CSA S250 Mapping of Underground Utility Infrastructure is derived from mapping best practices and internal utility company mapping standards. The standard covers:
- Management programs, types, characteristics and lifecycle of mapping records.
- Accountabilities and responsibilities of the owner, the locator and the excavator.
- Reliability and accuracy of mapping records: methods of positioning and accuracy of as-built records
- Feature descriptions: symbols, line style, colour, data structure.
- Specific utility requirements for different types, such as telecom systems, water systems, electrical systems, etc.
For further information, see the fact sheet on CSA 5250.