Table 6.33 -- EDCS Attribute enumerant codes for attributes whose label begins with B
| Attribute label | Enumerant label | Definition | Related concepts | Code |
| BALEEN_WHALE_YEARLY_CATCH | A range indicating the yearly catch of Baleen whales. | |||
| NONE_CAUGHT | None caught. |   | 11 | |
| 1_TO_100 | 1 to 100. |   | 12 | |
| 101_TO_200 | 101 to 200. |   | 13 | |
| 201_TO_300 | 201 to 300. |   | 14 | |
| 301_TO_400 | 301 to 400. |   | 15 | |
| 401_TO_500 | 401 to 500. |   | 16 | |
| gt500 | > 500. |   | 17 | |
| BEACH_PORTION | The relative portion of a beach. | |||
| BACKSHORE |   | 11 | ||
| FORESHORE | That part of the shore or beach which lies between the low water mark and the coastline/shoreline; the same condition may exist in non-contiguous offshore locations. | EC FORESHORE | 12 | |
| NEARSHORE |   | 13 | ||
| BEACON_OR_BUOY_TYPE | The type of a buoy or beacon. | |||
| AERO_ANCHORAGE | Aeronautical anchorage. |   | 11 | |
| ANCHORAGE | Indicates an anchorage site. |   | 12 | |
| ARTICULATED_LIGHTS |   | 13 | ||
| BIFURCATION |   | 14 | ||
| CARDINAL |   | 15 | ||
| CARDINAL_EAST_MARK |   | 16 | ||
| CARDINAL_NORTH_MARK |   | 17 | ||
| CARDINAL_SOUTH_MARK |   | 18 | ||
| CARDINAL_WEST_MARK |   | 19 | ||
| CAUTION |   | 20 | ||
| COMPASS_ADJUSTMENT |   | 21 | ||
| CONTROL |   | 22 | ||
| DAN |   | 23 | ||
| DAYBEACON |   | 24 | ||
| DIVING | Indicates that diving may take place in the vicinity. |   | 25 | |
| DND_CANADA | Canadian Department of National Defence. |   | 26 | |
| EXPLOSIVES_ANCHORAGE |   | 27 | ||
| FAIRWAY |   | 28 | ||
| FISH_TRAP |   | 29 | ||
| FLOAT |   | 30 | ||
| FLOATING_BEACON |   | 31 | ||
| ILLUMINATED | Internally or externally illuminated. |   | 32 | |
| INFORMATION |   | 33 | ||
| INSTALLATION |   | 34 | ||
| ISOLATED_DANGER |   | 35 | ||
| JUNCTION |   | 36 | ||
| KEEP_OUT |   | 37 | ||
| LARGE_NAVIGATIONAL | A large buoy designed to take the place of a lightship where construction of an offshore light station is not feasible. |   | 38 | |
| LATERAL |   | 39 | ||
| LIGHT_FLOAT |   | 40 | ||
| MID_CHANNEL |   | 41 | ||
| MOORING |   | 42 | ||
| MOORING_WITH_TELEGRAPH |   | 43 | ||
| MOORING_WITH_TELEPHONE |   | 44 | ||
| OBSTRUCTION |   | 45 | ||
| ODAS | Ocean Data Acquisition System. |   | 46 | |
| OUTER_LANDFALL |   | 47 | ||
| PC_TO_PORT | Preferred channel to port. |   | 48 | |
| PC_TO_PORT_LATMARK | Preferred channel to port lateral mark. |   | 49 | |
| PC_TO_STARBOARD | Preferred channel to starboard. |   | 50 | |
| PC_TO_STARBOARD_LATMARK | Preferred channel to starboard lateral mark. |   | 51 | |
| PORT_FROM_SEAWARD | Port from seaward or according to direction of lateral buoyage. |   | 52 | |
| PORT_HAND_LATMARK | Port-hand lateral mark. |   | 53 | |
| PRACTICE_AREA |   | 54 | ||
| PRIVATE |   | 55 | ||
| QUARANTINE |   | 56 | ||
| SAFE_WATER |   | 57 | ||
| SPECIAL_PURPOSE |   | 58 | ||
| SPOIL_GROUND | Indicates the limit of a spoil ground (dredged material disposal site). |   | 59 | |
| STARBOARD_FROM_SEAWARD | Starboard from seaward or according to direction of lateral buoyage. |   | 60 | |
| STARBOARD_HAND_LATMARK | Starboard-hand lateral mark. |   | 61 | |
| SWIM | Indicates an expanse of water in which people may swim and therefore vessel movement may be restricted. |   | 62 | |
| TANKER |   | 63 | ||
| TELEGRAPH_CABLE |   | 64 | ||
| TROT |   | 65 | ||
| WARPING |   | 66 | ||
| WRECK |   | 67 | ||
| BEACON_SHAPE | The characteristic geometric form of a beacon. | |||
| ARTICULATED |   | 11 | ||
| BUOYANT |   | 12 | ||
| CAIRN |   | 13 | ||
| DAYMARK_BOARD_RECTANGLE |   | 14 | ||
| DAYMARK_BOARD_SQUARE |   | 15 | ||
| DAYMARK_BOARD_TRIANGLE |   | 16 | ||
| LATTICE |   | 17 | ||
| PILE |   | 18 | ||
| POLE | Stake or pole. |   | 19 | |
| TOWER |   | 20 | ||
| WITHY |   | 21 | ||
| BEACON_TYPE | The type of a beacon. | |||
| ANCHORAGE_MARK |   | 11 | ||
| ANCHORING_PROHIBITED_MARK | Indicates an anchoring prohibited site. |   | 12 | |
| ARTICULATED_LIGHTS |   | 13 | ||
| ARTIFICIAL_REEF_MARK |   | 14 | ||
| BARGE_MARK |   | 15 | ||
| BERTHING_PERMITTED_MARK |   | 16 | ||
| BERTHING_PROHIBITED_MARK |   | 17 | ||
| BUOYANT |   | 18 | ||
| CABLE_MARK |   | 19 | ||
| CAIRN |   | 20 | ||
| CARDINAL |   | 21 | ||
| CARDINAL_EAST_MARK |   | 22 | ||
| CARDINAL_NORTH_MARK |   | 23 | ||
| CARDINAL_SOUTH_MARK |   | 24 | ||
| CARDINAL_WEST_MARK |   | 25 | ||
| CAUTION |   | 26 | ||
| CHANNEL_EDGE_GRADIENT_MARK |   | 27 | ||
| CHANNEL_SEPARATION_MARK |   | 28 | ||
| CLEARING_MARK |   | 29 | ||
| CONTROL |   | 30 | ||
| CONTROL_MARK |   | 31 | ||
| DAYBEACON |   | 32 | ||
| DAYMARK_BOARD_ARTICULATED |   | 33 | ||
| DAYMARK_BOARD_RECTANGLE |   | 34 | ||
| DAYMARK_BOARD_TRIANGLE |   | 35 | ||
| DEGAUSSING_RANGE_MARK |   | 36 | ||
| DIVING | Indicates that diving may take place in the vicinity. |   | 37 | |
| ENTRY_PROHIBITED_MARK |   | 38 | ||
| FERRY_CROSSING_MARK |   | 39 | ||
| FIRING_DANGER_AREA_MARK |   | 40 | ||
| FLOATING |   | 41 | ||
| FOUL_GROUND_MARK |   | 42 | ||
| GENERAL_WARNING_MARK |   | 43 | ||
| GPS_MARK | Indicates a location at which a GPS position has been accurately determined. |   | 44 | |
| HELIPORT_MARK |   | 45 | ||
| INFORMATION |   | 46 | ||
| INSTALLATION |   | 47 | ||
| KEEP_OUT |   | 48 | ||
| LATERAL |   | 49 | ||
| LATTICE |   | 50 | ||
| LEADING_MARK |   | 51 | ||
| MARINE_FARM_MARK |   | 52 | ||
| MARKER_SHIP_MARK |   | 53 | ||
| MAX_VESSELS_DRAUGHT_MARK | Maximum vessels draught mark. |   | 54 | |
| MEASURED_DISTANCE_MARK |   | 55 | ||
| MOORING_MARK |   | 56 | ||
| NOTICE_MARK |   | 57 | ||
| ODAS | Ocean Data Acquisition System. |   | 58 | |
| OUTFALL_MARK |   | 59 | ||
| OVERHEAD_POWER_CABLE_MARK |   | 60 | ||
| OVERTAKING_PROHIBITED_MARK |   | 61 | ||
| PC_TO_PORT_LATMARK | Preferred channel to port lateral mark. |   | 62 | |
| PC_TO_STARBOARD_LATMARK | Preferred channel to starboard lateral mark. |   | 63 | |
| PILE |   | 64 | ||
| PIPELINE_MARK |   | 65 | ||
| PORT_HAND_LATMARK | Port-hand lateral mark. |   | 66 | |
| PRIVATE |   | 67 | ||
| RADAR_TRANSPONDER |   | 68 | ||
| RECORDING_MARK |   | 69 | ||
| RECREATION_ZONE_MARK |   | 70 | ||
| REDUCED_WAKE_MARK |   | 71 | ||
| REFUGE_MARK |   | 72 | ||
| RESTRICT_HORIZ_CLEAR_MARK | Restricted horizontal clearance mark. |   | 73 | |
| RESTRICT_VERT_CLEAR_MARK | Restricted vertical clearance mark. |   | 74 | |
| SEAPLANE_ANCHORAGE_MARK |   | 75 | ||
| SEAPLANE_LANDING_MARK |   | 76 | ||
| SOUND_SHIPS_SIREN_MARK |   | 77 | ||
| SPECIAL_PURPOSE |   | 78 | ||
| SPEED_LIMIT_MARK |   | 79 | ||
| SPOIL_GROUND_MARK |   | 80 | ||
| STAKE | A small marker used to identify maritime channels or to mark dangers such as rocks and shoals, e.g., a stake, pole, perch, or post. | EC STAKE | 81 | |
| STARBOARD_HAND_LATMARK | Starboard-hand lateral mark. |   | 82 | |
| STOP_MARK |   | 83 | ||
| STRONG_CURRENT_MARK | Strong current warning mark. |   | 84 | |
| SWIM | Indicates an expanse of water in which people may swim and therefore vessel movement may be restricted. |   | 85 | |
| TARGET_MARK |   | 86 | ||
| TELEPHONE_MARK |   | 87 | ||
| TOWER |   | 88 | ||
| TSS_MARK | Indicates a traffic separation scheme. |   | 89 | |
| TWO_WAY_PROHIBITED_MARK | Two-way traffic prohibited mark. |   | 90 | |
| WELLHEAD_MARK |   | 91 | ||
| WITHY |   | 92 | ||
| WORK_IN_PROGRESS_MARK |   | 93 | ||
| YACHTING_MARK |   | 94 | ||
| BEAUFORT_WIND_SCALE | The character of the winds according to the Beaufort Scale. | |||
| CALM | Beaufort Number 0 (calm): Wind less than 0,5 metres per second (1 knot), sea smooth and mirror like. Wave height of zero. On land smoke rises vertically. |   | 11 | |
| LIGHT_AIR | Beaufort Number 1(light air): Wind greater than 0,5 and up to 1,5 metres per second (between roughly 1 and 3 knots), scale like ripples without foam crests. Typical wave height of 7,5 centimetres (roughly 0,25 foot). On land smoke drifts but wind vanes do not move. |   | 12 | |
| LIGHT_BREEZE | Beaufort Number 2 (light breeze): Wind greater than 1,5 and up to 3,4 metres per second (between roughly 4 and 6 knots). Small, short wavelets; crests have a glassy appearance and do not break. Typical wave height of 15 centimetres (roughly 0,5 foot). On land wind vanes are affected and leaves rustle. |   | 13 | |
| GENTLE_BREEZE | Beaufort Number 3 (gentle breeze): Wind greater than 3,4 and up to 5,6 metres per second (between roughly 7 and 10 knots). Large wavelets; some crests begin to break; occasional white foam crests. Typical wave height of 0,3 metre (roughly 1 foot). On land leaves and small twigs are in constant motion. |   | 14 | |
| MODERATE_BREEZE | Beaufort Number 4 (moderate breeze): Wind greater than 5,6 and up to 8,3 metres per second (between roughly 11 and 16 knots). Small waves, becoming longer; numerous whitecaps. Typical wave height of 1 metre (roughly 3 feet). On land small branches move and dust is raised. |   | 15 | |
| FRESH_BREEZE | Beaufort Number 5 (fresh breeze): Wind greater than 8,3 and up to 10,9 metres per second (between roughly 17 and 21 knots). Moderate waves, taking a more pronounced long form; many whitecaps; some spray. Typical wave height of 1,8 metres (roughly 6 feet). On land medium branches move and debris moves about. |   | 16 | |
| STRONG_BREEZE | Beaufort Number 6 (strong breeze): Wind greater than 10,9 and up to 14,1 metres per second (between roughly 22 and 27 knots). Large waves begin to form; white foam crests are more extensive everywhere; there may be more spray. Typical wave height of 3,7 metres (roughly 12 feet). On land large branches are in motion, wires whistle, and wind can be heard in pines. |   | 17 | |
| NEAR_GALE | Beaufort Number 7 (near gale): Wind greater than 14,1 and up to 17,2 metres per second (between roughly 28 and 33 knots). Sea heaps up; white foam from breaking waves begins to be blown in streaks along the direction of the wind. Typical wave height of 4,6 metres (15 feet). On land entire trees are in motion, walking is difficult, and a roar can be heard in pines. |   | 18 | |
| GALE | Beaufort Number 8 (gale): Wind greater than 17,2 and up to 20,8 metres per second (between roughly 34 and 40 knots). Moderately high waves of greater length; edges of crests; foam is blown into well-marked streaks along the direction of the wind. Typical wave height of 6 metres (roughly 20 feet). On land twigs break off trees and lawn furniture rocks. |   | 19 | |
| STRONG_GALE | Beaufort Number 9 (strong gale): Wind greater than 20,8 and up to 24,4 metres per second (between roughly 41 and 47 knots). High waves; dense streaks of foam along direction of wind; crests of waves begin to roll over; spray may reduce visibility. Typical wave height of 9 metres (roughly 30 feet). On land large branches break, lawn furniture is moved, and cars are rocked. |   | 20 | |
| STORM | Beaufort Number 10 (storm): Wind greater than 24,4 and up to 28,4 metres per second (between roughly 48 and 55 knots). Very high waves with long overhanging crests; foam in great patches is blown in dense white streaks along the direction of the wind; visibility is reduced. Typical wave height of 12 metres (roughly 40 feet). On land trees are uprooted, roof shingles are damaged and car motion is affected. |   | 21 | |
| VIOLENT_STORM | Beaufort Number 11 (violent storm): Wind greater than 28,4 and up to 32,4 metres per second (between roughly 56 and 63 knots). Exceptionally high waves; sea is completely covered with long, white patches of foam lying along the direction of the wind; visibility reduced. Typical wave height of 15 metres (roughly 50 feet). On land buildings suffer structural damage, lawn furniture becomes airborne, and driving becomes difficult. |   | 22 | |
| HURRICANE | Beaufort Number 12 (hurricane): Wind greater than 32.4 metres per second (64 knots). Air is filled with foam and spray; sea completely white with driving spray; visibility very much reduced. Waves 18,3 metres (roughly 60 feet) and greater. On land buildings suffer widespread damage, power lines are downed and trees broken, and cars are blown off the road. |   | 23 | |
| BELOW_STATION_CLD_CVRG | The extent of coverage of a below station cloud layer. | |||
| lt1_OKTA | One OKTA or 1/10 or less but not zero. |   | 11 | |
| PARTIAL_OBSCURATION | Partial obscuration. |   | 11 | |
| 2_OKTA | Two OKTAs or 2/10 to 3/10, or few. |   | 12 | |
| SKY_OBSCURED | Sky obscured, or cloud amount can not be estimated. |   | 12 | |
| 3_OKTA | Three OKTAs or 4/10. |   | 13 | |
| 4_OKTA | Four OKTAs or 5/10, or scattered. |   | 14 | |
| 5_OKTA | Five OKTAs or 6/10. |   | 15 | |
| 6_OKTA | Six OKTAs or 7/10 to 8/10. |   | 16 | |
| 7_OKTA | Seven OKTAs or 9/10 or more but not 10/10, or broken. |   | 17 | |
| 8_OKTA | Eight OKTAs or 10/10, or overcast. |   | 18 | |
| NONE_PRESENT | No clouds present. |   | 19 | |
| BELOW_STATION_CLD_TOP_TYPE | The characteristics of the upper surface of a below station cloud layer. | |||
| CLOUD_NOT_VISIBLE | Cloud not visible owing to darkness, fog, dust storm, sand storm, or other analogous phenomena. |   | 13 | |
| CONTINUOUS_FLAT_TOPS | Continuous, flat tops. |   | 14 | |
| CONTINUOUS_TOWERING_TOPS | Continuous or almost continuous with towering clouds above the top of the layer. |   | 15 | |
| CONTINUOUS_UNDULATING_TOPS | Continuous cloud, undulation tops |   | 16 | |
| FRAGMENTED | Isolated cloud or fragments of clouds. |   | 17 | |
| LARGE_BREAKS_FLAT_TOPS | Broken cloud - large breaks, flattops. |   | 18 | |
| LARGE_BREAKS_UNDULATE_TOPS | Broken cloud - large breaks, undulating tops. |   | 19 | |
| MULTIPLE_LAYERS_AND_LEVELS | Two or more layers at different levels. |   | 20 | |
| SMALL_BREAKS_FLAT_TOPS | Broken cloud - small breaks, flattops. |   | 21 | |
| SMALL_BREAKS_UNDULATE_TOPS | Broken cloud - small breaks, undulating tops. |   | 22 | |
| WAVE_GROUPS_WITH_TOWERING | Groups of waves with towering clouds above the top of the layer. |   | 23 | |
| BELOW_STATION_CLD_TYPE | The type of clouds that comprise a below-station cloud layer. | |||
| ALTOCUMULUS | Altocumulus. |   | 11 | |
| ALTOSTRATUS | Altostratus. |   | 12 | |
| CIRROCUMULUS | Cirrocumulus alone, or cirro-cumulus predominant among the high clouds. |   | 13 | |
| CIRROSTRATUS | Cirrostratus. |   | 14 | |
| CIRRUS | Cirrus. |   | 15 | |
| CUMULONIMBUS | Cumulonimbus. |   | 16 | |
| CUMULUS | Cumulus. |   | 17 | |
| NIMBOSTRATUS | Nimbostratus. |   | 18 | |
| NO_CLOUDS |   | 19 | ||
| NO_CLOUDS_OR_NOT_VISIBLE | No clouds or not visible. May be further delineated specifically as EE NO_CLOUDS and EE NOT_VISIBLE. |   | 20 | |
| NOT_VISIBLE |   | 21 | ||
| STRATOCUMULUS | Stratocumulus. |   | 22 | |
| STRATUS | Stratus. |   | 23 | |
| BERM_TYPE | The type of engineered berm. | |||
| EARTHEN_WALL | A vertical structure made of packed soil serving to separate two regions. |   | 11 | |
| BERTH_TYPE | The type of a decked berthing structure, based on configuration and structure. | |||
| PIER |   | 11 | ||
| QUAY |   | 12 | ||
| WHARF |   | 13 | ||
| BIOLOGIC_AGENT_TYPE | The type of a biologic substance that can kill, seriously injure, or incapacitate a person or animal through its physiological properties. | |||
| ABRIN | Abrin, a toxin. |   | 11 | |
| ACONITINE | Aconitine, a toxin. |   | 12 | |
| AFLA | Afla, a toxin. |   | 13 | |
| ALPGA_BUNGARO | Alpha-bungaro, a toxin. |   | 14 | |
| ANA | Ana (VFDF), a toxin. |   | 15 | |
| ANTHRAX | Bacillus anthracis, also known as anthrax, a bacterial toxin. |   | 16 | |
| B1A | A generic biological weapons agent, 1A |   | 17 | |
| B2A | A generic biological weapons agent, 2A |   | 18 | |
| B3A | A generic biological weapons agent, 3A. |   | 19 | |
| BATRACHO | Batracho, a toxin. |   | 20 | |
| BETA_BUNGARO | Beta-bungaro, a toxin. |   | 21 | |
| BOTULINUM_A | Botulinum A, a bacterial toxin. |   | 22 | |
| BOTULINUM_B | Botulinum B, a bacterial toxin. |   | 23 | |
| BOTULINUM_C | Botulinum C, a bacterial toxin. |   | 24 | |
| BOTULINUM_D | Botulinum D, a bacterial toxin. |   | 25 | |
| BOTULINUM_E | Botulinum E, a bacterial toxin. |   | 26 | |
| BREVE | Breve, also known as Red tide, a toxin. |   | 27 | |
| BRUCELLA | Bacilli brucella, also known as brucellosis, a bacterial toxin. |   | 28 | |
| BRUCELLA_ABORTUS | Brucella abortus, also known as brucellosis, a bacterial toxin. |   | 29 | |
| BRUCELLA_CANIS | Brucella canis, also known as brucellosis, a bacterial toxin. |   | 30 | |
| BRUCELLA_MELITENSIS | Brucella melitensis, also known as brucellosis, a bacterial toxin. |   | 31 | |
| BRUCELLA_NEOTOMAE | Brucella neotomae, also known as brucellosis, a bacterial toxin. |   | 32 | |
| BRUCELLA_OVIS | Brucella ovis, also known as brucellosis, a bacterial toxin. |   | 33 | |
| BRUCELLA_SUIS | Brucella suis, also known as brucellosis, a bacterial toxin. |   | 34 | |
| CHOLERA | Cholera, a toxin. |   | 35 | |
| CIGUA | Cigua, also known as maito, a toxin. |   | 36 | |
| COBRO | Cobro, a toxin. |   | 37 | |
| CONO | Cono, a toxin. |   | 38 | |
| CRO | Cro, a toxin. |   | 39 | |
| DEBROMOAPLYSIA | Debromoaplysla, a toxin. |   | 40 | |
| DIPTHERIA | Diphtheria, a toxin. |   | 41 | |
| ERABU | Erabu, a toxin. |   | 42 | |
| GRAYANO | Grayano, a toxin. |   | 43 | |
| HEAT_LABILE_ENTERO | Heat-liable entero, a toxin. |   | 44 | |
| HEAT_STABLE_ENTERO | Heat-stable entero, a toxin. |   | 45 | |
| MICROCYSTIN | Microcystin (FDF), a toxin. |   | 46 | |
| PALY | Paly, a toxin. |   | 47 | |
| RICIN | Glycoprotein, also known as ricin, a toxin. |   | 48 | |
| SAXI | Saxi, also known as shellfish poison, a toxin. |   | 49 | |
| SHIGELLA | Shigella dysenteriae, a toxin. |   | 50 | |
| STAPH_ENTERO_A | Staphylococcus entero A, a toxin. |   | 51 | |
| STAPH_ENTERO_B | Staphylococcus entero B, a toxin. |   | 52 | |
| STAPH_ENTERO_C | Staphylococcus entero C, a toxin. |   | 53 | |
| STAPH_ENTERO_D | Staphylococcus entero D, a toxin. |   | 54 | |
| STAPH_ENTERO_E | Staphylococcus entero E, a toxin. |   | 55 | |
| T-2 | Tricothecene mycotoxins, also known as T-2. |   | 56 | |
| TETANUS | Tetanus, a toxin. |   | 57 | |
| TETRODO | Tetrodo, a toxin. |   | 58 | |
| TRICHOTHECENT | Trichothecent, a toxin. |   | 59 | |
| TRICOTHECENE_MYCO | Tricothecene myco, also known as nivalenol, a toxin. |   | 60 | |
| VERATRIDINE | Veratridine, a toxin. |   | 61 | |
| BOT_RETURN_ALLEGIANCE | The military alignment of an object identified by a bottom return. | |||
| FRIEND | The identified object is of a nation friendly to the nationality of those originating the side scan sonar pulse. |   | 11 | |
| HOSTILE | The identified object is of a nation hostile to the nationality of those originating the side scan sonar pulse. |   | 12 | |
| NEUTRAL | The identified object is of a nation neutral (not aligned with allies or foes of) to the nationality of those originating the side scan sonar pulse. |   | 13 | |
| BOT_RETURN_OBSTACLE_STATUS | The status of a bottom return indicating obstacles. | |||
| CLASSIFIED |   | 11 | ||
| DETECTED |   | 12 | ||
| IDENTIFIED |   | 13 | ||
| BOT_RETURN_ROCK_STATUS | The status of a bottom return indicating a rock. | |||
| CLASSIFIED |   | 11 | ||
| DETECTED |   | 12 | ||
| IDENTIFIED |   | 13 | ||
| BOT_RETURN_SEABED_STATUS | The status of a bottom return indicating seabed installations. | |||
| CLASSIFIED |   | 11 | ||
| DETECTED |   | 12 | ||
| IDENTIFIED |   | 13 | ||
| BOT_RETURN_STATUS | The status of a bottom return. | |||
| CLASSIFIED |   | 11 | ||
| DETECTED |   | 12 | ||
| IDENTIFIED |   | 13 | ||
| BOT_RETURN_TYPE | The type of a bottom return. | |||
| IDENTITY |   | 11 | ||
| OBSTACLES |   | 12 | ||
| ROCK |   | 13 | ||
| SEABED_INSTALLATION |   | 14 | ||
| TRACK_NUMBER | Bottom-return track number. |   | 15 | |
| WRECK |   | 16 | ||
| BOT_RETURN_WRECK_STATUS | The status of a bottom return indicating a wreck. | |||
| CLASSIFIED |   | 11 | ||
| DETECTED |   | 12 | ||
| IDENTIFIED |   | 13 | ||
| BOTTOM_CONFIGURATION_TYPE | The type of configuration of underwater bottom topography. | |||
| BREAK_IN_SLOPE |   | 11 | ||
| DEPRESSION_FLAT_BOTTOM |   | 12 | ||
| DEPRESSION_SEDIMENT_FILLED |   | 13 | ||
| DEPRESSION_STEEP_SIDED |   | 14 | ||
| DEPRESSION_V_SHAPED |   | 15 | ||
| DOUBLE_BREAK_IN_SLOPE |   | 16 | ||
| ELEVATION_FLAT_TOPPED |   | 17 | ||
| ELEVATION_PEAKED |   | 18 | ||
| ELEVATION_ROUNDED |   | 19 | ||
| SCARP_PROBABLY_FAULTED |   | 20 | ||
| SLUMP_DEBRIS |   | 21 | ||
| SLUMPED_BLOCKS |   | 22 | ||
| STEP |   | 23 | ||
| TERRACE |   | 24 | ||
| BOTTOM_MATERIAL_TYPE | The predominant material composition of the bottom of a body of water. | |||
| BEDROCK | The solid, undisturbed rock underlying the soil or other unconsolidated surface material. |   | 11 | |
| CLAY_AND_SILT |   | 12 | ||
| CORAL |   | 13 | ||
| GRAVEL_AND_COBBLE |   | 14 | ||
| MIXED_QUALITIES |   | 15 | ||
| PAVED |   | 16 | ||
| PEAT |   | 17 | ||
| ROCKS_AND_BOULDERS |   | 18 | ||
| SAND |   | 19 | ||
| SAND_AND_GRAVEL |   | 20 | ||
| SAND_AND_MUD |   | 21 | ||
| SEAMOUNT |   | 22 | ||
| SILTY_SANDS |   | 23 | ||
| SLASH |   | 24 | ||
| BOUNDARY_STATUS | The status of a boundary. | |||
| DEFINITE | The boundary is recognized by the United Nations and internationally. |   | 11 | |
| IN_DISPUTE | The boundary is not agreed by the two states concerned. |   | 12 | |
| INDEFINITE | The boundary is agreed by the two states concerned, but has not been registered at the United Nations. |   | 13 | |
| NO_DEFINED_BOUNDARY | The boundary has not been defined by either of the two states concerned. |   | 14 | |
| NOT_REC_BY_DATA_PROVIDER | The boundary is not recognized by the data provider but may be agreed by the two states concerned or recognized by the United Nations. |   | 15 | |
| REC_BY_DATA_PROVIDER | The boundary is recognized by the data provider but may not be agreed by the two states concerned or recognized by the United Nations. |   | 16 | |
| BOUNDARY_TYPE | The type of a boundary. | |||
| ACCESS_ZONE | A boundary of the zone identified for access into another region or between regions. |   | 11 | |
| ADMINISTRATIVE | A boundary facilitating the management or control of an organization. |   | 12 | |
| ADMINISTRATIVE_AREA | A region controlled by an administrative authority. | EC ADMINISTRATIVE_REGION | 13 | |
| AIRSPACE | A boundary of a region within which some or all operating aircraft may be subjected to air traffic control. |   | 14 | |
| AIRSPACE_SECTOR | Boundary of a portion of military or civilian airspace clearly defined and designated for a particular purpose. |   | 15 | |
| ARMISTICE_LINE | A geographically defined line from which disputing or belligerent forces disengage and withdraw to their respective sides following a truce or cease fire agreement. Also called cease-fire line in some United Nations operations. |   | 16 | |
| CEASE_FIRE_LINE | A United Nations term for a geographically defined line from which disputing or belligerent forces disengage and withdraw to their respective sides following a truce or cease fire agreement. Also called armistice line in some uses. |   | 17 | |
| CITY | Boundary of a place in which there are many houses, shops, places of work, places of entertainment, places of worship, and which is bigger than a town - in some uses (e.g., Great Britain), a city is any town that has a cathedral. |   | 18 | |
| CITY_PARK | City park or recreational facility. |   | 19 | |
| CLAIM_LINE | A boundary of a region claimed by one party (nation), but not necessarily recognized as an official boundary by other parties (nations). |   | 20 | |
| CONTACT_ZONE | In land warfare, a boundary of a region on the terrain, easily identifiable, where two or more units are required to make contact. |   | 21 | |
| COUNTY | Boundary of a political division of the UK or Ireland, forming the largest unit of local government, or the largest political division of a state in the US. |   | 22 | |
| COUNTY_PARK | County park or recreational facility. |   | 23 | |
| DE_FACTO | A demarcation actually serving and practically recognized as a boundary, although not legally or officially established. |   | 24 | |
| DEMILITARIZED_ZONE | A boundary of a defined zone in which the stationing, or concentrating of military forces, or the retention or establishment of military installations of any description, is prohibited. |   | 25 | |
| DISPUTED | A boundary whose exact location is a point of argument or disagreement, esp. an official one between, two or more parties or, especially, bordering countries. |   | 26 | |
| FEDERAL_MISC_RESERVE | Miscellaneous federal reservation. |   | 27 | |
| FEDERAL_PARK | Federal park or recreational facility. |   | 28 | |
| HISTORICAL_LINE | A boundary line based on or concerned with events from or in history. |   | 29 | |
| HOLIDAY_AREA | A boundary of a location where people typically engage in recreational activities while on vacation, away from their homes. |   | 30 | |
| INDIGENOUS_PEOPLES_RESERVE | Indigenous peoples reservation. |   | 31 | |
| INTERNATIONAL_DATE_LINE | An arbitrary line approximately along the 180th meridian designated as the place where each calendar day begins. |   | 32 | |
| LOCAL_PARK | A tract of land set aside for public use, generally with few or no buildings and located within an urban region, which is maintained for recreational and ornamental purposes. | EC LOCAL_PARK | 33 | |
| MAP | A boundary as represented on a map. |   | 34 | |
| MARITIME_AREA | Boundary of a region in which certain activities or factors of significance to navigation and/or operation of maritime vessels apply. |   | 35 | |
| MARITIME_LIMIT | A line where, on either side, certain activities or factors of significance to navigation and/or operation of maritime vessels, apply. |   | 36 | |
| NATIONAL | A boundary of a nation |   | 37 | |
| REGULATED_LINE | A boundary established to regulate matters between nations or groups over a specific territory, e.g., a mandate or convention line | EC REGULATED_LINE | 38 | |
| RESTRICTED_AREA | A boundary of a region in which certain aspects of navigation are restricted. |   | 39 | |
| STATE | Boundary of a sovereign nation (e.g., state or lander) or a part of a large country with its own government, as in Germany, Australia or the US. |   | 40 | |
| STATE_MISC_RESERVE |   | 41 | ||
| STATE_PARK | State park or recreational facility. |   | 42 | |
| SWEPT_AREA | Boundary of a region which has been cleared of obstacles (including explosives) and is deemed suitable for operations by vessels, vehicles, or humans. |   | 43 | |
| TOWN | A concentration of dwellings, businesses, industry and other structures where people have settled, which is larger than a settlement and usually smaller than a city or urban region, and with a population of less than 25,000 inhabitants, e.g., a town or township. | EC TOWN | 44 | |
| TRAINING_AREA | Boundary of a site (and associated structures) which are reserved for the training of military, police, fire or rescue personnel. | EC TRAINING_SITE | 45 | |
| WATERSHED_DIVIDE | Boundary of a tract of high ground on either side of which streams flow down to separate rivers or seas. |   | 46 | |
| WEAPONS_RANGE | A site and structures designated for the purpose of discharging firearms or detonating munitions, e.g., a firing or gunnery range. | EC WEAPONS_RANGE | 47 | |
| ZONE_OF_OCCUPATION | Boundary of a region (zone) which has been formed through the forceful act or process of holding or taking possession. |   | 48 | |
| BRANCH_RAILROAD_TYPE | The type of a branch railroad. | |||
| ANY | Branch railway of unspecified use. |   | 11 | |
| PASSING | Branch railway for passing. |   | 12 | |
| SIDING | Short railway connected with the main rail line. |   | 13 | |
| SPUR |   | 14 | ||
| BRIDGE_COMPONENT_TYPE | The structural component associated with a bridge or bridge segment. | |||
| ABUTMENT | Support structure providing strength and stability where the bridge meets the shore. This structure anchors the cables of a suspension bridge. |   | 11 | |
| DECK | Surface of a bridge facilitating movement of personnel, supplies, or vehicles. |   | 12 | |
| GUARD_RAILS | Rail fitted along the sides of the bridge that is designed to keep objects from falling off the bridge. |   | 13 | |
| PIER | Support structure providing strength and stability, used at the junction of connecting spans of a bridge. |   | 14 | |
| RAMP | The part of a bridge (e.g., road, highway, or railroad) that connects the road to the bridge deck. |   | 15 | |
| BRIDGE_DESIGN | The structural design characteristics of a bridge or bridge segment. | |||
| ARCH | Consists of curved vertical supports in one of three general types: deck arch, through arch, or tied (or rib) arch. |   | 11 | |
| BAILEY | Steel bridge set assembled as panel bridges in single, double, or triple truss design. May used to repair partially destroyed bridge spans. |   | 12 | |
| CANTILEVER | Consists of beams or trusses that project from piers toward each other and, when joined directly or by a suspended connecting member, form a bridge deck span. |   | 13 | |
| DECK | Panel bridge constructed without girder supports. |   | 14 | |
| FLOATING | Spans constructed across pontoons or swimmer vehicles, which have been anchored for stability in water currents. |   | 15 | |
| GIRDER | Consists of beams or girders assembled as single spans or combined into multiple spans with intermediate supports. |   | 16 | |
| MEDIUM_GIRDER |   | 17 | ||
| MIL_M4T6 | A floating or fixed bridge using deck-back span construction, assembled from aluminum bridge sets which can be erected on trestles, piers, or floating pontoons, e.g., the US M4T6. |   | 18 | |
| TACTICAL | A floating or fixed bridge, assembled from aluminum single-lane bridge sets into single, double, or triple truss spans or rafts. |   | 19 | |
| MILITARY_ARMOUR_VEH_LAUNCHED | Designed to be transported, launched, and retrieved by a modified armoured vehicle. Conventional girder type structure, constructed of aluminum alloy, and limited in length (generally less than 18,3 metres (60 feet)). |   | 20 | |
| MILITARY_HEAVY_ASSAULT | Military heavy assault: A fixed bridge designed for rapid emplacement and capable of spanning short gaps such as washouts, ravines, or similar obstacles to traffic. |   | 21 | |
| MILITARY_PMP_SOVIET | Folding pontoon bridge manufactured in the former USSR. |   | 22 | |
| MILITARY_TMM_SOVIET | Truck mounted scissors bridge manufactured in the former USSR. |   | 23 | |
| MOBILE_ASSAULT |   | 24 | ||
| RIBBON | Truck-transported bridge set assembled as float bridge or rafts used with powered boats. |   | 25 | |
| SLAB | Efficient structure for shorter spans (up to 7,72 metres (25 feet)). Multi-span slab bridges are normally continuous over intermediate supports, with span lengths rarely exceeding 12,2 metres (40 feet). |   | 25 | |
| STRINGER_BEAM | Consists of steel stringers in standard rolled shapes in spans up to 27,43 metres (90 feet) and beams built up with welded steel plate in the 18,3 to 36,6 metre (60 to 120 foot) span range. |   | 27 | |
| SUSPENSION | Used for long spans whose support from below is impractical. High strength steels are most often used in suspension bridge cables. |   | 28 | |
| TRANSPORTER_FERRY | A bridge for carrying passengers and vehicles by means of a platform suspended from a trolley, e.g., a transporter or ferry bridge. |   | 29 | |
| TRUSS | The truss is a structural element composed of straight members joined at their ends to form a system of triangles with the same function as beams or girders; used in long spans from 45,7 to 304,8 metres (150 to 1000 feet) and above. |   | 30 | |
| BRIDGE_FUNCTION | The type of an object that is spanned by a bridge or bridge segment. | |||
| BUILDING | Crossing over a building. |   | 11 | |
| BUILT_UP_REGION | Crossing over a built-up or urbanized region. |   | 12 | |
| CULTURAL_OBSTACLE | Crossing over a manmade obstacle. |   | 13 | |
| HYDROGRAPHIC_OBSTACLE | Crossing over an unspecified water body. |   | 14 | |
| HYPSOGRAPHIC_OBSTACLE | Crossing over a site of unspecified rapid changes in elevation. |   | 15 | |
| MAN_MADE_WATERWAY | Crossing over a man-made waterway, e.g., canal or aqueduct. |   | 16 | |
| PATH | Crossing over a trail, pedestrian walk, or cart track. |   | 17 | |
| PHYSIOGRAPHIC_OBSTACLE | Crossing over an unspecified landform. |   | 18 | |
| RAILROAD | Crossing over a rail bed. |   | 19 | |
| RIVER | Crossing over a body of flowing water, e.g., a river or stream. |   | 20 | |
| ROAD | Crossing over a roadway. |   | 21 | |
| VEGETATION_OBSTACLE | Crossing over a vegetated tract of land. |   | 22 | |
| LAKE | Crossing over a lake or reservoir. |   | 23 | |
| BRIDGE_OPENING_TYPE | The type of movement by which a bridge span moves to allow passage of a vessel. | |||
| DRAW_OR_BASCULE | Bridge opens through operation of a draw or bascule span. |   | 11 | |
| LIFT | Bridge opens though a vertical lifting operation. |   | 12 | |
| RETRACTABLE | Bridge opens through movement away from the gap across the abutment along the travelled way. |   | 13 | |
| SWING | Bridge opens through movement about a pivot, to allow the passage of a vessel. |   | 14 | |
| BRIDGE_RELIABILITY | The reliability of bridge characteristics and load classification based upon data source. | |||
| ESTIMATED | A rough calculation based on an estimated value, or an approximate measurement of a value. |   | 11 | |
| KNOWN |   | 12 | ||
| BRIDGE_SPAN_TYPE | The type of a moveable bridge span. | |||
| ARC_CLOSED_SPAN | Closed spandrel arch. |   | 11 | |
| ARC_OPEN_SPAN | Open spandrel arch. |   | 12 | |
| CULVERT | Span over diagonal drainage. |   | 13 | |
| FLOATING | Anchored floating span over water, including pontoons. |   | 14 | |
| FRAME_STRUCTURE | Frame span general case. |   | 15 | |
| MOVEABLE_TRUSS | Truss bridge span which is moveable vertically or horizontally, including swing. |   | 16 | |
| PLATE_GIRDER | Plate girder span general case. |   | 17 | |
| PLATE_GIRDER_BASCULE | Plate girder bridge span which is moveable as a bascule. |   | 18 | |
| PLATE_GIRDER_DRAW | Plate girder bridge span which is moveable as a draw. |   | 19 | |
| PLATE_GIRDER_VERTICAL_LIFT | Plate girder bridge span which is moveable vertically. |   | 20 | |
| RETRACTABLE | Span which is movable back over abutment along roadway. |   | 21 | |
| SLAB | Slab bridge-general case. |   | 22 | |
| STRINGER_BEAM | Stringer beam bridge-general case. |   | 23 | |
| STRINGER_DRAW | Stringer bridge span which is moveable as a draw. |   | 24 | |
| STRINGER_VERTICAL_LIFT | Stringer bridge span which is moveable vertically. |   | 25 | |
| TRUSS | Truss bridge, general case. |   | 26 | |
| UNSPECIFIED_FIXED | Fixed span of unspecified type. |   | 27 | |
| VAULT_STRUCTURE | A bridge span featuring construction and support from an arch-shaped structure, usually built of masonry material. |   | 28 | |
| BRIDGE_STRUCTURE_TYPE | The type of structural design of a bridge. | |||
| ARCH_CLOSED_SPANDREL | Arch bridge where the space between the right and left curves of the arch is closed. |   | 11 | |
| ARCH_OPEN_SPANDREL | Arch bridge where the space between the right and left curves of the arch is open. |   | 12 | |
| ARCH_SUSPENSION | Suspension bridge with cables from arches. |   | 13 | |
| BASCULE | Bascule movable bridge. |   | 14 | |
| CABLE_STAYED | Bridge using cable backstays as anchorage. |   | 15 | |
| CANTILEVER | Consists of beams or trusses that project from piers toward each other and, when joined directly or by a suspended connecting member, form a bridge deck span. |   | 16 | |
| COVERED | Includes protection from the weather for travel surfaces. |   | 17 | |
| DECK | Deck bridge general case. |   | 18 | |
| DRAWBRIDGE | Drawbridge general case. |   | 19 | |
| FIXED | Fixed bridge general case. |   | 20 | |
| FLOATING | Floating (pontoon) bridge general case. |   | 21 | |
| FOOTBRIDGE | Footbridge general case. |   | 22 | |
| GIRDER | Girder bridge general case. |   | 23 | |
| LIFT | Vertically movable bridge general case. |   | 24 | |
| MOVEABLE_SURFACE | Moveable bridge surface general case. |   | 25 | |
| OPENING | Moveable bridge general case. |   | 26 | |
| RETRACTABLE | Retractable bridge general case. |   | 27 | |
| SLAB | Slab bridge general case. |   | 28 | |
| STRINGER_BEAM | Stringer beam bridge general case. |   | 29 | |
| SUSPENSION | Suspension bridge general case. |   | 30 | |
| SUSPENSION_BOW_STRING | Suspension bridge using cables and hangars. |   | 31 | |
| SUSPENSION_CABLE_STAYED | Suspension bridge using anchors and cable back stays. |   | 32 | |
| SWING | Swing bridge general case. |   | 33 | |
| TOWER_SUSPENSION | Suspension bridge with cables from towers. |   | 34 | |
| TRANSPORTER | A bridge for carrying passengers and vehicles by means of a platform suspended from a trolley, e.g., a ferry bridge. |   | 35 | |
| TRUSS | Truss bridge, general case. |   | 36 | |
| UNSPECIFIED_FIXED | Fixed bridge general case. |   | 37 | |
| BRUSH_DENSITY_RANGE | A range indicating the density of brush or undergrowth. | |||
| OPEN | <= 5%. |   | 11 | |
| SPARSE | > 5% and <= 15%. |   | 12 | |
| MEDIUM | > 15% and <= 50%. |   | 13 | |
| DENSE | > 50%. |   | 14 | |
| BUILDING_COMPONENT_TYPE | The type of a building component. | |||
| CHIMNEY | The part of a usually vertical structure through which smoke and gases escape from a fire or furnace that rises above a roof. | EC CHIMNEY | 11 | |
| CHIMNEY_OR_SMOKESTACK | A vertical structure containing a passage or flue for discharging smoke and gases of combustion. May be further delineated specifically as EE CHIMNEY or EE SMOKESTACK. | EC CHIMNEY_OR_SMOKESTACK | 12 | |
| DOOR | A movable barrier of wood or other material, consisting either of one piece, or of several pieces framed together, usually turning on hinges or sliding in a groove, and serving to close or open a passage into a building, room, or other enclosed space. |   | 13 | |
| DOORWAY | The opening or passage which a door serves to close or open; the space in a wall occupied by a door and its adjuncts; a portal. |   | 14 | |
| EXTERIOR_WALL | A vertical structure, often made of stone or brick, that encloses a structure or building. |   | 15 | |
| GABLE | The upper portion of the end wall of a building that is above the eave line of the roof. |   | 16 | |
| INTERIOR_WALL | A vertical structure, often made of wood, lath and plaster, that divides a structure or building into rooms. |   | 17 | |
| ROOF | The outside upper covering of a house or other building. |   | 18 | |
| SMOKESTACK | A large tall chimney or vertical pipe through which combustion vapours, gases, and smoke are discharged. | EC SMOKESTACK | 19 | |
| STAIRCASE | A series of steps or stairs reaching from one level to another. |   | 20 | |
| STEEPLE | A structure usually ending in a sharp point and which may be erected on a roof of a building. |   | 21 | |
| SUPERSTRUCTURE | A supplemental portion of a building that rises from the roof but is not considered to be part of the general roof line. |   | 22 | |
| WINDOW | An opening in a wall or side of a building, ship, or carriage, to admit light or air, or both, and to afford a view of what is outside or inside. |   | 23 | |
| BUILDING_CONSTRUCTION_TYPE | The type of construction techniques used when a given building is constructed. Basic techniques are mass (where the walls carry the load) and framed (where an internal frame caries the load, and walls simply protect the interior from the elements. | |||
| FRAME_FABRIC_TENSILE | Construction technique in which an internal frame bears the load of the roof, contents, and the structure itself. Exterior characteristics include stretched fabric supported by internal or external posts, most often for the roof, like a tent. |   | 11 | |
| FRAME_GEODESIC | Construction technique in which an internal frame bears the load of the roof, contents, and the structure itself. The frame is composed of light, straight elements, usually in tension, which form a dome or other curved shape. |   | 12 | |
| FRAME_STEEL_HVY_CLAD | Construction technique in which an internal frame bears the load of the roof, contents, and the structure itself. Although not load-bearing, outer walls can be up to 30 centimetres (approximately 1 foot) thick, composed of bricks or concrete blocks. |   | 13 | |
| FRAME_STEEL_ltCLAD | Construction technique in which an internal frame bears the load of the roof, contents, and the structure itself. The outer walls are thin, and the frame is often visible from outside, and there is usually has a high proportion of windows. |   | 14 | |
| FRAME_STEEL_ltCLAD_ METAL | Construction technique in which an internal steel or concrete frame bears the load of the roof, contents, and the structure itself. Outer walls consist of a high proportion of glass, are thin, and the frame is often visible from outside. Exterior siding consists of sheet metal. |   | 15 | |
| FRAME_STEEL_ltCLAD_BRICK | Construction technique in which an internal steel or concrete frame bears the load of the roof, contents, and the structure itself. Outer walls consist of a high proportion of glass, are thin, and the frame is often visible from outside. Exterior siding consists of brick veneer. |   | 16 | |
| FRAME_STEEL_ltCLAD_CONC_AGG | Construction technique in which an internal steel or concrete frame bears the load of the roof, contents, and the structure itself. Outer walls consist of a high proportion of glass, are thin, and the frame is often visible from outside. Exterior siding consists of concrete aggregate veneer. |   | 17 | |
| FRAME_STEEL_ltCLAD_GLASS | Construction technique in which an internal steel or concrete frame bears the load of the roof, contents, and the structure itself. Outer walls consist of a high proportion of glass, are thin, and the frame is often visible from outside. Exterior siding consists of glass. |   | 18 | |
| FRAME_STEEL_ltCLAD_PLASTIC | Construction technique in which an internal steel or concrete frame bears the load of the roof, contents, and the structure itself. Outer walls consist of a high proportion of glass, are thin, and the frame is often visible from outside. Exterior siding consists of plastic. |   | 19 | |
| FRAME_UNKNOWN | An undetermined type of framed construction. |   | 20 | |
| FRAME_WOOD_HALF_TIMBER | Construction technique in which an internal (heavy wood) frame bears the load of the roof, contents, and the structure itself. Supporting elements include beams and posts and a non-load-bearing in-fill. |   | 21 | |
| FRAME_WOOD_LT | Construction technique in which an internal frame composed of wooden small beams, bears the load of the roof, contents, and the structure itself. Structure also exhibits an exterior sheathing such as stucco or brick (also called "balloon" frame). |   | 22 | |
| FRAME_WOOD_ltBRICK | Construction technique in which an internal frame composed of wooden small beams, bears the load of the roof, contents, and the structure itself. An external sheathing composed of brick is incorporated into the structure. |   | 23 | |
| FRAME_WOOD_ltSTUCCO | Construction technique in which an internal frame composed of wooden small beams, bears the load of the roof, contents, and the structure itself. Frame is composed of wooden small beams. An external sheathing composed of stucco is incorporated into the structure. |   | 24 | |
| FRAME_WOOD_ltWOOD | Construction technique in which an internal frame composed of wooden small beams, bears the load of the roof, contents, and the structure itself. An external sheathing composed of wood is incorporated into the structure. |   | 25 | |
| MASS_ UNKNOWN | An undetermined type of mass construction. |   | 26 | |
| MASS_CONC | Construction technique in which the exterior concrete walls of the structure bear the load of the roof, contents, and the structure itself. |   | 27 | |
| MASS_CONC_BOX_WALL | Construction technique in which the exterior walls of the structure bear the load of the roof, contents, and the structure itself; and the structure is composed of an array of rectangular "cells", i.e. boxes. |   | 28 | |
| MASS_CONC_POURED_IN_PLACE | Construction technique in which the exterior poured concrete walls of the structure bear the load of the roof, contents, and the structure itself. |   | 29 | |
| MASS_CONC_TILT_UP | Construction technique in which the exterior walls of the structure bear the load of the roof, contents, and the structure itself. The walls are comprised of pre-fabricated concrete sheets which are assembled at the building site. |   | 30 | |
| MASS_UNIT_MASON | Construction technique in which the exterior large masonry block walls of the structure bear the load of the roof, contents, and the structure itself. This technique is often seen in castles, arches, and other ancient structures. |   | 31 | |
| MASS_UNIT_MASON_BRICK | Construction technique in which the exterior brick walls of the structure bear the load of the roof, contents, and the structure itself. |   | 32 | |
| MASS_UNIT_MASON_CONC_BLK | Construction technique in which the exterior concrete block walls of the structure bear the load of the roof, contents, and the structure itself. |   | 33 | |
| MASS_UNIT_MASON_CONC_BLK_BRI | Construction technique in which the exterior brick and concrete block walls of the structure bear the load of the roof, contents, and the structure itself. |   | 34 | |
| MASS_UNIT_MASON_STONE | Construction technique in which the exterior stoner masonry or rubble walls of the structure bear the load of the roof, contents, and the structure itself. |   | 35 | |
| MASS_UNIT_MASON_STONE_DRESS | Construction technique in which the exterior dressed stone block walls of the structure bear the load of the roof, contents, and the structure itself. |   | 36 | |
| MASS_UNIT_MASON_STONE_RUB | Construction technique in which the exterior stone rubble walls of the structure bear the load of the roof, contents, and the structure itself. |   | 37 | |
| BUILDING_FUNCTION | The type or purpose of a building. | |||
| ADMINISTRATION | A building devoted to the act or process of administration or management. | EC ADMINISTRATION_BUILDING | 11 | |
| AERATOR | A structure housing machinery for aerating liquids, typically potable water. | EC AERATOR | 12 | |
| AIRCRAFT_MAINTENANCE_SHOP | A building, usually located at an airport, used for keeping aircraft in a condition of good repair or efficiency. | EC AIRCRAFT_MAINTENANCE_SHOP | 13 | |
| AIRPORT_TERMINAL | A structure located at an airport or airfield used for disembarking or taking on passengers or cargo. | EC AIRPORT_TERMINAL | 14 | |
| AMBASSADORIAL_RESIDENCE | A building serving as the home of a diplomatic official of the highest rank appointed and accredited as representative in residence by one government or sovereign to another. | EC AMBASSADORIAL_RESIDENCE | 15 | |
| APARTMENT_HOUSE | A multi-residence building containing rental accommodations for hire on a long-term basis. | EC APARTMENT_HOUSE | 16 | |
| APARTMENT_OR_HOTEL | A building that includes multiple sets of rooms for living in, esp. where each set is located on one floor of the building. May be further delineated specifically as EE APARTMENT_HOUSE and EE HOTEL. |   | 17 | |
| ARMOURY | A building for storing arms and military equipment, especially one serving as headquarters for military reserve personnel | EC ARMOURY | 18 | |
| ASTRONOMICAL_STATION | A structure used for the scientific study of matter in outer space, especially the positions, dimensions, distribution, motion, composition, energy, and evolution of celestial bodies or phenomena. | EC ASTRONOMICAL_STATION | 19 | |
| AUDITORIUM | A large building for public meetings or performances. | EC AUDITORIUM | 20 | |
| AUTOMOBILE_PLANT | A building used for the purpose of manufacturing automobiles and/or trucks. | EC AUTOMOTIVE_PLANT | 21 | |
| AUTOMOTIVE_VEHICLE_STATION | A structure at, or in, which motor vehicles are refuelled, serviced, and sometimes repaired, e.g., a filling or gas station. | EC AUTOMOTIVE_VEHICLE_STATION | 22 | |
| BANK | A building housing an establishment for the deposit, custody, and issue of money, for making loans and discounts, and for making easier the exchange of funds by certificates, checks, or notes. | EC BANK | 23 | |
| BARN | A farm building used to store hay, grain, and farm implements, or to house farm animals. | EC BARN | 24 | |
| BARN_OR_SHED | A structure, generally large, used for sheltering livestock and/or storing farm products or machinery. May be further delineated specifically as EE BARN or EE SHED. | EC BARN_OR_SHED | 25 | |
| BARRACK | A building used to house military personnel, which is typically large, unadorned and intended for relatively temporary occupancy. | EC BARRACK | 26 | |
| BARRACK_OR_DORMITORY | A building containing beds and other facilities to support human residence, usually on a temporary basis and especially involving students (dormitory) or military personnel (barrack). May be further delineated specifically as EE BARRACK and EE DORMITORY. |   | 27 | |
| BATTERY | A building serving as an emplacement for one or more pieces of artillery. |   | 28 | |
| BIVOUAC |   | 29 | ||
| BLOCKHOUSE | A military fortification constructed of sturdy material, such as concrete, and designed with ports for defensive firing or observation. | EC BLOCKHOUSE | 30 | |
| BOATING_CLUB | The buildings, grounds, and docks of an organization that promotes and supports yachting, sailing and boating. | EC BOATING_CLUB | 31 | |
| BUS_STATION | A structure or stopping place along a bus route for taking on and letting off passengers, or for servicing. | EC BUS_STATION | 32 | |
| CAPITOL | A building in which a national or sub-national legislature meets. | EC CAPITOL_BUILDING | 33 | |
| CARPENTRY | A building in which wooden objects are made, finished, or repaired. | EC CARPENTRY_BUILDING | 34 | |
| CASTLE | A large fortified building or group of buildings with thick walls, usually dominating the surrounding country. | EC CASTLE | 35 | |
| CEMETERY | A building associated with a cemetery. | EC CEMETERY_BUILDING | 36 | |
| CHANCERY | A building serving as the office of a chancellor, typically serving as a court of public record or an office of archives. In Great Britain, one of the five divisions of the High Court of Justice. | EC CHANCERY | 37 | |
| CHURCH | A building for public, especially Christian, worship. | EC CHURCH | 38 | |
| CITY_HALL | A building housing the administrative offices of a municipal government. | EC CITY_HALL | 39 | |
| COLLEGIATE | A building of an institution offering special instruction in professional or technical subjects, which may also include facilities for research and the award of advanced degrees, e.g., a university or college. |   | 40 | |
| COMBINED_FIRE_AND_POLICE | A building which houses both fire equipment and fire-fighters, and serves as the headquarters of a unit of a police force, where those under arrest are first charged. | EC FIRE_AND_POLICE_STATION | 41 | |
| COMMERCE | A building used to conduct business activities. | EC COMMERCIAL_BUILDING | 42 | |
| COMMERCE_OR_RECREATION | Commercial or recreational. May be further delineated specifically as EE COMMERCE and EE RECREATION. |   | 43 | |
| COMMUNICATION | A building in which communication signals are processed or controlled, e.g., telephone switching stations, microwave repeater stations, satellite ground stations, cellular telephone equipment, and land-line repeater stations. | EC COMMUNICATION_BUILDING | 44 | |
| COMMUNITY_CENTRE | A single building used for recreational exercise and minor sports competitions, which typically serves a small town, community, or local region. | EC COMMUNITY_CENTRE | 45 | |
| CONSULATE | A building housing the residence or official premises of an official appointed by a government to reside in a foreign country, represent its commercial interests, and assist its citizens there. | EC CONSULATE | 46 | |
| COOLING | A building which includes the equipment and machinery necessary for the cooling of people or goods, including a cooling tower used to cool liquids. |   | 47 | |
| CORRECTIONAL_INSTITUTE | A building within which persons convicted or accused of crimes are confined; a penitentiary or a jail. | EC CORRECTIONAL_BUILDING | 48 | |
| COURTHOUSE | A building that houses the offices of a county government, especially including judicial courts. | EC COURTHOUSE | 49 | |
| CUSTOMS_HOUSE | A governmental building or office where customs duties are collected and shipments or vehicles are cleared for entering or leaving the country. | EC CUSTOMS_HOUSE | 50 | |
| DEPENDENTS_HOUSING |   | 51 | ||
| DEPENDENTS_OR_BIVOUAC | Dependents housing or bivouac site. May be further delineated specifically as EE DEPENDENTS_HOUSING and EE BIVOUAC. |   | 52 | |
| DEPOT_TERMINAL | A railroad or bus station, often with an attached warehouse or storehouse. | EC DEPOT_TERMINAL | 53 | |
| DIPLOMATIC | A building that houses or supports the activities of an ambassador. | EC DIPLOMATIC_BUILDING | 54 | |
| DORMITORY | A building used to house civilians (e.g., students, or employees), which is typically large, unadorned and intended for relatively temporary occupancy. | EC DORMITORY | 55 | |
| EMBASSY | A building housing the office of an ambassador or their staff. | EC EMBASSY | 56 | |
| FABRICATION_STRUCTURES | A building used for the purpose of manufacturing parts, which may be assembled on-site, or elsewhere, to make a completed product. | EC FABRICATION_BUILDING | 57 | |
| FACTORY | A building in which goods are manufactured. | EC FACTORY | 58 | |
| FARM | A building located on a farm and used to support agricultural production. | EC FARM_BUILDING | 59 | |
| FARM_BUILDING | A building located on a farm and used to support agricultural production. | EC FARM_BUILDING | 60 | |
| FILTRATION_PLANT | A building which houses equipment through which a liquid or gas is passed in order to separate the fluid from suspended particulate matter. | EC FILTRATION_BUILDING | 61 | |
| FIRE_STATION | A building which houses fire equipment and fire-fighters; also called a firehouse. | EC FIRE_STATION | 62 | |
| FIRING_RANGE | A building designated for the purpose of discharging or detonating firearms. | EC WEAPONS_RANGE | 63 | |
| FORT | A permanently fortified place or position that may be stationed with troops, generally walled or heavily fenced with overwatch positions. | EC FORT | 64 | |
| GARAGE | A building or indoor space used to park, or keep, motor vehicles. | EC PARKING_GARAGE | 65 | |
| GOVERNMENT | A building devoted to the act or process of administration of public policy in a political unit. | EC GOVERNMENT_BUILDING | 66 | |
| GOVERNMENT_ADMINISTRATION | A building facilitating the management or control of an organization serving as a body or agent of the government. |   | 67 | |
| GOVERNMENT_OR_INSTITUTION | A building for the activities of an organization serving as a body or agent of the government. May be further delineated specifically as EE GOVERNMENT and EE INSTITUTION. |   | 68 | |
| GREENHOUSE | A building, primarily of glass, in which temperature and humidity can be controlled for the cultivation or protection of plants. | EC GREENHOUSE | 69 | |
| GUARD_HOUSE | A building that accommodates a guard, which is sometimes used as a jail for the detention of military individuals guilty of minor offences or awaiting trial. | EC GUARD_HOUSE | 70 | |
| GUARD_ROOM | A small enclosed building accommodating a guard. | EC GUARD_ROOM | 71 | |
| GUARD_SHACK_OR_ROOM | A small enclosed building accommodating a guard. May be further delineated specifically as EE GUARD_HOUSE and GUARD_ROOM. | EC GUARD_ROOM | 72 | |
| GUARD_TOWER | An elevated enclosed building accommodating one or more guards. | EC GUARD_TOWER | 73 | |
| HANGAR | A building used for the storage of aircraft that are capable of atmospheric flight. | EC AIRCRAFT_HANGAR | 74 | |
| HARBOUR_MASTERS_OFFICE | A building including the offices of an officer charged with the duty of executing the regulations respecting the use of a harbour. | EC HEALTH_OFFICE | 75 | |
| HEALTH_OFFICE | A building used in the diagnosis and care of outpatients, e.g., a health office, or clinic. | EC HEALTH_OFFICE | 76 | |
| HOSPITAL | A building used to provide inpatient medical, surgical, or psychiatric care and treatment for the sick or the injured. | EC HOSPITAL_BUILDING | 77 | |
| HOSTEL | A building used to provide supervised, inexpensive lodging for travellers, especially young travellers. | EC HOSTEL | 78 | |
| HOTEL | A building used to provide lodging, and usually meals and other services, for travellers and other paying guests. | EC HOTEL | 79 | |
| HOUSE | A building serving as a dwelling for one or more persons, especially for a family. | EC HOUSE | 80 | |
| HOUSE_OF_WORSHIP | A building that provides shelter for religious ceremonies or worship. | EC WORSHIP_PLACE | 81 | |
| INDUSTRIAL | A building used for the manufacture of goods or the processing of materials. | EC INDUSTRIAL_BUILDING | 82 | |
| INSTITUTION | A building housing an established organization or foundation, especially one dedicated to education, public service, or culture; e.g., a place for the care of persons who are destitute, disabled, or mentally ill. | EC INSTITUTIONAL_FACILITY | 83 | |
| JAIL | A local detention facility where the criminally accused are initially taken to be processed, to await trial, and where short (usually less than one year) sentences for criminal misconduct can be served. | EC JAIL | 84 | |
| KENNEL | A building used for the breeding, training, or boarding of dogs. | EC KENNEL | 85 | |
| KILN | An oven for hardening, burning, or drying substances such as grain, meal, or clay, especially a brick-lined oven used to bake or fire ceramics. | EC KILN | 86 | |
| KILN_OR_OVEN | A structure used for hardening, burning, or heating substances such as grain, meal, clay, or wood. May be further delineated specifically as EE KILN or EE OVEN. | EC KILN_OR_OVEN | 87 | |
| LEGATION | A building housing a diplomatic mission in a foreign country ranking below an embassy. |   | 88 | |
| LIBRARY | A building in which literary and artistic materials, such as books, periodicals, newspapers, pamphlets, prints, records, and tapes, are kept for reading, reference, or lending. | EC LIBRARY | 89 | |
| LIGHTHOUSE | A distinctive structure exhibiting one or more lights designed to serve as an aid to navigation. | EC LIGHTHOUSE | 90 | |
| MARINE_POLICE | A building that serves a governmental department established to maintain order, enforce the law, and prevent and detect crime in a harbour or coastal region. | EC MARITIME_POLICE_STATION | 91 | |
| MARITIME_STATION | A building occupied by a governmental (maritime related) or harbour authority, providing specific services to vessels. |   | 92 | |
| MARKET | A building where goods are offered for sale. | EC MARKET | 93 | |
| MARTELLO_TOWER | A straight piece of timber or a hollow cylinder of wood or metal set up vertically, or nearly so. | EC MARTELLO_TOWER | 94 | |
| MEASURING_STATION | A building housing equipment and personnel that record different measures of environmental phenomena, such as rainfall amount. |   | 95 | |
| MEDICAL_CENTRE | A building devoted to medical research or the practice of medicine. | EC MEDICAL_CENTRE | 96 | |
| MILITARY_CIVIL |   | 97 | ||
| MILITARY_OPERATIONS | A building devoted to the act or process of managing military forces or overseeing the conduct of military operations. | EC MILITARY_OPERATIONS_BLDG | 98 | |
| MISSION | A building that houses persons sent to a foreign land by a religious organization, especially a Christian organization, to spread its faith or provide educational, medical, and other assistance. | EC MISSION | 99 | |
| MOBILE_HOME | A trailer used as a dwelling, and designed to be easily moved from site to site. | EC MOBILE_HOME | 100 | |
| MOTEL | A building used to provide lodging for motorists in rooms usually having direct access to an open parking lot, e.g., a motel, motor court or motor lodge. | EC MOTEL | 101 | |
| MULTI_UNIT_DWELLING | A building providing residence for multiple sets of occupants. | EC MULTI_UNIT_DWELLING | 102 | |
| MUNICIPAL_HALL | A building that contains the offices of the public officials of a local political unit. | EC MUNICIPAL_HALL | 103 | |
| MUSEUM | A building devoted to the acquisition, conservation, study, exhibition, and educational interpretation of objects having scientific, historical, or artistic value. | EC MUSEUM_BUILDING | 104 | |
| NEWSPAPER_PLANT | A building used in the printing, collating, storage, or distribution of a publication, usually issued daily or weekly, containing current news, editorials, feature articles, and usually advertising. | EC NEWSPAPER_PLANT | 105 | |
| NON_CHRISTIAN_WORSHIP | A building that provides shelter for non-Christian religious ceremonies or worship. | EC NON_CHRISTIAN_WORSHIP_PLACE | 106 | |
| OBSERVATION | A building where individuals can overwatch a site or activity. |   | 107 | |
| OBSERVATORY | A building designed and equipped for making observations of astronomical, meteorological, or other natural phenomena. | EC OBSERVATORY | 108 | |
| OPERA_HOUSE | A building which houses a theatre designed chiefly for the performance of operas. | EC OPERA_HOUSE | 109 | |
| OPERATING_STATION | A temporary or semi-permanent station for research, observation, or operational support. |   | 110 | |
| OUTBUILDING | A small building, separate from but located near, the main building; e.g., an outdoors latrine or outhouse. | EC OUTBUILDING | 111 | |
| OVEN | A chamber or enclosed compartment for heating, baking, or roasting food, as in a stove. | EC OVEN | 112 | |
| PALACE | A building now serving, or that has previously served, as the official residence of a royal personage or high dignitary in a religious establishment or government. | EC PALACE | 113 | |
| PAPER_MILL | A facility for processing wood, or other natural fibres, into flexible sheets or rolls of paper by deposit from an aqueous suspension, e.g., a paper or pulp mill. | EC PAPER_MILL | 114 | |
| PETROLEUM_FACILITY | A building involved in the production or distribution of petroleum (e.g., oil or natural gas) production. | EC PETROLEUM_BUILDING | 115 | |
| PILOT_LOOKOUT | A building serving as an watch facility for a maritime pilot, a specially qualified navigator with extensive local knowledge, used for conducting ships in harbours, bays, and other inshore waters. |   | 116 | |
| PILOT_OFFICE | A building serving as an administrative facility for a maritime pilot, a specially qualified navigator with extensive local knowledge, used for conducting ships in harbours, bays, and other inshore waters. |   | 117 | |
| POLICE_STATION | A building which serves as the headquarters of a unit of a police force, where those under arrest are first charged. | EC POLICE_STATION | 118 | |
| PORT_CONTROL | A building housing the authorized persons established at a port or port complex to coordinate arrangements for logistic support and harbour services to ships under naval control and to otherwise support the naval control of shipping organization. |   | 119 | |
| POST_OFFICE | A building where mail is received, sorted, and delivered, and where stamps and other postal materials are sold. | EC POST_OFFICE | 120 | |
| POWER_GENERATION | A building used for the generation of electric power. | EC POWER_GENERATION_BUILDING | 121 | |
| PRISON | A site and associated structures housing a correctional, detention, or penal facility. | EC PRISON | 122 | |
| PROCESSING | A site and associated structures used for changing or refining a particular material, e.g., processing or treatment. | EC PROCESSING_BUILDING | 123 | |
| PUBLIC_INN | A public lodging house serving food and drink to travellers. | EC PUBLIC_INN | 124 | |
| PUMPHOUSE | A structure housing pumps, i.e., machines or devices for raising, compressing, or transferring fluids. | EC PUMPHOUSE | 125 | |
| RAILROAD_SIGNAL_BOX | Automated equipment from which signals are sent to control the movements of railway trains; e.g., a signal box or tower. | EC RAILROAD_SIGNAL_BOX | 126 | |
| RAILROAD_SIGNALMAN_HOUSE | A manned structure located adjacent to a railroad that displays control information to passing trains; e.g. signalman house. | EC RAILROAD_SIGNALMAN_HOUSE | 127 | |
| RAILROAD_STATION | A building or stopping place along a rail route for taking on and letting off passengers, or for servicing. | EC RAILROAD_STATION | 128 | |
| RAILROAD_STRRPR | A building that is used for the servicing, repair and/or storage of rail cars and related railroad equipment. | EC RAILROAD_STRRPR_BUILDING | 129 | |
| RANGER_STATION | A building housing a warden employed to maintain and protect a forest or other natural site or region. | EC RANGER_STATION | 130 | |
| RECREATION |   | 131 | ||
| REDOUBT | A small, often hidden, building in which soldiers can hide themselves while they are fighting. |   | 132 | |
| REFORMATORY | A building used for the discipline, reformation, and training of young or first offenders. | EC REFORMATORY_BUILDING | 133 | |
| REFUGE_SHELTER | A temporary, permanent or semi-permanent shelter for use as protection in times of hardship or danger. |   | 134 | |
| REPAIR_FACILITY | A building used for restoring broken or damaged equipment or other goods to sound condition. | EC REPAIR_BUILDING | 135 | |
| RESCUE | A building housing personnel and equipment used to help (someone or something) out of a dangerous, harmful or unpleasant situation. |   | 136 | |
| RESEARCH_AND_DEV_LAB | A building supporting scientific experimentation or research, including scholarly investigation or inquiry, intended to ultimately result in commercial products. | EC R_AND_D_BUILDING | 137 | |
| RESIDENCE |   | 138 | ||
| RESIDENCE_OR_AGRICULTURE | May be further delineated specifically as EE RESIDENCE and EE FARM_BUILDING. |   | 139 | |
| RESTAURANT | A building or outdoors site where meals are served to the public. | EC RESTAURANT | 140 | |
| ROADSIDE_REST_HOUSE | An empty house for accommodation of travellers, located alongside of a road. |   | 141 | |
| ROUNDHOUSE | A circular building for repairing locomotives |   | 142 | |
| SANITARIUM | A site and associated buildings that house an institution for the treatment of chronic diseases or for medically supervised recuperation. | EC SANITARIUM | 143 | |
| SATELLITE_TRACKING_STATION | A structure with associated antennas used for tracking, control, or transmission/reception of signals from satellites. | EC SATELLITE_GROUND_STATION | 144 | |
| SAWMILL | A building where timber is processed into lumber. | EC SAWMILL | 145 | |
| SCHOOL | A building used for instruction. | EC SCHOOL_BUILDING | 146 | |
| SEMINARY | A site and associated buildings used as a school, especially a theological school for the training of priests, ministers, or rabbis. | EC SEMINARY | 147 | |
| SENIOR_CITIZENS_HOME | A residential building housing a group of elderly individuals. | EC SENIOR_CITIZENS_HOME | 148 | |
| SHED | A relatively small structure that is typically used for storage, usually characterized by one or more open sides, support pillars and a roof. | EC SHED | 149 | |
| SHIPYARD | A building supporting functions of building or repairing ships. |   | 150 | |
| SHOPPING_CENTRE | A group of stores, and often restaurants and other businesses, having a common parking lot. | EC SHOPPING_CENTRE | 151 | |
| SIGNAL_BOX_OR_HOUSE | An automated or manned structure located adjacent to a railroad which displays control information to passing trains. May be further delineated specifically as EE RAILROAD_SIGNAL_BOX or EE RAILROAD_SIGNALMAN_HOUSE. | EC SIGNAL_BOX_OR_HOUSE | 152 | |
| SPORTSPLEX | A large building with various connected rooms or a related group of buildings, with equipment, facilities, and sites for various sporting events. |   | 153 | |
| STEEL_MILL | A building for the production of fabricated structural steel products, e.g. girders and plates. |   | 154 | |
| TEL_SHELTER | A hardened structure designed for the military to house a transporter-erector-launcher and deploy missiles. |   | 155 | |
| TELEPHONE_EXCHANGE_MAIN | A structure housing a central system of switches and other equipment that establishes connections between individual telecommunication devices, e.g., telephones. | EC MAIN_TELECOM_EXCHANGE | 156 | |
| TELEPHONE_SWITCHING | A structure housing a local system of switches that establishes connections between individual telecommunication devices, e.g., telephones. | EC TELECOM_SWITCHING_STATION | 157 | |
| THEATER | A building, room, or outdoors structure used for the presentation of plays, films, or other dramatic performances. | EC THEATRE | 158 | |
| TOWN_HALL | A building that contains the offices of the public officials of a town and that houses the town council and courts. | EC TOWN_HALL | 159 | |
| TRADING_POST | A station or store in a sparsely settled locale that has been established by traders to barter supplies for local products. | EC TRADING_POST | 160 | |
| TRANSPORTATION | A building intended to facilitate the transportation of people or materials. | EC TRANSPORTATION_BUILDING | 161 | |
| VEGETABLE_OIL_MILL | A building which houses machinery that releases the oils of vegetable seeds by pressing or grinding. | EC VEGETABLE_OIL_MILL | 162 | |
| WAREHOUSE | A building in which goods or merchandise are stored. | EC WAREHOUSE | 163 | |
| WATER_DRIVEN_GRISTMILL | A structure equipped with water-driven machinery for grinding grain into flour or meal. | EC WATER_DRIVEN_GRISTMILL | 164 | |
| WATER_TOWER | An elevated container, and its supporting structure, used to hold water. | EC WATER_TOWER | 165 | |
| WEATHER_STATION | A structure where meteorological data are gathered, recorded, and released. | EC WEATHER_STATION | 166 | |
| WEIGH_SCALE_HIGHWAY | A platform used to determine the weight of vehicles, usually located alongside of a road. | EC VEHICLE_WEIGH_SCALE | 167 | |
| WIND_TUNNEL | A chamber through which air is forced at controlled velocities in order to study the effects of aerodynamic flow around airfoils, scale models, or other objects. | EC WIND_TUNNEL | 168 | |
| BUILT_UP_REGION_DENSITY | The relative density of a built up region. | |||
| SPARSE_TO_MODERATE | The concentration of buildings in this region is low; a large amount of open land remains. |   | 11 | |
| MODERATE | The concentration of buildings in this region is such that space remains for the construction more buildings; a significant amount of open land remains. |   | 12 | |
| DENSE | The concentration of buildings in this region is such that few places remain to construct more buildings, very little open land is available. |   | 13 | |
| BUOY_MOORING | The type of a buoy installation. | |||
| CATENARY_ANCHOR | Catenary anchor leg mooring calm. |   | 11 | |
| SINGLE | Single buoy mooring. |   | 12 | |
| BUOY_PATTERN | The colour breakdown of pattern of buoys, beacons, lights, other aids to navigation, and other objects of interest to a mariner. | |||
| BORDER_STRIPE | A band or stripe of colour that is displayed around the outer edge of the object, which may also form a border to an inner pattern or plain colour. |   | 11 | |
| CHECKERED |   | 12 | ||
| DIAGONAL_BANDS |   | 13 | ||
| HORIZ_BANDS | Horizontal bands. |   | 14 | |
| HORIZ_BANDS_TOP_TO_BOTTOM | Horizontal bands from top to bottom. |   | 15 | |
| SINGLE_COLOUR |   | 16 | ||
| SQUARED |   | 17 | ||
| STRIPES_DIRECTION_UNKNOWN | Straight bands or stripes of differing colours painted in an unknown direction. |   | 18 | |
| VERTICAL_STRIPES |   | 19 | ||
| BUOY_TYPE | The type of a buoy. | |||
| AERO_ANCHORAGE | Aeronautical anchorage. |   | 11 | |
| ANCHORAGE | Indicates an anchorage site. |   | 12 | |
| ANCHORING_PROHIBITED | Indicates an anchoring prohibited site. |   | 13 | |
| APEX_ARC |   | 14 | ||
| ARTICULATED_LIGHTS |   | 15 | ||
| BARGE | Of relevance to barges. |   | 16 | |
| BERTHING_PERMITTED | Indicates that berthing is allowed. |   | 17 | |
| BERTHING_PROHIBITED | Indicates that berthing is prohibited. |   | 18 | |
| BIFURCATION |   | 19 | ||
| CABLE | Indicates the position of submarine cables or the point at which they run on to the land. |   | 20 | |
| CARDINAL |   | 21 | ||
| CARDINAL_EAST_MARK |   | 22 | ||
| CARDINAL_NORTH_MARK |   | 23 | ||
| CARDINAL_SOUTH_MARK |   | 24 | ||
| CARDINAL_WEST_MARK |   | 25 | ||
| CAUTION |   | 26 | ||
| CHANNEL_EDGE_GRADIENT | Indicates the gradient of the slope of a dredge channel edge. |   | 27 | |
| CLEARING_MARK | Indicates a clearing line. |   | 28 | |
| COMPASS_ADJUSTMENT |   | 29 | ||
| CONTROL | Indicates the location at which a restriction or requirement exists. |   | 30 | |
| DAN |   | 31 | ||
| DAYBEACON |   | 32 | ||
| DEGAUSSING_RANGE | Indicates a degaussing range, an expanse of water, within which ships' magnetic fields may be measured; sensing instruments and cables are installed on the sea bed in the range and there are cables leading from the range to a control position ashore. |   | 33 | |
| DIVING | Indicates that diving may take place in the vicinity. |   | 34 | |
| DND_CANADA | Canadian Department of National Defence. |   | 35 | |
| EXPLOSIVES_ANCHORAGE |   | 36 | ||
| FAIRWAY |   | 37 | ||
| FERRY_CROSSING | Indicates that a ferry route crosses the ship route; often used with a sound ship's siren mark. |   | 38 | |
| FIRING_DANGER_MARK | Indicates a firing danger zone, usually at sea. |   | 39 | |
| FISH_TRAP |   | 40 | ||
| FLOAT |   | 41 | ||
| FLOAT_WITH_BEACON |   | 42 | ||
| FOUL_GROUND | Indicates a foul ground; a region of comparatively shallow water strewn with rocks, boulders, coral, wreckage, or other obstructions, making it unsuitable for anchoring, grounding, or ground fishing. |   | 43 | |
| GPS_MARK | Indicates a location at which a GPS position has been accurately determined. |   | 44 | |
| HELIPORT | Indicates a site where helicopters may land. |   | 45 | |
| ICE |   | 46 | ||
| ILLUMINATED | Internally or externally illuminated. |   | 47 | |
| INFORMATION |   | 48 | ||
| INSTALLATION |   | 49 | ||
| ISOLATED_DANGER |   | 50 | ||
| JUNCTION |   | 51 | ||
| KEEP_OUT |   | 52 | ||
| LARGE_NAVIGATIONAL | A large buoy designed to take the place of a lightship where construction of an offshore light station is not feasible. |   | 53 | |
| LATERAL |   | 54 | ||
| LEADING_MARK | So located as to indicate the path to be followed. Leading marks identify a leading line when they are in transit. |   | 55 | |
| LIGHT_FLOAT |   | 56 | ||
| MARKER_SHIP | Marks the position of a building that is used as a target during some military exercise. |   | 57 | |
| MAX_VESSELS_DRAFT | Indicates the maximum draught of vessel permitted. |   | 58 | |
| MEASURED_DISTANCE | Forms part of a transit indicating one end of a measured distance. |   | 59 | |
| MID_CHANNEL |   | 60 | ||
| MOORING | Indicates a mooring or moorings. |   | 61 | |
| MOORING_WITH_TELEGRAPH |   | 62 | ||
| MOORING_WITH_TELEPHONE |   | 63 | ||
| NAVIGATION_COMM_CONTROL | Navigation communication control. |   | 64 | |
| OBSTRUCTION |   | 65 | ||
| ODAS | Ocean Data Acquisition System. |   | 66 | |
| OUTER_LANDFALL |   | 67 | ||
| OUTFALL | Indicates the position of an outfall or the point at which it leaves the land. |   | 68 | |
| OVERHEAD_POWER_CABLE | Indicates an overhead power cable. |   | 69 | |
| OVERTAKING_PROHIBITED | Indicates that overtaking is prohibited. |   | 70 | |
| PC_TO_PORT | Preferred channel to port. |   | 71 | |
| PC_TO_PORT_LATMARK | Preferred channel to port lateral mark. |   | 72 | |
| PC_TO_STARBOARD | Preferred channel to starboard. |   | 73 | |
| PC_TO_STARBOARD_LATMARK | Preferred channel to starboard lateral mark. |   | 74 | |
| PIPELINE | Indicates the position of submarine pipelines or the point at which they run on to the land. |   | 75 | |
| PORT_FROM_SEAWARD | Port from seaward or according to direction of lateral buoyage. |   | 76 | |
| PORT_HAND_LATMARK | Port-hand lateral mark. |   | 77 | |
| PRACTICE | Practice site. |   | 78 | |
| PRIVATE | Privately maintained. |   | 79 | |
| QUARANTINE |   | 80 | ||
| RECORDING | Used to record data for scientific purposes. |   | 81 | |
| RECREATION_ZONE | Indicates a recreation zone. |   | 82 | |
| REDUCED_WAKE | Indicates that vessels must not generate excessive wake. |   | 83 | |
| REFUGE | Indicates a place of safety. |   | 84 | |
| RESTRICT_HORIZ_CLEAR | Indicates the minimum horizontal space available for passage. |   | 85 | |
| RESTRICT_VERT_CLEAR | Indicates the minimum vertical space available for passage. |   | 86 | |
| SAFE_WATER |   | 87 | ||
| SOUND_SHIPS_SIREN | Indicates that a ship should sound its siren or horn. |   | 88 | |
| SPECIAL_PURPOSE |   | 89 | ||
| SPEED_LIMIT | Indicates that a speed limit applies. |   | 90 | |
| SPOIL_GROUND | Indicates the limit of a spoil ground (dredged material disposal site). |   | 91 | |
| STARBOARD_FROM_SEAWARD | Starboard from seaward or according to direction of lateral buoyage. |   | 92 | |
| STARBOARD_HAND_LATMARK | Starboard-hand lateral mark. |   | 93 | |
| STOP | Indicates the place where the bow of a ship must stop when traffic lights show red. |   | 94 | |
| STRONG_CURRENT | Warns of strong currents. |   | 95 | |
| SWIM | Indicates an expanse of water in which people may swim and therefore vessel movement may be restricted. |   | 96 | |
| TANKER |   | 97 | ||
| TARGET | Any object toward which something is directed. |   | 98 | |
| TELEGRAPH_CABLE |   | 99 | ||
| TELEPHONE | Indicates the presence of a telephone. |   | 100 | |
| TROT |   | 101 | ||
| TSS_MARK | Indicates a traffic separation scheme. |   | 102 | |
| TWO_WAY_PROHIBITED | Indicates a one-way route; two way traffic is prohibited. |   | 103 | |
| WARPING |   | 104 | ||
| WAVE_METER |   | 105 | ||
| WAVERIDER |   | 106 | ||
| WORK_IN_PROGRESS | Indicates that work (generally construction) is in progress. |   | 107 | |
| WRECK |   | 108 | ||
| YACHTING | Installed for use by yachtsmen. |   | 109 | |
| BYPASS_CONDITION | The degree of ease or ability to circumvent a destroyed section of bridge, tunnel or pass within a 2 kilometre distance on each side of the object (ignoring the presence of other bridges). | |||
| EASY | Obstacle can be crossed within 2 km. of the object; no additional work required. |   | 11 | |
| DIFFICULT | Obstacle can be crossed within 2 km. of the object; additional work required. |   | 12 | |
| IMPOSSIBLE | Obstacle cannot be bypassed within 2 km. of the object. |   | 13 |