1 information work content
Use the computer project management information system to realize the construction quality goal, construction progress goal and construction cost goal of this project, form the optimal allocation of resources, and effectively manage the contract, quality, safety, civilization, contract settlement and other elements and documents. At the same time, according to the requirements of the owner, the software "Xinyuan Company Infrastructure Information Management System" provided by the owner is used for project construction management, including management systems such as schedule, quality, safety, resources, contract, contract settlement and documents.
2 the role of information management
Help the project department to make scientific decision, process control, process evaluation, feedback and rectification, etc. And properly coordinate the relationship with the relevant units of the project construction.
3 the establishment of information management system
3. 1 Hardware and software of information management system
(1) computer network
After the project starts, the information management department of the project department will be established to communicate with relevant departments of the project department, carry out information management planning, establish the computer local area network of the project department, use computers to reach management positions, train information management personnel, and put them into use after debugging. The local area network of the project department is connected with the network of the Engineering Bureau through the Internet to control and manage the whole project.
(2) Computer hardware and software
Computers and workstations that meet the requirements of "Infrastructure Information Management System" can support the daily construction management of contract projects and meet the minimum computer configuration requirements: the CPU is Ben IV, the memory is 256M, the hard disk is over 40G, and the special plane is dedicated. Network planning and wiring are completed by the information management department. Considering the network balance of workstation nodes, the optimal configuration is realized. The network topology diagram is shown in Figure 2 1.3- 1.
3.2 Configuration of management personnel
Configure two full-time operation managers who are familiar with computer software and hardware and can maintain the system to support and maintain the system. At least two people in each department of the project department can collect and input the management information of each department.
4 information management system operation and maintenance measures
As the basis of engineering control and coordination, information management is realized by establishing information coding system, clarifying information flow, formulating information collection system and processing information with efficient information processing means. The measures taken in this project are as follows:
(1) Information types include quality control information, safety control information, schedule control information, cost control information, contract control information, technical management information, etc. According to the principle of unit division and numbering of bidding documents, the coding system is set up.
(2) Within the organization of the project department, by establishing rules and regulations such as post responsibility, document management system and common report management system, the division of functions is defined, the daily business is standardized, the report documents are standardized, the data is completely coded, the information feedback system from factory team to functional department to decision-making level is established, and the progress plan implementation report and other required materials are submitted to the owner and supervisor.
Figure 2 1.4- 1 schematic diagram of information feedback system
(3) Set up the local area network of the project department to share information resources through the internal computer network. Hold monthly (weekly) progress coordination meeting, cost analysis meeting and quality and safety meeting, and regularly make statistics and analysis on the funds, labor, technology, equipment and materials of the project, so as to realize the dynamic management of project elements and ensure the timeliness and scientificity of decision-making.
(4) The chief engineer of the project department is responsible for submitting the progress plan implementation report to the owner and the supervisor regularly as stipulated in the contract.
Figure 2 1.4-2 Block diagram of information management program
5 Information collection, processing and transmission
Information is the basis for timely feedback of construction progress, technology, quality, safety, cost control and decision-making level in the whole construction process, and it is an important and true record of the project construction process. Therefore, during the construction process and before completion, relevant engineering information shall be entered and transmitted to the employer and supervisor in a timely and accurate manner according to the time limit, content and format required by the employer and supervisor.
5. 1 information collection
Collect process data such as construction quality, construction progress, construction cost, construction technology, construction safety and contract management, so as to create information conditions for dynamic control of project construction;
According to the characteristics of construction management of this project, in the process of project management, the construction quality checklist of each construction team and auxiliary construction unit is collected, quality assessment is carried out, internal reward and punishment system is formulated, and the process control of construction quality is actively carried out.
Classify and collect all kinds of data, analyze the resources such as personnel, equipment and materials that may affect the construction progress, allocate resources reasonably and timely, and control the construction progress;
Collect purchasing information, market price information and relevant policy information by classification, conduct economic risk analysis, take effective measures to reduce or avoid economic risks, and actively control construction costs.
5.2 Information processing
The submitted electronic files should use Microsoft word documents, reports and various image charts should use Microsoft Excel worksheets, and graphic files should use AutoCAD drawings. The above file formats are 2000 or above. The overall construction progress plan is compiled by P3 or the project department.
5.2. 1 Implementation progress report
The contractor shall provide monthly and weekly reports as instructed by the supervisor, and fill in the weekly and monthly progress reports in the approved format before the end of each month. The corresponding materials shall be entered into the Employer's "Infrastructure Information Management System" in time, and at least the following contents shall be recorded:
(1) Fill in the weekly and monthly construction schedule according to the bill of quantities;
(2) The actual engineering quantity progress of site construction (mainly reflecting the progress of one week);
(3) Image progress of site construction;
(4) Record the adverse impact on the construction progress and the measures taken to alleviate this adverse situation and reach the expected progress again;
(five) the on-site implementation and operation of the facilities used;
(6) The arrival of the contractor's equipment and engineering equipment and the future arrival plan;
(7) The status of the contractor's key construction equipment, including configuration, quantity, operation, maintenance and performance;
(8) Usage of main materials such as steel bar, cement and admixture during the contract period;
(9) Personnel who are put into the construction site;
(10) Records of quality defects, personal accidents, shutdown and other emergencies;
(1 1) Record the engineering technical measures and management decisions to be required by the contractor;
(12) hydrometeorological records of the project area;
(13) Other information required to be reported by the regulatory authorities.
Construction quality report
The contractor shall promptly report the construction quality of each construction unit of the contract project.
(1) daily and weekly construction quality reports;
(2) the current construction quality problems, defects and treatment measures, treatment results report;
(3) the unit project decomposition of the contract project;
(4) Quality evaluation and acceptance of unit projects and important working procedures;
(5) Material inspection and results;
(6) other engineering quality statistics
Construction safety report
The contractor shall provide information on safety training, safety inspection, safety measures, safety meetings and safety accidents in accordance with relevant regulations. The contents of the report shall meet the requirements of the supervisor and the relevant contents stipulated in the safety management measures formulated by the employer.
5.2.4 Contract Price and Unit Price Analysis Table
The contractor shall enter the contract price, including bill of quantities, unit price analysis table and other auxiliary materials (including unit price analysis data of contract changes) into the "Infrastructure Information Management System" of the employer.
Contract settlement report
The Contractor shall enter the settlement report information into the "Infrastructure Information Management System" according to the relevant regulations of the Employer.
5.3 Information transmission
5.3. 1 Internal information transmission
Input useful information into LAN through data management center, establish hierarchical authority system and notification system, and notify relevant personnel to obtain information and execute instructions by themselves.
External information transmission
During the execution of the contract, when handing over the data and construction records of various sub-projects and unit projects, a detailed list shall be made, which shall be signed and sealed by the project leader, sent to the supervisor for review, and then handed over to the employer at the time required by the employer.
6 computer information security
The project department adopts authorized users and password verification to ensure the normal use of legal users, and establishes a reward and punishment system for data management and entry personnel through computer safety education for internal employees, and uses technical means and management measures such as firewall (software and hardware), antivirus software and timely automatic backup of information materials to prevent the invasion of external computers. So as to ensure that the computer software and hardware are not damaged or changed due to accidents and malicious reasons, and ensure the validity, integrity, accuracy and confidentiality of the original network data and information.
(1) confidentiality: ensure that online data and data in memory are not leaked in an improper way;
(2) Integrity: ensure that the data will not be changed without authorization, that is, the information will arrive at the receiving destination without distortion;
(3) Accessibility: ensure that information and information systems are really used by legitimate users, and prevent the system from being refused service or used by illegal personnel due to computer viruses or other human factors;
(4) Authenticity: the authenticity of the message and its source can be authenticated;
(5) Controllability: Implement safety monitoring and management of information and information systems to prevent information and information systems from being illegally used.
Figure 2 1.6- 1 Block diagram of completion data collection, collation and handover procedures
6. 1 computer virus prevention management system
The spread of computer viruses is mainly through copying, spreading and running programs. The development of the Internet, especially the Internet, has accelerated the spread of the virus. Virus prevention includes detection, removal and recovery.
(1) Install software and hardware firewalls, check and filter information passing through control points, collect and record related events passing through control points, shield internal network structure, and improve the security and flexibility of the system;
(2) Install genuine network antivirus software, set up automatic intelligent upgrade, and carry out antivirus regularly;
(3) Strengthen the management of e-mails, don't easily open and download e-mails of unknown origin and their attachments, find viruses in downloaded e-mails in time, and reduce the chance of being infected;
(4) When using new software, check with antivirus program to reduce the chance of infection;
(5) It is not easy to set up complete access to the computer hard disk or its folder;
(6) When browsing the Internet, it is forbidden to visit unfamiliar websites and suspicious web pages, and do not download the software and programs of unknown websites to avoid being infected with viruses;
(7) Set up a computer system security administrator who is a part-time network administrator;
(8) It is forbidden to play games on the work computer;
(9) Users make virus prediction when exchanging data.
6.2 computer security technology prevention and control measures
(1) Establish the safety management system of the project department's computer room, and its main points are as follows:
1 certification does not match;
(2) Strengthen fire prevention, theft prevention and shock prevention;
(3) Emergency system for emergency treatment.
(2) Establish a computer system operation management system.
① The network administrator is responsible for starting and closing the computer system;
(2) monitoring system operation;
③ Regular maintenance of computer network system.
(3) Establish a management system for system operators.
Separation of host or terminal operation posts; Work-related operations are not allowed on the machine where the system is running; Don't run the program beyond authority; Do not consult irrelevant parameters; Immediately report abnormal operations, etc.
(4) Establish important management systems for system software and application software, such as updating and maintenance of system software, separation of source program and target program of application software, and safety protection measures of the system itself;
(5) Establish a data management system. Management of important data input, output and backup;
(6) Establishing a password management system: filtering passwords with poor security; Make the password special and change it regularly;
(7) Establish a network communication security management system: The Internet is not only convenient for work, but also the source of security risks. In particular, it is necessary to establish a secure e-mail receiving and dispatching system to prevent external security threats such as viruses;
(eight) the establishment of virus prevention and control management system, timely detection and removal of computer viruses, and save the detection and removal records;
(9) Conduct risk analysis regularly and make disaster recovery plans, such as obtaining backup data and organizing system reconstruction.
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