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Outside airflow rate is determined by the summation of the outside air required to dilute the off gassing of pool water chemicals plus the <br /> outside air required to provide fresh air for spectators. Listed below are ASHRAE(')outside air guidelines (formulas) used to calculate the <br /> outside airflow rate recommended in a poolroom. <br /> Pool & Deck Outside Airflow = Pool and Deck Area (ft) x 0.48 (cfm) <br /> (ft 2) <br /> Spectator/ Bleacher Outside Airflow = Spectator Area (ft) x 0.06 (cfm) + (#of People) x 7.5 (cfm) <br /> (ft 2) <br /> Based on the Pool Load Worksheet, you have entered in the"Pool and Deck Area", "Number of Spectators", and "Spectator Area" as <br /> follows: <br /> Pool & Deck Area: 1,339 ft or 124 ml <br /> Spectator/ Bleacher Area: 0 ft or 0 mz <br /> Number of Spectators: 0 <br /> Applying the above outside airflow formulas with the above areas and spectator values, the following outside airflow rates are determined: <br /> Pool & Deck Recommended Outside Air: 643 cfm or 1092.0 M3/hr <br /> Spectator Recommended Outside Air: 0 cfm or 0.0 M3/hr <br /> Total Recommended Outside Air: 643 cfm or 1092.0 M3/hr <br /> Definitions: <br /> Pool & Deck-the pool and deck is equal to the pool surface area plus the remaining floor area minus any <br /> bleacher/spectator area. <br /> Spectator Area-the area in which the spectators sit and observe the swimmers. <br /> Spectators -people that view the swimmers; does not include swimmers. <br /> ASHRAE Standard Ventilation for Acceptable Indoor Air Quality, ANSI/ASHRAE Standard 62.1-2004, Table 6.1 <br /> PDF created with pdfFactory trial version www.pdffactory.com <br />