Bonn Arch
The Bonner Bogen is a newly developed area on the banks of the Rhine on the border of Bonner neighborhoods Ramersdorf and Oberkassel in district Beuel . It is home to an ensemble of buildings . Originally there was a cement factory there ; that led to the designation of the area as a cement factory . Today there are office, restaurant and hotel areas on the site while retaining some of the original buildings. Three successive construction phases are referred to as Rheinwerk 1 to 3 . The still undeveloped parts of the area facing away from the Rhine are the last large structural reserve areas within the area of the former federal quarter development measure .
location
The site is on the right bank of the Rhine , between Oberkassel in the south and Ramersdorf in the north. At the Bonner Bogen, the Rhine makes a striking westward bend, where the southern one of the Bonn Rhine bridges connects both sides of the federal quarter. In the south the site of the former Duwe sack factory joins on the Oberkassel side, in the northwest the Limperich part of the Rheinaue . Nearby are the Bonn-Oberkassel train station and the Ernst-Kalkuhl-Gymnasium , the right Rhine route runs east of the Bonner Bogen and crosses the underpass of Heinrich-Konen-Straße, which opened in 2006. Since the redesign, the site has been accessible via Karl-Duwe-Strasse, Joseph-Schumpeter-Allee, Oberkasseler Ufer and Hermann-Bleibtreu-Ufer and is crossed on the river side by the Rhine embankment promenade. The Rheinwerkallee runs right through the area. The Ankerbach flows into the Rhine east of the Bonner Bogen .
history
Beginnings
In 1853, the Bonn Mining and Huts Association was founded in the region . This happened under the leadership of Hermann Bleibtreu , who introduced Portland cement in Germany. On June 12, 1856, he received a permit to manufacture cement. The site between Beuel and Oberkassel was chosen because of the favorable location on the Rhine for transport and the proximity to lignite and alum extraction on the Ennert-Hardt . In 1858, production began in the “Bonn Portland cement works” - initially only at the southern end of today's site. Initially, six shaft furnaces were in operation. After Buxtehude (1850) and Züllchow near Stettin (1855), the Ramersdorf plant was the third for the production of Portland cement in the former German Confederation . After the opening of the railway line on the right bank of the Rhine (1870), the plant was connected to the Oberkassel train station, and it was also posted under Oberkassel.
Development and decline
In the course of time, the area around the former cement works was expanded to include additional production and administration buildings to the north. Towards the end of the 19th century a large shipyard and loading facility was built, which was expanded by two tow cranes during the boom in the cement industry around the turn of the century. In 1897/98 the water tower was built to secure the plant against fire. From 1909 to 1911, Hüser & Cie built a 60 meter high and 2.5 meter wide cylindrical chimney using the Weber system.
After the Wicking Group tried to take over the plant, a friendship contract was signed with the Dyckerhoff company , and a merger later took place . During the global economic crisis from 1929 onwards, the cement factory cut back its production considerably, and the number of employees fell from 450 to just 40 at the end of 1932.
During National Socialism , the plant was called “Bonner Portland-Zementwerk Aktien-Gesellschaft” and belonged to a nationwide union of the cement industry. Production was further increased for motorway , industrial and armaments constructions; Bonn cement was used in the Westwall, for example . There was no serious damage during World War II.
In 1946 the Allied military government gave the cement works permission to manufacture cement again, and after the currency reform in 1948, operations could be fully resumed. In 1964 the plant had 430 employees. In 1985 it was completely taken over by Dyckerhoff AG in Wiesbaden , which had the factory expanded to include a clinker silo, among other things.
Dyckerhoff AG stopped production in the cement plant in 1986 due to a new company strategy and increased environmental protection requirements, closed operations for good at the end of 1987 and sold the entire property to a Bavarian real estate company in 1988 . In the same year, the demolition of the plant began, which was continued in June 1990 with the demolition of two silos and a tower. Only the buildings that have been under monument protection since 1989 have been preserved : the administration building, the director's villa , the “raw mill” - in which lime and stone were ground for cement production - and the water tower. The so-called “deep clearance” of the former factory premises was left to the new owner and dragged on for several years. The Duwe paper sack factory to the south of the cement works also ceased production in 1990.
Development measure
In 1974 an urban development measure was established to promote the expansion and reorganization of what was then the parliamentary and government district on the left bank of the Rhine . Right from the start, it also included areas close to the Rhine in the Beuel district on the right bank of the Rhine (“Beuel-Süd”), to which the quarter - including a connection across the Rhine - was to be expanded. After the closure and sale of the cement works in 1987/88, the opportunity arose to include this area in the development area in the medium term and to make it an "urban bridgehead".
From 1989 the Bonn-based technology company Klöckner-Moeller wanted to set up its head office on the southeastern half of the former cement works site. In 1990 the city of Bonn and Klöckner-Möller organized an urban planning ideas competition for the redevelopment of the site, taking into account a location for the company, to which seven participants were invited and from which the joint concept of the architects Ernst van Dorp and Gottfried Hansjakob emerged victorious. This plan already provided for the preservation of the listed remains of the cement works and the construction of a Rhine promenade in place of the quays of the former works. In the north-western half of the area, federal institutions, including federal ministries , are to be established. In March 1991, Klöckner-Möller rejected its new building plans due to a new company strategy and because of "differences with the city" over the demolition of the historic buildings. After the decision to move the seat of parliament and government to Berlin (1991), the previous objective for the location changed in the direction of a completely private exploitation strategy.
Nevertheless, the city of Bonn stuck to its intention to control the conversion of the site by means of the development measure. The Landesentwicklungsgesellschaft NRW (LEG) as the development agency began with efforts to acquire the land . At the end of 1992 she acquired the site of the former Duwe sack factory. For the reorganization of the entire site, costs of 70 million DM were estimated as part of the development measure, of which 45 million DM were for the acquisition of the cement works site. The proceeds from the Bonn- Hardtberg development measure were used to pre-finance the necessary development measures . In addition, the federal government provided funds from the so-called “emergency aid”, which was paid out to the cities and municipalities of the former capital region from 1992 onwards. The formal inclusion of the approximately 15 hectare expansion area consisting of the former cement works and adjacent areas in the now so-called development measure Federal Quarter took place through an ordinance on September 25, 1993. At the end of 1993, the first purchase agreement was signed between LEG and the owner of the Cement works site. In 1995, this private owner gave up his intention to market the site and offered the property still belonging to him to the developer for purchase. The purchase agreement was concluded at the end of 1995. All in all, the acquisition of the land took up a total of 54 million DM up to 1996, of which the federal government provided 36 million DM, two thirds of which came from so-called "emergency aid" under the agreement based on the Berlin / Bonn law was paid to the cities and municipalities of the former capital region through the compensatory measures for the Bonn region (1994).
In the 1990s, the site was discussed by DARA , the European Central Bank , the caesar research center and a luxury hotel, among others . At first there was a dispute about the use of the site. In 1999, the Bonn CDU spoke out in favor of converting large parts of the site into a marina. In the end, Lord Mayor Bärbel Dieckmann ( SPD ) prevailed and the area was designated as a special development area for innovative industries.
History of the Bonner Bogen
From 1998 to 2000, the Rheinuferpromenade from the Rheinaue in the direction of Königswinter , which had previously been interrupted by the factory premises , was expanded by 400 m through it and at the same time according to plans by the Munich landscape architect Gottfried Hansjakob at a cost of 3.5 million DM from funds from the development measure the bank reinforcement ( quay walls ) renovated. As the first investor in March 2002 the company's shareholders bought GWI ( Society for Business Consulting and computer science ) with the newly established project development - and real estate company BonnVisio a part of the site. Together with the city of Bonn, plans were made to redesign the plant as an office complex under the name BonnVisio - Innovationspark am Rhein . In order to ensure the quality of the immediately planned new building and the further development, the GWI organized a limited architectural competition with 14 participants for the south-eastern area of the site with ideas for the other building plots, the winner on June 10, 2002 being the Bonn architect Karl-Heinz Schommer was announced. Schommer planned a development in three sections. Three property companies were founded under the names Rheinwerk 1, 2 and 3 for the construction and rental of the areas not directly assigned to GWI.
With the beginning of the first construction phase in December 2002, the listed director's villa in the southeastern part of the area was renovated and supplemented by two new office complexes. Completion took place in April 2004. In the second construction phase, the historic and listed stone mill, the so-called Rohmühle, was renovated as an office building from January 2004 and supplemented by a modern extension with a glass facade. Completion took place in 2006. At the same time, a modern office complex consisting of three U-shaped building sections was built behind the Rohmühle as "Rheinwerk 1" and was completed by the end of 2005. The majority of the other new buildings were only created in the years 2008 to 2014 with the further construction phases "Rheinwerk 2", "Kameha Grand Bonn" and "Rheinwerk 3". The intentions of the state development company from 2007 to build additional luxury apartments on the southern, neighboring site of the former "Sackfabrik Duwe" were initially postponed until 2017 due to the designation as a retention area due to the construction work on the planned S-Bahn line 13 . Until a final plan has been made, the Bonn beach bar is located on this site in the summer months.
Bonner Bogen today and use
The Rhine promenade runs through the site as a wide cycle and footpath above the old basalt-clad shipyard or quay wall of the former plant. There are various benches with a good view of the Rhine Valley. The director's villa in the south-eastern part of the site is used by the University of Bonn and the other parts of the building on this area have been the headquarters of Agfa HealthCare GmbH since 2004 .
If you follow the Rhine upstream, the Rohmühle is to the west of the director's villa. On the ground floor there are offices, a restaurant and a café. The three new buildings behind it, U-Body , Solitaire North and Solitaire South, are the office space of the so-called Rheinwerk 1 , which the property company of the same name rented out individually. Most of the tenant companies belong to the IT , consulting and technology sectors, and Rheinwerk 1 currently has around 13,600 m² of office space. Further west of Rheinwerk 1, the 5- star design hotel Kameha Grand Bonn was built between 2007 and 2009 , which has 192 rooms, 62 suites and space for up to 2500 event guests. The up to five storeys high, elliptically shaped building was also designed by Karl-Heinz Schommer . The Dutch designer Marcel Wanders was commissioned with the interior design . The opening took place on November 15, 2009. In 2010 the property was awarded the international MIPIM Award in Cannes.
In addition to the hotel construction site, the “Rheinwerk 2” office complex was completed in 2008. Similar to “Rheinwerk 1” to the east, it consists of four individual buildings grouped around a green area. On the Rhine side rises a four-storey building block with a brick facade, which is based on the historic Rohmühle. To the north are two four-story buildings with full glass façades, which delimit the central green area. The northern end of the ensemble is a six-story U-shaped building, which also has full glazing.
In 2010, a further office complex was completed on Konrad-Zuse-Platz in the eastern part of the Bonner Bogen, the site of the former Duwe sack factory. The private company building stands out due to the honeycomb floor plan (octagon) and the yellow and white color scheme.
To the west of “Rheinwerk 2”, three more office buildings were built between March 2012 and the beginning of 2014 under the name “Rheinwerk 3”. They are elongated bars that fan out perpendicular to the Rhine. The complex closes the arch to the west. It borders directly on the nature reserve of the Beueler Rheinaue . It was completed in February 2014.
U-body of the "Rheinwerk"
Agfa HealthCare wing
The raw mill
Water tower
Rheinwerk 3 under construction (October 2012)
Rheinwerk 3
"Konrad-Zuse-Platz 5"
Joseph-Schumpeter-Allee, new building 2015, aerial view
Across from the water tower, along the railway line south of Heinrich-Konen-Strasse, a multi-storey car park with around 520 parking spaces was completed in spring 2012 . Facing Konrad-Zuse-Platz, directly in front of the multi-storey car park and connected to it at the rear, another five-story office building was built from 2012 to the end of 2013. The building was initially called "House of Freelance Professions" and at the end of 2013 it was renamed to "Konrad-Zuse-Platz 5" according to the address. A restaurant and a kitchen studio are located on the ground floor. In September 2014, the building permit for our own jetty at Bonner Bogen was granted. At the start of the season at the beginning of April 2015, it was accepted into the shipping operations of the Bonn Passenger Shipping Company, and the official inauguration took place on April 22nd.
Further planning
A daycare center is to be built in the future. [obsolete] A total of 350 million euros have been invested on the site and 4500 jobs have been created. The area between Landgrabenweg and the railway line, where T-Mobile's temporary office buildings stood until the end of 2008, offers further expansion opportunities . For this property with an area of 37,085 m², a total of 22 buildings are planned in three construction phases, including office buildings for around 2000 workplaces, shops and restaurants under the name “Rhein-Palais”, which are designed in a neoclassical style. The construction project started in the spring of 2014 and should be completed by 2020 at the earliest after a dispute between the investor and the city about the removal of contaminated sites for the second and third construction phases and is expected to cost 200 million euros.
References and comments
- ↑ General-Anzeiger Bonn
- ↑ General-Anzeiger Bonn
- ↑ The border between the districts of Oberkassel and Ramersdorf runs in the streets Heinrich-Konen-Straße - Konrad-Zuse-Platz - Rheinwerkallee, while the border between the districts of Beuel and Oberkassel is formed from the Konrad-Zuse-Platz by the Oberkasseler Ufer , so that the majority of the site is in the Beuel district.
- ^ Willi Hey: Oberkassel in the mirror of old postcards , Edition Lempertz, Bonn 2005, ISBN 3-933070-70-8 , p. 46.
- ^ A b Walter Buschmann: Bonner cement factory. Rheinische Industriekultur eV 2004–2006
- ^ Gustav Lang, Der Schornsteinbau , ISBN 978-1-145-63173-1 , Hanover, p. 585
- ↑ Ansgar Sebastian Klein : Oberkassel in the time of National Socialism . In: Bonner Heimat- und Geschichtsverein , Stadtarchiv Bonn (ed.): Bonner Geschichtsblätter. Yearbook of the Bonner Heimat- und Geschichtsverein , Volume 57/58, Bonn 2008, ISSN 0068-0052 , pp. 319-344 (here: p. 320).
- ↑ a b c d e f g h i j k l m n o p q r s t u v w x y The Lord Mayor of Bonn (ed.); Friedrich Busmann : From the parliament and government district to the federal district. A Bonn development measure 1974-2004 . Bonn, June 2004.
- ^ 150 years of Bonn's Portland cement works in Oberkassel ( memento from June 7, 2013 in the Internet Archive ), Heimatverein Bonn-Oberkassel
- ↑ List of monuments of the city of Bonn (as of March 15, 2019), p. 43, number A 1559
- ^ A b Christian Holl: BonnVisio & Rohmühle Bonn. The New Architecture Guide No. 86.
- ↑ Klöckner-Möller stays in Bonn and builds in Weststadt. In: General-Anzeiger , March 22, 1991
- ↑ Start of construction on the site of the former cement factory. In: Rundschau-Online , January 14, 2003
- ↑ Rheinwerk 1 office campus in Bonn , BonnVisio
- ↑ http://www.general-anzeiger-bonn.de/lokales/bonn/der-mipim-award- geht-ans-kameha- article18833.html
- ↑ Groundbreaking ceremony for Rheinwerk 3 on the Bonner Bogen. In: Weltjournal.de , April 2, 2012
- ↑ The building boom in the Bonner Bogen continues. In: General-Anzeiger , May 8, 2013
- ↑ a b "Rheinwerk 3" is completed. In: General-Anzeiger , February 22, 2014
- ↑ The icing on the cake at the Bonner Bogen. In: General-Anzeiger , April 22nd
- ↑ Investor promises French flair. In: General-Anzeiger , March 19, 2015
- ↑ This is why construction work on the Rhein-Palais is stalling , General-Anzeiger , August 1, 2018
literature
- Christian Holl: BonnVisio & Rohmühle Bonn. The New Architecture Guide No. 86 . Stadtwandel Verlag, Berlin 2006, ISBN 3-937123-75-X .
Web links
- Walter Buschmann: Bonn cement factory , Rheinische Industriekultur eV 2004–2006
- Chronicle and press review of the Heimatverein Bonn-Oberkassel ( Memento from June 7, 2013 in the Internet Archive )
- Website of the operating company "BonnVisio". Retrieved January 26, 2016 .
Coordinates: 50 ° 43 ′ 3.9 ″ N , 7 ° 9 ′ 10.2 ″ E