• 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
    Architects
    General Contractors
    General Contractors
    Building Official & Plans Examiners
    Building Official & Plans Examiners
    Inspectors
    Inspectors
    Owners
    Owners
    Subcontractors
    Subcontractors
    Code Consultants
    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

R311.7.1 Stairways; General

Minnesota Residential Code 2015 > 3 Building Planning > R311 Means of Egress > R311.7 Stairways > R311.7.1 Stairways; General
JUMP TO FULL CODE CHAPTER

R311.7.1.1 Stairways Serving Dwellings or Accessory Structures

All stairways serving a dwelling or accessory structure, or any part thereof, shall comply with this section. This shall include exterior stairs from a dwelling or garage to grade and those stairs serving decks, porches, balconies, sun rooms, and similar structures.
Exceptions:
  1. Stairs serving attics or crawl spaces.
  2. Stairs that only provide access to plumbing, mechanical, or electrical equipment.

R311.7.1.2 Width

Stairways shall not be less than 36 inches (914 mm) in clear width at all points above the permitted hand-rail height and below the required headroom height. Handrails shall not project more than 4.5 inches (114 mm) on either side of the stairway and the minimum clear width of the stairway at and below the handrail height, including treads and landings, shall not be less than 311/2 inches (787 mm) where a handrail is installed on one side and 27 inches (698 mm) where handrails are provided on both sides.
Exception: The width of spiral stairways shall be in accordance with Section R311.7.9.1.

Related Code Sections


R311.7.1 Building Planning, Stairways General
All stairways serving a dwelling or accessory structure, or any part thereof, shall comply with this section. This shall include exterior stairs from ...
2020 Minnesota Residential Code > 3 Building Planning > R311 Means of Egress > R311.7 Stairways > R311.7.1 Stairways General
R311.7.1 Building Planning, Stairways; General
All stairways serving a dwelling or accessory structure, or any part thereof, shall comply with this section. This shall include exterior stairs from ...
Minnesota Residential Code 2015 > 3 Building Planning > R311 Means of Egress > R311.7 Stairways > R311.7.1 Stairways; General
R311.7.1.1 Building Planning, Stairways Serving Dwellings or Accessory Structures
All stairways serving a dwelling or accessory structure, or any part thereof, shall comply with this section. This shall include exterior stairs from ...
2020 Minnesota Residential Code > 3 Building Planning > R311 Means of Egress > R311.7 Stairways > R311.7.1 Stairways General > R311.7.1.1 Stairways Serving Dwellings or Accessory Structures
504.1 General Site and Building Elements, General
Accessible stairs shall comply with Section 504 ...
2020 Minnesota Accessibility Code > 5 General Site and Building Elements > 504 Stairways > 504.1 General
504.1 General Site and Building Elements, General
Accessible stairs shall comply with Section 504 ...
Minnesota Accessibility Code 2015 > 5 General Site and Building Elements > 504 Stairways > 504.1 General
Help Contact Us Privacy Terms
Code Compare
Code Compare
Highlight differences between any two building codes.
Code diagrams
Code diagrams
Unpack the code through illustrations and descriptions.
Code Calculators
Code Calculators
Code calculators automatically generate a detailed list of requirements.
Code sheet exports
Code sheet exports
Generate a code sheet that integrates with your drawing set.
Search
Search
Don't miss relevant code. Quickly locate sections across your jurisdiction.
Shared projects
Shared projects
Projects provide a dedicated space to collaborate on code research.
UpCodes Premium
Leverage the most sophisticated code compliance platform.
VISIT PRICING
UpCodes Premium
Leverage the full code compliance platform.
START 2 WEEK FREE TRIAL PRICING