• Codes
  • Features

    Features Overview

    Go to features
    Reference

    Reference.

    A reliable and up-to-date source of codes.
    Research

    Research.

    Rapidly and efficiently calculate project parameters.
    Collaboration

    Collaboration.

    Get everyone on the same page and streamline code research.
    Workflows
    Architects General Contractor Building Official & Plans Examiner Inspectors Owner Subcontractors Code Consultants
  • Pricing
  • Login
  • Sign Up
Sign Up
Login
  • Code Library
  • Features
  • Pricing
  • About
  • Careers
  • Help
  • Contact
  • Terms
  • Privacy
Sign Up
Upgrade to Premium
Code calculators: Code Calculators automatically generates a detailed list of requirements.
REFERENCE
Amendment Styling
Industry-leading search
Code diagrams
RESEARCH
Code calculators
Filter by topic
Code compare
Code sheet exports
COLLABORATION
Team projects
Bookmarks
Comments
START 2 WEEK FREE TRIAL
Have an account? Sign in
// CODE SNIPPET

809.5.1 Tread Dimension and Area

Section 3109 of the 2015 WSBC > 8 Permanent Inground Residential Swimming Pools > 809 Special Features > 809.5 Pool Stairs > 809.5.1 Tread Dimension and Area
JUMP TO FULL CODE CHAPTER
Treads shall have a minimum unobstructed horizontal depth of 10 inches (254 mm) and a minimum unobstructed surface area of 240 square inches (0.15 m2).

Related Code Sections


411.2.1 Public Swimming Pools, Tread Dimensions and Area
Treads shall be not less than 24 inches (607 mm) at the leading edge. Treads shall have an unobstructed surface area of not less than 240 square ...
Section 3109 of the 2015 WSBC > 4 Public Swimming Pools > 411 Special Features > 411.2 Pool Stairs > 411.2.1 Tread Dimensions and Area
809.5.1 Permanent Inground Residential Swimming Pools, Tread Dimension and Area
Treads shall have a minimum unobstructed horizontal depth of 10 inches (254 mm) and a minimum unobstructed surface area of 240 square inches (0.15 m ...
Section 3109 of the 2015 WSBC > 8 Permanent Inground Residential Swimming Pools > 809 Special Features > 809.5 Pool Stairs > 809.5.1 Tread Dimension and Area
1011.7.1 Means of Egress, Stairway Walking Surface
be placed so that the long dimension is perpendicular to the direction of travel. In Group F, H and S occupancies, other than areas of parking ...
2015 Washington State Fire Code > 10 Means of Egress > 1011 Stairways > 1011.7 Stairway Construction > 1011.7.1 Stairway Walking Surface
1011.7.1 Means of Egress, Stairway Walking Surface
shall be placed so that the long dimension is perpendicular to the direction of travel. In Group F, H and S occupancies, other than areas ...
2015 Washington State Building Code > 10 Means of Egress > 1011 Stairways > 1011.7 Stairway Construction > 1011.7.1 Stairway Walking Surface
1011.7.1 Means of Egress, Stairway Walking Surface
be placed so that the long dimension is perpendicular to the direction of travel. In Group F, H and S occupancies, other than areas of parking ...
2018 Washington State Building Code > 10 Means of Egress > 1011 Stairways > 1011.7 Stairway Construction > 1011.7.1 Stairway Walking Surface
Help Contact Us Privacy Terms
Code sheet exports
Code sheet exports
Generate a code sheet that integrates with your drawing set.
Shared projects
Shared projects
Projects provide a dedicated space to collaborate on code research.
Search
Search
Don't miss relevant code. Quickly locate sections across your jurisdiction.
Code diagrams
Code diagrams
Unpack the code through illustrations and descriptions.
Code Compare
Code Compare
Highlight differences between any two building codes.
Code Calculators
Code Calculators
Code calculators automatically generate a detailed list of requirements.
UpCodes Premium
Leverage the most sophisticated code compliance platform.
TRY FREE FOR TWO WEEKS VISIT PRICING
UpCodes Premium
Leverage the full code compliance platform.
START 2 WEEK FREE TRIAL LEARN MORE