Last Updated: 25 April 2022

3. 

3
Construction

The framing material for various vehicle categories is as follows—

(1) 1 to 2 ton weight
  • material — galvanised pipes
  • grade — B
  • material sizes
  • transverse bars — 20 mm
  • total number of transverse bars — 3 to be equally spaced
  • longitudinal bars — 20 mm
  • total number longitudinal bars — 7
  • longitudinal bars spacing — use guideline for various vehicle sizes
  • drop bars — 20 mm
  • luggage compartment frames — 15 mm
  • emergency exit frame — 15 mm
  • gusset — scale to size
  • mesh wrapping — HRC 228 size
(2) Above 2 to 2.5 ton weight
  • material — galvanised pipe
  • grade — B
  • material sizes
  • transverse bars — 25 mm
  • total number of transverse bars — 5
  • transverse bars spacing guideline — not less than 1.3 metres
  • spacing
  • longitudinal bars — 25 mm
  • total number of longitudinal bars — 9
  • drop bars — 25 mm
  • luggage compartment frames — 20 mm
  • emergency exit frame — 20 mm
  • mesh wrapping — HRC 228 grade/size
  • gusset — scale to size
  • frame mounting plate — 50 mm x 6 mm flat bar
(3) Above 2.5 to 4.5 ton weight
  • material — galvanised pipe
  • grade — C sizes
  • transverse bars — 32 mm — total number of transverse bars = 5
  • transverse bars spacing guideline — not less than 1.3 metres
  • longitudinal bars — 25 mm
  • total number of longitudinal bars — 9
  • drop bars — 25 mm
  • luggage compartment frames 25 mm
  • emergency exit frame — 25 mm
  • mesh wrapping — HRC 228 grading
  • gusset — scale to size
  • frame mounting plate — 50 mm x 6 mm flat bar
(4) Above 4.5 to 7 ton weight and above
  • material — galvanised pipe
  • grade — C
  • sizes
  • trasverse bars — 32 mm — total number of transverse bars = 6
  • transverse bar spacing guideline — not less then 1.3 metres
  • longitudinal bars — 32 mm
  • total number of longitudinal bars — 9
  • drop bars — 32 mm
  • luggage compartment frames — 32 mm
  • emergency exit frame — 25 mm
  • mesh wrapping — HRC 338 size
  • gusset — scale to size
  • frame mounting plate — 50 mm x 6 mm flat bar

MAIN COMPONENTS OF A CANOPY — CONSTRUCTION MODEL

image