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:
Field
Alias
Type
Description
Pipe_No
Pipe No
String
“Road_No” &
”.“ & Unique Database Number e.g. H015.569
Asset_Owner
Asset Owner
String
Owner of the
asset e.g. Main Roads
Road_No
Road No
String
MRWA Road
Number
Asset_Status
Asset status
String
Functionality
of asset (Operational or Non-operational
Data_Status
Data Status
String
Field survey
verification e.g. Verified / Asset Captured via Desktop only
Pipe_Type
Pipe Type
String
Type of pipe
(as per D-SPEC)
Length
Pipe Length
Double
Pipe section
length in metres
Diameter_Width
Diameter/Width
Long
Pipe Diameter
or Width if a culvert or non-circular in mm
Up_IL
Upstream Invert
Double
Upstream
end-of-pipe Invert Level in metres
Dn_IL
Downstream
Invert
Double
Downstream
end-of-pipe Invert Level in metres
Mapping_Comments
Mapping
Comments
String
Any additional
comments that relate to this pipe section including assumptions
Confidence_Rating
Confidence
Rating
String
A confidence
level assigned based on the source data used to digitise the feature
Disclaimer: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note that Main Roads WA drainage data is provided for information only and the data may be inaccurate, incomplete or out-of-date.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/
