Around 1km of scaffolding was needed around the tower to carry out the repairs. It took 12 weeks alone to erect that.
Contractors are working from top to bottom removing pieces of concrete that were breaking off the structure and filling in cracks. They are then repainting around the repairs.
More top news
More than 40 firefighters and eight fire engine were called in to tackle a blaze at an industrial unit in Dinnington.
Sheffield United manager Chris Wilder has extended his contract with the club by a further year.
Luna Jarvis, a student at Lincoln University, suffered a stroke at the age of 20. She is now looking to raise awareness for others.