Innovative Solutions for Modern Infrastructure
Enhancing Heating System Resilience at Bury St Edmunds Hospital
Maintaining critical infrastructure in a live hospital environment demands meticulous planning and expert execution. We recently undertook a significant heating system upgrade on the roof of Bury St Edmunds Hospital, replacing outdated components to improve long-term resilience and serviceability, all while ensuring zero downtime for the facility’s essential services.
The Challenge
Outdated and Inefficient Infrastructure
The existing system relied on four large, 1000-litre steel expansion vessels. While functional, their sheer size and weight presented a considerable challenge for future maintenance. Any repair or replacement would be a major logistical operation, involving significant labour and potential disruption. The goal was to modernise this setup to simplify future works and enhance the system’s overall reliability.
The Solution
A Modern, Modular Approach
Our solution was to replace the four large vessels with eight smaller, 500-litre expansion vessels This modular approach immediately provides greater flexibility. The new units are lighter and more manageable, significantly reducing the complexity of any future maintenance.
Our lead engineer on the project highlighted the primary benefit:
“The main advantage is size. These new units are far easier to handle and work on. If a vessel needs to be removed in the future, it’s a much simpler, quicker, and safer task compared to the old, heavy ones. It’s all about building in future resilience.”
The eight new vessels work in unison, sharing the load consistently to function as a single, cohesive system. This design ensures stable pressure management while providing the redundancy and serviceability that the previous installation lacked.
Installation with Zero Downtime
A key requirement for this project was the continuity of the hospital’s heating. To achieve this, we implemented a phased installation strategy. The process involved isolating and removing one old 1000-litre vessel at a time, replacing it with two new 500-litre units. The new pair was fully commissioned and brought online before moving to the next, ensuring the hospital’s heating system remained operational throughout the entire project.
The logistics of the installation required careful coordination. The new vessels were lifted to the roof using a high-reach hoist and then carefully moved into position across the roof’s designated walkways, taking extreme care to prevent any damage to the roofing membrane.
During the installation, we also upgraded the associated pipework. The old, screwed steel pipe was replaced with modern copper press fittings. This technology offers a quicker, cleaner, and more reliable installation, and simplifies any future modifications. Each new vessel was fitted with lockshield valves and a dedicated drain-off point, further streamlining the process for future isolation and maintenance.
Ensuring Safety and Compliance
Safety and Compliance in a Live Environment
Working within a hospital setting requires adherence to the strictest safety and operational protocols. Our team operated with comprehensive Risk Assessment and Method Statements (RAMS) in place, ensuring every action was planned and executed to prevent disruption to ongoing hospital activities and critical systems.
This project successfully demonstrates how strategic upgrades can significantly enhance the reliability and future-proofing of essential commercial heating systems. The new installation at Bury St Edmunds Hospital is now more efficient, easier to maintain, and designed to provide dependable service for years to come.
Upgrade Your Heating System Today
If your facility’s heating or HVAC system needs a modern, resilient upgrade, our expert team can provide a comprehensive assessment and solution. Contact us today to schedule a consultation and ensure your critical systems are prepared for the future.





