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  #51  
Old 08-04-2008, 08:48 PM
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FIMCO-MEISTER FIMCO-MEISTER is offline
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Quote:
Originally Posted by Mike Leary View Post
"The pipe that blows is always on the bottom, never stack pipe".
LEARY's LAW.........

Last edited by FIMCO-MEISTER; 08-04-2008 at 08:49 PM. Reason: Forgot the 's, like Murphy's law.
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  #52  
Old 08-04-2008, 09:13 PM
GravelyNut GravelyNut is offline
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Quote:
Originally Posted by irrig8r View Post
Ooops I meant library. My spelling is not so good at 5:30 AM...

And give this USDA Soil Texture Triangle a look...

They left out a soil type. Solid rock.

Quote:
Originally Posted by HooKooDooKu
8" Wide ???

How many pipes were you laying in that trench?


Now I'm only a homeowner with the only experience I've got is installing my own irrigation system. I can tell you that I was able to dig at a rate of about 10' per hour when I only had to dig 12" deep, 4" wide. That time does not include removing the sod, laying pipe, or backfilling. It was in rocky clay soil, but the soil was moist (going was MUCH slower during the dry season).

In several places, I hand trenched. I was doing such a terible job at restoring sod that I just decided to hack it
What would you have to say about a 22" wide ditch for one 1 1/4" pipe? Cleveland Model 110 modified for S. Florida use digging at 100 ft per hour 24" deep and 22" wide.
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  #53  
Old 08-05-2008, 12:05 AM
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Waterit Waterit is offline
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Quote:
Originally Posted by GravelyNut View Post
They left out a soil type. Solid rock.


What would you have to say about a 22" wide ditch for one 1 1/4" pipe? Cleveland Model 110 modified for S. Florida use digging at 100 ft per hour 24" deep and 22" wide.
Sounds like a Tim Allen machine.

Limestone the rock you referring to?
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  #54  
Old 08-05-2008, 12:09 AM
Kiril Kiril is offline
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Quote:
Originally Posted by Mike Leary View Post
"The pipe that blows is always on the bottom, never stack pipe".
How true. If forced to "stack", at least separate the pipes with some scrap PVC whenever possible.
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  #55  
Old 08-05-2008, 12:11 AM
Kiril Kiril is offline
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Quote:
Originally Posted by GravelyNut View Post
They left out a soil type. Solid rock.
I assume your in jest, but if not, parent material is not a soil and therefore not included in the soil textural triangle.
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  #56  
Old 08-05-2008, 09:00 AM
GravelyNut GravelyNut is offline
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Quote:
Originally Posted by Kiril View Post
I assume your in jest, but if not, parent material is not a soil and therefore not included in the soil textural triangle.
To create soil here, you first must break up the rock. When you get it broken up, you have large rock, small rock, a little bit of clay, and a whole batch of calcium carbonate. The clay comes from pockets in the rock but overall amounts to less than 1% of the soil make up. Think about living on a coral atoll. That's what it is like here. Coral rock is 1/5th porus so it only takes a D-8 with carbide teeth on a plow 24" wide to break up the top 6".
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  #57  
Old 08-05-2008, 09:54 AM
Kiril Kiril is offline
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Quote:
Originally Posted by GravelyNut View Post
To create soil here, you first must break up the rock. When you get it broken up, you have large rock, small rock, a little bit of clay, and a whole batch of calcium carbonate. The clay comes from pockets in the rock but overall amounts to less than 1% of the soil make up. Think about living on a coral atoll. That's what it is like here. Coral rock is 1/5th porus so it only takes a D-8 with carbide teeth on a plow 24" wide to break up the top 6".
For your reference.

Keys to Soil Taxonomy, Tenth Edition (2006)

Last edited by Kiril; 08-05-2008 at 10:02 AM. Reason: Compost Does A Soil Good
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  #58  
Old 08-05-2008, 04:21 PM
HooKooDooKu HooKooDooKu is offline
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Quote:
Originally Posted by GravelyNut View Post
What would you have to say about a 22" wide ditch for one 1 1/4" pipe? Cleveland Model 110 modified for S. Florida use digging at 100 ft per hour 24" deep and 22" wide.
Now machine digging is a whole nother issue. When your digging 24" deep and moving at 100 ft per hour... your allowed a little leeway is the width of your trench.
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  #59  
Old 08-05-2008, 04:36 PM
HooKooDooKu HooKooDooKu is offline
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Quote:
Originally Posted by Mike Leary View Post
"The pipe that blows is always on the bottom, never stack pipe".
Yes, I'm taking a calculated risk. But as a home owner on a DIY job, digging was a major task (wanted to minimize that).

This was lateral lines, Sch 40 PVC, all joints carefully glued/welded, city water at 70 PSI, screened back-fill, 12" depth minimum in the deep south.

I figure the only way one of these pipes is going to break is extreme soil shift or root infiltration (so yes, I'm gambling that here were no major manufacture defects). I tried to line the trench with vinyl siding when ever the trench went near a tree (should at least keep root out of getting between pipes).
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  #60  
Old 08-05-2008, 08:51 PM
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Waterit Waterit is offline
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Quote:
Originally Posted by HooKooDooKu View Post
I tried to line the trench with vinyl siding when ever the trench went near a tree (should at least keep root out of getting between pipes).
And y'all talk bad about Florida irrigators?
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