Definition of engineering construction plan: a technical document that specifies the duration, construction procedures and construction intensity of the main construction preparatory work and the start, completion and commissioning of the main project to realize the benefits of the project.?
Introduction
To the proposed project as the object, stipulates the construction sequence of each project and start, completion time of the construction plan.
Construction schedule is prepared in accordance with the following principles:
From a practical point of view, pay attention to the construction of the continuity and balance; according to the contractual requirements for the duration of the contract, to do a good job of seeking speed, improve the rate of completion; to seek a comprehensive economic effect. The construction progress plan is prepared according to the principle of network planning method of flow operation. Flow of work is in the division of labor and mass production on the basis of the formation of a scientific method of production organization.
It is characterized by the continuity, rhythm and balance of production. Because of the technical and economic characteristics of construction products and their production, in the construction of the construction method of flow operation, the project must be divided into a number of construction sections, when the first professional construction team completed the first construction section of the first process and vacate the working surface and transfer to the second section of the second construction, the second professional construction team can be entered into the first section of the construction process to complete the next process, and then transferred to the second section of the construction of continuous operation.
To ensure the continuity of the work of the construction team, but also to make the latter process can be inserted into the construction in advance, making full use of the space, but also to fight for time, shorten the duration, so that the construction can be carried out quickly and steadily. The use of network planning methods to prepare the construction schedule can be linked to the entire construction process, forming an organic whole, reflecting the work (engineering or process) of the technology and organizational links, can provide managers with a variety of useful management information.
In the past, the long-term use of the crosswalk method (also known as the Gantt chart method), is a table with time scale form plan, has a concise, image, easy to understand the advantages. The disadvantage is that the progress of the plan can not indicate the interrelationship between the work and the completion of the key to the plan, for particularly complex projects, it is more difficult to adapt to the needs of program management. Since the mid-50s after the emergence of network planning methods, the construction industry more use of network diagram method.
Network diagram, also known as the arrow diagram, is the sequence of work processes and process direction, from left to right with an arrow drawn. It makes up for the defects of the crosswalk diagram, so that construction managers can focus their attention to grasp the key, but also in the implementation of the situation can be predicted to change the schedule and the impact of future work, in order to take timely countermeasures.