At a large Waste Water Treatment Works, failing seals were allowing water ingress across multiple buildings. While the issue was technical in nature, the potential impact was very real. Any disruption to treatment processes could affect services relied on daily by hundreds of thousands of people.
Project summary
| Organisation | Leading provider of water management services |
| Asset | Waste Water Treatment Works |
| Population served | Approx. 650,000 people |
| Scope | Sealing of 72 cable entry points |
| Solution | NOFIRNO ® Duct Seal System |
| Completion | June 2022 |
Wastewater treatment plays a critical role in protecting public health and the environment. Across the UK, wastewater infrastructure operates continuously to safely treat used water before it is returned to rivers and coastal waters. UK wastewater infrastructure collectively treats around15 billion litres from over 28 million properties every day. The reliability of treatment works is therefore essential not only for operational performance, but for maintaining environmental standards and public confidence in water services.
The challenge
Seventy-two cable entry points required remediation, many of them located within confined spaces. The works needed to be completed safely, without damaging live cables, and while keeping the treatment works fully operational.
Even relatively small points of failure, such as water ingress at cable entry points, can escalate into wider operational issues within wastewater facilities. Electrical systems play a key role in monitoring, control and treatment processes, meaning effective sealing is an important part of maintaining overall site resilience.
The solution
With decades of experience in the water management industry, CSD’s certified installation team worked methodically across the site, carefully removing defective sealing materials and preparing each opening to ensure the new system performed as intended. The NOFIRNO® Duct Sealing System was then installed consistently across all buildings, including in high-risk and restricted areas.
CSD’s experience working within live wastewater environments meant the team understood the safety, access and operational constraints associated with treatment works. This sector knowledge helped ensure the works were delivered efficiently and safely, without disrupting essential services.
The outcome
The treatment works is now fully protected from water ingress, supporting the reliable delivery of essential wastewater services.
Results
- Improved protection of assets critical to public health and environmental protection
- Reduced risk of operational disruption and emergency repairs
- Greater resilience for infrastructure serving communities across Scotland
By strengthening the integrity of cable entry points across the site, has reduced the risk of avoidable equipment damage and unplanned maintenance, helping to safeguard long-term investment in wastewater infrastructure and support consistent service delivery for customers.
