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Construction Contracting: A Practical Guide to Company Management, 8th Edition by Richard H. Clough, Glenn A. Sears, S. Keoki Sears, Robert O. Segner, Jerald L. Rounds

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Chapter 11Project Time Management

11.1 Introduction

Time is an important aspect of job management. If a construction project is to proceed efficiently and is to be completed within the contract time, the work must be carefully planned and scheduled in advance. Construction projects are complex. A large job will involve literally thousands of separate operations. If these operations were to follow one another in consecutive order, job planning and scheduling would be relatively simple, but the project would not be executed efficiently and the project duration would be excessive.

Each task to be performed on the project has its own requirements. Each requires specific materials, equipment and labor, which together determine its duration. Its start depends on the completion of certain preceding operations. At the same time, many tasks are independent of one another and can be carried out simultaneously. Thus, a typical construction project involves many mutually dependent and interrelated operations that, in total combination, comprise a tangled web of individual time and sequential relationships. When individual task requirements of materials, equipment, and labor are superimposed, it becomes clear that project planning and scheduling is a very complicated and demanding management function.

11.2 The Critical Path Method

The critical path method (CPM) is a procedure that was developed especially for the time management of construction projects. CPM involves the analysis of the ...

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