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# Diy zen backyard garden ideas Answered

MY WHOLE YARD IS 68FT BY 124FT AND I WANT TO CREATE A ZEN GARDEN AND ENCLOSE IT USING PVC PIPES HORIZONTAL FENCE 2'' BY 10 FT SCH40 . ANY IDEA HOW TO START THIS PROJECT WOULD BE GRATLY APPRECIATED . i'm A WOMAN AND I HAVE TO DO THIS BY MYSELF

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The forums are retiring in 2021 and are now closed for new topics and comments.

By the way, it occured to me that maybe you do not want to cover the entire area (68*124=8432 ft^2) of your yard with gravel and giant rocks.

I mean, the numbers are big when considering the whole area of the yard.

A scaled down version, would obviously give numbers that are smaller.

Also I noticed this 'ible:

https://www.instructables.com/id/How-to-build-your-own-desktop-zen-garden/

Although scaled down to desktop size, is maybe too small.
;-)

Regarding the problem of one person moving big rocks, I recall there was this guy named Wally Wallington, who made a hobby out of moving massive concrete blocks. I think he was building his own version of Stonehenge in his back yard, or something like that.

https://en.wikipedia.org/wiki/Wally_Wallington

Also that Wikipedia article mentioned Edward Leedskalnin and a similar construction called "Coral Castle." The funny thing about that one is, Ed built that place mostly in secret, without revealing to anyone his construction methods. So naturally there was a lot of speculation about exactly how he built it, including theories about aliens, and anti-gravity, and all kinds of crazy ideas.

How to start? Well, I think it was Bruce Lee who once said,

"The possession of anything begins in the mind."

https://www.azquotes.com/quote/171390

So as a mental exercise, I want to contemplate the mass of that area you mention (68 feet x 124 feet) or (20.7 m x 37.8 m) filled with gravel, to a depth of about 3 inches or 7 cm = 0.07 m.

Why gravel? Well, because I looked at the pictures in the Wikipedia article for "Japanese rock garden,"

https://en.wikipedia.org/wiki/Japanese_rock_garden

and from looking at those pictures, it looks to me like the main ingredient in any of these, is gravel.

It turns out, rocks are heavy. I mean, there are web sites out there, like this one,

https://www.simetric.co.uk/si_materials.htm

titled, "Mass, Weight, Density, or Specific Gravity of Bulk Materials."

is basically a long list of mass densities for different bulk materials. It has a few different kinds of dry gravel. One quote is 1522 kg/m^3. Another is 1682 kg/m^3. So a good estimate is maybe 1600, or 1.6 metric tons per cubic meter, where 1 metric ton is 1000 kg. I think that is the same as a "megagram" or "Mg". Although, I think the phrase "metric ton" is more common in English.

https://en.wikipedia.org/wiki/Tonne

Anyway, the volume of the space containing the gravel is:

V = (20.7 m)*(37.8 m)*(0.07 m) = 54.8 m^3

and the estimate for the mass is:

M = d*V = (1.6 Mg/m^3)*(54.8 m^3) = 88 Mg = 88 metric tons of gravel

I know you said you plan on doing this by yourself, but it might take fewer years to do it, if you can enlist a few friends to help you.

Like, there was this movie I never watched, but I remember the premise, was that a small village in Wales, built their mountain a few meters higher, and like, they did it over a weekend approximately, but the whole village had to help, with carrying buckets of earth and rocks.

https://en.wikipedia.org/wiki/The_Englishman_who_W...

It would be even more helpful, if you, or your friends, could rent a dump truck, because I think that is truly what the pros use... for a job that requires moving several tens of cubic meters of gravel.

In contrast, this idea to surround the whole thing with a length of 2 inch, PVC pipe... that sounds relatively easy, because the perimeter of this area is just, 68+124+68+124 = 384 feet, which is just 39, ten foot lengths of pipe, and approximately the same number of connectors, and all of those are easy enough for one person, man or woman, to carry into place and assemble, one piece at a time.

As a final note: Do not be tempted to substitute sand for gravel. The reason why is because if there are any cats in your neighborhood, your art project will appear to these felines, to be one giant litter box, and those animals will do disrespectful things to it.