Immediate measures for repairing of damages on L/B of Borolia at village Borbalisiha (Budu Chupa) under SDRF for the year 2021-22

Amount

Earth work in bank trimming to the designed section/ slope including removing the soils and depositing on bank/ toe of the embankment as directed by the deptt. including clearing light jungles, debrices and other foreign materials etc. with all lead and lift complete as directed.

Supply of Geo textile bags of Type –A (1.03x0.70 m) made of Geo textiles non woven fabric sheets of 400 GSM manufactured from 100% virgin polypropylene (PP) fibre having thickness not less than 3.00 mm with minimum properties as (i) Tensile strength ≥24 KN/M (ii) Tensile strength (MD) ≥ 22 kn/m (iii) Mass ≥ 400.00 Gm/sqm (iv) CBR Puncture strength ≥4100 N/sqm (v)Elongation @break (Warp) ≥ 54% (vi)Elongation @break (Weft) ≥ 52% (vii) Abrasion ≥ 70% (viii) UV Resistance @ 500 hours ≥ 70% (ix) AOS not Less than 75 micron (x) Permittivity ≥ 1.25 (xi)Trapezoidal Tears Strength not less than 520 N Xii) Permeability = 45 ltr /sqm/sec (xiii)Seam strength = 80% of Geo textile 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. ( 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 be printed on each bag and mentioning properly GSM and type of Geo bag polymer . Test Certificate from approved NABL accredited and ISO Certified Laboratory should inverbly be submitted against each batch of material ).

Supply of Galvd. W. N. Sheet made of 8G wire of 152 sq. mesh (6//) in sheets of overall size 2.57 x 1.60m (8/6// x 5/6//) including projection of each wire on all sides beyond the net size of 2.42 x 1.51m (8/5//) including loading, unloading and stacking properly complete as directed by deptt

Filling and laying of Geo bags of size 1.03m X 0.70m including 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. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) Without Boat

Filling and laying in cage with silt filled Geo bags of size 1.03m X 0.70m including 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 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 cages made of wire netting sheets of size 2.57x1.66m of 8G galvanized wire making the cage from 2 nos. of wire netting sheet by tying the projected wires complete as directed. (Geo Bag, Wire Netting Sheets and Polypropylene thread will be supplied by the department free of cost). Without Boat

Supply of Sewing Thread/Yarn PPMF stitching Thread (2000 Den ) Kaplon including payment of taxes.( Inclusive of labour cess 1%)

Construction of whole Bholuka Bamboo Screen with matured Bholuka Bamboo stacks 75mm to 100mm dia, placed at 30 cm clear apart( i.e. 40 cm C/C) driven 4.00 m to 4.50m below ground and 3.0m to 3.50m above ground with hydraulic driving equipments including hire charge of equipment, cost of P.O.L. etc. and providing with 1 (one) row of horizontal half Jati bamboo kamies tied with galvanized wire of 16 G to 18 G etc complete as directed.(Using Bhaluka Bamboo at the rate of 240.00 nos/ Rm & Jati Bamboo at the rate of 9.60 nos / Rm)

Bichitra Baruah

SRI KAMINI KANTA BASUMATARY

HARESWAR BARO