Invitation to tender by negotiated procedure for construction of twin bored tunnels 6.2 m ID with cross passages at 500 m intervals, shafts, and supply, assembly and operation of tunnelling machines, and design and construction of segmental lining plant. Lot 300 will comprise 6.2 km of twin western running tunnels with 2 EPBs from Royal Oak portal to Farringdon station, contract duration 58 months. Lot 305 will comprise 8.3 km of twin eastern running tunnels with 4 EPBs from Limmo Peninsular to Farringdon station; 2.7 km from Stepney Green to Pudding Mill Lane portal; and 0.9 km from Limmo Peninsular to Victoria Dock portal. Contract duration 66 months. Further information, specs and docs from https://crossrail.bravosolution.co.uk, to where tenders or requests to participate must be sent and where prequalification questionnaire is located. Crossrail contact is Richard Dowers in London, tel +44 2032299839, e-mail richarddowers@crossrail.co.uk. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=235371-2009. 35/09.