tunnelling contract news for the world's tunnel engineers | project news on the world's tunnels

United Kingdom, Ipswich - uk/12

Flood Relief Orwell

Anglian Water Services require 4.9 km tunnel at depths of between 20 m and 47 m through difficult ground including the Upper Chalk bed which is saturated at up to 2 bar and has flint bands, glacial materials and sarsen stones with compressive strength up to 150 MPa. Â£26 million contract awarded to AMEC Tunnelling who will use new Lovat RME115SE 2.44 m-diameter EPB with mixed-face cutterhead powered by six hydraulic motors rated at 263 kW. Six-segment gasketted trapezoidal lining supplied by Buchan. 20 m/day expected. 11 shafts to be sunk down to maximum 50 m depth. September 1998.

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United Kingdom, Cardiff - uk/11

Wastewater

$300 million scheme for Hyder Welsh Water comprising 2.6 km of 2.44 m-diameter tunnels, 3.5 km of 1.95 m, and 3.7 km of 1.6 m in waterbearing mudstone, siltstone and sandstone using Herrenknecht EPB for the large diameter and AVN 2000D and AVN 1600D pipejacked machines for the smaller diameters. 20 access shafts ranging in internal diameter from 6.1 m to 7.62 m with precast concrete linings supplied by Tarmac Charcon and a 20 m-diameter, 40 m-deep pumping station. Shaftwork commenced December, 1997. Partnering agreement involves Welsh Water, Hyder Consulting, Laing Civil Engineering, Van Oord, and Byzack, with the latter handling the tunnelling. Completion 1999. June 1998.

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United States, Maryland - us/133

Railway

Amtrak has achieved a major milestone for the Frederick Douglass Tunnel Program with the selection of a Kiewit/J.F. Shea Joint Venture to build the brand new rail tunnel that will serve electrified Amtrak and MARC commuter trains. Located just south of Baltimore Penn Station, the new tunnel will serve electrified passenger trains with two parallel, single-track tunnel tubes, each approximately 3.22 km (2 miles) long. It will also support much faster travel speeds than the existing tunnel, where trains are currently limited to maximum speeds of 30 mph due to the tight curves.

The Frederick Douglass Tunnel will replace Amtrak’s existing Baltimore and Potomac (B&P) tunnel, which opened 150 years ago during the Ulysses S. Grant Administration

The third and final construction contract to “fit out” the Frederick Douglass Tunnel with tracks, rail systems and more will be announced at a future date, with an anticipated award in 2025/2026. Amtrak will also soon select a Delivery Partner to coordinate and support the successful execution of the Program.

Construction of the new tunnel is being delivered through the innovative Construction Manager At-Risk (CMAR) delivery method, which improves project delivery time and allows design, pre-construction and other work to proceed simultaneously. Visit https://media.amtrak.com/2024/02/amtrak-awards-contract-to-build-new-frederick-douglass-tunnel-in-baltimore/. 06/24.

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United States, Maryland - us/132

Railway

The joint venture Skanska/Fay Construction Co signed a contract with CSX Transportation for the modernization of the Howard Street Tunnel (HST), originally constructed in 1895 and part of the HST Project in Baltimore, Maryland, USA. The Howard Street Tunnel Project will improve clearance at the Howard Street Tunnel (HST) in Baltimore City and 22 other locations where obstructions exist along the CSX Transportation (CSX) Interstate 95 (I-95) rail corridor between Baltimore and Philadelphia.

The modernization of the Howard Street tunnel consists of vertical clearance improvements to allow double-stack trains (trains transporting shipping containers stacked on top of each other) to travel between Baltimore, Maryland and Philadelphia, Pennsylvania. Work includes lowering and tunnel enlargement techniques across the 2.7-km (1.7-mile) expanse of the Howard Street Tunnel to increase the tunnel height from 5.8 to 6.4 m (19 to 21 feet). Additionally, drainage improvements will be made throughout the track. Visit
https://www.csx.com/, www.skanska.com and https://www.shikunusa.com/. 51/23.

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United States, Ohio - us/131

Sewage Interceptor

Granite Construction Company secured the USD215 million contract for the Northside Interceptor Tunnel project, whose design was completed in the Spring of 2023. The City of Akron (Ohio, USA) performed a pre-qualification process, with four contractors selected to submit proposals.

The Northside Interceptor Tunnel Project is one of the final projects of the EPA mandated Consent Decree, entered in 2014, to improve the City’s sewer infrastructure and reduce combined sewer overflows (CSOs). This project consists of constructing a 5.3 m (16.5-foot) internal diameter tunnel. The tunnel will collect and store CSOs from four overflow locations, which are located along the Cuyahoga River. The tunnel route follows Riverside Drive from Cascade Valley Metro Park – Chuckery Area to Front Street. It will be 2,030 m (6,660 feet) long, over 30 m (100 feet) below ground in rock, and will be able to store over 38 million liters (10 million gallons) of combined flow. The project is planned to begin in September 2023 and is expected to be completed in July 2027.Visit https://investor.graniteconstruction.com/ and https://www.akronwaterwaysrenewed.com/. 34/23.

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United States, California - us/130

Autonomous Vehicle Transit Connection

Request for Qualifications (RFQ) for the Shortlisting of Design-Build Teams interested in the construction of the tunnel to Ontario International Airport Project.

The Project involves the construction of an approximately 6.4km (4-mile) tunnel and autonomous vehicle transit connection from the Rancho Cucamonga Metrolink Station, also known as Cucamonga Station, to the Ontario International Airport (ONT), with one surface station at Cucamonga Station and two surface stations at ONT.

The Project further includes operations and maintenance of the Operating System on a transitional basis, in partnership with Omnitrans, for a period of one year following commencement of revenue operations. SOQ (Statement of Qualifications) deadline: 2:00 pm PST (Pacific Standard Time), January 26, 2023. Contact SBCTA, attn Shaneka Morris, San Bernardino, tel 909.884.8276 x-167, email tunneltoontario@gosbcta.com. Visit https://pbsystem.planetbids.com/portal/20136/bo/bo-detail/100040 and https://www.gosbcta.com/wp-content/uploads/2022/09/RFQ-23-1002870-Tunnel-to-ONT-Project-Design-Builder-RFQ-Main-Body.pdf. Ref.n. RFQ23-1002870. 50/22.

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Request for Qualifications (RFQ) for an Operating System Provider on a Shortlisted Design-Build Team for the project to construct an approximately 6.4km (4-mile) tunnel and autonomous vehicle transit connection from the Rancho Cucamonga Metrolink Station, also known as Cucamonga Station, to the Ontario International Airport (ONT), with one surface station at Cucamonga Station and two surface stations at ONT. SOQ (Statement of Qualifications) deadline: 2:00 pm PST (Pacific Standard Time), January 26, 2023.

Contact SBCTA, attn Shaneka Morris, San Bernardino, tel 909.884.8276 x-167, email tunneltoontario@gosbcta.com. Visit https://pbsystem.planetbids.com/portal/20136/bo/bo-detail/99885. Ref.n. RFQ23-1002878. 50/22.

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United States, Texas - us/129

Floodwater

Tarrant Regional Water District (TRWD) has selected the Traylor-Sundt Joint Venture (TSJV) to construct the IPL Section 19 Long Tunnel Crossings project (PL19TUN). The entire IPL Project is an integrated water delivery transmission system in the Dallas area consisting of 241 km (150 miles) of pipeline, three new lake pump stations, and three new booster pump stations delivering a required capacity of 1.32 bn liters/day (350 million gallons per day (MGD) of raw water to North Central Texas. TRWD and the City of Dallas Water Utilities currently serve over 4.1 million residents and the IPL will allow these agencies to continue supporting regional community and economic growth.

The Section 19 Long Tunnel project includes two EPB TBM tunnels totaling 3.34 km (10,944 linear feet); two micro-tunnelling runs totaling 526.39 m (1,727 linear feet); 27,74 m (91 linear feet) of hand-mined tunnel; and installation of 2.13 m (84-inch-diameter) carrier pipe throughout. Notice to proceed is anticipated next month, with expected completion in early 2026. For further on the tender, click here and visit https://www.traylor.com/project-win-ipl-section-19-long-tunnel-crossings/. Ref.n. IPL-CSP-21-001 – PL19TUN. 05/22.

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United States, Ohio - us/128

Sewage Interceptor

City of Columbus in Columbus, Ohio, awarded to Granite from Watsonville, California, USA, the EUR224.30 (USD267) million contract for the Lower Olentangy Tunnel project.

The Lower Olentangy Tunnel (LOT) project aims to improve water quality and reduce the risk of exposure of humans to waterborne pollutants by reducing overflows from the sewer system into creeks and rivers during flooding. LOT will connect into the upstream end of the previously Granite-constructed OSIS Augmentation Relief Sewer (OARS) at Vine Street. The upstream end of LOT will be located north of Lane Avenue and will provide hydraulic relief to the three existing sewers that are in close proximity of each other: Franklin Main Interceptor Sewer, Olentangy Main Interceptor Sewer, and OARS.

The construction of the LOT main tunnel will consist of approximately 5,181 m (17,000 feet) of 3.66 m (144-inch) hand-mined diameter tunnel and will be mined with a TBM and constructed of precast concrete segments. The main tunnel will be constructed of concrete segments with three main shafts at Tuttle Park north of Lane Avenue, Gowdy Field near Third Avenue and Olentangy River Road, and Vine Street.

A microtunnel 2.29 m (90 inches) in diameter will also be constructed to relieve OARS near Second Avenue, which will begin at the Second Avenue and Perry Street intersection and flow west into LOT at the Gowdy Field Shaft. Construction is expected to begin in March 2021 and expected to conclude in December 2026. Visit https://www.columbus.gov/ and https://www.graniteconstruction.com/. 10/21.

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United States, Washington - us/127

Combined Sewer Overflow

The Lane Construction Corporation, the U.S. subsidiary of Salini Impregilo Group, has won the EUR224.3 (USD255 million) contract to build a water storage tunnel to reduce polluted overflows into the Seattle, Washington Lake Washington Ship Canal. The 4.27 km (2.7mile) long and 5,73 m diameter (18-ft and 10-inch) internal diameter tunnel, known as the Ship Canal Water Quality Project - Storage Tunnel project, will keep more than 276 million liters (75 million gallons) of polluted stormwater and sewage out of the Lake Washington Ship Canal, Salmon Bay, and Lake Union on average each year. Construction work is expected to start December 2019 and be completed in 2022/2023. Visit https://www.laneconstruct.com . 41/19.

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United States, Michigan - us/126

Oil pipeline

Enbridge has selected two contractors for the Great Lakes Tunnel Project. Great Lakes Tunnel Constructors - a partnership between Jay Dee Contractors from Livonia (Michigan), and the U.S. affiliate of Japanese tunnel construction firm, Obayashi Corporation - will construct a 6.4 km (4 mile) long tunnel, about 30.5 m (100 ft) below Lake Michigan, this will house a new Line 5 in the Straits of Mackinac. The new tunnel will replace the underwater segment of Line 5, twin pipes that have lain across the bottom of the Straits of Mackinac in northern Michigan since 1953, running between Superior, Wisconsin, and Sarnia, Ontario.

Enbridge has also selected Arup (London) to deliver construction design documentation for the Great Lakes Tunnel Project.

The Great Lakes Tunnel Project will enable residents, schools and businesses to continue to receive critical fuel and the thousands of products. Line 5 helps make this possible while increasing environmental safeguards and protection of the Great Lakes. Line 5 each day carries 23 million gallons (87 million litres) of crude oil and natural gas liquids used for propane between Superior, Wisconsin, and Sarnia, Ontario. Construction of the Great Lakes Tunnel Project will begin in 2021.

Following approximately two years of construction, Enbridge expects to place the new Line 5 segment into service in 2024. Visit https://www.enbridge.com/media-center/media-statements/enbridge-selects-contractors-for-great-lakes-tunnel-project.

16/20.

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Enbridge awarded the contract for the construction of the Great Lakes Tunnel in the Straits of Mackinac, to the joint venture Mackinac Straits Partners, composed of Barnard Construction Company Inc. from Bozeman in Montana (50%) and Civil and Building North America Inc. from Miami in Florida (50%) The tunnel will house the Line 5 pipeline as it crosses under the lakebed at the Straits to protect the Great Lakes and the environment and to ensure vital energy resources are delivered safely and reliably to the region.

The contract was awarded following an extensive request for proposal (RFP) process that was initiated by Enbridge in early 2022. The Mackinac Straits Corridor Authority (MSCA), which is charged with oversight for construction and operations of the Great Lakes Tunnel agreed that the RFP conformed with requirements of the Tunnel Agreement. Financed solely by Enbridge, the Great Lakes Tunnel, once completed, will be owned and operated by the MSCA.

Enbridge is preparing to begin construction as soon as possible following the receipt of environmental permits for the tunnel project from the U.S. Army Corps of Engineers. The Corps has indicated early 2026 for permit decision making. Visit https://www.enbridge.com/. 22/24.

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United Kingdom

United Kingdom, Ipswich - uk/12

Flood Relief Orwell

United Kingdom, Cardiff - uk/11

Wastewater

United States

United States, Maryland - us/133

Railway

United States, Maryland - us/132

Railway

United States, Ohio - us/131

Sewage Interceptor

United States, California - us/130

Autonomous Vehicle Transit Connection

United States, Texas - us/129

Floodwater

United States, Ohio - us/128

Sewage Interceptor

United States, Washington - us/127

Combined Sewer Overflow

United States, Michigan - us/126

Oil pipeline

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