Manhour estimates
Manhour estimates
(OP)
Hi everybody,
I moved to a new company and they are still getting started with Engineering work. They want me to help them in predicting the size of a piping job so that they can budget it accurately (to a certain acceptable extent). Unfortunately, my experience is limited and did not get a chance to participate in these activities before (but it certainly is a challenge); therefore, I need the help of experts to support me in the decision making.
My questions are:
1. What is considered to be a small / moderate / big project in terms of isometrics? [for example, is 2000 isometrics considered a small / medium / big job]?
2. Is there any rule-of-thumb regarding manhours required to generate an isometric? [for example, each isometric will require an average of X manhours...which will include all activities such as modeling, generating isometric, checking, stress and support]
Thanks for your help
I moved to a new company and they are still getting started with Engineering work. They want me to help them in predicting the size of a piping job so that they can budget it accurately (to a certain acceptable extent). Unfortunately, my experience is limited and did not get a chance to participate in these activities before (but it certainly is a challenge); therefore, I need the help of experts to support me in the decision making.
My questions are:
1. What is considered to be a small / moderate / big project in terms of isometrics? [for example, is 2000 isometrics considered a small / medium / big job]?
2. Is there any rule-of-thumb regarding manhours required to generate an isometric? [for example, each isometric will require an average of X manhours...which will include all activities such as modeling, generating isometric, checking, stress and support]
Thanks for your help





RE: Manhour estimates
but
2000 isometrics would be a large sized project for a very small EPC
There are many factors to consider.
Go here (http://pipingdesigners.com/Tools%20-%20section%201...) and you will find the tools that will help you.
prognosis: Lead or Lag
RE: Manhour estimates
Many thanks for your support! Your website is indeed very informative and useful. As a matter of fact, I have already added it to my Favorites previously, but never thought it would also cover this kind of issues. Anyway, really appreciate your help!
RE: Manhour estimates
TTFN

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RE: Manhour estimates
What IRstuff wrote is very true. I would/will tell you the same thing. The trouble is many/most companies do not collect the data and correlate it into a meaningful and useful form.
If you want to get in touch with me, go to the web site I attached in the above posting.
Open the first article, go the the bottom of page 3, (see the e-mail address?) then e-mail me.
prognosis: Lead or Lag
RE: Manhour estimates
I totally understand and agree with you that this matter is variable and depends on each company's experience. I worked with big companies before and I know. The thing is that this company is new and they are still in the beginning of the Engineering business. Average numbers would be good enough for me for starters. I am aware and understand the importance of keeping record of statistical information (such as manhours) because it will be useful for future opportunities, but now this is unavailable.
If I need further help I will get in contact with you Mr. Penn. Thanks again for all your support.