Authorized Expert and Consultant

Sachverständiger und Gutachter

Authorized expert and consultant of bike- and skateparks Dipl.-Ing. Ralf Maier creates appraisals for skate- and bikeparks, as he is authorized expert and consultant of bike- and skateparks. Furthermore security related approval before commissioning/ opening for the public can be provided. At the moment Ralf Maier participates at further training at the AGS (consortium of consultants for gardening, landscaping sport facility construction) with the view of becoming publicly certified expert at the Architects Association.

Sicherheitstechnische Abnahmen und Gutachten

Berlin Neue Nationalgalerie Skateskulptur, Gutachten Dezember
Düsseldorf Eller Skatepark, Jahresinspektion Dezember
Belgien Skatepark Indoor Olympiastützpunkt Flandern, November
Borken Dirtanlage, August
Gütersloh Pumptrack, Juli
Bremerhaven BMX-Race Bahn, Juni
Flensburg BMX-Park, Mai
Rathenau BMX- Park, Mai
Büdelsdorf Pumptrack, Mai
Grömnitz Pumptrack, Mai
Nettetal Skateanlage, Mai


Rosenberg Pumptrack und Dirtanlage, Oktober
Viernheim Pumptrack, Oktober
Trossingen Pumptrack, Oktober
Wurmlingen Dirtpark, September
Nagold Dirtpark, September
Klipphausen MTB-Anlage, August
Elstra Pumptrack, August
Meisenheim Pumptrack, August
Horath Pumptrack, August
Ahlen Dirtpark, August
Tattnang Pumptrack, August
Bad Waldsee Pumptrack, August
Rottenburg Pumptrack, August
Rutesheim Pumptrack, August
Westhausen, Juli
Köln Minirampe, Juli
Augsburg Pumptrack, Juli
Westhausen Pumptrack, Juli
Flensburg Bike- und Skatepark, Juni
Emlichhausen Pumptrack, Juni
Recklinghausen Pumptrack, Juni
Binzen Pumptrack, Mai 
Werl Skatepark, April 
Bonn Rigalische Wiese Skatepark, März 
Wegberg Skatepark, Januar

Neuhof an der Zenn Pumptrack, Dezember
Dietzhölzel Pumptrack, November
Aschaffenburg Pumptrack, November
Groß-Bieberau Pumptrack, November
Wiesbaden Minirampe, November
Sennefeld Skatepark, Oktober
Düsseldorf – Eller Skatepark, Oktober
Wismar Skatepark, Oktober
Berlin – Heidelberger Platz Skatepark, Oktober
Lünen Dirtanlage, Oktober
Tönisvorst Pumptrack, Oktober
Baumholder Pumptrack, September
Bartholomä MTB-Strecke, September
Horn Bad Meinberg Pumptrack, September
Aalen Pumptrack und Dirtanlage, August
Ahaus Dirtanlage, August
Neuler Pumptrack, August
Aalen Pumptrack, August
Leutenbach Pumptrack, Juli
Kirchberg an der Murr Pumptrack, Juli
Baden Baden Pumptrack, Juni
Köln Radstadion Pumptrack, Juni
Erkrath BMX-Park, Mai
Bad Münstereifel Skatepark, Mai
Standsdorf Dirtanlage, Mai
Öttingen Pumptrack, Mai
Dillingen Pumptrack, Mai
Brake Skatepark, April
Rotenburg Skatepark, April
Rahden Pumptrack, April
Bottrop Pumptrack, April
Hameln Pumptrack, März
Stadtbergen Pumptrack, März
Flensburg Bikepark Schlachthof, Februar
Geltingen MTB- Startrampe, Februar

Friedrichshafen Skate- und Bikeanlage, November
Würzburg Skateanlage, November
Berlin- Spandau, Pumptrack, Oktober
Cottbus, Skateanlage, Oktober
Zwickau, Pumptrack, Oktober
Miehlen, Dirtanlage, Oktober
Rohrbach Pumptrack, Oktober
Wehretal, Dirtanlage, Oktober
Düsseldorf Eller, Skateanlage, September
Schweinfurt Minirampe, September
Wadersloh Dirtanlage, August
Zeulenroda-Triebes, Northshore-MTB Anlage, August
Brey MTB und Dirtanlage, August
Lünen Trailpark, Dirtanlage und Pumptrack, August
Bensheim Kinderlaufrad/ Rollator Track, August
Ahlerstedt Dirtanlage, Juli
Bad Frankenhausen Trail und Dirtanlage, Juni
Weinböhla Pumptrack, Juni
Hemer Dirtanlage, Juni
Freiburg Pumptrack, Juni
Essen Skatepark, Juni
Münster Pumptrack Juni
Leverkusen Skatepark, Mai
Amtzell Pumptrack, MTB Übungsparkour, Mai
Kerken Pumptrack, Januar

Bernsdorf Pumptrack, Dezember
Mettingen Pumptrack, Oktober
Ladenburg Pumptrack Oktober
Albertshofen Pumptrack, September
Friedrichshafen Skatepark, August
Oberriexingen Pumptrack, Juni
Plieningen Pumptrack, Juni
Regensburg Skatepark, Mai
Sindelfingen Pumptrack, Mai
Affalterbach Pumptrack, Juni

Mühbrook Pumptrack, Dezember
Eschwege Pumptrack und Kletterfelsen, November
Füssen Skatepark, Oktober
Ahaus Bikepark, Oktober
Ulm Bikepark und Pumptrack, September
Regensburg Skatepark, September
Kempten Kids Sloopstyle, September
Düsseldorf Pumptrack, August
Kusterdingen E-Bike und MTB- Anlage, September
Allendorf Pumptrack, Juli
Sindelfingen Pumptrack, Juni
Düsseldorf-Eller Skatepark, Juni
Neustadt in Holstein Skatepark, Januar

Köln Skatepark, November
Leipzig Speedskating, November
Hannover Skatepark, Oktober
Hagen Pumptrack, August
Klausmühle Bikepark, Juli
Kempten Bikepark, Juli
Groß- Umstadt Pumptrack, Mai
Langenargen Skatepark, April
Calden Skatehalle, April
Dortmund MTB- Anlagen, Februar

Baumholder Pumptrack Sich-Abnahme 210929 - 01

Baumholder Pumptrack – safety acceptance test

On September 29th we were in Baumholder for the safety inspection of the recently completed Pumptrack. Built by pumptrack.de.

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Sicherheitstech Abnahme Bartholomä MTB-Strecke 210915

Batholomä MTB track – technical safety inspection

On September 15th we were in Ahaus for the safety inspection of the recently finished Pumptrack.

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Sicherheitstech Abnahme Recklinghausen Miniramp 210812

Recklinghausen Miniramp – safety acceptance test

On August 12, we were in Recklinghausen for the safety inspection of the recently completed miniramp.

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Sicherheitstech Abnahme Ahaus Pumptrack 210812

Ahaus Pumptrack – safety acceptance test

On August 12th we were in Neuler for the safety inspection of the recently finished Pumptrack.

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Sicherheitstech Abnahme Neuler Pumptrack 210809

Neuler Pumptrack – safety acceptance test

On August 9th we were in Neuler for the safety inspection of the recently finished Pumptrack.

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Sicherheitstech Abnahme Aalen Pumptrack 210809

Aalen Pumptrack – safety acceptance test

On August 9th we were in Aalen for the safety inspection of the recently finished Pumptrack.

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Kirchberg an der Murr Sicherheitstech Abnahme Pumptrack 210708

Pumptrack – safety acceptance test

On June 8th, we were in Kirchberg an der Murr for the safety inspection of the, recently completed, pump track.On June 8th, we were in Kirchberg an der Murr for the safety inspection of the, recently completed, pump track.On June 8th, we were in Kirchberg an der Murr for the safety inspection of the, recently completed, pump track.On June 8th, we were in Kirchberg an der Murr for the safety inspection of the, recently completed, pump track.

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Leutenbach Pumptrack Sicherheitstech Abnahme 210708

Leutenbach Pumptrack – safety acceptance test

On June 8th, we were in Leutenbach for the safety inspection of the, recently completed, pump track.

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Baden Baden Pumptrack - Sicherheitstech Abnahme 210624

Pumptrack – safety acceptance test

On June 24th, we were in Baden Baden for the safety inspection of the, recently completed, pump track.

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Dillingen Pumptrack und DirtanlageSicherheitstech Abnahme 210524

Dillingen Pumptrack and Dirtpark – safety acceptance test

On May 24, we were in Dillingen for the safety inspection of the, recently completed, pump track and dirtpark.On May 24, we were in Dillingen for the safety inspection of the, recently completed, pump track and dirtpark.

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Öttingen Pumptrack - Sicherheitstech Abnahme 210524

Öttingen Pumptrack – safety acceptance test

On May 24, we were in Öttingen for the safety inspection of the, recently completed, pump track. On May 24, we were in Öttingen for the safety inspection of the, recently completed, pump track. On May 24, we were in Öttingen for the safety inspection of the, recently completed, pump track.

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Rotenburg Skatepark - sicherheitstechnische Abnahme

Brake/Rotenburg skatepark – safety inspection

On April 28th we were in Rotenburg for the safety inspection of the recently completed skatepark.On April 28th we were in Brake/Rotenburg for the safety inspection of the recently completed skatepark.On April 28th we were in Rotenburg for the safety inspection of the recently completed skatepark.On April 28th we were in Brake/Rotenburg for the safety inspection of the recently completed skatepark.

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Rahden Pumptrack - Sicherheitstechnische Abnahme

Rahden Pumptrack – safety acceptance test

On April 28, 2021 we were for the safety inspection of the, recently completed, Pumptrack in Rahden. The Pumptrack was released for use without further concerns!On April 28, 2021 we were for the safety inspection of the, recently completed, Pumptrack in Rahden. The Pumptrack was released for use without further concerns!

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Bottrop Pumptrack - Sicherheitstech-Abnahme

Bottrop Pumptrack – safety acceptance test

On April 23rd we were in Bottrop for the safety inspection of the, recently completed, Pumptrack.On April 23rd we were in Bottrop for the safety inspection of the, recently completed, Pumptrack.

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