Detalhes do Projeto

SEWAGE INTERCEPTOR SYSTEM OF EASTERN LISBOA

Client: City Council of Lisboa
Location: Calçada do Grilo/Parque das Nações – Lisboa – Portugal
Execution Period: 30 Months

This is a work which is part of 3 complementary works carried out in consortium (“Bica do Sapato to Calçada do Grilo” interceptor and Chelas WWTP) for the renewal of the sewage network of eastern Lisboa. Transformation of the single network in a separated one and construction of 3 lifting stations to overcome layout level differences. The pipelines are in ductile cast iron, paving from Calçada do Grilo to Praça David Leandro da Silva (inclusive).

Cast iron pipes Ø 350 mm to Ø 1600 mm: 3.000 ml

Lifting stations:

Lifting Station EE12 (EE1):
Peak flow: 109 l/s
Dynamic head: 11,8 mca
Power of each pump: 27 kVA
Installed power: 79 kVA
Unitarian flow: 58 l/s
Number of pumps: 3

Lifting Station EE13 (EE2):
Peak flow: 415 l/s
Dynamic head: 9,8 mca
Power of each pump: 76 kVA
Installed power: 130 kVA
Unitarian flow: 206 l/s
Number of pumps: 3

Lifting Station EE14 (EE3):
Peak flow: 527 l/s
Dynamic head: 6,8 mca
Power of each pump: 65 kVA
Installed power: 166 kVA
Unitarian flow: 283 l/s
Number of pumps: 3