Sewerage system blocks for the Bilbao Bizkaia Water Consortium.

Bilbao Bizkaia Water Consortium
Bizkaia, Spain
Planning and Consultancy
Engineering Design
Site supervision
Key disciplines:
Water and Environment
Mechanical and Electrical
Sewage Network
Water Process and Treatment

It consists of multi-disciplinary technical assistance for various sewerage studies and projects, divided into several multi-year contracts.

The most important works carried out were: construction design for renovation of the Armintza – Urizar collector (2,500 m running through a very closed valley with a pipe-jacked section of 650 m), Cotorrio Interceptor, upper stretch (6,600 m of pipe and a 1,700 m3 holding tank in areas that have been greatly altered by former mining work, rainwater holding tank at Andra Mari Axpe (Gorliz) (350 m of large diameter collector and a 450 m3 holding tank), modelling of sewerage network for Lemoiz, study of location alternatives for WWTP of the Mid Butrón (includes a viability analysis for a 40% extension of the capacity of the Mungia WWTP, without extending land occupation, by applying “advanced purification technologies”) and preliminary design for improvement of the Odour Control and Elimination Installations at the Galindo WWTP; Phase I (high-performance biofilters for 140,000 m3/h).

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