World of PORR 168/2016 PORR Updates ÖBB-PORR slab track system for the Koralm railway Success with our own technology The Austrian Federal Railways (ÖBB) continue to rely on the railway construction expertise of PORR Bau GmbH. Under its leadership, 3276m of railway line will be installed using the “ÖBB-PORR elastically supported slab system”. Construction work on the slab tracks of line 1 in the Hengsberg Tunnel and the Weitendorf FW12 underpass, Different types of ÖBB-PORR track support slabs Oberbau 66.03 section has started on 5 February 2016. Line Image: PORR AG 2 was built also under the leadership of PORR Bau GmbH in 2010 as a slab track and has been operational since December 2010. The following concrete and surface works will be carried out for ÖBB: Line 1 slab tracks Track cover with load bearing sound-absorbing slabs Switch in slab tracks Light mass-spring system in the Weitendorf FW12 underpass Load distribution slabs Pre-ballasting on the connecting line The main construction work on the slab tracks will be carried out over a 7 week period from 11 July to 26 August 2016 during which time the tracks will be closed. The work will mainly be carried out on rails in shifts. This construction work is a part of the new Koralm Railway Line project between Graz and Klagenfurt. Construction of the Koralm Railway Line began in 1999. The new 130km-long line will be completed in 2023. The rail journey from Graz to ÖBB-Porr slab tracks with load bearing sound-absorbing slabs Klagenfurt will then only take 45 minutes, with trains reaching Image: PORR AG speeds of up to 230km/h. The PORR Bau GmbH Railway Construction Department is currently also carrying out engineering and gravel surfacing works on other sections of the Koralm Railway, such as the Koralm tunnel KAT3 and 70.12 Althofen-Klagenfurt construction projects. The ÖBB-PORR slab track system is the control system for Austrian Federal Railways. PORR Bau GmbH was chosen as the system supplier for the production of track support slabs for another contract. The ÖBB-PORR system has been used for metro, local and regional transport projects in the following countries: Austria, Track support slabs in storage, ready for immediate use Image: PORR AG Germany, Slovenia, Slovakia, Czech Republic, Great Britain and Qatar. Page 1.