Off-Site Heavy Engineering & Fabrication
Controlled-environment manufacturing of pressure vessels, modular process skids, high-pressure piping spools, and heavy structural assemblies built to ASME, AWS, and IBR standards with full NDT traceability.
35,000 sq.ft
Covered Heavy Fabrication Bays
25T Cranes
Heavy Tandem Lift Handling
50mm Thick
Hydraulic Plate Rolling Capacity
350 Bar
Hydrostatic Pressure Testing
Engineered off-site for rapid field installation
Manufacturing equipment inside our controlled shop floor guarantees clean room welding conditions, consistent heat treatment cycles, and pre-commissioned modular integration.
ASME & IBR Pressure Vessels
Design and fabrication of reactors, flash tanks, separators, and air receivers with wall thickness up to 65mm and hydro testing to 350 bar.
Process Skids & Modular Units
Turnkey fabricated skids including pump skids, metering units, chemical injection skids, and valve manifolds pre-assembled and tested off-site.
Heavy Columns & Tubulars
Off-site rolling and longitudinal/circumferential SAW welding of heavy tubular piles, chimneys, and distillation columns up to 4.5m diameter.
Corrosion-Resistant Overlay
Automated weld overlay cladding of Inconel 625, Monel, and SS 316L on carbon steel bases for severe sour gas and petrochemical service.
Why engineers choose Maple Heavy Engineering Workshop
Our 35,000 sq.ft covered bay combines heavy plate cold rolling, sub-arc welding, and hydrotesting under one roof with full ASME compliance.
35,000 Sq.Ft Covered Heavy Bay
All-weather, climate-controlled heavy fabrication environment with reinforced concrete sub-bases preventing weather delays.
25T Twin-Hook EOT Cranes
12-meter clear hook height capable of safe tandem lifting, rolling, and loading of heavy modules and pressure vessels.
50mm Hydraulic 4-Roll Plate Bending
Cold rolling of heavy cylindrical shells, conical reducers, and vessel rings up to 50mm thickness and 3,000mm width.
Dedicated 350-Bar Hydrotest Bay
Safe pit testing with calibrated digital transmitters and continuous charted pressure-temperature logging.
SA 2.5 Blasting & Epoxy Paint Booth
In-house abrasive blasting chamber and enclosed spray painting bay delivering high-durability C5-M industrial warranties.
100% NDT & Material Traceability
Raw material heat-number verification (EN 10204 3.1/3.2), PMI spectroscopy, and 100% Radiographic / Ultrasonic clearance.
Workshop equipment specifications
| Machine / Bay Feature | Installed Specification |
|---|---|
| Bay Lifting Capacity | 25 Tonne Twin-Hook Overhead EOT Cranes (12m hook height) |
| Plate Rolling Capacity | 4-Roll Hydraulic Plate Bending up to 50mm thick, 3000mm width |
| CNC Plasma & Oxy Cutting | Underwater CNC Plasma bed (3m × 12m) up to 32mm SS / 150mm CS |
| Welding Processes | Submerged Arc (SAW), Narrow-gap TIG (GTAW), Pulsed MIG (GMAW), FCAW |
| Heat Treatment (PWHT) | Dedicated electrical resistance heating & calibrated soak recorders |
| Surface Treatment | Blasting chamber to SA 2.5 standard & automated epoxy paint booth |
Submit an off-site manufacturing enquiry
Send your mechanical data sheets, fabrication drawings, or design requirements. Our team calculates plate cutting plans, welding consumable requirements, and fabrication lead times.