ABBREVIATION AND ACRONYM

NOMENCLATURE		CIRCLE of RELATIVITY
D	Directional Movement Factor or Degree of Curve	Capacity Analysis
DDE	Drainage Ditch Excavation	Earthwork Computation
DENR	Department of Enviromental and Natural Resources	Project Correspondent
DHV	Design Hourly Volume	Capacity Analysis
DI	Drop Inlet	Hydraulic Plans
DMD	Double Meridian Distance	Survey Computations
DMV	Division of Motor Vehicles	Project Correspondents
DOD	(US) Department of Defense	GPS & Geodetic Survey
DOH	Division of Highways	Project Correspondents
DOT	Department of Transportion	Project Correspondents
DTCD	Drop Type Concrete Drive	Roadway Plans
DTM	Digital Terrain Modeling	Geodetic Survey
DWQ	Division of Water Quality	NCDENR

DEFINITION

degree of curve (D) ƒ9- The central angle subtended by 100 ft of arc. In railroad design, D is defined to be the central angle subtended by 100 ft of chord. see [ image ]ƒ9. dependent shape ƒ1- geopak superelevation shape to which its starting grade point elevations dependends solely on the proposed profile.Also see independent shape, geopak shape, offset, and tie. drainage ditch excavation - acronymn DDE ƒ1 1. The classification of earthwork excavation amount used to grade to the proposed ditch grade line. DDE is a contigency item in the earthwork balance sheet. ƒ7 2. [Excavation] to the line, grades, typical sections, and details [of drainage ditches] shown on the plans or established.