Prior Information Notice to install safety features in the 2.3 km Hemtunnel between the stations Amsterdam Sloterdijk and Zaandam stations on the Den Helder–Amsterdam railway. Time limit for receipt of requests for documents or for accessing documents: 17.07.2015. Contact ProRail BV, attn Rende Jan Hop, Utrecht, e-mail aanbestedingen@prorail.nl, website www.prorail.nl/leveranciers/aanbesteden-en-inkoop. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=218394-2015. 26/15.