retender procurement of flood fighting materials ( e.c bag ) for water resources department for the year 2022-23 , supply of ec bag of size ( 0.49× 0.83m ) inner to innerdimention, made of 87 gsm manufactured fromwoven polyster of white colourwith minimum properties ( i ) strip tensile strength ( warp / weft ) as per astmd5035= 7kn / m ( ii ) tensile elongation as per astmd5035 = 20 % ( iii ) cbr puncture resistanceas per astmd6241 =850 n ( iv ) mullen burstastmd3786 = 700 kpa ( v ) aos as per astmd4751 = 425 micron ( vi ) water flow / permeability 60lt / m2 / min stitching of bags should bemouth open and bottom sfds. including 3mm dia polysterrope of length 75 cm, punched 10 cm from the top & 3 cm from edge, rope strangth 300lbs. ( bags are to be supplied a bundle of 100 numbers , properly packed with name of manufacturer and batch number and each bag to be marked with “wrd govt of assam”to be printedwith minimum font size height of 50 mm on each bag and mentioning properly the gsm and type of geo bag polymer. test certificate from approved nabl accredited and iso certified laboratory should invariably be submitted against each batch of material ) .