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Canada

Canada, Ontario - ca/11

Sheppard Subway - Metro

McNally-PCL-Foundation jv construction 6.4 km of twin tunnel with five stations to connect Yonge Subway with Don Mills Road. Two Lovat 5.9 m-diameter EPBs exceeded scheduled advance rates of 15 m/day/face in glacial deposits with boulders. 3.3 km west drives completed towards end-1998 and TBMs removed for minor refurbishment prior to starting east drives for completion end-1999. 5.2 m i.d. precast concrete lining in 1.4 m rings with 7 bolted gasketted segments including key, waterproof to 4 bar. Rings with left and right tapers are provided in equal numbers to facilitate both horizontal and vertical curves. March 1999.

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Chile

Chile, Atacama Region - cl/39

Mine

Zublin International GmbH Chile SpA secured a EUR170million three-year contract for the construction of a further 40 km of tunnels for the Candelaria Norte mine on behalf of their client Lundin Mining. The new contract also includes the loading and transport of more than 3 million tonnes of rock. The Candelaria Copper Mining Complex is located at an elevation of approximately 650 m above sea level and 20 km south of the city of Copiapo. Visit https://www.strabag.com and for further on the project https://lundinmining.com/. 22/22.

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Chile, Santiago - cl/38

Metro - Line 7

China Railway 16th Bureau Group Ltd secured the contract for the construction of the first of six sections of Santiago’s US $2.5bn metro Line 7, in the western sector of Santiago, located in the communes of Renca, Cerro Navia and in a part of Quinta Normal. The contract includes the construction of shafts, tunnels (6.6 km by TBM and 1.4 km by NATM) and 7 stations. The section 1 will be from Station n. 1 - located at the intersection of Av. Vicuña Mackenna with Av. Brasil - in the commune of Renca - to Station n.7 - located at the intersection of Av. Mapocho with Av. Walker Martínez - in Quinta Normal. Visit https://www.metro.cl . 47/21.

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Chile, Region V of Valparaiso - cl/37

Highway

The consortium Belfi Conpax Aura, composed of Belfi SA, ConPax SA and Aura Ingenieria SA, secured the EUR99,93 million (UF2.98 million) contract, for the concession of El Melon tunnel expansion project in Chile's central Valparaiso region. The El Melon tunnel project (retendered) involves the construction, maintenance and operation of highway infrastructure that will boost capacity and safety. Duration of the contract is 15 years. The main element, a new tunnel alongside the 2.5 km existing one between Quillota and Petorca provinces, will be linked to the existing tunnel by 5 bypasses (4 pedestrians and 1 for vehicles). The project also includes modernising and widening of the existing tunnel to meet current standards. For further information visit http://www.concesiones.cl/noticias/Paginas/DetalledeNoticias.aspx?item=344and http://diariooficial.urbans.cl/2016/06/diario-oficial-07-06-2016-pagina-19/. 25/16.

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Chile, Santiago - cl/36

Metro - Line 6

The consortium ETF (55 percent)/Colas (45 percent) secured the EUR150 million contract for construction and maintenance during 20 years of rail infrastructure (tracks and catenaries) for lines 3 and 6 of the metro system of Santiago, Chile. Work includes the installation of 75 km of electrified track (rigid overhead rail) in a tunnel, as well as 15 km of electrified track (conventional overhead lines) for two depots. Commissioning is scheduled for 2017 for line 6 and 2018 for line 3. The Lines 3 and 6 will be totally underground. Line 3 will be 22 km-long with 18 stations from Huechuraba in Quilicura municipality to Larrain in the Reina municipality. Line 6 will be 15.3 km-long with ten stations from Cerrillos to Los Leones. Visit www.metrosantiago.cl, www.eurovia.com and www.colas.com. 44/13.

In April, 2013 the Italian companies Impregilo (49 percent)/Salini (51 percent) secured the EUR120 million contract for construction of civil engineering works, shafts, galleries and tunnels, sections 1 and 2, Line 6, Santiago (Chile) Metro: 8,175 m with six stations. Visit www.salini.it. 18/13.

In June, 2013 the consortium Echeverria Izquierdo (Chile)/OSSA S.A.(Spain) secured the totally EUR126 million contracts for construction of civil engineering works, shafts, galleries and tunnels, section 3 (4,500 m) and 4 (2,700 m), Line 6, Santiago (Chile) Metro including four stations. Visit http://ossaint.com and http://www.echeverriaizquierdo.cl/. 26/13

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Chile, Santiago - cl/35

Metro - Line 3

The consortium ETF (55 percent)/Colas (45 percent) secured the EUR150 million contract for construction and maintenance during 20 years of rail infrastructure (tracks and catenaries) for lines 3 and 6 of the metro system of Santiago, Chile. Work includes the installation of 75 km of electrified track (rigid overhead rail) in a tunnel, as well as 15 km of electrified track (conventional overhead lines) for two depots. Commissioning is scheduled for 2017 for line 6 and 2018 for line 3. The Lines 3 and 6 will be totally underground. Line 3 will be 22 km-long with 18 stations from Huechuraba in Quilicura municipality to Larrain in the Reina municipality. Line 6 will be 15.3 km-long with ten stations from Cerrillos to Los Leones. Visit www.metrosantiago.cl, www.eurovia.com and www.colas.com. 44/13.

Isolux Corsan has been awarded the construction of section 3 of Line 3 of the Santiago de Chile Metro, a complex project requiring a 3.7 km tunnel excavated by NATM under the heart of the Chilean capital and crossing the Mapocho River to lead to Plaza de Armas. The project, with a planned investment of EUR75 million, will include the construction of the tunnel, three stations at Hospitales, Puente Cal y Canto and Plaza de Armas, five circular shafts, and two rectangular shafts over a period of 28 months. Click cl/35 for tunnelbuilder archive. Visit http://www.metrosantiago.cl and http://www.isoluxcorsan.com. 05/14.

The Consortium Ossa/Echeverría Izquierdo SA secured the EUR85 million contract for construction of tunnels, shafts and stations on the sections B (PK: -1.750,000 - PK: + 68,500 on the east side of Las Parcelas Shaft) and C (PK: -2.781,000 - PK: - 1.750,000., on the west side of Plaza de Quilicura Station) of the Santigo metro Line 3 extension. The metro Line 3 extension will be 3.8km long with 3 new stations. Visit https://www.metro.cl/minisitio/linea3y6/licitaciones, https://ossaint.com and http://ei.cl/. 49/18.

http://ei.cl/adjudicacion-importante-contrato-construccion-obras-civiles-piques-galerias-tuneles-estaciones-extension-linea-3-del-metro-santiago/

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Chile, Santiago Metropolitan Region - cl/34

Hydropower

The Chilean generator AES Gener has signed the final contract for the remaining excavation work in the Rio Yeso and Rio Volcan valleys for the Alto Maipo project with Constructora Nuevo Maipo, a consortium between Germany's Hochtief Solutions and Italy's CMC di Ravenna. Visit http://cmcgruppo.com and www.hochtief-solutions.com. 47/12.

Strabag SpA has awarded Pöyry with an engineering services assignment for the Alto Maipo hydropower project located in the Maipo river basin in Chile. The assignment includes a review of constructability and preliminary engineering, detail design and preparation of tender documents for hydromechanical and electrical works, operation & maintenance manuals and site supervision during installation and commissioning.

The Alto Maipo hydropower project consists of two run-of-the-river hydroelectric plants with a total capacity of 531 MW. Construction of the 267 MW Las Lajas plant and 264 MW Alfalfal II plant began in the fourth quarter, 2013. The plants are expected to be commissioned in 2019. Visit http://www.altomaipo.com/ and http://www.poyry.com. 06/17.

Alto Maipo SpA, a subsidiary of the Chilean-based AES Gener and the US-based AES Corporation, part of the Chilean tunnelling division of Strabag SE has secured a EUR385,2 million (USD 490 million) design and build contract for the majority of the tunneling and civil works of the Alto Maipo Hydroelectrical Power Plant, located 50 km southeast of Santiago, in the high Maipo River basin of the municipal district of San José de Maipo. This area is situated in the Andes close to the Argentinean border with peaks up to 6,500 m. The Alto Maipo project includes the two hydroelectric plants Alfalfal II and Las Lajas for a total of 531MW. 46.5km of tunnel and shafts will be excavated by drill and blast as well as by tunnel boring machines. The design and construction period starts in November 2012 and will last for about four and a half years. Visit www.strabag.com. 46/12.

Alto Maipo SpA, filial de AES Gener, con sede en Chile, y la estadounidense AES Corporation, parte de la división chilena de túneles de Strabag SE, ha obtenido un contrato de diseño y construcción de 385,2 millones de euros (USD 490 millones) para la mayoría de Los túneles y las obras civiles de la Central Hidroeléctrica de Alto Maipo, situada a 50 km al sureste de Santiago, en la cuenca alta del río Maipo del municipio de San José de Maipo. Esta zona está situada en los Andes cerca de la frontera argentina con picos de hasta 6.500 m. El proyecto de Alto Maipo incluye las dos centrales hidroeléctricas Alfalfal II y Las Lajas para un total de 531MW. Se excavarán 46,5km de túneles y ejes mediante perforación y chorro, así como por máquinas de perforación de túneles. El período de diseño y construcción comienza en noviembre de 2012 y durará aproximadamente cuatro años y medio. Visite www.strabag.com. 46/12.

In November 2012, Strabag announced it had been awarded the contract to build a part of the Alto Maipo hydropower complex 50 km southeast of Santiago de Chile. Difficult technical conditions and the withdrawal of a contractor led the client, AES Gener, to negotiate a new EUR800 million construction agreement with Strabag Spa of Chile for the Yeso/Volcan System construction section for the Alto Maipo hydropower complex. The agreement had been pending the bank financing and therefore became effective on 08.05.2018. The contract comprises the construction of tunnels with a total length of 73 km. The hydropower plant will have a total installed capacity of 530 MW. Visit http://www.strabag.com.19/18.

http://www.strabag.com=>http://www.strabag.com/databases/internet/_public/content.nsf/web/SE-PRESSE.COM-PRESSEMITTEILUNGEN-2018-STRABAG%20%C3%BCbernimmt%20weiteres%20Los%20beim%20Wasserkraftwerk%20Alto%20Maipo%20in%20Chile%20%E2%80%93%20Auftragszugang%20um%20%E2%82%AC%20800%20Mio.#?men1=6&men2=1&sid=600&l=EN

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Chile, Antofagasta Region - cl/33

Mine

The state-owned company Codelco approved an investment plan of EUR666.7 million in October, 2011 for underground construction at Chuquicamata open pit. Astaldi has been awarded a EUR118 million contract for the construction of the 7.5 km-long main access and the 6.2 km-long ore transport adit, with cross-passages and approximately 3.5 km of emergency and ventilation shafts. Construction starts March 2012, duration 41 months. For more on the project, click here. Visit www.codelco.cl and www.astaldi.com. 06/12.

The Austrian Strabag Group (50%) and a local partner (50%) secured the EUR100 million contract to build several tunnels to extend the life of Chuquicamata in the Atacama Desert, the world's largest copper mine, where output fell 40 percent in the first quarter to 60,000 t. Contract duration three years. Visit www.strabag.com. 29/12.

Astaldi Group has been awarded a EUR117 million contract for construction of 11 km of tunnels and additional works related to the existing Chuquicamata mining complex. Works will commence in May and have a duration of 26 months. The Corporacion Nacional del Cobre de Chile (CODELCO) envisages an investment plan totalling USD3.8 billion to convert the Chuquicamata mine, currently the largest open-air mine in the world, into an underground mine. Visit www.codelco.cl and www.astaldi.com. 16/13.

The Astaldi Group has been awarded by Codelco a new EUR 413 million (US$ 460 million) contract for the extension in Chile of the Chuquicamata Underground Mining Project. Chuquicamata is the world’s largest open-pit mine, and Codelco has a EUR 3.59 bn (US$ 4 billion) investment plan for its transformation into an underground mine. The new contract awarded to Astaldi will mean that they will be involved in the construction of 43 kms of tunnels, as well as carrying out an additional 165,000 m³ of underground excavations, and executing 4.6 km of vertical excavations. The works will start next September, and will last 51 months. For further information visit www.codelco.cl and www.astaldi.com. 22/16.

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Chile, Santiago - cl/32

Expressway

The Chilean Public Works Ministry (MOP) has introduced its preliminary design for two three-lane tunnels stretching 13 km to link Grecia Avenue in the south and El Salto Avenue in the north in the eastern part of Santiago, completing the city's beltway. The project, known as Americo Vespucio Oriente (AVO), will reach 40 m-deep, will cross seven communes and will cost EUR1.3 billion (US$1.9 billion). Chile's public works ministry (MOP) is planning to begin the bidding process by the second quarter of 2012. MOP has prequalified ten consortia to build and operate the highway. Technical bids expected by July, 2013 and concession award by end-2013 with construction starting in 2014. Click here for the map of the planned Vespucio Oriente tollroad. Visit www.mop.cl. 44/11.

Chile's public works ministry (MOP) postponed to 31.01.2013 the tender call for the concession of the EUR1.3 billion (US$1.9 billion) Americo Vespucio Oriente (AVO) in Santiago. The two three-lane tunnels stretching 13 km will link Grecia Avenue in the south and El Salto Avenue in the north in the eastern part of Santiago, completing the city's beltway. Contact Luis Diaz at Project Development and Tender Division, Ministry of Public Works, tel +56 22449 6813, e-mail luis.diaz.g@mop.gov.cl. For more click here and visit www.mop.cl. 01/13.

OHL Concessions and Sacyr Concessions have submitted the best proposal for the construction and concession of Santiago de Chile's Americo Vespucio Oriente urban highway (AVO), which has a budget of EUR710 million. The project comprises building and operating this 9.3 km urban highway, large sections of which will have three lanes in each direction. Some of the more prominent work among the primary projects on this highway, which will stretch across five Chilean communes (La Reina, Las Condes, Vitacura, Recoleta and Huechuraba), include the tunnel under the San Cristobal hill and Mapocho river, improvements to the pre-existing surface roadways in La Piramide, and two underwater carriageways from the south side of the Centenario bridge to Príncipe de Gales. Visit http://www.mop.cl/Prensa/Paginas/DetalleDestacadas-portadillanoticias.aspx?item=1429 and http://www.ohl.es/plantillas/grid7detalle.aspx?IdF=290&IdL=281&IdC=3850&idM=595&nvl=1&lan=en. 05/14.

Abertis has announced that Autopista Central, a subsidiary of the holding group VíasChile has signed a EUR300million contract with the Chilean Ministry of Public Works (MOP). The project involves the construction of the tunnel Lo Ruiz, which will be a twin tube one-way tunnel with each tube 1.5 km long. These will connect territories within the metropolitan area of Santiago de Chile (interchange between the General Velásquez stretch of Autopista Central and Américo Vespucio Norte portion of Santiago ring road). The project will aim to decongest the Metropolitan Area of Santiago de Chile. The works will begin in the first half of 2022 and are expected to last for 40 months. Autopista Central, a concession that currently manages 62 Km in the North-South axle of Santiago de Chile metropolitan area until 2032, is the toll road with the largest traffic volume in the country and is one of the 6 concessions of Abertis’ portfolio in Chile. As part of this agreement, there will be an extension of 20 months for this concession. Visit https://www.abertis.com/en/press-room/press-releases/1061. 41/21.

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Chile, VI Region del Libertador General Bernardo O'Higgins - cl/31

Mine

Codelco, the country's national copper company, awarded French consortium Vinci Construction Grands Projets (60%) and Soletanche Bachy (40%) the EUR292 million contract to design and build two 9 km-long parallel tunnels in El Teniente Mine in Chile. Drill/blast will be employed for an average cross section of 65 sq m. The project includes two intermediate access tunnels, totalling 6 km. Work starts in October, 2011 and will take 40 months. Visit www.vinci.com. 39/11.

Codelco (Corporacion Nacional del Cobre de Chile) awarded to Astaldi Group the construction (first phase works) of the Recursos Norte Mining Project (El Teniente Division). The value of the contract is EUR 73 million (CLP 53.4 billion), with a possible increase up to a maximum additional amount of EUR 85 million. The works, to be performed in various phases by the end of 2022, are part of the project for the underground development of the El Teniente copper mine, stretching between elevations of 1,500 and 1,900 m in the Andes, 80 km south of Santiago de Chile. The phase-one works involve designing and building 2 tunnels – one for access, the other to transport materials - totalling 5 km in length; additional works are also planned for EUR 42 million, to be activated at the Customer’s request.

The phase-two works, valued at EUR 43 million, refer to building an additional 2.6 km of access tunnel. The activities are slated to begin within the first half of 2018. Visit http://www.astaldi.com and https://www.codelco.com. 20/18.

http://www.astaldi.com/en/press-releases/astaldi-new-orders-totalling-eur-193-million-americas

Zublin International GmbH Chile SpA secured a EUR113million new two-year contract including, among other things, the development of a 13.4km tunnel system on different levels, 1,503 m of vertical shafts, and other infrastructure work at the El Teniente copper mine, belonging to Corporación Nacional del Cobre (CODELCO) for further information please visit https://www.strabag.com. 22/22.

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