<blockquote id="quote"><font size="1" face="Verdana, Arial, Helvetica" id="quote">quote:<hr height="1" noshade id="quote"><i>Originally posted by wetyet</i>
<br />Our county code for backflow protection here in Charlotte is an RPZ type, above ground, cover with the little "door" at the bottom. A licensed plumber pulls the permit and the city inspects from the cross connection to the backflow. Piping sch. 40, 12" deep and 5' copper legs incoming and outgoing of backflow.<hr height="1" noshade id="quote"></blockquote id="quote"></font id="quote">
Every location has different codes. That would be an example of one of the most restrictive.
My city (currently) is almost the exact opposite. I called the city building inspector before starting my irrigation systme and was informed that the only requirement is that some sort of backflow be installed. Beyond that, the SUGGESTED that a licensed plumber make the initial connection to your water main. But otherwise, no permits or inspections of any sort are needed.
When I went to start installing my irrigation system, I called the city inspector and was informed that currently no permit is required and that some sort of backflow prevention be installed