Planned Spent Hours is a term used to monitor the progress of projects based on level of efforts. Earned Value Management is based on cost and results planned value and earned value. Similarly, Level of efforts is based on working hours and it result Planned Spent Hours and Earned Hours.  In this article i will explain how to monitor the progress based on working hours.

1-How to calculate the required working hours for a project?

In order to calculate the required working hours for the project, you need to prepare a resource loading sheet. This resource loading contains the BOQ items for each activity along with activity quantity. Next step is to populate the productivity rates in each item to multiply the activity quantity by productivity rate to get the required working hours or the budget working hours.

For example: if you have a BOQ item with quantity 100 M2. The productivity rate is 10 hours per m2. Then you need 100 * 10 = 1000 working hour for this item.

2- Calculate the Planned Spent Hours:

You can simply calculate the planned spent hours for an activity by multiply the planned % * activity working hours. By this way you will get planned hours for each activity and you can sum these hours to calculate the planned hours for the project and divide it by project total hours to get the planned % based on level of efforts.

3- Conclusion:

Earned Value Management or EVM is widely used in projects monitoring. However, due to some issues with front or back loading of costs, you may need another factor for evaluating the project. Level of efforts of working hours could be very effective method to be used along with EVM for proper monitoring. If you want to know more on how to use both planning techniques for a mega construction project, i would advise you to enroll in the Professional Planning Engineer Course.

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