Utility Surveys
Utility Surveys will be carried out in accordance with PAS 128:2014 specification for underground utility detection, verification and location published by BSI.
Survey Types:
Type D: Desktop utility records search
A report identifying all known utility owners and their assets within an area including a list of affected and non-affected providers, long with plans, maps and diagrams provided.
Type C: Site Reconnaissance
Accompanied by a desktop report (type D) – it will involve a site reconnaissance visit to identify features that may indicate the presence of a service such as manholes, valves, utility markers, street furniture and excavation scars. The deliverable will be in the form of records overlaid onto existing survey or OS base plans.
Type B: Detection
Accompanied by a desktop utility report (type D). This survey is a non-penetrative survey conducted using geophysical techniques such as electromagnetic detection and Ground Penetrating Radar (GPR). Deliverables will be in the form of an AutoCAD file accompanied by a written report and photographic record.
Type A: Verification
This survey can improve the confidence level of service location and types by actual visual inspection via access points such as manholes or by excavation ad exposure.
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