The shell shall be fabricated from tested quality steel duly welded, comprising of base frame, peripheral structure, self draining roof, entry doors and of windows (as per requirement). The eight corners shall be sufficiently strengthened to facilitate transportation, lifting and placing.
Base Frame :
The base frame shall be made of pressed mild steel channel section. The main structural element shall be of 100 mm x 50mm and cross member shall be of ‘C’ channels section size 75 mm x 40 mm.
Side and End Walls :
The side and end frame shall be made out of pressed sections of suitable profiles/pillars of sufficient strength. Exterior wall shall be made up of 1.8 swg M.S specially corrugated sheet whereas 9 mm particle board will be used for interior walls. The steel sheet shall be treated for corrosion resistant. Panels shall be vertically corrugated, sheet shall be continuously welded to top side and base structure so as to offer better strength to weight ratio.
All gaps will be sealed at edges and at seams, bottom etc to prevent ingress of moisture.
Flooring Systems :
On the bottom frame 18 mm thick plywood, bison panel/E board shall be fixed by means of self taping screw. PVC vinyl flooring shall be fixed on the panel.
Self draining type roof shall be made out of 1.8 swg thick M.S. sheet, adequate roof bows are to be provided. Roof shall be adequately cambered for draining of rain water. Interior paneling shall be done in 9 mm particle board with adequate insulation.