1 Common coordination problems and factors in construction projects
(1) coordination problem. In the current building construction, the construction should be coordinated and coordinated with various engineering designs. If there are contradictions between designs, there will be coordination problems. If the problems are not found in time, rework in the later stage of construction will not only seriously affect the smooth progress of the construction period, but also cause unnecessary waste of the project cost, which will lead to the failure of all aspects of the construction project to achieve the expected use effect and form potential safety hazards. The coordination problem exists not only with the design, but also with the relevant project implementation units, such as design units, supervision units, construction enterprises, government departments and material suppliers, and even among the internal departments of the units involved in the construction. These coordination problems are often easily overlooked, and even if they are found, they are unable to be solved because their departments are weak or difficult to manage. In the process of building construction, it is necessary to establish a standardized restraint, incentive and assessment system, and manage the construction through rules and regulations. At the same time, strictly monitor the reasons that affect the project, coordinate with relevant departments in time, deal with them, and finally keep records.
(2) The causes of coordination problems. There are many reasons for the problems of construction coordination, which can be summarized as follows: ① Technical level: With the rapid development of the current construction industry, there are more and more related majors, which require the construction technical quality to meet the corresponding standards, and each major has its own suitable level and technical requirements. Therefore, we should not only meet the construction procedures of other professional buildings, but also meet the reasonable site selection requirements. If we can't fully consider the technical level, especially the technology of cross operation, it will easily lead to engineering quality problems. Secondly, due to the current high construction requirements, it is actually difficult to apply technology, which is easy to cause contradictions between professional and technical jobs. At the same time, if it is difficult for construction workers to master the rapid replacement of new technologies and new processes, it will also cause corresponding problems. ② Management level: In the current management system, subcontracting is serious, which makes it difficult to define the scope of work. Relevant construction units hope to have more engineering contracts, which greatly increases the influence of human factors on construction, resulting in process omissions and complexity of construction coordination. Secondly, the quality of relevant construction personnel, managers and construction organizations is uneven, which will also bring trouble to the coordination among various professions in the construction process and is also an important reason for the coordination problems.
2 Measures for the Coordination and Management of Construction Projects
(1) Coordination between personnel and institutions. After winning the bid, the construction unit should immediately set up reasonable institutions and posts, such as the general headquarters, chief engineer and heads of various departments. It is required that the general headquarters must have rich practical experience and high working ability, and have enough ability to mobilize all resources for the rational construction of construction projects. Other positions require high professional quality, professional skills and good personal ability, and comprehensively manage the project, and set up corresponding management departments and professional leadership teams. After winning the bid, the headquarters should coordinate the whole project, dredge the construction channels and ensure the construction efficiency. At the same time, it is necessary to strengthen the management coordination between various departments of the unit, and not to ignore the management coordination between external units, so as to form a coordinated management system of the overall internal and external environment and lay a good foundation for future construction projects.
(2) Coordination of preparatory work. First of all, the blue prints.the design should be completed reasonably, and the design unit should be required to make design disclosure in time, prepare reasonable construction budget data, and solve technical problems that are easy to occur in the construction process. At the same time, strictly control the quality of construction technology, combine the actual situation of the construction site and relevant information, scientifically and reasonably prepare the construction plan and the design of sub-projects to provide reliable technical guidance for each construction stage. In addition, in the process of pipeline installation, comprehensive layout should be carefully and responsibly designed, the elevation position between pipelines of each system should be defined, and the supporting position of each lifting point should be unified. It is required that the construction and installation must be coordinated and reasonable, and the installation process should be strictly in accordance with relevant specifications to ensure the quality of construction and installation work. Finally, it is necessary to make technical disclosure, clarify and implement the construction procedures and technology, and make the preparation of the construction plan accurate and reasonable, requiring a comprehensive review of the construction preparation plan of each sub-project.
(3) Management in construction stage: ① During construction, it is required that the underground embedded parts must meet the design requirements of construction. The main work is to embed and operate the embedded parts of equipment foundation. Secondly, the position and size of reserved holes should be further checked and confirmed. At the same time, the hoisting point embedding, equipment hole size and floor load in the project are inspected to lay a good foundation for the future construction quality. (2) When the overall structure of the project rises, the main pipeline needs to be installed, and relevant construction personnel are required to install and construct various pipelines from the bottom to ensure the workload in the ceiling and create excellent construction conditions for the project; (3) After the main body of the project is basically completed, the relevant construction personnel should complete the construction of electricity, water and other projects on each floor from the grassroots level to ensure that the quality of all engineering equipment is in good condition and the construction progress is smooth; (4) In the process of hardcover construction, the whole equipment should be carefully debugged, including cleaning and pressure testing before debugging. Secondly, carry out systematic and comprehensive debugging of all kinds of equipment in strict accordance with the debugging design scheme to ensure that all indicators are accurate and meet the design requirements. Finally, it is best to make corresponding records and save information reasonably.
(4) Main time limit for a project management. In the process of construction, we must work out the corresponding construction network plan according to the project construction progress, optimize and improve the construction network diagram, and strictly control each network node as the control point of the overall construction progress plan of the project. Each project department and subcontractor need to hold regular meetings to improve the progress of implementing the construction plan and coordinate the contradictions among the project participants. To coordinate the contradictions among professional units in the process of engineering installation, we should not only coordinate the construction quality management and installation construction, but also organize regular professional meetings to properly analyze and solve the contradictions and problems among professional departments, so as to formulate the most reasonable construction plan and rationally coordinate the allocation of resources among all parties. Secondly, we should strictly control quality management and establish a corresponding quality management supervision system. Relevant technicians and supervisors shall receive quality and safety education and training from time to time. When problems are found, they should be handled in time to ensure the double harvest of quality and safety during project acceptance. After the completion of the main structure of the project, professional teams should be organized to start cross-construction, and each professional team should be guided. Under the condition of meeting the engineering design requirements, some components can be prefabricated, saving construction time. At the same time, it is necessary to strictly control the quality of materials and mechanical equipment needed for construction, prepare the time for relevant construction materials and equipment to enter the site, repeatedly check and accept the special construction materials and equipment required by the owner, and inform the owner of the acceptance results in the form of written notice. The procurement of other materials and equipment should be finalized to ensure the timely supply of materials and equipment and avoid extravagance and waste. Finally, the relevant operators are required to have certain professional knowledge reserves on various technical requirements and installation parameters of the equipment, so as to know fairly well and control the installation quality of the equipment through acceptance, inventory and verification. During the construction of hoisting equipment, the hoisting scheme shall be worked out in detail.
3 abstract
To sum up, the coordination of construction projects plays an important role in the whole construction process. Only by perfecting the coordination work and doing well the management before and after the event can we reasonably and effectively control the total construction progress, thus ensuring the quality of construction projects and escorting the healthy development of construction projects.
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