The plans contain water and drainage plans for a three-story single-family home; it also contains details of the cistern and pump room; as well as the detail of the electric hot water heater; metal cover for cistern; breaks waters; gate valve; sanitary ventilation outlet; isometric scheme of the pool recirculation system; amount arrival; skimmer; cross-country train; drainage pumping chamber and pump room drainage facilities; as well as the cistern; a legend is included with the plan diagram of all the connection details and finally all the drawings and details are scaled in the model.