R/S of Dikhow bund L/B from N.H. Bridge to Namdung outfall including A/E measures at Barichuk, Potholial and Sensuwa area.

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.

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.

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.

Earthwork in grabbing the seat of the embankment up-to 0.3 m depth by mechanical means and depositing the soils outside the country side toe of the proposed structures, etc. complete as directed.

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)

Supply of Ordinary / unskilled labour.

Dismantling of cement concrete pavements by mechanical means using pneumatic tools breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials upto a lead of 1000 m, stacking serviceable and unserviceable materials separately

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 Pre stressed Cement Concrete (PSC) Porcupine members of size 0.10m × 0.10m × 3.00m with M-30 grade of cement concrete conforming to IS 1343:2012 using super-plasticizer @1.2 lit/bag of cement with graded broken coarse aggregates up to 20mm size down conforming to IS 10262:2009 & IS 456:2000 and reinforced with 4 nos. of 4 mm dia. high tensile steel wire cable/strand with necessary cover and 4 mm high tensile stirrups at 250mm C/C, in conformity with IS-6403:R2002 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 21 (Twenty one) days and carriage of porcupine members from factory to the stack yard within a distance up to 50 Km including loading, unloading & stacking 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) A) Launching without boat

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) B) Launching with boat

Supplying, fitting and fixing RCC guard post 150 cm long erected 75 cm above the ground and 75 cm below the ground with M-15 grade (nominal mix 1:2:4 with broken stone aggregate up to 20 mm 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 23 cm strips up to 0.75 m from the top alternately in black and white and having 2 nos reflective band of desired shade etc. complete as per design and as directed. b) 15 cm dia RCC guard post with reienforcement of 4 nos 12mm dia TMT main steel bars and 6 mm 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. (distance to be calculated from Divisional Store) (A) Barichuk

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. (distance to be calculated from Divisional Store) (B) Potholial

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) (A)Barichuk)

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)(B) Potholial

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)(A) Barichuk

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)(B) Potholial

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. 1) Without Boat

Filling and laying of nonwoven Geo-textile bag of dimension 2.00m x 1.50m including 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 .8.04 B.2)With Engine 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)8.01A.1 (1).Without Boat

Filling and laying of Geo bags of size 1.03m X 0.70m including 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)

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.

Earth work in excavation of drainage channel by mechanical means to the proper grade and slopes as required including desposing the excavated debries / soil to a safe distance of minimum 50m distance etc. complete as directed .For lead up to 50m and all lifts. Wet & sticky soil (2.09.1).

Collection of broken stone metal of size 13 mm. to 38 mm in average free from dust, dirt and other foreign materials from approved quarry including necessary carriage loading , unoading and stacking in regular measurable stacks of approximate 1(one) m. height at work site, etc. complete as directed. (Barichuk)

Collection of broken stone metal of size 13 mm. to 38 mm in average free from dust, dirt and other foreign materials from approved quarry including necessary carriage loading , unoading and stacking in regular measurable stacks of approximate 1(one) m. height at work site, etc. complete as directed. (Potholial)

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

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 lift, 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).

NK AGARWALLA