BRIDGE AND TUNNEL

ZEKON Indonesia offers complete Engineering, Procurement, and Construction (EPC) solutions for the development of bridges and tunnels that serve as vital components of national and regional transportation networks. Our division specializes in delivering complex civil infrastructure projects in both urban and rural terrains, including river crossings, interchanges, viaducts, underpasses, and mountain or urban tunnels. With extensive engineering expertise, in-house construction capabilities, and adherence to international standards, ZEKON ensures that each bridge and tunnel we build is safe, durable, and resilient, optimized for long-term use under diverse environmental and loading conditions

Bridge & Tunnel Construction Services

Connecting Regions with Engineered Precision

We provide comprehensive construction services for bridges and tunnels, delivering safe, durable, and efficient transport infrastructure. Our team specializes in complex civil works for both urban and remote environments, using innovative methods and strict quality controls.

Our Services Include:

1. Feasibility Study and Technical Planning

• Site reconnaissance and alignment study
• Geological and geotechnical investigations (boreholes, rock classification, fault mapping)
• Hydrological analysis for river crossings
• Traffic volume studies and corridor planning
• Preliminary concept design and cost-benefit analysis
• Risk and constructability assessment

2. Detailed Engineering Design

• Bridge engineering:
  • Short-, medium-, and long-span bridges
  • Concrete girder, steel truss, cable-stayed, or suspension systems
  • Integral, semi-integral, or jointed abutments and piers
• Tunnel engineering:
  • NATM, TBM, cut-and-cover, and box jacking methods
  • Slope stabilization and ground treatment design
  • Ventilation, lighting, drainage, and fire safety systems
• Seismic analysis and wind loading simulation
• Value engineering and structural optimization
• BIM modeling and clash detection

3. Procurement and Material Sourcing

• Procurement of structural steel, pre-stressed girders, rebar, concrete, anchors, etc.
• Specialized tunneling equipment and tunnel liners
• Bridge bearings, expansion joints, formworks, launching girders
• Procurement scheduling and logistics planning
• QA/QC procedures aligned with PU, FIDIC, and international norms

4. Construction and Implementation

• Site preparation, access road development, and temporary works
• Piling, foundation, caisson, or bored pile installation
• Superstructure erection (incremental launching, balanced cantilever, or cast-in-place)
• Tunnel excavation, shotcrete, rock bolt installation, waterproofing
• Construction of approach roads, ramps, retaining walls, and guardrails
• Utility relocation and temporary traffic management during execution
• Night-shift construction and staged traffic flow for urban zones

5. Tunnel and Bridge Systems Integration

• Lighting, ventilation, fire suppression, and communication systems
• Intelligent Transport Systems (ITS) for traffic monitoring
• Drainage and dewatering infrastructure
• Expansion joints, seismic dampers, and corrosion protection
• Landscaping and integration with surrounding infrastructure

6. Testing, Commissioning, and Handover

• Load testing and structural performance validation
• Water-tightness and leak detection for tunnels
• Road surface quality and safety audits
• Documentation and final inspection by regulatory authorities
• Operation & maintenance training and warranty support