Case Studies

At Glanville Environmental, we craft innovative, sustainable solutions for unique environmental challenges. Our case studies show how we’ve partnered with various industries to ensure compliance, enhance sustainability, and achieve project goals through customised strategies and cutting-edge methodologies. Explore our success stories to see why clients trust us for impactful environmental results.

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Emergency Sinkhole Response In Pant South Wales

When a culvert collapsed beneath a residential street in Pant, South Wales, on 1 December 2024, the resulting sinkhole forced families to evacuate and drew national attention. As the ground continued to deteriorate and urgent engineering decisions were needed, Edwards…

Structural Sewer Rehabilitation

Key Achievements <1 week delivery vs 2-3 weeks (≈75% programme saving) 40-60% cost saving vs excavation 75%+ carbon reduction 10-15 tonnes of waste avoided Zero disruption to access or highways Zero safety incidents 50+ year asset life extension Project Overview…

Drainage Misconnection Investigation

Key Achievements 359 property investigations completed across the South West 40 confirmed misconnections identified and resolved 224 suspected cases eliminated, preventing unnecessary works Non-intrusive methods avoided excavation, significantly reducing cost and programme duration Estimated 70%+ reduction in carbon impact vs…

Fowey Estuary Lateral Sewer Investigation

Key Achievements ~1 km estuary frontage fully mapped and verified 100% asset visibility achieved across a previously uncertain network Significant reduction in repeat surveys and rework through “first-time-right” delivery Non-intrusive methodology eliminated excavation, plant, and reinstatement Estimated 70%+ carbon reduction…

Tackling Saline Infiltration in Looe

Project Summary The Looe catchment programme reflects Glanville’s proven capability to identify and mitigate inflow and infiltration across complex wastewater networks. By combining advanced CCTV survey techniques, including tidal-led inspections and 360° manhole assessments, with a full suite of trenchless…

Truro Tidal Gates

Overview ICE Award-Winning Sewer and Water Installation for Kier and the Environment Agency Glanville Environmental is proud to have partnered with Kier on an Institute of Civil Engineers (ICE) award-winning project for the Environment Agency. This work formed part of…

Infiltration Reduction Programme

Project Summary South West Water’s £16m Infiltration Reduction Programme is the largest sewer rehabilitation scheme in its history, targeting the reduction of storm overflow across 175 high-risk sites. Delivered collaboratively with Glanville Environmental and Network Plus, the programme used advanced…

Pollution Risk Reduction Scheme at Newquay Zoo

Overview Our client appointed Glanville Environmental to deliver a critical pollution risk reduction scheme at Newquay Zoo. The project centred on replacing a degraded 450mm uPVC sewer pipe that had run above ground behind a wildlife pond since the zoo’s…

Crantock Rising Main Scheme

Overview After extensive discussions and evaluations with SWW’s Core Project Team following a design and build approach from cradle to grave, the Crantock scheme transitioned into a traditional open-cut pipeline project. The primary objective was to reroute the existing main…