Emplacement of the Heater element into the Febex drift :

 
View toward the FEBEX tunnel during emplacement phase. In the foreground is the insertion car and in the background the backfilled tunnel is visible. The tunnel diameter is 2.28 m.   Loading of the electrical heater (weight 12 t, length 4.5 m) onto the insertion car.
     
  Heater insertion operation.

Note the numerous cables for the monitoring system on both sides and along the top line of the tunnel.

 

Full-scale High Level Waste Engineered Barriers (FEBEX) - In-Situ Testing