Tender for Make improvements to the Masia Tres Torres, as an annual maintenance measure, giving solution to the problems of wear and use of equipment: Impaired rover replacement (humidities by capillarity) ground floor access area. Replacement of wooden window (tilophagous attacks) new aluminium window, located on the emergency scale (ground first/ground floor). Replacement of a window glass unit located on the main access scale between plants (low/first) for gas loss in the air chamber.