SECTION 221413 - FACILITY STORM DRAINAGE PIPING
Feb 13, 2019 · Storm Water Systems above ground in Garage Structures 2 inch and up; ASTM A53-97 Grade B, Schedule 40 Galvanized Steel Pipe 2 inch and up; Galvanized Drainage Fittings ASTM 53-97, ANSI B16.14-1991 All joints shall be Threaded: American Standard for Pipe Threads ANSI B2.1 Foundation Drainage Pipe (Tile) Rigid Perforated Polyvinyl Chloride Pipe ... ................
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