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Industries · Infrastructure

Toll Plaza Canopy Structures

Long-span toll plaza canopies of 2 to 16 lanes: columns on the islands, lattice girders across the lanes, bent tube arches and PTFE tensile fabric. We built 9 for the Ganga Expressway.

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Allmarc 3D model · to scale
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How it is built.

Scroll: the camera moves to each part in turn and ends on the exploded view. Drag to turn it round yourself.

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A toll plaza canopy

We constructed and commissioned 9 toll plazas, of 2, 8 and 16 lanes, for Adani Road Transport on the Ganga Expressway: 1,200 T of structure.

Scroll to see how it is built · drag to turn it round

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Columns on the islands

Tubular columns on base plates drilled to the anchor bolts.

How is it possible at Allmarc?
HSG CNC tube laser in the Allmarc works

Used here for: Columns on the islands

  • 4 kW
  • Tubes and sections up to 250 dia
  • Automatic loading
All our machinery

Used here for: Columns on the islands

  • CNC plate drilling
All our machinery

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Girders across the lanes

Lattice girders spanning every lane, trial-assembled in our bays.

How is it possible at Allmarc?

Used here for: Girders across the lanes

Tapered rafters and other non-uniform built-up sections, welded faster and with deeper penetration.

  • 40 m, state of the art
  • No programming: weld lines taken from the 3D model
  • Tandem torch: two wires at once
All our machinery

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Bent arches

Tubes bent on the CNC bender into the arches that carry the fabric.

How is it possible at Allmarc?
CNC pipe bending in the Allmarc works

Used here for: Bent arches

  • CNC pipe and tube bending
All our machinery

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Tensile fabric

PTFE fabric stretched between the arches.

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Every part, apart

Columns, girders, arches and fabric.

Why Allmarc

Experience you can trust.

We fabricate to your drawings and prove the fit in our own bay before anything ships. Open any line for the detail.

Talk to an engineer
Heavy or delicate
  • 600 T flare chambers and 1 to 2 mm sheet metal, under one roof.
  • Each job goes to the plant built for it.
Repeat parts, identical
  • Fixtures, robots and CNC lines, so the hundredth matches the first.
  • Machined after welding where it matters.
Proven before it ships
  • Trial-assembled in the works.
  • Inspected and documented at every stage.
Scale
  • 4 plants at Kanbha; about 6,000 T a month from November 2026.
  • ISO 9001, ISO 45001, EN 1090, EN ISO 3834-3; RDSO approved.
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We fabricate to your design, from plate to a packed container. An engineer will tell you honestly how we would build it.

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