Railroad track Câmpina - Predeal (RO)

Railroad track Câmpina - Predeal
(RO)
Railway- / track construction, Câmpina
Modern rail link (Câmpina - Predeal)
Section Comarnic - Valea Larga
Footbridge - Station Busteni
Facts & Figures
Company:
Porr Bau GmbH
Customer:
National Railway Company „CFR“
SA
Project type:
Railway- / track construction
Land / city:
Romania, Câmpina
Commencement:
07.2007
Project status:
Completed
Completion:
11.2011
Contact:
Harald Metzinger
Project description
The railway line Bucharest – Braşov is part of the
pan-European railway corridor IV, which runs
through Berlin – Prague – Vienna – Budapest –
Bucharest, all the way to Constanta on the Black See
coast and to Istanbul.
The Câmpina - Predeal section stretches over a
length of 48 km along the river Prahova in the
southern Carpathians; between the Town of
Campina (426 m) and the Town of Predeal (1093 m)
there is a height difference of more than 600
meters, which had to be overcome.
In the spring of 2007, the Romanian Railway
Company CN CFR SA (Compania Naţională de Căi
Ferate Romania) mandated PORR Technobau und
Umwelt AG (now Porr Bau GmbH) with the execution
of earth and track works on the described section,
including the renovation and new construction of
stations and stops, the execution of slope
protections and drainage structures, as well as of
watercourse constructions.
Extensive service range
The construction of the 121 km-long track system –
most of it being a 2-track section – is performed
under the challenge of a partial track closure, so as
to maintain the public railway and freight transport
along the pan-European corridor. After
disassembling the old track system, removing and
excavating the superstructure and the
infrastructure, the soil is partially replaced, the
drainage system is implemented along the railway
embankment and drainage structures are erected.
The reconstruction of the embankment structure by
using a frost blanket, geotextiles and geo-synthetics
necessary in places is finalized by incorporating the
track ballast layer (ballasting, crushed stone).
After installing the sleeper-rail system, after the
welding works for connecting the rails and various
rail joints, several tamping and stabilization
processes are performed in order to fix the definitive
track position.
For 6 stations (Campina, Comarnic, Valea Larga,
Sinaia, Busteni and Azuga) and 6 stops (Breaza,
Breaza North, Nistoresti, Posada, Poiana Tapului and
Sinaia South), apart from earth and track works, the
infrastructure was reconstructed including the
drainage system, construction of platforms,
pedestrian bridges and tunnels, as well as the
rehabilitation of buildings.
The total construction output of the project is
completed by the accompanying slope stabilization
using anchored retaining walls and
deformation-absorbing geo-nets for 39 construction
objects and by erecting 13 river-control structures
within the reach of the railway tracks to ensure
scour and erosion protection of the river Prahova
through solid concrete weirs and gabion walls.
Challenging environment
Apart from the culture- and country-specific
challenges of developing the project in Romania, the
multicultural PORR project team is also confronted
with numerous construction-specific challenges.
The "Câmpina - Predeal" project is the first railway
project of PORR in Romania and is therefore the
basis for building other sections of the Romanian
infrastructure network within the framework of
complex projects.
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