Open invitation to tender, deadline 17.01.2012, for upgrade of 700 m-long mine access tunnel and associated works for KW SA KWK Chwalowice, Rybnik. Contract duration 21 months. Further information, specs and docs from Leszek Prudel in Katowice, tel +48 327163695, fax +48 327392134, e-mail l.prudel@kwsa.pl. Tenders or requests to participate must be sent to Maria Stepien in Katowice, tel +48 327572288, fax +48 327572027, e-mail m.stepien@kwsa.pl. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=402000-2011. 52/11.