Dhomdhoma Tamulpur road at Jartaluk village to G.K. Ali via Majusiral (Recast).

Earth work in excavation of drainage channel to the proper grade and slopes as required including disposing the excavated debris/soil to a safe distance of minimum 50 m distance, etc. complete as directed. For lead upto 50 m and all lifts Normal Soil

Supply of Geo-textile bags of Type-B (Size 2.00m x 1.50m), inner dimension 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) ≥250 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) ≥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).FOR GUWAHATI

Supply of Sewing thread/yarn PPNF pitching thread( 2000 ben. Kaplon) including payment of taxes.

Supply of Geo-textile bags of type-A (size 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 (iii) Mass ≥ 400.00 Gm/m ² (iv) CBR Puncture strength ≥ 4100 N/m2 (v) Elongation @ break (Warp) ≥ 54% (vi) Elongation @ break (Weft)≥ 52% (vii) Abrasion ≥ 70 % (viii) UV Resistance @ 500 hours ≥ 70% (ix) AOS ≤ 75 micron (x) Permittivity ≥ 1.25, (xi) Trapezoidal Tear Strength ≤ 520 N (xii) Permeability = 45Lt/m2/sec (xiii) 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). FOR GUWAHATI

Carriage of Geo bag of size 1.03x 0.70 m including loading & unloading stacking cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman completed as directed.(Distance=30km)

Carriage of Geo bag of size 2.00x 1.50m including loading & unloading stacking cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman completed as directed (Distance =30km)

Supply of non-woven Geo-textile fabric sheets of 300 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as per IS 16653: 2017 (i) Wide Tensile strength (MD) ≥15KN/m & Wide Tensile strength (CD) ≥15KN/m (ii) Elongation (MD) ≥50% & Elongation (CD) ≥50% (iii) Abrasion ≥95% (iv) Trapezoidal Tear Strength (MD) ≥340 N & Trapezoidal Tear Strength (CD) ≥340 N (v) CBR Puncture strength ≥3000 N (vi) Permittivity ≥1.25 s-1 (vii)Permeability ≥60l/m2/sec (viii)AOS ≤75micron (ix)UV Resistance @500 hours retained Tensile strength (MD) & (CD) ≥80% (x) Mass ≥ 300gm/m² (xi)Thickness at 2KPa ≥3mm. (Each Roll of Geo Fabric Sheet should be supplied in properly packed Bundles and should be marked with the Name of Manufacturer, Batch Number & its dimensions clearly on each roll 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).

Carriage of 300 gsm Geo sheet of including loading & unloading, stacking cost of P.O.L. etc.complete and including hire charge of truck with driver and handyman, etc. completed as directed. (Distance to be calculated from Guwahati)(Distance=30km)

Labour charge for laying Geo fabric sheet as filter bellow pitching including carrying, lapping, wrapping & stitching as directed by the Engineer-in-Charge.

Construction and supply of Wire -netting box of size 1.50 m × 1.50 m × 0.45 m 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 10 × 12 as per EN 10223 & ASTM A975, mesh wire of 2.70 mm (I.D) /3.70 mm (OD) tensile strength of 450-500/mm2, edge wire selvedge around it at least 2.5 times, lacing wire (zinc PVC coated ) of 2.20mm (I.D) /3.20mm (OD), VC coating thickness of 0.50mm nominal, 0.38 mm minimum, Mesh opening size 150mm × 150mm 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 zinc coated steel wire of required length as directed, complying with ASTM and European norms.