Diagnostic car of SBB Infrastructure

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1 Diagnostic car of SBB Infrastructure Infrastructure Asset Management I-FW-FB, Measurement SBB Stöckackerstrasse 25 CH-3018 Berne Telefon Fax

2 The new Diagnostic car The railway infrastructure is inspected and checked since its existence of irregularities. This has to be done to make available a perfectly functioning railway system to the customer and partners in Person and Cargo traffic. The diagnosis of the railway assets by railway personnel (specialty services, lengthsmen, engine driver) were noticed initially. The lengthsmen walked along the track by foot and passed the irregularities of the assets to the responsible specialty services. Meanwhile these human workforces are supported by measuring vehicles for tracks and overhead lines. The measuring systems of both track and overhead line vehicles however reached the end of their life span. With the start-up of the new constructed distances Zurich-Thalwil, Mattstetten- Rothrist and in the future also the new AlpTransit tunnel at the Gotthard and Loetschberg the requirements rise to control the railway infrastructure substantially. In order to become fair to the rising requirements of the railway infrastructure, the first of two diagnostic vehicles has been delivered. It examines the railway infrastructure with the most modern and latest measuring technique for possible irregularities - fast and reliable. With up to 120 kilometres per hour the new diagnostic vehicle will drive over the track making the necessary of the ballast bed, track construction, overhead lines and tunnels including RCF-video scanning. 2/6

3 SBB Measurement Team 21 co-workers at infrastructure measurement SBB supervise and control the railway infrastructure in Switzerland and accomplish special of the infrastructure, of the rolling stock and the interface infrastructure and rolling stock. Thereby over 3000 kilometres of railway system are taken under the magnifying glass periodically. The specialists have the new diagnostic car, two movement technique measurement cars and each a track-dynamic and an overhead line measurement car to their disposal. Infrastructure diagnosis Electrical Movementtechnical m. Special Procurement and operate diagnostic cars Operate of railway track and overhead line diagnostic cars Data analysis Interaction overhead line - Panto Electrical influence of infrastructure vehicules General electrical Interaction rail - wheel Operate of two movementtechnical measurement cars Wheel profile Mechanical special Operate of Dynamic tracksinkingmeasurement car Track scales Vehicle park at SBB Measurement Self-propelled diagnostic car Overhead line measurement car Dynamic track-sinking-measurement car Movement technique measurement car EW IV Movement technique measurement car RIC 3/6

4 Technical data. The new diagnostic car Vehicle Vehicle manufacturer: Mer Mec, Monopoli (I) Engines: Two diesel engines (336 KW) "Cummins", 6 cylinders, cardan shaft drive Length m 4 axles, two of them driven Net weight kg Total weight kg Maximum speed self-propelled/pulled 160 km/h maximum measuring speed 120 km/h Action radius km General measuring systems 6 measuring working stations 19 monitors with selectable announcement of the Crew usually 3 persons (1 engine driver and 2 measuring engineers) Seized data quantity Per kilometre (without tunnel inspection): 800 Megabyte Per kilometre for tunnel inspection: 4 Gigabyte per year: 10 Terabyte 4/6

5 Technical data I The new diagnostic car Measurements: Track geometry measurement (Gauge, direction, superelevation, twist, deviation) Rail profile measurement (Rail profile, Rail wear, contact geometry, rail/wheel) Corrugation measurement (short-, medium- and longwave parts) Track measurement and track inspection (Condition of rail fastenings, rail surface, sleepers, trackbed; position of rail clips and signalling box elements within track area) Overhead line measurement (Control of overhead line alignement and overhead line wear) 5/6

6 Technical data II The new diagnostic car Overhead line inspection (Changes by carrying parts, hangers, clips, wire ropes, overhead lines and isolators; position of afterspan weights, assymetrical load fixpoints) Tension- and rail return current measurement Structure gauge and ballast profile measurement (Maximum moving dimensions, ballast profile, track axle distance) Tunnel inspection (Condition monitoring of tunnel arched crowns and retaining walls) Video inspection (Overview video from locomotive drivers sight 6/6