Phase II METRO Westside Extension (Purple Line)

WES used total station methods for 3 new subway stations to survey storm drain and sanitary sewer manholes within the proposed station excavation box and retrieval shaft limits. All the vaults within the proposed station excavation box limits and adjacent were surveyed and described with address stamping. WES monitored exploratory shafts at these 3 stations and surveyed any existing DIG alert markings to assist in the locating of existing utilities within the station excavation box limits. Survey of street culture, street furniture and other surface expressions within intersections including trees were collected for mapping inclusion. The Purple Line Subway portal was scanned for the Preliminary Engineering Plans.