Brahmaputra Board Tender

Earth work in embankment by truck carriage in locally available ordinary soil excluding rocky soil free from roots & vegetation and filling in uniform layers not exceeding 22 cm thick including cutting and clearing light jungles trees up to 50 cm girth ploughing or roughening or benching the seats, removing all debris, breaking clods up to 2.5 cm cube, dressing as per design section including payment of compensation for borrowing earth from private land or forest royalty if any, etc. complete as directed. (10% deduction will be made from the section measured quantities of the completed and compacted section earth work on account of shrinkage) For initial lead beyond 1/2 Km and up to 4.00 km and all lifts.(qntty.as per statement No-6 and rate as per WRD SR 2016-17,item No-2.4.1)Total length 4710 m.

Turfing with grass sod of largest possible rectangles of 12 cm minimum thickness and placed closely including dressing and pegging with Jati bamboo split, watering till the grass grows for a lead up to 90m and all lifts.

Filling and laying of Geo bags type–B ( 2.00 m X 1.50m) including excavation of specified silt from flood plain or adjacent chars within a distance of 90 m from work site. Filling geo bags with sand weighing 1700.00 kg after filling, stitching the mouth of the filled bags with polypropylene thread with power driven double needle machine, stacking the same in batches of 100, carrying the same in the dumping site including all handling charges and local carriage within a distance of 100m and laying properly as directed.(Geo bags and polypropylene thread will be supplied by the deptt. b) Without boat

Supplying & laying non woven Geo-textile fabric sheet of 300 GSM manufactured from 100% virgin polypropylene (PP) fiber with minimum properties asii) Tensile strength ≥12kn/m ii) Mass≥ 300.00Gm/m2 iii) CBR puncture strength ≥3.5KN/m2 iv) elongation @ break (wrap) ≥ 54 % v) elongation at break ( weft) ≥ 60% vi) Abrasion ≥70% vii) UV resistance @ 500 hours ≥70% viii) AOS≤ 75 micron ix) permittivity ≥ 1.25 x) Trapezoidal tear strength ≤ 340 N xi) permeability = 2.00x10.3 m/ sec xii) seam strength = 80% of Geo-textile strength . Stitching of Geo fabric sheet should be Ring spun yarn stitches with 2500-3000 denier double line chin stitch with overlap with stitches along the edges @ minimum 15 stitches per 100mm.Each roll of Geo fabric sheet should be supplied in properly packed bundle and should be marked with name of manufacturer and Batch No. clearly on each bundle and mentioning properly the GSM and type of polymer . Test certificate from approved NABL accredited and ISO certified laboratory should be invariably be submitted against each batch of material