This service incorporates the accurate tracing and mapping of internal building services through to external private or public sewerage networks and catchments, including:

• Manhole and chamber mapping
• Identification of chamber and pipework materials and sizes
• Condition surveys
• Provision of manhole data sheets to STC25 industry standard
• Identification of misconnected (i.e. foul to surface water) drainage connections and sewerage
• CCTV survey of sewerage pipelines from 100mm up to 1000mm diameter
• Coded detailed structural condition surveys to conformance with the WRc sewer condition classification
• Production of detailed digital drainage record drawings for ISO14001 accreditation

Our principal clients include UK Rail Operators and commercial/industrial clients.