Four pre-capacity building programs for active flood control projects in Xiaoqing River flood storage and detention area in Yongding River Basin

The Xiaoqing River Flood Storage and Detention Area is one of the important flood storage and detention areas in the Haihe River Basin, located on the south side of the Lugou Bridge of the Yongding River and the middle and upper reaches of the North Branch of the Daqing River Basin, spanning Beijing and Hebei Province. The flood storage and detention area of Xiaoqing River starts from Daning Reservoir in the north, reaches the ancient city of Xiaobu and Xiaoying Hengdi in the south, and the east and west boundaries are divided into two sections, the east and west boundaries in Beijing Municipality in the north are the right embankment of the Yongding River and the Beijing-Guangzhou Railway, and the east and west boundaries of Hebei Province in the south are the upper extension of the left embankment of the Baigou River and the ancient city of Xiaobu and the western natural plateau.

Four pre-capacity building programs for active flood control projects in Xiaoqing River flood storage and detention area in Yongding River Basin

According to the Plan for the Construction and Management of Flood Storage and Detention Areas in the Haihe River Basin (Hai Gui Ji [2012] No. 91), the total area of the Xiaoqing River Flood Storage and Detention Area is 335 km2 and the volume is 286 million m3. Among them, the total area of Beijing is 232km2 (including 230.2km2 in Fangshan District and 1.8km2 in Fengtai District).

1.1 Construction Background

Under the combined influence of Typhoon Doksuri and cold air, heavy rainfall occurred in the Haihe River basin from 28 July to 1 August, resulting in the largest flooding in the basin since 1963. This precipitation process has the characteristics of long duration, wide coverage, large cumulative rainfall and strong precipitation intensity, and numbered floods occurred in the Ziya River, Yongding River and Daqing River basins. Although the Daning Reservoir flood gate was not used this time, once the flood was diverted, the Changyang built-up area and other areas in the Xiaoqing River flood storage and detention area of the Xiaoqing River will cause serious losses.

As an important task of the active flood control project of the Xiaoqing River Flood Storage and Detention Area in the Yongding River Basin, the "Four Plans" capacity building project will start from the actual situation of the Xiaoqing River Flood Storage and Detention Area in Beijing, combined with the planning and deployment of Beijing Smart Water/Smart City, actively improve the "four precautions" capacity of the Xiaoqing River Flood Storage and Detention Area in Beijing, strengthen the intelligent use and dispatch management, and provide digitalization, informatization, and information technology for the post-disaster recovery and reconstruction, disaster prevention, mitigation and relief, and protection of people's lives and property safety in the Xiaoqing River Flood Storage and Detention Area. Intelligent support to achieve digital empowerment and high-quality development of water conservancy.

1.2 Place of implementation

Within the Xiaoqing River Flood Storage and Detention Area in Fangshan District, Beijing.

1.3 Construction Goals

In accordance with the general requirements of "demand traction, application first, digital empowerment, and capacity improvement", based on the existing water conservancy information construction foundation in the flood storage and detention area, resources are fully shared with relevant departments at all levels to achieve resource integration and optimization. Focusing on the key flood control projects and areas of the Xiaoqing River Flood Storage and Detention Area in Beijing, actively promoting the application of a new generation of information technology, based on consolidating the information facilities of the Xiaoqing River Flood Storage and Detention Area in Beijing, and taking the digital twin platform as the core, the "four pre-planning" platform for flood control in the Xiaoqing River Flood Storage and Detention Area (hereinafter referred to as the "four pre-planning" platform) with the functions of forecasting, early warning, rehearsal and planning has been initially built to realize the intelligent collaborative management within the scope of the project construction, with good compatibility and scalability. The digital mapping, intelligent simulation, and forward-looking rehearsal of the standardized construction and management of the Xiaoqing River flood storage and detention area in Beijing will be realized, and technical support will be provided for the precise flood control scheduling, engineering safety management, risk avoidance and transfer, and post-disaster assessment of the flood storage and detention area, and the standardized development of flood control in the flood storage and detention area will be fully promoted.

1.4 Construction Tasks

The construction tasks of this project mainly include four parts: information infrastructure, digital twin platform, intelligent business application, and network security guarantee system.

(1) Information infrastructure

improve the water conservancy sensing network and build a sky-ground monitoring and perception system; improve the water conservancy communication network in flood storage and detention areas; Build a "four-pre" platform computing and storage environment; Improve application support, etc.

(2) Digital twin platform

Fully share the existing data, models, and knowledge resources of relevant departments at all levels, build a digital twin platform with the characteristics of the Xiaoqing River flood storage and detention area in Beijing, and realize the digital reflection of all elements of flood control projects and the whole process of operation and management in the flood storage and detention area.

(3) Intelligent business applications

The construction of an intelligent business application system for the Xiaoqing River flood storage and detention area in Beijing, including business application portal, comprehensive decision support, flood control "four pre-planning" applications, engineering operation and maintenance management, risk avoidance and transfer management, disaster damage verification and assessment, mobile applications, etc., to realize the flood control scheduling and safe operation of the project in the flood storage and detention area, the safe retreat and transfer of the people, the disaster damage assessment and compensation management, etc., fully realize the intelligent analysis and application of the flood storage and detention area, as well as the refined and standardized management, and improve the level of safe operation and management of the flood storage and detention area.

(4) Network security assurance

In accordance with the relevant laws, regulations, standards and specifications of network security, and in accordance with the requirements of the security protection construction of the second-level information system of the graded protection, the network security construction and improvement shall be carried out to ensure the continuous and dynamic safe operation of the system.

1.5 Scope of Construction

The construction scope of this project involves the Xiaoqing River flood storage and detention area in Beijing, with a total area of 232km2, including 230.2km2 in Fangshan District and 1.8km2 in Fengtai District. It includes four parts of the construction of information infrastructure, digital twin platform, intelligent business application, and network security guarantee system, and the specific construction scope of the project is as follows:

(1) Access and integration of existing water conservancy informatization construction achievements in the Xiaoqing River flood storage and detention area in Beijing.

(2) The access, connection and integration of informatization-related construction achievements such as water conservancy monitoring and perception, automatic control, and communication network in the "Active Flood Control Project of Xiaoqing River Storage and Detention Area in Yongding River Basin" and "Daning Reservoir Flood Gate to Xiaoqing River Connection Project".

(3) The "four pre-planning" capacity building projects in the Xiaoqing River flood storage and detention area within Beijing: information infrastructure such as water conservancy monitoring and perception, computing and storage, communication network, and application support; digital twin platforms such as data baseboards, model libraries, knowledge bases, and twin engines; Intelligent business applications such as comprehensive decision-making, "four pre-planning" applications, engineering operation and maintenance, risk avoidance and transfer, and disaster damage verification; The construction and improvement of the network security guarantee system and other contents.

(4) Convergence with the results of the informatization project of the water project under construction and proposed in Fangshan District; It is shared with information resources such as Beijing Smart Water, Beijing Model, and Digital Twin Yongding River.

1.6 Construction period

The total construction period of this project is 6 months, of which the project implementation period is 5 months and the trial operation period is 1 month. The quality guarantee period is 6 years.

1.7 Main Design Basis

1.7.1 Laws and Regulations

(1) Water Law of the People's Republic of China;

(2) Regulations of the People's Republic of China on the Administration of Waterways;

(3) Energy Conservation Law of the People's Republic of China;

(4) Renewable Energy Law of the People's Republic of China;

(5) Electricity Law of the People's Republic of China;

(6) Construction Law of the People's Republic of China;

(7) Law of the People's Republic of China on the Promotion of Cleaner Production;

(8) Flood Control Law of the People's Republic of China;

(9) Surveying and Mapping Law of the People's Republic of China;

(10) Cybersecurity Law of the People's Republic of China;

(11) Relevant laws and regulations of the state and Beijing.

1.7.2 Guidance Documents

(1) "Guiding Opinions on Vigorously Promoting the Construction of Smart Water Conservancy" (Shui Information [2021] No. 323);

(2) Action Plan for the Development of Smart Cities in Beijing during the 14th Five-Year Plan Period (Jing Da Da Fa [2021] No. 1);

(3) Measures for the Management of Co-construction and Sharing of Digital Twin River Basins (Shui Xin [2022] No. 146);

(4) Technical Outline for the Construction of Digital Twin River Basins (Trial) (Shui Information [2022] No. 147);

(5) Technical Guidelines for the Construction of Digital Twin Water Conservancy Projects (Trial) (Shui Information [2022] No. 148);

(6) Basic Technical Requirements for the "Four Pre-planning" Functions of Water Conservancy Business (Shui Xin [2022] No. 149);

(7) Top-level Design of Smart Water in Beijing;

(8) Beijing Flood Control and Drainage Plan;

(9) Measures for the Management of Water Conservancy Network Security (Trial);

(10) "Reply to the Proposal for the Active Flood Control Project in the Xiaoqing River Flood Storage and Detention Area in the Yongding River Basin (on behalf of the Feasibility Study Report)" (Jingfangshan Fa Gai (Review) [2023] No. 232);

(11) Other important policy regulations and document reports. 1.7.3. Standard Specifications

(1) Security of Information Technology Equipment (GB4943-2019);

(2) Technical Code for Safety Prevention Engineering (GB/50348-2018);

(3) "Internet of Things System Interface Requirements" (GB/T 35319-2017);

(4) Technical Specification for Safety Monitoring of Sluices (SL 768-2018);

(5) "Standard for Hydrological Infrastructure Construction and Technical Equipment" (SL/T 276-2022);

(6) Code for Surveying of Water Conservancy and Hydropower Projects (SL 197-2013);

(7) "Water Conservancy One Map Spatial Information Service Specification" (SL 197-2013);

(8) Technical Specification for Real-time Dynamic Measurement (RTK) of Global Positioning System (GPS) CH/T 2009-2010;

(9) Metadata of Digital Achievements of Basic Geographic Information, GB/T 39608-2020;

(10) "Digital Aerial Photogrammetry Control Measurement Specification" CH/T 3006-2011;

(11) "Specification for Low-altitude Digital Aerial Photography and Data Processing" GB/T 39612-2020;

(12) Technical Regulations for Oblique Digital Aerial Photography GB/T 39610-2020;

(13) "Basic Geographic Information Digital Achievements 1:500, 1:1000, 1:2000 Digital Orthophoto Diagram" CH/T9008.3-2010;

(14) "Basic Geographic Information Digital Achievements 1:500, 1:1000, 1:2000 Digital Elevation Models" CH/T9008.2-2010;

(15) "Digital Elevation Model of Basic Geographic Information 1:5000, 1:10000, 1:25000, 1:50000, 1:100000" CH/T 9009.2-2010;

(16) "Basic Geographic Information Digital Achievements 1:5000, 1:10000, 1:25000, 1:50000, 1:100000 Digital Orthophoto Map" CH/T 9009.3-2010;

(17) "Digital Twin Watershed Data Base Geospatial Data Specification (Trial)" ([Office Information] No. 325);

(18) "3D Geographic Information Model Data Product Specification" CH/T 9015-2012;

(19) "Classification and Codes of Basic Geographic Information Elements" GB/T 13923-2022;

(20) Classification of Water Conservancy Information (SL 701-2014);

(21) "Standard for Table Structure and Identifier of Real-time Stormwater Database" (SL 323-2011);

(22) Standard for Table Structure and Identifiers of Basic Hydrological Databases (SL 324-2013);

(23) Code Compilation Code for Hydraulic Projects (SL 213-2012);

(24) "Life Cycle Process of Information Technology Software" (GB/T 8566-2007);

(25) "Computer Software Testing Specification" (GB/T 15532-2008);

(26) Computer Software Reliability and Maintainability Management (GB/T 14394-2008);

(27) Technical Specification for Network Security Protection of Water Conservancy (SL/T 803-2020);

(28) Basic Requirements for Classified Protection of Information Security Technology (GB/T 22239-2019);

(29) Implementation Guidelines for Classified Cybersecurity Protection of Information Security Technology (GB/T 25058-2019);

(30) Requirements for the Evaluation of Classified Protection of Cybersecurity Technology for Information Security Technology (GB/T 28448-2019);

(31) Guidelines for the Grading of Classified Cybersecurity Protection for Information Security Technology (GB/T 22240-2020);

(32) Code for Operation and Maintenance of Water Conservancy Information System (SL 715-2015);

(33) "Unified Standard for the Application of Building Information Modeling" (GB/T51212-2016)

(34) "Building Information Modeling Classification and Coding Standard" (GB/T51269-2017);

(35) "Standard for the Design and Application of Information Models for Water Conservancy and Hydropower Projects" (T/CWHIDA 0005-2019);

(36) "Water Conservancy and Hydropower Engineering Design Information Model Delivery Standard" (T/CWHIDA 0006-2019);

(37) Other relevant technical standards and specifications.

2. Technical requirements for the construction of information infrastructure

2.1 Water Sensing Network

2.1.1 Rainwater monitoring

(1) Construction requirements

Combined with the topography and geomorphological characteristics of the river section where the flood storage and detention area of the Xiaoqing River is located, the needs of flood control dispatching and management and the needs of relevant engineering operation and management, the newly built flood gates, barrage gates, and retreat gates within the scope of governance are set up with water level observation stations, and the flood distribution gates and retreat gates are provided with water level observation sections on the gates, and the barrage gates are set up with observation sections above and under the gates, and the corresponding observation roads, section signs, and leveling points (each section is provided with 1 basic leveling point and 2 check leveling points), and a set of automatic water level monitoring facilities and equipment are laid out at each place. The water level stations all use 4G/5G as the main channel, and the Beidou satellite is the backup channel, and the water level/rainfall information is uploaded to the "four pre-planning" platform.

A rainfall monitoring facility is set up at the location of the barrage and the retreat gate, all of which use tipping bucket rain gauges, and use 4G/5G as the main channel and Beidou satellite as the backup channel, and upload the rainfall information to the "four pre-planning" platform, through which the data sharing for the higher departments is realized.

(2) Main technical indicators

1) The main technical indicators of the system

Working system: mixed work system combining self-reporting and response Telemetry items: water level, rainfall

Transmission channel: 4G/5G, Beidou satellite

Bit error rate: 4G communication: ≤1×10-5, satellite communication: ≤1×10-6 System MTBF: not less than 6300h;

System smoothness rate: >95%;

The response speed of the system: meet the requirements of completing a system-wide real-time data collection, processing and forwarding within 20 minutes.

2) Water level sensor

Radar water level gauge is used for water level observation, and its technical indicators are as follows: Accuracy: ±3mm.

分辨率 0.1mm。 量程： 0～20m。

Temperature range: -30°C~+70°C.

Output current: 4~20mA, (Power supply: battery: 12VDC or 220VAC/12~24VDC.) Material: The surface of the instrument is plastic, the antenna antenna is stainless steel, and the protection level is IP65.

3) Rain sensor

The rain sensor equipment in this project selects a tipping bucket rain gauge, and is equipped with the corresponding solid-state memory at the same time, and its technical indicators should meet:

Rain Bearing Inner Diameter: 200mm Resolution(Accuracy):1mm Measurement Error: <±3%

Maximum rain intensity: 8mm/min

Anti-clogging: The sensor should have anti-clogging, anti-insect and dust-proof measures Operating temperature: -35°C~+55°C, relative humidity: 95% Reliability index: The MTBF of the sensor is not less than 16000h;

Transfer Storage: Solid-State Memory; Power supply system: solar powered.

(3) Bill of quantities of major works

3.2 Model Library

On the basis of fully sharing and calling the existing water conservancy professional models and intelligent model construction achievements of the Ministry of Water Resources, river basin management agencies and Beijing Municipal Water Affairs Bureau, focusing on the "four pre-planning" of flood control and the safety of flood storage and detention areas in Xiaoqing River flood storage and detention area, a water conservancy professional model, intelligent model and knowledge model with the characteristics of Xiaoqing River flood storage and detention area in Beijing are constructed, and the simulation and deduction analysis of the business application system are supported through simulation and simulation engine.

3.2.1 Water conservancy professional model

(1) Planar two-dimensional hydrodynamic model

The flood storage and detention area (232 km2) is selected as the simulation object, and the development process of flood on the surface under the condition of flood discharge, external flood or internal waterlogging can be simulated through the simulation of the plane two-dimensional flood evolution model, and the key indicators such as flood arrival time, inundation range and inundation time of flood can be evaluated, so as to provide data support for flood prevention and disaster reduction.

(2) Flood model in built-up areas

The built-up area (17.5km2) in the flood storage and detention area was selected as the simulation object, and the rainfall runoff process was dynamically simulated, and the simulation results of the rainfall runoff process in any sub-catchment area at any time were obtained, and each section of the rainwater pipe network and the river runoff process were simulated, so as to provide data support for flood control and drainage in the built-up area.

3.2.2 Intelligent recognition model

An AI recognition model for video images is built to mine the features of water conservancy objects from video images and other data, and realize the automatic recognition of water conservancy object features such as inundation changes, intrusion detection and recognition.

3.2.3 Visualizing the model

Construct the natural background around the Xiaoqing River flood storage and detention area in Beijing (such as day and night in different seasons, wind, rain, snow and fog, sunshine changes, light and shadow, water bodies, etc.), the dynamic visualization of the upstream and downstream flow field of the gate and other projects (such as key areas such as before and after the gate, embankment, etc.), the visualization model of transfer and risk avoidance, and the control and operation model of water conservancy mechanical and electrical equipment (such as the opening and closing of various hoists, etc.), etc., can be based on real data to realize the analysis of the river, barrage, embankment, Realistic visualization and simulation of various scenarios such as evacuation places.

3.2.4 Bill of Quantities

Table 3.2-1 Main Bills of Quantities of the Model Library

serial number	Name	Basic Requirements:	unit	quantity	remark
1	Water conservancy professional model
Planar 2D hydrodynamic model	Please refer to the list of quantities for details	item	1
Waterlogging model in built-up areas	Please refer to the list of quantities for details	item	1
2	Video image AI recognition model	Please refer to the list of quantities for details	item	1
3	Visualize the model
Natural background visualization	Please refer to the list of quantities for details	item	1
Dynamic visualization of the flow field	Please refer to the list of quantities for details	item	1
Visualization of hydraulic engineering	Please refer to the list of quantities for details	item	1

3.3 Knowledge Base

Based on the knowledge engine, water conservancy knowledge excavates the value of water conservancy information data in flood storage and detention areas, mainly including flood control scheduling, engineering safety, business rules and other knowledge construction, supports forward intelligent reasoning and reverse retrospective analysis, and provides support for decision-making analysis.

3.4 Twin Engine

It mainly includes the construction of data engine, simulation engine and knowledge engine.

3.4.1 Data Engine

(1) Data aggregation

It realizes real-time collection of multi-source heterogeneous data, standard storage, timely update, multi-module service, and full-link visual monitoring, supports the unified control of data resource collection and scheduling in each business, and provides support for the data and model application of upper-layer business.

(2) Data governance

The collected data are classified and stratified according to the elements, and data verification, verification, validity check, manual cleaning and translation processing are carried out at the same time. Realize the unification of the standards of all kinds of data in the collection database and improve the quality of data.

(3) Data mining

Provide self-service exploration and analysis of standardized data after governance, and mine data value from multiple dimensions with the help of charts.

(4) Data services

Realize data exchange and sharing, data resource management, map publishing and other services.

3.4.2 Simulation Engine

It mainly includes GIS engine, BIM engine, visualization engine, and service release.

(1) GIS engine

It provides various map services, spatial information processing and analysis services, and spatial data management functions for the "four pre-planning" platform.

(2) BIM engine

Support the integration of the digital twin platform to the building information model, and the various information in the model is always integrated in a 3D model information database, providing data support for project management and visualization services.

(3) Visualization engine

The system for creating, presenting, and interacting 3D graphics provides the ability to support the visualization model of high-quality data analysis results, including visualization component services, visualization rendering services, visualization template customization services, visualization scene customization services, etc.

(4) Service Release

It supports scene service hosting, and can publish the configured 3D scene as a cloud service, and supports web browsing and secondary development calls.

3.4.3 Knowledge Engine

Realize the comprehensive management of multiple types of knowledge, such as knowledge graphs, FAQ questions, data tables and other types of knowledge, and carry out comprehensive application based on the knowledge base.

3.4.4 Bill of Quantities

Table 3.4-1 Bill of Quantities for Twin Engines

serial number	Name	Basic Requirements:	unit	quantity	remark
1	Data Engine
Data aggregation	Please refer to the list of quantities for details	item	1
Data governance	Please refer to the list of quantities for details	item	1
data mining	Please refer to the list of quantities for details	item	1
Data Services	Please refer to the list of quantities for details	item	1
2	Simulation engine
GIS engine	Please refer to the list of quantities for details	item	1
BIM engine	Please refer to the list of quantities for details	item	1
Visualization Engine	Please refer to the list of quantities for details	item	1
Service Release	Please refer to the list of quantities for details	item	1
3	Knowledge Engine	Please refer to the list of quantities for details	item	1

4. Technical requirements for the construction of intelligent business applications

Based on the construction of digital scenarios, intelligent simulation, and accurate decision-making, we will build a complete, efficient, and intelligent business application system, improve the level of safe operation and management of flood storage and detention areas, and realize the "four precautions" of flood control safety and safe risk avoidance transfer. The main functions include business application portal, comprehensive decision support, flood control "four pre-planning" applications, engineering operation and maintenance management, risk avoidance and transfer management, disaster damage verification and assessment, and mobile applications.

4.1 Business Application Portal

Construct a business portal to automatically collect relevant information for the current business systems, with hot spot tracking and event-driven as the entry point, and display the overall situation of the current Xiaoqing River flood storage and detention area in Beijing. Realize the query and analysis of historical similar scheme sets, the situation simulation under real-time conditions, and the situation prediction in the future period of time. Including personalized homepage, system navigation, platform management, and more.

4.2 Integrated decision support

Based on the visualization scene, it provides macro browsing and micro information display functions, mainly including visual scenes, information browsing and query, comprehensive monitoring information display, "four pre" information display, comprehensive decision-making and consultation, and other content construction and function implementation.

4.2.1 Visualizing the Scene

Based on BIM+GIS technology, the three-dimensional visualization scene is constructed, and the two-dimensional and three-dimensional data preprocessing and unified storage management of various data achievements of the project are carried out to realize the functions of map operation and three-dimensional roaming, and at the same time, thematic layers are produced to provide a supporting environment for the visual management of the Xiaoqing River flood storage and detention area in Beijing.

4.2.2 Information browsing and query

It mainly supports PC query and mobile query. The desktop query is based on GIS, while the mobile query supports separate queries according to administrative divisions and feature categories. The main content of the mobile terminal query is the query of water conservancy elements, real-time monitoring data, and information such as the operation status of project sharing.

4.2.3 Display of comprehensive monitoring information

Dynamically display the real-time monitoring information of rainwater conditions in the flood storage and detention area, engineering safety, video monitoring and early warning information, and statistical analysis results of key indicators.

4.2.4 "Four pre-" information display

Docking the display of main information such as flood control "four predictions" situation forecasting, disaster early warning, simulation rehearsal, application plan and other functional modules, and providing comprehensive decision-making and consultation support.

4.2.5 Comprehensive decision-making consultation

Realize the summary and display of various monitoring data and special information such as flood control "four precautions", project operation and maintenance management, risk avoidance transfer and disposal analysis, disaster damage verification and assessment, etc., and provide comprehensive decision-making and consultation support.

4.3 Application of "four precautions" for flood control

Based on the digital scenario of flood control, through the optimal and iterative application of water conservancy professional models and the application rules of flood storage and detention areas, the flood control intelligent applications such as flood process simulation, flood control situation analysis, scheduling rehearsal evaluation, and scheme optimization and recommendation are realized.

4.3.1 Situational forecasting

Realize the seamless connection between precipitation forecasting products with different spatiotemporal resolution and different prediction periods and flood forecasting, improve the accuracy of flood forecasting, and finally provide data support for decision-makers to implement scientific scheduling and fine scheduling.

4.3.2 Disaster early warning

Based on the forecast results of rainfall and flood in the flood storage and detention area and the upstream, combined with the disaster early warning threshold and actual situation of the project, the early warning management of flood disasters is carried out.

4.3.3 Simulation rehearsal

By defining the boundary conditions such as rainwater conditions, working conditions, underlying surfaces, flood control scheduling, project operation and activation, and emergency disposal of evacuation and transfer in the flood storage and detention area, the processes of flood evolution, flood control scheduling, and personnel evacuation and avoidance are dynamically simulated.

4.3.4 Use the plan

On the basis of the rehearsal, the response measures such as the safe operation of the flood storage and detention area project, flood control scheduling, flood storage and detention area application, risk avoidance and transfer, emergency rescue, and flood control material management were optimized on a rolling basis, so as to effectively improve the scientificity and operability of the plan, and push the optimization comparison and analysis results to the comprehensive decision support system.

4.4 Project operation and maintenance management

Based on the digital scenario, the file management, safety monitoring and early warning, project operation and maintenance, engineering inspection and management, and engineering safety assessment of flood control projects in flood storage and detention areas are realized, so as to improve the level of digital, visualized and intelligent management, and improve the quality of operation and maintenance management of water conservancy projects in flood storage and detention areas.

4.4.1 Project file management

Collect the basic information of the flood control project in the flood storage and detention area, such as the name, address, scale, category, and management unit, as well as the structured and unstructured data of the flood control project, and digitally convert it.

4.4.2 Safety monitoring and early warning

Realize the associated display of engineering safety monitoring information, gate opening and closing status, and engineering safety operation status; Realize project safety monitoring and operation status early warning information and alarm prompt display; Realize the push of early warning information, and complete the management functions such as storage and deletion of early warning information.

4.4.3 Project operation and maintenance

The operation information of important gates, pumping stations and embankments in the Xiaoqing River flood storage and detention area of Beijing is maintained and managed, and the basic operation information such as their operation status can be queried and counted through the system, so as to provide basic support for subsequent archiving.

4.4.4 Project inspection and management

Realize the inspection and management of flood control projects in flood storage and detention areas based on high-precision positioning. The problems found in the inspection process are fed back to the responsible person of the territorial management department in a timely manner through the mobile terminal, and the follow-up feedback and record are carried out.

4.4.5 Engineering safety assessment

Carry out a comprehensive engineering safety assessment of the flood control project and the safety of the production and living environment in the flood storage and detention area of the Xiaoqing River. Realize the functions of chart linkage browsing and query, statistical analysis, report generation and management of analysis and evaluation results.

4.5 Hedging transfer management

Based on the digital scenario, through the integration of existing data and the convergence of functions, the functions of hedging transfer information management, risk situation analysis, hedging transfer tracking, and disposal result evaluation are realized.

4.5.1 Hedging transfer information management

Based on the combination of PC and mobile applications, the information of the flood storage and detention area is reported and managed, and synchronized to the corresponding database.

4.5.2 Risk Landscape Analysis

Based on the analysis data of the "four pre-planning" of flood control, the relevant analysis of evacuation and resettlement was realized, the names and population of the villages for local resettlement and relocation were determined, and the evacuation and transfer plans were generated, and the comparison and management of the schemes were realized.

4.5.3 Hedging transfer tracking

Realize the functions of tracking the process of evacuation and transfer, emergency disposal, flood control emergency and rescue material distribution, equipment allocation, and emergency disposal reporting.

4.5.4 Evaluation of disposal results

Realize the functions of chart linkage browsing query, statistical analysis, and evaluation report generation and management of hedging transfer and disposal results.

4.6 Disaster Verification and Assessment

Based on the digital scenario, it realizes functions such as disaster loss ledger management, disaster loss query and statistics, and disaster loss compensation management.

4.6.1 Disaster ledger management

Realize the functions of reporting, editing, reviewing, updating, adding and deleting, querying, and statistics of the basic situation of the Xiaoqing River flood storage and detention area in Beijing, and the situation of engineering facilities.

4.6.2 Disaster damage query statistics

Realize the functions of statistics, analysis, charts, and analysis and evaluation report generation of disaster loss information.

4.6.3 Disaster compensation management

Carry out intelligent analysis of the relationship between disaster damage and compensation, and have the function of supervision and management of disaster damage compensation and update information.

4.7 Mobile Apps

4.7.1 Comprehensive monitoring and early warning

Real-time monitoring and sharing of data and remote viewing of video surveillance footage on the mobile terminal.

4.7.2 Project inspection and management

After the inspector finds the problem, the problem will be reported through the mobile application, and the functions of mobile phone photography and small video shooting and uploading and problem feedback are supported.

4.7.3 Emergency response reporting

Realize the data reporting of the mobile terminal in the flood control emergency response work.

4.7.4 Property registration and reporting

Realize the property registration and reporting work on the mobile application side and synchronize it to the corresponding database.

Shushuo 123 is a self-media platform focusing on the digitalization and informatization projects of the water conservancy industry under the self-media matrix Shushuo 123, sharing water conservancy informatization projects, business insights, industry interpretations, enterprise analysis, standard data, cases and solutions every day, and deeply cultivating original + big data, so that you can keep abreast of the dynamics and quickly get orders.