supply of wheel barros of 140 ltr capacity at central store sdmc , supply of wheel barrows , supply of wheel barrows of 140 litre . minimum capacity made of 1 . 6 mm m . s sheet and cast iron wheel with cushioned rubberized tyre having double ball bearings including priming and painting as per enclosed drawing and specifications complete and as per direction of engineering-in-charge . item techical detail: wheel barrows of 140 litre . capacity as per specification given below: 1 . open top fabricated from 1 . 6 mm thick m . s . sheet . the front bottom and rear are in single piece suitably bent at two points so as to give desired shape to body box as per drawing . the two sides of the box are to be from 1 . 6 mm thick m . s . sheet and are to be joined to bottom , front and rear of the box by electric arc wielding . the dimensional details of box are given as under: - top open : size : 980mm x 500mm ( + 10mm ) bottom : size : 570mm x 500mm ( + 10mm ) depth : depth at wheel side 400mm ( +10mm ) depth at handle side 300 mm ( +10mm ) slanting length at wheel end 480mm ( +10mm ) slanting length at handle end 335mm ( +10mm ) 2 . frame work ( a ) 25mm x 5mm flat iron support in front rear and bottom ends of the body box . 50 cm each cross support in rear resting of the wheel barrow and v-shape support of length 75 cm from projected handle to main body are also to be provided by using 25mm x 5mm flat iron . two no . projected supports for axle should be at front end and of 50mm x 5mm flat iron 150mm long with 25mm cylindrical holes for inserting axle . the body box is to be fitted on the main frame by electric welding . the supports etc . are also to be fitted by electric welding . the ms flats iron of size 25mm x 5mm for legs should twisted at 90 as required of length 70 cm each . ( b ) the frame work is to done with 32mm dia iron pipe of length 1660mm so as to support lhs and rhs of the body box . or the r . h . s . and l . h . s of 40mm x 6mm that are to be extended on the rear so as to obtain two handles . the handles are in be fabricated from m . s . sheet 1 . 6mm thick made in pipe shape of internal dia 30mm . the pipe handle length should apporx . 150mm . the handles are to be provided on the extended length of 40mm x 6mm frame ends . 3 . axle: it should be fabricated from 25mm cylindrical shape m . s bars . the details of the axle dimension are given as under: - a . over all length 700mm ( + 5mm ) . b . dia of cylindrical ends 25mm . ( + 1 mm ) c . length of each cylindrical ends 70mm ( +5mm ) d . dia of holes for split pin 5mm . e . position of holes from axle ends 7 to 8mm . 4 . wheels: cast iron rubberized wheels of wheel barrow of following specification: - a ) outer dia 300mm ( +5mm ) b ) c . i . flange dia 200mm ( +5mm ) c ) c . i . collor or flange of width 50mm ( +2mm ) c . i . collor height 6mm , ( +1mm ) with 2 groves of 1mm deep 2mm dia . d ) c . i . plate of thickness 6mm ( +1mm ) . e ) hub outer dia . 50mm , ( +5mm ) f ) hub length 50mm , ( +2mm ) g ) bore 25mm ( + 1 mm ) with cavity for greasing in the hub 3 mm deep 20 mm long in centre . or the wheel should be double ball bearing size 6205 . h ) 5 . markings/finish: - ( i ) painting coat of metal zinc chromate primers ( yellow oxide ) to be provided on all metal parts of quality and make approved by engineer in charge . ( ii ) interior of the wheel barrow box and its outer bottom shall be finished with coat of synthetic enamel black paint . ( iii ) frame , supports and outer of the barrow box ( except outer bottom ) are to be painted with two or more coat of oxford blue , synthetic enamel paint as approved by engineer-in-charge . ( iv ) sdmc/ shall be written on lhs and rhs . note : tolerance of +5% is acceptable