One important issue for the revitalisation of a brownfield is to answer the question how to deal with the remains of buildings and infrastructures in a sustainable way. In order to provide the basis for adequate decision making by site owners, investors and developers concerning the deconstruction and re-use of existing buildings and structures on brownfields, TIMBRE's Work Package (WP) 5 is to develop strategies, tools and instruments supporting decision makers in deriving efficient in as much as environmentally friendly strategies. Deconstruction is one of the most dangerous activities within the construction business. The risk of a lethal occupational accident is about 15 times higher than in other construction branches (cf. BAuA 2010). The risks resulting from deconstruction activities affect employees at the deconstruction site as well as people in the neighbourhood. Experience shows that a high security level for employees and non-involved third parties can be only attained by comprehensive consideration of occupational health and safety aspects during planning, preparation and performance of deconstruction works. This TIMBRE Deliverable 5.4 report as a Technical Guideline deals with the question how to manage the existing risks and how to create a legally compliant organisation that takes the complexity of deconstruction measures of buildings and structures into account.