Structural Steel Fabrication
End-to-end structural steel detailing, fabrication, and erection for commercial, industrial, and defence-sector projects.
Engineering Excellence & Construction Rigour
Thobal's steel division operates a state-of-the-art 30,000-tonne-per-annum fabrication facility in Dammam, producing heavy-plate welded sections, built-up plate girders, crane gantries, and custom architectural steelwork. Our detailing team produces LOD 400 Tekla models for clash-free integration with client equipment and building services. From hot-dip galvanising to 3-coat polyurethane paint systems, we deliver fabricated steel that meets the most demanding specifications.
Saudi Building Code Compliance
Full engineering submittals and site execution aligned with SBC 301, SBC 304, and local municipality standards.
Quality Assurance & Inspection
Multi-stage QA/QC auditing, material mill certificates, non-destructive testing (NDT), and ISO 9001 compliance.
Programme & Schedule Certainty
BIM 4D timeline simulation, off-site prefabrication, and strict critical-path management to eliminate delay risks.
High Production Capacity
Backed by Thobal's 30,000 TPA steel fabrication plant in Dammam and extensive heavy civil machinery fleet.
Scope of Work & Key Capabilities
Thobal provides full-scope execution with dedicated engineering supervision across all key deliverables.
LOD 400 Tekla detailing & BIM coordination
Full engineering detailing, submittals, material procurement, site erection, and Quality Control inspection for lod 400 tekla detailing & bim coordination.
Heavy-plate welding & full NDT certification
Full engineering detailing, submittals, material procurement, site erection, and Quality Control inspection for heavy-plate welding & full ndt certification.
Crane gantries, pipe racks & equipment platforms
Full engineering detailing, submittals, material procurement, site erection, and Quality Control inspection for crane gantries, pipe racks & equipment platforms.
Hot-dip galvanising & protective coating systems
Full engineering detailing, submittals, material procurement, site erection, and Quality Control inspection for hot-dip galvanising & protective coating systems.
On-site erection with sequenced lift planning
Full engineering detailing, submittals, material procurement, site erection, and Quality Control inspection for on-site erection with sequenced lift planning.
Technical Specifications & Codes
Thobal operates under international quality frameworks and strict Saudi Building Code standards.
Saudi Building Code Compliance
Full structural calculations, concrete mix designs, and steel loading models verified against SBC requirements.
Structural Steel Welding & Materials
Certified weld procedures (WPS), high-strength structural grade steels, and ultrasonic non-destructive testing (NDT).
Quality Management System
Standardized Inspection and Test Plans (ITP), material traceability, and sub-contractor quality auditing.
HSE & Occupational Health
Zero Lost-Time Injury (LTI) target, daily safety toolboxes, job safety analysis (JSA), and site risk assessments.
Execution Process & Target Sectors
Structured delivery roadmap ensuring milestone accuracy from initial consultation to project commissioning.
Consultation
We begin with a deep understanding of your project requirements, site conditions, and programme objectives through detailed consultation and feasibility assessment.
Planning
Our engineering team develops a comprehensive project execution plan, including methodology, resource allocation, procurement strategy, and risk mitigation measures.
Engineering
Detailed engineering design, BIM modelling, and constructability reviews ensure every element is optimised for performance, cost-efficiency, and buildability.
Construction
Skilled execution by our experienced workforce, with rigorous quality control, safety management, and programme tracking throughout the construction phase.
Quality Inspection
Comprehensive inspection and testing protocols verify that every deliverable meets the specified standards before proceeding to the next stage.
Project Handover
Systematic commissioning, documentation, and client training ensure a seamless handover with full operational readiness and aftercare support.
Featured Projects Delivered
Selected landmark developments featuring Structural Steel Fabrication execution by Thobal.
Frequently Asked Questions
Common technical and commercial questions regarding Structural Steel Fabrication execution.
Ready to Execute Your Next Project?
Partner with Thobal for premier structural steel fabrication services across the Kingdom of Saudi Arabia. Contact our engineering team for BOQ reviews and formal proposals.