Downpipe sewage building ventilation ductwork, with parallel ventilation PVC
Drawing labels, details, and other text information extracted from the CAD file (Translated from Spanish):
with, mezzanine ceiling, with the same diameter that came down, yee with reduction, from sanitary ware level, yee with reduction, from sanitary ware level, roof finish, protection against insect animal access, waterproofing seal, asphaltic, compression sealer, arrives p.b., floor finish, of registration at the bottom of the drain. the drain is in the extension of the plug to the outside of the
