Carrying out the rehabilitation work of the Lift Station I dos Olivais, namely:

1) Architecture/Civil Construction:

i) Exterior rehabilitation (roof rehabilitation; rehabilitation or replacement of external spans; rehabilitation of punches and exterior vestments; spot waterproofing of buried exterior walls; rainwater drainages on the perimeter of the lift station; exterior arrangements; and

ii) Interior rehabilitation (roof rehabilitation; rehabilitation or replacement of external spans; rehabilitation of punches and exterior vestments; spot waterproofing of buried exterior walls; storm drainages on the perimeter of the lifting station; exterior arrangements);

2) Electromechanical equipment and hydraulic circuits: installation of new electropump groups; installation of double eccentricity butterfly valves in the compression of the lift groups, to function as a binomial with the electropump groups in their start and stop operations; installation of a zone connection between Zona Baixa and the Tejo/Alviela circuit;

3) Electrical installations and automation: refurbishment of the client-side sectioning station, including the full replacement of existing equipment with new compact cells; lifting station transformation station, including new compact cells, transformers; Installation of new electrical panels Low Power and Control Voltage; supply and installation of a new generator set; supply and installation of a new automation and supervision system.

Public tender for the conclusion of the contract for the completion of the rehabilitation work of the Elevatory Station I dos Olivais, namely:

1) Architecture/Civil Construction:

i) Exterior rehabilitation (roof rehabilitation; rehabilitation or replacement of external spans; rehabilitation of punches and exterior vestments; spot waterproofing of buried exterior walls; rainwater drainages on the perimeter of the lift station; exterior arrangements; and

ii) Interior rehabilitation (roof rehabilitation; rehabilitation or replacement of external spans; rehabilitation of punches and exterior vestments; spot waterproofing of buried exterior walls; rainwater drainages on the perimeter of the lift station; exterior arrangements;

2) Electromechanical equipment and hydraulic circuits: installation of new electropump groups; installation of double eccentricity butterfly valves in the compression of the lift groups, to function as a binomial with the electropump groups in their start and stop operations; installation of a zone connection between Zona Baixa and the Tejo/Alviela circuit;

3) Electrical installations and automation: refurbishment of the client-side sectioning station, including the full replacement of existing equipment with new compact cells; lifting station transformation station, including new compact cells, transformers; Installation of new electrical panels Low Power and Control Voltage; supply and installation of a new generator set; supply and installation of a new automation and supervision system.