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Case Studies

Culvert 34 Whitchurch Canal Breach Site

Culvert Cleaning & CCTV Survey | Kier NR&N

50mCulvert Length
8Days completed in

Method of Works

Culvert Clean & CCTV

~50m of 1200mm x 1200mm brick culvert cleaned and surveyed to full WRc standard

Downstream Twin Pipes

~33m of twin 225mm clay pipes cleaned and CCTV completed (Stage 2)

100% Silt Removal

All pipes 100% full of debris due to the breach – finished silt levels reduced to less than 10%

Portable Equipment Deployed

Material stockpiled at End B and loaded into 20-tonne haulage lorries for disposal.

Key Challenges & Highlights

Difficult Access

Inlet side became a sand pit from the canal breach. Outlet accessed via active plant track across wet farmland, requiring full portable setup.

Live Site Co-ordination

Works ran in tandem with ongoing major earthmoving operations, requiring continuous programme co-ordination to keep both scopes on track.

Technical Complexity

Culvert location and 100% silt blockage required multiple equipment configurations and expert planning to safely clean and survey.

Project Summary

Delivered On Time. On Budget. To Specification

Culvert cleaned, CCTV completed, and drainage restored – allowing water to drain naturally off the field and the watercourse to function as intended.

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50mCulvert Cleaned
33mTwin Pipes Cleaned
8 daysProgramme Delivered
<10%Final Silt Level

We have an experienced team with over 100 years’ combined experience in utility, civil engineering & construction sectors.

Copyright © 2026 MRMS. All Rights Reserved.

We have an experienced team with over 100 years’ combined experience in utility, civil engineering & construction sectors.

Copyright © 2026 MRMS. All Rights Reserved.

We have an experienced team with over 100 years’ combined experience in utility, civil engineering & construction sectors.

Copyright © 2026 MRMS.

All Rights Reserved.