Big Dave is the commercial laundry man at HMP Coldingley; he dries the sheets after they have been washed. For his work within the prison he is paid £11.40 a week. HMP Coldingley is a category C training prison and was built in 1969. Surrey, United Kingdom. Coldingley is focussed on the resettlement of prisoners, and all inmates must work a full working week, within the prison grounds.