supply of heavy-duty mobile three-tier storage rack/trolley , supply, fabrication, installation and commissioning of heavy-duty mobile three-tier storage r ack/trolley, complete with three storage compartments, hinged access doors, protective side/rear framewor k, shelf platforms, and 04 nos. heavy-duty industrial caster wheels of approximately 6-inch size, conformin g broadly to the following specifications: overall size: approximately 4.5 ft. l x 2.5 ft. w x 5 ft. h, including caster wheels. internal storage heights: lower 24, middle 15, upper 15. main structural framework of 50 mm x 50 mm x 3 mm ms equal angle/equal square bar, conforming to is:2062. 03 nos. horizontal storage platforms, with crca steel sheet of minimum 1.2 mm thickness, conforming to is: 513. open protective sid e/rear framework and independently operable hinged doors for each storage compartment. suitable anti-co rrosive/red-oxide or epoxy primer and two coats of industrial synthetic enamel paint/suitable powder-coate d finish. [ warranty period: 30 months after the date of delivery ] ]