• 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

[F] 427.2.1 One-Hour Exterior Room

Building Code 2021 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 427 Medical Gas Systems > 427.2 Interior Supply Location > 427.2.1 One-Hour Exterior Room
JUMP TO FULL CODE CHAPTER
CALCULATE P
P Premium Feature

This feature is included in premium subscriptions only. Click below to start a free trial.

Start Free Trial
CALCULATE
Calculate code sheet portions referencing this topic.
A 1-hour exterior room shall be a room or enclosure separated from the remainder of the building by fire barriers constructed in accordance with Section 707 or horizontal assemblies constructed in accordance with Section 711, or both, with a fire-resistance rating of not less than 1 hour. Openings between the room or enclosure and interior spaces shall be provided with self-closing smoke- and draft-control assemblies having a fire protection rating of not less than 1 hour. Rooms shall have not less than one exterior wall that is provided with not less than two vents. Each vent shall have a minimum free air opening of not less than 36 square inches (232 cm2) for each 1,000 cubic feet (28 m3) at normal temperature and pressure (NTP) of gas stored in the room and shall be not less than 72 square inches (465 cm2) in aggregate free opening area. One vent shall be within 6 inches (152 mm) of the floor and one shall be within 6 inches (152 mm) of the ceiling. Rooms shall be provided with not fewer than one automatic fire sprinkler to provide container cooling in case of fire.

Related Code Sections


427.2.1 Special Detailed Requirements Based on Occupancy and Use, One-Hour Exterior Room
A 1-hour exterior room shall be a room or enclosure separated from the remainder of the building by fire barriers constructed in accordance ...
Building Code 2021 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 427 Medical Gas Systems > 427.2 Interior Supply Location > 427.2.1 One-Hour Exterior Room
427.2.1 Special Detailed Requirements Based on Occupancy and Use, One-Hour Exterior Room
A 1-hour exterior room shall be a room or enclosure separated from the remainder of the building by fire barriers constructed in accordance ...
Building Code 2018 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 427 Medical Gas Systems > 427.2 Interior Supply Location > 427.2.1 One-Hour Exterior Room
427.2.2 Special Detailed Requirements Based on Occupancy and Use, One-Hour Interior Room
Where an exterior wall cannot be provided for the room, a 1-hour interior room or enclosure shall be provided and separated from the remainder ...
Building Code 2018 of Illinois > 4 Special Detailed Requirements Based on Occupancy and Use > 427 Medical Gas Systems > 427.2 Interior Supply Location > 427.2.2 One-Hour Interior Room
909.11.1 Fire Protection and Life Safety Systems, Equipment Room
directly to and from the exterior. The room shall be enclosed with not less than 1-hour fire barriers constructed in accordance with Section 707 ...
Building Code 2021 of Illinois > 9 Fire Protection and Life Safety Systems > 909 Smoke Control Systems > 909.11 Standby Power > 909.11.1 Equipment Room
909.11.1 Fire Protection and Life Safety Systems, Equipment Room
directly to and from the exterior. The room shall be enclosed with not less than 1-hour fire barriers constructed in accordance with Section 707 ...
Building Code 2018 of Illinois > 9 Fire Protection and Life Safety Systems > 909 Smoke Control Systems > 909.11 Standby Power > 909.11.1 Equipment Room
Help Contact Us Privacy Terms
Code diagrams
Code diagrams
Unpack the code through illustrations and descriptions.
Code Compare
Code Compare
Highlight differences between any two building codes.
Search
Search
Don't miss relevant code. Quickly locate sections across your jurisdiction.
Code sheet exports
Code sheet exports
Generate a code sheet that integrates with your drawing set.
Code Calculators
Code Calculators
Code calculators automatically generate a detailed list of requirements.
Shared projects
Shared projects
Projects provide a dedicated space to collaborate on code research.
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 PRICING