supply of materials supply of materials in various wards of varapuzha grama panchayat , quarry waste , stone aggregate ( single size ) :20 mm nominal size , stone aggregate ( single size ) : 10 mm nominal size , stone aggregate 40 mm nominal size , coarse sand ( zone iii ) , portland cement , hire charges of concrete mixer 0 . 25 to 0 . 40 cum with hopper , vibrator ( needle type 40 mm ) , sundries , interlocking c . c . paver block ( 80 mm thick , m-30 ) , stone aggregate ( single size ) : 06 mm nominal size , wall form panel 1250x500 mm , 100 mm channel shoulder 2 . 5 m long , double clip ( bridge clip ) , single clip , m . s . tube 40 mm dia , twisted steel/deformed bars , second class kail wood in planks , second class kail wood in scantling , solid blocks of size 30x20x20cm , solid blocks of size 30x20x15cm , fine sand ( zone iv ) , deharadun white lime , galvanised wire mesh of average width of aperture 1 . 4 and nominal dia . of wire 0 . 63 mm , wire nails , red oxide zinc chromate primer , epoxy paint , mild steel tubes hot finished welded type , welding by electric plant , galvanised steel corrugated sheets , galvanised steel bolts & nuts 6 mm dia and 25 mm long round head with slots , galvanised steel j or l hooks 8 mm dia , g . i limpet washer , bitumen washer , roofing paint for iron sheets in red colour , 200 mm aluminium aldrop