From the first years of the last century, engineering and design methods have witnessed the evaluation of support tools that enabled the engineer to find solutions to complex problems. An engineer sees and will always see the word "complex" as a challenge against which he can measure his own technical-scientific mettle when supported by his tools. So during the early 1900s draft drawings were made by hand with a pencil or ink and calculations were made with the mythical square rule, resolving "complex" problems that today still number among the themes that continue to challenge engineers.

Little by little, computers arrived and revolutionized these methods. Automatic calculation programs written in different languages and based on the Principle of Virtual Work began to spread among professionals, enabling them to speed up their calculations and verifications at levels never before imagined. Meanwhile, the first software of so-called analytic drawing, based on calculation codes that translate the lines traced on the computer monitor into command strings, offering a speed and precision that would be impossible to obtain with a hand drawing. The development of such software took place at an impressive speed, to the point of providing an irreplaceable tool for any engineer at any level of planning.

Certainly, the ties with classical methods of engineering and design remain strong and limited by a sense of respect and recognition for the origins of the engineering profession, but in consideration of the present and looking towards the future, it will be increasingly necessary for new generations to offer services that are always more complete and punctual with a global view of the work in progress.


Over recent yeas the evolution of software has made it possible to attain decidedly high levels of engineering and design. We are speaking in terms of speed, versatility, precision and - above all - sharing. Indeed, today it is possible to create a unique 3D model of the work being planned that will then be managed by various professional figures, each dealing with his or her own specialisation. We are speaking of BIM - or Building Information Modelling - the last frontier in engineering and design that LGA has adopted as an integrated working system among different professional figures. This makes it possible to manage the entire contract as a whole, with the utmost collaboration among the parties, limiting the interferences between the architecture, structure, and systems. Above all, it gives the possibility to evaluate each individual aspect before beginning works.

We have chosen to approach this new challenge by entrusting ourselves to the competency and professionalism of Autodesk. By making an important investment that has enabled us to create an engineering and design platform that offers all the leading software for topographic surveys - design – FEM calculations – executive drawing and construction site layout.

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