| The subway intelligent system combines computer technology,network technology,communication technology,and automatic control technology to comprehensively and effectively monitor and manage all relevant equipment in the subway line to ensure that all relevant equipment is in an efficient,energy-saving,and optimal operating state.So as to provide workers with a safe,comfortable,convenient and efficient working environment.The subway intelligent system construction project is an indispensable key link in the subway construction project.In addition to ensuring the quality of the project,the research on the management of project progress also has important application value.Taking A subway intelligent system construction project as an example,this paper analyzes and studies the management mode and related constraints of A subway intelligent system construction project based on the key chain project management technology,from project planning and control,key chain identification,The project progress control method is proposed in three aspects of schedule control,and the resource-constrained project buffer setting method and corresponding safeguard measures are proposed.The purpose is to ensure that A subway intelligent project can successfully complete the project target within the specified time limit,and also meet the economy,quality,safety and environmental protection requirements.This paper first analyzes the current situation and existing problems of A subway intelligent system construction project progress management,and finds that the project progress management mainly has the following five problems: organizational management is not mature enough,planning work is not combined with key processes,schedule management methods are backward,and resource supply is provided.Unbalance and lack of effective safeguards.Based on the analysis of the source of the problem and its constraints,the key chain technology is applied to study the progress management of the project.The research content includes the following five parts: First,the work structure of the A subway intelligent system construction project is decomposed to realize the comprehensive display of the specific content of the project from large to small.Second,the project process relationship is determined and the time of the process is estimated,and the characteristics of each process and the position of the process in the critical chain are clarified.Third,consider the demand supply plan for project resources to avoid delays due to insufficient resources.Fourth,identify and determine the critical chain of the A subway intelligent system construction project,and set a buffer that meets the actual needs of the project for the uncertain factors in the project.Finally,based on the use and monitoring of the buffer,the implementation of the overall progress of the A subway intelligent system construction project has a complete understanding,which is conducive to the management of the project schedule.From the practical benefits of the application of A subway intelligent system construction project,the application of critical chain schedule management technology can significantly shorten the construction period,which is less than half a year compared with the B subway construction period,and compared with the previous engineering projects,the quality of the A subway intelligent project is in quality.There will be relatively better results in terms of cost. |
