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1844 Ventilation occ load chart .jpg Blair West — Metro Training Facility BLAIR, NEBRASKA OCTOBER 14, 2010 Air Balance Ventilation Schedule SYSTEM TOTAL SUPPLY TOTAL RETURN MINIMUM O.A. % OF POSITIVE PRESSURE NEGATIVE PRESSURE TOTAL RTU -1 2,000 CFM 2,000 CFM 400 CFM 25% 400 CFM RTU -2 2,500 CFM 2,500 CFM 450 CFM 18% 450 CFM EF -1 700 CFM BLDG 4,500 CFM 4,500 CFM 850 CFM 150 CFM TOTAL VENTILATION NOTES: MINIMUM OUTDOOR AIR REQUIREMENTS PER 2006 INTERNATIONAL MECH, CODE: CLASSROOMS 15 CFM / PERSON 36 PEOPLE 540 CFM LABORATORY 20 CFM / PERSON 12 PEOPLE 240 CFM CORRIDORS .10 CFM / S.F. 700 S.F. 70 CFM BLDG TOTAL 48 PEOPLE 850 CFM