Jwalker1911
Addicted to ArboristSite
What do you think the woods is for??
Thats fer bears to poop in.
What do you think the woods is for??
Regarding PVC, it is specifically prohibited for use as air line. The pressure rating and strength of glue joints aren't the issue. The problem is that air typically contains oil and that along with the pvc creates a situation where the pvc can "explode" and send shrapnel everywhere. In your own personal shop at home, if you use pvc it is not likely anyone would gig you on it. It wouldn't make it safe, it would just be unlikely to be a legal issue. If pvc is used for air anywhere that OSHA might inspect or have jurisdiction over, I am pretty sure the fines and penalties would far outweigh the cost savings and ease of installation that pvc provides. Black pipe is the standard for air lines and there are other types of approved lines. I personally use air hose to plumb my drops. It isn't as cheap as pvc but is easy to run anywhere and way simpler to install than pipe (which I have also used in the past). I would strongly discourage anyone from using pvc for air that isn't buried underground. Just because something "works" doesn't make it safe and pvc for air is an application that has been determined to be "unsafe".
Regarding PVC, it is specifically prohibited for use as air line. The pressure rating and strength of glue joints aren't the issue. The problem is that air typically contains oil and that along with the pvc creates a situation where the pvc can "explode" and send shrapnel everywhere. In your own personal shop at home, if you use pvc it is not likely anyone would gig you on it. It wouldn't make it safe, it would just be unlikely to be a legal issue. If pvc is used for air anywhere that OSHA might inspect or have jurisdiction over, I am pretty sure the fines and penalties would far outweigh the cost savings and ease of installation that pvc provides. Black pipe is the standard for air lines and there are other types of approved lines. I personally use air hose to plumb my drops. It isn't as cheap as pvc but is easy to run anywhere and way simpler to install than pipe (which I have also used in the past). I would strongly discourage anyone from using pvc for air that isn't buried underground. Just because something "works" doesn't make it safe and pvc for air is an application that has been determined to be "unsafe".
I dont think we are talking about normal pvc that you would use like downpipe or conduit,Not all PVC is the same, the oil has nothing to do with it, there is proper pressure rated pvc for air line and over here they do not use glue on the fittings or joints they use compression joiners that screw together,
Most of our Water, Sewer and gas pipe in Australia is PVC or poly and that withstands a lot of pressure,
Furthermore, sections 842.32, 842.43 and 849.52(b) of the American National Standards Institute/American Society of Mechanical Engineers (ANSI/ASME) B31.8-1986, Gas Transmission and Distribution Piping Systems Standard, limit the operating pressure of plastic piping distribution systems to 100 pounds per inch (psi) and prohibit the installation of such systems above ground except where ". . . the above ground portion of the plastic service line is completely enclosed in a conduit or casing of sufficient strength to provide protection from external damage and deterioration."
At least someone else knows what stretching and drying fur is. As for money if that is why you do it then you are in it for the wrong reason
I have the same problem with the, old style, larger diameter flourestents not coming on in 40-50f temps. A sparky friend suggested the newer 1" diameter tubes to fix the cold weather problem. Anybody using the NEWER 1" diameter tubes in cold weather??
THANKS
I have the same problem with the, old style, larger diameter flourestents not coming on in 40-50f temps. A sparky friend suggested the newer 1" diameter tubes to fix the cold weather problem. Anybody using the NEWER 1" diameter tubes in cold weather??
THANKS
Now for a quick progress update, I've got the longer 2x4s I need, picked up at Menards last weekend while I had the trailer, going to get the rest this weekend, all shorter stuff that will fit in the back of the truck. I'm stripping some excess pieces off the skids, and I found some 4" thick patio blocks to use for foundation pads. Hopefully by this weekend I can get the skids set and leveled, and maybe build some walls, but that depends on what I can scrounge for windows & a door cheap, not going to build and then tear apart again when I get a window a different size than I planned on originally.
I'll get some pics of what I've been tearing off the skids tomorrow, the guys building these were REAL trigger happy with the nail gun!
Habitat for Humanity runs ReStore shops all over the country. If the one nearest you is like ours, there are always windows and exterior doors in there. You'd easily be able to get a window and door for under $100.
From an OSHA bulletin (full bulletin HERE if you want to read it.
The issue isn't whether it will hold the rated pressure, it's what happens when deterioration or physical damage weaken it to where it won't hold the pressure being applied to it. It will shatter and send shards of plastic across the shop.
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Paint as much white as you can. Walls, floor, ceiling, workbench. Makes it much easier to see and looks clean. Having 2 doors one east and one west works well for me in my shop. Makes it nice for cross breeze. Think of prevailing winds and shade.
Doors are gonna go on the north and east sides. It will be fairly close to another shed on the west side, so that's out. White will be the color of the day inside, would Dolmar Orange with black trim be too tacky for the outside :big_smile:
1/2" copper pipe is awesome for plumbing air.On a farm forum I frequent, you'd be stoned to death, revived, and stoned again for using PVC. It has a nasty habit of sending shards of plastic flying throughout the shop if it breaks. I'll go with sch40 steel pipe in mine.
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