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1. Role of 3D modelers and structural engineers in
structural design process
Structural engineering and structural engineers remain highly critical in the development
of residential and commercial buildings, bridges and flyovers, factories and towers etc.
The significance of this crucial building trade cannot be ignored by architects and
engineers when it comes to creating powerful buildings and structures. Structural
engineering which particularly deals with load calculations, stress analysis and structural
analysis is an indispensable part of civil engineering.
In context of building projects structural frameworks are created for supporting different
kinds of loads which are confronted by the building. There are various important
structural engineering activities which fall within the framework of structural design
process such as planning, load calculations, design, stress analysis, steel detailing and
drafting, structural modeling and structural analysis etc.
Role of 3D modelers and structural engineers in developing strong structures
 The first thing which is done by structural engineers is to design the overall structure
wherein they also have to be accountable for designing its individual parts.
 Load calculations, stress analysis and structural analysis cannot be performed by
anybody else apart from structural engineers.
 Structural engineers have to provide detailed specifications to drafters and modelers
so that they can develop accurate drawings and models.

2.  Structural engineers also have to be accountable for the accuracy of the information
contained in structural fabrication drawings and erection drawings.
 They are the one who have to review and approve all kinds of technical drawings
which are either generated by drafters and steel detailers, before they are actually
utilized in the construction of structural framework.
 On the other hand 3D modelers are accountable for creating high-end parametric
models on the basis of the guidelines and specifications provided by structural
engineers.
 Following BIM codes and standards remains the responsibility of modelers which
results into the development of effective parametric models.
 The responsibility of delivering error-free models to clients within the deadlines
largely remains on the shoulders of BIM modelers.
 Structural engineers also look after the accuracy of parametric models which are
generally outsourced by clients.