Horizontal Control. Control shall be established along adjacent State Route and provide reference ties for control recovery. Horizontal control shall be constrained to the Missouri Department of Transportation Real-Time Network. Control shall be referenced to the North American Datum of 1983 (NAD83) (2011), Epoch 2010. Orthometric heights shall be referenced to the North American Vertical Datum of 1988 (NAVD88) using the current GEOID18 model. Control shall be referenced to the Missouri Coordinate System of 1983 in the west zone. Control point shall consist of 5/8” x 24” rebar with a 2” aluminum cap containing a defined datum point. 2D or 3D control point shall be placed a minimum 6 inches below the ground’s surface. If set in a cultivated field, the point shall be placed 12” below ground’s surface. Control shall be placed at the following locations and interval spacing:
Appears in 1 contract
Sources: Scope of Services Agreement
Horizontal Control. Control shall be established along adjacent State Route and provide reference ties for control recovery. • Horizontal control shall be constrained to the Missouri Department of Transportation Real-Time Network. • Control shall be referenced to the North American Datum of 1983 (NAD83) (2011), Epoch 2010. • Orthometric heights shall be referenced to the North American Vertical Datum of 1988 (NAVD88) using the current GEOID18 model. • Control shall be referenced to the Missouri Coordinate System of 1983 in the west zone. • Control point shall consist of 5/8” x 24” rebar with a 2” aluminum cap containing a defined datum point. • 2D or 3D control point points shall be placed a minimum 6 inches below the ground’s surface. If set in a cultivated field, field the point shall be placed 12” below ground’s surface. • Control shall be placed at the following locations and interval spacing:
Appears in 1 contract
Sources: Surveying Services Agreement