MAMF_with 1-21 Revisions

Normative Appendix A ANSI/AARST MAMF-2017 with 1/21 Revisions A— Reporting Building Operating Conditions 10 Table A-3 Some Cities In This Climate Zone Note—Exact percentages will vary slightly depending upon location Atlanta, GA Charlotte, SC Montgomery, AL Birmingham, AL Jackson, MS Memphis, TN Little Rock, AR Oklahoma City, OK Dallas, TX San Antonio TX Austin, TX El Paso, TX Las Vegas, NV San Diego, CA Los Angeles, CA Fresno, CA San Francisco, CA n Warm Climate Zone 3 Includes portions of various states ranging from North Carolina to Southern California. This data is based on Atlanta, GA 24 Hour Averages For dwellings and other 24 hour occupancies Operating Condition Prevailing Annually Heating Conditions 58% Cooling Conditions 25% Mixed Conditions 16% Normal Operating Condition • Heating active Condition less likely to inhibit characterization of a radon hazard • Heating and air distribution systems active • No variance in outdoor air ventilation Daytime Averages For non-residential oocupancies Operating Condition Prevailing Annually School (prevailing across 9 months) Heating Conditions 42% 55% Cooling Conditions 33% 11% Mixed Conditions 25% 33% Normal Operating Condition • Heating active Condition less likely to inhibit characterization of a radon hazard • Heating and air distribution systems active • No variance in outdoor air ventilation

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