Kerala Water Authority Tender

100.1.5:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50 m, in Ordinary Rock.

100.1.9:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in Hard Rock Requiring Blasting.

100.1.13:Excavating trenches of required width for pipes, cables, etc., including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5m, including getting out the excavated soil, and then returning the soil as required, in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering, etc., and disposing of surplus excavated soil as directed, within a lead of 50m, in Hard Rock where Blasting is Prohibited.

15.3:Demolishing R.C.C. work manually / by mechanical means including stacking of steel bars and disposal of unserviceable material with in 50 metres lead as per direction of Engineer -in-Charge.

100.9.11:Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 160 mm nominal outside diameter pipes.

100.9.8:Laying uPVC pipes of class 2 to class 6 and specials, lowering to the trenches already made, placing in position aligning the pipeline to the lines and levels and jointing the pipes and specials with solvent cement and testing the pipeline with water to the required test pressure (excluding cost of pipes and specials): 90 mm nominal outside diameter pipes.

OD163726/2022-2023:Interconnecting newly laid pipe line to the existing 250mm/200mm/160mm/140mm/110mm pipe line towards branch road using equal tee and connected items including labour charges for necessary earthwork excavation and filling charges cost of specials etc complete as per the direction of departmental officers

Supply of pipes and materials

100.98.226:Supply of PVC Pipe, 8kg/cm2, 160mm Dia.

100.98.236:Supply of PVC Pipe, 10kg/cm2, 90mm Dia.

18.68.1:Providing and laying D.I specials of class K - 12 suitable for push - on jointing as per IS : 9523 :Upt 600 mm dia

18.69.1:Providing and laying D.I Specials of Class K - 12 suitable for mechanical jointing as per IS : 9523 :Upto 600 mm dia

OD310200/2023-2024:Cost of PVC specials (Bends, Tee, coupler, Tailpiece, end caps, solvent cement,CID/CIR etc )

100.37.5.2:Fabricating M.S. flanges of diameter 100mm using 12mm thick M.S. plate including cost and conveyance charges of M.S. plate, all fabrication charges, charges of painting the steel work with two or more coat deluxe multi surface paint to give an even shade over an under-coat of primer etc., complete: For pipes fabricated with 8mm thick M.S. plates.

100.37.5.1:In situ fabrication of M.S. pipes of size 100mm (I.D.) using 8mm thick M.S. plate including cost and conveyance charges of M.S. plate, all fabrication charges, charges of painting the steel work with two or more coat deluxe multi surface paint to give an even shade over an under-coat of primer etc., complete.

100.37.6.3:Cutting 150mm (I.D.) M.S. pipes for making bends and other specials by gas cutting including cost of gas, all labour and hire charges of tools etc., complete: For pipes fabricated with 8mm thick M.S. plates.

100.37.6.4:Welding 150mm (I.D.) M.S. pipes for making bends and other specials by gas/electric welding machine including cost of gas and welding rods, all labour and hire charges of tools etc., complete: For pipes fabricated with 8mm thick M.S. plates.

100.37.6.5:Grinding cut and weld edges of 150mm (I.D.) M.S. pipes during fabrication work including all labour and hire charges of tools etc., complete: For pipes fabricated with 8mm thick M.S. plates.

100.98.449:Supply of CI Air Valve with Flanges, Conforming to IS 14845 - 2000, Kinetic Air Valve Type DS1, Size 50mm.

100.98.458:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 100mm.

18.12.2:Providing and fixing G.I. pipes complete with G.I fittings including trenching and refilling etc. External work20 mm dia nominal bore

18.12.8:Providing and fixing G.I. pipes complete with G.I fittings including trenching and refilling etc. External work80 mm dia nominal bore

18.13.2:Making connection of G.I. distribution branch with G.I main of following sizes by providing and fixing tee, including cutting and threading the pipe etc. complete:50 to 80 mm nominal bore

100.32.3:Conveying and fixing C. I. Double Acting Air Valve of approved quality with bolts, nuts, rubber insertions etc., complete, but excluding the cost of air valve (tail pieces, if required, will be paid separately): 50mm Double Acting Air Valve.

Construction of valve chambers

2.8.1:Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil

4.1.3: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 (cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

100.98.440:Supply of CI Air Valve, Conforming to IS 14848 - 2000, Single Orifice, Small Orifice Type S1, Size 25mm.

100.32.1:Conveying and fixing C. I. Single Acting Air Valve of approved quality with bolts, nuts, rubber insertions etc., complete, but excluding the cost of air valve (tail pieces, if required, will be paid separately): 25mm Single Acting Air Valve.

100.98.457:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 80mm.

100.31.2.1:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 80mm diameter, Class II.

100.98.458:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 100mm.

100.31.2.2:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 100mm diameter, Class II.

100.31.2.4:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 150mm diameter, Class II.

100.98.460:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 150mm.

5.1.2:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size

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

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

Construction of sump and Steel Tank of 1.0 LL capacity near Thudayanoor

OD90702/2024-2025:Designing and preparation of drawing and obtaining approvals from the competent authority(WASCON ,KWA)

2.8.1:Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil

2.7.1: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 disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.Ordinary rock

2.26.1:Extra for every additional lift 1.5 m or part there of in excavation / banking excavated or stacked materials.All kinds of soil

4.1.6:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:3:6 ( 1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size)

5.33.1:Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer - in-charge. Note:- Cement content considered in this item is @ 330 kg/ cum. Excess or less cement used as per design mix is payable or recoverable separately.All work upto plinth level

5.33.2:Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer - in-charge. Note:- Cement content considered in this item is @ 330 kg/ cum. Excess or less cement used as per design mix is payable or recoverable separately.All work above plinth level upto floor V level

5.34.1:Extra for providing richer mixes at all floor levels. Note:- Excess/less cement over the specified cement content used is payable/ recoverable separately.Providing M-30 grade concrete instead of M-25 grade BMC/RMC. (Note:- Cement content considered in M-30 is @ 340 kg/cum).

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

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

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

5.9.6:Centering and shuttering including strutting, etc. and removal of form for:Columns, Pillars, Piers, Abutments, Posts and Struts

5.9.3:Centering and shuttering including strutting, etc. and removal of form for:Suspended floors, roofs, landings, balconies and access platform

5.9.7:Centering and shuttering including strutting, etc. and removal of form for:Stairs, (excluding landings ) except spiral - staircases)

50.6.1.2:Solid block masonry using pre cast solid blocks (Factory made) of size 40x20x20cm or nearest available size confirming to IS 2185 part I of 1979 for super structure up to floor two level thickness 20cm and above in: CM 1:6 ( 1 cement: 6 coarse sand) etc complete.

10.26.3:Providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approves steel primer.G.I. pipes

13.9.1:Cement plaster 1:3 ( 1 cement : 3 coarse sand) finished with a floating coat of neat cement.12 mm cement plaster

13.21:Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the manufacturers.

13.46.1:Finishing walls with Acrylic Smooth exterior paint of required shade:New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 2.20 kg/10 sqm)

13.48.1:Finishing with Deluxe Multi surface paint system for interiors and exteriors using primer as per manufacturers specifications:Two or more coats applied on walls @ 1.25 ltr/10 sqm over and including one coat of special primer applied @ 0.75 ltr /10 sqm

13.48.3:Finishing with Deluxe Multi surface paint system for interiors and exteriors using primer as per manufacturers specifications:Painting Steel work with Deluxe Multi Surface Paint to give an even shade. Two or more coat applied @ 0.90 ltr/10 sqm over an under coat of primer applied @ 0.80 ltr/10 sqm of approved brand and manufacture

13.71:Lettering with black Japan pint of approved brand and manufacture

10.25.2:Item Shifted to Sub head 14 as item 14.73 Item Shifted to head 14 as item 14.74 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

5.2.2: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. up tot floor five level excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3( 1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)

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

100.98.428:Supply of CI Non Return Valve, Conforming to IS 5312 Part I - 1984, PN 1.6, Size 80mm.

100.31.1.1:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 80mm diameter, Class I.

100.31.1.2:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 100mm diameter, Class I.

100.31.1.4:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 150mm diameter, Class I.

100.31.1.5:Conveying and fixing C.I. sluice valves (with cap) by providing bolts, nuts, rubber insertions etc., complete, but excluding the cost of the valve (tail pieces, if required, will be paid separately): 200mm diameter, Class I.

100.98.472:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.0, Size 150mm.

100.98.473:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.0, Size 200mm.

13.1.2:12 mm cement plaster of mix:1:6 (1 cement : 6 fine sand).

18.68.1:Providing and laying D.I specials of class K - 12 suitable for push - on jointing as per IS : 9523 :Upt 600 mm dia

18.69.1:Providing and laying D.I Specials of Class K - 12 suitable for mechanical jointing as per IS : 9523 :Upto 600 mm dia

18.30.4:Providing flanged joints to double flanged C.I./ D.I pipes and specials, including testing of joints:150 mm diameter pipe

100.36.1:Filling water with 5000 litre tankers fited in lorry and conveying water from a distance of 5 km (average) to the reservoir site and pumping the water into the reservoir of height not less than 3 m using 5 HP diesel engine pump set , hire for tanker lorry, tools and other appliences and cost of water etc. complete.

OD90658/2024-2025:Supply, installation and commissioning of a pre-engineered, pre- fabricated, factory manufactured steel<br>storage Water Tank having a capacity of 100000 L for the storage and supply of Potable Drinking Water<br>with corrugated section Zinc Aluminium steel sheet for the shell<br>in minimum thickness of 0.6 mm, in multiple layers as required for the capacity and height of the tank and<br>multiple-layered PE sheet/membrane for the inner containment liner.The Tank Shell / Body & the Liner<br>material shall be manufactured in a facility certified and compliant to ISO 9001 ? 2000 standards. The<br>Tank shall be supplied with access points, penetrations for inlets, outlets, drains and fittings, overflow and<br>drain, high and low water level indicators.All connections to the tanks shall be with flanged or threaded<br>nozzles, placed to the KWA water mains<br>TANK ROOF<br>The roof of the tank shall be of corrugated Galvalume sheet steel and shall be domed, with heavy- duty<br>Hot-dip Galvanized truss frame for support, and capable of supporting 4-5 persons for maintenance and<br>cleaning and tank shall have an access hatch with cover, on the roof, for operation and Maintenance.<br>TANK COVER<br>Tank covers shall be of approved galvanized vermin proof construction. Roof ends shall be fitted with<br>suitable vermin-proofing tape or other material, to prevent ingress of dust and foreign objects. Covers<br>shall be firmly fixed to the top edge of the tank with galvanized bolts and nuts.<br>LADDERS<br>Tanks shall be provided with Hot-dip Galvanized ladders internally or externally. External roof supports<br>shall be of an appropriately designed Hot-dip galvanized steel construction. Tanks shall comply with<br>relevant spill level, air gap and overflow requirements relative to Effective Capacity. All nuts and bolts<br>used for the panels shall be a minimum of 12mm size and hot-dip galvanized/Case hardened. The tank<br>shall have a circular angle fixed around the total circumference of the tanks, at the top, of minimum 2 mm<br>thickness.Tanks shall be properly flushed out with clean water prior to being brought into service.<br>TANK DIMENSIONS<br>The dimensions of the Tank shall be of 3.56 m in diameter and 2.58 m in height DESIGN LIFE<br>The tanks shall have a design life of 50 years.<br>TANK CONNECTIONS<br>Standard design valve outlet connection : One No. 80 mm CI Flanged valve.<br>ii) Overflow connection including an internal approved bell-mouth shaped bends to maximize the overflow<br>capacity. ? One no. 100 mm.<br>iii) One (1) scour drain outlet from the floor of the tank with isolation valve. One No. 100 mm<br>TANK LINERS<br>Tank liners shall be purpose-designed and manufactured and shall comply to AS/NZS 4020 (Appendix A)<br>of 2005 and ANSI/NSF 61 ? 2008, Section 5 Certificates of compliance to above standards shall be<br>furnished by the manufacturer of the tanks.<br>Tank liners shall:<br>i) Be factory manufactured to one- piece construction, fabricated from multi-layer PE sheet, certified for<br>potable drinking water, to ANSI NSF 61 and duly UV Stabilized.<br>ii) Be of PE (polyethylene) in multi-layer construction for strength, reinforced with woven scrim industrial<br>fabric to prevent elongation and enhance tensile strength.<br>The contact surface shall be of Metallocene layer.<br>iii) The total liner material thickness shall be no less than 0.8 mm thick The tensile strength shall not be less than 2266 N (warp) and 2495 N (weft) and heat sealing strength<br>of 2056 N<br>v) All the liner welded lap joints shall be strengthened with Metallocene encapsulating tape welded over<br>the overlap.<br>vi) The Metallocene tape shall cover and protect the exposed material at the edges of the liner joints to<br>further prevent the ingress of water into the scrim.<br>vii) Liners shall be positively and continuously attached to the top outer edge of the circumference of the<br>tank to prevent entry of water from the runoff from the roof structure.<br>viii) All liners on tanks over 2 m in height shall have a continuous intermediate liner support designed out<br>of nylon (or other material)cord, around the circumference of the tank, at vertical intervals corresponding<br>to the level of each ring.<br>ix) The intermediate liner support cords shall be firmly secured to the steel shell at each level, to prevent<br>stress on the liner welded joints, and thereby eliminate possibility of failure<br>CORROSSION PROTECTION<br>The tank structure shall have a secondary corrosion protection system using sacrificial magnesium<br>anodes. The number of anodes, their location around the tank and the mass of each anode shall be<br>designed for anode replacement frequency of five years.<br>The anodes shall be installed external to the tank and concrete apron with their location marked with a<br>suitably label& etc all complete-5 year warranty.

100.98.482:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Hand Wheel PN 1.6, Size 100mm.

100.98.484:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Hand Wheel PN 1.6, Size 150mm.

18.73.1:Providing and laying Double Flanged ( Screwed / Welded ) Centrifugally (Spun) Ductile Iron Pipes of Class K - 9 conforming to IS: 8329 :100 mm dia Ductile Iron Double Flanged

18.73.2:Providing and laying Double Flanged ( Screwed / Welded ) Centrifugally (Spun) Ductile Iron Pipes of Class K - 9 conforming to IS: 8329 :150 mm dia Ductile Iron Double Flanged

18.73.3:Providing and laying Double Flanged ( Screwed / Welded ) Centrifugally (Spun) Ductile Iron Pipes of Class K - 9 conforming to IS: 8329 :200 mm dia Ductile Iron Double Flanged

OD306958/2023-2024:Providing ventilating arrangment to the tank over the roof slab using 150mm GI medium pipe,-0.5m, 150mm GI Tee-1Nos,150mm GI 900 bend-2Nos of the both end of the Tee and closing the end of the bend with perforated GI sheet welded to the bond, and painting with black japan paint /syntatic enamel paint two coat over a priming coat etc complete and fixing the same in position etc

OD306961/2023-2024:Supply & Erection pressure gauge - Intet and Outlet

OD306962/2023-2024:Providing standarded pipe earth station for<br>lightening arrester with 40 mm dia 3.75m long<br>class B.GI pipe confirminng IS (latest edition)<br>including supply of all materials and providing<br>chamber and cover etc.complet

13.50.3:Applying priming coat:With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron /steel works

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

13.52.1:Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer's specifications including appropriate priming coat, preparation of surface, etc. complete.On steel work

Water Supply to elevated zones

2.6.1: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 disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.All kinds of soil

4.1.3: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 (cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size)

5.2.2: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. up tot floor five level excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3( 1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)

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

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

OD307675/2023-2024:Supplying Mobile operated GSM based module for operation of starters and controllers from anywhere using mobile phone with design tested to perform reliably even in extreme environmental conditions, suitable for single phase and three phase installations, communication with IVRS in local languages, 3user can control the operation, power fail and feed back SMS in regional languages, four different &quot;time of day&quot; can be set in a day for pump operation, controls daily operations of a pump for pre-defined periods and ease of operation with advanced facilities such as auto switch off while dry run with in fraction of seconds, low voltage preventer, phase change preventer, low voltage cut off, online monitoring system etc of reputed make.

OD307700/2023-2024:Supplying, conveying ,installation, trial run and commissioning of centrifugal pump of capacity as specified in the measurement part including pump motor, panel board, starter, cable, capacitor, suction pipe, sluice valve, pipe connections upto valve, earthing, erection, trial runDry run Protector, and commissioning for 2 year maintenance at Vayyanam ward- Idakarikathathil, pumpsets @ 2lps and 25m head

OD90644/2024-2025:Supplying, conveying ,installation, trial run and commissioning of centrifugal pump of capacity as specified in the measurement part including pump motor, panel board, starter, cable, capacitor, suction pipe, sluice valve, pipe connections upto valve, earthing, erection, trial run,Dry run Protector Dry run Protector , and commissioning for 2 year maintenance at Vayyanam ward- Kuttiyittavila road, pumpsets @ 3 lps discharge and 25m head

OD90648/2024-2025:Supplying, conveying ,installation, trial run and commissioning of centrifugal pump of capacity as specified in the measurement part including pump motor, panel board, starter, cable, capacitor, suction pipe, sluice valve, pipe connections upto valve, Dry run Protector,earthing, erection, trial runDry run Protector Dry run Protector , and commissioning for 2 year maintenance - Tank cum pumphouse from nearby pond to inchimukk- 2 lps discharge, with 25 m head

OD90653/2024-2025:Supplying, conveying ,installation, trial run and commissioning of centrifugal pump of capacity as specified in the measurement part including pump motor, panel board, starter, cable, capacitor, suction pipe, sluice valve, pipe connections upto valve, earthing, erection, trial runDry run Protector Dry run Protector , and commissioning for 2 year maintenance- To Kozhiyodu temple site - 2 lps discharge and 35m head

OD125704/2024-2025:Site survey, Design, supply, installation trial-running, commissioning of mechanical pressure filter unit of output capacity 0.050 mld, consisting of the following components with manual operation and minimum pressure loss.Pressure filter unit with sand filter vessel of carbon steel(IS 2062) having shell thickness 10 m.m and dish 12 m.m with epoxy coating out side and GRP lining inside suitable for an operating pressure of 4 kg/cm2 and test operating pressure of 6kg/cm2 and test pressure of 10kg/cm2. Filter with MS specials disc plate fitted at bottom for collection chamber and filter charmer having filter media consisting of pebbles of 400 m.m height and sand having 625 m.m height of effective size of 0.6 and uniformity coefficient 1.3 to 1.7 with disc type strained. Providing foundation including necessary trenching works as per the dia of pressure filtter required depth and providing RCC 1:2:4 mix using 10 m.m dia bar laid 15 c.c C/C at both directions and providing R.R masonry foundation in the same width and length and required height above groud and providing RCC 1:2:4 mix using 10 m.m DIa bar 15 cm C.C and firmly fixing the filter unit as per the direction of departmental officers

10.25.2:Item Shifted to Sub head 14 as item 14.73 Item Shifted to head 14 as item 14.74 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

12.1.3:Providing corrugate G.S. sheet roofing including vertical/ curved surface 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.0.63 mm thick with zinc coating not less than 275 gm/m2

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

6.4.2A:Cement mortar 1:6 (1 cement : 6 coarse sand)(above plinth level below floor 2 level)

100.98.428:Supply of CI Non Return Valve, Conforming to IS 5312 Part I - 1984, PN 1.6, Size 80mm.

13.1.2:12 mm cement plaster of mix:1:6 (1 cement : 6 fine sand).

18.17.1:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :25 mm nominal bore

18.17.6:Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) :80 mm nominal bore

OD90659/2024-2025:Supply, installation and commissioning of a pre-engineered, pre- fabricated, factory manufactured steel&lt;br&gt;storage Water Tank having a capacity of 10000 L for the storage and supply of Potable Drinking Water&lt;br&gt;with corrugated section Zinc Aluminium steel sheet for the shell&lt;br&gt;in minimum thickness of 0.6 mm, in multiple layers as required for the capacity and height of the tank and&lt;br&gt;multiple-layered PE sheet/membrane for the inner containment liner.The Tank Shell / Body &amp; the Liner&lt;br&gt;material shall be manufactured in a facility certified and compliant to ISO 9001 ? 2000 standards. The&lt;br&gt;Tank shall be supplied with access points, penetrations for inlets, outlets, drains and fittings, overflow and&lt;br&gt;drain, high and low water level indicators.All connections to the tanks shall be with flanged or threaded&lt;br&gt;nozzles, placed to the KWA water mains&lt;br&gt;TANK ROOF&lt;br&gt;The roof of the tank shall be of corrugated Galvalume sheet steel and shall be domed, with heavy- duty&lt;br&gt;Hot-dip Galvanized truss frame for support, and capable of supporting 4-5 persons for maintenance and&lt;br&gt;cleaning and tank shall have an access hatch with cover, on the roof, for operation and Maintenance.&lt;br&gt;TANK COVER&lt;br&gt;Tank covers shall be of approved galvanized vermin proof construction. Roof ends shall be fitted with&lt;br&gt;suitable vermin-proofing tape or other material, to prevent ingress of dust and foreign objects. Covers&lt;br&gt;shall be firmly fixed to the top edge of the tank with galvanized bolts and nuts.&lt;br&gt;LADDERS&lt;br&gt;Tanks shall be provided with Hot-dip Galvanized ladders internally or externally. External roof supports&lt;br&gt;shall be of an appropriately designed Hot-dip galvanized steel construction. Tanks shall comply with&lt;br&gt;relevant spill level, air gap and overflow requirements relative to Effective Capacity. All nuts and bolts&lt;br&gt;used for the panels shall be a minimum of 12mm size and hot-dip galvanized/Case hardened. The tank&lt;br&gt;shall have a circular angle fixed around the total circumference of the tanks, at the top, of minimum 2 mm&lt;br&gt;thickness.Tanks shall be properly flushed out with clean water prior to being brought into service.&lt;br&gt;TANK DIMENSIONS&lt;br&gt;The dimensions of the Tank shall be of 3.56 m in diameter and 2.58 m in height DESIGN LIFE&lt;br&gt;The tanks shall have a design life of 50 years.&lt;br&gt;TANK CONNECTIONS&lt;br&gt;Standard design valve outlet connection : One No. 80 mm CI Flanged valve.&lt;br&gt;ii) Overflow connection including an internal approved bell-mouth shaped bends to maximize the overflow&lt;br&gt;capacity. ? One no. 100 mm.&lt;br&gt;iii) One (1) scour drain outlet from the floor of the tank with isolation valve. One No. 100 mm&lt;br&gt;TANK LINERS&lt;br&gt;Tank liners shall be purpose-designed and manufactured and shall comply to AS/NZS 4020 (Appendix A)&lt;br&gt;of 2005 and ANSI/NSF 61 ? 2008, Section 5 Certificates of compliance to above standards shall be&lt;br&gt;furnished by the manufacturer of the tanks.&lt;br&gt;Tank liners shall:&lt;br&gt;i) Be factory manufactured to one- piece construction, fabricated from multi-layer PE sheet, certified for&lt;br&gt;potable drinking water, to ANSI NSF 61 and duly UV Stabilized.&lt;br&gt;ii) Be of PE (polyethylene) in multi-layer construction for strength, reinforced with woven scrim industrial&lt;br&gt;fabric to prevent elongation and enhance tensile strength.&lt;br&gt;The contact surface shall be of Metallocene layer.&lt;br&gt;iii) The total liner material thickness shall be no less than 0.8 mm thick The tensile strength shall not be less than 2266 N (warp) and 2495 N (weft) and heat sealing strength&lt;br&gt;of 2056 N&lt;br&gt;v) All the liner welded lap joints shall be strengthened with Metallocene encapsulating tape welded over&lt;br&gt;the overlap.&lt;br&gt;vi) The Metallocene tape shall cover and protect the exposed material at the edges of the liner joints to&lt;br&gt;further prevent the ingress of water into the scrim.&lt;br&gt;vii) Liners shall be positively and continuously attached to the top outer edge of the circumference of the&lt;br&gt;tank to prevent entry of water from the runoff from the roof structure.&lt;br&gt;viii) All liners on tanks over 2 m in height shall have a continuous intermediate liner support designed out&lt;br&gt;of nylon (or other material)cord, around the circumference of the tank, at vertical intervals corresponding&lt;br&gt;to the level of each ring.&lt;br&gt;ix) The intermediate liner support cords shall be firmly secured to the steel shell at each level, to prevent&lt;br&gt;stress on the liner welded joints, and thereby eliminate possibility of failure&lt;br&gt;CORROSSION PROTECTION&lt;br&gt;The tank structure shall have a secondary corrosion protection system using sacrificial magnesium&lt;br&gt;anodes. The number of anodes, their location around the tank and the mass of each anode shall be&lt;br&gt;designed for anode replacement frequency of five years.&lt;br&gt;The anodes shall be installed external to the tank and concrete apron with their location marked with a&lt;br&gt;suitably label& etc all complete

OD309819/2023-2024:CENTRIFUGAL PUMP FOR SUMP AT Thudayanoor to Steel tank at Thudayanoor : Design, Manufacture, Supply, Installation, Testing and Commissioning (DMSITC) of Horizontal Centrifugal pump conforming to IS 6595: 2018 with latest amendments coupled with 415 V electric motor conforming to relevant Indian Standards suitable for discharging 5 lps at 20 m (total dynamic head). The electric motor shall be suitable for operation with VFD and compatible for automation. The electric motor shall be suitable for operation with VFD and compatible for automation. The mechanical efficiency of the pump shall be as specified in the DTS and the efficiency of the electrical motor shall be IE3 rated according to IS 12615: 2018. All other components, accessories, safeties, protections, conditions etc. as specified in the detailed technical specification shall be complied with. The specified head and delivery shall be achieved when two pumps are working in parallel. The pump set shall be installed in the existing foundation. Two year maintenance gurarentee.

OD309822/2023-2024:CENTRIFUGAL PUMP FOR SUMP AT existing vayala to existing Kalyanimukku OHSR : Design, Manufacture, Supply, Installation, Testing and Commissioning (DMSITC) of Horizontal Centrifugal pump conforming to IS 6595: 2018 with latest amendments coupled with 415 V electric motor conforming to relevant Indian Standards suitable for discharging 30 lps at 86 m (total dynamic head) and actual head shall be ascertained during execution . The electric motor shall be suitable for operation with VFD and compatible for automation. The electric motor shall be suitable for operation with VFD and compatible for automation. The mechanical efficiency of the pump shall be as specified in the DTS and the efficiency of the electrical motor shall be IE3 rated according to IS 12615: 2018. All other components, accessories, safeties, protections, conditions etc. as specified in the detailed technical specification shall be complied with. The specified head and delivery shall be achieved when two pumps are working in parallel. The pump set shall be installed in the existing foundation with including cost of alterations.2 year warranty.

OD309818/2023-2024:Supply and installation of flow meters and accessories of size 200 mm -Supplying an Electro Magnetic Flow meter confirming to protection level of IP-68 for Flow sensor and IP 67 for transmitter and having an accuracy level of 0.5% with LED /LCD display unit. The flow meter should have the housing (Flow sensor) to be made of ISS304/Carbon steel with anti corrosive protection and inside liner to be made up to Hard Rubber/neoprene all confirming to drinking water standards. The flow meter should be coupled with HART for data acquisition and transfer with provision for wireless transfer through GSM. The manufacturer should have the calibration standards as per ISO 17025 and the product shall have sufficient warranty provisions vide circular no. KWA /HO/SP-4014/2012/Flow meter and Soft starter dt 5/9/2012.The flow meter has to be installed after cutting the existing 200 mm pumping main fixing the necessary flange pipes and all other required accessories as per the directions of department officers-Test certificate from FCRI Palakkad/

OD90697/2024-2025:Supply and installation of flow meters and accessories of size 100 mm -Supplying an Mechanical Flow meter confirming to protection level of IP-68 for. The flow meter should have the housing (Flow sensor) to be made of ISS304/Carbon steel with anti corrosive protection and inside liner to be made up to Hard Rubber/neoprene all confirming to drinking water standards. The flow meter should be coupled with HART for data acquisition and transfer with provision for wireless transfer through GSM. The manufacturer should have the calibration standards as per ISO 17025 and the product shall have sufficient warranty provisions vide circular no. KWA /HO/SP-4014/2012/Flow meter and Soft starter dt 5/9/2012.The flow meter has to be installed after cutting the existing 200 mm pumping main fixing the necessary flange pipes and all other required accessories as per the directions of department officers-Test certificate from FCRI Palakkad.