cattle shed , nadep compost pit mgnregs chemanchery grama panchayat re-e tender materials for cattle shed and nadep compost pit , solid blocks of 40x20x20cm , portland cement , coarse sand ( zone lll ) , quarry waste , stone aggregate 40mm nominal size , stone aggregate 20mm nominal size , stone aggregate 10mm nominal size , hire charges of concrete mixer 0 . 25 to 0 . 4 cum with hopper , vibrator ( needle type 40mm ) , g . i pipes 50mm dia , g . i pipes 40mm dia , red oxide zinc chromate primer , welding by electric plant , galvanised steel j or l hooks 8mm dia , bitumen washer , g . i plain washer thick , precoated aluminium trafford sheet 0 . 45mm thick , fine sand ( zone lv ) , solid blocks of 30x20x15cm , flats up to 10mm in thickness , mild steel round bar 12mm dia and below , stainless steel screws 50mm