Open invitation to tender, deadline 03.10.2016, for maintenance of E&M equipment in Piet Hein (1,492 m) and IJ (1,139 m) tunnels in Amsterdam. For electronic access to information and electronic submission of tenders go to https://www.tenderned.nl:443/tenderned-web/aankondiging/detail/samenvatting.xhtml?aankondigingId=86379. Contact Amsterdam Municipality, attn Hans Bakker, tel +31 625377023, e-mail hans.bakker@amsterdam.nl. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=253680-2016 and http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=250695-2016. Ref.n. AI 2016-143. 30/16.
