No. of Pages: 97
Date of Publication: January 2023
This document will be provided as a digital PDF copy. Please allow 2 working days for the PDF to be delivered to your inbox. For participating companies, a free copy can be obtained by your project representative - Dŵr Cymru Welsh Water, Northern Ireland Water, Severn Trent Water, Thames Water, United Utilities, Yorkshire Water. Please contact email@example.com for assistance or if you are entitled to a free copy.
Water and Sewerage companies in the UK are responsible for over 500,000 kilometres of sewers and lateral drains. Visual inspection has become an essential tool for sewer operations and maintenance as well as for asset managers in monitoring the long-term structural condition and serviceability of these assets. Since the publication in 2005 of the second edition of the Model Contract Document for Sewer Condition Inspection there have been significant developments in CCTV equipment and some new associated technologies have also come into common use.
The model specification, bills of quantities and schedules contained in the earlier model contract document are now commonly used with a company’s own standard contract conditions, often as part of a framework contract. This Sewer Condition Inspection Guidance document includes updated versions of these elements that take account of the new technologies and improvements in CCTV equipment. This best practice guide includes the specification and guidance for the inspection of wastewater pipework, culverts, and chambers. It also gives guidance on the selection of the most appropriate techniques for a particular application and it encourages the greater use of digital technology to capture, record, store and utilise sewer condition data to achieve improvements in sewer condition assessment.
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