$380 million project will link Bologna Square with Conca d’Oro Square. Twin-tube line will be driven 3.2 km using 5.8 m-diameter EPB TBM and 4 x 150 m-long stations will be built at depths of 20 to 25 m by a variety of methods. Design by Rocksoil and Studio 80. Invitations to tender expected Autumn, 2000 for a construction start in May, 2001. December 1999.  Bidding later in 2001 for 3.8 km underground extension to line B from Bologna station to Conca d'Ora with four intermediate stations. Visit www.reed.edu/~reyn/transport.html and www.atac.roma.it 10/01.Restricted call for bids, deadline 10th October, 2003 for design and construction of branch B1 running from Bologna to Conca d'Oro. It is a 3.8 km underground section with four stations. Tender value: €379 million, of which €2.6 million for design and €376.5 for construction. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=144514-2003, OJ S 158, or contact City of Rome, fax +39 065740033. E-mail p.lattanzi@comune.roma.it 36/03.The tender for the design and construction of branch B1 running from Bologna to Conca d'Oro was nearly declared void because many candidates did not bid eventually, estimating the project not profit-making. The only bidder is Risalto, a consortium between Rizzani de Eccher, Salini and Todini. Line B1 is a 3.8 km underground branch off Line B with four stations. Visit www.comune.roma.it/dipVII/traspub/linea_b1/home.html 16/04.The design and construction of Line B1 running from Bologna to Conca d'Oro (3.8 km) has been awarded to Maire Engineering (previously Fiat Engineering) and consortium Risalto (Rizzani de Eccher, Salini and Todini) for EUR358.7 million. Four stations in Nomentana, Annibaliano, Gondar and Conca d'Oro. Construction management by Roma Metropolitane. Preparatory work (relocation of utilities) has started. A TBM will be used. Ground freezing to avoid settlements in Rome's sensitive subsoil. Construction will take five years. Visit www.rizzanideeccher.com, www.todini.it and www.fiatengineering.com 45/04.Open call for bids, deadline 16th November, 2005 for archeological monitoring and assistance during ground surveying and construction of branch B1 Bologna-Conca d'Oro (3.8 km), off Line B of the Rome metro. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=185386-2005, OJ S 188, or contact Roma Metropolitane, Rome, fax +39 06454640111. E-mail p.lattanzi@romametropolitane.it 41/05.Societa Cooperativa Archeologia received a EUR314,400 contract for archeological monitoring and assistance during ground surveying and construction of branch B1 Bologna-Conca d'Oro (3.8 km), off Line B of the Rome metro. Visit www.archeologia.it 10/06.Consortium Risalto (RIzzani de Eccher, SALini and TOdini) has subcontracted the construction of Line B1, a branch off Line B from Bologna to Conca d'Oro (3.8 km) with four stations (Nomentana, Annibaliano, Gondar and Conca d'Oro), to SELI for EUR42.2 million. The length is 2 x 2,810 metres. The excavated diameter is 6.8 m and the inner diameter is 5.8 m. The geology is a sedimentary complex of the ancient Tiber River (fluvial, marsh and lake sediments) comprising of alluvial sands, alluvial clay, clayish silts and sandy silts. Construction with two EPB TBMs. Support and lining with 35 cm-thick prefabricated concrete segments (6 + 1). Mucking-out with loco and muck wagons. Tunnelling to commence in January 2008. About 800 metres will also be built using traditional methods. Read E-News Weekly 18/2002. Visit www.selitunnel.com, www.selitecnologie.com and www.romametropolitane.it 20/06.Restricted call for tenders, deadline 30th March, 2007 for drawing up a list of professionals for assignments dealing with preliminary and detailed designs, as well associated technical and administrative work, in case of lack of skilled personnel or difficulties to meet the design schedule, in case of work particularly difficult or dealing with architecture and the environment, or in case of integrated projects requiring a wide scope of competences. Among the projects are Line B1 Bologna-Conca d'Oro-Ionio; Line C (sections T1, T2, T3, T4, T5 T6a, T6b, T7, C1, C2); Linea D; upgrading of Line A Anagnina-Ottaviano; extensions of Line A Anagnina-Romanina and Battistini-Casal Selce; extension of Line B Eur Laurentina-Castel di Leva; extension of Line B1 Ionio-Bufalotta; and other projects. Click here, here and here. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=6509-2007, OJ S 6, or contact Roma Metropolitane, Rome, fax +39 06454640111. E-mail progettazione@romametropolitane.it 04/07.

SELI signed a contract with JV Salini Costruttori Spa, Tecnimont Spa and Icop Spa for excavation of a new section between Conca d'Oro and Jonio stations, on line B1. This includes excavation of a 950 m-long tunnel, crossing of the 150 m-long Jonio station, and supply and placement of 40 cm-thick precast concrete segments. The Herrenknecht EPB TBM, which has a diameter of 9.79 m and a total length of 80 m, will be driven from the Conca D'Oro station box. The alignment is through river deposits consisting of gravel in silty sand matrix characterized by poor geotechnical properties, with the groundwater table 17 m above the tunnel crown. The tunnel will be internally lined with precast concrete segments, 40 cm-thick and 1.4 m-long, in a 7+1 configuration. It will have an internal diameter of 8.65 m and an external diameter of 9.45 m. Excavation will begin in April, 2010. For more visit tunnelbuilder archive it/31 and here. Visit www.selitunnel.com and www.herrenknecht.com. 04/10.

Open invitation to tender, deadline 13.05.2019, for maintenance of electric distribution in tunnels and stations of the B1 Metro Line in Rome. The value of the contract is EUR462,251.91, excluding VAT. The duration of the contract is 24 months. For bid documents http://www.atac.roma.it. Contact ATAC Spa, attn Serenella Anselmo/Patrizia Avantario, Rome, tel +39 0646954132/4556, fax

+39 0646954553, email patrizia.avantario@atac.roma.it. Visit

http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=163595-2019.

Ref. n. 34/2019 15/19.

Open invitation to tender, deadline 08/03/2021, for the emergency service for the suction of liquids due to flooding in stations, underpasses with tracks, railway tunnels, underground lines A, B, B1 and C, Rome Lido, Rome Viterbo and Rome Giardinetti regional railways.  The value of the contract is EUR491,839.30, excluding VAT. The duration of the contract is 36 months. Contact ATAC Spa, attn Ilaria Ranieri, Rome,  email protocollo@cert2.atac.roma.it. Click here for bid documents and here for further on TED Tender. Ref. n. 07/2021. 06/21.

Danieletti Impianti Srl from Pavone del Mella (BS) secured the EUR2.28 million contract, excluding VAT, for the maintenance service of electrical distribution in tunnels, stations and depots. Contact ATAC Spa, attn Serenella Anselmo/Massimo Forgia, Roma, tel + +39 0646954132/4719, fax  +39 0646954553, email massimo.forgia@atac.roma.it. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=715289-2022. Ref.n. 24/2022. 52/22.