...all phases specified in the German HOAI regulations.

The Bahnbau Group provides ready-to-implement solutions for new construction projects, reconstruction and conversion work, modernisation, maintenance and repairs in railway, transport and commercial installations. BahnBau provides continuous project coordination for all companies and persons involved in the planning exercise. Our VDE-qualified experts and EBA-approved planning inspectors are on hand to assist you with your electrical installations, lightning protection and earthing systems.

The BahnBau Group offers basic and detail engineering services for the following electrical installations:

• Lighting systems
• Lightning protection and earthing systems
• Specialist testing
• Electrical switch heating and train preheating
• Power distribution systems (low and medium voltage)
• Cable systems up to 30 kV (including underground cable laying)
• Building installations

Example projects:

Assignment:

• Planning the electrical systems for DB AG’s GSM-R concentrator stations (BSC), base stations (BTS) and regenerators

Client: DB Netz AG

Planning period: 1999 until 2005

Services rendered:

• Development of GSM-R feeder distribution units including securing type approval from the Federal Railway Office (EBA)
• Development of a 900-volt rated network for feeding GSM-R systems over long distances
• Planning work for 10 BSC, about 2700 BTS and approximately 450 regenerators
• Compilation of overall earthing schemes for 7 BSC, 1750 BTS and 380 regenerators
• Planning of 950-volt networks for about 200 problem sites

Assignment: Overall earthing scheme for main station

Client: DB Station&Service AG

Planning period: March 2005 until September 2005

Services rendered:  Planning the overall electrical earthing arrangements for Cologne Main Station after extensive rebuilding and modernisation work