The Minimum Tread Width Required by Building Codes for a Nonresidential

question 31

Multiple Choice

The minimum tread width required by building codes for a nonresidential stair is

• A)11.5 in.
• B)12.5 in.
• C)13.0 in.
• D)12.0 in.
• E)11.0 in.

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Definitions:

Liverworts

Simple, non-vascular plants belonging to the division Marchantiophyta, found in moist, shady environments and playing roles in ecosystems as pioneer species.

Sago Palms

Tropical plants of the genus Cycas, known for their large compound leaves and the production of sago, a starch extracted from their trunks.

Tree Ferns

Ancient group of plants with large leaves and a trunk resembling a tree, thriving mostly in tropical and subtropical regions.

Cycads

Slow-growing, palm-like plants from the order Cycadales, known for their large compound leaves and production of cones.