Modernization of the line Votice – Benešov u Prahy: Work progress (October 2011)
PRAHA, 5. října 2011 - Given the climatic conditions, planned working processes can be fully developed; modernization work on the line Votice – Benešov u Prahy is underway, in particular due to the ongoing possession of the odd set of tracks in the railway station Olbramovice, including the admission of the local line from Sedlčany.
Along the whole line, currently mostly near the railway station Olbramovice and in the track sections Votice – Olbramovice and Tomice – Bystřice, work proceeds on successive excavations and concreting of the foundations of the overhead line masts, their construction and equipment, subsequent head-span and dismantling of original masts and foundations, modification of cabling and components of the signalling installation, cabling relocation in order to continue the construction.
The work on the railway substructure currently proceeds on the premise of the railway station Olbramovice, within the scope of the reconstruction of the odd set of tracks planned in phases until 25/11/2011. The work in track sections also proceeds between the stations Olbramovice and Bystřice on cuts, embankments, slope work and breaking. Bare slopes after earthwork are covered with humus and networked. In the track section Tomice – Bystřice, an adjacent track is being built and the operation has already been launched on the newly built track.
Work still proceeds on five built tunnels, one is excavated – the Votický - and four are pierced – the Olbramovický, Zahradnický and Tomický and Tomický II.
Near the Votický Tunnel, rehabilitation work was carried out and firms participating in the tunnel equipment still continue their work on suspensions for overhead contact line, installation of the signalling equipment components, as well as the installation of the line for tunnel lighting. The railway superstructure is being set up in the Votický and Olbramovický Tunnel.
In the Zahradnický Tunnel, firms participating in the tunnel equipment continue their work on suspensions for overhead contact line, installation of the signalling equipment components, as well as the installation of the line for the tunnel lighting. Inside the Tomický Tunnel, concreting of cambered concrete and laying of the central drainage were carried out; work proceeds on laying of multi-channels and on backfills of portal sections. Concreting of the secondary lining is carried out inside the Tomický Tunnel II.
Technological facilities are being constructed near the Zahradnický Tunnel.
Construction workers also continue their work on bridge structures. Work was finalized on the construction of the new railway bridge over Road I/18 with the backfill of wings to allow continuation on a new relocation through a railway embankment. On the premise of the railway station Olbramovice, the bridge structure was extended, for the time being its part in the odd set of tracks. The bridge structure of the railway relaying in the track section Tomice – Bystřice was finalized; laying the groundwork near the road bridge was carried out. New pipe culverts are being set up on line relocations; however, it is important to pay attention to proper laying due to different geological
conditions as against the project. As regards the bridges and culverts that are extended or just redeveloped, the work focuses on cutting caverns and their treatment, regrinding, grouting, jetting, jointing, concreting of cornices, or installation of new supports, applying protecting and uniform coats, or paving and attaching a railing.
In the next period in addition to other tasks, work will proceed during the possession of the odd set of tracks in the railway station Olbramovice, work progress of 1st phase, 2nd part.
The construction work calls for necessary traffic closure and detours on neighbouring roads.
In the daytime, the line blockage applies to the ongoing work on the foundations of the overhead contact line. The construction also affects road traffic operations. The traffic is restricted in places where work proceeds on bridge structures or it is directed to bypass roads.
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