Invitation to tender by negotiated procedure, deadline 01.07.2013, for civil and hydromechanical works of Pervari Dam and HEPP project on Botan river in Pervari district of Siirt province, including 970 m-long, 9.5 m-ID diversion tunnel, three cofferdams, 154 m-high concrete face rockfill dam with water intake, 1,335 m-long low pressure energy tunnel with 10.3 m-ID, 96 m-long high pressure energy tunnel with 8 m-ID, and associated shafts and other works including powerhouse with 2 off 195.5 MW Francis vertical turbines and 2 off 9.15 MW Francis horizontal turbines. Contract duration 46 months. Time limit for accessing documents 05.10.2013. Further information, specs and docs from Esra Songur at Enerjisa in Ankara, tel +90 312 58340-59, fax +90 312 4738546, e-mail firstname.lastname@example.org to whom tenders or requests to participate must be sent. Visit http://ted.publications.eu.int/udl?request=Seek-Deliver&language=en&docid=307957-2013. 37/13.