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Hi all,
Due to lack of Oil and Gas Onshore Construction planning experience, I have a question the answer to which may seem obvious to someone. The answer may really be obvious, however I would still like to hear your views.
When your onshore construction contractor provides you with their manpower histogram for the duration of the whole project, how can it be verified? In other words, how do you make sure that the contractor has enough people to support the project?
Is the answer here is as simple as knowing the estimated number of manhours provided by the contractor, as well as knowing their work shifts and how many hours they work each day, and then crosschecking with the manpower figures reported in their histograms? Or there is something else?
Thank you in advance.
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Hi:
to analyze the manpower required to perform a job, it is necessary to consider quantities of deliverables (drawings, fabrication/installation of equipment/material) and the rate for it (quantities/m-h).
Considering the case for a contractor that will participate in the construction, key indexes are production rates.
The histogram will show the total required manpower (in general, direct manpower) and its distribution along the construction time. A feaseble distribution is the Normal/Gauss (backloaded distribution -like Beta- are risky). Here it is relevant to check the other aspect you mentioned (shift, m-h/day, etc).
When construction is underway, productivity is a key index (performance factor, when considers the EV and Actual m-h).
regards
Hello MS,
Please following below steps to verify & ensure the contractor has enough people:
1. Review Manpower Histogram.
2. Detailed Manpower Requirements.
3. Crosscheck with Project Requirements.
4. Consider Skill Requirements.
5. Historical Data and Experince.
6. Communication and Monitoring.
7. Contractual Agreements.
Thanks,
Short answer - at the start of the project you cannot predict the accuracy of the contractors estimates other than by asking intelegent questions.......
BUT once work has started, provided you have reliable data you can assess if the current levels of productivity are adequate. There are four data points:
The planned amount of work at a point in time
The actual amount achieved at the same point
The planned effort (man-days)
The actual effort (man-days)
Then you can answer these questions:
First question = are the people deployed doing enough work?
Second question = are the planned numbr of people working on the job?
Third question = What are the consequences of the current level of production?
The answer to Q3 is key, you can use Work Performance Management (WPM) to get the answer:
https://mosaicprojects.com.au/PC-3-10-WPM.php#WPM-Overview
Email: PPadmin@planningplanet.com
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