BIW Superstructures, Mezzanines & Industrial Tooling

Welding and Heavy Fabrication

Nextech operates extensive fabrication facilities in Bagroda and Pithampur equipped with CNC plasma cutters, hydraulic shearing, heavy MIG welding bays, and 10T overhead cranes.

50mm

Max Plate Cutting

IS 2062

Certified Steel Grade

10T

In-House Crane Bay

100%

WPS/PQR Certified

Division overview

Turnkey engineering & manufacturing

Heavy structural steel fabrication, overhead utility bridges, precision CNC machining, and specialized tensile membrane architecture.

Certified welding procedures (WPS/PQR) compliant with AWS D1.1 & ASME Sec IX
100% NDT visual, dye penetrant, and ultrasonic inspection on structural welds
Sa 2.5 shot-blasting with high-build epoxy primer and industrial PU topcoat

Engineered systems

Specialized equipment & sub-systems catalog

Explore detailed technical capabilities, cycle metrics, and specifications for each specialized sub-system within Welding & Fabrication.

Roof Superstructures & BIW Grids

Ceiling-hung structural frameworks for overhead utility and crane support

Installs overhead grid superstructures inside active automotive assembly plants to suspend EMS tracks and busbars without disrupting ground-level operations.

Bay Span: 10 M × 7 M Modular
Steel Grade: IS 2062 E250 / E350

High-strength structural hollow sections (SHS/RHS) and universal beams (IS 2062 Grade E250/E350)
Modular 10m × 7m grid bays engineered for overhead loads exceeding 2,000 kg per span
Pre-engineered bolt-together connections designed for fast assembly during plant shutdowns
Integrated mounting brackets for busducts, pneumatic manifolds, and cable raceways

Enquire for this machine

Heavy Industrial Mezzanines

Multi-tier structural steel platforms, walkways, and equipment staging floors

Doubles usable plant floor area by creating elevated space for supervisory offices, conveyor maintenance platforms, and utilities.

Floor Rating: Up to 1,000 kg/m²
Decking: Galvanized Grating

Heavy structural columns with stiffened base plates anchored to plant foundations
Galvanized open-mesh grating or diamond checker plate decking with 500 kg/m² floor rating
Industrial handrails, safety kick-plates, and engineered self-closing access gates
Custom heavy staircases designed in accordance with Indian Factory Act regulations

Enquire for this machine

CNC Plate Cutting & Sheet Metal

High-definition CNC plasma, oxy-fuel cutting, and precision hydraulic press brakes

Processes raw structural plates into high-accuracy machine brackets, C-frames, and crane box girders.

Thickness: Up to 50 mm
Welding: WPS / PQR Certified

High-definition CNC plasma cutting for steel plates up to 50 mm thickness
Multi-axis hydraulic press brake for precision plate bending up to 4,000 mm length
Certified welding processes (MIG/GMAW, TIG, and SAW) backed by approved WPS/PQR
Shot-blasting and two-component industrial polyurethane epoxy protective coating

Enquire for this machine

Architectural Tensile Structures

High-strength membrane canopies and weather protection shelters

Engineers outdoor vehicle inspection shelters, factory campus entrance canopies, and logistic bay loading weather covers.

Fabric: PVDF-Coated Architectural
Span: Column-Free Clear Span

PVDF-coated architectural fabric membranes offering UV resistance and flame retardancy
Pre-stressed tubular structural steel frames with hot-dip galvanized or polyurethane finish
Wind-load certified foundation anchors calculated to withstand high gusts
Long-span column-free clear layouts maximizing outdoor maneuvering space

Enquire for this machine

Performance & compliance specifications

Welding & Fabrication technical matrix

Parameter	Engineered capability	Compliance / standard
Raw Material Grades	IS 2062 Grade E250 / E350 Structural Carbon Steel Plates & Sections	IS 2062:2011
Cutting Tolerance	CNC Plasma cutting within ±0.5 mm on plates up to 50 mm	ISO 9013
Welding Qualifications	WPS, PQR, and Welder Performance Qualification records	AWS D1.1 / ASME Sec IX
Non-Destructive Testing	100% Visual, Dye Penetrant (DPT), and Ultrasonic (UT) testing on critical welds	ISO 17635
Surface Treatment	Sa 2.5 Shot-blasting followed by high-build epoxy primer and PU topcoat	ISO 8501-1

Execution methodology

Welding & Fabrication project lifecycle

Every custom automated machine and material handling line follows our 4-stage engineering lifecycle to ensure zero downtime and seamless plant handover.

01
Concept & 3D CAD Simulation
Translating client takt times, payload limits, and footprint constraints into full parametric models using SolidWorks and CATIA before cutting steel.
- Cycle time study
- 3D kinematic simulation
- Footprint GA drawing
02
In-House Machining & Fabrication
Precision CNC machining on VMCs, heavy plate cutting, and certified structural MIG/TIG welding at our Bagroda and Pithampur facilities.
- CNC milled tooling
- Stress-relieved weldments
- Ultrasonic NDT inspection
03
Electrical Automation & PLC Logic
In-house panel engineering, servo drive integration, safety interlock programming, and HMI design on Siemens, Allen-Bradley, and Mitsubishi platforms.
- E-Plan schematics
- PLC & Safety ladder logic
- MES SCADA integration
04
Factory FAT & Site Commissioning
Rigorous Factory Acceptance Testing (FAT) with actual prototype parts, followed by turn-key installation, ramp-up support, and team training.
- 100% FAT sign-off
- On-site installation
- O&M documentation

Explore other engineering disciplines

View all 5 services

Turnkey engineering RFQ

Have a custom welding & fabrication project requirement?

Share your layout drawings, cycle time constraints, or component specifications. Our senior engineering team will evaluate technical feasibility and return a detailed concept proposal.

Request technical RFQ Contact engineering team

Welding and Heavy Fabrication

Turnkey engineering & manufacturing

Specialized equipment & sub-systems catalog

Roof Superstructures & BIW Grids

Heavy Industrial Mezzanines

CNC Plate Cutting & Sheet Metal

Architectural Tensile Structures

Welding & Fabrication technical matrix

Welding & Fabrication project lifecycle

Concept & 3D CAD Simulation

In-House Machining & Fabrication

Electrical Automation & PLC Logic

Factory FAT & Site Commissioning

Explore other engineering disciplines

Industrial Automation & SPMs

Material Handling & Logistics

Lifting Solutions & Industrial Cranes

Battery Assembly Automation

Have a custom welding & fabrication project requirement?