Crashing Formula

Cost slope=(Crash cost-Normal cost)/(Normal time-Crash time)
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What is Crashing?

Conducting a crash program usually results in an increase in the cost of those activities that are constructed under the crash program. In order to keep the total increase in cost to a minimum, it is necessary to crush those activities which permit a reduction in construction time at the least total increase in cost. The reduction in time for a project can be achieved by reducing the duration of one or more activities lying on the critical path.

What is Cost slope?

The cost slope of an activity is the increase in the cost of activity by reducing the duration by one unit. The cost slope concept helps in finding the lowest cost solution by sequential compressing the activities having the lowest cost slope, i.e., having the lowest incremental cost, on the critical path.

How to Calculate Crashing?

Crashing calculator uses Cost slope=(Crash cost-Normal cost)/(Normal time-Crash time) to calculate the Cost slope, Crashing usually result in an increase in the cost of those activities that are constructed under the crash programme. Cost slope and is denoted by CS symbol.

How to calculate Crashing using this online calculator? To use this online calculator for Crashing, enter Crash cost (CC), Normal cost (NC), Normal time (NT) and Crash time (CT) and hit the calculate button. Here is how the Crashing calculation can be explained with given input values -> 0.001157 = (400-300)/(259200-172800).

FAQ

What is Crashing?
Crashing usually result in an increase in the cost of those activities that are constructed under the crash programme and is represented as CS=(CC-NC)/(NT-CT) or Cost slope=(Crash cost-Normal cost)/(Normal time-Crash time). Crash cost is the cost associated when the project is completed with the crash time of the project, The normal cost is the cost associated when the project is completed within the normal time, Normal time is the amount of time initially planned to complete the activity and Crash time is the amount of time that activity will take if the additional resources are expended.
How to calculate Crashing?
Crashing usually result in an increase in the cost of those activities that are constructed under the crash programme is calculated using Cost slope=(Crash cost-Normal cost)/(Normal time-Crash time). To calculate Crashing, you need Crash cost (CC), Normal cost (NC), Normal time (NT) and Crash time (CT). With our tool, you need to enter the respective value for Crash cost, Normal cost, Normal time and Crash time and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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