R. Inbaraj

Design Management & Tender Engineering

Experienced in managing D&B tender designs and construction support, coordinating multidisciplinary teams to deliver cost-effective and technically compliant solutions for LTA, PUB, and CAG projects.

Key Involvements:

• Tender Design Lead: T5 Substructure, Megaspine, T2C
• Detailed Design Support: CR202, T316, CR102, CR203 (ongoing)
• Tender Design: CRL contracts CR102 (secured), CR105, CR108, CR110, CR116, CR117, CR202; NSC N109A
• ECI: CST North, Megaspine, PKIII, T5B, T2C
• International: MTR C1201 Tung Chung West (NEC4 Stage 2)
• Tunnel Design: Tuas Water Reclamation Project (TWRPPL)

• Geotechnical Team Leader for reference design of ERSS for 3 stations (Hougang Interchange, AMK Ave 3, Tampines North), including impact assessment and protection measures.
• Superintending Officer’s Representative for the design and supervision of a 5.5 km HDPE-lined sewer (Ø 0.5–2.5 m) using pipe jacking along Tampines Street 31, Simei Road, and Upper Changi Road East.
• Senior Engineer responsible for impact assessment and settlement analysis for Pebble Bay and Parkshore Condo along the bored tunnel stretch, as part of ST submission to the Building and Construction Authority (BCA).

• Company Overview: Singapore
• Senior Engineer, led and supported a team of 4 design engineers and drafters on ground improvement works (PVD + preloading, vacuum consolidation, vibroflotation, DCM) for Changi Airport Terminal 5 land preparation.
• Led design and coordination (with 2 engineers and drafters) for deep excavation works, including 4 launching shafts and 5 cross passages, with support for 17 stages of traffic diversion.
• Singapore

• Managed detailed design of temporary anchors (2–3 levels @ 2–2.5 m spacing) and strutting to support existing diaphragm walls of UO Superstore and Plaza Warisan basement during floor slab demolition.
• Responsible for ERSS analysis and design, and temporary works for station and entrance structures, including cross passages, as part of D&B tender submissions.

• Managed geotechnical design for 7 cut-and-cover stations and associated bored tunnels. Responsible for settlement analysis, building damage assessment, and instrumentation monitoring throughout construction.

• Responsible for design and construction of TERS using tubular pipe pile walls. Provided construction support for shop drawings related to TERS, bored piling, DCM, and JGP.
• Involved in Kentledge and O-cell load test proposals and interpretations, as well as ERSS instrumentation and monitoring.

• Company Overview: Muscat
• Responsible for planning and supervising soil investigation schemes, preparing interpretive geotechnical reports with recommendations.
• Conducted and interpreted DHT, Pressuremeter, and Dynamic Cone Penetration tests.
• Muscat

• Responsible for the design of Shallow /deep Foundations. Soil and Rock Stability Analysis. Design of Deep Excavation Support Systems. Design of Ground Improvement Schemes etc.
• Involved in various projects including Delhi Metro Rail Project and Bhadrak-Dhamra Rail Link Project.