RESTORATION OF NR DYKE PH II AT NEOLGAON AREA FROM FLOOD DEVASTATION OF RIVER BRAHMAPUTRA UNDER SOPD-FDR FOR THE YEAR 2019-20

Amount

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 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) ≥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 Bag are to be supplied of 100 numbers or part in abundle , properly packed with name of manufecture and batch number is to be marked on each bag with "WRD Govt Of ASSAM to be printed on each bag & mentioning properly the GSM & type of Geo- bag polymer. Test Certificate fro approved NABL accredite & ISO certified Laboratory should invariably be submitted against each batch of materials ) FOR GUWAHATI)

Carraige of Geo- bags of size 2.00 m x 1.50 m including loading & unloading, stacking cost of POL etc. Complete and including hire charge of truck with driver & handyman , Complete as directed ( Distance to be calculated with respect to For Guwahati).

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

Carraige of Geo- bag of size 1.03 m x 0.70 m including loading & unloading stacking cost of POL etc. Complete and including hire charge of truck with driver and handyman. Complete as directed. ( Distance will be calculated in respect to 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

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 completed as directed.(Distance to be calculated with respect to FOR Guwahati)

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

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

Filling and laying of nonwoven Geo-textile bag of dimension 2.00mx1.50m including excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with silt having minimum volume 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) a) with boat

Filling and laying of Geo bags of size 1.03m X 0.70m including excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with 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 150m and laying properly as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost)( at slope)

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 with tensile sreangth of 1560 Kg and having minimum wt of 6.20 kg per gabion. For Guwahati

Filling and laying of polypropylene gabion boxes 2.0m X2.0m X 0.4m filled with sand filled Geo bags of size 1.03m x 0.70 m excluding excavation of specified sand from flood plain or adjacent chars within a distance of 90m 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 150m and laying properly.( Geo Bag , gabion box and Polypropylene thread will be supplied by the department free of cost) a) without boat

Carriage of Gabion box of size 2.0mx2.0mx0.45m including loading & unloading, cost of P.O.L. etc. complete and including hire charge of truck with driver and handyman completed as directed.(Distance to be calculated with respect to FOR Guwahati)

Earth work in banktrimming to the designed section/ slope including removing the soils at a distance ,Complete as directed.

Construction of temporrary shed of two roof with mud plinth of 0.45 m height above ground level with Bhaluka bamboo post 1.5 m apart driven at atleast 0.75 m below ground and height above plint 2.5m. Split Jatti bamboo wall mud plastering white washing 2 coats, 10 cm thick touch roofing over bamboo rua frame pplacing at 0.15 m clear apart fitted with bamboo kamies from binding doors and windows with Bamboo Chattai strengthening with Bamboo frame binding with wire etc compple as directed. (Using Bhaluka Bamboo at the rate of 6.00 nos/ Rm & Jati Bamboo at the rate of 61.00nos / Rm)

Supply of R.C.C. Porcupine member of size 0.10m × 0.10m × 3.00m with cement concrete proportion 1 :2:4, reinforced by 4 Nos. of 8mm dia TMT bar. and 4mm dia (8G) wire stirrups at 15cm. C/C with 2 (two) nos of holes of 20mm dia at 50 cm inside from both sides in the same face and in the other face of member another 2 (two) nos. of holes of size 20mm dia at 65 cm inside from both ends including properly curing for 28 days and supply at specified stackyard complete as directed. NOTE: Consider sand = 0.0135 cum/member & stone = 0.027 cum/ member while calculating deduction on Forest Royalty

Carriage of Porcupine members by 40 HP Tractor -trailor including local carriage of porcupine members from stack yard to loading site up to a lead of 150m, loading , un loading at river bank near work site etc. complete as directed.(For lead beyond 150m and up to 2.00 Km and for all lift)

Carriage of porcupine menbers by machine boat of 40.00 Qntl capacity including local carraige of porcupine members from stack yard to loading site up to lead of 150 M loading , unloading at river bank near work site etc. Complete as directed ( for lead up to 5.00 Lm and for all lift)

Item : Labour charge for launching of R.C.C. / PSC Porcupine including carriage of R.C.C./ PSC porcupine members of size 0.10m × 0.10m × 3.00m from the stack yard 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 up to 150 m) a) with boat

Item : Labour charge for launching of R.C.C. / PSC Porcupine including carriage of R.C.C./ PSC porcupine members of size 0.10m × 0.10m × 3.00m from the stack yard 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 up to 150 m) b) without boat

SOMESWAR DAS