Since 1973 that Perta is the representative in Portugal of Special Projects Division of CASAGRANDE Spa.
This cooperation was and still is a very fruitful partnership.
In Portugal, Consortium Engil-Construtora do Tâmega
Perta’s cooperation with Special Projects Division of Casagrande Spa had so far its highest point with the construction of a factory for the Consortium Engil-Construtora do Tâmega in Tavira, South of Portugal.
This factory produced its first order with centrifuged prestressed concrete pipes diameter of 2500 mm and length of 6 meters, for the construction of the water Pipeline Odeleite-Beliche. 4700 pipes were manufactured for the execution of 28 km of Pipeline.
After its completion the plant dedicated to the production of other tubes of 2500 mm lenght and 1200 mm diameter.
In Algeria – Teixeira Duarte SA
Turnkey supply of a Factory of High Pressure Pipes with Steel Cylinder, with diameter up to 2200 mm x 6000 mm length (Vertical moulds with external vibration).
Casings driven and recovered with a Vibratory Hammer PVE200
Driving of the Casings of the Bridge River Piles, using an IHC Impact Hammer S 500
Some coatings done in Linatex Rubber