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Asset Types

This page lists all the types of Asset in the Data Requirements Library, along with their subtypes.Click the links to explore.

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Aid to Navigation

Assets that are used to aid navigation in the marine and fluvial environment.

Created on 25-02-2020 | View history
Asset Sub TypeDescriptionSubtype CodeUNICLASS 2015Last Updated
BeaconAttached directly to the bed of the sea or a river and may be lighted or unlighted.ABPr_40_10_90_07Updated on 05-05-2020 | View history
BuoyFloats on the surface of the water and is anchored to the bed of the sea or river. It may be lighted or unlighted.AUPr_40_10_90_10Updated on 05-05-2020 | View history
DolphinIn the marine or fluvial environment, a dolphin provides a fixing point for signage / information or a mooring pointADEn_32_85_24Updated on 05-05-2020 | View history
SignageSignage in the marine and fluvial environment provides information to aid navigation.AGPr_40_10_90_56Updated on 05-05-2020 | View history
SignalProvides traffic control or fog warnings.ASPr_40_10_90_50Updated on 05-05-2020 | View history

Beach Structure

Assets used to protect the coast from erosion or provide access.

Created on 25-02-2020 | View history
Asset Sub TypeDescriptionSubtype CodeUNICLASS 2015Last Updated
BreakwaterProvides coastal erosion protection and may provide a secondary function as a quay.BBEn_32_85_10Updated on 05-05-2020 | View history
GroyneA linear structure extending from the shore into the water that provides coastal erosion protection on beaches.BGEn_32_85_35Updated on 05-05-2020 | View history
RampA means of access to the top of a beach.BRSL_32_50_06Updated on 05-05-2020 | View history
SlipwayA structure that allows access into the sea or other body of water from a beach or a quayside.BSSL_32_50_79Updated on 05-05-2020 | View history
StepsA means of access to a beach.BTSs_35_10_25Updated on 05-05-2020 | View history

Building

An asset that is used to provide shelter for equipment, storage or personnel

Created on 25-02-2020 | View history
Asset Sub TypeDescriptionSubtype CodeUNICLASS 2015Last Updated
Pump HouseA building that houses pumps and the facilities necessary to support their operationVPEn_90_90_68Updated on 05-05-2020 | View history

Channel

An asset that conveys water

Created on 25-02-2020 | View history
Asset Sub TypeDescriptionSubtype CodeUNICLASS 2015Last Updated
Complex CulvertA complex culvert is a covered channel to convey water below ground level, whose cross section is made of different materials (for example: masonry sides covered with a concrete soffit).CCEn_32_95_16Updated on 05-05-2020 | View history
Open ChannelA channel that is not culvertedCPEn_32_95_59Updated on 05-05-2020 | View history
Simple CulvertA simple culvert is a covered channel or large pipe to convey water below ground level, whose cross section is made of the same material throughout (for example: concrete pipe, concrete box section, brick arched).CSEn_32_95_80Updated on 05-05-2020 | View history

Channel Crossing

An asset that allows access across a channel

Created on 25-02-2020 | View history
Asset Sub TypeDescriptionSubtype CodeUNICLASS 2015Last Updated
BridgeA structure that allows road, rail, pedestrian or farm access over a channel. This also includes aqueducts.RBEn_80_94Updated on 05-05-2020 | View history
Utility ServicesA structure that allows a utility service to cross a channel. This can be either above or below the channel.RUTBCUpdated on 05-05-2020 | View history

Defence

An asset that provides flood defence or coastal protection functions. This includes both man-made and natural defences. Natural defences may include man-made elements to make them more effective or protect them from erosion.

Created on 25-02-2020 | View history
Asset Sub TypeDescriptionSubtype CodeUNICLASS 2015Last Updated
Barrier BeachBarrier beaches found extending from the coast can perform a flood defence and/or erosion protection function.DAEn_32_85_06Updated on 05-05-2020 | View history
BeachBeaches that are found along the coast can provide a flood defence and/or erosion protection function.DBSL_32_60_06Updated on 05-05-2020 | View history
Bridge AbutmentA bridge abutment that ties into flood defences to act as a defence.DGSs_20_50_10Updated on 05-05-2020 | View history
CliffCliffs that are found along the coast can perform a flood defence and/or erosion protection function.DCCo_32_65_15Updated on 05-05-2020 | View history
Demountable DefenceA temporary defence that is brought to, or stored on, site and erected when necessary to form a flood defence.DMSs_25_95_30Updated on 05-05-2020 | View history
DunesDunes that are found along the coast can provide a flood defence and/or erosion protection function.DDSL_32_60_76Updated on 05-05-2020 | View history
EmbankmentAn earthen structure used in the fluvial, tidal and coastal environments for flood defence and/or erosion protection. Also covers embankments used in dam structures.DEEn_32_85_45Updated on 02-06-2020 | View history
Flood GateA flood gate forms part of a flood defence, usually to provide access through the defences.DFSs_25_36_30_30Updated on 05-05-2020 | View history
High GroundCovers all other extents along water courses that are not defined as any other Defence Asset Type. It covers situations where the only defence is the ground itself.DHEn_32_85_35Updated on 05-05-2020 | View history
PromenadePromenades found along the coast can perform a flood defence and/or erosion protection function.DPEn_80_40_66Updated on 05-05-2020 | View history
QuayA quay has a primary function as a landing place for shipping, but it also provides a line of defence.DQEn_32_50_69Updated on 05-05-2020 | View history
WallA raised structure used in the fluvial, tidal and coastal environments for flood defence and/or erosion protection. Also covers walls used in dam structures.DWSs_20_60Updated on 02-06-2020 | View history

Instrument

An asset used to measure water level and flow

Created on 25-02-2020 | View history
Asset Sub TypeDescriptionSubtype CodeUNICLASS 2015Last Updated
Active Monitoring InstrumentActive monitoring instruments provide functions such as the sensing of water levels at a gauging stationNAUpdated on 05-05-2020 | View history
Passive Monitoring InstrumentPassive monitoring instruments provide functions such as a water level gaugeboard or maximum level recorder.NMUpdated on 05-05-2020 | View history

Land

An area of land that is involved in water management.

Created on 25-02-2020 | View history
Asset Sub TypeDescriptionSubtype CodeUNICLASS 2015Last Updated
MudflatsA natural part of the coastal environment that have an effect on water management. Mudflats are usually covered at high tide.LMSL_32_60_55Updated on 05-05-2020 | View history
Residual LandLand that may be used for any other purpose.LRUpdated on 09-04-2020 | View history
Salt MarshA natural part of the coastal environment that have an effect on water management. Salt marshes lie just above the usual high tide line, though may be covered by exceptionally high tides.LSCo_32_65_75Updated on 05-05-2020 | View history
WashlandAn area of land that is used for flood storage including reservoirs and lakes.LWSL_32_65_95Updated on 05-05-2020 | View history

Major Civils

Assets that are large structures, such as the Thames Barrier

Created on 25-02-2020 | View history
Asset Sub TypeDescriptionSubtype CodeUNICLASS 2015Last Updated
AbutmentA structure that supports the end of a major structure such as those at the Thames Barrier or other larger than usual structures.JASs_20_50_10Updated on 05-05-2020 | View history
Central PierA central pier in a major structure such as those at the Thames Barrier or other larger than usual structures.JCSs_20_50_20Updated on 05-05-2020 | View history

Site

A grouping together of individual assets that can be considered as parts of a single site with a high level purpose.

Created on 25-02-2020 | View history
Asset Sub TypeDescriptionSubtype CodeUNICLASS 2015Last Updated
Amenity SiteGrouping of assets located within a site for leisure and amenity purposes.IACo_40Updated on 05-05-2020 | View history
Control Structure SiteWhere the main purpose of the assets in the site is to alter the flow of water in the channel.ICCo_32_85_96Updated on 05-05-2020 | View history
Erosion ProtectionWhere the main purpose of the assets in the site is protect from coastal erosion.IECo_32_55_27Updated on 05-05-2020 | View history
General SiteGeneral grouping of assets that need to be considered as a single site.IGTBCUpdated on 05-05-2020 | View history
HarbourGrouping of assets located within harbour or port.IHCo_80_70_36Updated on 05-05-2020 | View history
Lock ComplexGrouping of assets located within a major lock site or a series of locks.ILCo_32_85_50Updated on 05-05-2020 | View history
Monitoring SiteWhere the main purpose of the assets in the site is to measure water level and flow.IMCo_32_85_97Updated on 05-05-2020 | View history
Pumping Station CompoundGrouping of assets located within the grounds of a pumping station.IPCo_32_85_98Updated on 05-05-2020 | View history
Reservoir SiteWhere the main purpose of the assets in the site is to store water.IRCo_32_85_70Updated on 05-05-2020 | View history
Tidal BarrierWhere the main purpose of the assets in the site is to provide protection from high tides.ITCo_32_85_88Updated on 05-05-2020 | View history

Structure

An asset used to control the flow of water

Created on 25-02-2020 | View history
Asset Sub TypeDescriptionSubtype CodeUNICLASS 2015Last Updated
Control GateA control gate can be adjusted to alter the flow of water in a channel. This includes penstocks, sluice gates, mitre gates, sector gates and radial gates.SGEn_32_85_15Updated on 05-05-2020 | View history
Draw Off TowerRemoves water from a reservoir and diverts it elsewhere.SDEn_32_85_25Updated on 05-05-2020 | View history
Fish PassFound at weirs and control gates to enable fish to get past these obstructionsSFSs_45_75_30_30Updated on 05-05-2020 | View history
HydrobrakeA fixed structure that controls the flow of water using a vortex.SHPr_60_45_30_93Updated on 05-05-2020 | View history
In Channel StoplogsControl the flow in a channel by means of adjustable barriers (stoplogs).SCSs_55_70_99_84Updated on 05-05-2020 | View history
Inspection ChamberA means of inspecting a structure.SNSs_50_30_06Updated on 05-05-2020 | View history
JettyA structure that projects into the water in fluvial and coastal environments.SJEn_32_50_44Updated on 05-05-2020 | View history
OutfallA small surface water drain that discharges into a watercourse or the sea. It can also include larger flapped outfalls where a small watercourse flows under a defence and thence into a larger watercourse or the sea.SUEn_32_85_59Updated on 05-05-2020 | View history
ScreenUsed to collect debris and/or prevent access to culverts, outfalls, channels etc.SSEn_32_85_23Updated on 05-05-2020 | View history
SpillwayAn overflow in a reservoir, flood storage area, or along defencesSPEn_32_85_82Updated on 05-05-2020 | View history
Stilling BasinA structure that reduces the water velocity before it passes further downstream.STEn_32_85_84Updated on 05-05-2020 | View history
WeirA weir crosses a channel to increase the upstream water level.SWEn_32_85_97Updated on 05-05-2020 | View history