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Sunday, November 24, 2019

Man Day and Man Hour




Dear Readers,


Man Day (MD) is used in construction industry to estimate the manpower and costing purpose

MD refers Man Day; it is a unit of measurement for workforce. An industrial unit of production equal to the work one person can produce in a day.

Other Unit of Measurements are Man Hour and Man Month are commonly used in construction industry for the similar works depends upon the nature of work. It is used for estimation of the total amount of uninterrupted labour required to perform a task.

Man-hours exclude the breaks that people generally require from work, e.g. for rest, eating, and other bodily functions. They count only pure labour. Managers count the man-hours and add break time to estimate the amount of time a task will actually take to complete.

Eight Hour working is called One shift and one person working one shift (8 Hours) is called one-man day. Decide what constitutes a "man day." In most cases, a "man day" is eight hours, although that is up to a company to decide.

If the work gang comprises 10 workmen and working one shift is equal to 10 MD and if the gang works 6 days then it is 60MD.

In construction industry over time is exists. It is subject to the nature of job. Normally 3 Hours overtime is regular in all sites. However, benefits will not be applicable on overtime wages.

During MD rate calculations terminal benefits are subject to the duration and local site environment

MD rate arrives from

 ABW (Average Basic Wages)

 Over Time Wages

 PF & Admin. Charges of employer portion

 Terminal benefits

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