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Steel Framed barn anyone
I used 12 foot sidewalls and steel trusses on 10 foot centers. I have enough height for a lot and have a little over the bathroom area, but do not have a gambrel roof design. My barn is 42 x 60 though.
I used a standard barn truss used in the chicken barns, which are designed for a post barn. There are a number of manufactures in AL.
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Steel Framed barn anyone
The picture of my barn are still on the post. I would have to rerun the numbers but I doubt I have 20K in materials with full water and sewer and electric. I would need only about 900 dollars to insulate the roof and it would be fully insulated. The barn is 44 x 60 on the out side dimensions. It certainly will not blow away in a storm as it is insulative concrete forms. It has already seen 100 mile an hour winds.
The truss structure is very strong and relatively inexpensive.
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Steel Framed barn anyone
Murf;
For low pressure clean air or gases we often used swaglok compression fittings with plastic tubing or copper tubing (plumbing). We would often make dead drops off the house air with drains, set our regulator and then run the other tubing.
A few years back I used the PEX tubing and bander to make up a mannifold for my portable air pump. I considered it the solution to running air around the shop as it will not rust and will take the pressure and is not affected by oil. I would not cost much more than 100$. Now if I can only fine the time to work in the shop and run it.
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Steel Framed barn anyone
AC5ZO;
I guess I was not clear; I have had to deal with compressed air that is pumped through the underground tunnels and had 3" air mains full of water.
I have also set up desscicant and refrigerant dryers, nitrogen generators and step up air pumps, but most of this was for instuments or automated equipment. I did not think this pertained.
I was considering the plastic lines more of a cost and contamination solution. The majority of the contaminates in the lines are from the water and oil reacting inside the iron pipe. You can easily buy 100 ft rolls of PEX tubing and plump for air with only a few fittings and connections.
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Steel Framed barn anyone
Murf the cross linked poly is rated for 180 F at pressure so I doubt air is a problem. Low temperature is probably -60C before embrittlement as that is the Tg but have not seen stats on the crosslinked material.
It certainly will withstand freezing with water in it. I don't know how far down it would be OK as it doesnot get real cold here, but with air I would think -30 F would be no problem if not below that.
Obviously this is not a concern for you Murf, with the copper already but maybe others may want to try. I would use the banded fittings though.
Peters
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