All you need to know is how to screw people out of their pensions and how to spend that money on yourself.
The fun part of those designs is telling the homeowners that dug those 4' deep fence post holes 6" away from a 48" high pressure line. Nothing is more fun than home owner construction when the home owner fails to call blue stakes to locate where not to dig. 48" pipe with 1800 lbs of compressed natural gas ....
yeah that would be a bad day. Gaslines are property boundry and legal description nightmares. Most are so old getting an acturate boundry description is a pain, let say the surveys of the past were not to accurate. But the lawyers like to argue those disputes out.