1.
Determine the height of foundation wall from top of footing.
2. Determine
dimension from proposed finished grade to top of foundaton
wall.
3. Backfill base of casting with 1
ft of gravel and rest with dirt.
4. Refer
to types available and select size to assure top of PermEntry
stairwell will be 2" to 6" above finished grade.
Call
us for more Information.
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