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The MRT Sungai Buloh-Kajang Line

The MRT Sungai Buloh-Kajang Line - Maccaferri Corporate

Two rockfall products, HEA Panel and Steelgrid MO will be provided by Maccaferri engineering for the rail-based public transport line.

The Klang Valley Mass Rapid Transit (KVMRT) project involves the construction of a rail-based public transport network which, together with the existing light rail transit (LRT), monorail, KTM Komuter, KLIA Ekspres and KLIA Transit systems, form the backbone of the Greater Kuala Lumpur/Klang Valley region.
The first line of the Klang Valley MRT Project to be implemented is the 51km MRT Sungai Buloh-Kajang Line.

The line begins from Sungai Buloh, located to the north-west of Kuala Lumpur, and runs through the city centre of Malaysia’s capital city before ending in Kajang, a fast developing town to the south-east of the city.

About 20 percent of the line is aligned underground and thereby rendering tunneling works as a major part of its construction.  The construction areas are challenging due to its high density and populated environment.

The line will run underground for a distance of 9.5km beneath the centre of Kuala Lumpur while the rest of the alignment is elevated. The line will have 31 stations of which seven will be underground.

The contractor was doing tunneling works along Jalan Inai, off Jalan Tun Razak, which is located in the heart of the city.  Inai shaft is not only the deepest but also the narrowest amongst all MRT shaft in the Klang Valley. There are two tunnels stacked parallel, one on top of the other, at about 6m distance away.

The contractor  requires some safety net that is strong enough to withstand the internal drilling/ boring of the upper tunnel, whilst there are live work platform at the bottom tunnel opening. There is a steel working platform overhang at the top tunnel opening to facilitate the workings on the lower levels.

In order to prevent rocks and hazard-size debris from falling to the lower levels, Maccaferri engineering team recommended a combination of two rockfall products, that are HEA Panel and Steelgrid MO.

The heavy duty wire ropes on the HEA Panel is robust and tough enough to stop rocks, whereas the smaller opening wire mesh on Steelgrid® MO is able to interrupt hazard-size debris.

All construction works need to be stopped while the rockfall nettings are being installed and as a result, it was completed in less than 3 days.

Each train set serving the line will have four cars, allowing a total capacity of 1,200 passengers. The daily ridership is estimated to be about 400,000 passengers. Trains will run at a frequency of 3.5 minutes.

With the Klang Valley MRT, the target having 50% of all journeys in the Greater Kuala Lumpur/Klang Valley region to be on public transport can be achieved.

For more informations about Maccaferri project contact Maccaferri subsidiary in Malaysia

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