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case study

major surge flood response

59 individual properties

City of York Council

When severe flooding hit York during Christmas 2015, City of York Council (CYC) were left with the challenge of drying 59 ground floor properties across multiple sites.

Following the installation of dehumidifiers and a subsequent visit by the original drying contractor, CYC confirmed that drying times would be 'far longer than expected'.

In addition to this, intrusive preparatory works would be required, including hacking off plaster to 1m, and stripping out of all skirtings, doors, architraves, boxing, and flooring.

Determining a schedule of works and the accompanying cost quantum proved incredibly problematic, as it was not possible to accurately predict how long drying would take to complete for each individual property.

> Our solution

Following a site visit, Trustheat advised CYC that it would be possible to dry each and every one of the 59 flooded properties with evaporation drying, taking only 4 days per property.

In addition to this, the proximity of many of the flats affected allowed us to dry two properties simultaneously, using just one of our mobile drying systems. With a fleet of drying systems working in tandem, it soon became clear that the overall drying programme could be reduced by a number of months.

With each property now benefitting from both a finite drying schedule, plus a fixed price for each unit, CYC realised they could accurately schedule a programme of works and outline a viable quantum, whilst still reducing stress and disruption for residents.

On completion, we had dried each of the 59 properties both on time and on budget, with our client noting:

'Our teams were very impressed with Trustheat’s service offer and their general approach to working with us and residents.

Whilst this solution for drying is more expensive that traditional methods, there are significant savings from not having to remove and replace plaster work, kitchen fixtures and fittings. There is also less temporary accommodation costs, so overall the costs of remedial works are lower using Trustheat's method of treatment'.

Mike Gilsenan
Head of Building Services
City of York Council

> Reinstatement, reduced

Whilst the vastly reduced drying schedule was seen as the key benefit of using Trustheat, it soon became clear that employing evaporation drying would also provide a second major advantage, by vastly reducing strip out and subsequent reinstatement costs.

Fully expecting that plaster, skirtings, doors, architraves, boxing and flooring would have to be removed, CYC were delighted to learn that our drying solution and experience could release trapped moisture via evaporation from solid floors and covered walls non-invasively.

By reducing both strip-out and subsequent reinstatement, Trustheat further eliminated both time and costs. We also eliminated a significant amount of landfill waste and replacement materials, vastly reducing the carbon footprint of the project.