[FGII-XR6]

PIPE DESIGN CRITERIA

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 O.D. (outside
diameter) otherwise the hole will be on the outside.


4. All pipe is to be supplied with nothing in the hole so that the 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 pipe. If available in your area, product is recommended,
as it will save a great deal of time of the job site.


6. All pipe over 500 ft (153m) in length should have the words "Long Pipe"
clearly painted on each end so the contractor will know it is a long pipe.


7. Pipe over 2 miles (3.2km) 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 determined wether or not it is long pipe or a short
pipe.


8. All pipe over 6" (152mm) in diameter must have the words "Large Pipe"
painted on it sot eh contractor will not mistake it for a small pipe.


9. Flanges must be used on all pipe. Flanges must have holes in for bolts
quite separate from the big hole in the middle.


10. When ordering 90 degrees, 45 degrees or 30 degree elbows, be sure to
specify right hand or left hand: otherwise you will end up going the wrong
way.


11. Be sure to specify to your vendor wether you want level, uphill or
downhill pipe. If you use downhill pipe 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 unscrewed from the other.