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Some evidence of the great experience and competence of the Dr. Graband & Partner GmbH can be provided – e.g. by the following certifications and prequalifications.
DQS GmbH – German Association for the Certification of Management Systems Certification according to the ISO 9001 : 2015
Deutsche Akkreditierungsstelle GmbH (German Accreditation Body) Accreditation as inspection body type A according to DIN EN ISO/IEC 17020:2012 in the fields of railbound traffic, automation technology and automotive
Eisenbahn-Bundesamt (Federal Railway Authority) Recognitions of several employees as experts for third party certification and approval in the fields of signaling and electrical installations respectively
Deutsche Bahn AG (German Railways) Prequalification for technical planning (command control and signaling, electrical energy systems, electrical point heating installations, traffic installations (level crossings)) as well as project control (command control and signaling)
Deutsche Bahn AG Qualification of several employees as accredited persons to accept the implementation planning according to VV BAU and VV BAU-STE ((Administrative Regulation on the Construction Supervision) of Signaling, Telecommunication and Electrotechnical Systems)
WSP Infrastructure Engineering GmbH Licensee for processing of planning orders with the software system ProSig® according to the German Railway guideline 819.9002 "LST-Anlagen planen – Symbole für sicherungstechnische Pläne" (planning command control and signaling installations – symbols for safety-related plans)

The most important documents are available as PDF download | State 06/2021