Re-sectioning of river Tekonjhora at Kharija-Dolaigaon Near Bongaigaon along with Marginal bund at both side with spoiled soil for a length of 3000M.

Amount

Light Jungles: Clearing light jungles and trees upto 15 cm. girth including cutting, uprooting roots and stumps, removing them from the site of the work, etc. complete as directed. ( When 30% of the area is covered by shrubs,trees etc).

Earth work in bank trimming to the designed section /slope including removing the soils at a safe distance.

Excavation of drainage channel to the proper grade and slopes as required including disposing the excavated debries/soil to a safe distance of beyond 100 m distance as directed. Wet & Sticky Soil For lead up to 30m and all lifts

Supply of Geo-textile bags of type-A (1.03X0.70M) made of Geotextile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as (i) Tensile strength ≥ 12.4 KN/m (ii) Mass ≥ 400.00 Gm/m ² (iii)CBR Puncture strength ≥ 1550 N/m2 (iv) Elongation @ break (Warp) ≥ 54% (v) Elongation @ break (Weft)≥ 52% (vi) Abrasion ≥70 % (vii) UV Resistance @ 500 hours ≥ 70% (viii) AOS ≤ 75micron (ix) Permittivity ≥ 1.25, (x) Trapezoidal Tear Strength ≤ 340N (xi) Permeability = 2.00 x 10 ̄ ³ m/sec (xii) Seam strength = 80 %of geotextiles strength . Stitching of Bag 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.(Bags are to be supplied of 100 numbers or part in a bundle,properly packed with name of Manufacturer and Batch Number is to be marked on each bag with “WRD Govt of ASSAM” to erinted 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).FOR Guwahati.

Carriage of Geo Bags of size 1.03 x 0.70 m including loading & unloading , Stacking cost of P.O.L. ,etc. complete and including hire charge of truck with driver and handyman completed as directed.(Distance to be calculated with respect to FOR Guwahati,i.e.upto work site at Bongaigaon=190km)(Rs.0.013bag/kmx190km=Rs.2.47Each)

Filling and laying of Geo bags of size 1.03m X 0.70m excluding excavation of silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with silt having minimum weighing 126.00 Kg and minimum volume 0.084 cum after filling ,double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle double stitched 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 as directed. (Silt, Geo Bag and Polypropylene thread will be supplied by the department free of cost)........... (a) Without Boat

Supply of 9 mm dia. Rope polypropylene gabion of size 2m x 2m x0.45 m having rope weight of 42 gm/m and mesh opening 150 mm x150 mm with tensile strength of 1560 kg.FOR Guwahati.

Carriage of Gabion box of size 2.0mx2.0mx0.45m including loading & unloading, cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman completed as directed.(Distance to be calculated with respect to FOR Guwahati,i.e.upto worksite at Bongaigaon190km)(Rs.0.132No./kmx190km=Rs.25.08/No.)

Filling and laying of polypropylene gabion boxes filled with silt filled Geo bags of size 2.0m X2.0m X 0.45m excluding excavation of silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with silt weighing 126.00 Kg after filling ,double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle machine, stacking the same in batches of 100 or part as directed carrying the same to the dumping site including all handling charges and local carriage within a distance of 150m and laying properly complete as directed. (Silt, Geo Bag , Gabion and Polypropylene thread will be supplied by the department free of cost) (A)without boat---

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 “WRD Govt of ASSAM” to be printed on it and mentioning properly the GSM and type of polymer and Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material)FOR Guwahati.

Carriage of 300 gsm Geo sheet of including loading & unloading , Stacking cost of P.O.L. ,etc. complete and including hire charge of truck with driver and handyman completed as directed.(Distance to be calculated with respect to FOR Guwahati,i.e.upto worksite at Bongaigaon=190Km)(Rs.0.013Sq.m/kmx190km=Rs.2.47/Sq.m)

Labour charge for laying Geo fabric sheet as filter bellow pitching including anchoring and complete as directed.

Supply of Sewing Thread/Yarn PPMF Stitching Thread (2000 Den. Kaplon) i/c payment of taxes.

Collection and supply of River silt by truck carriage free from debries and other foreign material payment of forest royalty if any, etc.(For initial Lead beyond 1/2 Km and upto 4.00 km for all lifts.)

DEEPAK KUMAR SINHA