Immediate measures to restoration works at Saikia Chuburi village from Panchnai river under SDRF for 2019-20

Amount

Light jungles: Clearing light jungles and trees up to 50 cm girth including cutting, uprooting roots and stumps, removing them from the site of the work etc. complete as directed.

Earth work in bank trimming to the designed section/slope including removing the soil and depositing on bank/toe of proposed structure as directed by the department. Including clearing light jungles, debris and other foreign materials etc. with all lead & lifts etc. completed as directed.

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

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.)

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)

Filling and laying of Geo Bags of size 1.03 m × 0.70 m 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 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 handing charges and local carriage within a distance of 150m and laying properly as directed. (Sand, Geo Bag and Polypropylene thread will be supplied by the department free of cost)

Supply of Polypropylene thread

Supply of R.C.C. porcupine member of size 0.10m × 0.10m × 2.00m with cement concrete proportion 1:2:4 reinforced by 4 Nos. of 8mmdia TMT bar and 4mm dia at (8G) wire stirrups at 15cm C/C with 2 (two) Nos. of Holes of 20mm dia at 50 cm inside from both sides in the same face and in the other face of member another 2 (two) Nos. of holes of size 20mm dia at 65 cm inside from both ends including properly cuing for 28 days and supply at work site complete as directed (Date of casting and Name of Supplier should be engraved on the members)

Labor charge for launching of R.C.C. porcupine including carriage of R.C.C. porcupine members of size 0.10m × 0.10m × 2.00m from the stack yard to the place of launching erection of the porcupine with 6 (six) members properly. Supply & fitting/fixing with 12mm dia 25 cm long M.S. Nuts and bolts and launching the porcupine properly as directed (lead upto 200m)

Local carriage of porcupine of porcupine members by Diesel truck of 10 M.T. Capacity including loading at river bank upto an average lead of 10.00 km and all lifts, complete as directed.