Having provided our test panel, construction type NAG-SG150-80, the panel was placed onto mock up bearing supports to all four sides, the pre-cast panel was placed on sand and cement bedding material 10mm in depth and the client paved over the panel using 30mm thick Granite stone. We witnessed the test undertaken in the presence of London Fire & Emergency Planning Officer, client and our Managing Director. The test was completed within the required minutes using no more than 5-6 blows with a 14lb hammer, the pictures show the punctured panel and the exposure of the reinforcing steel. This test was completed to the London Fire & Emergency planning officers satisfaction. Test panel size 1200mm x 1200mm, thus giving a 1000mm x 1000mm break out area.