Immediate measures to T/Dyke along the R/B of river Buridehing from Deochalli hill to Tipling ghat (Ph-II) (At 9th and 10th Km, Bamungaon)for 2019-20 (Package No. 1)

Amount

Medium Jungles: Clearing medium jungles and trees upto 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)

Uprooting bamboo clumps where bamboo already removed including removing stumps to a distance as directed.

Cutting bamboo , uprooting roots & stumps including removing them from the site of work, etc. complete as directed.

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

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 (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 “W RD 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

Carriage of Geo bags of size 1.03 X 0.70 m 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)

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 “W RD 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)

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

"Supply of 9mm dia. Rope polypropylene gabion of size 2m X 2m X 0.45m having rope weight of 42gm/m and mesh opening 150mm X 150mm with tensile strength of 1560Kg and having minimum weight of 6.20Kg per gabion.FOR GUWAHATI

Carriage of Gabion box of size 2.0mX 2.0m X 0.45m 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)

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

Labour charge for laying Geo fabric sheet as filter below pitching i/c anchoring & complete as directed.

Filling and laying of Geo bags of size 1.03m X 0.70m including excavation of sand from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand 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) A) With Boat

Filling and laying of Geo bags of size 1.03m X 0.70m including excavation of sand from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand 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) B) Without Boat

Filling and laying of polypropylene gabion boxes filled with sand filled Geo bags of size 2.0m X 2.0m X 0.45m including excavation of 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, 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 150m and laying properly . (Geo Bag,Wire Netting Sheets and Polypropylene thread will be supplied by the department free of cost) Without Boat

Earth work in embankment by truck carriage in ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation and filling in uniform layers not exceeding 22cm. thick 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 1/2 Km. and upto 4.00 Km and for all lifts

UTTAM BORAH

SRI SUDIP KUMAR DAS

PRADIP DAS PRAN KRISHNA DEY-JV