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EXTENSION OF THE SUBWAY LINE 2 FROM MADRID DOWNTOWN TO LA ELIPA. INFRASTRUCTURE.

Owner: MINTRA. CONSEJERÍA DE TRANSPORTES E INFRAESTRUCTURAS. COMUNIDAD DE MADRID

(Department of Infrastructures. Madrid State Government)

Completion Year: 2007

Construction Budget: US$ 75 Millions

Contractor company: OHL

Relevant details:

Length: 1,600 m

Two-tubes Tunnel with TBM EPB, (Earth Pressure Balance): PPKK 0+042.5 a 0+225 (L = 182 m): Continuous reinforced concrete shield. PPKK 0+225 a 0+300 (L=75 m). Crossing under highway M-30: Retaining piles wall, “Top Down”. PPKK 0+300 a 0+405 (L=105 m): Section between piles. PPKK 0+405 a 1+325 (L= 920 m): Mined section, (Madrid method). PPKK 1+325 a 1+430 (L= 105 m). La Elipa Station: Continuous reinforced concrete shield. PPKK 1+430 a 1+610 (L = 180 m): Mined section, (Madrid method)

Shafts: Emergency exits and compensation injections.

Earth treatments:  Micropiles roofing. Compensation inyections. Jet-grouting column treatment. Injections of silicates in the excavation face.

Services performed:

Detailed design Project.

About Us

GINPROSA was founded as a company in October 1990 by a group of highly experienced professionals from all disciplines of Civil Engineering. The firm has a staff of highly qualified engineers ideally suited to all of the activities undertaken by the company.

The principal services provided by GINPROSA  are: the development of Feasibility Studies, Engineering Reports, Preliminary and Detail Design Projects, Quality Control, On-site consultancy and the Supervision of construction works within the following sectors: Transport, Roads & highways, Railroads, Structures, Buildings, Masterplanning and Development, Water Supply and Waste Water infrastructures.

GINPROSA is an independent company with no links to financial groups or contractors, with its capital stock shared amongst the professionals of the company.

 GINPROSA’s head office is situated in calle José Echegaray, no. 18, 28232 LAS ROZAS (MADRID).  The over 2,000 m2 of office space is completely equipped with the most modern technological means for the efficient and effective production of all the business activities undertaken by the company. GINPROSA also has various offices distributed all over Spain.

Oficina Central

C/José Echegaray 18

28232, Las Rozas de Madrid.

Madrid. España.

T. +34 917 994 900

F. +34 917 994 910

ginprosa@ginprosa.es

Estados Unidos

2102 Business Center Dr. Ste. 130

Irvine, CA 92612

T. (949) 253-4660

T. (949) 253-4616

F. (949) 752-9316

ginprosa.california@ginprosa.com

Bogotá

OficinaColombia3

Calle 93B nº 17-42 Oficina 302

Edificio Classic Center I

Bogotá D.C. – Colombia

T. (+57)(1) 5307920

F. (+57)(1) 5307921

ginprosa.colombia@ginprosa.com

Medellín

Cll. 33  78-141 piso 3º.

PBX    (+57) (4)    460 2320

Movil (+57)  321 885 2793

ginprosa.medellin@ginprosa.com