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Dam (BI020)

DGIF baseline 2026-1, the latest. Earlier baselines: timemap.

RDF: bi020.ttl

Name

Dam

Kind

FeatureType

Definition

A barrier constructed to hold back water and raise its level to form a reservoir or to prevent flooding.

Synonyms

Weir

Accepted

2013-10-18

Geometry

point, curve, surface

Subtype of

ZI028 Feature Entity

Attributes

LDC Dam Crest Length — multiplicity 0..1; datatype MeasureMeta
DSD Dam Structural Design Type — multiplicity 0..1; datatype Dam_damStructuralDesignTypeMeta; values: DSD_101 Arch, DSD_102 Buttress, DSD_103 Gravity, DSD_104 Multi-Arch, DSD_105 Earthen Dam, DSD_106 Rock-fill dam, DSD_107 Asphalt-Concrete Core Dam, DSD_108 Embankment Dam, DSD_109 Cofferdam, DSD_110 Crib Dam, DSD_111 Weir, DSD_112 Beaver Dam
CAI Controlling Authority Identification — multiplicity 0..*; datatype CharacterStringMeta
CPT Colour Pattern — multiplicity 0..1; datatype Dam_colourPatternMeta; values: CPT_1 Horizontal Stripes, CPT_2 Vertical Stripes, CPT_3 Diagonal Stripes, CPT_4 Squared, CPT_5 Stripes, CPT_6 Border Stripe, CPT_7 Single Color
COA Conspicuous Air Category — multiplicity 0..1; datatype Dam_conspicuousAirCategoryMeta; values: COA_1 Visual and Radar, COA_2 Visual, COA_3 Radar, COA_4 Not Conspicuous
COG Conspicuous Ground Category — multiplicity 0..1; datatype Dam_conspicuousGroundCategoryMeta; values: COG_2 Visual, COG_4 Not Conspicuous
COC Conspicuous Sea Category — multiplicity 0..1; datatype Dam_conspicuousSeaCategoryMeta; values: COC_1 Visual and Radar, COC_2 Visual, COC_3 Radar, COC_4 Not Conspicuous
CAA Controlling Authority — multiplicity 0..1; datatype Dam_controllingAuthorityMeta; values: CAA_16 Civilian, CAA_17 Public, CAA_3 Private, CAA_5 Military, CAA_7 Joint Military and Civilian
WOC Dam Crest Width — multiplicity 0..1; datatype MeasureIntervalMeta
DFT Dam Face Type — multiplicity 0..1; datatype Dam_damFaceTypeMeta; values: DFT_1 Vertical, DFT_2 Slope
DFU Dam Function — multiplicity 0..*; datatype Dam_damFunctionMeta; values: DFU_1 Impoundment, DFU_2 Navigation, DFU_3 Flood Control, DFU_4 Hydroelectric Power Generation, DFU_6 Irrigation, DFU_7 Recreation, DFU_8 Water Supply
DIR Directivity — multiplicity 0..1; datatype Dam_directivityMeta; values: DIR_1 Unidirectional, DIR_2 Bidirectional, DIR_3 Omnidirectional, DIR_4 Right Unidirectional, DIR_5 Left Unidirectional
COS Facility Operational Status — multiplicity 0..1; datatype Dam_facilityOperationalStatusMeta; values: COS_13 Operational, COS_14 Partially Operational, COS_4 Non-operational, COS_6 Planned, COS_8 Not in Operation, COS_9 Temporarily Non-operational
HGT Height Above Surface Level — multiplicity 0..1; datatype HeightMeasureMeta
ZVH Highest Elevation — multiplicity 0..1; datatype ElevationMeasureMeta
IWO Inland Water Obstruction — multiplicity 0..1; datatype BooleanMeta
LPR Lock Present — multiplicity 0..1; datatype BooleanMeta
NMC Navigation Mark Colour — multiplicity 0..*; datatype Dam_navigationMarkColourMeta; values: NMC_1 White, NMC_10 Violet, NMC_11 Orange, NMC_12 Magenta, NMC_13 Pink, NMC_2 Black, NMC_3 Red, NMC_4 Green, NMC_5 Blue, NMC_6 Yellow, NMC_7 Grey, NMC_8 Brown, NMC_9 Amber
PCF Physical Condition — multiplicity 0..1; datatype Dam_physicalConditionMeta; values: PCF_1 Construction, PCF_2 Intact, PCF_3 Unmaintained, PCF_4 Damaged, PCF_5 Dismantled, PCF_6 Destroyed
RSI Radar Significance — multiplicity 0..1; datatype Dam_radarSignificanceMeta; values: RSI_1 Metal, RSI_2 Part Metal, RSI_3 Masonry, RSI_4 Composition, RSI_5 Earthen
HGS Spillway Height — multiplicity 0..1; datatype MeasureMeta
MCC Structural Material Type — multiplicity 0..*; datatype Dam_structMatTypeMeta; values: MCC_104 Soil, MCC_107 Steel, MCC_108 Stone, MCC_117 Wood, MCC_150 Treated Timber, MCC_20 Composition, MCC_21 Concrete, MCC_5 Asphalt, MCC_62 Masonry, MCC_64 Metal, MCC_77 Prestressed Concrete, MCC_83 Reinforced Concrete, MCC_84 Rock, MCC_86 Rubble, MCC_9 Brick
WD5 Width at Top — multiplicity 0..1; datatype MeasureIntervalMeta

Associations

DamAeronauticalObstacleInfo → ZI130 Aeronautical Obstacle Information (0..1)
DamAmenity → ZI116 Amenity (0..*)
DamCulturalProtectionInfo → HL111 Cultural Protection Info (0..*)
DamCulturalSignificanceInfo → HL110 Cultural Significance Info (0..*)
DamLandmarkInfo → LM010 Landmark Information (0..1)

RWOI terms naming it

RWO_00915 Dam
RWO_01309 Flood Control Dam
RWO_01655 Hydroelectric Power Generation Dam
RWO_02381 Navigation Dam
RWO_04112 Weir
RWO_04607 Arch Dam
RWO_04609 Beaver Dam
RWO_04610 Cofferdam
RWO_04611 Earthen Dam
RWO_04612 Embankment Dam
RWO_04613 Gravity Dam
RWO_04614 Rock-fill Dam
RWO_04615 Steel Dam
RWO_04617 Buttress Dam
RWO_04618 Multi-Arch Dam
RWO_04708 Low Head Dam
RWO_04709 Crib Dam
RWO_04710 Water Supply Dam
RWO_04711 Impoundment Dam
RWO_04713 Recreation Dam
RWO_05090 Coffer Dam

Mappings

osm#waterway=dam-line: BI020 closeMatch waterway=dam (line)
osm#waterway=dam-polygon: BI020 closeMatch waterway=dam (polygon)
osm#waterway=weir-line: BI020 closeMatch waterway=weir (line)
osm#waterway=weir-point: BI020 closeMatch waterway=weir (point)