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Table 9 Details in information for object modeling, depending on product requirements

From: Adapting LOD definition to meet BIM uses requirements and data modeling for linear infrastructures projects: using system and requirement engineering

Operational requirement: The natural watershed must not receive the waters of the longitudinal network whatever the conditions of rainfall, up to centenale
Object attributs dimensionnality representation
pipe and other elements of longitudinal drainage system Membership system Topological synoptic with connections to retention ponds
retention pond Name, number Topological synoptic
Organic requirement: The longitudinal drainage network must consist of a pipe that allows flow Q25
Object attributs dimensionnality representation
pipe diameter 3D object to design diameter and tilt
retention pond Name, number, volume, type 2 or 3D representation to design volume, type and operation