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

Czech Republic: Modernisation contract awarded for Hradčanská station on Prague Metro Line A

Client / Awarding Authority
Dopravní podnik hl. m. Prahy (DPP), Prague, Czech Republic

Winning Contractor(s)

• Metrostav CZ s.r.o. (Czech Republic), Prague
• GEOSAN GROUP a.s. (Czech Republic), Kolín

Project Scope
DPP has awarded a contract for the replacement of escalators and modernisation works at Hradčanská underground station and the associated Hradčanská electrical substation on Line A of the Prague Metro.

The works include removal and installation of new escalator systems serving the station platforms, refurbishment and upgrading of station infrastructure, and modernisation of the electrical substation supplying traction and station power systems. The project forms part of ongoing upgrades to improve reliability and operational performance of the Prague Metro network.

Further information:
https://ted.europa.eu/en/notice/-/detail/149979-2026, OJ S 044

Tunnel Characteristics

• Hradčanská Station on Prague Metro Line A
• Underground metro station located within the city’s deep-level metro tunnel system
• Works include station infrastructure upgrades and escalator replacement within the underground station environment

Contract Value
EUR 46.50 million (CZK 1.13 billion), excluding VAT

Location
Prague, Czech Republic

Contact
DPP (Dopravní podnik hl. m. Prahy)
Tel: +420 224827884
Email: zakazky@dpp.cz

Ref. No. 0303/156. 10/26.

France/Italy: Repair works contract awarded for Mont Blanc Tunnel vault and structural elements

Client / Awarding Authority
GEIE du Tunnel du Mont Blanc (TMBGEIE), Chamonix, France

Winning Contractor(s)

• Freyssinet France Centre Est (France), Chaponost – Lot 1: French side
• Spie Batignolles Génie Civil (France), Nanterre – Lot 2: Italian side

Project Scope
GEIE du Tunnel du Mont Blanc has awarded two contracts for repair works addressing localised structural damage within the Mont Blanc road tunnel.

The contracts cover repair and rehabilitation of the tunnel vault, roadway slab and protective canopies, in accordance with the technical specifications set out in the CCTP (Technical Specification Document). Works will involve structural repair interventions within the tunnel infrastructure on both the French and Italian sides.

Lot 1 covers the French section of the tunnel, while Lot 2 covers the Italian section, ensuring coordinated maintenance across the cross-border infrastructure operated by TMBGEIE.

Further information:
https://ted.europa.eu/en/notice/-/detail/157072-2026, OJ S 046

Tunnel Characteristics

• Mont Blanc Tunnel – international road tunnel linking France and Italy
• Length: approximately 11.6 km
• Single-tube bi-directional road tunnel beneath the Mont Blanc massif
• Structural works relate to vault, roadway slab and canopy elements within the tunnel

Location
Mont Blanc Tunnel, between Chamonix (France) and Courmayeur (Italy)

Contact
GEIE du Tunnel du Mont Blanc
Tel: +33 045 0555500
Email: uacquisti@tunnelmb.com

Ref. 10/26.

France/Italy: Maintenance contract awarded for Mont Blanc Tunnel network infrastructure

Client / Awarding Authority
GEIE du Tunnel du Mont Blanc (TMBGEIE), Chamonix, France

Winning Contractor(s)
Spie ICS (France), Malakoff

Project Scope
Spie ICS has been awarded a contract for the maintenance and operational management of the information system and network infrastructure of the Mont Blanc Tunnel, including studies and implementation of system developments.

The works cover maintenance of the tunnel’s digital and communication infrastructure, including monitoring, operation and upgrades of the integrated network systems supporting tunnel safety and operations. The contract also includes studies and implementation of improvements to the network infrastructure.

The TMBGEIE information system operates as a single integrated system across French and Italian territory, with redundant infrastructure installed on both sides of the border. Server rooms are duplicated in France and Italy, while technical rooms within the tunnel are located approximately two-thirds on the French side and one-third on the Italian side.

Further information:
https://ted.europa.eu/en/notice/-/detail/152102-2026, OJ S 044

Tunnel Characteristics

• Mont Blanc Tunnel – bi-national road tunnel connecting France and Italy
• Approximate length: 11.6 km
• Cross-border motorway tunnel linking Chamonix (France) and Courmayeur (Italy)
• Operational and safety systems supported by integrated network infrastructure installed throughout the tunnel

Contract Value
EUR 297,120 (excluding VAT)

Duration
Not stated

Location
Mont Blanc Tunnel, between Chamonix, France and Courmayeur, Italy

Contact
GEIE du Tunnel du Mont Blanc
Tel: +33 045 0555500
Email: uacquisti@tunnelmb.com

Ref. 10/26.

Finland: Ground investigation contracts awarded for Helsinki Airport Line railway tunnel project

Client / Awarding Authority
Lentorata Oy, Vantaa, Finland

Winning Contractor(s)

• Taratest Oy (Finland), Pirkkala – Lots 1, 4, 5 and 6
• Ramboll Finland Oy (Finland), Espoo – Lots 2 and 3

Project Scope
Contracts covering soil and bedrock investigations for the design phase of the Airport Line (Lentorata) railway project have been awarded across six lots.

The investigations will support the planning and engineering design of a new 25 km railway connection between Pasila and Kerava via Helsinki-Vantaa Airport. The line will significantly increase rail capacity on the Helsinki region’s long-distance and commuter rail network and will include extensive underground construction.

The scope of work includes geological and geotechnical investigations, drilling, rock and soil sampling, and analysis to determine ground conditions along the future railway alignment and within planned underground sections.

Lot allocations and values are as follows:

• Taratest Oy (Finland)
• Lot 1 – EUR 197,755
• Lot 4 – EUR 117,695
• Lot 5 – EUR 345,915
• Lot 6 – EUR 591,432
• Ramboll Finland Oy (Finland)
• Lot 2 – EUR 106,926
• Lot 3 – EUR 79,925

Further information:
https://ted.europa.eu/en/notice/-/detail/148330-2026, OJ S 043

Tunnel Characteristics

• Railway tunnels forming part of the Lentorata Airport Line
• Total line length: 25 km
• Underground section: approximately 24 km in tunnel
• Twin-track underground railway alignment planned between Pasila and Kerava via Helsinki-Vantaa Airport

Contract Value
Total value of investigation contracts: EUR 1,439,648

Location
Helsinki metropolitan area, Finland – Pasila to Kerava via Helsinki-Vantaa Airport

Contact
Lentorata Oy
Attn: Siru Koski
Email: toimisto@lentorata.fi

Ref. No. 588797. 10/26.