The angle of a staircase, often measured in degrees from the horizontal, determines the steepness of the stairs. Common angles range from 30 to 50 degrees.
Parts of a Staircase A Comprehensive Guide to Staircase Components
Stair Design Considerations, stairs
Stair calculations: code requirements and best practices - Lapeyre Stair
Very different staircase. Good solution for a steep set of stairs., steep steps
STAIR - カーディガン/ボレロ
Guardrails vs. Handrails: Where Do You Need Them? - Fine Homebuilding
STAIR - カーディガン/ボレロ
What You Need to Know About Step Edge Markings – Ecoglo
IBC Stair Code Compliance - Lapeyre Stair
Code Compliance Section 1025 – Ecoglo
What is the importance of stair treads and risers? - Quora