Planejamento e controle de cronograma físico de obras por mei oda corrente crítica no Ms Project
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2015-08-27
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Universidade Federal de Goiás
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We noticed that even with the diversity of computational tools, along with the management, a lack of efficiency in meeting project deadlines in construction work. Several studies indicate failures in project management, highlighting the existence of problems related to planning and control of construction works, as the most recurring. The critical chain is an application of the theory of constraints in project management that aims to meet the deadlines, through the lungs management of consumption. In this context, the present study evaluates the implementation of the critical chain methodology in a physical planning using Ms Project as management software, in a construction work company. The methodology used was a case study and was conducted in two projects, located in the cities of Guapó and Palmeiras de Goiás, in the State of Goiás. According to the study, as the application in construction work, the results show that the Critical Chain Project Management (CCPM) can be applied in compliance with all steps recommended by the theory. Regarding the fulfillment of the project’s deadline, the study showed that in companies with emphasized problems in planning and financing, delays continue. In the financial aspect, we noticed that the delay in transferring funds by the funding agency, attached to the Federal Government, to the company impacted directly on planning the purchase of materials, equipment and workforce. The methodology of critical current proved to be applicable to the construction work sector and the Ms Project software, but with limitations. Among the limits, it is worth mentioning the use in very extensive schedules and the carrying out of steps without the aid of automatic functions or the method known as "manual", in Ms Project. As a solution to this limitation, the study presents the use of Ms Project on critical chain using automatic routines (macros). As a result, while using the "manual" it was noticed a significantly higher period of time, compared with the automatic, in addition to the possibility of errors in data entry and reworking. In automatic method, the time is reduced and errors and reworking are eliminated. Both in the "manual" method, as the automatic method, the steps of creating convergence lungs and the late start of the tasks are not feasible for long schedules, which are characteristic of real estate undertakings of social interest.
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RESENDE, V. H. M. Planejamento e controle de cronograma físico de obras por mei oda corrente crítica no Ms Project. 2015. 209 f. Dissertação (Mestrado em Engenharia Civil) - Universidade Federal de Goiás, Goiânia, 2015.