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Specialist for small networks

On small networks for suburban traffic in urban areas, versatile machines for the operation on tracks and turnouts are in demand. Light Rail Manila Corporation (LRMC), operating a viaduct line with tight clearance gauge and curves was looking for a compact, light and, above all, reliable machine.

The Junior 08-16/4 is a top-standard tamping machine ensuring optimum output and quality also on small networks. For this machine concept, Plasser & Theurer top technology has been packed into a compact machine frame. Designed for 1,435 mm track gauge, the four-axle machine has two bogies. It has low axle loads of just under 10 t and is suited for smallest radii of 27 m.

All this makes the Junior 08-16/4 a reliable and versatile track maintenance machine. Equipped with proven tamping units, the machine is at LRMC’s disposal both for regular maintenance works on the elevated railway line and for the fast repair of disruptions.

Work units for maintenance of tracks and turnouts 

The machine has been equipped with Split Head tamping units carrying a total of 16 tamping tines. The new rotation speed modulation of the tamping units significantly reduces the resistance when penetrating the ballast bed. The four work unit halves can be displaced laterally in pairs and can be lowered independently. This enables highly flexible track tamping also in the area of the guard rail and in turnouts. To prevent damage to the diaphragm of the elevated railway the machine control enables an infinitely variable tamping depth control.

The lifting and lining unit is adapted to this method of work. The basic equipment comprises lifting hooks for safe turnout lifting. They are ideally complemented by roller lifting clamps for track lifting. Once placed in working position, they do not have to be lifted when the machine moves forward as the control system automatically switches off the pressure. This increases the work output. In addition, the unit can be laterally displaced crosswise to the track. This makes it possible to restore the track geometry on smallest radii.

The Junior 08-16/4 is fitted with the same components as our high-performance tamping machines.

Equipped like the big systems

The Junior 08-16/4 is fitted with the same components as our high-performance tamping machines. This includes, for example, the sturdy and service-friendly design, the large measuring wheels and the use of steel cables as a reference base. The WIN-ALC automatic guiding computer with flat screen and the CMS and CWS systems control the machine during operation. The enclosed, air-conditioned drive and work cabin with lateral sliding doors is sound and heat insulated. For travelling in both directions, the driver’s control desk is positioned crosswise to the direction of travel. 

Suburban traffic in Manila

MRT Manila stands for Manila Metro Rail Transit System in the capital of the Philippines. On 1st December 1984, the LRT 1 line was put into service. Today, the network has three lines. Every day, more than 1.3 million passengers use the lines. 

LRT Line 1 covers 20 km and has 20 stations. In September 2015, the 32-year concession for the operation and maintenance of LRT Line 1 started. Obtained by LRMC Light Rail Manila Corporation, the concession also includes a project for the 11.6 km extension of the line to Bacoor, Cavite. The line running in north-south direction is built as elevated railway on pre-assembled concrete piles (earthquake-proof). Stations can only be accessed via steps as both escalators and elevators are not available.