The CATERPILLAR is a service station set for the construction machines, divided into the office and employee facilities. The main building consists of a single-storey office building and a single-storey service station with a warehouses. The service station is directly connected with a technical warehouse, a compressor premises and an oil storage. The investment fullfils ecological standards thanks to its increased thermal insulation and the use of rainwater for washing machines. Moreover, the warehouse and the office area are illuminated by natural light. Thanks to the very good organization of the construction site the service station was built and commissioned in less than five months.