Immediate measures to avert flood devastation at different reaches of river Bhogdoi (At Godadhar bridge area, Kotonibari, Kothalguri, Moriani Town area) under SDRF for the year 2019-20

Amount

Medium Jungles : Clearing medium jungles and trees up to 15 cm. girth including cutting, uprooting roots and stumps, removing them from the site of the work,etc. complete as directed. ( When 30% to 60 % of the area is covered by shrubs, trees etc)

Supply of Geo-textile bags of type-A (1.03X0.70M) made of Geo-textile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fibre having thicknessnot 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 theedge @ 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” tobe 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- textile bags of type-B (2.00 m x 1.50 m )inner dimension made of composite layers of geo-textile as per specification 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 tonaturally 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% 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 areformed 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) = 1.5kN UV resistance (ASTMD 4355) = 70%/500 hrs (Bags are to be supplied of 100 numbers or part on a bundle , properly packed with the Name of Manufacturer & Batch Number is to be marked on each bag "WRD Govt of ASSAM” to be printed on it and mentioning properly the GSM and types 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

" Supplying and laying 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

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

Filling and laying of Geo bags of size 1.03m X 0.70m including excavation of specified silt from flood plain oradjacent chars within a distance of 90m of the worksite, filling geo bags with silt having minimum weighing126.00 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 with in a distance of 150m and laying properly as directed.(Geo Bag and Polypropylene thread will be supplied bythe department free of cost) (Without Boat)

Filling and laying of non woven Geo - textile bag of dimension 2.00 m X 1.50 m 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 poly-polypropylene thread by power driven double needle machine , laying at proper site including stacking all handling charges and local carriage within a distance of 100 m complete as directed ( Geo- bag and polypropylene thread will be supplied by the Deptt. Free of Cost ) ( With Boat )

Filling and laying of non woven Geo - textile bag of dimension 2.00 m X 1.50 m 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 poly-polypropylene thread by power driven double needle machine , laying at proper site including stacking all handling charges and local carriage within a distance of 100 m complete as directed ( Geo- bag and polypropylene thread will be supplied by the Deptt. Free of Cost ) ( Without Boat )

Labour charge for laying geo-febric Sheet as filtered below pitching including anchoring and complete as directed.

Excavation of drainage channel to the proper grade and slope as required including deposing the excavated debris/spoils to a safe distance of beyond 100m distance as directed. Wet & sticky soil for lead up to 30m and all lifts.

Supply of serviceable empty cement bags (Standerd size ) including payment of all Taxes.

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

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

Carriage of Geo Bags of size2.00 x 1.50 m including loading & unloading , Stacking cost of P.O.L. ,etc. complete and including hire chargeof truck with driver and handyman completed as directed.(Distance to be calculated with respect to FOR Guwahati) Total distance from Guwahati to work site = 320 Km Rate = 320 X 0.11 = Rs. 35.20/Sqm./Km.

Carriage of Geo Bags of size1.03 x 0.70 m including loading & unloading , Stackincost of P.O.L. ,etc. complete and including hire chargof truck with driver and handyman completed adirected..(Distance to be calculated with respect to FOR Guwahati) Total distance from Guwahati to work site = 320 Km Rate = 320 X 0.013 = Rs. 4.16/Sqm./Km.

Carriage of 300 gsm Geosheet of including loading & unloading , Stacking costof P.O.L. ,etc. complete and including hire charge oftruck with driver and handyman completed asdirected.(Distance to be calculated with respect to FOR Guwahati) Total distance from Guwahati to work site = 320 Km Rate = 320 X 0.013 = Rs. 4.16/Sqm./Km.

Construction of temporrary shed of two roof with mudplinth of 0.45 m height above ground level with Bhalukabamboo post 1.5 m apart driven at atleast 0.75 m belowground and height above plint 2.5m. Split Jatti bamboowall mud plastering white washing 2 coats, 10 cm thicktouch roofing over bamboo rua frame pplacing at 0.15m clear apart fitted with bamboo kamies from bindingdoors and windows with Bamboo Chattai strengtheningwith Bamboo frame binding with wire etc compple asdirected. (Using Bhaluka Bamboo at the rate of 6.00nos/ Rm & Jati Bamboo at the rate of 61.00nos / Rm)

Supply of ordinary labour inclusive all taxes.

PRAJIB DUTTA

GAGAN KALITA

M/S STAR CONSTRUCTIONS