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I'm in the works of doing a compressed air survey where we wish to look at the savings potential for our plant. As there's a lack of control and overview we're going back to the basics (which means I have to start from scratch). I'm physically tracking the largest pipes and redrawing as I go (it's a mess as no one has been in charge of expansions).

I feel that I've gotten most of them now, all down till one inch pipes -- is this enough for just getting the overview, or will I find that much of leekage and such are in the smallest joints, etc.?

We have four 36m

^{3}compressors which run just about constant, and one 24m

^{3}which regulates, and there's miles (km) of pipes.

I've gotten a printout of the power usuage for the compressors for the last year (by the hour) and plan to use this to measure any swings of demand (long term). Shimming trough I can already tell there's been a significant increase the last year (going from about 10 MWh to 13MWh per week) -- this seems strange to me.

It would also be interesting to figure out how large our theoretical need is and compare this to what we produce today, or at least do an estimation. Does anyone have advice on how to do this?

We do not have machinary who are big spenders (atleast not any who count for more than 5%) so how would we approuch this in a good way?

If anyone has done a compressed air survey on their plant and got advice on how to attack this problem it would be highly appricated.

Thanks a lot in advance! :)