Construction of Boundary Wall with Slope protection from soil erosion from the river Titu that runs through the Boundary of EMRS, Kharadhara, Barpeta.

CONSTRUCTION OF BOUNDARY WALL , EMRS, KHARADARA, BARPETA

Earthwork in bank trimming to the designed section /slope by manual means including removing the trimmed soils at a safe distance of 30 M, complete as directed. (Onty, as per statement no. 1)

Earthwork in excavation of drainage channel to the proper grade and slopes as required including disposing the excavated debris/soil to a safe distanceof minimum 50m distance,ect. Complete as directed.For lead upto 50m and all lifts (1) Normal soil

Supply of Geo-textile bags of type-A (1.03 × 0.70 m) inner to inner made of Geo-textile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as per IS 16653:2017 i. Wide Tensile strength (MD) ≥ 20KN/m & Wide Tensile strength(CD) ≥20 KN/m ii.Elongation (MD) ≥50% & Elongation (CD) ≥ 50% їїі.Puncture strength ≥ 4000N vi. Permittivity ≥ 1.10s - 1 vii. Permeability ≥ 401/m2 /sec viii. AOS ≤ 75 micron ix.UV Resistance @ 500 hours retained Tensile strength(MD) & (CD) ≥ 80% x. Mass ≥ 400 gm/m xi. Thickness at 2KPa ≥ 3 mm xii. Seam strength ≥ 80% of actual fabric 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 in a bundle, properly packed with each bag having proper tag with name of Manufacturer, Batch Number, the GSM and type of polymer encrypted and stitched on top corner and each bag is to be marked with "WRD Govt. of ASSAM" to be printed distinctly. Test Certificate from approved NABL accredited and ISO (Certified Laboratory should invariably be submitted against each batch of material) - Statement 1

Supply of Sewing Thread/Yarn PPMF Stitching Thread(2000 Den. Kaplon) i/c payment of taxes (Statement 1)

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: * Wide Tensile strength (MD) ≥ 15kN/m & Wide Tensile strength (CD) ≥ 15kN/m • Elongation (MD) ≥ 50% & Elongation (CD) ≥ 50% • Abrasion ≥ 95% • Trapezoidal Tear Strength (MD) ≥ 340 N & Trapezoidal Tear Strength (CD) ≥ 340 N • CBR Puncture strength ≥ 3000 N • Permittivity ≥ 1.25 s-1 • Permeability ≥ 60l/m2/sec * AOS ≤ 75micron • UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80% • Mass ≥ 300gm/m'. Thickness at 2KPa ≥ 3 mm. (Each Roll of Geo Fabric Sheet should be supplied in properly packed Bundles and should be marked with theName 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). Statement 1

Supply of Rope Polypropylene (PP) Gabion of size 2 m x 2 m x 0.45 m having the following properties i. Mesh opening size 150 mm x 150 mm ii. Rope Diameter of 9.0 mm iii. Linear Density of rope ≥ 65.1 gm/m iv. Tensile Strength ≥ 1900 Kg v. Abrasion Resistance of rope after 1000 cycles ≥ 65% vi. CBR Puncture Strength ≥ 7000 Kg.; Statement 1

Carriage of Geo Bags of size 1.03 x 0.70 m including loading & unloading, stacking, etc. complete and including hire charge of truck with driver and handyman cost of POL etc. completed as directed. (Distance to be calculated from Guwahati to work sites) Distance =10 KM x 0.014 = 0.14. Statement 1

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 to work sites) (Distance = 10 KM x 0.013 = 0.13. Statement 1

Carriage of Gabion box of size 2.0 m x 2.0 m x 0.45 m including loading & unloading, 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 to work sites) Distance = 10 KM x 0.115 = 1.15. Statement 1

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

Filling and laying of Geo bags of size 1.03 m x 0.70 m including excavation of sand/silt of size more than 80 micron from flood plain or adjacent chars within a distance of 90 m of the work site, filling geo bags with sand/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 150 m and laying properly as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) (i) Without Boat. Statement 1

Filling and laying of polypropylene gabion boxes of size 2.0 m x 2.0 m x 0.45 m filled with sand/silt filled Geo bags of size 1.03 m x 0.70 m including excavation of sand/silt from flood plain or adjacent chars within a distance of 90 m of the work site, filling geo bags with sand weighing 126.00 Kg 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 or part as directed carrying the same to the dumping site including all handling charges and local carriage within a distance of 150 m and laying properly. (Geo Bag, gabion box and Polypropylene thread will be supplied by the department free of cost) (i) without boat. Statement 1

Supply of Pre stressed Cement Concrete (PSC) Porcupine members of size 0.10 m x 0.10 m x 3.00 m with M - 30 grade of cement concrete conforming to IS1343:2012 using super-plasticizer @1.2 lit/bag of cement with graded broken coarse aggregates up to 20mm size down conforming to IS 10262:2009 & IS456:2000 and reinforced with 4 nos. of 4 mm dia. High tensile steel wire cable/strand with necessary cover and 4 mm high tensile stirrups at 250 mm C/C, in conformity with IS-6403:R2002 and stressed to required strength not exceeding 9.18 N/mm, holes of 16 mm dia. at 50 cm inside from both ends in the same face and in either face of post another 2 nos. of holes of size 16 mm dia. at 65 mm inside from both ends including properly curing for 21 (Twenty one) days and carriage of porcupine members from factory to the stack yard within a distance up to 50 Km including loading, unloading & stacking complete as directed.

Carriage of PSC porcupine members of size 0.10 m x 0.10 m x 3.00 m from Stack yard to Work Site including loading, unloading & stacking

Labour charge for launching of PSC Porcupine including carriage of PSC porcupine members of size 0.10 m x 0.10 m x 3.00 m from the stack vard to the place of launching, erection of the Porcupine with 6 (Six) members properly, supply & fitting/fixing with 12 mm dia. 25 Cm long M.S. Nuts and bolts and launching the porcupine properly as directed. (Lead upto 150 m) (Without boat)

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