The planner then selects a construction method for each of the
LoD 2 product model components. As an example, for Piers, the
construction methods Reinforced Concrete and Steel are made available.
If Reinforced Concrete is selected, the LoD 3 process model
components Construct subbasement, Construct basement and Construct
Pier Shaft including the precedence relationships are created,
as well as the corresponding LoD 3 product model components.