An exterior drainage assembly consists of a twenty-gauge galvanized iron downspout secured by eighteen-gauge straps spaced at six feet on center maximum as required and painted to match the downspout. A twenty-two-gauge galvanized iron overflow scupper shield is positioned above the roofline and painted to match the adjacent wall. The scupper measures eight inches high with two-inch clearances above and below.
1 AD3.1 2 AD3.1 18 GA. STRAPS @ 6' O.C. MAX AS REQUIRED, PAINTED TO MATCH D.S. 20 GA G.I. DOWNSPOUT PAINTED TO MATCH ADJACENT WALL DRAIN OPENING BEYOND, TYP 22 GA G.I.OVERFLOW SCUPPER SHIELD, PAINTED TO MATCH ADJACENT WALL ROOFLINE 2" 2" 8" 2"
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