Invitation to tender for 1.5 km-long Anvers tunnel comprising 1.183 km bored central section with cut-and-cover at both ends to include underground station on the south side. Twin tube will be bored in Antwerpian sand at 7.3 m diameter using a slurry shield from a shaft on the north side. Contact NMBS, Brussels fax +32 252 97810. March 2000.Twin-track 1.2 km-long x 7.3 m-internal diameter tubes to be constructed from Central Station to Damplein in tertiary sand with glauconite clay for Belgium Railways by TBM installing 350 mm-thick 7+1 concrete segmental lining. Seven prequalified consortia awaiting award in February, 2001 for start in April and completion July, 2004. Consultants are TUC Rail with CSL. Visit www.tucrail.com November 2000.
