I have two questions relative to the international building code for buried
1. Minimum depth?
2. What materials are acceptable? Is it OK to use galvanized pipe? (My
contractor is doing that and I am afraid of future gas leaks due to rust.)
What does the code say.
Based on the replies it seems galvanized is a big no-no everywhere. He
got a permit? Must need one for that kind of work. Is it posted? Does it
need to be where you are? No permit then no post work inspection. You get
galv pipe which may be illegal there. As mentioned, a call to your local
inspection office is the final say.
Here is whats required in Arizona..
Gas yard line must be scotch (green)coated for burial in the ground or
approved plastic with a minimum 18 AWG copper tracer wire.
We bought our ScotchCoated pipe at Naughtons.
It would be best to check in your own municipality or with your
permitting authority. Code can and does vary between jurisdictions.
Did your contractor pull a permit? If so, does it describe what
materials he is using?
A couple of years ago, here in the Atlanta area I added a pool heater. The
local gas company advised I would need a bigger gas meter. The supply line
from the meter to the heater could be PVC underground but where exposed,
should be black pipe. PVC for gas usage is yellow, as I remember, but no
restriction on burial depth, unlike for coffins, water lines, etc.
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