What are the key points and methods of construction management of construction projects?

1, schedule management 1. 1 make a schedule. The contractor shall formulate a detailed construction progress plan according to the site construction conditions and the construction period in the contract. The contents of the plan include determining the preparatory work before construction, selecting the construction method and organizing the flow process, coordinating the intersection and cooperation of various types of work in the construction, arranging the supply of labor and various construction materials, and determining the target time limit for each sub-project and the completion time of all projects. When making the progress plan, we should consider the influence of other factors such as design change, engineering quantity change, natural conditions change, material supply change and owner's breach of contract on the progress plan, so that the actual progress is different from the planned progress. Therefore, in our actual construction process, we use network planning technology to adjust and control the schedule, and make necessary adjustments and supplements to the schedule in time to ensure the completion of the construction project within the contract period. 1.2 Organize the implementation of the progress plan. The construction progress plan will be strictly implemented after being approved by the supervisor and the owner. The contractor shall keep close communication with the supervisor and the owner, report the progress of the project to the supervisor and the owner on a regular basis, and promptly respond to and deal with the change instructions and rush requirements put forward by the supervisor and the owner; Supervise the work of subcontractors, timely coordinate the construction cooperation of subcontractors, and rationally allocate manpower, construction materials and funds to ensure that they are in place. 1.3 Check the results of plan execution and the deviation of the plan in time, find out the factors affecting the progress, and take corrective measures. The influencing factors of construction progress include the following aspects. ① Improper construction organization: such as unclear construction tasks and objectives, improper allocation of labor and construction machinery, unreasonable layout of construction roads and sites, and construction interference among subcontractors will all cause delays in the construction period. ② Technical reasons: The contractor sometimes underestimates the technical difficulty in construction and rashly adopts new technologies, new materials and new processes without ensuring the progress and quality; Sometimes not fully understanding the design intent and technical requirements will lead to blind construction and rework. ③ Unfavorable construction conditions: due to changes in natural conditions and force majeure factors stipulated in the contract, normal construction cannot be carried out. ④ The influence of other external factors. Measures taken to control the construction progress: ① organizational measures: implementing the division of labor, functions and tasks of managers at all levels in the project management department; Decompose the project and determine the progress control objectives of each part and stage; Formulate a schedule coordination system and hold regular scheduling meetings; Improve the progress recording and reporting system; Do well the ideological work of employees. ② Technical measures: First, carefully study the engineering design drawings and technical specifications, do a good job in the construction organization design, and adjust the schedule at any time according to the changes in the construction process. Questions and problems in design drawings should be reflected to the owner and design unit in written form in time, and clarification is required. The selection of construction methods should be advanced and reliable, and mature technologies should be selected. ③ Economic measures: report the progress of the stage to the supervisor and the owner in time, apply for the progress payment, and strive to obtain the payment visa on time; Do your own financial management, control costs, predict the demand for liquidity, and allocate funds reasonably. 2, quality management 2. 1 scientific preparation of construction organization design, and effectively achieve the purpose of guiding construction. Before the project starts, it is necessary to prepare a detailed construction organization design according to the actual situation of the project, and submit the construction organization design of the unit project approved by the technical department of the enterprise to the supervision engineer for review. For the main or key parts of the construction, as well as the use of new technologies and new materials, it is necessary to put forward specific construction plans, construction technology guarantee measures and new technologies and new materials tests one week in advance, and submit the appraisal certification materials to the supervision engineer for approval. 2.2 According to the optimized construction organization design and scheme, make preparations for construction. Organize technical personnel of the whole hospital to prepare quality assurance measures for each working procedure and type of work according to relevant specifications and enterprise work instructions, do a good job in the blue prints.the design, technical disclosure and technical training, and send the quality technical disclosure and work instructions to the construction team. For the popularization and application of new technologies and new processes, relevant personnel should be organized to study hard. Operators at all levels are required to understand the construction procedures, methods, precautions and quality requirements. Correct selection and reasonable deployment of construction machinery and equipment, do a good job of maintenance, and maintain a good technical state of machinery and equipment. 2.3 In strict accordance with the construction procedures, all concealed works records must be signed by the supervision engineer and other relevant acceptance units before the next working procedure can be organized. Set up quality management points for key parts that affect the quality of the project, and designate special personnel to be responsible. In the process of engineering construction, in addition to the strict inspection according to the inspection content stipulated in the quality standard, the key inspection items must be strictly examined before the construction of key working procedures. Such as building axis coordinates and elevation; Soil quality, location, elevation and foundation size; The size, position and elevation of concrete formwork for beams, slabs and columns, as well as the positions of embedded parts (pipes) and reserved holes; Mix proportion of concrete and test results of steel and cement; The shape and size of special items and other details that need to be checked. Put an end to major mistakes and accidents. 2.4 Adhere to the "three inspections" system, that is, after each working procedure is completed, the operation team will first put forward a self-inspection, and then the project manager of the construction party will organize relevant construction personnel, quality inspectors and technicians to conduct mutual inspection and handover inspection. On the basis of the "three inspection system" of concealed works, please ask the supervision engineer to review and sign for approval. For quality accidents in the process of engineering construction, once found, the supervision engineer shall be solely responsible for organizing and handling them. We must not be soft-hearted in dealing with quality problems. We must follow the principle of "three noes, three noes, three noes" that the cause of the accident is unknown, the person responsible for the accident and the masses are not educated, and there are no specific rectification measures, and deal with it seriously to prevent problems before they happen. 3. Safety management (1) implements the main leadership safety responsibility system. The company will set up a safety work leading group to lead the overall safety work. Its main responsibilities are to lead the company to carry out safety education, implement and publicize the spirit of various laws and regulations, notices and superior documents, formulate various management regulations, conduct weekly safety inspection and appraisal of various projects, and deal with major safety issues. The project department shall set up a safety management team and full-time safety officers, whose main duties are to make safety technical disclosure to workers, implement the spirit of superiors, check the safety work of engineering construction every day and hold an engineering safety meeting once a week. Formulate specific safety regulations and illegal treatment measures, and report to the company's safety leading group 1 time. Each operation team has a part-time safety officer, who is mainly responsible for leading each team to operate carefully, giving patient guidance to each worker, handling problems immediately when found and reporting to the site safety management team in time. During the construction process, in addition to the normal safety inspection, the company will check it once a month or every half month, and the project department will check it once a week. After problems are found, they will be rectified within a time limit to ensure the elimination of hidden dangers. (2) In accordance with the spirit of relevant laws and regulations and relevant documents, strengthen publicity and education, formulate scientific and reasonable construction plans, organize practical operation procedures on site, and strictly implement and apply construction safety specifications correctly. Conduct a thorough inspection of the workers entering the site, conduct unified safety education, and enhance quality and safety awareness. We must seriously study and deeply understand the construction technical specifications and construction safety specifications, and only employees who have passed the training and disclosure are allowed to work at their posts, which has laid a solid foundation for the smooth and successful development of safety work. In the process of construction, establish weekly safety education, presided over by the project manager or full-time security officer. At the same time, before each construction process, the full-time safety officer shall make a written safety technical disclosure, and each team leader shall lead the construction personnel to seriously implement it. (3) Adhere to the system of safety rewards and punishments and the system of holding certificates for special personnel. Violators should be dealt with severely, and model individuals and teams should be praised and rewarded appropriately. Mechanical operators, electricians and other special types of work must hold relevant certificates and operate according to regulations. The man-machine cooperative operation area should be commanded and managed by special personnel. Safety slogans and signs should be set on the construction site, and personnel entering the construction site area must wear safety protection articles. In the process of construction, all kinds of protection work on the construction site, such as the protection of "four ports and five sides" and the setting of various safety facilities, should be strictly implemented in accordance with the relevant standards and norms promulgated by the state and the relevant provisions of the city.

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