I/M for restoration of breach like damages at Bhatiapar on the dyke of Dikhow Bund L/Bank from A.T. Road to Namdang Outfall under SDRF for the year 2019-20 (Package 3)

Amount

Supply of ordinary labour inclusive all taxes.

Labour charge for clearing white ant nest from the embankment including digging earth,clearing white ant nest,applying anti termite chemical and carrying spoils to a safe distance anf filling the pits by fresh earth including ramming,watering etc. Complete as directed.

Supply of Anti termite (Dursban E.C.)

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 strenght (CD) ≥ 24 KN/m (ii) Tensile strenght (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 = 45 Lt/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 .

Supply of Geo Bags of Type-B (Size 2.00m x 1.50m)( pillow Type) inner dimension made of composite layers of geotextile 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) ≥ 250Gms/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 hrs Non 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 9 mm dia. Rope polypropylene gabion of size 2m x 2m x 0.45 m having rope weight of 42 gm/m and mesh opening 150 mm x 150 mm with tensile strength of 1560 kg.and having minimum weight of 6.20 kg/ per gabion ,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 should invariably be submitted against each batch of material)For Guwahati .

Labour charge for laying Geo fabric sheet as filter below pitching including anchoring and complete as directed.

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

Carriage of Geo bags of size 1.03 x 0.70m including loading ,unloading, stacking cost of P.O.L. etc. Complete and including hire charge of truck with driver and handyman complete as directed. (Distance to be calculated with respect to Guwahati)

Carriage of Geo bags of size 2.00 x 1.50 m including loading ,unloading, stacking cost of P.O.L. etc. Complete and including hire charge of truck with driver and handyman complete as directed. (Distance to be calculated with respect to Guwahati)

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

Carriage of Gabion box of size 2.0m x 2.0m x 0.45m including loading & unloading cost of P.O.L. etc. Complete and including hire charge of truck with driver and handyman complete as directed. (Distance to be calculated with respect to Guwahati)

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 90 m of the worksite, filling geo bags with sand having minimum weighing 126.00Kg and minimum volume 0.084 cum 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 150 m and laying properly as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) A) Without 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 90 m of the worksite, filling geo bags with sand having minimum weighing 126.00Kg and minimum volume 0.084 cum 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 150 m and laying properly as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) B) With Boat

Filling and laying of nonwoven Geo-textile bag of dimension 2.00m x 1.50m excluding excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the worksite, filling geobags with silt having minimum 0.612 cum after filling , double locking chain stitching the mouth of the filled bags with polypropylene 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. (Geo Bag and Polypropylene thread will be supplied by the department free of cost).With boat.

Filling and laying of polypropylene gabion boxes filled with silt filled Geo bags of size 2.0m X2.0m X 0.4m 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 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 150m and laying properly complete as directed. (Silt,Geo Bag , Gabion and Polypropylene thread will be supplied by the department free of cost) Without Boat,

Collection and Supply of river silt by truck carrige free from debries other forein material payment of forest royalty if any ( for initial lead beyond 1/2 km and up to 4.00km

Earth work in bank trimming to the designed section / slope including removing the soils at a safe distance etc. complete as directed.

Earth work in embankment by truck carriage In ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation and fllling in uniform layers not exceeding 22cm lhick including ploughing or roughening or benching the seats, removing all debries, breaking clods up to 2.5cm cube, dressing as per design section including payment of forest royalty if any, etc. complete as directed (10% deduction will be made from the section measured quantities of the completed and compacted on account of shrinkage) for initial lead beyond 1/2km and upto 4.00 km and for all lifts

Labour for ramming with cast iron rammer to proper compaction including watering if necessary, etc. complete as directed.ordinary soil

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

Supply of Serviceable empty cement bags

Labour charge for laying and pitching earth filled cement bags including excavation and borrowing earth, breaking clods, filling in bags and supplying and stitching the mouth with jute sutli, etc. complete as directed. (cement bags will be supplied by the department free of cost).For borrowing earth from a distance upto 30m.

Sri Sourav Lal Baruah

DEVA BARUAH

DILIP GOGOI

ANANTA SAIKIA

Dhiren Kalita