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Bishop Challoner Catholic College is based in Kings Heath, with over 1000 pupils; it is one of the highest performing comprehensive schools in the country.

ISSUES IDENTIFIED

The defective waterproof covering that was constructed with standing seam aluminium was very prone to movement and had been leaking for some time, particularly in the box gutters.

SOLUTION

The solution provided infilling the troughs of the standing seam with 60mm of IKO enertherm MG Insulation to give a level surface this was then overboard with another layer of 60mm of Insulation which was mechanically fixed through to the standing seam aluminium this provided a stable and rigid surface upon which a two-layer bituminous waterproofing system was applied. The box gutters and parapet walls were boxed out with plywood prior to the application of the waterproofing. Complexity and Workmanship.

RESPONSIBILITY

The College sports hall remained in full operation and access was a key issue to the site which involved critical management throughout the contract to ensure both the health and physical safety of pupils could be maintained.