Construction of embankment from Jartaluk and Nakhata village R.C.C bridge Dhamdhama Tamulpur PWD Road over Pagladia river to Halapara village under NABARD RIDF-XXV

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 (1.03X0.70M) made of Geo-textile non-woven fabricsheets 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 (CD) ≥ 24 KN/m (ii) Tensile strength (MD) ≥ 22 KN/m (ii) Mass ≥ 400.00 Gm/m ² (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 = 45Lt/m2/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. (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 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).

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

Supply of galvd. Wire netting sheets made of 8G wire of 152mm(6”) square mesh in sheet of overall size 2.57x1.66m (8’-6”)x(5’-6”) including 76mm projection of each wire on all size beyond the net size of 2.42mX1.50m(8’-5’) including, loading, unloading and stacking properly etc. Complete directed by the deptt. (weight of each sheet should not be less than 6.30 Kg)(12% GST and 1% labour cess included)

Supply of sewing Thread /Yarn PPMF stitching Thread (2000 Den) Kaplon including payment of Taxws (inclusive of labour cess 1%)

Filling and laying in cage with silt filled Geo bags of size 1.03m X 0.70m excluding 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 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)

Sabita Ramchiary

SRI ANIL BORO