Drainage Pipes

This layer shows location of drainage pipes within the Metropolitan Region and is provided for information only. A Pipe is defined as a link in the drainage network. It includes drainage pipes, open drains, culverts and subsoils etc. It can be owned by Main Roads WA or others.Data dictionary:FieldAliasTypeDescriptionPipe_No Pipe NoString“Road_No” & ”.“ & Unique Database Number e.g. H015.569Asset_OwnerAsset OwnerStringOwner of the asset e.g. Main RoadsRoad_NoRoad NoStringMRWA Road NumberAsset_StatusAsset statusStringFunctionality of asset (Operational or Non-operationalData_StatusData StatusStringField survey verification e.g. Verified / Asset Captured via Desktop onlyPipe_TypePipe TypeStringType of pipe (as per D-SPEC)LengthPipe LengthDoublePipe section length in metres  Diameter_WidthDiameter/WidthLongPipe Diameter or Width if a culvert or non-circular in mmUp_ILUpstream InvertDoubleUpstream end-of-pipe Invert Level in metres  Dn_ILDownstream InvertDoubleDownstream end-of-pipe Invert Level in metres  Mapping_CommentsMapping CommentsStringAny additional comments that relate to this pipe section including assumptionsConfidence_RatingConfidence RatingStringA confidence level assigned based on the source data used to digitise the featureDisclaimer:1. Please note that Main Roads WA drainage data is provided for information only and the data may be inaccurate, incomplete or out-of-date.  Please use as a reference only and verification is to be undertaken on site.2. Confidence Rating has been assigned to individual assets to provide an indication of the accuracy of the data.  However please note that this is only an estimated rating which should be used as a reference only.3. Asset Owner – Please note that Main Roads WA drainage data includes multiple organisations’ interface drainage and, as a result, the ‘Asset Owner’ attribute is only to be used as a reference only as it may be inaccurate and should not be referred to as the source of truth.4. Asset Types:a. Interfacing Structuresi. Note that the drainage data includes interface points between Main Roads WA drainage structures and structures owned by other asset owners.  However not all assets owned by other asset owners have been included.  Please seek clarification from the respective asset owners if required.b. Ghost Linki. Ghost link can be used to represent an interfacing drainage network not owned by Main Roads WA. These are commonly used to simplify complex networks located downstream on route to the ultimate stormwater outlet destination.Note that you are accessing this data pursuant to a Creative Commons (Attribution) Licence which has a disclaimer of warranties and limitation of liability. You accept that the data provided pursuant to the Licence is subject to changes.Pursuant to section 3 of the Licence you are provided with the following notice to be included when you Share the Licenced Material: “The Commissioner of Main Roads is the creator and owner of the data and Licenced Material, which is accessed pursuant to a Creative Commons (Attribution) Licence, which has a disclaimer of warranties and limitation of liability.”Creative Commons CC BY 4.0 https://creativecommons.org/licenses/by/4.0/