Restoration of damages of Border road and Indo-Bangladesh border fencing at Binnachara area from flooding of river Gangadhar under SOPD (FDR).

Amount

Felling trees including uprooting roots and stumps upto 50 cm. below ground, cutting into pieces and removing the same from the site of work as directed. (Trees above 0.50m upto 1m girth)

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

Supply of geo textile bag of type-A (size 1.03 x 0.70 m), inner dimention made of geo-textile non woven fabrick 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) ≥ 24Kn/m (ii) Tensile strength (MD )≥ 22Kn/m (iii) Mass ≥ 400.00 Gm/m2 (iv) CBR Puncture strength ≥ 4100 N/m2 (v) Elongation @ break (wrap) ≥ 54% (vi) Elongation @ break (weft) ≥ 52% (vii) Abresion ≥ 70% (viii) UV resistance @500 hours ≥70% (ix) AOS ≤75 micron (x) Permiability ≥1.25 (xi) Trapezoidal tear strength ≤520 N (xii) Permiability = 45Lt/m2/sec (xiii)Seam strength = 80% of geo textiles strength. Stitching of bag should be Ring spun Yarnstitched with 2500-3000 denier double line chain stitch with overlap with stitches along the sdge @ minimum 15 stitches per 100 mm. (Bags are to be supplied of 100 numbers or part in bundle , properly packed with name of Manufacturur 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 inveriably be submitted against each batch of material)

Supply of Sewing thread/ Yam PPMF stitching thread (2000 Den. Kaplon including payment of taxes.

Supply of galvd. Wire netting sheets made of 8G wire of 152mm (6") square mesh in sheets of overall size 2.57m x 1.66m including 75mm projection of each wire on all sides beyond the net size of 2.42m x 1.31m having knots of 12G wire at every joints including loading, unloading, stacking properly complete as directed by the department.(weight of each sheet should not be less than 6.30 kg)

Supply of non-woven geo textile fabric sheets 300 GSM manufactured from 100 % vergin Polypropyline (PP) fibre with minimum properties as (i) Tensile strength ≥ 12 KN/m (ii) Mass ≥ 300.00 Gm/m2 (ii) CBR Puncture Strength ≥ 3.5 KN (iv) Elongation @ break ≥ 60% (v) Abresion ≥ 70% (vi) UV resistance @500 hours ≥ 70% (vii) AOS ≤75 micron (ix) Permiability ≥1.25 (x) Trapezoidal tear strength ≤ 340 N (xi) Permiability = 2.00 x 10 ̄ ³ m/sec (xii)Seam strength = 80% of geo textiles strength. Stitching of bag should be Ring spun Yarn stitched 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 Manufacture and 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 inveriably be submitted against each batch of material)

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. (Without Boat)

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.

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

Collection and supply of River silt by truck carriage free fro debries and other foreign material payment of forest royalty if any, etc.(For initial Lead beyond 1/2 Km and upto 4.00 km for all lifts.)

Filling and laying of Geo bags of size 1.03m X 0.70m excluding excavation of 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. (Silt, Geo Bag and Polypropylene thread will be supplied by the department free of cost). Without Boat

Filling and laying of Geo bags of size 1.03m X 0.70m excluding excavation of 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. (Silt, Geo Bag and Polypropylene thread will be supplied by the department free of cost). With Boat

Filling and laying in cage with silt filled Geo bags of size 1.03m X 0.70m excluding excavation of 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 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. in cages made of wire netting sheets of size 2.57x1.66m of 8G galvanized wire making the cage from 2 nos. of wire netting sheet by tying the projected wires complete as directed. (Silt, Geo Bag, Wire Netting Sheets and Polypropylene thread will be supplied by the department free of cost). Without Boat

Supply of Pre stressed Cement Concrete (PSC) Porcupine members of size 0.10m X 0.10mX 3.00m with M-40 grade of cement concrete with graded broken course aggregates up to 12mm size down and reinforced with 4 Nos. of 4 mm dia high tensile steel wire cable at four corners with necessary cover and 4mm high tensile stirrups at 250mm C/C, in conformity with IS-6403 and stressed to required strength not exceeding 9.18 N/mm, holes of 16 mm dia at 50 cm inside from both ends in the same face and in either face of post another 2 Nos. of holes of size 16 mm dia at 65mm inside from both ends including properly curing for 14 (fourteen) days and carriage of porcupine members from factory to the stack yard within a distance up to 100 Km complete as directed.

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 2 KM and up to 5.00 Km and for all lift).

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. Launching without boat.

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. Launching by 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 ½ Km and up to 4.00 Km and for all lifts

Compacting Original Ground (i)Compacting Original Ground supporting embankment Loosening , levelling and compacting original ground supporting embankment to facilitate first layer of embankment ,scarified to a depth of 150 mm , mixed with water OMC and then compacted by rolling so as to achieve minimum dry density as given in Table 300.1 and 300 .2 for embankment construction as per Techinical Specification Clause 301.4.1

Turfing with grass sods of largest possible rectangles of 12 cm. minimum thickness placed closely including dressing earth pagging with Jati bamboo split, watering till the grass grows for a lead up to 90m and all lifts.

Collection and supply of sand gravel from approved quarry containing 60% sand and 40% gravel free disintegrated and flaky pieces of vegetation and other deleterious matters,adherent coating etc. including stacking in suitable stacks at quarry site and payment of forest roylity etc. complete as directed .

Labour charge for laying of soling stone, brick bats, broken stone metal, sand gravel etc. on approach road including ramming dressing the seat and local carriage of materials up to a distance of 60 m complete as directed.

M/S ZED ENGINEERS-ARIFUDDIN AHMED JV

Akhil Kumar Jain

Surajit Roy Rinay Kr Brahma-JV

SONTOSH SAHA