Construction of Single shutter sluices on R/Bof Kalajal river to Minimisethe Waterlogging Problems in Athiaboi and its adjoining areas.

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. Marshy soil

Fillling in foundation trenches as per drawing and technical specification Clause 305.3.9 Sand filling

Dry brick on edge flooring in required pattern with bricks of class designation 7.5 on a bed of 12 mm mud mortar, including filling joints with Jamuna sand, with common burnt clay non modular bricks.

Providing concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications Clause 802, 803, 1202 & 1203 With crushed Stone P.C.C grade M 15 Nominal mix 1:2.5:5 (Hand mixing)

Providing and laying reinforced cement concrete in superstructure as per drawing and technical specifications Clauses 800, 1205.4 and 1205.5 With crushed stone R.C.C grade M 20 For nominal mix 1:2:4 Height upto 5 M

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

Centering and shuttering including strutting, propping etc. and removal of form for : Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Supplying, fitting and placing TMT IS:1786 (Fe 500) bar reinforcement in sub-structure complete as per drawing and technical specifications TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/Jindal panther steel/ Shyam steel or equivalent)

Reinforcement in Super Structure: Supplying, fitting and placing TMTconforming to IS:1786 Fe 500 D reinforcement in super-structure including splicing complete as per drawing and technical specifications TMT-IS 1786 ( Fe-500 D) Primary Producer (TATA/ SAIL/ Esser Steel/ Jindal panther steel/ Shyam steel or equivalent)

Providing, driving with hydraulic piling rigs with power units and installing driven cast-in-situ reinforced cement concrete piles of grade M-25 of specified diameter and length below the pile cap, to carry safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of shoe and the length of pile to be embedded in the pile cap etc. all complete. (Length of pile for payment shall be measured from top of shoe to the bottom of pile cap) : 400 mm dia piles

Leveling course of Pile cap

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. By Mechanical Means Reinforced Cement Concrete

Earth work in filling by mechanical means by deploying hydraulic excavator and trippers etc. including ramming 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 the seats, removing all debris, breaking clods up to 2.5cm cube, etc. complete as directed. (12.5 % deduction will be made from the section measured quantities of the completed and compacted earth work on account of shrinkage) For initial lead up to 1 Km and for all lifts. For every Km extra lead beyond initial lead of 1 Km & upto 10 Km. L= 2 KM

Providing weepholes in brick masonry/stone masonry, plain/reinforced concrete abutment, wing wall, return wall with 100 mm dia AC pipe extending through the full 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

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 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)

Supply of Sewing Thread/Yarn PPMF Stitching Thread (2000 Den. Kaplon)

Collection and supply of River silt by truck carriage free from debries and other foreign material, etc. complete as directed. By manual Means For initial up to 1.00 Km & for all lifts. For beyond initial 1 Km & upto 10.00 Km & for all lifts. L= 2 KM

Filling and laying of nonwoven Geo - textile bag of dimension 2.00 m × 1.50 m excluding excavation of specified sand/silt from flood plain or adjacent chars within a distance of 90 m 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 machine, laying at proper site including all handling charges and local carriage within a distance of 100 m complete as directed. Without Boat

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 2.5m. 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 61.00nos./Rm)

SKIN PLATE: M.S. Plate (6 mm (ISMC Specification) for new fabrication of shutter skin plate.)

SHUTTER FRAME : M.S Channel (Size : 150 mm x75mmx 6 mm for new fabrication of shutter frame )

HORIZONTAL & VERTICAL STIFFENERS FOR SHUTTER : M.S Channel (Size:150mm x75mmx 6 mm for new fabrication Horizontal & Vertical Stiffeners )

M.S. plate (8 mm for shutter over top)

M.S. Flat (50x6)mm for fixing rubber seal)

"J" type rubber seal of the following sizes (Best quality) ISI specified B)125 mm

Nuts & Bolts (Assorted sizes)

M.S Electrode (Best Quality) a) 8 SWG

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

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 (200 x 75 mm for Guide Channel)

M.S. Channel (200 x 75 mm for Bottom Channels etc.)

M.S. Channel (200 x 75 mm for Top Channel)

M.S. Plate (6 mm for fitting of Guide Pairs of Channel )

M.S Angle (75x75 x 6 mm for anchoring)

Guide channel separator stud with nut on both end with tube of length 250mm to 460mm, for double acting Guide Channel.

M.S. Electrode ,8SWG

Nuts & Bolts (different size)

M.S. Washer (Assorted size )

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 (made of 20 mm to 25mm dia. rod of length 0.5 to 0.8 M with 100x50 mm channel at the base & ring at the top.)

Supply of M.S. Shaft (best quality)of diameter d)75 mm

Thread cutting 2 TPI including fine finishing and making hole in one end as per direction for 63mm

Shaft Pin of length up to 150 mm for the following diameter c)20 mm

H.D. Thrust ball bearing (Best quality) ISI specified a) 75 mm dia.

Steel wire rope (Tested quality) of the following sizes (ISI standard) a) 16 mm

‘U’ Clamp of size 16 mm

C.I. Boss with internal thread cutting 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) 150x200 mm

C.I pulley 16 mm to 25 mm dia. with centre hole as per direction (Machine finished) 150 mm

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

C.I pulley 16 mm to 25 mm dia. with centre hole as per direction (Machine finished) b)150 mm

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

Pulley pin, 16mm dia.

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

Distant tube with pin of the following size (Machine finished) b)100*12 mm

Clamp for lock plate

G.I pipe (for Boss handle, separator tube Size: 25mm)

M.S Electrode 8 swg

M.S. Plate (6mm for platform, ladder)

M.S. Channel (150 x 75 mm for Top Chanel support)

M.S. Channel (100 x 50 mm for base support of the platform, Horizontal cross bar )

M.S angle( ( 75x75x6 ) mm for Tool Post, vertical railing post, platform support ladder etc.)

M.S angle (( 50x50x6 ) mm for Horizontal railing , ladder rows etc.)

M.S. Electrode 8 SWG

Gas cutting nozzle

Arc welding cable 400/600 Amps

Arc welding holder, 600 Amp.

Nylon rope

Leather hand gloves

Waste cotton

W.B. Grease

Steel wire brush

Painting brush, 3” 11

Red oxide primer

Antisol red oxide paint

Turpentine oil

Coir Rope

Skilled labour (to be engaged for fabrication works by arc welding & Gas cutting.)

Ordinary Labours (to be engaged for various assisting work during repairing, fabrication & welding works, carrying & handling of sluice gate materials, watch keeping, garbage cleaning , painting , lubrication etc.)

Hire charge of Crane with capacity 8 ton with operator excluding fuel & lubricant. (charges for loading, shifting, installation of the heavy shutters etc with the help of 8 tonne capacity crane as directed)

Filled D.A. Gas

Filled Oxygen Gas

H.S. Diesel for Arc welding generator set and depttl. Truck for carriage of T & P and sluice gate materials etc.

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