supply of construction material.- ( a ) fly ash bricks of size 230mm x115mm x75mm with frog size 110 x 40 x 10-20mm having min compressive str 75 kg / cm2 and conforming to is 12894 of 2002. nos 40960 ( b ) cement bags ppc conforming to is -1489 ( part-i ) 1991 with amdt no 1 to 3 packed in hdpe bag of 50 kg each confirming to is-11652 / 2000 ( make : ambuja / birla / ultratech / shree ultra ) bag 850 ( c ) sand conforming to is-383-1970. the sand shall be hard, dense, strong, durable, clear and free from veins, adherent coatings, disintegrated pieces, alkali, vegetable matters and other deleterious substances. cum 107.5 ( d ) fine sand cum 15 ( e ) graded stone aggregate of size 40-63mm conforming to is-383-1970 cum 194 ( f ) graded stone aggregate of size 40mm conforming to is-383-1970 cum 80 ( g ) graded stone aggregate of size 20mm conforming to is-383-1970 cum 50 ( h ) machine pressed precast concrete glossy interlocking paver block any shape and size confirming to is 15658-2006 of 60 mm thickness, m-35 grade. sqm 151 ( j ) precast concrete block 300x300x150mm size to be use as kerb stone, m-30 grade. nos 683 ( k ) pvc pipe 75mm dia 1.2mtr long. nos 11 ( l ) tor steel 8 mm dia conforming to is 2062-1999 make : sail / tisco / rinl kgs 34 ( m ) tor steel 10 mm dia conforming to is 2062-1999 make : sail / tisco / rinl kgs 156 ( n ) pvc swr pipe 150mm dia with single socket ( length 3m ) ( make kishan / prince / supreme ) rm 15 ( o ) hume pipe septic tank design to carry sewage and sullage water, vent saft, connection ets complete for 10 user. nos 01 ( p ) solvent cement ( adhesive for pvc pipe ) ltrs 0.1 ( q ) pvc vent pipe 110mm dia 3.5m long with vent cowl ( make: sudhakar / supreme / prince / kissan ) nos 02 ( r ) brick bats cum 03 ( s ) 80mm thickness m-40 grade machine pressed precast glossy finish concrete interlocking paver block any shape and size confirming to is 15658-2006. sqm 173 ( t ) precast curve stone 300x300x150mm m-40 grade. nos 179