Post 3 of Petit Thérain

Project Description

This project is part of the modernization of the electrical installations within the railway infrastructure managed by SNCF Réseau at the Petit Thérain site. The goal is to implement systems that ensure a higher level of safety and reliability.

The scope of this contract includes the following works:

• Renewal of the Low Voltage Main Switchboard (TGBT).

• Removal of the internal backup generator set.

• Dismantling of the pole-mounted catenary transformer and installation of a 25 kV / 420 V pad-mounted transformer with a capacity of 50 kVA.

These works aim to optimize the operation of the railway electrical systems. This is achieved through the reduction of equipment footprint within the building of Post 3 at Petit Thérain, improved accessibility for maintenance teams to the catenary transformer, and the installation of a new-generation Low Voltage Main Switchboard (TGBT).

Our Services

As part of this mission, TRACTEDIS is responsible for preparing the tender design studies (DCE), including:

• Development of the work phasing plan (phasage booklet).

• Definition of the technical specifications (CCTP).

• Organization of the project execution schedule (planning).

• Budget estimation for the project (DPGF, PO).

• Design of implementation solutions (layout plans, installation plan for the pad-mounted transformer, calculation notes).