As London’s Leading Pipe Freezing Contractor, our services were requested at London City Airport. Please read our case study below:
Client – London City Airport
Site Location – London City Airport, Hartmann Road, E16
Contract Duration – Three Days – In and Out of Hours
Eight Pipe Freezing Isolations and Valve Installs
The Brief
The Hithes Restaurant redundant pipework needed to be removed safely because of it’s closure.
Summary of Removal of all Redundant Services Supplied:
As a Pipe Freezing Contractor, we isolated and removed all redundant services at Hithes Restaurant following its closure. Focusing on the LTHW and CHW pipework, which pipework feeds the area within the Hithes Restaurant.
Key Highlights of Services Included
- Firstly, our engineers attended the site out of normal working hours, to carry out eight pipe freezes with liquid nitrogen. The Liquid Nitrogen Pipe Freezes were on the LTHW and CHW flow and return pipework. The redundant pipework was located above the ceiling, which used to feed old fan coils in the restaurant.
- We installed new valves as close as possible to the branches on the main flow and return pipework to prevent dead legs.
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Our engineers removed any unnecessary external pipework and drained it into a local drainage system.
Removed Redundant Pipework:
- Within normal working hours, the team returned to site and stripped out all the LTHW and CHW redundant pipework from the ceiling slab.
- Next, our engineers disconnected and cut back the redundant pipework, feeding the ground floor heating and cooling system.
Returned Back to Site:
- Once again, we returned to the site, and removed the ceiling, to access the no longer required fan coil outside.
- Similarly, we disconnected and isolated the LTHW and CHW pipework, feeding the redundant fan coil and two further branches, which fed the previously removed units.
Pipe Freezing was Required:
- We used pipe freezing to isolate the pipes, allowing us to drain the contents into a local drainage system.
- After that, our engineers stripped out all redundant pipework, with the avoidance of creating dead legs. After confirming the pipes were no longer needed, we removed the LTHW and CHW pipework.
- Lastly, cleared the site of all redundant items upon completion of our work, and disposed of at a licensed refuse/recycling facility.
Result
We successfully removed all redundant services for Hithes restaurant on time and installed new valves with minimal service disruption.
Above all, our Pipe Freezing Services supported the removal of pipework, to stop the flow without the need to drain down the entire system.
Learn about pipe freezing and how it works. Read our guide here: Pipe Freezing Guide.
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