 However they were found out only two days after starting the scheme, when a foreman at the station saw Patterson dropping a bag of cement into the sampling bin, and reported the incident.Ridley was found to have planned the fraud, and was jailed for a year, while Brooksbank was fined £150 and Patterson £75.The main visible features of the stations were their large boiler houses, turbine halls, cooling towers and pairs of chimneys; other facilities on both sites included offices, coal sorting areas, small fire stations and workshops.