Recovery work at Didcot power station to find two missing men from Rotherham has begun today.
Ken Cresswell, aged 57, and John Shaw, aged 61, are missing following the collapse of the power station being prepared for demolition.
The two South Yorkshire men and Chris Huxtable, from Swansea, remain missing following the power station collapse on February 23, which killed Mike Collings, 53.
The recovery operation has been criticised by their families of the missing menfor being too slow.
The Oxfordshire-based plant was set for demolition when it collapsed on 23 February.
In a joint statement on Wednesday, Thames Valley Police and the Health and Safety Executive said: "Starting today, large equipment and people will be arriving on site to start work to enable the recovery operation to resume at the weekend, sooner if possible.
"Our priority remains the recovery of the missing men so they can be returned to their families and to understand what caused this incident.
"Specialist officers from Thames Valley Police continue to support the families and are providing them with regular updates on the progress of this work."
Demolition company Coleman and Co said: "Our over-riding priority remains to support the families of those who have died or are still tragically missing, and the start of the recovery operation is an important milestone in a process to re-unite our missing colleagues with their families."