Bank stabilization measures to protect the Kakripara-Balurchar road cum bund from the erosion of river Dorni.

Amount

Light jungles clearing light jungles and trees upto 15 cm girth including cutting, 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 layer not exceeding 22cm thick including cutting and clearing light jungles trees upto 50cm. girth ploughing or roughening or benching the seat, removing all debris, breaking clods upto 2.5cm cube, dressing as per design section including payment of forest royalty if any etc. complete as directed. (10.00% deduction will be made from measured quantitiesof the completed and compected section earth work on account of shrinkage) For initial lead beyond ½Km and upto 4.00Km and for all lifts (for lead of 1/2 km and upto 4.0km and for all lift)

Turfing with grass sods of largest possible rectangles of 12 cm minimum thicknesses placed closely including dressing, earth pegging with jati bamboo split, watering till the grass grows for a lead upto 90 m and all lifts.

Supply of geo textile bag of type-A (size 1.03 x 0.70 m), inner dimention made of geo-textile non woven fabrick 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) ≥ 24Kn/m (ii) Tensile strength (MD )≥ 22Kn/m (iii) Mass ≥ 400.00 Gm/m2 (iv) CBR Puncture strength ≥ 4100 N/m2 (v) Elongation @ break (wrap) ≥ 54% (vi) Elongation @ break (weft) ≥ 52% (vii) Abresion ≥ 70% (viii) UV resistance @500 hours ≥70% (ix) AOS ≤75 micron (x) Permiability ≥1.25 (xi) Trapezoidal tear strength ≤520 N (xii) Permiability = 45Lt/m2/sec (xiii)Seam strength = 80% of geo textiles strength. Stitching of bag should be Ring spun Yarnstitched with 2500-3000 denier double line chain stitch with overlap with stitches along the sdge @ minimum 15 stitches per 100 mm. (Bags are to be supplied of 100 numbers or part in bundle , properly packed with name of Manufacturur 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 inveriably be submitted against each batch of material) FOR KAKRIPARA

Carriage of Geo bags of size 1.03x0.70m including loading and unloading, stacking cost of POL etc complete and including the hire charge of truck with driver and handyman completed as directed.

Supply of Sewing thread/ Yam PPMF stitching thread (2000 Den. Kaplon including payment of taxes.

Supply of non-woven geo textile fabric sheets 300 GSM manufactured from 100 % vergin Polypropyline (PP) fibre with minimum properties as (i) Tensile strength ≥ 12 KN/m (ii) Mass ≥ 300.00 Gm/m2 (ii0 CBR Puncture Strength ≥ 3.5 KN (iv) Elongation @ break ≥ 60% (v) Abresion ≥ 70% (vi) UV resistance @500 hours ≥ 70% (vii) AOS ≤75 micron (ix) Permiability ≥1.25 (x) Trapezoidal tear strength ≤ 340 N (xi) Permiability = 2.00 x 10 ̄ ³ m/sec (xii)Seam strength = 80% of geo textiles strength. Stitching of bag should be Ring spun Yarn stitched with 2500-3000 denier double line chain stitch with overlap with stitches along the edge @ minimum 15 stitches per 100 mm. (Each roll of geo fabric sheet should be supplied in properly packed bundles and should be marked with the Name of Manufacture and Batch number clearly on each bundle with WRD Govt of Assam to be printed on it and mentioning properly the GSM and type of polymer and test certificate from approved NABL accredited and ISO certified laboratory should inveriably be submitted against each batch of material) FOR KAKRIPARAI

Carriage of 300 gsm geo sheets of including loading & unloading, stacking cost of POL etc complete and including the hire charge of truck with driver and handyman completed as directed.

Supply of galvd. Wire netting sheets made of 8G wire of 152mm (6") square mesh in sheets of overall size 2.57m x 1.66m (8'-6") including 75mm projection of each wire on all sides beyond the net size of 2.42m x 1.31m(8'-0" x 5'-0") having knots of 12G wire at every joints including loading, unloading, stacking properly complete as directed by the department.(weight of each sheet should not be less than 6.30 kg)

Supply of serviceable empty cement bag

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

Labour charge for laying geo fabric sheet as filter below pitching including anchoring and complete as directed.

Construction of whole bamboo single palisading with matured jati bamboostacks 7.5cm to 100mm dia. 15 cm clear apart 1.20m to 1.80m above ground and 1.00m to 1.20m below ground with jati bamboo inclined struts fixed 1.20m to 1.50m apart tied with three rows of horizontal half Jati bamboo kamies etc. complete as directed. (Using Bhaluka bamboo @ 8.67 nos/Rm & Jati bamboo @ 2.40 nos/Rm.)

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 Deptt. free of cost) for Borrowing earth from a distance up to 30m

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

Filling and laying of Geo bags of size 1.03m X 0.70m excluding 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 of Geo bags of size 1.03m X 0.70m excluding 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). With Boat