Railway Presentation
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OverPROJECT 65 years shaping pathways BOOK underground RAILWAY PRESENTATION OSSA, founded in 1952, is a leading company in the underground construction sector specializing in four business areas: Construction, Energy, Mining and Services. Both in underground excavations by traditional method (NATM) and in tunneling with TBM, OSSA is a solid underground works partner for important industrial and construction groups internationally. At OSSA we are highly commited to Quality, Health and Safety, and Environment, and we invest in Research and Development Projects at an international level. We promote a culture of respect and teamwork among our team. OSSA has vast recent experience in high speed railway tunnels with over 75 km of high speed rail tunneling projects, leading the Spanish market in this specialty, and also in underground power plants, having built over fifteen underground plants with some of the largest underground caverns in the world. As a recent highlight, we have built more than 10 km of tunnels for the Santiago de Chile Metro. Internationally OSSA has executed works in Hong Kong, Taiwan, Chile, Peru, Colombia, Panama, Costa Rica, Brasil and Guatemala and is recently focusing its tendering activity in North America, Central America, Asia and Great Britain. After 65 years of success, our strategy is to continue expanding internationally, and to support large civil engineering and mining industry clients at all levels, contributing our vast technical expertise and our equipment fleet, while prioritizing health and safety and innovation in all our projects. SAFETY Safety is OSSA’s main asset from the time when its operations began, demanded by the specialisation required for the works carried out underground. The company’s staff have a high degree of professionalism and specialisation, which has been achieved after many years of training and the transfer of know how. Working in confined spaces with the presence of gas, dust, noise, low visibility and the use of explosives means that OSSA’s safety department is the most relevant in the company. The use of cutting-edge, innovative techniques in the field of underground works requires the continuous training of the company’s human resources. Type: Project: NEW EMERGENCY EXITS AT THE HIGH SPEED TRAIN LINE CONSTRUCTION DATA SHEET RAILWAY VITORIA-BILBAO-SAN SEBASTIÁN. VITORIA-BILBAO Owner: ADIF Project photos: Start: 10/2019 Section: 28 m² STATUS GEOMETRY End: 01/2022 Lenght: 4.771 m. (Galleríes) + 183 m. (Connections) STRUCTURE Emergency exits. OVERBURDEN Variable METHOD COUNTRY Spain Drill and blast excavation and NATM OF TUNNELING GEOLOGY AND PROVINCE Basque Country Variable GEOTECHNICAL DATA Mondragón, Elorrio, Durango, PLACE Amorebieta, Lemoa, Galdakao Drilling Jumbo and Basauri. Backhoe excavator TUNEL EQUIPMENT Shotcrete machines Loaders BUDGET Trucks (EXCLUDING VAT) 25.220.115 € LOCATION The works are located on the route of the Vitoria - Bilbao - San Sebastián axis of the high-speed train. The project covers AND 7 different sections of tunnel where, by the new regulation, it is necessary to build parallel emergency galleries so that ADITIONAL INFORMATION there are no more than 1.000 m of tunnel without an emergency exit. Type Project NEW EMERGENCY EXITS AT THE HIGH SPEED TRAIN CONSTRUCTION DATA SHEET RAILWAY LINE VITORIA–BILBAO–SAN SEBASTIÁN. BERGARA–ASTIGARRAGA SECTION Owner: E.T.S. Project photos Start: 04/2019 Cross section: 20 m² STATUS GEOMETRY End: 12/2020 Lenght: 1,860 m STRUCTURE Energency exits OVERBURDEN Variable METHOD COUNTRY Spain Drill and blast OF TUNNELING GEOLOGY AND PROVINCE Guipuzcoa Variable GEOTECHNICAL DATA PLACE Bergara – Astigarraga Drilling jumbo Loaders Backhoes TUNNEL EQUIPMENT Trucks Telehandlers BUDGET (EXCLUDING VAT) 10,575,000 € Shotcrete machines LOCATION The works are located on the Vitoria–Bilbao–San Sebastián axis of the high-speed train. The project in question consists AND of four different sections of tunnel where, by the new regulations, it is necessary to build new parallel emergency ADDITIONAL galleries so that there is no more than 1,000 m of tunnel without emergency exit. The work is undertaken with two INFORMATION excavation and support teams and two lining equipment. Type Project NORTH AND NORTHWEST CORRIDOR OF MADRID-GALICIA HIGH-SPEED LINE. CONSTRUCTION DATA SHEET RAILWAY LUBIÁN-ZAMORA SECTION. PEDRALBA PRADERÍA–PADORNELO TUNNEL SUBSECTION Owner: Sociedad Estatal de Infraestructuras Terrestres Project photos Cross section: Tunnel de Pedralba de la Pradería 86 m2 Start: 01/2010 Tunnel de Requejo 75 m2 STATUS GEOMETRY End: 12/2019 Lenght: Tunnel de Pedralba de la Pradería 1,700 m. Tunnel de Requejo 2,400 m. STRUCTURE Tunnels OVERBURDEN Medium METHOD NATM (Top-Heading and Bench). Drill and blast. COUNTRY Spain OF TUNNELING Mechanical excavation GEOLOGY AND PROVINCE Zamora Schists, slates with intercalations of quartzites GEOTECHNICAL DATA Pedralba de la Pradería, PLACE Requejo Type XL3C three-boom Jumbos Putzmeister PM500 Robot TUNNEL EQUIPMENT Manitou MRT 1650 BUDGET Backhoe loader with pick hammer (EXCLUDING VAT) 132,775,860 € The works consist of the execution of the track bed for the High Speed Madrid-Galicia line, comprising 4.96 km of double track and 1.44 km of single track. The main works carried out were two viaducts: Requejo, with a length of 2.1 km; Los Pedregales, at 1.42 km. In addition the Pedralba de la Pradería Tunnel has been executed in the double- LOCATION track section, with a length of 1,700 m including the false tunnels (1,580 m of bored tunnel) and an open cross-section AND of 86 m2. The Requejo Tunnel has also been executed, 2.4 km in length, for single track, with a cross-section of 75 m2, ADDITIONAL INFORMATION and including the construction of two false tunnels of 20 m each at the entrance and exit and another of 40 m in the middle. The excavation process for the tunnels follows the principles of the the New Austrian Method (NATM). Areas where the terrain is of high resistance have been excavated by drill and blast and those where it is of poorer quality with mechanical excavation. Type Project TUNNEL COMPLETION, PORTOCAMBA - CERDEDELO SECTION CONSTRUCTION DATA SHEET RAILWAY OF MADRID-GALICIA AVE Owner: UTE LAZA (DRAGADOS-TECSA-COLLOSA-SOGEOSA) Project photos Start: 01/2018 Tunnel in top heading with 48 m2 section GEOMETRY STATUS 2 End: 10/2018 Tunnel in bench with 31 m section STRUCTURE High Speed Train Tunnel OVERBURDEN 100 m METHOD COUNTRY Spain Drilling and blasting / Mechanical OF TUNNELING GEOLOGY AND PROVINCE Orense Below average quality slate and ampelite GEOTECHNICAL DATA PLACE Laza 1 Jumbo XL3C and 1 Jumbo L2C TUNNEL EQUIPMENT 2 Robot PM 500 1 Normet and 2 Manitous BUDGET (EXCLUDING VAT) 4,767,424 € LOCATION The works consist of the completion of the Cerdedelo tunnel, part of the Porticamba-Cerdedelo section of the Galician AVE. AND ADDITIONAL The supports required are generally heavy, based on bolts, trusses, shotcrete and umbrellas. 487 m of tunnel in top INFORMATION heading and 1,028 m of tunnel in benching. Type Project CONSTRUCTION DATA SHEET RAILWAY PUEBLA DE SAN JULIÁN BYPASS Owner: Adif Project photos Start: 04/2007 Cross section: 110 m² STATUS GEOMETRY End: 07/2018 Length: 1,970 m STRUCTURE Tunnels OVERBURDEN Medium METHOD NATM (Top-Heading and Bench). Drill and blast. COUNTRY Spain OF TUNNELING Mechanical excavation GEOLOGY AND PROVINCE Lugo GEOTECHNICAL DATA Hercinic granodiorite PLACE Puebla de San Julián Three-boom Jumbo Tamrock Axera. Wet - mix Robojet TUNNEL EQUIPMENT Putzmeister Wetkret η = 30 m³/h BUDGET 77,962,695 (EXCLUDING VAT) € Two railway tunnels of 520 and 1,450 m length. High speed railway design. LOCATION AND 16 existing cross levels have been removed to improve the safety. Construction of “New Puebla de San Julian Station”. ADDITIONAL INFORMATION Steel reinforced shotcrete 45 Kg/m³, steel ribs TH - 29/HEB - 160, 4 m long bolts and 25 mm of diameter. Type Project TRACK BED FOR MADRID–EXTREMADURA–PORTUGUESE BORDER HIGH-SPEED LINE. CONSTRUCTION DATA SHEET RAILWAY TALAYUELA–CÁCERES. GRIMALDO–CASAS DE MILLÁN SECTION Owner: Administración de Infraestructuras Ferroviarias Project photos Start: 06/2010 Cross section: 100 m² STATUS GEOMETRY End: 07/2018 Length: 3,320 m STRUCTURE Tunnels OVERBURDEN Medium METHOD NATM (Top-Heading and Bench). Drill and blast. COUNTRY Spain OF TUNNELING Mechanical excavation GEOLOGY AND PROVINCE Cáceres Quartzite, slate, sandstone and conglomerates GEOTECHNICAL DATA PLACE Cañaveral, Casas de Millán Type XL3C three-boom Jumbos Putzmeister PM500 Robot TUNNEL EQUIPMENT Manitou MRT 1650 BUDGET Backhoe loader with hammer (EXCLUDING VAT) 93,951,423 € The branch measures a little over 4 miles (6.6 km). The project comprises the construction of two viaducts. The LOCATION first is over Boquerón Brook and measures 75 m in length, the second is over Campillo Brook and measures 90 m. AND There is also the construction of the 3,595 m long Santa Marina Tunnel, which includes two cut-and-cover tunnels ADDITIONAL INFORMATION measuring 215 m and 60 m each. This project also includes earth moving operations, 3 channels, drainage works and replacement of affected services. Type Project CONSTRUCTION DATA SHEET RAILWAY NEW BASQUE-COUNTRY RAIL NETWORK. TOLOSA SECTION Owner: Gobierno Vasco Project photos Start: 12/2009 Cross section: 85 m² STATUS GEOMETRY End: 11/2016 Lenght: 1,513 m + 1,453 m STRUCTURE Tunnels OVERBURDEN Medium METHOD NATM (Top-Heading and Bench). Drill and blast. COUNTRY Spain OF TUNNELING Mechanical excavation GEOLOGY AND PROVINCE Guipúzcoa