• 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

1104.3.2 Nonindustrial Occupancies

Mechanical Code 2018 of Maryland > 11 Refrigeration > 1104 System Application Requirements > 1104.3 Refrigerant Restrictions > 1104.3.2 Nonindustrial Occupancies
JUMP TO FULL CODE CHAPTER
Group A2 and B2 refrigerants shall not be used in high-probability systems where the quantity of refrigerant in any independent refrigerant circuit exceeds the amount shown in Table 1104.3.2. Group A3 and B3 refrigerants shall not be used except where approved.
Exception: This section does not apply to laboratories where the floor area per occupant is not less than 100 square feet (9.3 m2).
TABLE 1104.3.2
MAXIMUM PERMISSIBLE QUANTITIES OF REFRIGERANTS
TYPE OF REFRIGERATION SYSTEMMAXIMUM POUNDS FOR VARIOUS OCCUPANCIES
InstitutionalAssemblyResidentialAll other occupancies
Sealed absorption system
In exit access003.33.3
In adjacent outdoor locations002222
In other than exit access06.66.66.6
Unit systems
In other than exit access006.66.6
For SI: 1 pound = 0.454 kg.

Related Code Sections


1104.3.2 Refrigeration, Nonindustrial Occupancies
not apply to laboratories where the floor area per occupant is not less than 100 square feet (9.3 m 2 ). TABLE 1104.3.2 MAXIMUM PERMISSIBLE ...
Mechanical Code 2018 of Maryland > 11 Refrigeration > 1104 System Application Requirements > 1104.3 Refrigerant Restrictions > 1104.3.2 Nonindustrial Occupancies
10.3 General Safety Requirements, Occupancy
shall remain in use provided that the following conditions are met: The occupancy classification remains the same. No condition deemed ...
State of Maryland Fire Prevention Code > 10 General Safety Requirements > 10.3 Occupancy
29.4.1* Single- And Multiple-Station Alarms and Household Fire Alarm Systems, Occupants
The requirements of this chapter shall assume that occupants are not intimate with the ignition and are capable of self-rescue ...
National Fire Alarm and Signaling Code 2016 of Maryland > 29 Single- And Multiple-Station Alarms and Household Fire Alarm Systems > 29.4 Assumptions > 29.4.1* Occupants
3.3.192 Definitions, Occupancy
] An occupancy used to provide services or treatment simultaneously to four ...
State of Maryland Fire Prevention Code > 3 Definitions > 3.3 General Definitions > 3.3.192 Occupancy
3.3.196 Definitions, Occupancy
) An occupancy used to provide services or treatment simultaneously ...
Life Safety Code 2018 of Maryland > 3 Definitions > 3.3 General Definitions > 3.3.196 Occupancy
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.
Code Calculators
Code Calculators
Code calculators automatically generate a detailed list of requirements.
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.
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