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D-Spec Specifications
The key objective of the specification is to provide Survey Enhanced "As Constructed" digital data of drainage and/or telecommunication conduit information in a GIS ready format to the D-Spec consortium.

D-Spec outlines the specifications for digital files containing drainage pipe, pit, property connections, underground conduits and design boundary extents to be provided to the D-SPEC consortium members.

D-Spec Specification Version 7.2.1 (Published 10th June 2010) is now available for download.
D-Spec Specification Version 7.2.1
[PDF-8.5 MB]

Please Note: You must Register in order to receive notification of Specification updates (participating Council's will expect data be delivered to the current/latest version of the Specification).
06/02/2006
The consortium has been made aware that ESRI Shape files truncate Field Name lengths to 10 characters; this of course creates difficulties for the recipient of D-Spec data to differentiate between Fields such as 'Prop_Outlet_Easting' and 'Prop_Outlet_Northing'. Considering that ESRI Shapefile is a preference for 3 councils in the consortium and possibly more in the future, the consortium had decided to set the abbreviations so that they are standard and to cater for this 10 character constraint.
These changes have been temporarily documented in the following file until a new version of the specification is ratified by the Executive Committee.
D-Spec Attribute Name Changes V1
[PDF-60 KB]
D-Spec File Formats
All data is to be supplied in a format specified by each individual D-SPEC member.

The D-Spec Consortium Format document is now available for download.
A-Spec Contact Datum and Format Requirements 19 December 2011
[PDF-284 KB]

D-Spec Sample Data
22/02/2011
Sample data in the MIF/MID format is now available for download. We would appreciate any feedback you have regarding this SAMPLE data.

Disclaimer: -Please be aware that the projection may not be correct for your area so you will need to address this with this and other data sets.
Sample WA D-Spec MIF MID 201115
[ZIP-7 KB]
D-Spec Logo
Registered A-Spec Consultants are welcome to use the D-Spec Logo for promotional purposes.
D-Spec Logo
[JPG-32.5 KB]
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