Made In Indonesia · EPC Specialists
ProjectExperience
From 3 km overland conveyors and 10,000 DWT jetties to mining camps, process plants and hauling roads, Rexline delivers engineering, fabrication and project execution across Indonesia and selected international markets.
Project Showcase Video
32
Project references
9
Indonesian provinces and Timor-Leste
750+
Engineers, technicians and field personnel across Indonesia
2026
Edition
Company Overview
One Organisation From Design To Handover
PT Rexline Engineering Indonesia designs, engineers, procures, fabricates, constructs and commissions critical infrastructure for mining, energy and industry. Member of an Australian engineering group, with a head office in Surabaya and an owned heavy fabrication facility in Lamongan, East Java.
What we deliver
- Bulk material handling and conveyor systems
- Transfer stations, crushing and screening
- Jetties, ports and marine structures
- Storage tanks and fuel systems
- Workshops, warehouses and industrial buildings
- Remote camps and housing
- Hauling roads, fencing and civil works
- Process plants and engineered equipment
Sectors
- Mining: coal, copper, gold, nickel, limestone
- Ports, jetties and bulk terminals
- Power generation
- Fertilizer, agro and plantation
- Fuel and energy storage
- Cement, chemicals and heavy industry
Workforce
- 750+ engineers, technicians and field personnel across Indonesia
- Civil, structural, mechanical, electrical, instrumentation and process engineers in-house
Engineering tools
- SAP2000 (structure and piling)
- Tekla Structures (detailing)
- SolidWorks, Kyro (mechanical)
- Helix (conveyor design)
- AutoCAD, Civil 3D, SketchUp
Certification
- ISO 9001:2015, ISO 45001:2018, ISO 14001:2015
- SBU construction and consultancy certificates
- Port construction standard certificate (KBLI 42912)
- View the certificates
Company Overview
Fabrication Facility, Lamongan
Rexline shop-details, cuts, welds, coats and dispatches its own structures, then erects them. Conveyor structures, tank components, rampdoors, tripper cars and building frames in this document were produced here.
Contents
Eight Fields, 32 Projects
Section 01Bulk Materials Handling, Ports & Marine5 projects · 01–05
Section 02Process Plants5 projects · 06–10
Section 03Fuel Storage & Distribution4 projects · 11–14
Section 04Workshops, Warehouses & Industrial Buildings4 projects · 15–18
Section 05Workforce Camps & Housing3 projects · 19–21
Section 06Hauling Roads & Civil Works4 projects · 22–25
Section 07Engineered Equipment2 projects · 26–27
Section 08Studies, Design & Supervision5 projects · 28–32Section 01
Bulk Materials Handling, Ports & Marine
Project 01 / 32
Bulk Materials Handling, Ports & Marine
3 km Overland Coal Conveyor
Sebalang, Lampung
Engineering
- Soil inspection and foundation design
- Technical study and detailed engineering drawings
- Complete conveyor design and specification
- Bill of quantity for construction
- Civil, mechanical, electrical, instrumentation and fire fighting
Fabrication & supply
- 950 t steelwork, platework and rebar, 100% made in Indonesia
- Rollers, pulleys and brackets
- Drive system, roller system and belt
- Belt weighing system
Construction & commissioning
- Survey, elevation and excavation; rebar and formwork
- Mobile batching plant on the alignment
- Pre-assembly, anchoring and structural erection
- Mechanical and electrical installation
- Dry and wet test commissioning
01
Marine trestle, stockyard and transfer points
Sebalang, Lampung
01
Erection, galleries and live-line inspection
Sebalang, Lampung
Project 02 / 32
Bulk Materials Handling, Ports & Marine
1.1 km Barge Loading Conveyor & Jetty
Batu Tuhup, Central Kalimantan
Engineering
- Topography and bathymetry
- Soil investigation and piling analysis
- Jetty design and structural analysis
- Barge loading conveyor system design
- Drawings, specification, BOQ and cost estimate
Fabrication & marine works
- 853 t steelwork and rebar, piling and piping, conveyor structure
- Piling by hammer and boat methodology
- Pile bracing (welded), pile cap and fender installation
- Platform installation and anchoring
Construction & commissioning
- Survey, elevation and excavation; rebar and formwork
- Mobile batching plant
- Pre-assembly, anchoring and erection
- Mechanical and electrical installation
- Dry and wet test commissioning
02
Marine works, conveyor foundations and site overview
Batu Tuhup, Central Kalimantan
Project 03 / 32
Bulk Materials Handling, Ports & Marine
10,000 DWT Jetty & 1,000 TPH Barge Loader
Central Kalimantan
Marine
- River jetty engineered for Kalimantan soil and current
- Dolphins, mooring and fendering
- Piling by hammer and boat methodology; pile caps and platform
Materials handling
- Turnkey 1,000 TPH barge loading conveyor
- AR-lined impact-resistant hopper for mining dump trucks
- Reinforced retaining wall to hopper area
Delivery
- Barge and limited-road transport of oversized modules
- Pre-assembly, anchoring and erection
- Mechanical and electrical installation
Project 04 / 32
Bulk Materials Handling, Ports & Marine
Multi-Purpose Cargo Jetty
Merauke, South Papua
Under constructionEngineering
- Jetty layout and structural design
- Fender frame design
- Construction methodology for river works
Fabrication
- Fender frames fabricated and coated
- Structural steel for the jetty works
Construction
- Barge-based marine works
- Piling and fender installation
- Site works by Rexline crews
04
Fender-frame fabrication, bracing and protective coating
Merauke, South Papua
04
Marine fender installation and river cargo interface
Merauke, South Papua
Project 05 / 32
Bulk Materials Handling, Ports & Marine
Marine Tower Crane Foundation & Erection
Merauke, South Papua
Under constructionEngineering
- Crane foundation design
- Tower section and base assembly planning
- Lifting plans for erection
Fabrication & supply
- Tower sections and base frames prepared on site
- Coating and assembly
Construction
- Foundation excavation, rebar and formwork
- Base embedment and concrete works
- Erection of tower sections by mobile crane
05
Fabricated jib assembly and Rexline operator-cabin installation
Merauke, South Papua
05
Starter-mast foundation and slewing-platform assembly
Merauke, South Papua
Project 06 / 32
Process Plants
NPK Fertilizer Plant
Mojosari, East Java
Engineering
- Soil investigation and piling analysis
- Technical study and detailed engineering
- Plant specification and layout mapping
- Civil, mechanical, process, automation, electrical, instrumentation
Manufactured in-house
- Mixer rotary and drum granulator
- Rotary drum 3.4 m dia × 36 m long
- Coating rotary drum and drum boiler
- 25-unit conveyor system
- Vibrating screen, chimney and refractory
Supply & construction
- Pumping, ducting and scrubber packages
- Hopper weighing and automated bagging
- Civil works and mobile batching
- Erection, installation, dry and wet tests
06
Rotary-drum fabrication and heavy-lift installation
Mojosari, East Java
06
Screening equipment, structural steel and process ductwork
Mojosari, East Java
06
Conveyor integration and process-drive equipment
Mojosari, East Java
Project 07 / 32
Process Plants
Briquette Heater Station
Mojosari, East Java
Design basis
- Briquette (solid fuel) heater
- Heat output 10–50 kW
- Airflow 500–2,000 m³/h forced convection
- Thermostat control 40–60 °C
Performance
- 20–40% RH reduction in storage/production areas
- Briquette consumption 1–5 kg/h
- Overheat protection and fuel level monitoring
Layout
- Station located at NPK storage
- Ventilation and airflow paths
- Thermostat and humidity sensors
- Fuel storage and handling area
07
Heater, drying conveyors and ducting
Mojosari, East Java
Project 08 / 32
Process Plants
Crusher Plant
Kalimantan
Engineering
- Civil, structural, mechanical and electrical design
Fabrication
- Structural steelwork, platework and rebar in-house
Construction
- On-site foundation civil works
- Installation of primary and secondary crusher system
- Commissioning tests
Project 09 / 32
Process Plants
Hot Water Treatment Plant for Sugarcane Seed
Merauke, South Papua
Engineering & automation
- Process engineering for thermal seed treatment
- PFDs, P&IDs, layouts and control philosophy
- MEI engineering; PLC, HMI, interlocks and alarms
Procurement & fabrication
- Boiler and heating system supply and integration
- Treatment tanks and thermal vessels
- Pumps, valves, piping, insulation and instrumentation
Construction & start-up
- Mechanical, electrical and instrumentation installation
- Loop checking and calibration
- Cold and hot commissioning, performance tests
- Operator training and documentation
09
Treatment canal and process piping
Merauke, South Papua
09
Boiler systems and elevated water vessel
Merauke, South Papua
09
Electrical controls, process equipment and water storage
Merauke, South Papua
Project 10 / 32
Process Plants
Descaling Acidic Tank
Gresik, East Java
Engineering
- Descaling methodology for an 8,000 m³ tank
- Conveyor system methodology for removal
- Hazardous location work planning
Execution
- Excavation of scale inside the tank
- Material removal by conveyor
- Site containment and handling
HSE
- Work in an operating process plant
- Hazardous location controls
10
Tank and plant interfaces
Gresik, East Java
10
Works inside the tank
Gresik, East Java
Project 11 / 32
Fuel Storage & Distribution
2,000 kL Fuel Storage & Distribution Facility
Merauke, South Papua
Engineering
- Engineering design documentation
- Transfer pump 80 m³/h at 31 m
- Electric and diesel fire pumps 57 m³/h at 118 m
- Jockey pump 12 m³/h at 23.6 m
Construction
- Tank foundations and erection
- Fuel transfer piping network
- Hydrant fire protection system
- Bund walls and filling station
Electrical & controls
- Power distribution
- Instrumentation and control systems
- SCADA monitoring
- System integration and commissioning
11
Tank-top access and storage-tank arrangement
Merauke, South Papua
11
Transfer manifolds, actuated valves and tank connections
Merauke, South Papua
11
Interconnecting pipework and hydrant access
Merauke, South Papua
11
Fuel loading station and tanker filling bays
Merauke, South Papua
11
Control room and supporting utility facilities
Merauke, South Papua
Project 12 / 32
Fuel Storage & Distribution
Fuel Farm Facility
Central Kalimantan
Engineering
- Engineering design documentation
- Civil foundation and counter-spillage wall
Construction
- Tank installation
- Fuel transfer piping
- Hydrant fire protection
- Loading and unloading facility
Electrical
- Power distribution
- Instrumentation and control
- Commissioning
12
Installation, piping and welding
Central Kalimantan
Project 13 / 32
Fuel Storage & Distribution
ISO Tank Fuel System
Merauke, South Papua
Engineering
- Design and concept development
- Civil structures and foundations
- Fuel system and dispensing design
Fabrication
- Custom-built 25 kL fuel ISO tanks
- Engineered fuel dispensers
- Piping and plumbing
Installation
- Site installation and integration
- Electrical and instrumentation
13
Installation, piping and welding
Merauke, South Papua
Project 14 / 32
Fuel Storage & Distribution
Containerised Mobile Fuel Tanks
Merauke, South Papua
Product
- Capacities 25, 35, 50 and 62 kL
- Road and barge transportable
- TKDN approved
Dispensing
- Built-in dispenser 40 to 400 LPM
- Explosion-proof pump
- Lockable safety door
Assurance
- Third-party testing available
- Custom features to order
14
Dispenser bay and pump set
Merauke, South Papua
Project 15 / 32
Workshops, Warehouses & Industrial Buildings
T-Workshop Complex, 13,360 m²
Merauke, South Papua
Under constructionZones
- A: workshop, 6 overhead cranes, 82 × 40 m = 3,280 m²
- B: fabrication building, 60 × 42 m = 2,520 m²
- C: tyre shop and warehouse, 60 × 42 m = 2,520 m²
- D: 3-floor office, 42 × 40 m × 3 = 5,040 m²
Engineering
- Soil investigation and piling analysis
- Detailed structural, civil, mechanical and electrical design
- Specification, BOQ and tender documents
Construction
- Foundations, rebar and slab works
- Pre-assembly and steel erection
- Roofing and cladding
- Mechanical and electrical installation
15
Roof and cladding, August 2026
Merauke, South Papua
15
Finished bays, cladding and floor preparation
Merauke, South Papua
15
Steel erection
Merauke, South Papua
15
Foundations and slab works
Merauke, South Papua
Project 16 / 32
Workshops, Warehouses & Industrial Buildings
Permanent Workshop, Office & Support Facilities
Palu, Central Sulawesi
Facilities
- Workshop bay, workshop office and ready lane
- Oil and B3 storage; Epiroc equipment storage
- Small tyre repair workshop and wash bay
- Storeroom
Works
- Survey, elevation and excavation
- Bore piling and foundations; mobile batching
- Pre-assembly, anchoring and erection
Services
- Mechanical and electrical installation
- Office fit-out
16
Steel erection, 2025
Palu, Central Sulawesi
16
Crane runway and roofing
Palu, Central Sulawesi
16
Office block, fitted out
Palu, Central Sulawesi
Project 17 / 32
Workshops, Warehouses & Industrial Buildings
Workshop & Warehouse
Murung Raya, Central Kalimantan
Engineering
- Soil investigation and piling analysis
- Structural design in SAP2000; Tekla detailing
- Drawings, specification, BOQ and tender documents
Foundations
- Bore piling and brick foundation
- Elevation and excavation; rebar and formwork
- Truck-mixer concreting
Erection & services
- Pre-assembly, anchoring and erection
- Epoxy floor and traffic marking
- Mechanical and electrical installation
17
Warehouse interior and floor finish
Murung Raya, Central Kalimantan
17
Canopy structure and roof system
Murung Raya, Central Kalimantan
Project 18 / 32
Workshops, Warehouses & Industrial Buildings
Coal Washing Plant Infrastructure
Central Kalimantan
Engineering
- Soil investigation and piling analysis
- Detailed engineering design
- Drawings, specification, BOQ and tender documents
Facilities
- Storage and spare parts area
- Restroom, locker area and musholla
- Parking, oil trap and site drainage
Construction
- Bore piling and foundations; mobile batching
- Pre-assembly, anchoring and erection
- Mechanical and electrical installation
18
Portal frame erection
Central Kalimantan
18
Cladding and building close-out
Central Kalimantan
Section 05
Workforce Camps & Housing
Project 19 / 32
Workforce Camps & Housing
Two-Storey Workforce Housing
Morowali, Central Sulawesi
Civil
- Entire civil works on site
- Survey, elevation and excavation
- Rebar and formwork; mobile batching plant
Pre-fabrication
- Rebar, handrail, steelwork and roofing
- Container pre-fab installation
Fit-out
- Mechanical and electrical installation
- Rooms, ablutions, meeting and kitchen areas
19
Housing blocks and access
Morowali, Central Sulawesi
19
Interiors and amenities
Morowali, Central Sulawesi
Project 20 / 32
Workforce Camps & Housing
Housing Camp & Kitchen
Central Kalimantan
Structure
- Foldable container system
- Platework, rebar, handrail and grating
- Sandwich panel, roofing and corridors
Civil
- Survey, elevation and excavation
- Rebar and formwork; truck-mixer concreting
Services
- Anchoring and installation
- Mechanical and electrical installation
20
Blocks, corridors and rooms
Central Kalimantan
Project 21 / 32
Workforce Camps & Housing
Steel Container Camp
East Kalimantan
Design
- 40 ft containers, each converted to two rooms with toilet
- Two-storey arrangement with stairs and walkways
Fabrication
- Container modification in workshop
- Windows, doors and interior lining
Site
- Civil works
- Anchoring and erection
- Mechanical and electrical installation
21
Container conversion in the workshop
East Kalimantan
21
Site installation
East Kalimantan
Project 22 / 32
Hauling Roads & Civil Works
105 km Mining Hauling Roads
Central Kalimantan (58 km) and Pukun, Sampit (47 km)
Design criteria
- 40 t dump truck gross vehicle weight
- Road width 8–12 m; grades below 8%
- CBR curve method (Atkinson, 1992)
- Subgrade compacted to 95% MPD
Pavement & drainage
- Base course Gravel C (7/10), about 200 mm, to 98% MPD
- Surface course Gravel B (2/3), about 100 mm
- Camber 3–5%; side drains and culverts
- Clearing, grubbing, cut and fill to profile
Quality control
- Sieve analysis, Atterberg limits, Proctor and CBR
- Sand cone or nuclear gauge density tests
- Level and thickness surveys; as-built drawings
- Defect monitoring through the liability period
22
Clearing, grading, compaction and completed pavement
Central Kalimantan (58 km) and Pukun, Sampit (47 km)
Project 23 / 32
Hauling Roads & Civil Works
33 km Mining Plant Perimeter Fencing
Central Kalimantan
Supply
- Galvanized posts and fence mesh
- Galvanized barbed wire
- Cement, sand and gravel
Site works
- Land clearance
- Cut and fill
- Installation
Community
- Local CSR handled within the contract
23
Completed fence line
Central Kalimantan
Project 24 / 32
Hauling Roads & Civil Works
Port Perimeter Wall
Labuhan Badas, Sumbawa, West Nusa Tenggara
Design
- Shop drawings for the perimeter wall and gates
- Foundation detailing
Construction
- Land clearance, cut and fill
- Rubble stone foundation
- Column reinforcement and formwork
- Precast panel installation
Community
- Local CSR and community engagement handled within the contract
24
Foundation and wall construction
Labuhan Badas, Sumbawa, West Nusa Tenggara
Project 25 / 32
Hauling Roads & Civil Works
Gabion Retaining Wall
Pasuruan, East Java
Supply
- Gabion wire mesh
- Boulder fill
Works
- Land clearance
- Tie-down of gabions to stop landslide
- Manual boulder loading into mesh
Conditions
- Executed in live water conditions
- Stepped landslide-proof wall
25
Works in the river
Pasuruan, East Java
Section 07
Engineered Equipment
Project 26 / 32
Engineered Equipment
Conveyor Tripper Cars (3 units)
Sumbawa Barat, West Nusa Tenggara
Engineering & fabrication
- Detailed engineering and fabrication
- Shop assembly, inspection and testing
- Delivery
Installation
- Mechanical assembly and rail alignment
- Electrical wiring
- Control integration with the main conveyor
Commissioning & handover
- Functional tests and load trials
- Safety verification
- Datasheets, O&M manuals, as-builts, operator instruction
Project 27 / 32
Engineered Equipment
Dynamic Weighbridge
Central Kalimantan
Survey & installation
- Site, power and network assessment
- Volumetric scanner and sensors
- Weighbridge frame, modules and load cells
- RFID tags and scanner
Integration
- Weighbridge and vehicle identification
- Data and network integration
- Control room connectivity
Commissioning & handover
- Functional and measurement verification
- Operational commissioning
- Operator training and records
27
Scanner gantry, platform and control room
Central Kalimantan
Section 08
Studies, Design & Supervision
Design renderProject 28 / 32
Studies, Design & Supervision
50 MTPA Limestone Mining, Crushing & Port Facility
Timor-Leste
Design studyDesign leadership
- Master planning and export corridor layout
- Crushing plant and mine interface engineering
- Phased production from 10 to 100 Mtpa
Materials handling
- 4 high-capacity conveyor lines
- Stockyard and transfer systems
- 12,000 TPH ship loading facility
Port & marine
- 4 dedicated berths
- Vessels of 200,000, 100,000 and 50,000 DWT
- 10,000 DWT barge operations
28
Design model: port, stockyard and storage
Timor-Leste
Design renderProject 29 / 32
Studies, Design & Supervision
Gold & Copper Mining Development: Feasibility Study
Indonesia
Design studyProcess
- Crushing circuit, scalable and modular
- Heap leach and containment, GISTM aligned
- Agglomeration and treatment, ICMC compliant
Materials handling
- 3.1 km overland conveyor
- Relocatable grasshopper conveyor system
- Wear-resistant chutes
Infrastructure
- Balanced cut and fill; drainage
- Non-process infrastructure
- Bankable, investment-ready framework
29
Design model: crushing and conveying
Indonesia
Design renderProject 30 / 32
Studies, Design & Supervision
CPO Mill & Port Development
Jambi, Sumatera
Design studySite investigation
- Topography and bathymetry
- Onshore and offshore soil investigation
- Current, wave and river tidal investigation
Design
- Port feasibility and master plan
- 30,000 DWT jetty with dolphins, mooring and berthing
- CPO flow from storage to tanker loading
Deliverables
- Warehouse, workshop and camp design
- Jetty, civil, piping, mechanical, electrical, instrumentation
- BOQ and tender documents
30
Master plan and jetty model
Jambi, Sumatera
Project 31 / 32
Studies, Design & Supervision
Mess, Drainage Tunnel & Fuel Facilities
Central Kalimantan
OngoingDesign
- Feasibility study and technical validation
- Concept and preliminary engineering
- 500-person mess; master plan for 550 people
Infrastructure
- Drainage tunnel traversing three rivers
- Flood-resilient bridgeworks
- Fuel storage and floating fuel jetty
Utilities & supervision
- MEP, telecom, water supply, wastewater and treatment
- Technical advisory through construction
31
Design drawings and site investigation
Central Kalimantan
Project 32 / 32
Studies, Design & Supervision
Hospital, 17 Floors, 39,980 m²
Solo, Central Java
Building
- Structure and architecture
- Elevators
MEP
- Mechanical and plumbing
- Electrical and ELV
- HVAC
Life safety
- Fire systems
- Coordinated multi-discipline delivery
