I/M for recoupment breach like damages at Huramara from ch 3400.00m to 3900.00m of Sidalsuti to Merrerchar WRD embankment of river Aie on its R/B under SDRF for 2020-21. RETENDER

Amount

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

Earth work in embankment by Tractor-trailer carriage in locally available ordinary soil excluding rocky soil free from roots & vegetation and filling in uniform layers not exceeding 22 cm. thick including ploughing or roughening or benching the seats, removing all debries, breaking clods up to 2.5 cm 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 earth work on account of shrinkage)

Earth work in bank trimming to the designed section /slope including removing the soils at a safe distance.

Item No.4: Supply of Pre stressed cement concrete (PSC) Porcupine members of size 0.10m x 0.10m x 3.00m with M-40 grade of cement concrete with graded broken coarse aggregates upto 12mm size down and reinforced with 4 nos. of 4mm 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 16mm dia at 65 mm inside from both ends including properly curing for 14 days and carriage of porcupine members from factory to the departmental stack yard within a distance upto 100 Km complete as directed.

Carriage of porcupine members by 40 HP Tractor-Tailor including localcarriage of porcupine members from stack yard to loading side upto a lead of 150m loading, unloading at river bank near workside etc. complete as directed(F or lead beond 150m and upto2.00km and for all lead).

Lab charge for launching of RCC 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 members properly, supply & fitting / fixing with 12 mm dia, 25cm long M.S Nuts and bolts and Launching the porcupine properly as directed (Lead upto 150 m). (a) Without Boat

Lab charge for launching of RCC 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 members properly, supply & fitting / fixing with 12 mm dia, 25cm long M.S Nuts and bolts and Launching the porcupine properly as directed (Lead upto 150 m). (b) With boat

Supply of Geo-textile bags of type-A (1.03X0.70M) made of Geotextile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as (i) Tensile strength ≥ 12.4 KN/m (ii) Mass ≥ 400.00 Gm/m ² (iii)CBR Puncture strength ≥ 1550 N/m2 (iv) Elongation @ break (Warp) ≥ 54% (v) Elongation @ break (Weft)≥ 52% (vi) Abrasion ≥70 % (vii) UV Resistance @ 500 hours ≥ 70% (viii) AOS ≤ 75micron (ix) Permittivity ≥ 1.25, (x) Trapezoidal Tear Strength ≤ 340N (xi) Permeability = 2.00 x 10 ̄ ³ m/sec (xii) Seam strength = 80 %of geotextiles 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 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 erinted 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 Jamdoha ) Dist from Guwahati=170Km @ Rs.0.013bag/Km)

Filling and laying of Geo bags of size 1.03m X 0.70m including excavation of specified 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 and volume of 0.084 cum after filling ,double locking chain stitching the mouth of the filled bags with polypropylene or polyeste thread by power driven double needle 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) Without Boat

Filling and laying of Geo bags of size 1.03m X 0.70m including excavation of specified 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 and volume of 0.084 cum after filling ,double locking chain stitching the mouth of the filled bags with polypropylene or polyeste thread by power driven double needle 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)With Boat

Supply of 9 mm dia. Rope polypropylene gabion of size 2m x 2m x0.45 m having rope weight of 42 gm/m and mesh opening 150 mm x150 mm with tensile strength of 1560 kg.FOR Guwahati.

Carriage of Gabion box of size 2.0mx2.0mx0.45m including loading & unloading, 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 Huramara ) Dist from Guwahati=190Km @ Rs.0.132No./Km)

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)(a)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) (b)With Boat

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) 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 Huramara ) Dist from Guwahati=190Km @ Rs.0.013Sq.m./Km)

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

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

Construction of whole Bholuka Bamboo Screen with matured Bholuka Bamboo stacks 75mm to 100mm dia, placed at 30 cm clear apart( i.e. 40 cm C/C) driven 4.00 m to 4.50m below ground and 3.0m to 3.50m above ground with hydraulic driving equipments including hire charge of equipment, cost of P.O.L. etc. and providing with 1 (one) row of horizontal half Jati bamboo kamies tied with galvanized wire of 16 G to 18 G etc complete as directed.(Using Bhaluka Bamboo at the rate of 240.00 nos/ Rm & Jati Bamboo at the rate of 9.60 nos / Rm)