best way to lay out and install circle?

Discussion in 'Hardscaping' started by alldayrj, May 1, 2012.

  1. alldayrj

    alldayrj LawnSite Gold Member
    Posts: 3,768

    it isnt being laid in a circle pattern, just within a circular border - look at the picture

    do you guys really trust that plastic snap edging? the work looks beautiful, I'm not knocking it, just curious
     
  2. alldayrj

    alldayrj LawnSite Gold Member
    Posts: 3,768

    is a 15' diameter, so 7.5 radius, centered on the corner of the 20x30 patio, all the other corners will be rounded but I string it out square for layout the base the circle off of that corner.

    So I should just form it with my bendable boards and triple check it with the string and center pin method?
     
  3. DVS Hardscaper

    DVS Hardscaper LawnSite Fanatic
    Posts: 6,412

    Whatever works best for you.

    Some guys like to hunt deer from a tree stand, some like to hunt deer from the ground. Whatever you can come up with to get the task done.

    We measure with string. Often times pull triangles.

    We don't use bendable boards, that's alotta stuff to pack onto the truck! We simply use SnapEdge restraint for marking and such.

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    Last edited: May 1, 2012
  4. White Gardens

    White Gardens LawnSite Fanatic
    Posts: 6,776

    The only issue I've had is that in the case of the picture that I posted, the HO is pretty good about running the tire of their diesel JD lawn tractor over the edge of the sidewalk and tweaking a few pavers on the edge.

    I might, in the case of the circle, is to go ahead and put a mortar restraint on the circle section to alleviate the issue. I've even thought about leaving the plastic restraint and putting a mortar bead right on the restraint.

    But over-all, I've had good luck with the plastic restraint with anything I've used in on.


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  5. DVS Hardscaper

    DVS Hardscaper LawnSite Fanatic
    Posts: 6,412

    It's not plastic.

    We have used it for 16 years.

    Consecutively


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  6. White Gardens

    White Gardens LawnSite Fanatic
    Posts: 6,776

    Very True.

    As for alldayrj, personally I think you are splitting hairs when it comes to the circle location, or circle boarder radius. I'm pretty sure you've got pi in your equation somewhere too.......

    Yes, you still need to figure your center location and such, but you don't need to be 100% exact as you'll find out that your numbers might not work once the installation has begun.

    Basically allow yourself a fudge factor and adjust on the fly. I know I'm always adding a foot, taking off a foot, adding a curve here or there etc.....

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  7. alldayrj

    alldayrj LawnSite Gold Member
    Posts: 3,768

    I did it with the pin and tape method.

    next up is the fire pit. I'm using a cambridge kit and I will ask them tomorrow when I pick it up but iI'm curious what you guys do. Install it on top of the pavers or leave out the pavers and set it down on the base material?
     
  8. White Gardens

    White Gardens LawnSite Fanatic
    Posts: 6,776

    I've never done a pit in a patio before, but, if I were to do one, I would cut out and take out the pavers, then remove any base material I needed to in order to get the grade correct for the pit, re-tamp, then set a circle footer of 2"-3" concrete. Then start building the pit.

    And, don't forget to auger out a good hole in the center of the pit, line the hole with landscape fabric and fill it with washed pea-gravel so that the pit won't hold water.

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  9. alldayrj

    alldayrj LawnSite Gold Member
    Posts: 3,768

    I think the cambridge kit has a steel liner
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  10. White Gardens

    White Gardens LawnSite Fanatic
    Posts: 6,776

    What does that matter?

    With all the heat and such, I always put a concrete footer to set the pit on along with re-bar in the footer.

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