Re: [PSUBS-MAILIST] Pipe specification guide (might prove useful one day )

[Coalbunny <coalbunny@vcn.com>]

Ahhhh, you've been reading the federal mandated guidelines for pipe
construction.  Right on!
Carl


Michael B Holt wrote:
> 
> Pipe Specifications
> 
> 1. All pipe is to be made of a long hole, surrounded by metal or plastic
> centred around the hole.
> 
> 2. All pipe is to be hollow throughout the entire length, do not use
> holes
> of different length than the pipe.
> 
> 3. The ID (inside diameter) of all pipe must not exceed the OD (outside
> diameter) otherwise the hole will be on the outside.
> 
> 4. All pipe is to be supplied with nothing in the hole, so that water,
> steam or other stuff can be put inside at a later date.
> 
> 5. All pipe should be supplied without rust; this can be more readily
> applied at the job site. Note: Some vendors are now able to supply
> pre-rusted pipes. If available in your area, this product is a
> recommended
> thing, as it will save a great deal of time at the job site.
> 
> 6. All pipe over 500 ft. (150m) in length should have the words "LONG
> PIPE"
> clearly painted on each side at the end, so the contractor will know it
> is
> a long pipe.
> 
> 7. Pipe over 2 miles (3.2 km) in length must also have the words "LONG
> PIPE" painted in the middle so the contractor will not have to walk the
> entire length of the pipe to determine whether or not it is a long pipe
> or
> a short pipe.
> 
> 8. All pipe over 6 ft. (1.83m) in diameter must have the words "LARGE
> PIPE"
> painted on it, so the contractor will not mistake it for a small pipe.
> 
> 9. Flanges must be used on all pipe. Flanges must have holes for bolts,
> quite separate from the big hole in the middle.
> 
> 10. When ordering 90 degree or 30 degree elbows, be sure to specify
> left-handed or right-handed, otherwise you will end up going the wrong
> way.
> 
> 11. Be sure to specify to your vendor whether you want level, uphill or
> downhill pipe. If you use downhill pipes for going uphill, the water will
> flow the wrong way.
> 
> 12. All couplings should have either right-hand or left-hand threads, but
> do not mix the threads. Otherwise, as the coupling is being screwed on
> one
> pipe, it is being unscrewed from the other.
> 
> 13. All pipes shorter than 1/8" (3 mm) are very uneconomical in use,
> requiring many joints. They are generally known as washers.
> 
> 14. Joints in pipes for piping water must be watertight. Those pipes for
> compressed air, however, need only be airtight.
> 
> 15. Lengths of pipes may be welded or soldered together. This method is
> not
> recommended for concrete or terra cotta pipes, however.
> 
> 16. Other commodities are often confused with pipes. These include:
> Conduit, Tube, Tunnel and Drain. Use only genuine pipes.
> 
> 17. Scottish regiments in the Army use Army Pipes in unusual ways. These
> are not approved of in engineering circles
> 
> .
> 
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