tender for mgnregs material supply 2022-23 in thuravoor grama panchayath, ernakulam dist , item description , coarse sand ( zone iii ) , finesand ( zone iv ) , stoneagrregate ( singlesize ) 40 mm nominal size , stoneagrregate ( singlesize ) 20 mm nominal size , stoneagrregate ( singlesize ) 10 mm nominal size , quarrywaste , stoneagrregate ( singlesize ) 6 mm nominal size , portland cement , 100 mm channel shoulder 2.50 long , m.s. tube 40 mm dia , twisted steel / deformed bars , interlocking cc paverblock ( 80 mm thick m-30 ) , wall form panel 1250 x 500 mm , corner angle 45 x 45 x 5 mm 1.50 m long , double clip ( bridge clip ) , single clip , stone for masonry work , display board , hire charges concrete mixer .25 to .4 cum with hopper , vibrator ( needle type 40mm )