Project consisted of new 48" high cast in place concrete wall and new 18" high cast in place concrete curb wall and a new walkway and ramp for an existing secured building area. The project included grading, excavation, installation of all walls atop existing PCC (concrete deck). All backside of walls received waterproofing and drainage system as well as weep holes at bottom to reduce any future hydrostatic pressures that may affect wall integrity.