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Safer Tunnels by New Methods of Tunnel Ventilation and Smoke Extraction
Welcome to the site of Hinrich Rottmann, D-60439 Frankfurt/Main, Germany
 Expert for Tunnel Safety, New Tunnel Ventilation and Smoke Extraction Systems and Jet Fans,
Quantitative Risk Analyses (QRA), Tunnel Safety Concepts and Tunnel Ventilation and Emission Studies,
Tunnel Exhaust Air Cleaning by Nano Filters for Particulate Matter (PM) and Absorptive Filters for Nitric Gases (NOx),
Design, Review, Supervision, Testing and Evaluation of Ventilation Systems for Road and Rail Tunnels,
Metros, Caverns, Transport System and Robot-Car Tunnels or any other Underground Space,
in accordance with ASHRAE, ASTRA, EC, NFPA, PIARC, RABT, VDI und ZTV.
Membership
VDI  (Verein Deutscher Ingenieure, Düsseldorf, Germany)
ASHRAE  (American Society of Heating, Refrigerating and Air-Conditioning Engineers, Atlanta, USA)
Contact
Dipl.-Ing. Hinrich Rottmann
Consulting Engineer for Tunnel Safety, Smoke Extraction and Exhaust Air Cleaning Systems
        Emil-von-Behring-Str. 71,  D-60439 Frankfurt/Main            
Tax-ID. 13 862 0143 5, Tax Office Frankfurt am Main I   
Tel: ++49 (0)69 / 95 73 60 11     Fax: ++49 (0)69 / 95 73 01 10   
E-Mail: Hinrich.Rottmann(@)t-online.de          
Examples
Safer Tunnels by New Methods of Tunnel Ventilation and Smoke Extraction