supply of materials for muttukada colony drainage construction ( re-etender ) , materials , stone aggregate ( single size ) : 40 mm nominal size , stone aggregate ( single size ) :20 mm nominal size , coarse sand - zone iii ( m-sand for concreting works ) , portland cement , hire charges of concrete mixer 0 . 25 to 0 . 40 cum with hopper , vibrator ( needle type 40 mm ) , sundries , wall form panel 1250x500 mm , corner angle 45x45x5 mm 1 . 50 m long , 100 mm channel shoulder 2 . 5 m long , double clip ( bridge clip ) , single clip , m . s . tube 40 mm dia , stone aggregate ( single size ) :10 mm nominal size , structural steel such as tees , angles , channels and r . s . joists , red oxide zinc chromate primer , adjustable span eso+si ( 2 . 35-3 . 40 ) , adjustable telescopic prop 3 m ( 2 . 02-3 . 75m ) , twisted steel/deformed bars , fine sand - zone iv ( m-sand for plastering works )