Closing avusion of Kaldia river on its R/B embankment at village Bonbari under SDRF for 2019-20

Amount

Earth work in embankment by Tractor-trailer 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 50cm. 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 forest royalty if any, etc. complete as directed. (10% deduction will be made from the section measured quantities of the completed and compacted earth work on account of shrinkage)

Supply of Geo textile bags of type –A (1.03 × 0.70 m) made of Geo textile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fiber having thickness not less than 3.00 mm with minimum properties as (i) Tensile strength (CD) ≥ 24 Kn/m (ii) Tensile strength (MD) ≥ 22 KN/m (ii) Mass ≥ 400.00 Gm/m2 (iii) CBR Puncture strength ≥ 4100 N/m2 (iv) Elongation @ break (Warp) ≥ 54% (v) Elongation @ break (Weft) ≥ 52% (vi) Abrasion ≥ 70% (vii) UV Resistance @ 500 hours ≥ 70% (viii) AOS ≤ 75 micron (ix) Permittivity ≥ 1.25, (x) Trapezoidal Tear Strength ≤ 520 N (xi) Permeability = 45 Lt/m2/sec (xii) Seam strength = 80% of geo textile 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 m.(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. Assam to be printed 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 invariable be submitted against each batch of material). Including carriage of Geo from to work site @Rs 2.17

Analysis of rate for carriage of Geo-bag of size 1.03x0.70m including loading and unloading stacking cost of POL etc. compolete including hire charge of truck driver and handyman completed as directed (Distance to be calculated with respect ot Guwahati (Total 120Km @Rs.0.013/Km/bag)

Supplying of Galved hexagonal wire netting sheets made of 152 mm (6”) square mesh in sheets of overall size 2.57 m × 1.66 m (8’-6” × 5’6”) having knots of 12 gauge at every joints including loading, unloading and stacking properly complete as directed by the Deptt. (Weight of each sheet should not be less than 6.30 kg.)

Supply of sewing tread/yarn PPMF stitching thread (2000 Den) Kaplon including paymnet of taxes (inclusive of labour cess 1%)

Filling and laying in cage with silt filled Geo bags of size 1.03m × 0.70m including excavation of specified 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 charge and local carriage within a distance of 150m and laying properly. In cage made of wire netting sheet of size 2.57 × 1.66 m of 8G galvanized wires 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)

Earthwork in bank trimming to the designed section/ slope including removing the soils at a safe distance complete as directed.