Table 6.24 -- EDCS Attributes whose label begins with U
| Label | Definition | Attribute value type | EQ label | Related concepts | Code |
| UNCOVERING_HEIGHT_INFO | The accuracy or availability of uncovering height information for an object. | ENUMERATION | 1229 | ||
| UNDERBRIDGE_CLEARANCE | The clearance below a bridge, measured from the lowest surface level to the base of the lower of either a cross beam or the lowest bridge deck. | REAL | LENGTH | 1230 | |
| UNDERLYING_MATCHAR | The characteristics of the underlying material composition of an object. | ENUMERATION | 1231 | ||
| UNDERLYING_MATERIAL_TYPE | The type of underlying material composition of an object. | ENUMERATION | EA PRI_MATERIAL_TYPE, EA SCND_MATERIAL_TYPE, EA SURFACE_MATERIAL_TYPE | 1232 | |
| UPSTREAM_HEIGHT | The height above water level on upstream side. | REAL | LENGTH | 1233 | |
| URBAN_BUILDING_LGTINT | The fraction of maximum intensity of urban building lighting. | REAL | PURE_NUMBER | 1234 | |
| URBAN_STREET_LGTINT | The fraction of maximum intensity of urban street lighting. | REAL | PURE_NUMBER | 1235 | |
| URBAN_STREET_PATTERN | The predominant geometric configuration of streets found within the delineated region of an object. | ENUMERATION | 1236 | ||
| URBAN_TERRAIN_ZONE_TYPE | The type of urban terrain zone, consisting of a class (e.g., attached, close-set, or open-set buildings) and a density level, e.g., core region, apartments/hotels, houses, industrial/storage, commercial ribbon, outer city, shopping centre, or administration/cultural. | ENUMERATION | 1237 | ||
| USABLE_LENGTH | The usable length of an object. | REAL | LENGTH | 1238 | |
| USABLE_WEATHER_TYPE | The weather conditions under which an object is usable. | ENUMERATION | 1239 | ||
| USAGE | The primary user, function, or controlling authority, of an object. | ENUMERATION | 1240 | ||
| UTM_GRID_EASTING | The full 6 digits of the UTM grid coordinate Easting value. (The UTM square designation along with the last five digits of both the UTM grid coordinate Easting value and the UTM grid coordinate Northing value uniquely designate an object's location on the Earth's surface.) | STRING | 1241 | ||
| UTM_GRID_NORTHING | The full 7 digits of the UTM grid coordinate Northing value. (The UTM square designation along with the last five digits of both the UTM grid coordinate Easting value and the UTM grid coordinate Northing value uniquely designate an object's location on the Earth's surface.) | STRING | 1242 | ||
| UTM_PRIMARY_GRID_ZONE | The two-character (primary) zone identifier within the Universal Transverse Mercator grid. | STRING | 1243 | ||
| UTM_SECONDARY_GRID_ZONE | The two-character (secondary) zone identifier within the UTM grid. | STRING | 1244 | ||
| UTM_SQUARE | The location of an object to within a specific 100 kilometre square, by a 5-digit alphanumeric designation: 1st two numbers designate the UTM grid zone, 3rd letter designates a specific 6 arc degree x 8 arc degree block within the grid zone (the unique Grid Zone Designation), and the last two letters designate the 100 kilometre square within that block. | STRING | 1245 |