Immediate measures for restoration of Jhanji bund L/B from flood damages of river Jhanji from Ch. 15200m to 15500m under SDRF for 2019-20

Amount

Cutting bamboo , uprooting roots & stumpsincluding removing them from the site of work, etc.complete as directed

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 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).

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 : Woven Geo-textile for the outer cover. The woven geo textile is woven with UV resistant slit film tape fibre with MAVR values of the following properties. Geo-textile used to manufacture geo-textile bags should have high mechanical properties for enhanced durability along with enhanced puncture, abrasion and U.V. resistance characteristics. Geo-textile should be inert to biological degradation and resistant to naturally encountered chemicals, alkalis, and acids. ?? Weight (ISO-9864/ASTMD 5261) ≥300 Gms/Sqm. ?? Tensile strength(MD) ( ASTMD 4595) = ≥35 kN/m ?? Tensile strength(CD) ( ASTMD 4595) = ≥35 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 hrsNon woven Geo-textile for the inner layer It is needle punched non woven geo-textile made of 100% polypropylene staple fibers which are formed into a random network for dimensional stability. It should resist UV degradation, rotting and alkalis. ?? Weight (ISO-9864/ASTMD 5261) ≥250 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). FOR 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 shouldinvariably be submitted against each batch of material)FOR GUWAHATI

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

Filling and laying of Geo bags of size 1.03m X 0.70m including excavation of specified silt from flood plain oradjacent chars within a distance of 90m of the worksite, filling geo bags with silt having minimum weighing126.00 Kg and minimum volume 0.084 cum after filling,double locking chain stitching the mouth of the filledbagswithpolypropylene thread by power driven doublneedle double stitched machine, stacking the same inbatches of 100, carrying the same to the dumping siteincluding all handling charges and local carriage withina distance of 150m and laying properly as directed.(Geo Bag and Polypropylene thread will be supplied bythe department free of cost)

Filling and laying of nonwoven Geo-textile bag ofdimension 2.00mx1.50m including excavation ofspecified silt from flood plain or adjacent chars within adistance of 90m of the work site, filling geo bags withsilt, having minimum volume 0.612 cum afterfilling,double locking chain stitching the mouth of thefilled bags with polypropylene thread by power drivendouble needle machine, laying at proper site including all handling charges and local carriage within adistance of 100m complete as directed. (Geo Bag andPolypropylene thread will be supplied by thedepartment free of cost) i) With Boat

Filling and laying of nonwoven Geo-textile bag ofdimension 2.00mx1.50m including excavation ofspecified silt from flood plain or adjacent chars within adistance of 90m of the work site, filling geo bags withsilt, having minimum volume 0.612 cum afterfilling,double locking chain stitching the mouth of thefilled bags with polypropylene thread by power drivendouble needle machine, laying at proper site including all handling charges and local carriage within adistance of 100m complete as directed. (Geo Bag andPolypropylene thread will be supplied by thedepartment free of cost) ii) Without Boat

Labour charge for laying Geo fabric sheet as filter bellow pitching.

Supply of ordinary labour inclusive of all taxes.

Construction of temporrary shed of two roof with mudplinth of 0.45 m height above ground level with Bhalukabamboo post 1.5 m apart driven at atleast 0.75 m belowground and height above plint 2.5m. Split Jatti bamboowall mud plastering white washing 2 coats, 10 cm thicktouch roofing over bamboo rua frame pplacing at 0.15m clear apart fitted with bamboo kamies from bindingdoors and windows with Bamboo Chattai strengthening with Bamboo frame binding with wire etc compple asdirected. (Using Bhaluka Bamboo at the rate of 6.00nos/ Rm & Jati Bamboo at the rate of 61.00nos / Rm) Rate,As per SR of WRD 2018-2019 , [Sl no-6.36], Qty.= 2( 15.00mx 5.00m)=150.00 Sqm.

Carriage of Geo Bags of size1.03 x 0.70 m including loading & unloading , Stackingcost of P.O.L. ,etc. complete and including hire chargeoftruckwithdriverandhandymancompletedasdirected. (Distance to be calculated with respect to FORGuwahati)

Carriage of Geo Bags of size2.00 x 1.50 m including loading & unloading , Stackincost of P.O.L. ,etc. complete and including hire chargof truck with driver and handyman completed adirected..(Distance to be calculated with respect to FOR Guwahati)

Carriage of 300 gsm Geosheet of including loading & unloading , Stacking costof P.O.L. ,etc. complete and including hire charge oftruck with driver and handyman completed asdirected.(Distance to be calculated with respect to FOR Guwahati).

BITUPON DUTTA

GAGAN KALITA

Sri Sourav Lal Baruah