Design Guide

_____________________________________________________________Landscape Dripline Design
■ Recommended Installation Instructions
1/2” Air/Vacuum
Relief Valve
(Plumbed to PVC Tee)
1/2” Air/Vacuum
Relief Valve
(Plumbed to PVC
elbow)
Detail No.9
Detail No.10
27
1. 1” ABOVE FINISH GRADE.
2. NATIVE SOIL PER SPECIFICATIONS.
3. FINISH GRADE.
4. TORO AIR/VACUUM RELIEF VALVE
(T-YD-500-34).
5. 1/2” PVC COUPLING (TxT).
6. 6” ROUND PLASTIC VALVE BOX. HEAT BRAND
“AR” ON LID IN 1” HIGH CHARACTERS.
7. 1/2” SCH 80 PVC NIPPLE
(LENGTH AS REQUIRED).
8. BRICK SUPPORTS (2 COMMON BRICKS
REQUIRED).
9. PEA GRAVEL SUMP (6” DEEP).
10. PVC TEE (SxSxT) WITH 1/2” THREADED
OUTLET.
11. PVC PIPING.
USE ONE AIR/RELIEF VALVE FOR EVERY 7 GPM PER
ZONE. LOCATE AT HIGH POINTS.
1. 1” ABOVE FINISH GRADE.
2. NATIVE SOIL PER SPECIFICATIONS.
3. FINISH GRADE.
4. TORO AIR/VACUUM RELIEF VALVE
(T-YD-500-34).
5. 1/2” PVC COUPLING (TxT).
6. 6” ROUND PLASTIC VALVE BOX. HEAT BRAND
“AR” ON LID IN 1” HIGH CHARACTERS.
7. 1/2” SCH 80 PVC NIPPLE
(LENGTH AS REQUIRED).
8. BRICK SUPPORTS (2 COMMON BRICKS
REQUIRED).
9. PEA GRAVEL SUMP (6” DEEP).
10. PVC ELBOW (SxT) WITH 1/2” THREADED
OUTLET.
11. PVC PIPING.
USE ONE AIR/RELIEF VALVE FOR EVERY 7 GPM PER
ZONE. LOCATE AT HIGH POINTS.