DC Water (District of Columbia Water and Sewer Authority) has issued notice to proceed to the CBNA-Halmar Clean Rivers Joint Venture comprising CBNA (a US based subsidiary of Bouygues Construction) and Halmar International for the design-build contract for the Potomac River Tunnel. The tunnel is a project part of DC Water’s USD 2.99bn (EUR 2.76 bn) Clean rivers project designed to control combined sewer overflows and to improve water quality in the Potomac River in Washington D.C. The contract value is USD 819 million (EUR 757.13 million).  The main tunnel, which is 5.5 miles (8.9 km) long and approximately 100 feet (30 m) deep with internal diameter of 18 feet (5.5 m), will cross variable geological conditions (clay, alluvium, hard rock) and will pass close to Washington D.C's iconic monuments. It will require the use of two TBMs customized specifically for these soil conditions. Ancillary structures comprise of 9 shafts, adits connecting to the main tunnel, and near surface structures which link the new infrastructure to the existing sewage system. Visit https://www.bouygues.com/ and https://www.dcwater.com/. 49/23.  

Cowi A/S from Kongens Lyngby secured the EUR 784,738.71  (DKK5.85 million) contract, excluding VAT,  for the strategic analysis for a new connection across the Little Belt. The present tender mainly includes the sketch design of road and rail facilities on land as well as the actual crossing of the Little Belt (as a bridge and/or tunnel), as well as screening/mapping of natural, environmental and noise conditions in connection with a possible new connection. Contact Vejdirektoratet, attn Kristian Gladbo Platz, Copenhagen, tel +45 72442975, email kp1@vd.dk.  Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=723268-2023. Ref.n. PA-TAN-R008. 48/23. 

The Joint Venture MONTCADA, composed of FERROVIAL CONSTRUCCION SA from Madrid (33,34%), COMSA SAU from Madrid (33,33%) and FCC CONSTRUCCION SA  from Madrid  (33,33%) secured the EUR 446,61 million contract, excluding VAT, for  the implementation of works for the construction projects to reconstruct underground  the Barcelona suburban line R2 as it passes through the urban area of Montcada i Reixac (Barcelona) and the new station. It will be a 3-track tunnel (4 km). Contact Adif, Madrid, tel +34 917744804, fax +34 917674490, email contrataciondcc@adif.es. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=668786-2023. Ref.n. 3.22/06110.0199. 48/23.  

Donati Spa from Rome secured the EUR 65 million contract, excluding VAT,  for the structural equipment restoration works for the road tunnels of Lombardia, Piedmont, Valle d’Aosta and Liguria (Lot1 ).  Contact ANAS Spa, attn Eng.Enrico Mittiga, Rome, email appalti.lavori@postacert.stradeanas.it.  Visit https://donatispa.it/. Ref.n. DG 25/22. 48/23. 

Elektrosignal Infra Sthlm AB from Farsta have secured the EUR3.02 million (SEK34.43 million) contract, excluding VAT,  for the maintenance and repair of the systems - among which are the pumping stations, tunnel ventilation, fire protection and security systems - of the railway line crossing Stockholm (Citybanan in Swedish). Which is located mainly in the service tunnel. Contact Trafikverket Myndighet, attn Gunnar Stewen, Borlange, tel +46 101232305, email gunnar.stewen@trafikverket.se. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=702659-2023. Ref.n. KOM-411456. 47/23. 

Etablissements FOURMENT – cITEOS from Le Petit Quevilly secured the EUR 3.50 million contract, excluding VAT, for the maintenance of active systems in the infrastructures of DIR Nord-Ouest, including the 1.5 km-long twin tube Grand Mare tunnel on the RN28. Contact DIR Nord-Ouest, attn Eric Battier, Rouen, tel +33 699972656, fax+33 276000495, email eric.battier@developpement-durable.gouv.fr. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=699978-2023. Ref.n. PESM-2023-002. 46/23.  

AFRY Svizzera SA from  Rivera has secured the EUR1.15 million (CHF1.1 million) contract with 7.7% VAT, for the general management of  construction (GC) and works on operational and safety facilities (BSA). This is in connection with the renovation of the Aria shaft and of the technical centers in the 6.6km San Bernardino tunnel on the N13. For further information click here (Italian) and/or here (French). Contact Ofrou, Bellinzona, tel +41 58 469 68 11,  fax  +41 58 469 68 90, email acquistipubblici@astra.admin.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=701150-2023. Ref.n. MP-070007. 46/23.   

NRVA (Nedre Romerike Vann- og Avlopsselskap) from Strommen secured to Arne Olav Lund AS, a subsidiary of Peab Anlegg AS, the EUR 12.13 million (NOK144 million) contract for the construction of a new main water line between Tomtveien and Isakbekken north of Lillestrøm. Construction will begin immediately and is expected to be completed in the spring of 2025.  

The project includes building a new 3.3 km main water line and laying down signal cables and conduits. Tunnelling with concrete pipes past one of Norway’s busiest bus stations was chosen as the construction method instead of traditional digging. Considerable resources have also been invested to reduce the impact on cultivated land. Visit https://www.peab.com, https://aol.no/ and http://www.nrva.no/.  46/23.  

Veidekke from Stockholm has been awarded by Stockholm Vatten och Avfall the EUR 78.27 million (SEK 898 million) contract to build a new 4km wastewater tunnel with an associated access tunnel that will relieve Stockholm's wastewater system and reduce flood risk.  The new Mässtunneln tunnel will run from Stockholmsmassan in Alvsjo (Stockholm) through Solberga, Vastberga and Midsommarkransen to Liljeholmen. The access tunnel will be built at Kontrollvägen in northern Solberga, from which the wastewater tunnel will be blasted and drilled in two directions. Construction is scheduled to start in December, with the tunnel scheduled to be operational in 2030. For further information visit https://www.veidekke.se/ and .https://www.stockholmvattenochavfall.se. 46/23.