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Square Manhole Box

8' x 8' x 8'

Soil Type EFP Maximum Depth (FT)
A 25 52'
B 45 31'
C 60 24'
C 80 19'

10' x 10' x 10'

Soil Type EFP Maximum Depth (FT)
A 25 55'
B 45 33'
C 60 26'
C 80 21'

4' x 8' x 8'

Soil Type EFP Maximum Depth (FT)
A 25 69'
B 45 39'
C 60 20'
C 80 23'

4' x 10' x 10'

Soil Type EFP Maximum Depth (FT)
A 25 60'
B 45 34'
C 60 26'
C 80 20'