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STC25 — The drainage industry standard

CDR's STC25 Computerised Sewer Records System is based on the DoE Standing Technical Committee Report no. 25 which defines a standard method of storing sewerage data. The STC25 system stores manhole card data in digital format, allowing the data to be manipulated, exported and reported quickly and easily. An integrated data validation routine checks network consistency and ensures data accuracy is maintained.

STC25 Software Options

STC25 core program

Data entry, validation, reports, network generation and graphics, batch edit.
STCLite The core of the package enabling the user to view and analyse sewer data for production of reports and generation of DXF files to interface with CAD packages.

STC25 core program
plus STING modules

Data entry, validation, reports, network generation and graphics, batch edit. Only requires AutoCAD standard version. AMP and SQL available for AutoCAD ADE3 users. Generates pipe data and take off contributing areas for WASSP and WALLRUS SSD data files. Produces long sections and flooding plans.

Digitiser module

Allows sewer record maps to be entered into STC25 by digitisation. Automatic calculation of grid reference and node number by either generating new nodes or batch edit existing data.

Confidence module

Allows node locations to be pin-pointed to the nearest 100 mm using bi- and tri-lateration techniques with map snapping. Confidence values may be associated with node and pipe status, function and depth.


The STC25 Data StandardCDR Group - STC25

The STC25 Data standard is outlined in the following publication:

Sewer and water main records

Standing Technical Committee on Sewers and Water Mains
Department of the Environment
National Water Council
Standing Technical Committee reports Number 25

NWC June 1980

ISBN 0 904561 85 2

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