Protection of Smashan ghat at Lakhipur town from the erosion of river Jinjiram 2020-21.

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. ( When 30% of the area is covered by shrubs, trees etc)

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

Collection of broken stone metal of size 20 mm to 38mm from hard blasted rock free from dust, dirt and other foreign materials screening properly, stacking in suitable stacks at quarry site, payment of forest royalty monopoly, etc. Complete as directed.

Supply and carriage 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 ≥ .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.

Supplying of galvd. wire netting sheets made of 8G wire of 152 mm (6") square mesh in sheets of overall size 2.57 m × 1.66 m (8'6" × 5'6") including 76 mm projection of each wire on all sides 2.42 m × 1.31 m (8'0" × 5'0") having knots of 12G at every joints including unloading and stacking properly, complete as directed by the department (weight of each sheet should not be less then 6.30 Kg)(taxes extra).

Labour charge for making filter bed of required thickness with stone metal of size 13mm to 38mm over the trimmed surface of river bank/embankment., slope, including site carriage of metal within a distance of 150m etc. complete as directed

Providing and laying of plain cement concrete slab of size 0.50m X 0.50mX 0.15m, made in proportion 1:2:4, on trimmed graded slope of river bank including ramming the seat, curing, carriage of the slab from the place of casting to the work site up to a distance of 200m and all handling charges etc. complete as directed..

Filling and laying of Geo bags of size 1.03m x 0.70m including 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 as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost). Without boat

Supply of sewing thread/Yarn PPMF Stitchig Thread (2000 Den. Kaplon) i/c payment of taxes.

Filling and laying in cage with sand filled Geo bags of size 1.03m X 0.70m including excavation of specified sand from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand 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

Construction of temporary shed of two roof with mud plinth of 0.45 m height above groung level with Bhaluka bamboo post 1.5m apart driven atleast 0.75 m below ground and height above plinth 2.5m. Split Jatti bamboo wall mud plastering white washing 2 coats, 10 cm thick touch roofing over bamboo rua frame placing at o.15m clear apart fitted with bamboo kamies from binding doorss and windows with Bamboo Chattai strrengthening with Bamboo frame binding with wire etc. complete as directed.

SRI SIMANTA KUMAR DAS