Immediate measures for closing of breach on R/B emabnakment of Pagladia river from G.K. Ali to N.T. Road crossing at Niz-Barsiral village under SDRF for 2020-21

Amount

Clearing light 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% of the area is covered by shrubs, trees etc).

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

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).

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 River silt by truck carriage free from 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).

Supply of Geo textile bags of type –A (1.03 × 0.70 m) made of Geo textile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fiber 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/m2 (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 = 45 Lt/m2/sec (xii) Seam strength = 80% of geo textile strength, Stitching of bag 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 m.(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. 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 invariable be submitted against each batch of material). Including carriage of Geo from to work site @Rs 2.17

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). (Distance = 60.00Km)

Supplying of Galved hexagonal wire netting sheets made of 8G wire of 152 mm (6”) square mesh in sheets of overall size 2.57 m × 1.66 m (8’-6” × 5’-6”) including 76mm projection on ieach wire on all sides beyond the net site (8' x 5') 2.5m x 1.5m having knots of 12 gauge at every joints including loading, unloading and stacking properly complete as directed by the Deptt. (Weight of each sheet should not be less than 6.30 kg.)

Carriage of wire netting sheets of size 2.57 X 1.66 m made of 8 G wire of 152mm Sq. mesh including loading & unloading , Stacking cost of P.O.L. ,etc. complete and including hire charge of truck with driver and handyman completed as directed.

Supply of sewing tread/yarn PPMF stitching thread (2000 Den) Kaplon including paymnet of taxes (inclusive of labour cess 1%)

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).

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)

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.

Labour charge for launching of PSC Porcupine including carriage of 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)

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).

SRI KAMINI KANTA BASUMATARY

SURAJIT ROY

HARESWAR BARO