Italy – Mondovì Bypass (San Lorenzo Tunnel), Liguria

Client / Awarding Authority:
ANAS S.p.A., Rome

Winning Contractor(s):
Consortium:

• Cossi Costruzioni (Italy, lead)
• Webuild SpA (Italy)

Supporting services:

• Lombardi Ingegneria Srl (environmental monitoring)
• Akron Srl (geotechnical and structural monitoring)
• Servizi Industriali Genova S.I.Ge. Srl (laboratory services)

Project Scope:
Construction of the Mondovì bypass (Lot III), providing a new connection between SS 28 Dir. 564 and the A6 Torino–Savona motorway. Works include road construction, tunnelling, and bridge structures.

Tunnel Characteristics:

• San Lorenzo tunnel: approx. 1.4 km (road tunnel)
• Additional cut-and-cover tunnel sections

Contract Value:
EUR 117.37 million

Duration:
Not specified

Location:
Liguria, Italy

Further Information:
https://www.stradeanas.it/
https://www.webuildgroup.com/

Ref.: TO 05/25. 12/26

Poland – Railway Line No. 104 (Tymbark–Limanowa Section C1)

Client / Awarding Authority:
PKP Polskie Linie Kolejowe SA, Warsaw

Winning Contractor(s):
Consortium:

• Gulermak SA (Leader, Poland)
• INTOP SA (Partner, Poland)

Project Scope:
Design and construction of Section C1 Tymbark–Limanowa as part of a wider railway development programme. Works include the construction of new railway infrastructure, track installation, and associated civil engineering works.

Tunnel Characteristics:

• Approx. 2 km railway tunnel between Tymbark and Koszary
• Part of a 14 km new railway alignment

Contract Value:
EUR 310.01 million (PLN 1.33 billion)

Duration:
Not specified

Location:
Lesser Poland region, Poland

Further Information:
https://ted.europa.eu/it/notice/-/detail/191481-2026

Ref.: 090/IRZR1/00635/00375/25/P. 13/26

Slovenia – Velenje Expressway (3rd Development Axis, Section A)

Client / Awarding Authority:
DARS, Celje

Winning Contractor(s):
Consortium:

• POMGRAD d.d. (Slovenia)
• STRABAG AG (Austria / Slovenia)

Project Scope:
Construction of a section of the 3rd development axis north expressway between Velenje South and Slovenj Gradec South interchanges. Works include new road infrastructure, earthworks, and underground sections.

Tunnel Characteristics:

• 1,120 m cut-and-cover tunnel
• Associated trenches and underground structures

Contract Value:
EUR 193.85 million

Duration:
Not specified

Location:
Carinthia–Savinja region, Slovenia

Further Information:
https://ted.europa.eu/it/notice/-/detail/194281-2026
https://newsroom.strabag.com/en/press-releases

Ref.: JN-43183. 13/26

Belgium – Tunnel Pavement Maintenance (Lot 1)

Client / Awarding Authority:
Vlaamse Overheid (Flemish Government), Brussels

Winning Contractor(s):
Willemen Infra (Belgium)

Project Scope:
The contract covers structural maintenance works to tunnel pavements and associated access ramps. Works include the replacement of road pavement and related infrastructure systems within tunnel environments and on connecting ramps.

Tunnel Characteristics:
Existing road tunnels (length not specified), including internal carriageway and ramp sections.

Contract Value:
EUR 4.44 million

Duration:
Not specified

Location:
Belgium (national)

Further Information:
https://ted.europa.eu/it/notice/-/detail/126893-2026

Ref.: TO/INV/2025/2. 14/26

Newtown Creek CSO Storage Tunnel

Client / Awarding Authority
New York City Department of Environmental Protection (NYCDEP), USA.
https://www.nyc.gov/site/dep/water/newtown-creek.page

Winning Contractor(s)
Newtown Creek CSO Partners JV (USA): AECOM, Parsons Corporation, and EPC Consultants Inc.

Project Scope
Contract awarded for construction management and oversight of the Newtown Creek combined sewer overflow (CSO) tunnel programme. The scope covers supervision of major underground works forming part of New York City’s long-term wastewater and environmental improvement strategy.

The project includes construction oversight of a deep rock tunnel system and associated infrastructure designed to intercept, store and convey combined sewer overflows during storm events. Key elements comprise a large-diameter storage tunnel, a dewatering pump station, and multiple connection structures linking to the existing wastewater treatment network serving Brooklyn and Queens.

The scheme is part of a wider programme to reduce pollution into Newtown Creek, a designated Superfund site, and to enhance resilience of the city’s ageing sewer system under increasing rainfall and regulatory requirements.
https://www.epa.gov/superfund/newtown-creek

Tunnel Characteristics

• Deep wastewater storage and conveyance tunnel
• Length: approximately 5.2 km (3.25 miles)
• Large-diameter TBM-excavated tunnel (typical for CSO systems)
• Designed storage capacity: approx. 189,000 m³ (50 million gallons)
• Includes shafts, connection adits and pumping infrastructure

Contract Value
Not disclosed.

Duration
Programme works expected to extend into the early 2030s (construction and commissioning phases).

Location
Brooklyn and Queens, New York City, USA. 12/26.

RFI Engineering Services Framework (Lot 11 – Rome)

Client / Awarding Authority
Rete Ferroviaria Italiana SpA (RFI), Rome, Italy. Tel: +39 06 47308846, Email: RFI-DAC.ASI@pec.rfi.it.

Winning Contractor(s)
Temporary consortium (Italy): VIA INGEGNERIA S.r.l., NET ENGINEERING S.r.l., SINTAGMA S.r.l., PROGIN S.p.A., AMBIENTE S.r.l., GEOSERVIZI S.r.l., STUDIO TECNICO ENVICOM ASSOCIATI, SETEGET S.r.l., MER MEC ENGINEERING S.r.l., TECNOGEO S.n.c., SONGEO S.r.l., COGER DI CORONELLA GENNARO S.r.l.

Project Scope
Framework contract (Lot 11 – Rome) for engineering services, investigations, surveys and associated works supporting feasibility and detailed design for railway infrastructure.

The scope includes technical and economic feasibility studies, detailed and executive design, geotechnical and topographic surveys, and specialist services related to railway alignments, civil works, tunnels and associated installations within the RFI network.

Tunnel Characteristics

• Applicable to multiple railway tunnel assets across the national network
• Includes design and investigation of new and existing tunnels
• Covers civil, geotechnical and structural aspects of underground works

Contract Value
€21.41 million.

Duration
Not stated.

Location
Italy (Lot 11 – Rome area, national framework).

Further information:
https://ted.europa.eu/en/notice/-/detail/160069-2026, OJ S 047, Ref. no. DAC.0310.2023. 12/26.

FGC Network Tunnel Inspection Services Extension

Client / Awarding Authority
Ferrocarrils de la Generalitat de Catalunya (FGC), Barcelona, Spain. Tel: +34 933663000, Email: contractacio@fgc.cat.

Winning Contractor(s)
Euro Geotecnica SA, Sant Cugat del Vallès, Spain.

Project Scope
Extension of contract for inspection services and preparation of structural condition reports for tunnels across the FGC railway network. The scope covers lines Barcelona–Vallès and Llobregat–Anoia, as well as rack railway systems to Núria (Ribes–Núria) and Montserrat.

Services include periodic inspections, condition assessment of tunnel linings and structures, and reporting to support maintenance planning and operational safety.

Tunnel Characteristics

• Multiple railway tunnels across suburban and mountain lines
• Includes conventional rail and rack railway tunnels
• Mix of urban underground sections and mountain tunnels

Contract Value
€64,664.60 (excluding VAT).

Duration
27 March 2026 to 26 March 2027.

Location
Catalonia, Spain.

Further information:
https://ted.europa.eu/en/notice/-/detail/160934-2026, OJ S 047, Ref. no. PRO/2026/032. 12/26.

Bergensbanen and Sørlandsbanen Tunnel Maintenance Framework

Client / Awarding Authority
Bane NOR SF, Hamar, Norway. Contact: Jon-Petter Kristiansen, Tel: +47 22 45 50 00, Email: Jon-Petter.Kristiansen@banenor.no.

Winning Contractor(s)
Mesta AS, Lysaker, Norway.

Project Scope
Framework contract (Lot 1 – B2) for maintenance and safety works in railway tunnels on the Bergen Line (Bergensbanen) and Sørlandet Line (Sørlandsbanen).

The scope includes tunnel inspection, structural stabilisation measures, water ingress control, frost protection, and general maintenance of tunnel infrastructure. The works support continued safe operation of long-distance rail corridors crossing mountainous terrain and include interventions in multiple existing tunnels along both lines.

Tunnel Characteristics

• Multiple railway tunnels across two main lines
• Drill-and-blast constructed tunnels through hard rock
• Includes ageing infrastructure requiring stabilisation and waterproofing
• Located in high-altitude and harsh climatic environments

Contract Value
€31.44 million (NOK 350 million).

Location
Vestland and Buskerud regions, Norway.

Further information:
https://ted.europa.eu/en/notice/-/detail/174478-2026, OJ S 051, Ref. no. 202510228. 12/26.

N13 Mappo-Morettina Tunnel Lighting Upgrade

Client / Awarding Authority
Federal Roads Office (FEDRO/ASTRA), Bellinzona, Switzerland. Tel: +41 58 469 68 11, Email: acquistipubblici@astra.admin.ch.

Winning Contractor(s)
Kummler+Matter EVT AG, Zurich, Switzerland.

Project Scope
Contract for renewal of cabling systems and electrical units associated with the tunnel lighting installation in the Mappo-Morettina tunnel (Lot 8220). The works form part of ongoing upgrades to tunnel operational safety systems on the N13 national road, including replacement of ageing electrical infrastructure, improved energy efficiency, and compliance with current Swiss tunnel safety standards.

Tunnel Characteristics

• Road tunnel, length 5,518 m
• Part of the N13 route linking Locarno to the A2 motorway
• Single-tube tunnel with bidirectional traffic
• Equipped with modern safety systems including lighting, ventilation and monitoring installations

Contract Value
€1.95 million (CHF 1.77 million).

Location
Canton Ticino / Canton Graubünden, Switzerland.

Further information:
https://ted.europa.eu/en/notice/-/detail/166133-2026, OJ S 048, Ref. no. MP-190102.

Asia – Downtown Line 2 Extension (DTL2e) Tunnels, Singapore

Client / Awarding Authority
Land Transport Authority (LTA), Singapore

Winning Contractor(s)
China Railway Tunnel Group Co. Ltd. (Singapore Branch), Singapore / China

Project Scope
Design and construction of twin bored running tunnels forming part of the Downtown Line 2 Extension (DTL2e), connecting the existing Bukit Panjang station to the future DE1 station.

Works include tunnelling beneath Woodlands Road and major existing infrastructure, including the Kranji Expressway (KJE) flyover, within a constrained urban environment adjacent to operational railway assets.

The scope also requires coordination with the Downtown Line operator (SBS Transit) and relevant authorities, with critical activities scheduled during non-operational hours. Real-time monitoring of ground movement and structural behaviour will be implemented, alongside safety measures to protect existing infrastructure.

Tunnel Characteristics

• Type: Twin bored rail tunnels
• Length: Approximately 2 × 1.8 km
• Alignment: Beneath Woodlands Road and KJE flyover
• Key features:
• Construction in close proximity to live rail infrastructure
• Limited working space near Bukit Panjang station
• Real-time ground and structural monitoring systems
• Staged construction to minimise operational disruption

Contract Value
Approximately S$199 million (≈ £117 million)

Duration
Construction scheduled to commence Q3 2026; overall DTL2e operations targeted for 2035

Location
Singapore, between Bukit Panjang and Sungei Kadut (north-west region)

For further information please see the Tunnelbuilder archive and visit:
https://www.lta.gov.sg/content/ltagov/en/newsroom/2026/3/news-releases/lta-awards-final-civil-contract-for-the-downtown-line-2-extensio.html 11/26