For industrial plant turnaround maintenance projects, we expect the scope to change - sometimes dramatically. We code and track scope as original and add-on for post-project cost analysis. We track summary (physical) progress as the percent of total manhours complete against a statistical minimum attainment curve for the desired time span.
If the additional manhours is a result of an additional scope thru change order or change directives then you treat it separate from the base scope. You can achieved this by making a separate code, in effect having a separate sub-total for your baseline and additional works.
On the other hand, if it is merely an additional manhours as a result of estimated manhours being wrong, then you simply revised your manhour estimates to incorporate the additional manhours.
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Thanks guys for the reply.
For industrial plant turnaround maintenance projects, we expect the scope to change - sometimes dramatically. We code and track scope as original and add-on for post-project cost analysis. We track summary (physical) progress as the percent of total manhours complete against a statistical minimum attainment curve for the desired time span.
Bernard Ertl
ATC Professional Shutdown / Turnaround Management System
If the additional manhours is a result of an additional scope thru change order or change directives then you treat it separate from the base scope. You can achieved this by making a separate code, in effect having a separate sub-total for your baseline and additional works.
On the other hand, if it is merely an additional manhours as a result of estimated manhours being wrong, then you simply revised your manhour estimates to incorporate the additional manhours.
Hope this helps.
Cheers,
Daniel