RICKSON ARUMUGAM

Subsidiary of Mass Rapid Transit Corporation Sdn Bhd (MRT Corp).

The Mutiara LRT Line is a major light rail transit project under construction in Penang, Malaysia, designed to significantly enhance urban mobility and connectivity, as part of the Penang Transport Master Plan. Key technical and operational details include:

• System Type: Elevated Light Rail Transit (LRT)

• Total Length: 29.5 km

• Number of Stations: 21 strategically located stations, including 20 on Penang Island and Silicon Island and one at Penang Sentral on the mainland.

• SSP MRT Sungai Buloh – Serdang – Putrajaya Line, Malaysia. (08/2016 – 03/2023)
• Managed construction of twin parallel bored tunnels spanning 3.6km from Titiwangsa Station to HKLX Crossover box with two Ø6.38m TBM Machines.
• Oversaw creation of 3,554m stacked bored tunnels from HKLX Crossover box to Ampang Park Station using two Ø6.38m TBM Machines.
• Executed excavation of one escape shaft and two adits, optimizing resource allocation and safety protocols.

• SBK MRT Sungai Buloh – Kajang Line, Malaysia. (06/2012 – 08/2016)
• SBK Line consist a total of 51km MRT rail line with underground tunnel distance of 9.5km and has 31 stations of which 7 will be underground.
• Section of works responsible: 2 TBM launching shafts at Inai.
• 2 stacked bored tunnels from TRX Station/Inai to Pudu Shaft, a total 3600m of Bored Tunnel using two (Ø6.38m) Herrenknecht Variable Density (VD) TBM Machines.
• One Escape Shaft and with two adits.
• One Intervention Shaft with 6 numbers of adit.

• Construction of Ubi Station and Associated Tunnels Downtown Line Stage 3 Contract 930, Singapore.
• The project includes the following: Construction of 2 bored tunnels, DTL MRT from Ubi Station to MacPherson Station, total 1880m of Bored Tunnel using two (Ø6.38m) Kawasaki EPB Machines.
• Construction and Completion of Ubi station.
• 1 TBM temporary Launch Shaft and 1 cross passage.

• Construction and Completion of Tunnels between Promenade and Bay front Station Downtown Line 1 Contract 905.| Land Transport Authority.
• The project includes the following: 5 tunnels, twin stacked for CCLE & DTL MRT from Promenade Station to Bay front station, total 2.4km of Bored Tunnel using two (Ø6.38m) Hitachi Zosen EPB Machines.
• Two Launch Shafts & one Receiving shaft and two escape shafts.
• 3 NATM/SCL Tunnels 170m construction from Shaft to Existing CCL Promenade Station & four cross passages.

• Design and Construction of Malaysian Sewerage Treatment Plant Project: Pantai Trunk Sewer, Phase 1: Package 1 | Drainage & Irrigation Dept.

The project includes the following: 5.4km of Bored Tunnel using two (Ø3.38m and Ø3.68m) Kawasaki EPB Machines.

Secondary Precast Concrete Corrosion Protection Lining with primary HDPE lining.

Two working shafts and four intermediate shaft Ø10.5m to Ø7.5m constructed using ERSS methods including sheet piles & walers, Bored piles, caissons & jet grouting, on-site batched dry shotcrete, in-situ caisson, and secant piling.1 NATM Lateral Connector Tunnel from Shaft to Pump Station.Permanent manhole construction.AKS liner HDPE sheet installation for 5 numbers of permanent manhole constructions of Ø5m.

• Storm Water Management and Road Tunnel (SMART)(North-South Ingress/Egress C&C Tunnels, subcontractor to MMC-Gamuda JV)
• The project includes the following: Excavation and Control blasting of 174,000m³ lime stone cut and cover tunnels, which will serve as ingress and egress for vehicles to SMART tunnel.
• Temporary shotcrete support and rock bolting.

• Deep Tunnel Sewerage System (DTSS T04), Ang Mo Kio Shaft and Tunnel, subcontractor to Samsung Corporation.
• Completed construction of 820-meter lateral connector tunnel for deep sewerage system in diverse geology.
• Applied New Austrian Tunneling Method (NATM) and drill and blast for effective excavation.
• Connected tunnel infrastructure to primary wastewater treatment facility in southern coastal locale.
• Facilitated discharge of treated effluent through dedicated deep-sea outfall.

• Changi Airport MRT Station Contract 504, subcontractor to Kumagai-Sembawang JV.
• Executed construction of MRT overrun tunnels measuring 120m, underpinning, and cross passages in Old Alluvium geology beneath existing operational Terminal 2 Changi Airport arrival/departure buildings.