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Distance between gas alternative compresorsHelpful Member!(2) 

Makun (Mechanical) (OP)
23 Jul 09 13:14
Hi, do you know what is the minimal distance between gas alternative compresors? in layout
Helpful Member!  zdas04 (Mechanical)
23 Jul 09 17:43
What exactly is a "gas alternative compressor"?

David Simpson, PE
MuleShoe Engineering
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"Life is nature's way of preserving meat"  The Master on Dr. Who

Makun (Mechanical) (OP)
24 Jul 09 9:52
sorry... Gas piston compressor or reciprocal compressor
zdas04 (Mechanical)
24 Jul 09 10:21
This question comes up pretty often and there is no clear-cut answer.  Some companies have minimum distances to prevent a fire spreading from one machine to another, but fire analysis that I've done makes this look like wishful thinking.

My preference is to be able to get a crane-truck on every side of each machine (but I can live with a pipe rack on the end away from the cooler), and to be able to get a crane within a reasonable distance of the compressors.  Practically, 12-16 ft skid-edge to skid-edge seems to work well if you designate a clear area for a picker (usually 20-25 ft on the cooler-end works).  

One big problem is people that want to  put pipe racks on both ends of the machine so you can't get a maintenance truck near enough to jump a damn battery.  As long as you've considered both access and air-flow requirements you should be fine.

Helpful Member!  dcasto (Chemical)
27 Jul 09 14:28
The absolute minimum is enough distance to pull pistons or other work.  I agree with Zdas, being able to get a truck between that has a small crane is good idea.  In an engine room with an overhead cran, then just enough distance to pull parts is fine.

To limit fire spreading, you may think about putting a few units close together, then have a 50 foot gap to the next series of units.
Makun (Mechanical) (OP)
28 Jul 09 8:06
Thanks to both, Evidently there's no standard to this kind of trouble, but thanks for the help. In this work, where I need it, I'm finish making a Risk Based Inspecction of this place (Compression station metane gas). Do you have any experience with this kind of stations?
zdas04 (Mechanical)
28 Jul 09 9:13
Both dcasto and I spend a good part of our lives in, around, and thinking about stations where methane gas is compressed.

David Simpson, PE
MuleShoe Engineering
Please see FAQ731-376: Forum Policies for tips on how to make the best use of Eng-Tips Fora.

"Life is nature's way of preserving meat"  The Master on Dr. Who

bcs5274 (Industrial)
28 Jul 09 11:47
i own a service company to repair/install/operate compressor stations for both sweet and sour gas, let me know if you need anything, i seen a lot of good and bad over the years
dcasto (Chemical)
28 Jul 09 16:29
I'll give you a published standard on spacing, but I only use it as a general guideline.  The GPSA data book put back in a spacing guideline for equipment. It is hidden under the Utilities section chapter 18.  It is a reprint from GE Asset Protection Services.  It is similar to the old IAI (?) tables that a lot of old timers keep locked up.

Makun (Mechanical) (OP)
7 Aug 09 13:07
Thank you, I found it in GPSA, realy helpful!

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