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Southern Water Otterbourne

OVERVIEW

Working with Williams Roofing Contractors Ltd of Eastleigh, Hampshire, the winning project involved the refurbishment of a large water treatment plant that imposed stringent environmental and performance requirements.


The outstanding workmanship and attention to detail by the Polyroof approved contractor during this large scale installation allowed this project to really stand out from the crowd. The below is a case study for this LRWA award-winning project, highlighting the many challenges and how they were overcome through innovation, workmanship and product choice.


The Solution


Following a survey of the roof area conducted by Williams Roofing and Polyroof Technical Services, a detailed report was carried out after which a bespoke specification was produced and handed to the client. This document detailed a comprehensive set of recommendations for solving the issues that had arisen due to the aged condition of the roof coverings.


The client, satisfied that the solution proposed would provide the lasting peace of mind they were looking for, awarded the contract to Williams Roofing Contractors Ltd to install the Polyroof Protec System.


There were many challenges on this project as this was a live ‘Clean Water’ environment site, so all Williams Roofing Contractor staff on the project had to have the EUSR National Water Hygiene Cards and be fully inducted by Southern Water’s high standards. Working within these type of environments brings additional Health & Safety implications as the National Water Hygiene scheme is in place to ensure the protection of public health and promote safe drinking water practices. Further risks had to be considered and covered including the risk of working over open water areas with additional buoyancy aids on site to reduce the risks as described under CDM regulations.

Williams Roofing Contractors Ltd had to be especially vigilant providing additional protection to ensure that no potential contamination or spills caused any contaminants to the clean water processes/water courses and environment with additional spill kits on hand. Due to the varying conditions of the roof construction(s)/substrates the preparation had to be thought through thoroughly. Certain roof areas needed to be scarified which would have caused reverberations through the roof/concrete deck. This would have possibly created contaminants by spooling of concrete/debris/dust to within the MF Compound Water Lanes/Tanks.




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