Immediate measures for restoration of Amguri area by flood damages of river Doyang under SDRF for the year 2019-20

Amount

Light Jungles : Clearing light jungles and trees up to 15 cm. girth including cutting, uprooting roots and stumps and removing them from the site of work etc. complete as directed .(30% of the area is covered by shurbs, trees etc.)

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

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 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),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 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).

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).

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

Filling and laying of nonwoven Geo-textile Bag of dimension 2.00m x 1.50m 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). 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 chores within a distance of 90 m of the work site filling Geo Bags with sand weighing 126.00kg and minimum volume 0.084 cum after filling double locking chain stretching the mouth of the filled bags with polypropylene thread by power driven double needle double stiched 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). without boat

Carriage of Geo Bags of size 2.00m x1.50 m including loading & unloading, stacking cost of P.O.L. , etc.complete and including hire charge of truck with driver and handymen completed as directed.

Carriage of Geo Bags of size 1.03 m x0.70 m including loading & unloading, stacking cost of P.O.L. , etc.complete and including hire charge of truck with driver and handymen completed as directed.

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 handymen completed as directed.

Carriage of of porcupine members by machine boat of 40.00 Qtl. Capacity including local carriage of porcupine members from stackyard to loading site up to a lead of 150m loading, unloading at river bank near worksite etc. complete as directed.(For lead beyond 150m and up to 2.00 km and for all lift.).

Supply of R.C.C. porcupine member of size 0.10mx0.10mx3.00m with cement concrete proportion 1:2:4 , reinforced by 4 nos of 8mm dia TMT bar and 4mm dia (8G) wire stirrups at 15 cm 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 65cm inside from both ends including properly curing for 28 days and supply at specified stackyard complete as directed.

Labour charge for launching of R.C.C. porcupine including carriage of R.C.C. porcupine members of size 0.10m x 0.10m x 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 150m). a). With Boat :

Labour charge for launching of R.C.C. porcupine including carriage of R.C.C. porcupine members of size 0.10m x 0.10m x 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 150m). b). Without Boat:

Supply of ordinary Labour inclusive of all taxes.

Construction of temporary shed ( two roofed ) with mud plinth of 0.45 height above G.L.with bhaluka bamboo posts1.5 m apart driven at least 0.75 m below ground and height above plinth 2.40 m split jati bamboo walls mud plastering , whit washing two coats, 10 cm thick thatch roofing over bamboo rua frame placing at 0.15 m clear apart fitted with bamboo kamies frame doors and windows with dhara mat strengthen with bamboo frame binding with wire etc. complete as directed.

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

M/S STAR CONSTRUCTIONS

Deben Rajkhuwa