Tesmec S.p.A is a market leader in infrastructure technologies (overhead, underground and railways) for the transport of electricity, data and materials (oil and derivates, gas and water), as well as surface mining and quarrying technologies. It offers integrated solutions for cable laying, survey, and digital mapping (digitization of the output and working environment), for the excavation and burial of cables trencher and for underground stringing.

Rototilt has created something completely new

The company has a strong focus on sustainability, from electric and hybrid power units to renewable energy projects, from predictive diagnostics to cybersecurity, from automation of solutions to their electrification, from artificial intelligence to the Internet of Things, with a view to a global transformation of the energy industry, focusing on distributed generation, smart grids and alternative sources. President & CEO Ambrogio Caccia Dominioni commented: “Energy infrastructure is the most important factor in sustainable development, and we confirm our desire to be one of the key players in this era of green and digital transition. Our innovative technological solutions are geared towards continually improving performance, reducing the carbon footprint, and ensuring the highest safety standards. We believe that electrification, automation, and digitalisation are strategic drivers of development.”

3D Digital Twin integrated system: This mobile Mapping System (MMS) is an integrated radar mapping system of the underground and high-precision digital 3D survey of the environment and is designed to perform georeferenced 3D reconstruction through the union of two types of data: the 3D point cloud obtained through the use of LIDAR technology; the 3D point cloud obtained through stereoscopy algorithms applied to the images acquired by high resolution matrix cameras. The resulting point cloud with the image superimposed is then subjected to digital re-elaboration processing carried out by sophisticated artificial intelligence networks in order to get a georeferenced and accurate mapping. The MMS detection system has an accuracy of about 2 cm and returns a cloud of points of the surrounding environment that can be consulted on the cloud platform, useful for proper planning of the construction site.

Explorer 2.0: Tesmec’s very high precision georadar is equipped with 32 antennas that scan the ground up to a depth of 96 cm, and which is able to operate, towed by the vehicle, at a maximum speed of 17 km / h. The output generated by Explorer 2.0 consists of the mapping of existing underground infrastructures, useful for preliminary excavation investigations. In fact, the use of the georadar allows to reduce the execution times of the works, to guarantee the safety of construction sites and to allow greater precision in excavation work, avoiding the possibility of damage to existing underground utilities.

The integration of the two surveys makes it possible to get a 3D digital mapping on a cloud platform, on which the As-Built map generated by “SmartTracker” Tesmec can be superimposed. An integrated dashboard with a GIS engine is available through a web platform for displaying the information from the surveys and processing, which allows the georeferenced and simultaneous display of data. The specially configured interfaces allow navigation within different types of data, such as visible images and high-resolution videos, thermal images, laser point clouds and three-dimensional BIM models.

“The Mobile Mapping System is a solution that can be combined with excavation technology and is complementary to it. The Digital Transformation has naturally pushed us towards the creation of a new portfolio of technologies and business models.” affirms Marco Quarta, New Technology Manager. “This is a further step towards the supply of integrated solutions for the underground laying of high-tech cables. The product is part of the Group’s growth strategy, under the banner of digitalization, sustainability and energy transition, with the aim to bring the advanced image processing and artificial intelligence skills acquired by the Group in different verticals to markets that are still unexplored.”

e-Sidecut: The first Tesmec full electric trencher concept with 55kW of maximum power (<1T) is designed for the implementation of fiber optic networks in an urban environment. Its new generation PE1150 machine is a full electric solution for underground cable laying, with zero emissions and no noise. The e-Sidecut is the prototype version with full electric power supply of a sidecut sc4p, a small trencher for optical fibre excavations in urban areas.

E-Sidecut mounts a 358Vdc electric power pack that recharges in 12 hours (230V @ 16A) or 4 hours 3H (400V @ 32A). The electric motor works with an operating speed of 3000 rpm, it has a continuous power of 42 kW@ 3000 rpm (60 kW @ 5000 rpm), water cooling. The new electric modular architecture doubles the tank to wheel efficiency compared to traditional machine based on combustion engine and reduces the acoustic impact. The cost of work using electricity costs less than using fossil fuel.

This green trencher prototype developed by Tesmec fits into the path of full electric machines already started in the field of underground stringing, expanding the range of zero-emission solutions for urban cable-laying sites.

“In the trencher industry this is the first step towards the concept of an extensive range of trenchers for urban application,” declares Marco Paredi, Trencher Business Unit Director. “These are objectives outlined in the Tesmec sustainability path and in line with the Group’s ESG strategy, which sees the prioritization of a green approach across all product lines.”

Underground sustainable solutions: Tesmec is committed to continuous improvement of its equipment with the aim to develop sustainable instruments and a new working method that reduces environmental impact and increases worksite efficiency. The different regulation systems introduced several limitations related to the emission standard, asking for a reduced noise level, especially in urban areas.

The new PE1150 and PE1250 full-electric pullers are a new generation of environment-friendly solutions for underground cable laying - a green range of machines suitable for urban jobsite, that can guarantee zero emissions, no noise and no oil. The electric motor eliminates hydraulic motors, pumps and valves, and they require no oil. Moreover, battery storage (LiFePO4) and plug-in charging system are available. Full-electric machines are part of the 4th generation of machines so they are also connected, safe and reliable.

Similar to the brand-new range of diesel underground cable laying machines, they are equipped with new digital technology. The new human machine interface is developed to simplify the stringing operations. The innovative graphic display shows all the information, while the remote controls the machine and allows the operator to work from a position that offers a better view of the jobsite, with less noise, and a higher degree of safety.
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