M G Contractors Pvt. Ltd. — heavy civil contractors since 1997 0172 6731000 info@mgcpl.com Mon–Sat, 10:00–18:00 IST
Open web steel truss girder assembled at the MGCPL Ambala works

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On the RDSO approved list for steel girder fabrication.

RDSO-approved Ambala works for open web, composite and plate girders, Part A,B. Registration, facilities and every document, on one page.

Ownership

A private limited company, twenty-eight years in.

The approval sits with the company itself, not a partner firm or a group entity. Registration details as filed with RDSO.

Fabrication unit

The Ambala works.

Address: Vill. Gola, Kalpi Naraingarh Road, Teh. Mullana, Distt. Ambala, Haryana 133104.
A covered heavy-fabrication shed with its own blasting, metalizing and pa int shops, stacking yard, assembly bay and an in-house weighbridge.

Facilities including details of Machinery & Plants as applicable (Brief description and photographs) .

Facility documents

CNC plasma and oxy-fuel cutting machine
01CNC cuttingPlasma and oxy-fuel, dual torch. 100 mm plate, 28 × 4 m table. Programs fed straight from the nesting software.
Dual-head CNC drilling machine
02CNC drillingDual head, 50 mm diameter, 2.5 × 3.5 m working table. Hole patterns for plates and gussets taken from approved drawings.
I-girder fit-up machine
03I-girder fit-upWeb to 3,000 mm, flange to 1,200 mm, plate to 80 mm. 24 m table with tilter, robotic clamping and web alignment.
Rotating cantilever submerged arc welding machine
04Submerged arc welding360° rotating cantilever SAW for long longitudinal seams, with GMAW stations for fillet and positional work.
End face milling machine
05Straightening Distortion removed after welding.
Overhead EOT crane lifting a fabricated plate girder with a spreader beam in the fabrication shed
06Lifting100 MT EOT for heavy assemblies, 25 T EOT on each bay, gantry over the yard, hydra cranes from 14 to 23 MT.
Overhead EOT crane lifting a fabricated plate girder with a spreader beam in the fabrication shed
07End MillingTool used to shape and cut profile ends
Overhead EOT crane lifting a fabricated plate girder with a spreader beam in the fabrication shed
08Blasting shopAbrasive blasting to a uniform profile before coating.
Overhead EOT crane lifting a fabricated plate girder with a spreader beam in the fabrication shed
09Metalizing & Paint shopSurface preparation, metalizing, painting, drying, inspection.

Details of RDSO Approval

(Item Name & Item No. for which approved)

Approved by RDSO · valid to 31 July 2029 (PDF)
Registration ID.
1050608
Item ID
3100425
Approved item
Open web, composite & other steel plate girders, Part A,B
Annual Production capacity
24,000 MT
Last quality audit done on
31 March 2023
Next quality audit due on
31 July 2029

Approval granted by the Bridges & Structures Directorate, RDSO, for fabrication of open web, composite and plate girders at the Ambala works. The approval is valid for the registered annual capacity of 24,000 MT under the company’s quality audit and continued compliance framework.

Firm's Registration details (under The Companies Act/ The Micro, Small and Medium Enterprises Development Act)

Organisation chart qualifications and experience details (in brief)

Seven Departments, One Plant Head.

Planning, quality, production, stores, drafting, painting and dispatch, HR and safety. Qualification and years of experience for each post are in the chart.

Details Of Testing Facilities

In-house

DPT and UT

Dye penetrant testing on every weld run; ultrasonic testing with a calibrated UT machine and V1 block. Three ASNT Level II technicians on the shop floor, one of them qualified across UT, RT, PT and MT.

Outsourced · MoU

Physical, chemical and mechanical, UT, PAUT & Radiography

Cosmo Analytical Lab LLP, Noida (BARC-approved for RT, NABL-accredited) for RT, UT, PAUT, DPT, MPT and mechanical and chemical testing, MoU from 10 May 2026 to 11 july 2032 (74 months).

Artisans- involved in cutting, drilling, welding, blasting, metalizing and painting etc.

Training

WRI, BHEL Tiruchirappalli

Supervisors and welders trained and certified in welding and inspection at the Welding Research Institute. Railway WPQR held for ROB girder work.

Software

Tekla Structures, 8 seats

Trimble Tekla Structures Diamond licences for detailing and fabrication drawings, with Plus 2D nesting software driving the CNC cutting line.

Details of executed works/supplies in last 5 years

Bridges Delivered.

Fabrication orders currently in the shop, and the railway bridge and ROB contracts completed in the last five years that the girders came out of.

Full five-year list

Works In Hand (In Nos. Of Spans/Tonnage /Nos.)

Girder fabrication

Send us the span schedule.

Open web, composite or plate girders for railway and ROB work. The Ambala quality team replies with a programme, inspection plan and approvals.