Manhole, CSO & Outfall Surveys

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Nationwide we have carried out in excess of 150,000 manhole surveys since the company formation in 1993.

This is our core business activity and very high standards are guaranteed through continuous development of all surveying and quality procedures.

Minimum survey details of all manhole and CSO’s include:

• Cover sizes
• Shaft sizes
• Pipe sizes & depths
• Weir depths
• Chamber dimensions
• Pipe centre lines
• Photographs
• Any other additional information
• Node positions using GPS
• Levels using GPS to generate invert levels etc

The information is processed within the STC25 data format, along with an internal layout sketch, CAD drawing & location plan.