of the installation phase. The system interfaces and testing windows need to be jointly evaluated and determined by the owner and the commissioning team. 3) Physical protection fencing. According to the project's physical protection system plan, it is necessary to consider completing the addition of cable corridors or related sections that cross the physical fence before the physical protection fencing becomes available.

[0084] Step 9: Commissioning and Testing. While individual commissioning of newly added diesel engines is generally not subject to window restrictions, the connection testing of these engines is. For example, if a new diesel engine is shared by four units (3, 4, 5, and 6), the connection testing requires linkage with the corresponding 10kV switchboards of each of the four units for connection function testing. During the testing process, the 10kV switchboards of the four corresponding units must be shut down. The shutdown window is usually arranged by the integrated plan based on the status of the units involved. Generally, shutting down the switchboard before fuel loading is relatively easier, while shutting down after fuel loading is more difficult due to technical specifications. Simultaneously, the power switching test of the new diesel engine is also subject to window restrictions, the same as the connection test, which is the shutdown window of the corresponding unit's 10kV switchboard. Therefore, this part requires overall consideration of the commissioning schedule and the owner.

[0085] Step 10: Project Planning. Owners often have specific requirements regarding the completion time of the new diesel engine plant, but the actual timeframe needs to be integrated with the ongoing project schedule. When developing a specific construction plan for the new diesel engine plant, critical path operations such as reporting significant design changes, contracting equipment manufacturing, plant construction and installation, and system commissioning should be given priority. Since significant design changes require approval from the National Nuclear Safety Administration, sufficient time should be allocated for this approval process. Furthermore, regarding the equipment manufacturing cycle, the main diesel engine storage tank and diesel engine manufacturing are critical path operations. Because the main diesel engine storage tank is located on the lowest floor of the plant, it needs to be brought in in advance before construction of the upper floors can begin. Therefore, the delivery time of the main diesel engine storage tank needs close monitoring; otherwise, it will restrict continuous on-site civil engineering construction.

[0086] In one embodiment, please refer to the appendix. Figure 3 This application discloses a progress planning diagram for adding facilities to an existing project, such as a progress planning logic diagram for adding emergency diesel generator sets to a nuclear power plant. It illustrates the overall engineering plan for the project, where the starting point can be a date of owner decision and commissioning, but key milestones throughout the project are associated with the first concrete pouring date of the nuclear island building. The diagram uses wireframes of different sizes to represent tasks and their durations, and numbers and letters to represent different task phases. Arrows between the wireframes specifically indicate the paths of related task phases in the project, meaning that any delay directly affects the task sequence of the overall project duration.

[0087] Specifically, the schedule begins with the submission and approval of the proposed major design changes to the National Nuclear Safety Administration (3A), some time after the first concrete pour of the nuclear island building. This phase is explicitly marked as the critical path, and its approval is a prerequisite for many subsequent activities, such as the publication of the procurement technical specifications (5A) and the signing of the equipment procurement contract (5B). The publication of the procurement technical specifications (5A) phase proceeds concurrently with the submission and approval of the major design changes (3A) phase. Furthermore, the signing of the equipment procurement contract (5B) phase proceeds in parallel with the drawing design work (1A) and the approval process (1B) phases, preparing for subsequent construction. After the signing of the equipment procurement contract (5B) phase, the publication of the civil engineering construction drawings (2A) phase is determined, and it proceeds concurrently with the approval process (1B) phase. The construction phase begins with the excavation of the building (2B), with special emphasis on the need to comprehensively consider surrounding environmental factors during excavation construction. Following this is the layered main structure construction, including raft foundation construction (2C) and first-floor wall construction (2D), the progress of which is affected by the delivery time of the diesel engine main fuel tank. The fuel tank delivery (5C→2E) node in the diesel generator set manufacturing cycle (5C) is the main critical path restricting the civil structure construction (2E), and the delivery of the fuel tank is a decisive factor in whether the civil work can proceed continuously. In the later stages of civil construction (2F-2G), the phases between 2E-2F-2G can be divided into the diesel engine hall handover node and the structural capping node, respectively. After all civil structure handover (2G) stages, the equipment installation work (4A) stage then begins. The delivery time of the diesel generator set is crucial; the completion time of its manufacturing cycle (5C) may affect the critical path node. The entire delivery time of the diesel generator set needs to be completed before the civil structure construction (2E), i.e., before the diesel engine hall handover. The installation work also includes auxiliary equipment such as air coolers, for which corresponding installation time needs to be reserved (2G→4A). This means allowing time between the completion of all civil engineering structure handover (2G) and the completion of equipment installation (4A). After all equipment and systems are installed, the project enters the commissioning phase (4B), marked by the completion of the system installation, ultimately making the newly added diesel generator set ready for operation. The entire schedule plan systematically demonstrates the entire process from decision-making, design, procurement, civil engineering, installation to commissioning through the sequential relationships between different task phase nodes, and highlights the impact of nuclear safety approval and long-lead-time equipment supply on the overall project schedule.

[0088] In this way, by corresponding the various stages involved in the planning process of adding new facilities to existing projects to the task stages represented by different wireframes and their numbers in the progress planning diagram, the various influencing factors in the planning process are systematically processed. The specification database, interface definition parameters and environmental constraint data involved in existing projects and new facilities corresponding to different task stages are integrated to determine the correlation order and time node requirements of automatic execution conflict detection, route planning and spatial analysis algorithms between different task stages, thereby generating a complete integrated planning scheme output.

[0089] In another embodiment, this application also discloses a planning system for performing the aforementioned method, including an input module, an output module, and a planning module; the input module is used to obtain the functional requirements of the existing project and the performance parameters of the corresponding new facilities; the output module is used to display a project schedule plan that generates the construction logical relationship between the construction stages and corresponding construction contents of the existing project and the new facilities; the planning module is used to process the standard process of adding new facilities in the existing project into a preliminary construction plan for the existing project and the new facilities, optimize the preliminary construction plan of the existing project and the new facilities into construction stages and corresponding construction contents, and generate a project schedule plan based on the construction logical relationship between the construction stages and corresponding construction contents of the existing project and the new facilities.

[0090] In this embodiment of the invention, by combining the input module, output module, and planning module, a full-process management framework for adding facilities to existing projects is constructed, effectively addressing construction problems caused by the lack of pre-designed interfaces for new facilities. Specifically, the input module accurately acquires the functional requirements of the existing project and the performance parameters of the new facilities, ensuring that the design closely matches actual operating conditions and avoiding rework due to deviations in requirements. Simultaneously, the planning module improves the standardization and feasibility of the design scheme by introducing and optimizing standard processes. For example, in cable corridor design, routing optimization is performed using foundation bearing capacity data, avoiding spatial interference problems during construction. Furthermore, the output module dynamically displays the progress plan, enabling managers to monitor the task connection status in real time, identify potential conflicts in advance, and ensure the rational use of construction windows. Through the coordinated operation of the above technical means, seamless integration of new facilities with existing projects is achieved, significantly reducing project delays and safety hazards, and improving the overall project executability.

[0091] Furthermore, the application of the planning system is particularly suitable for the construction of new facilities in complex scenarios such as nuclear power plants. For example, when adding emergency diesel generator sets to a nuclear power plant, the system can quickly generate key design content such as layout schemes and interface schemes according to pre-set standard processes, and verify the feasibility of the schemes through algorithm verification. This combination of standardization and automation not only simplifies the complex analysis process of projects not planned in the early stages, but also deeply couples the equipment delivery cycle with the plant construction sequence through dynamic schedule planning, avoiding the problem of schedule delays caused by schedule discrepancies. Therefore, the planning system proposed in this application provides an efficient and reliable solution to the integration problems caused by the lack of early design when adding facilities to existing projects.

[0092] In summary, the present invention provides a planning method and system for adding new facilities to existing projects. By systematically processing the functional requirements of existing projects and the performance parameters of new facilities, combining algorithm verification to generate phased design and implementation content, and determining the schedule based on phase association, the invention effectively solves the problems of spatial interference, pipeline conflict, and schedule uncertainty in the planning of new facilities, avoids spatial interference and pipeline path conflict, improves the accuracy of schedule determination, and reduces construction rework and project delays.

[0093] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by those skilled in the art without departing from the spirit and technical concept disclosed in the present invention should still be covered by the claims of the present invention.

Claims

1. A planning method for adding new facilities to existing engineering projects, characterized in that, include: Obtain the functional requirements of existing projects, and determine the performance parameters of the corresponding new facilities based on the functional requirements; Invoke the pre-set standard process for adding facilities to existing projects, and generate preliminary construction plans for existing projects and preliminary construction plans for new facilities based on the functional requirements and performance parameters. The preliminary existing project construction plan and the preliminary new facility construction plan are optimized by the processing algorithm to generate the construction stages and corresponding construction contents of the existing project and the construction stages and corresponding construction contents of the new facility. The project schedule is generated based on the construction logic relationship between the construction stages and corresponding construction contents of existing projects and the construction stages and corresponding construction contents of new facilities.

2. The method according to claim 1, characterized in that, The existing project is a nuclear power plant, and the new facility is an emergency diesel generator set.

3. The method according to claim 1, characterized in that, The preliminary existing engineering construction plan and the preliminary new facility construction plan shall at least include the interface plan, layout plan and implementation plan between the new facility and the existing engineering.

4. The method according to claim 3, characterized in that, The interface schemes include electrical access schemes, control system access schemes, and engineering system access schemes.

5. The method according to claim 4, characterized in that, The processing algorithm includes at least one of the following: a conflict detection algorithm, a route planning algorithm, and a spatial analysis algorithm.

6. The method according to claim 5, characterized in that, The steps of optimizing the preliminary existing engineering construction plan and the preliminary new facility construction plan using processing algorithms include: Spatial interference between new facilities and existing projects is identified through conflict detection algorithms; Optimize pipeline routes between new facilities and existing projects using routing planning algorithms; Spatial analysis algorithms are used to assess the distribution of pipeline networks between new facilities and existing projects.

7. The method according to claim 6, characterized in that, When generating the electrical access scheme, a cable corridor connecting the new facilities is planned in the existing project using the routing planning algorithm.

8. The method according to claim 7, characterized in that, When planning the cable corridor, the spatial analysis algorithm assesses the existing pipeline distribution based on the foundation bearing capacity along the cable corridor path, and generates an excavation and replacement engineering solution when the foundation conditions are not met.

9. The method according to claim 4, characterized in that, When generating the control system access scheme, a signal switching box is used to achieve communication integration between the new facility and the distributed control system in the existing project, and the switching logic of operation permissions is configured.

10. The method according to claim 6, characterized in that, When generating the engineering system access scheme, the routing planning algorithm is used to determine the optimal pipeline path for drawing cooling water, compressed air and fire-fighting media from the existing project, and to mark the key nodes where isolation valves need to be installed.

11. The method according to claim 6, characterized in that, When generating the layout scheme, the spatial analysis algorithm is used to perform spatial conflict detection between the layout scheme of the new facilities and the underground pipe network and operating area of ​​the existing project, and to ensure that the layout meets the minimum safety distance requirements.

12. The method according to claim 3, characterized in that, When generating the implementation and deployment plan, based on the supply cycle of the new facilities, the progress planning nodes of the construction phase and corresponding construction content of the existing project corresponding to the new facilities are determined.

13. A planning system for performing the method according to any one of claims 1 to 12, characterized in that, include: The input module is used to obtain the functional requirements of existing projects and the performance parameters of corresponding new facilities; The output module is used to display the project schedule plan that generates the construction logical relationship between the construction stages and corresponding construction contents of existing projects and new facilities. as well as The planning module is used to process the standard process of adding facilities to existing projects into preliminary construction plans for existing projects and new facilities, optimize the preliminary construction plans for existing projects and new facilities into construction stages and corresponding construction contents, and generate project schedule planning based on the construction logic relationship between the construction stages and corresponding construction contents of existing projects and new facilities.

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