Renovation of the Hump of Skirotava Marshaling Yard

Customer: Latvijas dzelzceļš

Start date: February 2012
Finish date: August 2015

Within the framework of the Project the target of increasing the carrying capacity of wagons for the hump in Skirotava Marshaling Yard up to 3 500 wagons per 24 hours is reached, therefore the Customer, SJSC Latvijas Dzelzceļš, can process the increased flow of railway freight traffic.


Automatic Solid State Interlocking and Siemens MSR32 Hump Control System is introduced for classification and marshaling works with automatic regulation of wagon speed, using three positions of retarders.

Within the framework of the Project the following systems are modernized and/or constructed: power supply, telecommunication, lighting, point and retarder air blasting, point electric heating; plants and equipment providing MSR32 control system operation are installed (hydraulic pump stations, hydraulic wagon retarders, signals, speed measuring devices, wheel sensors, lighting grid, track occupancy control detectors); existing tracks and turnouts not corresponding to technical and operational requirements are reconstructed; classification tracks of Park «В» are aligned.


Project in Facts and Figures:

MSR32 control system;

  - Preparation and construction of basis for hydraulic wagon retarders – 30 pcs.;

  - Hydraulic pump station – 2 pcs.;

  - Radar – 32 pcs.;

  - Track occupancy control device – 52 pcs.;

  - Wheel sensor – 246 pcs.;

  - Cable canalization – 16 km;

  - Installed cables – 46 km;

  - New point machines S700 – 28 pcs.;

New point machines – 31pcs.;

New track construction – 5 km;

Track alignment – 20 km;

Point electric heating construction;

Point and retarder air blasting construction;

Loudspeaker and other telecommunication systems’ construction;

Renovation of Post ЕС in Skirotava station;

Water supply, sewerage and drainage construction;

Transformer substation reconstruction – 3 pcs.;

Power supply cable network.


During the Project execution the Customer continued to operate the hump providing continuous processing of railway cargo.