Immediate measures to embankment along B/B of river Longai from Patherkandi to NilambazarPh-I for 2018-19. Under SDRF (Restoration of Breach Like Damages at Paulpara).

Amount

Thick jungles: Clearing thick jungles and trees up to 50 cm in girth uprooting roots and stumps, removing them from the site of the work etc. complete as directed.

Earth work in embankment by truck carriage in locally available ordinary soil excluding rocky soil free from roots & vegetation and filling in uniform layers not exceeding 22cm. 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 2.5cm 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 section earth work on account of shrinkage) For initial lead beyond 6 Km and up to 8.00 Km and for all lifts

Supplying of galv. wire netting sheets of size 2.57 X 1.67 m made of 8 G wire of 152 mm sq. mesh including 76 mm projection of each wire on all side beyond the net size of 2.42 m X 1.51 m including labour charge for loading unloading stacking cost of P.O.L.

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)

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

Supply of Geo-textile bags of type-A (1.03X0.70M) made of Geo-textile 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 (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) rapezoidal 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).

Filling and laying in cage with sand filled Geo bags of size 1.03m X 0.70m excluding excavation of specified sand from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand weighing 126.00 Kg after filling ,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) a. (Without Boat).

Filling and laying of Geo bags of size 1.03m X 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 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) (With Boat).

Laying and pitching moist mortar filled ECB @0.028 m3 / bag on trimmed river slope including preparing the most cement mortar (1:6) filling and stitching the mouth with nylon/plastic thread including preparing seat of bags complete as directed

Supply of E.C. Bags

Labour charge for laying and pitching earth filled cement bags including excavation and borrowing earth, breaking clods, filling in bags and supplying and stitching the mouth with jute sutli, etc. complete as directed. (cement bags will be supplied by the department free of cost).

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

Construction of whole bamboo single pallisiding with matured jati bamboo stacks 7.50 cm to 100 mm dia, 15 cm clear apart 1.20 m to 1.80 m above ground and 1,00 m to 1.20 m below ground with jati bamboo inclined struts fixed 1.20 m to 1.50 m apart tied with three rows of horizontal half jati bamboo kamieswirh cane/wire of 16Gto 18 G etc complete as directed (using Bhaluka bamboo at the rate of 8,67 nos/Rm&jati bamboo at the rate of 2.40 nos/Rm)