Bowman provided a detailed topographic and utility as-built survey on approximately 41 acres, in three separate areas of Chambers Field, Hangar 167 at Naval Station Norfolk. Bowman performed a detail topographic, existing conditions and utility as-built survey at Hangar 167, Aprons VMM 774, and the area South of LP 212. The site survey included a field run topographic survey of ground elevations and existing physical improvements within the survey areas, as well as surface utility location and subsurface utilities location. The survey also included storm and sanitary sewer as-builts, a wet utility survey including adequate an upstream and downstream utility as-built for design of the new systems.