Scheduling is an essential phase of any construction project and is inevitable for the successful completion of the project within the planned time and budget. Generally, scheduling can be defined as the process of listing all the activities to be carried out with the planned start and completion dates. In this regard, the Construction Schedule refers to the graphical representation that depicts the starting and completing dates of each task and the sequential relationship among the various activities in a construction project.
USE OF CONSTRUCTION SCHEDULING
Some of the main uses of construction scheduling can be listed as follows:
1. Construction scheduling gives the information regarding the quantity of work, labour, machinery, equipment etc required a particular period.
2. The progress of the work and the expenditure can be checked and duly adjusted.
3. The project can be completed systematically and effectively.
BENEFITS OF CONSTRUCTION SCHEDULING
The major benefits of construction scheduling are as follows:
1. The resources required at various phases of work execution can be listed and duly procured thereby preventing the shortage and overbuying of resources.
2. The alternative methods of work execution can be evaluated and the most feasible alternative can be selected.
3. The work progress can be well monitored and evaluated.
4. Construction scheduling delivers the starting and completion dates of each activity and thus optimization of resources can be managed.
5. It prevents the undue delay and extension of time.
6. It helps to complete the entire project within the planned approved budget preventing cost overrun.
TYPES OF CONSTRUCTION SCHEDULE
The various types of construction schedule can be listed as follows:
1. Construction Material Schedule
2. Labor Schedule
3. Equipment Schedule
4. Financial Schedule
5. Control Schedule
6. Organization Schedule
7. Summary Schedule
8. Control Schedule
PREPARATION OF CONSTRUCTION SCHEDULE
The preparation of a construction schedule includes the following series of steps:
1. First of all, the entire project is divided into several activities or operations and the relation among the sequence of activities is established.
2. Then, the quantity of the works to be executed at each task or activity is determined.
3. Finally, the time necessary for the completion of each activity as well as the total completion time is determined.