procurement of flood fighting materials (sand bag) for water resources department for the year 2025-26 (zone-a) , supply of sand bag of size (0.50 × 0.90 m) inner to inner dimension, made of 100 gsm manufactured from woven polyester fabric of black with minimum properties i. strip tensile strength (warp/weft) as per astmd5035 = 550n ii. tensile elongation as per astmd5035 = 20 % including multicolour 3 mm dia. polyester rope of length 0.75 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 fromapproved nabl accredited and iso certified laboratory should invariably be submitted against each batch of material).