The part of the foundation must extend below the frost depth in Wisconsin?
What is a footing?
Spiral staircases shall be at least.
What is 26 inches wide?
The minimum frost depth required for a footing in Wisconsin.
What is 48 inches?
The clearance between a handrail and the wall surface shall be?
What is 1 1/2 inches?
This foundation type uses a concreate slab poured directly on the ground with thickened edges?
What is slab on grade foundation?
The edge of the tread nearest to the wall behind the ladder shall be separated from the wall by at least
What is 7 inches?
Concreate footings must bear on this type of material?
What is undisturbed or properly compacted soil?
The landing at the base of an exterior stair shall be sloped away from the stair at a minimal rate that ensures _______?
What is drainage?
The minimum width and length of a column or pier footing shall measure.
What is 2 feet by 2 feet?
The topmost surface of a platform or fixture shall support a live load of _______?
What is 200 pounds?