Illinois Administrative Code
Title 77 - PUBLIC HEALTH
Part 870 - MANUFACTURED HOME INSTALLATION CODE
Table A - Soil Pressure

Universal Citation: 77 IL Admin Code ยง A
Current through Register Vol. 48, No. 12, March 22, 2024

Soil Type

____________________

Allowable Pressure (lbs/sq. ft.)

________________________

Hard Pan or Rock

4,000 and up

Gravel or Sandy Gravel

2,000

Sandy or Silty Sand

1,500

Clay or Silty Clay

1,000

Peat or Uncompacted Fill

Special Analysis Required

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