Illinois Society of Architects · Chicago · leaf 253
ntilated by means of an ex-haust fan or fans of suflficient capacity tochange the air in the building every threeminutes and shall be kept in operation atall times during the use of such building.Such exhaust fan shall be located in an airconduit whose inlet openings shall be ator near the floor… … Douglas 944 F ugard & Knapp and Ralph C. Harris. Associated Architects220 East Walton Place McLennan Construction Company HUGH McLENNAN, President BuildingConstruction McLENNAN BUILDING 31st and Calumet Avenue CHICAGO 252 away from any other buikling or structure,and the discharge end of such…
Architecture · Building · Architects
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