The awarding procedure for the maintenance of the piezometric shafts installed by BBT SE and for the groundwater pollution monitoring along the new Brenner railway tunnel alignment has been declared unsuccessful. Contact Brenner Basis Tunnel BBT SE, attn Avv. Arturo Piero Mazzucato, Bolzano, tel +39 04710622-10, fax 39 04710622-11, e-mail ava@bbt-se.com. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=36934-2015. Ref.n. AP206. 06/15.