procurement of flood fighting materials ( e.c bag ) for water resources department for the year 2023-24. , supply of ec bag of size ( 0.49 × 0.83 n ) inner to inner dimension, made of 87 gsm manufactured from woven polyester of white colour with minimum properties i. strip tensile strength ( warp / weft ) as per astmd 5035 = 7kn / m ii. tensile elongation as per astmd 5035 = 20 % iii. cbr puncture resistance as per astmd 6241 = 850 n iv. mullen burst astmd 3786 = 700 kpa v. aos as per astmd 4751 = 425 micron vi. water flow / permeability 60 lt / m2 / min stitching of bags should be mouth open and bottom sfds. including 3 mm dia. polyester rope of length 75 cm, punched 10 cm from the top & 3 cm from edge, rope strength 300 lbs. ( 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 printed with 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 ) .