The technical content of the tasks and quality of construction is described in the relevant harmonised technical specifications (harmonised standards or European Technical Approvals (ETA)). Therefore first time in this region lay a foundation made by radian which covers approx. 100 km. far.

Specifications of work quality are an important feature of facility designs. Specifications of required quality and components represent part of the necessary documentation to describe a facility. Typically, this quality works includes any special provisions of the facility design as well as references to generally accepted specifications to be used during construction like isolation with high quality membrane also on all of the basement.