Restoration of damages at Saikhowa bund Ph-I i/c repairing of existing Land spurs at Dirak Chumoni (Package 1)

Amount

Clearing medium jungles and trees upto 15cm girth including cutting, uprooting roots & stumps, removing them from the site of the work etc. complete as directed. (when 30% to 60% of the area is covered by shrubs, trees etc )

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

Supply of Geo-textile bags of type-A (1.03X0.70M) inner dimension 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) 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). (F.O.R Guwahati)

Supply of Geo Bags Type-B (Size 2.00m x 1.50m)( pillow Type) made of composite layers of geo- textile as per specifications below :  Weight (ISO-9864/ASTMD 5261) ≥300 Gms/Sqm.  Tensile strength(MD) ( ASTMD 4595) = ≥12 kN/m  Tensile strength(CD) ( ASTMD 4595) = ≥12 kN/m  Tensile Elongation ( ASTMD 4595)= ≥5% & ≤30%  Grab Elongation ( ASTMD 4632)= ≥5% & ≤30%  Tensile strength ( ASTMD 4632) = 1.5 KN  UV resistance( ASTMD 4355) = 70%/500 hrs (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). F.O.R Guwahati

Supply of non-woven Geo-textile fabric sheets of 300 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as (i) Tensile strength ≥ 12 KN/m (ii) Mass ≥ 300.00 Gm/m ² (iii) CBR Puncture strength ≥ 3.5 KN (iv) Elongation at break ≥ 60% (v) Abrasion ≥ 70 % (vi) UV Resistance @ 500 hours ≥ 70% (vii) AOS ≤ 75 micron (ix) Permittivity ≥ 1.25, (x) Trapezoidal Tear Strength ≤ 340 N (xi) Permeability = 2.00 x 10 ̄ ³ m/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. (Each Roll of Geo Fabric Sheet should be supplied in properly packed Bundles and should be marked with the Name of Manufacturer & 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 invariably be submitted against each batch of material)(Delivery at Site)

Construction and supply of Wire -netting box of size 1.50mx 1.50mx 0.45m made with mechanically woven, double twisted , hexagonal shaped wire mesh with wire made of low carbon, high ductile MS wire with heavy class of galvanization with an additional layer of PVC coating with mesh type of 10x12 as per EN 10223 & ASTM A975 , mesh wire of 2.70mm (I.D)/3.70mm(OD)tensile strength of 450-500/mm²,edge wire/selvedge around it at least 2.5 times, lacing wire (zink P.V.C. coated) of 2.20mm (I.D.) /3.20mm (O.D) P.V.C. coating thickness of 0.50mm nominal, 0.38mm minimum and with average weight per unit being 12 kg with additional 3% of the weight of box for lacing wire supplied separately, supporting the facing of the box with Zink coated steel wire of required length as directed, compling with A.S.TM and Europian norms, including payment of all duties,sale tax, any other taxes as applicable loading, unloading and staking them at the site of work in measurable stacks, complete as directed .

Supply of sewing thread/yarn PPMF stiching thread (2000 Den.Kaplan) i/c payment of taxes.

Collection and supply of silt from sand chor of river bed free from dust and any other foreign materials including necessary carriage, loading unloading, stacking in regular measurable stacks at the site of work including payment of forest royalty, sale tax etc. complete as directed.

Carriage of Geo bag of size 1.03mx0.70m to work site from Guwahati including loading , unloading and stacking ,cost of P.O.L etc. including hire charge of truck with driver and handyman complete as directed.(Distance with respect to FOR Guwahati) .

Carriage of Geo bag of size 2.00mx 1.50m to work site from Guwahati including loading , unloading and stacking ,cost of P.O.L etc. including hire charge of truck with driver and handyman complete as directed.(Distance with respect to FOR Guwahati) .

Labour charge for laying Geo fabric sheet as filter bellow pitching i/c anchoring and complete as directed.

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 sand weighing 126.00 Kg after filling ,stitching the mouth of the filled bags with polypropylene or polyester 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/polyester thread will be supplied by the department free of cost) A) With Boat

Filling and laying of 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 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. (Silt, Geo Bag and Polypropylene thread will be supplied by the department free of cost) B) Without Boat

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 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) . B) Without Boat

Filling and laying of non-woven Geo-textile bag of dimension 2.00m x 1.50m including excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the work site filling geo bags with sand stitching the mouth of the filled bags with polypropylene or polyester thread by power driven double needle machine, laying at proper site including all handling charges and local carriage within a distance of 100m complete as directed. (With boat)(Geo bag and polypropylene/ polyester thread will be supplied by the department free of cost) a) With Boat

Earth work in excavation by hydraulic excavator, to proper grade and slopes as required including utilizing the spoils for filling works in the vicinity including removing roots & vegetation, dressing to design section complete as directed. Ordinary Soil , For depth up to 3.00m

Earth work in embankment by truck carriage in clay soil free from roots and vegetations and stacking in regular measurable stacks at suitable places including clearing and leveling the stacking site, breaking clods up to 2.5 cm cube, payment of compensation for borrowing earth from private land or forest royalty, if any etc. complete as directed. (12.5% deduction will be made from the section measured quantities of the completed and compacted on account of shrinkage).

Spreading of earth stacks over the crest and slope of the embankment approach road in uniform layers of layers of 30cm thick including breaking clods, dressing ramming etc., complete where necessary including dressing the embankment before complete as directed.

Collection and supply of sand gravel from approved quarry containing 60% sand and 40% gravel free from disintegrated and flaky pieces of vegetation and other deleterious matters, adherent coating etc. including stacking in suitable stacks at quarry site and payment of forest royalty etc. complete as directed.

Labour charge for laying of soling stone, brick bats, broken stone metal, sand gravel etc. on approach road including ramming dressing the seat and local carriage of materials up to a distance of 60 m complete as directed

SARJUG SAH

ROBIN MORAN