Raising and strengthening of Darika bund left bank from Bahgarh to AT road including anti-erosion measures at different reaches (Ph- II).

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.

Earth work in embankment by Mechanical means by truck carriage with locally available ordinary/normal soil excluding sandy and rocky soil free from roots & vegetation and filling in uniform layers not exceeding 25 cm thick including ploughing or roughening or benching the seats, removing all debries, breaking clods up to 4cm cube, dressing as per design section and compaction in layers not exceeding 30 cm in thickness and core cutter soil test at every layer and every 500m distance, etc. complete as directed. B. Compaction with vibratory roller of 80-100 kN capacity 1. For initial lead upto 1 km for all lifts.

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

Construction of temporary shed of two roof with mud plinth of 0.45 m height above ground level with Bhaluka bamboo post 1.5 m apart, driven at least 0.75 m below ground and height above plinth of 2.5 m. Split Jatti bamboo/tarza wall 10 cm thick touch roofing over bamboo rua frame, placing at 0.15 m clear apart, fitted with bamboo kamies from binding doors and windows with Bamboo Chattai,strengthening with Bamboo frame binding with wire,roofing with TATA Shaktee roofing sheets etc., complete as directed. (Using Bhaluka Bamboo at the rate of 6.00 nos./Rm & Jati Bamboo at the rate of 61.00 nos./Rm)

Supplying, fitting and fixing RCC guard post 150cm long erected 75cm above the ground and 75cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to20mm size) of cement concrete and required reinforcement tied in position with annealed black wire including centering, moulding the top, curing including painting concrete surfaces in 23cm strips upto 0.75m from the top alternately in black and white and having 2 nos. reflectiveband of desired shade etc. complete as per design and as directed. 16.28(b).15 cm dia. RCC guard post with reinforcement of 4nos. 12mm dia TMT main steel bars and 6mm TMT/ MS stirrups at 15cm c/c

Earthwork in bank trimming to the designed section /slope by mechanical means including removing the trimmed soils to a minimum distance of 30 m, complete as directed.

Earth work in excavation of drainage channel by mechanical means to the proper grade and slopes as required including disposing the excavated debris/soil to a safe distance of minimum 50 m distance, etc. complete as directed. For lead up to 50 m and all lifts (Normal soil)

Supply of Geo-textile bags of type-A (1.03X0.70M), inner to inner made of Geo-textile non-woven fabric sheets of 400 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as per IS 16653:2017 (i)Wide Tensile strength(MD) ≥ 20 KN/m & Wide Tensile strength (CD) ≥ 20KN/m (ii) Elongation (MD) ≥ 50% & Elongation (CD) ≥ 50% (iii) Abrasion ≥ 95 % (iv) Trapezoidal Tear Strength (MD) ≥450 N & Trapezoidal Tear Strength (CD) ≥450 N (v) CBR Puncture strength ≥ 4000 N (vi)Permittivity ≥ 1.10 s-1 (vii) Permeability ≥ 40 l/m2/sec (viii) AOS ≤ 75 micron (ix) UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80 % (x) Mass ≥ 400.00 Gm/m² (xi) Thickness at 2KPa ≥ 3mm(xiii) Seam strength ≥ 80 % of actual fabric 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 in a bundle, properly packed with each bag having proper tag with name of Manufacturer, Batch Number, the GSM and type of polymer encrypted and stitched on top corner and each bag is to be marked with “WRD Govt. of ASSAM” to be printed distinctly. 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 to inner)( pillow Type) made of composite layers of Polypropylene (PP) fibre as per IS 16653 : 2017 for Nonwoven and IS 16654 : 2017 for Woven: Woven Geo-textile for the outer cover(300gsm): The woven geo textile is woven with multifilament woven fabric manufactured from ultra violet stabilized polypropylene. Geo-Textile used to manufacture geo-textile bags should have high mechanical properties for enhanced durability along with enhanced puncture, abrasion and UV resistance characteristics.Geo-textile should be inert to biological degradation and resistant to naturally encountered chemicals, alkalis, and acids. Properties.(i) Tensile Strenght(MD) ≥ 80 KN/m and Tensile Strenght (CD) ≥ 70 KN/m (ii) Elongation (MD) ≤ 25% & Elongation (CD) ≤ 25% (iii) Abrasion ≥ 75 % (iv) Trapezoidal Tear Strength(MD) ≥ 1500 N & Trapezoidal Tear Strength(CD) ≥ 1300 N (v) CBR Puncture strength ≥ 900 N , (vi) Permeability ≥ 18 l/m2/sec (vii) AOS ≤ 250 micron (viii) UV Resistance @ 500 hours retained Tensile Strenght(MD) &(CD) ≥ 80 % (ix) Mass ≥ 300.00 Gm/m ² (x) Seam strength ≥50 % of actual fabric strength. Non-Woven Geo-Textile for inner layer (300gsm) :-It is needle punched non-woven geo textile made of 100% polypropylene staple fibres which are formed into a random network for dimensional stability. It should resist UV degradation, rotting and alkalis.Properties. (i)Wide Tensile Strenght(MD) ≥ 15 KN/m & Wide Tensile Strenght (CD) ≥ 15 KN/m (ii) Elongation (MD) ≥ 50% & Elongation (CD) ≥ 50% (iii) Abrasion ≥ 95 % (iv) Trapezoidal Tear Strength(MD) ≥340 N & Trapezoidal Tear Strength(CD) ≥340 N (v) CBR Puncture strength ≥ 3000 N (vi) Permittivity ≥ 1.25s-1, (vii) Permeability ≥ 60 l/m2/sec (viii) AOS ≤ 75 micron (ix) UV Resistance @ 500 hours retained Tensile Strenght(MD) & (CD) ≥ 80% (x) Mass ≥ 300.00 Gm/m ² (xi) Thickness at 2KPa ≥3 mm (xii) Seam strength ≥ 80 % of actual fabric 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 .(Bags are to be supplied of 15 numbers in a bundle, properly packed with each bag having proper tag with name of Manufacturer, Batch Number, the GSM and type of polymer encrypted and stitched on top corner and each bag is to be marked with “WRD Govt. of ASSAM” to be printed distinctly. Test Certificate from approved NABL accredited and ISO Certified Laboratory should invariably be submitted against each batch of material)

Supply of non-woven Geo-textile fabric sheets of 300 GSM manufactured from 100% virgin Polypropylene (PP) fibre with minimum properties as per IS 16653:2017 (i)Wide Tensile strength(MD) ≥ 15 KN/m & Wide Tensile strength (CD) ≥ 15KN/m (ii) Elongation (MD) ≥ 50% & Elongation (CD) ≥ 50% (iii) Abrasion ≥ 95 % (iv) Trapezoidal Tear Strength (MD) ≥340 N & Trapezoidal Tear Strength (CD) ≥340 N (v) CBR Puncture strength ≥ 3000 N (vi)Permittivity ≥ 1.25 s-1 (vii) Permeability ≥ 601/m2/sec (viii) AOS ≤ 75 micron (ix) UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80 % (x) Mass ≥ 300.00 Gm/m² (xi) Thickness at 2KPa ≥ 3mm. (Each Roll of Geo Fabric Sheet should be supplied in properly packed Bundles and should be marked with the Name of Manufacturer, Batch Number & its dimensions clearly on each roll 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/yarn PPMF stiching thread(2000Den Kaplon).

Carriage of Geo bags of size 1.03 x 0.70m including loading & unloading, stacking, etc. Complete and including hire charge of truck with driver and handyman cost of POL etc. completed as directed. (distanc

e to be calculated from Divisional Store)(To Raghubari) Distance= 6Km

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, etc. complete as directed. (Distance to be calculated from Divisional Store)Distance= 6Km

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, etc. completed as directed. (Distance to be calculated from Division Store) Distance= 6Km

Construction and supply of Wire -netting box of size 1.50 m × 1.50 m × 0.45 m made with mechanically woven, double twisted, hexagonal shaped wire mesh with wire made of low carbon, high ductile MS wire with heavy class of galvanization with an additional layer of PVC coating with mesh type of 10 × 12 as per EN 10223 & ASTM A975, mesh wire of 2.70 mm (I.D) /3.70 mm (OD) tensile strength of 450-500/mm2, edge wire selvedge around it at least 2.5 times, lacing wire (Zinc PVC coated) of 2.20 mm (I.D)/3.20mm (OD), VC coating thickness of 0.50mm nominal, 0.38 mm minimum, Mesh opening size 150mm × 150mm and with average weight per unit being 12 Kg with additional 3% of the weight of box for lacing wire supplied separately, supporting the facing of the box with zinc coated steel wire of required length as directed, complying with ASTM and European norms.

Labour charge for laying Geo fabric sheet as filter bellow pitching including carrying, lapping, wrapping & stitching as directed by the Engineer-in-Charge

Filling and laying in PVC coated W.N. Box of size 1.5m x 1.5m x 0.45m with sand/silt filled Geo bags of size 1.03m × 0.70m excluding excavation of sand/silt, filling geo bags with sand/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 PVC coated W.N. Box, complete as directed. Without Boat

Filling and laying of nonwoven Geo-textile bag of dimension 2.00m x 1.50m excluding excavation of specified sand/ silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand 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 double stitched 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. Without Boat

Filling and laying of Geo bags of size 1.03m X 0.70m excluding excavation of sand/ silt from flood plain or adjacent chars within a distance of 90m of the work site, filling geo bags with sand/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. (Sand/ silt ,Geo Bag and Polypropylene thread will be supplied by the department free of cost) Without Boat

Collection and supply of sand from approved quarry of specified grade for construction work free from debriges and other foreign material etc. complete as directed.

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 1000 m as per Technical Specification Clause 202. I By Manual Means (a) Cement Concrete

Removing all types of Hume pipes and stacking within a lead of 1000 m including Earthwork and Dismantling of Masonry Works as per Technical Specification Clause 202. (b) Above 600 mm to 900 mm dia Hume pipe

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size de rived from natural sources)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

Centering and shuttering including strutting, propping etc. and removal of form for 5.9.1 Fundations, footings, bases of columns, etc. for mass concrete

Providing and laying Non Pressure NP-3 class (Medium duty) R.C.C. pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete 900 mm dia RCC pipes.

Providing weepholes in brick masonry/stone masonry,plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the ll width of the structures with slope of 1(V):20(H) towards drawing face complete as per drawing and technical specification Clauses 614, 709, 1204.3.7

Collection and supply of broken stone metal of size 13 mm to 38 mm from hard blasted rock from Bihubor quarry free from dust, dirt and other foreign materials screening properly, stacking in suitable stacks at work site, payment of forest royalty monopoly,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 . Without boat

Collection and supply of river boulder of size 23 cm to 30 cm in average and minimum weight 30 Kg having i. Specific gravity not less than 2.65, ii. Aggregate Chrushing < 30% (Wearing) & < 45% (Non - wearing) iii. Impact Value (%) max < 30% (Wearing) & < 45% (Non - wearing) and iv. Abrasion Value (%) < 30% (Wearing) & < 50% (Non - wearing) (Materials conforming to IS 2386 part III & IV 1963) free from dust, dirt and other foreign materials including necessary carriage and stacking in regular measurable stacks at site, monopoly, etc. complete as directed. (10% under sized (not less than 10 cm) boulder is allowable for packing/filling the gaps occurred during execution of works) Complete as directed. (15% deduction will be made from the stack measured quantities on account of void).

Labour charge for laying and pitching boulder of 23 cm to 30 cm size (man size) including dressing the seat, ramming to proper size & slope, properly hand packed including site carriage of boulder from stacks within a distance of 150m etc. complete as directed. Without boat

Excavation for Structures (Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. V) In marshy soil i) upto 3 m depth B) Mechanical Means (ii) With dewatering

Litre

Earth work in filling by mechanical means by deploying hydraulic excavator and trippers etc. with locally available ordinary soil excluding rocky soil with all lead and li

ft, transporting to site , spreding, dressing as per design section including cutting and clearing light jungles trees up to 50cm girth ploughing or roughening or 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 accounts of shrinkage). 2.17.1-For initial lead up to 1km and for all lifts.

M.S.Channel 200x75x6mm for guide channel,cross member etc.

M.S.Channel 150x75x6mm for shutter frame, stiffener etc.

M.S. plate 6 mm thickness for fabrication of shutter like skin plate etc.

M.S. shaft 63 mm dia of length 5 M having a hole on bottom

Thread Cutting @ 2 TPI on 63 mm dia of length 4.5M

M.S. Angle 65X65X5 mm for fabrication of boss tool post

Thrust Bearing 65 mm dia.

C.I. Boss with handle 125X 150 mm handle size 38 mm dia, 2 T.P.I. inner thread to pass 63 mm dia shaft and having a groove 8 mm bottom of the handle.

M.S. Lock Plate 300 X 300 X 8 mm

M.S. Base Plate 300 X 300 X 10 mm

Nuts & Bolts (Assorted size)

M.S. Washer different size

Shaft pin 12mm

Distant tube with pin 75mm x 12mm

M.S. Electrode 10 S.W.G.

M.S. Electrode 8 S.W.G.

Antisol red oxide paint

Red Oxide primer

Turpentine Oil

Steel wire brush

Painting brush 3"11 (2 Nos each.)

Welding Holder 600 amp.

Arc Welding Mask

Arc Welding Dark Glass

Leather Hand Gloves

Gas cutting nozzle

Welding Cable ( Red & Blue ) 450Amp

Hacksaw Blade double ended 1.5"x12" size

'J' Type Rubber Seal 125 mm

M.S. Flat for rubber seal size 40X 3 mm

Nylon Rope 5/8"

Coir Rope

Bhaluka Bamboo

Jati Bamboo

Lock & Key 55 mm

W.B. Grease

Waste Cotton

Oxygen Gas(16.00kg/1.90Cum) Size-D

Filled DA Gas

Transportation expenditure for carrying sluice gate shutter, guide channel and other sluice gate materials to site and vice versa including P.O.L expenditure and labour charge by a 10 MT truck. Total distance = 15Km x 2 = 30 Km. Hire charges of diesel trucks with driver and helper but excluding fuel and lubricant. (b) 6 Ton Capacity

Cost of Diesel

Lubricant cost

Labour required for guide channel plastering and clearing fitting etc. Ordinary labour = 3 Nos. per day, Considering 4 days for completing the work.

Diesel for Welding Generator set