A rectangular HVAC duct is supported by hanger straps positioned tight against the duct sides and fastened with self-tapping cadmium-plated hex head sheet metal screws. Pop rivets are explicitly disallowed by drawing notes. Hanger sizing conforms to SMACNA HVAC duct construction standards.
1" kl=mlm=ofsbqp=^iiltba TO BE TIGHT AGAINST DUCT. HEAD SHEET METAL SCREWS. STRAPS SELF TAPPING CADMIUM PLATED HEX HANGER STRAPS e^kdbo=pfwbp=clo=ob`q^kdri^o ar`q=mbo=pj^`k^=es^`=ar`q `lkpqor`qflk=pq^ka^oap
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