Connection to water supply and drainage test connection to line of sprinklers in accordance with NFPA 1996 edition page 67
Drawing labels, details, and other text information extracted from the CAD file (Translated from Spanish):
The rods should not be smaller in., Spindle flange c.i., In. With soft metal seat arranged to drain the tubing into the pressure gauge valve, Indicator valve listed, Test connection to drain, floor, do not., date, Notes, Apr., Revisions, do not., date, Project name, Name of the plane, Measurements on site, Id project, drew by, scale, reviewed by, date, file name, do not. Plan, June, Vo. Bo., Indicated, owner, Design methods, Nfpa page