The aim of the project is to improve and upgrade the operation of the external aqueduct from the spring “Patrathyros” to the central reservoir of the water supply system of ten settlements of the Municipality of Gortynia. More specifically, work is included: A) the maintenance and upgrading of the building part of the central pump, b) the replacement of 500 m. part of the depressive pipeline from the Central Pump to the Intermediate Pump, c) maintenance and upgrading of the building part of the Intermediate Antistasis, d) replacement of 75 m. part of the depressive pipeline from the Intermediate Pump to the Central Trophy System Tank.