Procedures in the Investigation of the Cause (s) Failure of a Building or a Related Structure. Category: Department OrderSub Category: legalSeries: 1990No: 153File: DO_153_S1990.pdfDate: Wednesday, July 18, 1990Tags: Procedures Investigation Cause Failure Building legal 153 Read more about Procedures in the Investigation of the Cause (s) Failure of a Building or a Related Structure.