lift shaft to collapse thereby allowing fire/heat/smoke and accumulated masonry to enter the lift shaft, causing extensive damage to the lift equipment. As a consequence of this damage, the lift contractor provided a quotation for remedial repairs which included complete replacement of the entire lift installation. Once again the client sought our opinion. Introduction The damage to the lift equipment within a local authority housing scheme was as a consequence of an explosion within an adjacent dwelling. The resultant accumulation in pressure causing the partition wall between the dwelling and the