Madrid, Spain

ARROYOFRESNO STORM TANK

Client

Madrid City Council. Environment and City Services Department.

Year

2011

Construction budget

EUR 106 million

Key facts

400,000 m³ storage capacity. 3 km collector tunnel 6.7 m in diameter, bored with a double shield TBM. Main pump flow rates of 8.5 and 4.5 m3/s. Underground car park with 250 spaces.

Services

Detailed design and construction supervision.