HYDRO-RAIN ORBIT SPRINKLER SYSTEM DESIGNER Installation Manual page 8

8. Install valve ManIfolds
For each valve box dig a 26" x 20" hole to the recommended
depth (shown below). For best installation the valve box should
run parallel to the pipe trench as shown to the right.
Add 2" of crushed rock to serve as a drainage base for the
valve manifold.
Place the valve box platform and valve box on the base of
crushed rock. lay a 2 x 4 across the hole to ensure the top of
the valve box is level with the ground (as shown below).
6" Standard Valve Box (OB­53213)
and
Valve Platform Base (OB­53230)
2" Base of Crushed Rock
Assemble all the manifolds called out on the MaInlIne
MaP - example A2 - A4 . match the assembly call out with
one of the following assembly drawing pages. Use the
assembly drawings as your guide.
Do not make any Poly or PVC pipe and glued connections at
this point. We will walk you through that in another step.
If A6 is called out on a sPRInKleR zone MaP then
reference assembly A6 in the following pages for instructions
on creating a drip zone valve.
Prepare the valve box platform for the manifold by removing
one front knockout for each valve in the manifold. remove the
side knockout that is closest to the water source connection.
Place each manifold in its respective valve box platform.
ORBIT SPRINKLER SySTEm DESIGNER™ InstallatIon GuIde
®
20"
Recommended Depth 11"
side Knockout
front Knockouts
26"
side Knockout