The service is part of the dismantling package known as the "Dismantling of Inaccessible Premises (LI)" of the Saint-Laurent A site project.

It is divided into two batches and consists of carrying out:

- LOT 1: Dismantling of the MEC Unit 5 and Unit 6 cells at Saint-Laurent A;

- LOT 2: The dismantling of the North and South Fuel Lock Rooms Unit 5 and the Fuel Lock Room Unit 6.

This intervention is part of the new UNGG 2016 strategy and the Secure Configuration Arrangements (SCMs) of the UNGG sites concerned, of which Saint-Laurent A is a part.

The main issues of the CSM are:

- Reduction of the source term;

- The reduction of the footprint of the remaining buildings in the Secure Configuration Period (SCP);

- The electromechanical dismantling of the premises, the sanitation of the structures and the demolition of the installations, buildings, equipment on the periphery of the reactor vessel and not necessary in PCS;

- Readjustment of support functions for optimized operating costs.

In this context, the purpose of the operations is to free up the HK premises in order to begin its remediation operations.

Delivery issues include:

- The safety of workers during the site installation, work and site withdrawal phases in accordance with the DP2D instruction [48]. Particular attention will be paid to the risk of falls from heights and falling objects during sail opening operations or load handling.

- The safety of the installation by guaranteeing the control of the integrity of the EIPs in the vicinity of the sites during the various phases of work (dismantling, handling).

- Waste management by controlling the production of waste packages as well as that of induced and technological waste: by monitoring the limit of the DED on contact and the filling conditions in order to guarantee compliance with the Company's requirements and transport regulations. Waste requiring specific channels must be sorted and nuclear waste must be compatible with the associated approvals.

- Radiation protection of workers and control of the radiological cleanliness of facilities. Particular attention will be paid to equipment to be dismantled with a risk of alpha contamination.

- Control of the cleanliness of the facilities by applying procedures to maintain cleanliness during the work phases. The site must be tidied up every evening and the waste removed as it happens. Traffic lanes must not be obstructed.

- Control of the implementation schedule by bringing into play the human and material resources necessary for the smooth running of operations.

This intervention is part of the new UNGG 2016 strategy and the Secure Configuration Arrangements (SCMs) of the UNGG sites concerned, of which Saint-Laurent A is a part.

The main issues of the CSM are:

- Reduction of the source term;

- Reduction of the footprint of the remaining buildings in the Secure Configuration Period (SCP);

- The electromechanical dismantling of the premises, the sanitation of the structures and the demolition of the installations, buildings, equipment on the periphery of the reactor vessel and not necessary in PCS;

- The readjustment of support functions for optimized operating costs.

In this context, the aim of the operations is to free up the HN premises in order to undertake the clean-up and demolition operations of the latter.

Delivery issues include:

- The safety of workers during the site installation, work and site withdrawal phases in accordance with the DP2D instruction [48]. Particular attention will be paid to the risk of falls from heights and falling objects during sail opening operations or load handling.

- The safety of the installation by guaranteeing the control of the integrity of the EIPs in the vicinity of the sites during the various phases of work (dismantling, handling).

- Waste management by controlling the production of waste packages as well as that of induced and technological waste: by monitoring the limit of the DED on contact and the filling conditions in order to guarantee compliance with the Company's requirements and transport regulations. Waste requiring specific channels must be sorted and nuclear waste must be compatible with the associated approvals.

- Radiation protection of workers and control of the radiological cleanliness of facilities. Particular attention will be paid to equipment to be dismantled with a risk of alpha contamination.

- Control of the cleanliness of the facilities by applying procedures to maintain cleanliness during the work phases. The site must be tidied up every evening and the waste removed as it happens. Traffic lanes must not be obstructed.

- Control of the implementation schedule by bringing into play the human and material resources necessary for the smooth running of operations.