Homestead mailing list

[Gene GeRue <genegerue AT ruralize.com>]

On Sep 11, 2007, at 1:06 PM, Lynda wrote:

> Well, I went to the "tutorial" and then asked DH (landscape  
> designer and
> irrigation specialist) about it because it didn't sound right.
>
> You do NOT want to use Class 200, or Class anything.  It is known  
> in the
> industry as "eggshell."  Lot of sunlight, using a saw without  
> holding your
> mouth the right way, if buried, someone or something (critters)  
> walking on
> top of it and it will crack.  It doesn't last, it won't take pressure.
>
> Around any of the bigger valves (3" and up), use a Schedule 80.   
> The rattle
> from the bigger valves when they turn on (they shake, hard!) will  
> crack the
> Schedule 40 over time and sometimes over very little time.

Thanks for all that.

Here in the Ozarks we use Schedule 40 minimum because of the rocks.  
Unless one has more time and patience than I, hand shading over five  
hundred feet of pipe isn't going to happen. Schedule 40 will take a  
lot of smacking by rocks.