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// CODE SNIPPET

403.3.1.1.2.3.3 Uncorrected Outdoor Air Intake

Mechanical Code 2018 of Maryland > 4 Ventilation > 403 Mechanical Ventilation > 403.3 Outdoor Air and Local Exhaust Airflow Rates > 403.3.1 Other Buildings Intended to Be Occupied > 403.3.1.1 Outdoor Airflow Rate > 403.3.1.1.2 System Outdoor Airflow > 403.3.1.1.2.3 Multiple Zone Recirculating Systems > 403.3.1.1.2.3.3 Uncorrected Outdoor Air Intake
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The uncorrected outdoor air intake flow rate (Vou) shall be determined in accordance with Equation 4-6.

(Equation 4-6)

where:

D = Occupant diversity: the ratio of the system population to the sum of the zone populations, determined in accordance with Equation 4-7.

(Equation 4-7)

where:

Ps = System population: The total number of occupants in the area served by the system. For design purposes, Ps shall be the maximum number of occupants expected to be concurrently in all zones served by the system.

Related Code Sections


403.3.1.1.2.3.3 Ventilation, Uncorrected Outdoor Air Intake
The uncorrected outdoor air intake flow rate ( V ou ) shall be determined in accordance with Equation 4-6. (Equation 4-6) where: D ...
Mechanical Code 2018 of Maryland > 4 Ventilation > 403 Mechanical Ventilation > 403.3 Outdoor Air and Local Exhaust Airflow Rates > 403.3.1 Other Buildings Intended to Be Occupied > 403.3.1.1 Outdoor Airflow Rate > 403.3.1.1.2 System Outdoor Airflow > 403.3.1.1.2.3 Multiple Zone Recirculating Systems > 403.3.1.1.2.3.3 Uncorrected Outdoor Air Intake
Section 403 Ventilation, Mechanical Ventilation
The uncorrected outdoor air intake flow rate ( V ou ) shall be determined ...
Mechanical Code 2018 of Maryland > 4 Ventilation > 403 Mechanical Ventilation
R1006.2 Chimneys and Fireplaces, Exterior Air Intake
ventilated with outdoor air such as nonmechanically ventilated crawl or attic spaces. The exterior air intake shall not be located within the garage ...
Residential Code 2015 of Maryland > 10 Chimneys and Fireplaces > R1006 Exterior Air Supply > R1006.2 Exterior Air Intake
R1006.2 Chimneys and Fireplaces, Exterior Air Intake
ventilated with outdoor air such as nonmechanically ventilated crawl or attic spaces. The exterior air intake shall not be located within the garage ...
Residential Code 2018 of Maryland > 10 Chimneys and Fireplaces > R1006 Exterior Air Supply > R1006.2 Exterior Air Intake
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