Protection to Jhanji bund Right Bank from A.T. Road to Tamulichiga P.W.D. Road at Bamungaon from the erosion of river Jhanji including R/S works from Ch. 3000m to Ch. 3750m.

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)

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

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

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

Supply of Anti termite (Dursban E.C.)

Labour charge for clearing white ant nest from the embankment including digging earth , clearing white ant nest, applying anti termite chemical and carrying spoils to a safe distance and filling the pits by fresh earth including ramming, watering etc. Complete as directed.

Supply of ordinary labour inclusive of all taxes

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 debris, 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 up to 4.00 km and for all lifts.

Labour for ramming with cast iron rammer to proper compaction including watering if necessary, etc. complete as directed. Ordinary soil

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 (1.03X0.70M) inner dimension made of Geo-textile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fibre with having thickness not less than 3.00mm with minimum properties as (i) Tensile strength(CD) ≥ 24 KN/m (ii) Tensile strength(MD)≥ 22 KN (iii)Mass ≥ 400.00 Gm/m ² (iv) CBR Puncture strength ≥ 4100 N/m2 (v) Elongation @ break (Warp) ≥ 54% (vi) Elongation @ break (Weft)≥ 52% (vii) Abrasion ≥ 70 % (viii) UV Resistance @ 500 hours ≥ 70% (ix) AOS ≤ 75 micron (x) Permittivity ≥ 1.25, (xi) Trapezoidal Tear Strength ≤ 520 N (xii) Permeability = 45Lt m 2/sec (xiii) 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 “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 invariably be submitted against each batch of material).

Supply of Geo Bags Type-B (Size 2.00m x 1.50m)inner dimension made of composite layers of geo-textile as per specifications 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 to naturally 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% Grab Elongation ( ASTMD 4632)= ≥5% & ≤ 30% Tensile strength(MD) ( ASTMD 4632) = ≥1.5 kN/m 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 are formed 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 Elongation (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 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 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).

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

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)

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

Carriage of Geo bags of size 1.03 x 0.70m including loading ,unloading, stacking cost of P.O.L. etc. Complete and including hire charge of truck with driver and handyman complete as directed. (Distance to be calculated with respect to FOR Guwahati)

Carriage of Geo bags of size 2.00 x 1.50 m including loading ,unloading, stacking cost of P.O.L. etc. Complete and including hire charge of truck with driver and handyman complete as directed. (Distance to be calculated with respect to FOR Guwahati)

Carriage of 300 gsm Geo sheet including loading ,unloading, stacking cost of P.O.L. etc. Complete and including hire charge of truck with driver and handyman complete as directed. (Distance to be calculated with respect to FOR Guwahati)

Carriage of Gabion box of size 2.0m x 2.0m x 0.45m including loading & unloading cost of P.O.L. etc. Complete and including hire charge of truck with driver and handyman complete as directed. (Distance to be calculated with respect to FOR Guwahati)

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 sand 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 as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) With 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 sand 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 as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) Without boat

Filling and laying of nonwoven Geo-textile bag of dimension 2.00mx1.50m 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 volume 0.612 cum after filling, double locking chain stitching the mouth of the filled bags with polypropylene thread by power driven double needle machine, laying at proper site including all handling charges and local carriage within a distance of 100m complete as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost) With boat

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 up to 4.00

Filling and laying of polypropylene gabion boxes filled with silt filled Geo bags of size 2.0m X2.0m X 0.45m excluding excavation of specified silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with silt 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 complete as directed. (Geo Bag , Wire Netting Sheets and Polypropylene thread will be supplied by the department free of cost) Without Boat

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

Supply of Serviceable empty cement bags

Labour charge for laying and pitching earth filled cement bags including excavation and borrowing earth, breaking clods, filling in bags and supplying and stitching the mouth with jute sutli, etc. complete as directed. (cement bags will be supplied by the department free of cost). For borrowing earth from a distance beyond 30m. & up to 60m.

Collection and supply of broken stone metal of size 13 mm. to 38 mm in average free from dust, dirt and other foreign materials including local carriage and stacking in regular measurable stacks of approximate 1(one) m. height at stack yard, payment of forest royalty, etc. complete as directed

Labour charge for making filter bed of required thickness with stone metal of size 13mm to 38mm over the trimmed surface of river bank/embankment., slope, including site carriage of metal within a distance of 150m etc. complete as directed.

Earth work in filling by mechanical means including ramming means by deploying hydraulic excavator and trippers etc. with locally available ordinary soil excluding rocky soil with all lead and lift, transporting to site, spreading, dressing as per design section including ploughing or roughening or benching benching the seats, removing all debris, breaking clods up to 2.5cm cube, 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)

Supply of locally available wooden Pile.

Labour charge for driving of locally available wooden pile by monkey drive equipment to maximum depth of 6.00m including clearing, redoxide primer.

Supplying, fitting and fixing in position R.C.C. boundary pillars of size 150mm x 150mm x 1500mm long, 750mm above ground and 750mm below ground, including square base of 450mm x 450mm x 150mm with 4nos. 12mm MS rods main reinforcement and 6mm MS stirrups at 300mm centers tied in position with annealed binding wire, cement concrete propotion 1:2:4 with broken stone aggregate up to 20mm size including cantering moulding the top, curing, 6mm thick cement plastering in proportion 1 :3 painted black and white alternately in 230mm strips up to 750mm from the top keeping necessary grooves etc. as per design and direction complete.

Collection and Supply of Sand gravel from approved quarry containing 60% sand & 40% gravels free from debris and other foreign materials i / c payment of forest royalty, sales tax etc. and carriage to work site from quarry and loading, unloading and stacking in regular measurable stacks at work site/ stacking yard 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.

Item No. 3.18/305 Construction of Subgrade and Earthen Shoulders (Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts & leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of table (300-2) ( including compensation of earth.)(a), ( Including cost of testing of materials at site and laboratory as directed by the deptt.) (a) From private land

Item No. 4.2/401 (i) Granular Sub-Base with Coarse Graded Material ( Table:- 400- 2) (Construction of granular sub-base by providing coarse graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC,and compacting with vibratory roller to achieve the desired density,complete as per cl. 401( with an initial lead of 5 Km.)

Item No. 4.9/404 Water Bound Macadam (Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with vibratory roller 8-10 tonnes in stages to proper grade and camber, applying and brooming requisite type of screening/binding material to fillup the interstices of coarse aggregate,watering and compacting to the reqd. density . A. By manual means, (III) Grading-III, (b) UUsing Screening Type-B (11.2mm Agg.)

Item 17.67 Providing and laying interlocking concrete block pavement including carriage having thickness (Excluding Edge restrain) (a)80mm as per IS 15658 2006 (Compressive strength 40N/mm sq.

Item 17.67 Providing and laying Edge block/ Edge restraints 300mm x 300mm of (C.C.) M 40 Grade including carriage as per Technical specification clause 1504

Utpal Gogoi