Execution, Testing, Commissioning of Balance Works for Silapathar Town Water Supply Scheme

Amount

Conducting route survey on command area map along the road, fixing up alignment, taking levels at every 50 m intervals and at each crossing & junction of road, change of alignment by qualified surveyors and with modern equipment viz. GPS, Total Station and Auto Level, and preparation of drawing in Auto CAD showing the alignment of road, route of pipeline, location of Head Works & other Tube Well sites, important land marks in both side of the roads, habitation by hatch mark and submission of 6 (Six) copies of drawing (Hard Copy) as well as soft copy in (CD or DVD) with geo reference of all landmarks, important road crossings, head Works & other related sites.

Re-designing of all water supply scheme, including hydraulic modelling of water supply main lines, distribution system, and structural design of components such already constructed head works, half done works, underground reserviour and pump house, storage tanks, electro-mechnical design of equipments, Intake station and any other components included in complete water supply system. All work complete in all respect.Any changes as required after re-designing the system shall be informed to the engineer incharge and after approval shall be executed for the entire water supply scheme satisfying the Employer's Requirements

Installtion of Deep Tube Well. of size 200mmx150mmx150 m depth:Design, installation, development, testing and commissioning of deep Tubewell of with Supply of Blue casing 200mm and 150mm UPVC pipe and 200mm strainer ( the thickness of the pipe and strainer conforming to IS 12818:1992 ) including 200mm x 160mm PVC reducer, 200mm dia PVC cone , shoe (bail plug) etc. and jointing them together by to make them into the Deep Tube Well assembly and lowering the said assembly in to the bore hole in position, developing of DTW with air compressor , providing bentonite clay packing (including the cost of bentonite clay) with all accessories including cost of P.O.L. including supplying all materials, including Transportation of drilling rig and equipment, erection at site, setting the work and dismantaling after completion of the work including temporary accommodation for the drilling personel as directed and specified,Pilot boring with 80 mm dia size. Supplying and packing pea gravel around the periphery of casing .Developing of the D.T.W. with air compressor all complete, as per Technical Specifications, all complete and specified as per Employer's Requirements.

Submersible Pump:Designing, Providing, erecting, testing and commissioning of 3 nos of [1 no stanby] submersible pump set of as per required discharge and head as per approved design, conforming to IS 8034 and motor conforming to IS 9283, with water proof winding. Pump shall be suitable for various delivery head and discharge with stainless steel shaft. Motor suitable for working on 415 V ± 10%, 3 Ph, 50 Hz A.C. Supply, with cable guard, thrust carbon/fiber bearing to withstand entire hydraulic thrust. The pump set shall be suitable for direct coupling, with suitable suction strainer. Pump should have suitable discharge out let as per manufacturer's design,control panel, submersible copper conductor cable in single / double run upto Panel and 2 pairs of suitable size erection clamp 10 mm thick shall be provided with each pump. MS black column Pipe of Heavy duty conforming to IS-1239-Part-I (2004) standards including internal food grade epoxy coating and external enamel painting, all complete as per Employer's Requirements.

Drawing of Power line and sub-station at DTW-II site:Design, supply, erection, testing and commissioning of all Electrical works for Construction of 11 KV line and 11/.4 KV 25 KVA S/S at intake station (DTW) including electrical motor, electric cables, Transformer, MCC panel, earthing, Cable trench, Cable tray, Gland and lugs, internal lighting & exhaust system , external lighting etc , Providing electrical power connection to Deep Tube Well Site including drawal of electrical power line from the nearby APDCL Grid, setting up of required capacity Sub-Station, providing electrical control panel & metering unit, deposite of Load Sanction amount payble to APDCL etc. and including obtaining necessary approval from APDCL and payment of supervision & other charges to APDCL, if any, all complete, as specified & directed and all other associated works as per Employer's Requirements

Construction of Pump House: Design, Drawing, and Construction of of RCC Pump house with size 3.5 m x 3.5 meter where the works included are: Earth Work, PCC, Steel reinforcement for R.C.C. work, Reinforced cement concrete work in walls, Brick work, 15 mm cement plaster, Applying priming coats with primer With water thinnable cement primer on wall surface having VOC content less than 50 grams/litre, Wall painting with plastic emulsion paint of approved brand and manufacture to give an even mades, Steel work in gratings, frames, guard bar, ladder, railings, brackets, gates and similar works, Providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows, fixing with butt hinges of required size with necessary screws, Applying Primming Coat and Panting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade, Brick on edge flooring, Cement plaster skirting up to 30 cm height, with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement as per Technical Specifications and all complete as per Employer's Requirements.

Raw water pumping main: Supply, laying and commissioning of raw water transmission main of 150mm dia Ductile Iron (DI) Pipes of Class K9, and P 1.0 rating, IS marked conforming to IS 8329:2000 Centrifugally Cast (SPUN) Pressure Pipes for water with Socket, Spigot ends and tyton joints in standard working lengths of 5.5 & 6m for classification K-9 suitable for Push- on Joint (Rubber Gasket Jointing) with cement mortar lining inside the pipes as per of IS 8329:2000 and Zinc Coating with a finishing layer of Epoxy Resin (Blue Epoxy) on external surfaces as per IS 8329:2000. including DI Specials and fittings of class K12, with plain, double socket, Socketed and flanged DI specials conforming to IS: 9523 including various types of bends, tees, reducers, socket and flanged tail pieces, duck foot bends, collars, mechanical joints, dead end caps, blank flanges etc. as per requirement including EPDM rubber gaskets suitable for tyton joints and ‘O” rings required for the jointing of specials with the pipes, nuts and bolts with packing gaskets, including required valves, appurtenances and chamber (3Nos. air valves, 2Nos. sluice valves and non-return valves, pressure gauges) including excavation in trenches, dismantling of all type of pavements, sand bedding as required, backfilling of trenches and foundations with approved graed excavated materials and approved graded river sand as required including loading and unloading , Shuttering and shoring the earth at different levels in foundations where necessary with required prop, struts, planks, timbers, nails etc. including dewatering if necessary, complete for raw water pumping system as per Technical Specifications and all complete as per Employer's Requirements.

Centrifugal Pump:Design, supply, erection, testing and commissioning Treated Water Pumping machinery in the at the clear water pump room at treatment plant including all necessary electrical and other installation works : 3 nos. (2 working + 1 standby ) horizontal split casing type electrically operated centrifugal pump set (as per relevant BIS specification) with matching drive motor (as per relevant BIS specification) with variable frequency drive where required, all of reputed make and conforming to BIS specification & other regulatory norms, giving a discharge as per required design against a total maximum head including providing all necessary suction & delivery piping arrangements with control valves & specials viz. foot valve, sluice valve, non return valve etc., electrical switch gear along with required capacity Capacitor bank panel and connection cable of required sizes, arrangement for priming pump with standby provision & priming water tank with suitable staging & required GI piping etc., anti vibratory mountings for the pump set, and including payment of all taxes and duties as applicable, furnishing manufacturer's test certificate & characteristic performance curve of the pump set, all complete as directed and specified.

2 Nos. of Centrifugal Pump Treated Water Pumping machinery in the clear water pump room at treatment plant including all necessary electrical and other installation works horizontal split casing type electrically operated centrifugal pump set, giving a required discharge of 40 lps and Head: 45.00 M with all accessories and requirements as per Technical Sprcification and Employer’s requirement

1 No. of Centrifugal Pump Treated Water Pumping machinery in the clear water pump room at treatment plant including all necessary electrical and other installation works horizontal split casing type electrically operated centrifugal pump set, giving a required discharge of 20 lps and Head: 45.00 M with all accessories and requirements as per Technical Sprcification and Employer’s requirement.

Clear water pumping main : - Design, supply, laying, and commissioning of Clear water transmission main of 200mmDuctile Iron (DI) Pipes of Class K9, and P 1.0 rating, IS marked conforming to IS 8329:2000 Centrifugally Cast (SPUN) Pressure Pipes for water with Socket, Spigot ends and tyton joints in standard working lengths of 5.5 & 6m for classification K-9 suitable for Push- on Joint (Rubber Gasket Jointing) with cement mortar lining inside the pipes as per of IS 8329:2000 and Zinc Coating with a finishing layer of Epoxy Resin (Blue Epoxy) on external surfaces as per IS 8329:2000. including DI Specials and fittings of class K12, with plain, double socket, Socketed and flanged DI specials conforming to IS: 9523 including various types of bends, tees, reducers, socket and flanged tail pieces, duck foot bends, collars, mechanical joints, dead end caps, blank flanges etc. as per requirement including EPDM rubber gaskets suitable for tyton joints and ‘O” rings required for the jointing of specials with the pipes, nuts and bolts with packing gaskets, including required valves, appurtenances and chamber (3 Nos. air valves, 2Nos. sluice valves and non-return valves, pressure gauges) including excavation in trenches, dismantling of all type of pavements, sand bedding as required, backfilling of trenches and foundations with approved graed excavated materials and approved graded river sand as required including loading and unloading , Shuttering and shoring the earth at different levels in foundations where necessary with required prop, struts, planks, timbers, nails etc. including dewatering if necessary, complete for Clear Water Transmission Main system as per Technical Specifications, all complete and specified as per Employer's Requirements.

Water Treatment Plant: Construction of Water Treatment Plant of capacity 3.13 MLD (in 16 hours of operation and with raw water from underground source) with suitable design in conformity with the CPHEEO Manual and all relevant BIS Code of practices with latest amendment, current at the time of design & execution, having provision for sprinkler type aeration, rapid mixing, sedimentation & Filtration followed by disinfection, suitable for smooth & trouble free operation of the plant, Provision for Back Washing, Chemical house and having provision for one Water Works Office and Storage accommodation, filter back wash water tank, sludge disposal system, recycling of back wash water, all internal connection & by-pass piping system all complete, as directed and specified

Construction of Aeration cum sedimentation tank

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas(exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge.

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) cum 6833.40

1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

FORM WORK

Centering and shuttering including strutting, propping etc. and removal of form for

Foundations, footings, bases of columns, etc. for mass concrete

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Suspended floors, roofs, landings, balconies and access platform

Columns, Pillars, Piers, Abutments, Posts and Struts

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

CEMENT PLASTER (IN COARSE SAND) 12 mm cement plaster of mix : 1:4 (1 cement: 4 coarse sand)

Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour.

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

Supply of DF/DI-K7/ UPVC(10Kg per Cm square ) pipe and D I Specials as per IS specification

200 mm dia UPVC -10Kg/Cm2 pipe

200 mm dia UPVC -10Kg/Cm2 90

300 mm dia DF 600 mm long nipple

300 mm dia DI pipe

300 mm dia 90 degree DF bend

200 mm dia 90 degree DF bend

300 mm dia CI/DF Sluice Valve

Labour Charge for fitting fixing of specials

Supply of full threded Bolts and Nut

Supply of 3 mm thick rubber gusket

Construction of Rapid mixer

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas(exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge.

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) cum 6833.40

REINFORCE CEMENT CONCRETE : Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

FORM WORK

Centering and shuttering including strutting, propping etc. and removal of form for

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

CEMENT PLASTER (IN COARSE SAND) 12 mm cement plaster of mix : 1:4 (1 cement: 4 coarse sand)

Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour.

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Construction of Chemical house

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)

CEMENT CONCRETE (CAST IN SITU) Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

REINFORCED CEMENT CONCRETE WORKS Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Form work Centering and shuttering including strutting, propping etc. and removal of form for

Columns, Pillars, Piers, Abutments, Posts and Struts

Lintels, beams, plinth beams, girders, bressumers and cantilevers

REINFORCEMENT: Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:4 (1 cement : 4 coarse sand)

CEMENT PLASTER (IN COARSE SAND): 12 mm cement plaster of mix :1:4 (1 cement: 4 coarse sand)

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Brick on edge flooring with bricks of class designation 7.5 on a bed of 12 mm cement mortar, including filling the joints with same mortar, with common burnt clay non modular bricks:

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.

Providing and fixing in position collapsible steel shutters with vertical channels 20x10x2 mm and braced with flat iron diagonals 20x5 mm size, with top and bottom rail of T-iron 40x40x6 mm, with 40 mm dia steel pulleys, complete with bolts, nuts, locking arrangement, stoppers, handles, including applying a priming coat of approved steel primer. sqm 9397.35, c. Shutter

Applying priming coat:: With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel work (second coat)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length (hold fast lugs or dash fastener shall be paid for separately).

Providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows, fixing with butt hinges of required size with necessary screws, excluding panelling which will be paid for separately, all complete as per direction of Engineer-in-charge. (Note:- Butt hinges and necessary screws shall be paid separately)

Applying priming coat: With ready mixed pink or Grey primer of approved brand and manufacture on wood work (hard and soft wood)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

Providing and fixing IS : 12817 marked stainless steel butt hinges with stainless steel screws etc. complete :

100X58X1.90 mm each

75x47x1.80 mm each

50x37x1.50 mm each

Providing and fixing bright /matt finished Stainless Steel handles of approved quality & make with necessary screws etc all complete. 125 mm

Sanitary Installation

17.3 Providing and fixing white vitreous china pedestal type water closet (European type) with seat and lid, 10 litre low level white vitreous china flushing cistern & C.P. flush bend with fittings & C.I. brackets, 40 mm flush bend, overflow arrangement with specials of standard make and mosquito proof coupling of approved municipal design complete, including painting of fittings and brackets, cutting and making good the walls and floors wherever required : 17.3.1 W.C. pan with ISI marked white solid plastic seat and lid

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require:

17.7.1 White Vitreous China Wash basin size 630x450 mm with a pair of 15 mm C.P. brass pillar taps Basin

Providing and fixing 8 mm dia C.P. / S.S. Jet with flexible tube upto 1 metre long with S.S. triangular plate to Eureopean type W.C. of quality and make as approved by Engineer - in - charge. C.P./ S.S. Jet

Providing and fixing G.I. inlet connection for flush pipe connecting with W.C. pan

Clear water reservoir(Sump)

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge.

Extra for excavating trenches for pipes, cables, etc, in all kinds of soil for depth exceeding 3 m in depth, but not exceeding 4.5 m. (Rate is over corresponding basic item for depth upto 1.5 metre.)

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)

REINFORCED CEMENT CONCRETE WORKS : Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :

Centering and shuttering including strutting, propping etc. and removal of form for

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Suspended floors, roofs, landings, balconies and access platform with water proof ply 12 mm thick

Extra for shuttering in circular work

REINFORCEMENT: Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:

CEMENT PLASTER (IN COARSE SAND)12 mm cement plaster of mix :1:4 (1 cement: 4 coarse sand)

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works kg 142.30

Providing and fixing in position collapsible steel shutters with vertical channels 20x10x2 mm and braced with flat iron diagonals 20x5 mm size, with top and bottom rail of T-iron 40x40x6 mm, with 40 mm dia steel pulleys, complete with bolts, nuts, locking arrangement, stoppers, handles, including applying a priming coat of approved steel primer.

Providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows, fixing with butt hinges of required size with necessary screws, excluding panelling which will be paid for separately, all complete as per direction of Engineer-in-charge. (Note:- Butt hinges and necessary screws shall be paid separately)

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour.

Applying priming coat:

Applying priming coat: With ready mixed pink or Grey primer of approved brand and manufacture on wood work (hard and soft wood)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

Providing and fixing IS : 12817 marked stainless steel butt hinges with stainless steel screws etc. complete :

100X58X1.90 mm each 86.15

50x37x1.50 mm each 36.00

Providing and fixing bright /matt finished Stainless Steel handles of approved quality & make with necessary screws etc all complete.125 mm

(BAR) : Supplying of CI double flanged specials such as Tee , Bends , Reducer , Tappers and Caps etc as directed 250mm dia Nipple

(BAR) : Supplying of CI man hole cover (600mmx600mm)

Construction of Filter House

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas(exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge.

All kinds of soil cum 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)

1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

FORM WORK: Centering and shuttering including strutting, propping etc. and removal of form for

Foundations, footings, bases of columns, etc. for mass concrete

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Suspended floors, roofs, landings, balconies and access platform

Columns, Pillars, Piers, Abutments, Posts and Struts

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:4 (1 cement : 4 coarse sand)

CEMENT PLASTER (IN COARSE SAND) 12 mm cement plaster of mix :1:4 (1 cement: 4 coarse sand

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour. Two coats

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Brick on edge flooring with bricks of class designation 7.5 on a bed of 12 mm cement mortar, including filling the joints with same mortar, with common burnt clay non modular bricks: 1:4 (1 cement : 4 coarse sand)

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works

Providing and fixing in position collapsible steel shutters with vertical channels 20x10x2 mm and braced with flat iron diagonals 20x5 mm size, with top and bottom rail of T-iron 40x40x6 mm, with 40 mm dia steel pulleys, complete with bolts, nuts, locking arrangement, stoppers, handles, including applying a priming coat of approved steel primer C. Shutter

Applying priming coat: With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel work (second coat)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length (hold fast lugs or dash fastener shall be paid for separately). Second class teak wood

Providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows, fixing with butt hinges of required size with necessary screws, excluding panelling which will be paid for separately, all complete as per direction of Engineer-in-charge. (Note:- Butt hinges and necessary screws shall be paid separately) Second class teak wood,35 mm thick shutters

Applying priming coat: With ready mixed pink or Grey primer of approved brand and manufacture on wood work (hard and soft wood)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

9.70 Providing and fixing IS : 12817 marked stainless steel butt hinges with stainless steel screws etc. complete : 75x47x1.80 mm

Providing and fixing bright /matt finished Stainless Steel handles of approved quality & make with necessary screws etc all complete, 125mm

Mechanical Installation of Treatment Plant Supplying, fabrication, installation, testing and commissioning electrically operated agitator assembly, flow measuring device (rate of flow indicator), manually operated hoist of 0.5 MT capacity mounted on traveling trolley with rubber wheels, electrically operated agitator assembly, cleaning arrangement of the flash mixer comprising of 250mm dia HDPE wash water drain pipe, inlet and outlet piping arrangement with all appurtenances viz. control valves, flow controller etc, under drainage piping system, Rotary Air Blower, 1st class ITC or similar approved GI pipe and fittings, filtered water output controller, ‘Rate of Flow’ meter of range 200-500 m3/hr. and ‘Loss of Head’ indicator of range0-2.0 meter, suitable chlorinator for post chlorination, CI/DF pipe of assorted size conforming to IS : 1536, manifold type M.S. fabricated common header etc. Providing removable inspection covers made of M.S. checkered plate over the control chambers for the filter, also providing white glazed tiles, 1.05 m. thick graded filter media all complete as per Technical Specifications and all complete as per Employer's Requirements.

Distribution pipe Network Design, supply, laying, Road Crossing, Culvert Crossing, Drain/ Nalla Crossing and commissioning of distribution pipe network by DI S/S ended (K-7) and PN 1.0 rating IS marked pipe of following dia, as per IS-8329-2000 including DI Specials and fittings of class K12, with plain, double socket, Socketed and flanged DI specials conforming to IS: 9523 including various types of bends, tees, reducers, socket and flanged tail pieces, duck foot bends, collars, mechanical joints, dead end caps, blank flanges etc. as per requirement including EPDM rubber gaskets suitable for tyton joints and ‘O” rings required for the jointing of specials with the pipes, nuts and bolts with packing gaskets, including excavation in trenches, dismantling of all type of pavements, sand bedding as required, backfilling of trenches and foundations with approved graded excavated materials and approved graded river sand as required including loading and unloading , Shuttering and shoring the earth at different levels in foundations where necessary with required prop, struts, planks, timbers, nails etc. including dewatering if necessary, complete for distribution system as per Technical Specifications per Employer's Requirements.

100 mm dia DI , K-7 pipe

150 mm dia DI , K-7 pipe

200 mm dia DI , K-7 pipe

250 mm dia DI , K-7 pipe

300 mm dia DI , K-7 pipe

400 mm dia DI , K-7 pipe

Design, supply, laying, Road Crossing, Culvert Crossing, Drain/ Nalla Crossing and commissioning of distribution pipe network by High Density polyethylene [ HDPE (PE80)] pipes including all specials confirming to IS 4984 and the specifications, including third party inspection, all taxes and duties, transportation, freight charges, loading and unloading, conveyance to the project site and stacking with cost of all labor and material , including excavation in trenches, dismantling of all type of pavements, sand bedding as required, backfilling of trenches and foundations with approved graded excavated materials and approved graded river sand as required including loading and unloading , Shuttering and shoring the earth at different levels in foundations where necessary with required prop, struts, planks, timbers, nails etc. including dewatering if necessary, complete for distribution system as per Technical Specifications per Employer's Requirements.for following pipe diameters.

110 mm - HDPE (m)

160 mm - HDPE (m)

200 mm - HDPE (m)

Valves and Appurtenances - supply, installation, testing and commissioning of manually operated Ductile Iron of DIN 1693 Grade - GGG 40/ GGG 50/ SG Iron of IS 1865 Grade - 400/12/500/7. Double Flanged Non Rising Type Sluice Valve (for control , wash out, DMA meters, fire hydrants) of various size as per CPHEEO, as per IS 14846/2000 (PD Type) PN 1.0 having seat of body/wedge face ring Gunmetal to IS 318 LTB 2, Stem SS AISI 410 with manual handhweel operation. Flange Drilled as per IS 1538 Table IV & VI Flat Face, including Ductile Iron companion Flange as per IS : 9523/2000 for installation of valves, Providing flanged joints to double flanged pipes and specials, all inclusive, with testing of joints and including supplying bolts, nuts and 3 mm thick rubber insertion sheet all complete as per Technical Specifications and as per direction of Engineer.

100 mm dia

150 mm dia

200 mm dia

250 mm dia

300 mm dia

400 mm dia

Supply, installation, testing and comissioning of manually operated Ductile Iron of DIN 1693 Grade GGG 40/50 or SG Iron of IS 1865 Grade 400/12, 500/7 Flanged End temper proof air valve as per AWWA C512 or IS 14845 of 80mm dia of PN 1.0 having seat ring nozzle gunmetal covered with EPDM float of chamber : SS AISI 304 with ductile iron slucie valve as per IS 14846 PN 1.0 having seat ring gunmetal to IS 318 LTB 2, Stem SS AISI 410 with manual handwheel operation flange drilled to IS 1538 Table IV & VI Flat Face inclduing Ductile Iron companion Flange as per IS : 9523/2000 for installation of valves, Providing flanged joints to double flanged pipes and specials, all inclusive, with testing of joints and including supplying bolts, nuts and 3 mm thick rubber insertion sheet all complete as per Technical Specifications and as per direction of Engineer.

Road Restoration Works

Sub Base & Base for restoration of existing asphalt/gravel road: Providing, and constructing granular sub-base with close graded grading-I material for 150 mm compacted thickness and wet mix mecadam with graded stone aggregate for 250 mm thickness including premixing the material with water at OMC in mechanical mixing plant, carting to work side, spreading and compacting etc complete for all leads and lifts as per drawing and specification.

Bituminous surface for restoration of existing asphalt road: Providing and laying Bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction and density as per specification, complete and as per directions of Engineer-in-Charge. 40/50 mm compacted thickness with bitumen of grade VG-30 @ 5.5% (percentage by weight of total mix) and lime filler @ 3% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity.

Dismantling & Restoration of paver block roads: Dismantling and Restoration of paverblock roads and disposal of dismantled materials up to a lead of 1000 m, stacking serviceable and unserviseable materials separately.

Valve Chambers - Design and Construction of RCC and Brick masonry chambers for valves including cost of reinforcement, PCC (1:4:8) and RCC (M20) work, cost of supply and bending and binding of steel with required shuttering, cost of brick work (230/ 350 mm thick Brickwork in CM 1:6) with plaster (10mm thick of 1:6) from inside and outside , precast slabs and supply and installation of SFRC frame and coves wherever required, including excavation,dewatering, formwork, backfilling, road restoration and all the miscellaneous items of work, but excluding the supply and installation of pipes and specials, valves etc. as per specification, approved design and drawings.( 1200 mm x 1200mm )

100 mm dia

150 mm dia

200 mm dia

250 mm dia

300 mm dia

400 mm dia

N.H. road crossing of Raw water , Clear water and distribution

Preparation of site for placement of Drilling Machinary including cutting jungle uprooting bambo and shush etc all complete, Transportation of all drilling equipments ,tools and plants,camp material, welding set, captive power generator, and all necessary accessories etc. including loading and unloading all complete, Mobilization of site camp for storing site materials as well as working personals and providing low cost sanitary facility including hire charge of camp materials such as table, chairs, utesile dress safety helmates etc and and dismantling the accomodation after completion of the work all complete, Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas(exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m of 210.56 cum, making horizontal bore hole of 1000mm dia as specified depth below the national highway as per approved modus of operation including passing carrier and cashing pipe of appropriate dia and length to serve as distribution/CWPM and RWPM including arranging all tools and plants drilling auger /bit etc. all complete of 35.00RM, Construction of 4 Anchor Blocks to support and protect from displacement of water pipe line espicialy at jointing portion of pipe and other vulnerable position anchor Block to be provided in the expose portion of pipe line, 219.8Sqm of priming coat with ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/ steel works,

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade, One or more coats on old work of 219.8Sqm, Steel work In gratings, frames, guard bar, ladder, railings, brackets, gates and similar works kg 142.30 welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc of 6912.81KG, Providing fitting fixing of 2 vent pipe of 20 mm dia and marker plate as per approved drawing and specification includnig drilling the casing pipe at rquired position welding and marking as required all complete, Providing 600KG of sealing materials of EPDM rubber of approved brand and manufacture including placing to fillup the annular space between casing and carrier pipe throughout the entire length after passing carrier pipe through the casing pipe all complete, carring laying of in position 150mm dia RWPR, 200 mm dia CWPM, 250 mm Dia Dis. Main, DI S&S pipes of 50.00RM each in line and level all complete, Providing rubber gusket joint to DI pipes and specials with testing the joints including carriage of materials but excluding the cost of rubber gusket of 36RM, Supply and stocking of 9Nos. of ISI marked blue epoxy coated DI Jeffy joints (Mechanical collers coupling)with full threaded nuts and boltsfor use with DI pipes as per technnical specification and as per Employer's Requirements

Railway track crossing of distribution

Preparation of site for placement of Drilling Machinary including cutting jungle uprooting bambo and shush etc all complete, Transportation of all drilling equipments ,tools and plants,camp material, welding set, captive power generator, and all necessary accessories etc. including loading and unloading all complete, site camp for storing site materials as well as working personals and providing low cost sanitary facility including hire charge of camp materials such as table, chairs, utesile dress safety helmates etc and and dismantling the accomodation after completion of the work all complete, Earth work, making horizontal bore hole of required dia as specified depth below the national highway as per approved modus of operation including passing carrier and cashing pipe of appropiate dia and length to serve as distribution/CWPM and RWPM including arranging all tools and plants drilling auger /bit etc. all complete, Construction of Anchor Block, Applying priming coat With ready mixed red oxide zinc chromate primer, Painting with synthetic enamel paint, Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel in gratings, frames, guard bar, ladder, railings, brackets, gates and similar works, Providing fitting fixing of vent pipe of 20 mm dia and marker plate, sealing materials of EPDM rubber, DI S&S pipes in line and level, rubber gusket joint to DI pipes and specials with testing the joints including carriage of materials, Supply and stocking of ISI marked blue epoxy coated DI Jeffy joints (Mechanical collers coupling)with full threaded nuts and botlsfor use with DI pipes including Amount payable to Railway Authority for according permission for railway track crossing as per Technical Specifications and all complete as per Employer's Requirements.

CONSTRUCTION OF ELEVATED SERVICE RESERVOIR

Construction, testing and commissioning of RCC Over head service reservoirs of Circular shape, RCC framed staging and capacities as given below at different locations under the command areas to be served. reservoirs have RCC Foundation including all necessary inlet/ outlet/ overflow/ draining etc. piping arrangement with control valves, M.S. ladder with guard ring for ascending to the inspection canopy and then to the Roof of the reservoir, Air Vent pipes, Manhole with frame & cover at roof, float operated inlet valve, calibrated water level indicator, lightening arrestor with earthing system, providing CC topping on bottom dome & conical dome inside the reservoir & CC Skirting on inner faces of reservoir wall, providing cement mortar plaster to all other exposed surfaces of the structure and painting of the RCC structure with weather resistant cement paint over priming coat & anti corrosive paint over a coat of lead primer to M.S. work, etc., all complete (as per all relevant BIS or ISO specification), all complete and specified as per Employer's Requirements.

Construction of Balance work of Over head service reservoirs of Circular shape, RCC framed staging and 750.00 cum capacity.

Design & Construction of Over head service reservoirs of Circular shape, RCC framed staging and 340.00 cum capacity.

Construction of Staff quarter

REINFORCED CEMENT CONCRETE WORKSReinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size de rived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form for

Chaja -Win.

Lintels, beams, plinth beams, girders, bressumers and cantilevers

REINFORCEMENT: Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:4 (1 cement : 4 coarse sand)

CEMENT PLASTER (IN COARSE SAND) 12 mm cement plaster of mix : 1:4 (1 cement: 4 coarse sand)

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete.

Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Brick on edge flooring with bricks of class designation 7.5 on a bed of 12 mm cement mortar, including filling the joints with same mortar, with common burnt clay non modular bricks: (1 cement : 4 coarse sand)

Structural steel work riveted, bolted or welded in built up sections, trussesband framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Applying priming coat:With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel work (second coat)

Providing corrugated G.S. sheet roofing including vertical / curvedsurface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to any pitch in horizontal/ vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

Providing ridges or hips of width 60 cm overall width plain G.S. sheet fixed with polymer coated J or L hooks, bolts and nuts 8 mm dia G.I. limpet and bitumen washers complete.

Providing wood work in frames of false ceiling, partitions etc. sawn and fixed in position with necessary stainless steel screws etc

Supply fitting and fixing in position A.C. board including necessary beats with screws etc. complete as directed

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length (hold fast lugs or dash fastener shall be paid for separately).

Providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows, fixing with butt hinges of required size with necessary screws, excluding panelling which will be paid for separately, all complete as per direction of Engineer-in-charge. (Note:- Butt hinges and necessary screws shall be paid separately)

With ready mixed pink or Grey primer of approved brand and manufacture on wood work (hard and soft wood)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

Providing and fixing IS : 12817 marked stainless steel butt hinges with stainless steel screws etc. complete :

Providing and fixing bright /matt finished Stainless Steel handles of approved quality & make with necessary screws etc all complete.

Providing and fixing ISI marked oxidised M.S. tower bolt black finish, (Barrel type) with necessary screws etc. complete :

Sanitary Installation

17.3 Providing and fixing white vitreous china pedestal type water closet (European type) with seat and lid, 10 litre low level white vitreous china flushing cistern & C.P. flush bend with fittings & C.I. brackets, 40 mm flush bend, overflow arrangement with specials of standard make and mosquito proof coupling of approved municipal design complete, including painting of fittings and brackets, cutting and making good the walls and floors wherever required :

Providing and fixing wash basin with C.I. brackets, 15 mm C.P. brass pillar taps, 32 mm C.P. brass waste of standard pattern, including painting of fittings and brackets, cutting and making good the walls wherever require:

Providing and fixing 8 mm dia C.P. / S.S. Jet with flexible tube upto 1 metre long with S.S. triangular plate to Eureopean type W.C. of quality and make as approved by Engineer - in - charge. each 299.35

Providing and fixing G.I. inlet connection for flush pipe connecting with W.C. pan.

Construction of Septic Tank

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas(exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge.

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)

REINFORCE CEMENT CONCRETE :1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

FORM WORK

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Cold twisted bars

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:4 (1 cement : 4 coarse sand)

Brick on edge flooring with bricks of class designation 7.5 on a bed of 12 mm cement mortar, including filling the joints with same mortar, with common burnt clay non modular bricks: 1:4 (1 cement : 4 coarse sand)

Construction of Boundary Wall : Construction of Boundary Wall with 1st class 112 mmthich Brick wall and 250 mm 250 mm RCC post as per drawing and Security Gate at Treatment Plant site-130 meter , ESR-II site- 64 meter and DTW-II site - 24 meter where the works included are:Earth Works, PCC, Reinforced cement concrete work, Form Work, Steel reinforcement for R.C.C. work, Brick work with common burnt clay F.P.S. (non modular) bricks, CEMENT PLASTER work, Painting, Earth Filling,wall finished with weather coat cement paint & gate finished with non glossy synthetic enamel paint over a coat of red lead primer), all complete, as directed and specified s per Employer's Requirements. ,

Drawing of Power line and sub-station at TP site:Construction of drawing power line At Treatment plant site for Silapathar Town Water Supply Scheme where the works included are: Supply of 63KVA Transformer, 11 KVA Cross arm, PSC Pole 8.50 meter length ,11 KVA DO Fuel set ,11 kva GAUGE OPT.SWITCH 1 SET, 11KVA lighting Arestor , HT stay set , HT Guy, Stay wire , 11KVA Disc Inc., CI earth pipe , Hand wave for disc, 11Kva pin Inc.MS Nut and Bolt, LTC meter No, Meter cabinet , Poer line etc as per technical specifications and employer’s requirement.

Internal Electrification works at staff quarter, chemical house, filter house and pump houseWiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit, two module stepped type electronic fan regulator, Supplying and fixing modular switch/ socket on the existing modular plate & switch box including connections but excluding modular plate, modules, GI box alongwith modular base & cover plate for modular switches in recess etc., Modular base & cover plate on existing modular metal boxes, brass batten/ angle holder including connection etc, call bell/ buzzer suitable for single phase, 230 V, Installation, testing and commissioning of ceiling fan, including wiring the down rods of standard length, exhaust fan, MCCB with thermomagnetic release and terminal spreaders, MCB distribution board, A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker including NS items as per technical specifications and employer’s requirement.

Supplying / installation/ testing & commissioning of main panel board Treatment Plant site Supplying fabrication & erection , testing , commissioning of vermin and dust proof (P-43 protection ) totally enclosed cubical type compartmental floor mounting panel board as per required size and provisions for accessories, supplying of MCCB 40Amp for clear water pump set, MCCB 16Amp for vaccuam pump- 1, MCCB for external & internel lighting-2, Starter for vaccum pump-1, mounting open execution 415V, 50Hz, 4p MCCB, PVC/XLPE insulated and PVC sheathed 1.1kv grade solid aluminium conductor, cupper plate earth station, Extra for usingsalt 5 K and charcol 96 k GI/ copper plate earth station pit, 8 SWG copper .Earth from earth electrode (below G.L.), all necessary wirings, Premium model 1200mm sweep, 1050/1200 mm sweep SS-390 Deco, 18/20 W CFL lamp of required technical specification, quantity and employer’s requirement.

Trial Run: 3(three) month Trial Run of the complete water supply scheme after successful commissioning of all the system component including payment of wages for all pump operator, treatment plant operator, Khalashi, Plumber, Electrician, helper etc.; payment of electrical power tariff & load charges for intake station & treatment plant; providing POL for the Captive Power Generators; and, supplying all necessary chemicals, disinfectants, laboratory reagent etc., all complete, as directed and specified

DIGANTA GOGOI