CONSTRUCTION OF THE NEW ABROÑIGALES BY-PASS COLLECTOR. SEWAGE NETWORK AND WASTEWATER TREATMENT.
Owner: DIRECCIÓN GENERAL DE CALIDAD Y EVALUACIÓN AMBIENTAL. (Madrid City Council)
Completion Year: 2009
Construction Budget: US$ 97 Millions
Contractor company: FERROVIAL-AGROMAN
Relevant details:
Description: Tunnel excavated with T.B.M. (Earth Pressure Balance) of 6.70 metros inner diameter and 7.65 of outer diameter of 4,400 m long. Cut&cover tunnel of 9.00 m width and 400 m long, in places where earth coverage is not enough. By-pass of the main drains of 9.00 square meters, on both sides of the M-30 highway. Execution of a chamber of derivation of three main drain lines with storm-water spillways.
Structures: Working shaft: 70.00 meters of perimeter and 25.00 deep. Executed with retaining walls. Working shaft for the TBM: rectangular 18.10 m long, 12.40 meters wide and 18.70 meters high. Structure for connecting main drain lines A, B, and C: structure conformed by two irregularly shaped shafts, of area: 676.50 and 626.90 m2, united by mined gallery section.
Services performed:
Detailed design Project and Construction Management. Quantitative and Qualitative control. Construction Supervision.