Originally Posted by 1idejim
Mainlines should have valves in place at reasonable intervals for maintenance and emergency shut down.
Posted via Mobile Device
So agreed. I have one condo community that is not going to have the water turned on anytime soon. Mainline and 1.5" valve were broken due to new construction a few weeks ago. We dug it up, prepped it, staked and taped it off, and now it is buried under many feet of dirt. The pipe is open, and I can't fire up the system until that is fixed. With an ISO valve in the mainline, I could start up probably 80% of the system. This project has been a nightmare for three years.