Germany - Services of architecture, construction and engineering offices and testing laboratories

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Details

Provided by Open Opps
Opportunity closing date
17 January 2022
Opportunity publication date
15 December 2021
Category
71000000: Ar
Value of contract
£1m-5m
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Description

The planning contract to be awarded concerns services for the object planning of buildings in accordance with § 33ff in conjunction with Annex 10, HOAI 2021.The former ducal palace in Wiesbaden is used as an official building of the Hessian Parliament.The listed building, built in 1841, is already being renovated from dry rot in a first construction phase and upgraded in terms of fire protection. The attic floor including the construction was mainly renewed. In the 2nd construction phase now to be carried out, the predominant measures comprise the refurbishment of the interior shell in the basement, ground floor and 1st upper floor as well as the exterior facades.[...continued see attachment "Auftragsbekanntmachung-Anlage zu II.1.4.pdf"].
The Wiesbaden City Palace was built in 1837-41 according to the plans of the architect Georg Moller (1784-1852) by court architect Richard Görz (1811-1880).It is integrated as a corner building into an existing street frontage and signals the politically opportune proximity to the citizens at the time of construction. The wings of the classicist palace, arranged at an obtuse angle to each other along the site boundaries, meet in a cylindrical structure. The diagonal building with the main and secondary staircases adjoins this structure at the bisector of the angle. This connects the "small rotunda" on the palace square with the "large rotunda", the domed hall in the interior of the property. An arched conservatory, built on the arcades above the coachman's roundabouts on the ground floor, brings together the ends of each of the three wings on the first floor. The wings, diagonal building and conservatories of the almost axially symmetrical complex enclose two triangular inner courtyards.The building is today one of the most important buildings of German classicism and is therefore a cultural monument of outstanding national importance. The rather plain exterior hardly betrays the befitting splendour of the interior. In particular, the special features of individual technical solutions devised by Moller (iron constructions of the conservatories and domes, paintings on paper, etc.) as well as the high quality of the furnishings (floors, doors, curtains, stucco marble, chandeliers, etc.) must be regarded as outstanding in this form.The client of the palace construction, Duke Wilhelm von Nassau, died before the building could be completed. His son Duke Adolph von Nassau-Weilburg moved into the building in 1841 as the first and only permanent lord of the castle.With the annexation of Nassau by Prussia in 1868 as the province of Hesse-Nassau, the castle became a popular place of residence for the Prussian royal and later German imperial family - Emperor Wilhelm II in particular was taken with Wiesbaden and resided here during his regular visits.War damage in the Second World War mainly affected the east wing on the square side. Since December 1946, the palace has been the seat of the Hessian Parliament.In preparation for the 2nd construction phase of the restoration measures in the former ducal city palace of Wiesbaden (official building of the Hessian Parliament, Wiesbaden), building-historical investigations took place in the summer/autumn of 2021. In parallel, preliminary restoration investigations are preparing the planned restoration of the interior shell.In a 1st construction phase, the 2nd floor, the attic and parts of the basement are already being restored. The final version of the building parts worked on in the 1st construction phase is essentially based on a concept on the basis of a building-historical investigation as well as the restorative preliminary investigations. These building-historical findings will be supplemented by investigations into the history of the development and alteration of the basement, ground floor and first floor of the former ducal city palace, in particular the wall-fixed furnishings. On the basis of the described building-historical and restorative preliminary investigations a redevelopment concept is to be provided under consideration of the high-quality monument-protected building fabric and equipment and the planned uses.The results of the preparatory investigations and requirements of the user are to be brought together in the context of the planning and updated as a room book. In order to develop a renovation concept and to carry out the planning and supervision of the execution, it is essential that the applicants have proven expertise in dealing with historic listed building fabric. To this end, applicants for the architectural services put out to tender must provide evidence and references that prove their special expertise in the field of monument preservation and their trained professional knowledge. This can be done through appropriate training or further training and/or cooperation with appropriately trained restorers or craftsmen.The total construction costs envisaged (KG200 - KG600) amount to around 20,000,000 euros. The gross floor area to be worked on amounts to a total of approx. 6,000 m².In addition to the representative halls of the first floor, different requirements are to be taken into account for the use of the basement and ground floor. In addition to several workshops and material stores, social rooms as well as rooms for company health management are planned as uses for the basement. The requirements for service rooms and the technical centre were already implemented in the first construction phase. A new elevator and installation shaft, which was also added in the first construction phase, connects all subsequent floors (ground floor, 1st floor, 2nd floor, attic) with each other from the basement. An archive is currently located under the diagonal building; a conversion into a wine tasting room with a cloakroom in front is to be investigated as part of the planning. Underneath the arcades of the coachman's passage is a cellar corridor, which is occupied by technical routes from different construction phases. In addition to meeting rooms and offices, the reinstallation of a library is planned for the ground floor. The installation of media and presentation technology for future users of the library and visitors to the City Palace is planned here. Visitors to the city palace are to be guided through the building by means of a mobile guided tour system. The corresponding technical requirements for office workplaces are to be reconciled with those based on the monument characteristics. The WC facilities and two tea kitchens already completed in the first construction phase are to be integrated coherently into the renovation and restoration planning. The cloakroom and the main staircase in the diagonal building are also part of the planning. A solution proposal for a barrier-free access via the coachman's drives and inner courtyards is to be worked out and coordinated with the Office for the Preservation of Historical Monuments and the HLT.On the 1st floor, the rich interior shells are to be restored and reconstructed in parts according to the specifications of the State Office for the Preservation of Historical Monuments and the user. In this context, the connection of the state rooms on the 1st floor to an air-conditioning system is to be checked from a planning point of view. In some of the rooms used for events and receptions, the connection of transmission technology (video/audio transmissions) must also be taken into account in the planning. A room previously used as a side kitchen (sideboard) is to be completely renovated according to the specifications of the HLT and equipped with large kitchen appliances. All facades of the City Palace (on the square and courtyard sides) are to be revised according to the results of the building research and the requirements of the State Office for the Preservation of Historical Monuments. The exact scope and the individual measures are to be clarified and worked out within the approval under monument protection law, taking into account the requirements of workplace law and barrier-free accessibility, in close consultation with the specialist planners. The measures agreed with the building owner and user are to be coordinated at an early stage with the representatives of public interests who are to be involved. When intervening in the building ground, it must be taken into account that the City Palace is located in a protected area for medicinal springs. In addition, archaeological finds are likely, so that archaeological investigations accompanying the construction work must be included and the necessary time periods taken into account in the scheduling. Due to the diverse uses of the Schlossplatz (city festivals, markets), there is also an increased need for coordination with event organizers in the event that the use of the public space directly in front of the castle is required (scaffolding, BE area).In order to allow the public to view the renovation work during construction, a concept for the implementation of a glass construction site is to be developed. In addition, in the course of the construction process and scheduling, a sensible formation of construction phases should be carried out, which makes it possible to carry out a partial commissioning after completion.Within the framework of the service phases according to HOAI, the State Office for Construction and Real Estate supports the freelancers according to the partial service tables of the LBIH. The client is the State of Hesse, represented by the Landesbetrieb Bau und Immobilien, West Branch. The user is the Hessian Parliament. The planning services are based on the HOAI 2021.1st project stage: Preparation of the ES -Bau, includes planning services of the service phases 2-4, in accordance with the service profile § 34 HOAI and the GABau business instructions for the state building construction of Hesse.2nd project stage: Planning services of the service phases 5-7, § 34 HOAI and GABau business instructions for the state building construction of Hesse.3rd project stage: Planning services of the service phases 5-7, § 34 HOAI and GABau business instructions for the state building construction of Hesse.3rd project stage: Planning services of the service phases 5-7, § 34 HOAI and GABau business instructions for the state building construction of Hesse.Project stage: planning services for work phases 8-9, § 34 HOAI and GABau business instructions for the state building construction of the state of Hesse.3 When creating the digital planning documents, the specifications of the CAD guidelines of the state of Hesse/supplementary agreements on CAD data exchange are to be taken into account.4 The commissioning takes place in stages subject to the budgetary approval of the state of Hesse and provided that there is no important reason for the commissioning. There is no legal entitlement to the transfer of all service levels.

Opportunity closing date
17 January 2022
Value of contract
£1m-5m

About the buyer

Address
Landesbetrieb Bau und Immobilien Hessen, Niederlassung Mitte Zentrale Vergabe Dieselstraße 1-7 Bad Nauheim 61231 Germany
Contact
info.fbt@lbih.hessen.de

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