Precision Engineering. Reliable Execution. Built for Performance.
At DE COON SERVICES LIMITED, our Construction & Fabrication Division supports the oil and gas value chain by delivering custom-built infrastructure and equipment modules that meet international standards.
We combine engineering know-how, qualified technical teams, and robust QA/QC systems to ensure that every fabricated or installed component performs efficiently, safely, and reliably — even in the most demanding environments.
Whether it’s skid-mounted process units, piping systems, or structural steel works, DE COON ensures precision from design through delivery.
Our Construction & Fabrication Services Include:
- Electrical & Instrumentation Construction Services: Installation and construction of electrical systems and instrumentation.
- Mechanical Construction Services: Expert mechanical installation and construction for optimal system performance.
- Civil & Structural Services: Civil and structural engineering solutions for robust project foundations.
- Fabrication: Custom fabrication of parts and systems for specialized applications.
Our Construction & Fabrication Services ensure that each project is completed with the highest standards of quality, safety, and efficiency, helping clients meet their objectives with confidence.
Core Service Capabilities:
1️⃣ Fabrication Services
We offer a complete range of fabrication works carried out by certified welders and engineers under strict supervision and code compliance.
Our fabrication expertise includes:
- Pressure vessels and process skids
- Structural steelworks and platforms
- Pipe spool fabrication (CS, SS, Duplex, GRE)
- Tanks, silos, and storage vessels
- Modular skid packages for process and utility systems
- Equipment supports, pipe racks, and access ladders
- Electrical and instrumentation panel housings
- Custom enclosures, frames, and base plates
Standards & Codes:
- ASME Section IX, AWS D1.1
- API 650 / 1104
- BS EN 1090
- NACE, ISO 3834 compliance
2️⃣ Construction & Installation
Our construction capabilities ensure that every component we fabricate or supply is properly installed, aligned, and tested on-site to guarantee reliable operation.
Construction competencies include:
- Mechanical, piping, and structural erection
- Equipment installation and alignment
- Foundation and civil work interface management
- Hook-up and integration of process skids
- Electrical, instrumentation, and control panel installation
- Commissioning and performance testing
- Site modification and brownfield upgrades
3️⃣ Welding & Material Management
- Certified welding procedures (WPS, PQR, WPQ)
- Carbon steel, stainless, duplex, and exotic material welding
- TIG, MIG, SMAW, and orbital welding methods
- Heat treatment and non-destructive testing (NDT) coordination
- Material traceability and MTR documentation control
4️⃣ Blasting, Painting & Surface Protection
Surface preparation and coating are vital for durability and corrosion resistance — especially in offshore and marine environments.
Capabilities include:
- Grit/sand blasting (SA 2.5 and SA 3.0 standards)
- Multi-coat epoxy and polyurethane systems
- Zinc-rich primers and heat-resistant coatings
- Hydrostatic and leak testing
- Holiday detection and adhesion testing
Workshop & Yard Facilities
Our fabrication yards are equipped with:
- Covered workshops for all-weather operations
- 10–20T overhead cranes and mobile lifting equipment
- CNC cutting, rolling, and plate bending machines
- Welding bays and testing booths
- Paint and blast chambers
- Power and compressor stations
- Laydown areas for skid assembly and trial fit-up
Each facility operates under ISO 9001, ISO 14001, and ISO 45001 certified systems with traceable QA/QC documentation.
Quality Assurance & HSE
Every fabrication and construction activity is guided by DE COON’s HSSE and QA/QC Management Systems.
Our focus:
- Zero-incident project execution
- Strict adherence to client specifications and standards
- Dimensional, weld, and coating inspection at all project stages
- Non-destructive testing (NDT) and hydrostatic testing before release
- Full document control and inspection dossiers upon delivery
Safety is embedded in our culture — every welder, fitter, and rigger operates under continuous supervision and HSE compliance checks.
Industries We Serve
- Oil & Gas (Upstream, Midstream, Downstream)
- Energy & Power Generation
- Petrochemical & Refinery Projects
- Marine & Offshore Facilities
- Industrial Infrastructure & Utilities
- Construction & Maintenance Contractors
Case Study Highlights
Case Study 1 – Fabrication of Gas Dehydration Skid
- Scope: Design, fabrication, and assembly of modular skid for gas treatment plant
- Result: Delivered ahead of schedule with zero rework, ISO 9001 inspection passed on first audit
Case Study 2 – Structural Erection for Flowstation Expansion
- Scope: Fabrication and on-site erection of pipe racks and supports
- Result: Achieved 100% weld acceptance, no lost-time incidents