
Case Studies
Otley Storm Tank Clean
Gallows Hill | Leeds
5Tanks Cleaned
2Weeks Programme
Method of Works
VEGETATION CLEARANCE
Six years’ growth cleared from the site perimeter using specialist tracked machinery.
TANK DEWATERING
Standing water pumped down prior to sludge excavation.
SLUDGE EXCAVATION
25-tonne excavator mobilised to End B. Sludge pushed from End A toward End B using a Skid Steer.
SLUDGE STOCKPILE & LOAD OUT
Material stockpiled at End B and loaded into 20-tonne haulage lorries for disposal.
REPEAT FOR ALL 5 TANKS
Process repeated across each tank until all were cleaned to specification.
Project Summary
Delivered On Time. On Budget. To Specification
Foul water rising main successfully delivered, improving network performance and resilience with minimal surface disruption.



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