Water Resources Department Tender

Uprooting bamboo clumps where bamboo has been already removed i/c removing stumps to a distance as directed.

Supply of non-woven Geo-textile fabric sheets of 300 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as (i) Tensile strength ≥ 12 KN/m (ii) Mass≥ 300.00 Gm/m ² (iii) CBR Puncture strength ≥ 3.5 KN (iv) Elongation at break ≥ 60% (v)Abrasion ≥ 70 % (vi) UV Resistance @ 500 hours ≥ 70% (vii) AOS ≤ 75 micron (ix)Permittivity ≥ 1.25, (x) Trapezoidal Tear Strength ≤ 340 N (xi) Permeability = 2.00 x 10 ̄ ³ m/sec (xii) Seam strength = 80 % of geotextiles strength . Stitching of Bags should be Ring Spun Yarn stitches with 2500-3000 denier double line chain stitch with overlap with stitches along the edge @ minimum 15 stitches per 100 mm.(Each Roll of Geo Fabric Sheet should be supplied in properly packed Bundles and should be marked with the Name of Manufacturer & Batch Number clearly on each bundle with “WRDGovt of ASSAM” to be printed on it and mentioning properly the GSM and type of polymer andTest Certificate from approved NABL accredited and ISO Certified Laboratory shouldinvariably be submitted against each batch of material)

Felling and laying in case with silt filled of Geo- bags of size 1.03 x 0.70 m excluding excavation of silt from flood plain or adjacent chars within a distance of 90m of the work site, filling bags with sand having minimum weighing 126.00 kg and minimum vol. 0.084 cum after filling,double locking chain stitching the month of the filled bags with polypropylene thread by power driven double needle machine, stacking the same in batches of 100, carrying the same to the dumping site including all handling charges and local carriage within a distance of 150m and laying properly in cases made of WN sheet of size 2.57m x 1.66 m of 8G galvd.wire making the case with 2 nos.of W.N sheet tying the projected ends complete as directed. (silt, Bags and polypropylene thread and W.N sheets will be supplied by the department free of cost.) ii) With Boat