Redevelopment of the Vinice shopping centre and offices
construction
Factbox
Client: CARPET INVEST s.r.o.
Contractor: PORR a.s.
Contract Type: Generalunternehmer
Project Type: Building construction . Revitalisation
Scope: Conversion and redevelopment of an office building
Construction Start: 05/2018
Construction End: 09/2019
Location: Prag
PORR is taking on a challenging revitalisation project in the heart of Prague, which extends far beyond the scope of a typical renovation project.
In order to meet the requirements of a modern media building, only the supporting structure will be retained during the revitalisation of the old office building. Everything else is demolished and replaced by new, sometimes very sophisticated structures.
Long history
In less than 1.5 years, PORR is transforming a staid office building from the 1990s near the centre of Prague into a modern media house. The main tenant will be a media group which, with seven television channels and six radio stations, is one of the heavyweights of the Czech media landscape. With a duration of more than six months, the actual revitalisation was preceded by an unusually long tendering process. PORR used this period to work together with the client and in close cooperation with the building services department to develop an optimal refurbishment concept within a given budget. In order to optimise the process on the construction site, a 3D model of the complex steel structures was also created together with the subcontractors. In addition to the pricing, this comprehensive project preparation was one of the foundation works for awarding the contract to PORR.
Together with the client and other project participants, we developed an optimised renovation concept.
Construction planner, PORR a.s.
Hardly a stone is left unturned
The building consists of three basement floors and eight upper floors. In addition to an underground car park, the basement floors will house a television studio as well as several storage and technical rooms. In addition to the lobby, the ground floor will house a supermarket and a further 600 m² television studio. The heart of the new media centre will be on the first floor. This is where the main entrance, the main news studio, several broadcasting studios, a café and a pizzeria are located. The remaining floors consist mainly of offices and ancillary rooms. Only the supporting structure remains from the original building. Everything else - from the exterior walls, building services and electrical installations to the lifts and interior construction - will be demolished and replaced. The specific requirements of the future tenant with news and broadcasting studios are well above the level of a classic rehabilitation. For example, parts of the existing ceiling structure, including the supports, had to be removed and the new structure structurally reinforced accordingly. The new roofing is designed without supports and the reinforced concrete composite slab is suspended from a steel truss structure. Due to the high demands on room acoustics in conjunction with glazed partition walls, special attention had to be paid to airborne sound insulation.
The supporting structure
The construction site is supplied via an existing tunnel and with the help of large-capacity construction site lifts.
Head of Acquisition, PORR a.s.
Logistical challenge
The location of the building on the district's main traffic artery, as well as the densely built-up neighbourhood, made the construction work a logistical challenge. In addition, the supermarket had to remain open while work on the rest of the building was ongoing and some parking spaces in the underground car park were used as public car parks during the entire construction runtime. These unusual conditions had to be taken into account during the entire construction work. All construction processes must be planned in such a way that public life in the immediate vicinity of the construction site is restricted as little as possible. The construction site is supplied via an existing supply tunnel and with the help of large-capacity construction site lifts installed in the current atriums of the property.
Equipped for the future
With the revitalisation of this office building in Prague, PORR has secured an important reference for future orders. It is already foreseeable that numerous office buildings from the 1990s will come onto the market in the Czech Republic over the next few years with the aim of being repurposed.
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Gross floor area
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Car parking spaces
Technical data
- Built area
5.047 m²
- Upper floors
8
- Basement floors
3
