missile job

Discussion in 'Irrigation' started by greenmonster304, Jun 14, 2012.

  1. greenmonster304

    greenmonster304 LawnSite Gold Member
    Posts: 3,014

    Had to add 3 zones to an island in the driveway that had no main or wire in it and no sleeves. had to cross a 2" conduit in the driveway.

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  2. greenmonster304

    greenmonster304 LawnSite Gold Member
    Posts: 3,014

    a few more. we did one spray zone and a zone of drip for the hydrangeas and a zone for the arbs,

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  3. 1idejim

    1idejim LawnSite Fanatic
    Posts: 8,846

    as always a nice clean job devin.

    you pre-located the property for damage prevention of course :)
     
  4. Wet_Boots

    Wet_Boots LawnSite Fanatic
    Posts: 46,449

    do you ever pull a PVC sleeve with the missile?
     
  5. greenmonster304

    greenmonster304 LawnSite Gold Member
    Posts: 3,014

    Of course, we found a 2" conduit feeding the pool equipment 3' into the driveway 30" down that we exposed and witnessed the crossing.
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  6. greenmonster304

    greenmonster304 LawnSite Gold Member
    Posts: 3,014

    No I haven't but it would be a good idea. I would need to get a special clamp to hold the sleeve in place. In this job I used 160 psi poly as my air supply hose with the 18/6 taped to it then when the missile reached the other side I just cut the pipe and it became the main. The soil was almost pure sand and was collapsing that's why I did it this way.
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  7. Mdirrigation

    Mdirrigation LawnSite Silver Member
    Posts: 2,457

    Dont try to pull in a pvc sleeve with the missile , If there is a problem you cant change the missile dirrection . A 3 inch missile makes a hole big enough that the 2 inch pvc slides right thre.
     
  8. ed2hess

    ed2hess LawnSite Fanatic
    Posts: 12,960

    Can I get a little more info on the device you used to get under the drive? Is the cost such that a normal business can afford it? What is the power source...air?
     
  9. ed2hess

    ed2hess LawnSite Fanatic
    Posts: 12,960

    Sorry search provided a lot of info. But is there one that you can get for around $2000 that would be recommended.
     
  10. greenmonster304

    greenmonster304 LawnSite Gold Member
    Posts: 3,014

    It is called a pneumatic boring missile or mole. I use my 185 cfm compressor to power it. You dig a hole on each side, point, level, shoot. You can get some fancy launching equipment but for the average driveway that is not needed. Mine is a 3" diameter Grundomat that I bought used for $1500. I think a new 3" Grundomat is about $5000.
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