tender for mahathma gandhi nregs projects materials , meterial , 100 mm channel shoulder 2 . 5 m long , bitumen washer , portland cement , coarse sand ( zone iii ) , double clip ( bridge clip ) , fine sand ( zone iv ) , g . i pipes 50 mm dia , g . i . pipes 40 mm dia , g . i . plain washer thick , galvanised steel j or l hooks 8 mm dia , galvanised wire mesh of average width of aperture 1 . 4 and nominal dia . of wire 0 . 63 mm , laterite stone of size 35x20x20cm , m . s . tube 40 mm dia , metal primer ( u . g . ) , multi surface paint , precoated aluminium trafford sheet 0 . 450mm thick , precoated galvanised steel plain ridges , pvc pipe 110 mm outer dia 6kgf / cm2 , pvc pipe 160 mm outer dia . 4kgf / cm2 , red oxide zinc chromate primer , single clip , solid blocks of size 40x20x15cm , solid blocks of size 40x20x20cm , special primer ( c . w ) , stone aggregate ( single size ) : 10 mm nominal size , stone aggregate ( single size ) : 40 mm nominal size , stone aggregate ( single size ) :20 mm nominal size , hire charges of vibrator ( needle type 40 mm ) , wall form panel 1250x500 mm , welding by electric plant , wire nails , hire charges of concrete mixer 0 . 25 to 0 . 40 cum with hopper , citizen information board for individual works , citizen information board for community works , sundries