Comprehensive Engineering Services

ROH Fabrications is a multi-trade contracting and engineering company providing a comprehensive range of mechanical, electrical, fabrication, construction and engineering services supported by highly skilled tradesmen and professional engineers.

Mechanical Engineering Services

ROH delivers comprehensive mechanical engineering and trade services across Papua New Guinea's civil, mining, transport, and construction sectors. Our mechanical division covers equipment installation, maintenance, repairs, and mechanical system fabrication.

Expert certified technicians ASME-qualified procedures Rapid response across PNG
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Key Capabilities

Installation and alignment of heavy machinery and rotating equipment
Fabrication and assembly of mechanical structures and piping systems
Hydraulic and pneumatic systems maintenance and commissioning
Servicing and overhauls of industrial, automotive, and plant equipment
Water infrastructure — pump installation, alignment, maintenance and overhaul
Fabrication, repair and technical support for drilling equipment

Electrical Engineering Services

Our electrical division provides industrial, commercial, and automotive electrical solutions designed to meet modern performance and compliance standards. We support clients from design through installation, testing, and ongoing maintenance.

PNG electrical standards compliant Industrial & commercial expertise Full testing & commissioning
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Key Capabilities

Electrical installations for buildings, workshops, and industrial sites
Power distribution systems, switchboards, and control panel fabrication
Motor control, instrumentation, and automation systems
Lighting, fault-finding, testing, and commissioning
Automotive electrical wiring, lighting, and auxiliary system integration

Steel Fabrication & Specialized Welding

Custom metal fabrication and ASME-qualified welding services for industrial, commercial, and infrastructure clients across Papua New Guinea. We specialize in structural steel, pipe welding, and bespoke metal components.

ASME qualified welders MIG, TIG & Stick processes Precision quality control
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Key Capabilities

Custom metal structures, frames, and components per client specifications
Structural welding for buildings, bridges, and infrastructure projects
Pipe welding for plumbing, HVAC, and industrial applications
Stainless steel and aluminum welding for specialist applications
Automotive welding and vehicle body customization
Prototype development and repair welding

Building & Construction Services

ROH Fabrications provides building and construction services for residential, commercial, industrial and infrastructure projects throughout Papua New Guinea, including structural works, civil support, fabrication, installation, maintenance, and renovation.

End-to-end project delivery Experienced supervisors PNG standards compliant
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Key Capabilities

Residential and commercial building construction
Structural steel fabrication and installation
Water supply and plumbing infrastructure support
Civil works and site preparation
Concrete works, roofing and cladding installation
Project logistics, labor hire, and on-site supervision

Industrial Instrumentation, Automation & Control

Comprehensive industrial instrumentation, automation, and control services across PNG's mining, oil & gas, water treatment, manufacturing and infrastructure sectors — from design and procurement through installation, commissioning, integration and ongoing maintenance.

IEC & ISA standards End-to-end turnkey solutions PNG regulatory compliant
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Key Capabilities

Process instrumentation: pressure, temperature, flow, level and safety systems
PLC, SCADA, HMI and DCS programming, installation and system integration
Industrial automation: VFDs, motor control centers and safety systems
Custom control panel fabrication, installation and marshalling cabinets
Calibration, loop testing, troubleshooting and commissioning
Full integration with mechanical, electrical and building systems

CAD Engineering & Design Services

Our CAD design services optimize the entire product development process with comprehensive engineering expertise. Our design team delivers highly accurate 2D drafting and 3D modeling, with each project managed using a proven methodology that ensures requirements and budgetary targets are met.

2D & 3D capability Cost-optimized designs Proven delivery methodology
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Key Capabilities

Highly accurate 2D drafting and 3D modelling
Feasibility studies and detailed design documentation
Technical specifications and cost estimates
Model-based definition with full engineering information
Design management ensuring requirements and budgetary targets are met

Engineering Consultancy & Project Management

Multi-disciplinary engineering and consultancy services integrating mechanical, electrical, and structural design expertise. We support clients through every stage of the project lifecycle — from concept development and design through to construction, commissioning, and handover.

Multi-disciplinary team Practical cost-effective solutions Full regulatory compliance
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Key Capabilities

Feasibility studies and detailed design documentation
CAD drafting and 3D modeling for fabrication and installation
Technical specifications and cost estimates
Project supervision, inspection, and compliance management
End-to-end project lifecycle support from concept to commissioning

Supply & Procurement Services

ROH Fabrications operates as a trusted supplier and procurement partner, providing high-quality materials, tools, and components to support project operations across PNG. Our sourcing network delivers reliable, on-time delivery at competitive pricing.

Strong sourcing network Competitive pricing Reliable on-time delivery
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Key Capabilities

Mechanical, electrical, and fabrication materials and consumables
Industrial tools, fittings, and workshop equipment
Vehicle accessories, parts, and components for fleet maintenance
Safety gear and technical supplies for construction and mining sites
Reliable on-time delivery and competitive pricing across PNG