supply of materials for construction of anayil mundakandam thodu culvert , materials , hydraulic excavator ( 3d ) with driver and fuel , hire and running charges of loader , puddle clay , empty cement bag , sundries , hire charge of 5hp engine and pump set , diesel oil , av . 25 cm dia coconut post , hire charges of derrick monkey rope , stone for masonry work , 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 ) , stone aggregate ( single size ) : 10 mm nominal size , twisted steel/deformed bars , 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 , 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 ) , fine sand - zone iv ( m-sand for plastering works ) , water proofing cement paint , g . i pipes 50 mm dia , g . i pipes 40 mm dia , welding by electric plant , royalty for good earth