Tunnels Underground works October 2020 Experience Tunnels and

Tunnels & Underground works October 2020

Experience Tunnels and Underground Works Experience § Strong in-house tunnel expertise and capabilities § Involvement in over 100 km of tunnels a year for the last 10 years § Feasibility studies, preliminary design, final design, tender design and construction supervision § In dense urban areas below buildings, rivers and infrastructure § Conventional tunnels: SEM, NATM, Belgian method, Drill & Blast, Road-headers, Cut & Cover § In all types of ground conditions, soil and rock, with high water pressures § Underground smart space using MEP & ITS engineering § Risk assessment & mitigation measures § TBM tunnels: Shield, Double shield, EPB, Slurry § 3 D BIM modelling Over the last 15 years, TYPSA has been involved in the design and construction of: 1, 800 km of tunnel n more than 100 km of tunnel per year n 850 km of TBM tunnel n 470 km of urban transportation tunnels 350 tunnels n 36 countries

Tunnels and Underground Works Practice areas Areas of activity Roads, railways & metros. Airports, ports & coastal engineering. Hydraulic works: dams, canals & pipelines. Urban development, buildings & architectural work. § Energy (thermo electric power plants, wind turbines). § §

Tunnels and Underground Works Multidisciplinary teams Teams sharing capabilities and § § § § expertise in tunelling Geological - Geotechnics - Hydrogeology. Alignment. Structural. Architectural - Urban development. MEP & ITS engineering. Environment. 2 D and 3 D modelling and design.

Tunnels and Underground Works Capabilities Type of underground work and construction systems § Tunnels, galleries, cross audits, large caverns. § Deep and shallow shafts. § Nozzles, portals, junctions, soft eyes. § Temporary support design / Final lining design.

Tunnels and Underground Works Capabilities Shared 3 D models in tunelling design § Integrated geometrical 3 D design. § BIM in tunnelling: REVIT - ACAD 3 D - CIVIL 3 D. Stockholm metro to Nacka-Sofia station (2015 -2016)

Tunnels and Underground Works Capabilities Risk assessment and mitigation measures Risk assessment. Evaluation of geotechnical and tunnelling conditions. TBM requirements. Proactive planning and execution of the TBM tunnel drive and risk reduction (public impact, cost & schedule impact reduction). § Mitigation measures. § §

Tunnels and Underground Works Capabilities Specific TBM studies § Technical advisiory and support in the TBM selection process. § Wide experience covers any type of TBM and diameter: Earth Pressure Balanced (EPB) / slurry-shield / double shield. § Single shield / multimodal TBM / microtunnelling. § Mechanical specifications: thrust force, torque, break out reserve. § Machine anticipated performance: excavation, advance, penetration & progress rates. § EPB mode: anticipated pressure at face estimation. § Cutting head, cutting tools and wear rates. § Debris / muck haulage system. § Face support conditions. § Analysis of volume loss. § Settlement evaluation.

Tunnels and Underground Works Capabilities Lining design § § § and construction strategies and optimisation Design of final lining system either CIP / Precast segmental lining. Design of all the civil works associated to TBM tunnels. Launching shafts and ancillary elements. Launching galleries. Special measures and ground treatment during break-in and break-out operations. Time-space programmes.

Tunnels and Underground Works Capabilities Expertise § § § in several tunnel construction methods SEM (Sequential Excavation Method) / classical methods / mechanical drilling / cutting / cut & cover. Drill and blast / roadheaders / Tunnel Boring Machines (TBMs) / New Austrian Tunnelling Method (NATM) / SCL. ADECO-RS / immersed tunnels. Special methods (tunnel jacking, etc. ). Overlapped forepoling. M-30 - By-pass Sur (Madrid) Perthus tunnel - High Speed Line

Tunnels and Underground Works Capabilities Subsidence analisys § § Data collection. Analysis of volume loss. Excavation induced settlement analysis. Risk assessment. and risk assessment § Trigger and alert values assets. § Mitigation measures. § Monitoring. Dublin metronorth - Tender design

Tunnels and Underground Works Capabilities Ground treatment and ground improvement § Ground treatment: design & control / compensation grouting. § Permeation grouting / dynamic compaction / stone columns. § Jet-grouting / vibro-compaction / preloading. § Deep soil mixing. § Ground freezing. Grouting and ground freezing - Hudson express crossing - Tender design

Tunnels and Underground Works Capabilities Hydrogeology - Groundwater conditions § Hydro-geological studies. § Analytical and numerical modelling. § Seepage analysis. § Drainage - waterproofing. § Sensitivity analysis. § Mitigation measures.

Tunnels and Underground Works Capabilities Numerical modelling in tunelling and underground works § 2 D / and 3 D EF and DF codes (FLAC, ANSYS, MIDAS-GTS, PLAXIS, PHASE, …). § Excavation induced settlement analysis. § Ground treatment. Soil consolidation effects. § Stress-strain numerical analysis (finite elements and finite differences). § Seepage analysis in porous materials. § Slope stability analysis: soils & rock masses. § Dynamic analysis: seismic effects.

Tunnels and Underground Works Capabilities Expertise in design of MEP & ITS § Ventilation systems. § Supply and power distribution. § Fire fighting and fire alarm systems. in tunnelling and underground works § Security, access control and intrusion detection systems. § Safety, communication and management in operations. § Intelligent transport systems.

Tunnels and Underground Works Tunnelling associations Presence in national and international associations

Tunnels and Underground Works Tunnels references

Tunnels and Underground Works Tunnels References United Kingdom HS 2 high speed rail line. London - Birmingham Skanska-Costain-Strabag Consortium Preliminary and detailed design of lots S 1 and S 2. Inclusion of numerous sustainability aspects during design and commitment to a 50% reduction of the carbon footprint during construction. § Phase 1: Lots S 1 (Euston Tunnels and approaches) and S 2 (Northolt Tunnels). A total of 24. 4 km all within London. Maximum speed of 320 km/hour. BREEAM Infrastructure Scheme Certificate achieved with ‘Excellent’ rating. § 22. 2 km of tunnel including: - 20. 8 km of twin-tube TBM tunnel (7. 2 km with an inner diameter of 7. 55 m; 5. 5 km with an inner diameter of 8. 10 m; and 8. 1 km with an inner diameter of 8. 80 m). - 0. 8 km SCL (Sprayed Concrete Lining) tunnel with internal diameters ranging up to 15. 2 m. - 0. 6 km in cut and cover tunnel with spans up to 30 m. § 2. 2 km above ground with 2 under bridges and 3 over bridges, two over the Euston station approaches, 120 m long. § 6 ventilation and intervention shafts and 1 evacuation shaft up to 45 metres deep. § Bentley Year in Infrastructure 2018 Award. Best project in the Going Digital: Advancements in Rail and Transit category.

Tunnels and Underground Works Tunnels References United Kingdom HS 2 high speed rail line. Birmingham - Leeds HS 2 Ltd Preliminary design and environmental impact assessments. § New high speed line to connect Birmingham with Leeds. Maximum speed of 400 km/hour. § Phase 2 b - Lot 3 (Tibshelf - Leeds): - Total length of 112 km. - Connections to existing conventional rail network (East and West Coast Main Lines; Northern Powerhouse Rail; Midland Main Line). - 1 cut-and-cover tunnel. - 1 TBM bored tunnel 1. 15 km long with an internal diameter of 7. 55 m. - 3 SCL (Sprayed Concrete Lining) cross passages.

Tunnels and Underground Works Tunnels References Tunnel under Trujillo Bridge. Yellow Line OAS Detailed design and on-site engineering services. § § § § Cut-and-cover section 1800 m long under the River Rimac riverbed, comprising a double concrete-box 27 m wide and 7 m high. High seismic area, PGA = 0, 52·g, underground seismic behavior analysis. The tunnel crosses under the Trujillo bridge, a 17 th-century masonry arch structure, where heavy lifting hydraulic jacks up to 7. 000 tons. Construction method: excavation with slope containment and bottom-up construction of the structure. Geology: Lima gravel. Budget: USD 100 million. International Project of the Year on the Ground Engineering Awards 2019 UK. Lima, Peru

Tunnels and Underground Works Tunnels References Madrid-Segovia, Spain AP-6 Highway. Toll Section: Valle de los Caídos Bypass - San Rafael Castellana de Autopistas S. A. C. E. (Abertis Group) Preliminary design, final design and construction supervision. § § New third carriageway 13 km long and updating of the current carriageways. New third thee-line tunnel 3. 2 km long connecting to the two existing tunnels thanks to 14 escape galleries (2, 300 m). Updating (utilities and installations) of 2 existing tunnels (one of them operating in reversible system). Budget: USD 180 million. § Special Mention in the Spanish Institution of Civil Engineering Madrid Chapter Awards 2010.

Tunnels and Underground Works Tunnels References South Pan-American Expressway Norberto Odebrecht Study of alternatives, preliminary and detailed design, including geological and geotechnical studies. § § § 54. 4 km of highway through metropolitan districts. Design for the remodeling of 5 high-capacity urban interchanges. Design of the widening and/or remodeling of carriageways and slip roads. Refurbishment and design of new bridges, viaducts, new urban tunnels, walls, pedestrian footbridges, design of signs and affected utilities. Benavides tunnel: 800 m urban cut-and-cover tunnel. Budget: USD 167 million. Lima, Peru

Tunnels and Underground Works Tunnels References Underground section of the M-30 Ringroad Madrid City Council Preliminary and detailed design. § § Total length of the underground section: 14. 6 km. Urban tunnel, construction method: EPB type TBM. Excavation with a tunnel-boring machine of 15. 12 m external diameter. Investment budget: EUR 1, 279 million. § FIDIC Outstanding Project of the Year Award 2014. Madrid, Spain

Tunnels and Underground Works Tunnels References New M-61 Ringroad (North closure of the M-50) MINTRA (Comunidad de Madrid Road Directorate) Feasibility study and preliminary design. Environmental impact assessment (main environmental constrictions). § § § Urban ring road 34 km long. Project speed = 100 km/h. Total length of the underground section: 17 km. Total length of “El Pardo” tunnel: 11 km. 15 m in exterior diameter excavated with TBM system. 7 interchanges. Investment budget: EUR 2, 400 million. Madrid, Spain

Tunnels and Underground Works Tunnels References Mexico D. F. , Mexico Polanco-Santa Fe urban tunnel FCC Construcción Tender design, subsidence analysis and ground treatment measures to protect buildings and skyscrapers in Avda. de Reforma. § § § 7. 6 km twin 12. 7 m OD urban tunnel. Volcanic soils and rocks. Subsidence analysis and ground treatment. Compensation and permeation grouting. Risk management for building (some 20 levels). Design cost: USD 2 million.

Tunnels and Underground Works Tunnels References Spain - France Madrid - Zaragoza - Barcelona - France high speed railway line (Design)* ADIF and TP Ferro Technical assistance, design, construction supervision and operation of the Figueres-Perpignan international section. § § Detailed design of sections: Madrid - Zaragoza VII; Lleida - Martorell VIII; Cam Bargalló – NII; St. Juliá Ramis - Pontós (40 km). Design for the UIC gauge link between Atocha and Chamartin stations (8. 3 km). Preliminary design of La Sagrera - Nudo de La Trinidad. Detailed design of Alt Empordá Station.

Tunnels and Underground Works Tunnels References Spain - France Madrid - Zaragoza - Barcelona - France high speed railway line (Construction supervision)* ADIF and TP Ferro Technical assistance, design, construction supervision and operation of the Figueres-Perpignan international section. § Construction supervision on sections: Madrid-Zaragoza VII, Lleida-Martorell VIII, Cam Bargalló-NII and Mollet-La Roca (38 km). § Construction supervision of the UIC gauge link between Atocha and Chamartin stations (8. 3 km). § Supervision of the installation of supplementary equipment for water supply, energy and detection systems on the Madrid - Puigverd de Lleida section (450 km).

Tunnels and Underground Works Tunnels References Madrid, Spain High speed rail link between Atocha and Chamartín stations ADIF Preliminary design, detailed design and works supervision. § 7 km double-track urban tunnel, excavated with an 11. 5 m diameter TBM, crossing 8 metro lines, 4 existing railway tunnels, and emblematic buildings and structures such as the Puerta de Alcalá. Only high-speed rail tunnel in the world that runs under a major city centre. 9 shafts. 3 emergency exits. § Geology: pre-consolidated sandy Tertiary soils showing a presence of water, alluvial channels and anthropogenic fill. § Construction budget: EUR 285 million.

Tunnels and Underground Works Tunnels References Túnel under the Strait of Gibraltar Update studies for preliminary design § § Length of tunnel: 42. 7 km (28 km under the sea). Two tubes + emergency & service gallery. Tunnel (200 m under sea level) in extremely adverse geotechnical conditions. Two terminals (Spain and Morocco). Morocco - Spain

Tunnels and Underground Works Tunnels References Lowari, Pakistan Lowari road tunnel National Highway Authority Detailed design review, technical support during the tendering and awarding process, construction supervision and capacity building plan. § § § Road link in the Lowari Chitral pass through an 8. 6 km. Single-tube horseshoe tunnel with an excavated width of 7. 6 m and height of 7 m. Construction method: New Austrian Tunneling Method (NATM). 40 km of access roads. Construction budget: EUR 110 million.

Tunnels and Underground Works Tunnels References Riyadh, Saudi Arabia Riyadh Metro. Lines 4, 5 and 6 FAST Consortium – Metro Riyadh Alliance Preliminary design and detailed design for D&B contract. Structures, M&E, architecture, civil works and landscaping. Coordination of the geotechnical and tunnel design of the three lines. Environmental integration under Saudi environmental legislation, and in accordance with the recommendations of the corresponding Environmental Impact Assessment. Noise and vibration study, and final design of mitigation measures. § Lines 4, 5 and 6. Project length: 65 km. 11 underground stations and 17 at-grade stations. 2 depots. 26. 6 km of tunnel. § Line 5: 13. 2 km, with 12 km of single tube tunnel excavated with TBM, 860 m of C&C tunnel, 11 deeps underground stations, 11 ancillary shafts, connections with lines 1 and 2 and an underground depot with 260 m in width and 400 m in length. § Construction method: EPB TBM with rock capabilities and 10 m of excavation diameter. § Geology: Limestones, breccia and calcarenite with karst development. Anthropogenic fill and paleostreams filled with granular water bearing soil. § Construction budget: EUR 7, 800 million

Tunnels and Underground Works Tunnels References Quito, Ecuador Quito Metro Madrid Project coordination of the first metro line in Quito (Ecuador) for Metro de Madrid. Final design of KP 3+000 to KP 13+060 section. § § Total length: 22 km. 15 stations. 2 multimodal stations. Maintenance facilities.

Tunnels and Underground Works Tunnels References Madrid Metro Network Metro Madrid Studies, designs and/or construction supervisión. § § Between 1969 and 1995, services were provided for 100% of the lines and stations. Between 1995 and 2011, services were provided for 63% of the lines and 46% of the stations. Services provided for more than 165 km and 112 stations. According to the World Bank, Madrid Metro is one of the most efficient in the world. Madrid, Spain

Tunnels and Underground Works Tunnels References Barcelona Metro Network Catalonia Regional Government Preliminary design, detailed design and works supervision. § TYPSA has participated in the design and/or construction of: - 80 stations. - More than 100 km of lines. Barcelona, Spain

Tunnels and Underground Works Tunnels References Stockholm, Sweden Stockholm Metro Förvaltning för Utbyggd Tunnelbana (FUT) Preliminary and detailed design; geotechnics, structures, electromechanical and railway systems (telecommunications, signalling and third rail), architecture, civil works, environmental consulting and vertical transportation. § § 11 km of underground line in a tunnel under Saltsjön ea from ungsträdgården o Nacka and ullmarsplan. 7 new underground stations, up to 100 metres deep. Construction method: drilling and blasting with rock treatment (pre-grouting) to reduce water flow into the tunnel. Geology: predominantly healthy granite substrate (RCS > 100 MPa) Occasional glacial deposits. Budget: EUR 1, 300 million.

Tunnels and Underground Works Tunnels References Republic of Macedonia New railway section Kicevo-Border with Republic of Albania (part of European Corridor VIII) Ministry of Transport and Communications. Project funded by the European Union. Detailed design and tender documentation for construction. § New Railway 60 km. § 10 new tunnels (lengths between 150 -5600 m). NATM (New Austrian Tunnel Method). § Design period 2014 -2016.

Tunnels and Underground Works Tunnels References Lima, Peru Lima Metro. Lines 2 and 4 Proinversión / Construction Consortium Detailed design of the infrastructure, M&E and auxiliary works. § § § New lines 2 and 4 and connecting interchange station. 14 km long in total with 14 Cut-and-cover underground stations. Station serving the International Airport. Double-track monotube tunnel. Geology: submerged Lima gravel. Construction method: multimode TBM (Slurry / EPB) with 10. 20 m outer diameter. Stations and shafts with retaining walls. Budget: EUR 3, 900 million.

Tunnels and Underground Works Tunnels References Madrid-Segovia, Spain Guadarrama High Speed Railway tunnels ADIF (Spanish Railway Infrastructure Administrator) Technical support and construction works supervision. § § § § New rail access to north and north-western Spain comprising a 30 km twin-tube tunnel. TYPSA worked on the 15 km in Lot 1 (south portal, west tunnel). Lot 1: Double-shield TBM excavated tunnel 15 km in length. Maximum overburden of 992 m, with cross galleries every 250 m. Excavation cross-section: 9. 200 mm. Tunnel lining: segmental ring 8. 500 mm inner diameter. Slab track. Geology: Glandular orthogneiss, meta-sediments, granitic plutonic rock. Several sets of faults. Budget: EUR 512 million.

Tunnels and Underground Works Tunnels References Metro North Dublin FCC Construcción, S. L. Tender design. § PPP Project. § Base solution tender design and three alternatives for 17 kilometers, 9 stations and 6 stops. § TBM – EPB, cut and cover sections in stations. Cavern 25 m wide at one station excavated by NATM. Dublin, Ireland

Tunnels and Underground Works Tunnels References SR-99 Alaskan way viaduct replacement tunnel FCC Construcción, S. L. Tender design. § Single tube tunnel 2. 7 km in length. § World record diameter for a TBM tunnel: 17. 5 m. § Excavation in glacier till under Seattle Downtown – Pressurized TBM. Seattle, Washington, USA

Tunnels and Underground Works Tunnels References Arroyofresno storm water tank and tunnel Madrid City Council Detailed design and construction supervision. § § § 400, 000 m 3 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 m 3/s. Underground car park with 250 spaces. Construction budget: EUR 106 million. Madrid, Spain

Tunnels and Underground Works Tunnels References Spain - France Perthus tunnel. High Speed Line Spain-France TP FERRO Preliminary design for the construction, operation and maintenance of the PPP Project. Final design supervision and works supervision for the Concessionaire. § § § 8. 4 km single track double bore tunnels. 11 viaducts (3, 500 m). Track and electrification. ERTMS Level 1 and 2 signalling (ERTMS/ETCS). Telecommunications (GSM-R) and traffic management (ERTMS/ETML). Budget: EUR 914 million.

Your Consultin Group g October 2020