This single-volume set of three Standards establishes guidelines for design, installation, and operation and maintenance of urban subsurface drainage systems. ANSI/ASCE/EWRI 12-13 provides guidelines for the design of these systems and covers site analysis, system configuration, drain envelopes, hydraulics and hydrology, structural considerations, and materials. ANSI/ASCE/EWRI 13-13 focuses on installation and examines site investigation, installation...