excavation

[49studebaker]

I would like to build an underground greenhouse. Will the excavation in the attached diagram cave in?

 

[IRstuff]

Just some random lines on a page; what is what?

TTFN (ta ta for now)
I can do absolutely anything. I'm an expert!

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[Artisi]

IRstuff, is your crystal ball not working today

It is a capital mistake to theorise before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts. (Sherlock Holmes - A Scandal in Bohemia.)

 

[49studebaker]

The initial image was not oriented correctly.

 

[IRstuff]

Again, what is what? Did you really think we couldn't figure out a rotation?

Where is earth, where is glass, where is hole, what are the vertical/horizontal segments supposed to represent?



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[Findork]

Clays and gravels are different at different places/countries. Look your nearby road and pipeline excavations.Are the pipeline trenches over 8 feet deep without support? I think that 8 feet deep is stupid. Maybe 5 feet excavation and 2-3 feet high wood wall. Don't kill yourself.