Construction of Sessa R/B embankment including strengthening of existing embankment (Ph-I). PACKAGE 1

Amount

Earth work in embankment by tractor trailer carriage by Mechanical means 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 with three wheel static roller of 80-100 KN capacity in layers not exceeding 30 cm in thickness and core cutter soil test at every layer and every 500m distance, etc. complete as directed. For beyond initial 1 Km & up to 10.00 Km & for all lifts. (Total lead=2km)

Turfing with grass sods of largest possible rectangles of 12cm minimum thickness placed closely including dressing earth pegging with Jati bamboo split, watering till the grass grows for a lead up to 90m and all lifts, etc. complete as directed.

Supply of Geo-textile bags of type-A (1.03 × 0.70 m) 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) ≥ 20KN/m & Wide Tensile strength(CD) ≥20 KN/m ii. Elongation (MD) ≥50% & Elongation (CD) ≥ 50% iii. Abrasion ≥ 95% iv. Trapezoidal Tear Strength (MD) ≥ 450N & Trapezoidal Tear Strength (CD) ≥ 450N v. CBR Puncture strength ≥ 4000N vi. Permittivity ≥ 1.10s – 1 vii. Permeability ≥ 40l/m2/sec viii. AOS ≤ 75 micron ix. UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80% x. Mass ≥ 400 gm/m² 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 @ 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)

Carriage of Geo Bags of size 1.03 × 0.70 m 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). (Distance from Divisional Store to work site = 80Km).

Filling and laying in PVC coated WN Box of size 1.5m x 1.5m x 0.45m with sand/silt filled Geo bags of size 1.03 m × 0.70 m including excavation of sand/silt from flood plain or adjacent chars within a distance of 90 m 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 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 150 m and laying properly in PVC coated WN Box complete as directed. (Geo Bag, PVC coated wire netting box and Polypropylene thread will be supplied by the department free of cost) Without Boat

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)/3.20 mm (OD), VC coating thickness of 0.50 mm nominal, 0.38 mm minimum, Mesh opening size 150 mm × 150 mm 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.

Supply of Geo Bags Type-B (Size 2.00 m × 1.50 m 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 geotextile 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. Properties i. Tensile strength (MD) ≥ 80 KN/m & Tensile strength (CD) ≥ 70 KN/m ii. Elongation (MD) ≤ 25% & Elongation (CD) ≤ 25% iii. Abrasion ≥ 75% iv. Trapezoidal Tear Strength (MD) ≥ 1500N & Trapezoidal Tear Strength (CD) ≥ 1300N v. CBR Puncture strength ≥ 900N vi. Permeability ≥ 18 l/m2/sec vii. AOS ≤ 250 micron viii. UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80% ix. Mass ≥ 300 gm/m² x. Seam strength ≥ 50 % of actual fabric strength. Non-Woven Geo-textile for the 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 strength (MD) ≥ 15 KN/m & Wide Tensile strength (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 ≥ 1.25 s-1 vii. Permeability ≥ 60 l/m2/sec viii. AOS ≤ 75 micron ix. UV Resistance @ 500 hours retained Tensile strength (MD) & (CD) ≥ 80% x. Mass ≥ 300 gm/m² 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).

Carriage of Geo Bags of size 2.00 × 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. completed as directed. (Distance to be calculated from Divisional Store). (Distance from Divisional Store to work site = 80Km).

Filling and laying of nonwoven Geo - textile bag of dimension 2.00 m × 1.50 m including excavation of sand/silt from flood plain or adjacent chars within a distance of 90 m of the work site, filling geo bags with sand/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 100 m complete as directed. (Geo Bag and Polypropylene thread will be supplied by the department free of cost). Without Boat.

Supply of geo-textile Tube (Mega containers) of fill height of 2.5 m and 25 m length made of geo-textile with minimum properties as mentioned below. i. Tensile strength of geo-textile materials > 200kN/m in both directions for woven geo-textiles ii. O95 (pore size) of the geo-textile materials < 180 microns. iii. Seam strength > 70% of the material tensile strength. iv. Elongation of the material at the ultimate tensile strength should not be more than 20% v. CBR Burst Strength > 10.5 vi. Abrasion resistance (BAW Rotating Drum) >75% of strength retained. vii. UV Resistance (ASTMD4355-500Hrs) > 80% of strength retained. viii. The geo-textile mega containers must resist the pressure created by stacking the tubes in 3:2:1 manner.

Filling of geotubes (25m long and 2.5m filled ht.) with sand by using mud pump as per drawing and technical specification while binding the tube with 9mm nylon rope to jati bamboo pegs of length 2m placed 2.5m c/c along both sides of the tube and at both ends to keep the tube in position during filling, as specified and directed, including all loading, unloading and handling charges and local carriage upto a distance of 250m etc. 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 upto 50 m and all lifts. Wet & Sticky Soil

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

Earth work in embankment by Tractor-trailer carriage by mechanical means in locally available ordinary soil excluding rocky soil free from roots & vegetation and stacking in regular measurable stacks at suitable places including clearing debries, breaking clods up to 4 cm cube, etc. complete as directed. (12.50 % deduction will be made from measured quantities on account of shrinkage) For every Km extra lead beyond initial lead of 1 Km & up to 10 Km (upto 2Km)

Spreading of earth stacks over the crest and slope of embankment and places as directed in uniform layer of 22 cm. thick including breaking clods, dressing, ramming etc. complete where necessary including dressing of the embankment, etc. 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

Plain/reinforced cement concrete in substructure complete as per drawings and technical specification Clauses 802, 804, 805, 806, 807, 1202 and 1204 A) With Crushed Stone II) P.C.C. grade M 20 (i) Nominal mix (1:2:4)

Plain/Reinforced cement concrete, in sub structure complete as per drawing and technical specification and steel shuttering formwork P) With plasticiser ( Masterplast PL-1/SPL-2 or equivalent ), air entraining and water reducing plasticiser ( Masterplast PAE or equivalent) and accelerating plasticiser( Masterplast ACPL orequivalent) conforming to IS-9103-1999 (F) RCC Grade M 25 (a) for height upto 5m. Case I: with Mixer Machine

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

Providing and laying flooring laid over cement concrete bedding complete as per drawing and technical specification Clause 1303 III) Brick on edge laid in cement mortar (1:3)

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material. V) Marshy soil

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301.

Supplying and Driving of NSZ801 Type Vertical Steel Piles (t=8mm, s=8mm, w=690mm) complete as per Drawing and & Technical Specification. (Rate as per approved rate of Nagaon W.R. Division)

Bored cast-in-situ M35 grade R.C.C. pile excluding reinforcement complete as per drawing and technical specifications and removal of excavated earth with all lifts and lead upto 1000 m. including providing plasticiser (Masterplast PL-1/SPL-2 or equivalent), air entraining and water reducing plasticiser ( asterplast PAE or equivalent) and accelerating plasticiser (Masterplast ACPL or equivalent) conforming to IS-9103-1999 (Pile diameter-750 mm).

Dewatering by 5 H.P. water pump including supply of necessary fuel, engine oil and pump operator etc. complete as directed.

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification. B. Sandy Material

M.S. Plate 6mm thickness for skin plate

M.S.Channel 175 x 90mm for shutter vertical & horizontal stiffeners , frame etc.

M.S.Flat 50 X 6 mm for rubber seal fitting.

"J" type rubber seal 125mm.

M.S.Electrode 8 swg.

M.S.electrode 10 swg.

Antisol red oxide paint

Red oxide primer.

Turpentine oil.

Nylon rope.

Painting brush 3"11

Steel wire Brush.

Filled Oxygen Gas

Filled D.A. Gas

Waste cotton

Diesel for Arc Welding Generator sets.

Lubricating oil for welding sets.

Nuts and Bolt for rubber seal fitting

Supply of M.S. Shaft (Best quality) of diameter c) 63 mm

Thread cutting (Square) 1 TPI/2 TPI including fine finishing and making hole in one end as per direction for sizes as given below c) 63 mm

C.I. Boss with internal thread cutting 1 TPI/2 TPI, making groove for bearing slot for lock plate and 1.5" drill for providing handle as per direction for the following sizes: (dia. × height) a) 125 mm × 175 mm

H.D.Thrust ball bearing(best quality) ISI specified b) 65mm.

M.S. base plate 300 mm × 300 mm of the following thickness as per direction including supply of materials. (Machine finished) b) 12 mm

M.S. lock plate 300 mm × 300 mm of the following thickness as per direction including supply of materials. (Machine finished) b) 10 mm

Clamp for lock plate.

M.S.Electrode 8 swg.

M.S.electrode 10 swg.

Nuts and Bolts (Assorted size).

M.S.Washer.

Shaft pin with length up to 150 mm for the following diameters b) 16 mm

Distant tube with pin of size a) 75 X 12mm

G.I. pipe a)25 mm dia

C.C. counter weight circular type 400 mm dia. around 100 mm thick with 25 mm dia. hole at centre & two handles for carrying weight of 30 Kg each as per direction (Machine finished)

Counter weight holder

Pulley stand made of 100 × 50 mm channel for (As per direction) a) 125 mm

Pulley pin 16 mm dia

C.I pulley 16 mm to 25 mm dia. with centre hole as per direction (Machine finished) a) 125 mm

Steel wire rope 16 mm

Making & supply of C.I. roller with suitable collar 10 -12 mm & centre hole 10 - 20 mm as per direction (Machine finished), size (dia. × height) a) 100 mm × 150 mm

C.I. roller pin of length 150 mm to 250 mm dia. (Machine finished) a) 16 mm

F' shaped roller bracket made of 10 mm thick plate of size 75 × 200 mm with hole as per direction to accommodate with the roller size: (Machine finished) a) 100 mm × 150 mm

M.S. Channel 175 X 75 mm for installation of guide pairs for two openings.

M.S Channel 175 X 75 mm for top and bottom channel.

M.S. plate 10 mm for Guide channel , Tool Post bottom support.

M.S. Plate 6 mm for Platform top covering of sluice

M.S.Angle 75 X 75 X 8 mm for Tool post,anchoring.

Nuts and Bolts (Assorted size )

Filled Oxygen Gas

Filled D.A. Gas

M.S. Washer

MS Rod

Seperator stud with nut on both end with tube of lenghth 250 mm to 460mm

M.S.Electrode 8 swg.

M.S.Electrode 10swg.

Skilled labours to be engaged for fabricarion , Arc welding works & Gas cutting, Measuring & fine finishing during fabrication & installation of the mechanical part of sluice gate.

Ordinary labour to be engaged for carrying & handling of sluice gate materials, various assisting works during fabrication & installation etc.

Arc welding holder 600 Amp.

Arc welding mask.

Arc welding dark glass.

Arc welding cable 600 Amp.

Lubricating oil

Gas cutting hose, 12 mm dia.(Black & Red).

Grease

Nuts and Bolts (3/8", 5/8",7/8").

M.S.Washer.

Leather hand gloves

Nylon rope 16mm to 20mm.

Matured full length bamboo b) Jati for camping

Matured full length bamboo a) Bhaluka

Antisol red oxide paint for guide channel & other iron structures etc.

Red oxide primer for guide channels& other iron structures etc. etc

Turpentine oil.

Gas cutting kit (including oxygen meter, acetylene meter, cutting torch, regulator etc.)

G.I. wire 22 SWG

M.S. Chain of size 8 mm

Lock & Key , 55 mm

Hacksaw blade 1.5" X 12" double ended

Diesel for various fabrication work , carrying of generator and T&P materials to site and vice-versa .

Gas cutting nozzle.

Hire charge of diesel truck of 2 ton capacity with driver and helper but excluding fuel and lubricant for carrying of various sluice gate materials from workshop to site and vice-versa.

Hire charge of Crane with capacity 3 ton with operator excluding fuel & lubricant.

Hire charge of 25 KVA Diesel Generating Set. with operator and P.O.L.

SANJIB BORUAH