An irrigation island layout incorporates PVC supply and flush manifolds connected to dripline laterals with blank tubing at supply and flush ends. A PVC lateral line runs from the drip zone kit to the PVC supply manifold, utilizing an air and vacuum relief valve plumbed at the high point where required. Perimeter laterals are positioned two to four inches from the island edge, connected via PVC tees and elbows with slip adapters. A PVC swing check valve is installed on slopes, and flush valves are plumbed to the flush manifold along with an operation indicator.
BLANK TUBING AT SUPPLY AND FLUSH END OF EACH ISLAND FLUSH VALVE PLUMBED TO FLUSH MANIFOLD OPERATION INDICATOR PVC LATERAL LINE FROM DRIP ZONE KIT PVC SUPPLY MANIFOLD ISLAND PERIMETER PERIMETER LATERALS 2" TO 4" FROM EDGE. PVC ELL (SxS) TEE X 1/2" SLIP ADAPTER AIR/VACUUM RELIEF VALVE PLUMBED TO SUPPLY MANIFOLD AT HIGH POINT (IF REQUIRED.). DRIPLINE LATERAL PVC TEE (SxSxS). DRIPLINE TEE DRIPLINE ELL PVC ISLAND SUPPLY MANIFOLD PVC SWING CHECK VALVE (IF ON SLOPE) PVC FLUSH MANIFOLD FV IN
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