procurement of flood fighting materials (sand bag) for water resources department for the year 2024-25 (zone-a) , supply of sand bag of size (0.50 × 0.90m) inner to inner dimention, made of 100 gsm manufactured from woven polyster fabric of black with minimum properties (i) strip tensile strength(warp/weft) as per astmd5035 = 550n (ii)tensile elongation as per astmd5035 = 20 % including multicolor 3mm dia polyster rope of length 0.75m, 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 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).