External remedial works and the installation of an exhaustive internal lining system
External remedial works and
the installation of an exhaustive internal lining system
During 2022, Ram Services Limited was engaged to deliver a turnkey solution on a redundant service reservoir that had been taken out of service eight years previously due to water quality concerns.
The asset owner required recommendations from Ram Services Limited to inform their understanding of the unknown costs and technical solutions to return the asset to service.
Problem:
The reservoir had an existing, fatigued 50-100mm bitumen-based render applied to the walls which was exhibiting signs of deterioration.
The option to remove the render and re-consolidate the substrate and apply a protective coating system, was simply too costly to the client.
Resilience of wholesome water within many utility providers across the UK is a pivotable part of their current AMP strategies. This scheme underlines what can be achieved utilising the latest sector specific material technology alongside collaborative working with competent contractors.
Solution:
An extensive lining system was designed and installed to the full internal surfaces within the reservoir, including over 150 columns. Further detail work around the access ladders and pipework within the reservoir had to be considered. The membrane was MIT tested to ensure full integrity pre re-immersion.
- External roof to wall detail work, including complicated overburden removal and reinstatement due to access constraints and the necessary ingress prevention works centring around the roof joint.
- Waterproofing around all upstand to roof joints inclusive of waterproofing around the large valve, reservoir housing.
- One of the largest internal lining systems to be installed to a UK potable water asset.
- Protective coating works to the internal steel work in line with DWI Regulation 31 requirements.
- Steel fabrication works both internal and external.
- An extensive clean and chlorination of the structure, prior to the asset being returned to service.
Additional Benefits to the Client:
- Ram Services Limited provided the client with technical recommendations and cost information throughout the planning and design, resulting in a robust and financially viable long-term solution.
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