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Once around the cathedral in 30 years

20/09/2023

Only available in German.

North side of the nave central section, St. Stephen’s Cathedral, Vienna

2022 - 2025

West chapel lower part ca. 1360 to 1395, upper part ca. 1400 to 1440, Side of the nave completed in 1440, Lobby of the bishop's gate around 1510, decorative pediment 1855/56 in imitation of the Friedrich pediment on the south side, restored in 1881

Straub epitaph, St. Stephen’s Cathedral, Vienna

2023 - 2024

Relief in Breitenbrunner limestone, ca. 1540

Opera House, Baku, Azerbaijan

2021 - 2022

The Opera and Ballet House was founded in 1920 and is a cultural institution of Azerbaijan. Institutionally, it is part of the Ministry of Culture and Tourism of Azerbaijan. The building is located in the city center of Baku.

Opera House Baku / Azerbaijan

23/02/2022

The Azerbaijan State Academic Opera and Ballet House Azerbaijani: Axundov adına Azərbaycan Dövlət Akademik Opera və Balet Teatrı is the first and only opera house in the Azerbaijani capital Baku.

Multani Karavansaray, Baku, Azerbaijan

2020 - 2023

The Multani Caravansaray is located in the Old City of Baku - Icherisheher. It was built in the 14th century for Indian merchants, fire worshippers, who came from the city of Multan in India, present territory of Pakistan.

Buxara Karavansaray, Baku, Azerbaijan

2020 - 2023

The Caravansaray was built at the end of the 15th century on the trade route of the Old City. Only shell limestone quarried on the Absheron Peninsula was used as building material.

Albertine choir, west facade, south tower, St. Stephen’s Cathedral, Vienna

1997 - 2024

Medieval choir, Romanesque-Gothic west facade with heath towers, benefactor statues, tombs, South Tower

Fountain in the Garden of the Dominican Convent, Hütteldorf, Vienna

2020

Circular, profiled fountain border made of Lindabrunn conglomerate with ∅ 850 cm. Leaky fountain basin and defective and non-existent fountain technology.

Steinkonservierung im Unterdruckverfahren

09/06/2020

Video-presentation as part of COL-conference #4 (Construction of the Center for Renewal of Common Cultural Heritage)

Qoşa Qala / Double city gate north, Baku, Azerbaijan

2018 - 2019

Historic Old Town "Icheri Sheher", 13th – 14th century (Silk Route), weir system with two flanking, crenellated semicircular towers and battlements, two entry gates with overlying cast openings "Maschikulis", approx. 1000 m² surface of stone blocks

Hamam, Baku, Azerbaijan

2018 - 2019

Historic Old Town "Icheri Sheher", Oriental bathhouse around 17th century (Silk Route), underground facility with around 25 rooms on three floors, originally with towering cupolas and ventilation shafts, total area approx. 300 m²

South side of the nave central section, St. Stephen’s Cathedral, Vienna

2012 - 2021

Eligius chapel around 1360 - 1400 and Bartholomew chapel until 1437, Singertor 1440 - 1450, restored 1894 - 1896, Friedrich pediment 1430 - 1440, restored 1982ff and 1928, decoration of other pediments 1853/1854, restored 1882ff

Lion's Gate south, Coat of arms Leo, Belvedere Palace, Vienna

2017 - 2018

Limestone from Zogelsdorf, 240 cm tall, 1350 kg. 24 years after the last restoration, the decision was made for security reasons, to create a copy of the lion in shaken cast of artificial stone reinforced by fiberglass.

Benedictine Abbey, Frauenzell, Germany

2017

Portal west wing, column shafts

Desalination with Vacuum-Circling Process

26/06/2017

Only available in German.

War memorial, Germersheim, Germany

2017

Monolithic lion sculpture, 210 cm hight and barrel-shaped pedestal, 65 cm hight, diameter 120 cm, Historicism

Family crest, Greillenstein Palace, Lower Austria

2016 - 2017

Renaissance family crest made of limestone from Zogelsdorf

First Exhibition at Beyler Mosque

24/03/2017

After successfully completed total renovation, the first exhibition takes place at Beyler Mosque.

Minaret Juma Mosque, Baku, Azerbaijan

2016

Historic Old Town "Icherisheher",16th century, approximately 25 m height, balcony with differently ornamented parapet panels, decoration with stalactites, among them inscription in "Kufi" writing ornaments, Absheron limestone

Application of Ethyl Silicate Based Consolidants on Sandstone with Partial Vacuum: A Laboratory Study

06/09/2016 - 10/09/2016

Science and Art: A Future for Stone: Proceeding of the 13th International Congress on the Deterioration and Conservation of Stone, Volume 2. Paisley: University of the West of Scotland. S. 955ff; by H. Siedel, J. Wichert and T. Frühwirt

Vacuum-Circling Process: A Innovative Stone Conservation Method

06/09/2016 - 10/09/2016

Science and Art: A Future for Stone: Proceeding of the 13th International Congress on the Deterioration and Conservation of Stone, Volume 2. Paisley: University of the West of Scotland. S. 931ff; by Erich Pummer

Ethyl-silicate Consolidation for Porous Limestone Coated with Oil Paint – A Comparison of Application Methods

06/09/2016 - 10/09/2016

Science and Art: A Future for Stone: Proceeding of the 13th International Congress on the Deterioration and Conservation of Stone, Volume 2. Paisley: University of the West of Scotland. S. 889ff; by M. Milchin, J. Weber, G. Krist, E. Ghaffari, S. Karacsonyi

Christ on the Cross, Raasdorf, Lower Austria

2016

Christ on the Cross, new polychromy, 1920

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