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Lock (BI030)

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

RDF: bi030.ttl

Name

Lock

Kind

FeatureType

Definition

An enclosure with a pair or series of gates used for raising or lowering vessels as they pass from one water level to another.

Accepted

2013-10-18

Geometry

point, curve, surface

Subtype of

ZI028 Feature Entity

Attributes

• COA Conspicuous Air Category — multiplicity 0..1; datatype Lock_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 Lock_conspicuousGroundCategoryMeta; values: COG_2 Visual, COG_4 Not Conspicuous
• CAI Controlling Authority Identification — multiplicity 0..*; datatype CharacterStringMeta
• COC Conspicuous Sea Category — multiplicity 0..1; datatype Lock_conspicuousSeaCategoryMeta; values: COC_1 Visual and Radar, COC_2 Visual, COC_3 Radar, COC_4 Not Conspicuous
• CAA Controlling Authority — multiplicity 0..1; datatype Lock_controllingAuthorityMeta; values: CAA_16 Civilian, CAA_17 Public, CAA_3 Private, CAA_5 Military, CAA_7 Joint Military and Civilian
• DZP Deepest Depth Below Surface Level — multiplicity 0..1; datatype MeasureMeta
• DIR Directivity — multiplicity 0..1; datatype Lock_directivityMeta; values: DIR_1 Unidirectional, DIR_2 Bidirectional, DIR_3 Omnidirectional
• COS Facility Operational Status — multiplicity 0..1; datatype Lock_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
• HDP Hydrographic Depth — multiplicity 0..1; datatype HydroVertDimMeta
• LDR Lock Drop — multiplicity 0..1; datatype MeasureMeta
• MAN Maritime Navigation Marked — multiplicity 0..1; datatype BooleanMeta
• MWD Maximum Design Water Depth — multiplicity 0..1; datatype MeasureMeta
• PCF Physical Condition — multiplicity 0..1; datatype Lock_physicalConditionMeta; values: PCF_1 Construction, PCF_2 Intact, PCF_3 Unmaintained, PCF_4 Damaged, PCF_5 Dismantled, PCF_6 Destroyed
• RPA Port Access — multiplicity 0..1; datatype BooleanMeta
• SHC Safe Horizontal Clearance — multiplicity 0..1; datatype MeasureMeta
• MCC Structural Material Type — multiplicity 0..*; datatype Lock_structMatTypeMeta; values: MCC_104 Soil, MCC_107 Steel, MCC_108 Stone, MCC_117 Wood, MCC_150 Treated Timber, MCC_21 Concrete, MCC_62 Masonry, MCC_64 Metal, MCC_77 Prestressed Concrete, MCC_83 Reinforced Concrete, MCC_9 Brick
• LNU Usable Length — multiplicity 0..1; datatype MeasureIntervalMeta
• WDU Usable Width — multiplicity 0..1; datatype MeasureIntervalMeta
• WD5 Width at Top — multiplicity 0..1; datatype MeasureIntervalMeta

Associations

• LockLandmarkInfo → LM010 Landmark Information (0..1)

RWOI terms naming it

• RWO_01997 Lock

Source: DGIF 2026-1 QEA model, DGIWG. Standard: DGIWG 206-3. Licence: CC BY 4.0, © DGIWG.