Drainage Pits

This layer shows location of drainage pits within the Metropolitan Region and is provided for information only. A Pit is defined as a node in the drainage network. It includes street gullies, side entry pits, soak wells, junction pits, and gross pollutant traps etc. It can be owned by Main Roads WA or others.Data dictionary:
Field
Alias
Type
Description

Pit_No
Pit 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

Pit_Type
Pit Type
String
Type of Pit (largely as per D-SPEC)

FSL
FSL
Double
Cover level, Finished Surface Level
(FSL) of Pit in metres AHD

Depth
Depth
Double
Natural or FSL to bottom of pit in
mm

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note that Main Roads WA drainage data is provided for information only and the data may be inaccurate, incomplete or out-of-date.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 Structure / Nodei.Ghost Node Structure represents a physical structure where the asset type is not known and Ghost Node represents a node only that is not owned by Main Roads WA.  Any assets owned by other organisations beyond a direct connection can be represented by the use of a Ghost Link. 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/