Oct 30
PT&D Commissions 500 kV Power Transmission Line in Malaysia
PT&D Commissions 500 kV Power Transmission Line in Malaysia
The Power Transmission & Distribution (PT&D) business of L&T Construction has added yet another benchmark to its list of international accomplishments with the commissioning of a 500 kV transmission line between Yong Peng East Substation to Point A at Johor in Malaysia. This is the first 500 kV transmission line successfully completed and commissioned by L&T on EPC basis outside India.
 
Tenaga Nasional Berhad (TNB), the electrical utility, proposed the construction of a 200 km span 500 kV transmission line from Yong Peng to Lenggeng to cater to the emerging power requirements. This transmission line along with the other planned 500 kV substations will reinforce supply into the central area and would also become the backbone of Peninsular Malaysia’s transmission system.
 
The EPC contract for one of the three packages of the transmission line for a length of 65 kms was awarded to L&T through international competitive bidding. The scope of work involved laying of foundations for 168 nos. of lattice towers and its erection and stringing of 1659kms of Quad conductor. The line which traverses mostly through palm estates had two power line crossings, five road crossings, one railway crossing and one gas pipeline crossing. The project also involved construction of a 82.6 m tall special tower for powerline and road crossing in one span. The design and successful testing of this tower was done by PT&D IC’s EDRC team at the tower testing facilities in Kanchipuram.
 
The initiative to use sag bridge for conductor stringing activity was a first by any EPC contractor in Malaysia and won accolades from TNB.

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