Immediate Measures to restore flood damages of Saktola B/B embankment from Jaljali to MPK road in R/B and from Hollowchowka to Jaljali in L/B including renovation sluice gate at Ch. 9200 m L/B under SDRF for 2019-20 PACKAGE 1 RETENDER

Amount

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

Earth work in embankment by Tractor-trailercarriage in locally available ordinary soil excluding rocky soil free from roots & vegetation and filling inuniform layers notexceeding 22 cm. thick includingploughing or roughening or benching the seats,removing all debris,breaking clods up to 2.5 cm cube,dressing as per design section including payment offorest royalty if any, etc. complete as directed. (10%deduction will be made from the section measuredquantities of the completed and compacted earth workon account of shrinkage)

Turfing with grass sods of largest possiblerectangles of 12 cm. minimum thickness placed closelyincluding dressing earth pagging with Jati bamboosplit, watering till the grass grows for a lead up to 90mand all lifts

Labour charge for clearing white ant nest fromthe embankment including digging earth, clearing whiteant nest, applying anti termite chemical and carryingspoils to a safe distance and filling the pits by freshearth including ramming, watering etc. Complete asdirected.

Earthwork in bank trimming to the designedsection /slope including removing the soils at a safedistance, complete as directed.

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) 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 tobe 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). (Carriage from Guwahati to the Work site).

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 chargeof truck with driver and handyman completed as directed.(Distance to be calculated with respect to FOR Guwahati)

Supply of non-woven Geo-textile fabric sheets of 300 GSM manufactured from 100% virginPolypropylene (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 2500-3000denier double line chain stitch with overlap with stitches along the edge @ minimum 15 stitches per100 mm.(Each Roll of Geo Fabric Sheet should be supplied in properly packed Bundles and should bemarked with the Name of Manufacturer & Batch Number clearly on each bundle with “WRD Govt ofASSAM” to be printed on it and mentioning properly the GSM and type of polymer and TestCertificate from approved NABL accredited and ISO Certified Laboratory should invariably besubmitted against each batch of materia)(Carriage from Guwahati to the Work site).

Analysis of rate for Carriage of 300 gsm Geo sheet of including loading & unloading , Stacking cost of P.O.L. ,etc. complete and including hire charge oftruck 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.

Collection and supply of River silt by truckcarriage free fro debries and other foreign materialpayment of forest royalty if any, etc.(For initial Leadbeyond 1/2 Km and upto 4.00 km for all lifts.)

Filling and laying of Geo bags of size 1.03m X0.70m excluding excavation of specified silt from floodplain or adjacent chars within a distance of 90m of thework site, filling geo bags with silt having minimumweighing 126.00 Kg and minimum volume 0.084 cumafter filling ,double locking chain stitching the mouth ofthe filled bags with polypropylene thread by powerdriven double needle double stitched machine, stacking the same in batches of 100, carrying the same to thedumping site including all handling charges and localcarriage within a distance of 150m and laying properlyas directed. (Geo Bag and Polypropylene thread will besupplied by the department free of cost) Wih Boat

Filling and laying of Geo bags of size 1.03m X0.70m excluding excavation of specified silt from floodplain or adjacent chars within a distance of 90m of thework site, filling geo bags with silt having minimumweighing 126.00 Kg and minimum volume 0.084 cumafter filling ,double locking chain stitching the mouth ofthe filled bags with polypropylene thread by powerdriven double needle double stitched machine, stacking the same in batches of 100, carrying the same to thedumping site including all handling charges and localcarriage within a distance of 150m and laying properlyas directed. (Geo Bag and Polypropylene thread will besupplied by the department free of cost) Wihout Boat

:Filling and laying in cage with sand filled Geo bags ofsize 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 withsand 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 threadwill be supplied by the department free of cost). Wihout Boat

Supply of galvanised wire netting sheets made of 8 G wire of 152mm.(6")square mesh in sheets of overall size 2.57m.X1.66m.(8'-6")including 75mm. Projection of each wire on all sides beyond the net size of 2.42m.X1.31m.(8'-0" X 5'-0")having knots of 12 G wire at every joints including loading, unloading, stacking properly complete as directed by the deptt. (Weight of each sheet should not be less than 6.30 Kg., Taxes extra,Aproved by ASIDC)

Labour charge for laying Geo fabric sheet as filterbellow pitching.

Sailen Kumar Sharma

NABA-BHUBANESWAR-JV

FIROJ ALI

PABAN BARUAH

MD JEHERUL HAQUE

Bhaba Kanta Nath