Step 7: Roll out the irrigation

Roll out the irrigation
Photo: Brian Smith
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At flowerbeds and trees, connect drip-irrigation tubing to the pressure reducer and microfilter coming from the underground PVC pipes.

Roll out the tubing along the flower bed, keeping it close to the base of the plants.

Keep unwinding the spool back and forth throughout the flower bed; space the tubing 12 inches apart.

If necessary, join one length of tubing to another with a push-in coupling.

When you get to the end of the layout, cut the tubing with a utility knife if necessary, flush it with water, fold it over, and slip on an end clamp.

TIP: Set the tubing in the sun for a few hours and it will soften and be much easier to install.

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    Tools List

    • pvc pipe cutter
      PVC pipe cutter
    • 100-foot tape measure
      100-foot tape measure
    • trenching shovel
      Trenching Shovel
    • trenching machine
      Trenching Machine,
      rents for about $75 a day
    • adjustable pliers
      Large adjustable pliers
    • utility knife
      Utility knife
    • tongue-and-groove pliers
      Tongue-and-groove pliers.
      for tightening threaded PVC fittings
    • ratcheting screwdriver
      Screwdriver,
      for installing the wall-mounted timer

    Shopping List

    1. DRIP IRRIGATION TUBING

    2. MARKER FLAGS

    for marking sprinkler locations before trenching



    3. FLEXIBLE PIPING

    connects sprinklers to PVC pipe



    4. 3/4-INCH AND 1-INCH PVC PIPE

    5. ASSORTED PVC FITTINGS

    6. GROUND STAKES

    to secure drip-irrigation tubing



    7. ASSORTED SPRAY NOZZLES

    8. POP-UP SPRINKLER

    9. PVC CEMENT AND PRIMER

    10. ZONE VALVES

    11. VALVE BOX

    for housing the valves



    12. BACKFLOW PREVENTION DEVICE

    keeps irrigation water from flowing into home’s water supply



    13. GRAVEL

    for spreading under the valve box



    ] 14. BARK MULCH

    for covering the drip irrigation tubing