A police representative added that the death may have been partly due to "medical complications". An inquest will be conducted.
In a statement, AC Goatham & Sons said: "We are very saddened to hear of the death of our much loved colleague and friend Ian Wall who died in tragic circumstances over the weekend.
"Ian had worked with us for the past two years and was very much part of the AC Goatham & Son family, and will be deeply missed by all the team here. Our sincere condolences go to his family and friends."