The project concerns the fabrication and the installation of twenty Raygates units at Kastrakiís H.P.P., in Agrinio. Our contract included the design, the construction, the painting, the transportation and the installation of twenty steel Raygates units which amounted to a total weight of seventy tons. The duration of the project was three months. With the start up of this particular operation system the incensement of the H.P.P.ís reservoir capacity up to forty five million cubic meters has been achieved.