Kerala Water Authority Tender

15.5:Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work ( Payment shall be made on the cross sectional area of R.C.C. or R.B work) as per direction of Engineer-in-charge.

15.10.2:Dismantling dressed stone work ashlar face stone work, marble work or precast concrete work manually / by mechanical means including stacking of serviceable and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-Charge:In cement mortar

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

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

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

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

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

5.9.5:Centering and shuttering including strutting, etc. and removal of form for:Lintels, beams, plinth beams, girders bressumers and cantilevers

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

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

5.11.1:Extra additional height in centering, shuttering where ever required with adequate bracing, propping etc. including cost of de-shuttering and decentering at all levels, over a height of 3.5m, for every additional height of 1 metre or part thereof (Plan area to be measured).Suspended floors, roofs, landing, beams and balconies (Plan area to be measured)

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

OD279488/2022-2023:Supplying, conveying and fixing 560mm dia. CI Man hole cover with frame(Heavy duty) weighing not less than 208kg in position as per direction.

13.4.1:12 mm cement plaster of mix:1:4 ( 1 cement : 4 coarse sand)

13.7.1:12 mm cement plaster finished with a floating coat of neat cement of mix:1:3 ( 1 cement : 3 fine sand)

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

13.44.1:Finishing walls with water proofing cement paint of required shade:New work (Two or more coats applied @ 3.84 kg/10 sqm)

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

13.52.1: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

10.28:Providing and fixing stainless steel (Grade 304) railing made of Hollow tubes, channels, plates etc., including welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary stainless steel nuts and bolts complete, i/c fixing the railing with necessary accessories & stainless steel dash fasteners, stainless steel bolts etc., of required size on the top of the floor or the side of waist slab with suitable arrangement as per approval of Engineer-in-charge, (for payment purpose only weight of stainless steel members shall be considered excluding fixing accessories such as nuts, bolts, fasteners etc.)

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.

100.41.33:Supplying and fixing 500mm dia C.I. manhole cover with frame (medium duty) charges including all cost, labour charges etc., complete.

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

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

50.6.1.6:Solid block masonry using pre cast solid blocks (Factory made) of size 30x20x20cm or nearest available size confirming to IS 2185 part I of 1979 for super structure above floor two level upto floor five level thickness 20cm and above in : CM 1:6 ( 1 cement : 6 coarse sand sand) etc complete

OD74961/2023-2024: Supplying and fixing 150 mm wall casting pipe

OD74963/2023-2024:Supplying and fixing 200 mm wall casting pipe including specials as per Direction of dept officers

OD74968/2023-2024:Supplying and fixing 250 mm wall casting pipe

OD66517/2023-2024:Supply and fixing lightning arrestor

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

18.73.4:Providing and laying Double Flanged ( Screwed / Welded ) Centrifugally (Spun) Ductile Iron Pipes of Class K - 9 conforming to IS: 8329 :250 mm dia Ductile Iron Double Flanged

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

18.30.5:Providing flanged joints to double flanged C.I./ D.I pipes and specials, including testing of joints:200 mm diameter pipe

18.30.6:Providing flanged joints to double flanged C.I./ D.I pipes and specials, including testing of joints:250 mm diameter pipe

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

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.

100.31.2.5: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 II.

100.31.2.6: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): 250mm diameter, Class II.

OD279489/2022-2023:Providing ventilation arrangement to the tank using 80 mm GI pipe and bend , fixing in the roof slab including painting, net in the open end for entry of flies etc complete as directed.

OD81864/2023-2024:Providing water level indicator assemblying by using float,pully,nylon rope,plump bob with indicator<br>lamp,MS board(30cm width) with sufficient depth to show the zero water level and full depth to show the<br>zero water level and full water level,painting 10 cm divisions,lettering including cost for clamps,drilling of<br>RCC slabs etc.complete

13.53.1:Painting on G.S. sheet with synthetic enamel paint of approved brand and manufacture of required colour to given an even shade:New work (two or more coats) including coat of approved steel primer but excluding a coat of mordant solution.

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.

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

10.6.1:Supplying and fixing rolling shutters of approved make, made of required size M.S. laths, interlocked together through their entire length and jointed together at the end by end locks, mounted on specially designed pipe shaft with brackets, side guides and arrangements for inside and outside locking with push and pull operation complete, including the cost of providing and fixing necessary 27.5 cm long wire springs manufactured from high tensile steel wire of adequate strength conforming to IS: 4454 - part 1 and M.S. top cover of required thickness for rolling shutters.80x1.25 mm M.S. laths with 1.25 mm thick top cover

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

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

100.98.461:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 200mm.

100.98.462:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 250mm.

5.1.3: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:1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

App (B): Supply, Erection & Commissioning of Centrifugal Horizontal Split Cage Pump Pumpset at WTP Malankavu

OD66754/2023-2024:Supply , erection, testing, Trial run and commissioning of CF pump set with the following specification - 1. Pump - Supply, erection, testing and commissioning of KWA pre-qualified reputed make centrifugal pump sets with Bronze/SS impeller, SS shaft and CI pump casing with suitable types base plate with coupling, coupling guard, foundation bolts and nuts etc. complete including providing suitable concrete foundation including cost of material etc. complete. as per CEA regulation 2010 and present code of practice for an operating total Head 50.3 m – Discharge 29 lps- including 1 as stand by including cost of all required protection equipment with an efficiency not less than 75%, Suction head – positive suction, 2. Motor Supply, erection, testing and commissioning of KWA prequalified reputed make horizontal solid shaft foot mounted TEFC squirrel cage induction motor suitable for the above pump working on 3 phase 50 Hz Ac supply, working voltage 415V/3300 V(select suitable), 1500rpm. The motor shall confirm to Latest IE standards, including providing suitable concrete foundation, including cost of materials etc. complete for 3300 V motors digital motor protection. Relay shall be included in starter as per present IE rules. . Flexible coupling shall be used for coupling of pumps and motors 3. Starter. Supply erection testing and commissioning of suitable rating (Fully automatic starter with air break contact for less than 100 HP and for above 100 HP FCMA starter to be used) Here soft starter to be provided. Starter suitable for the above motor with over voltage and under voltage protection, single phase preventor, overload relay with motor protection relay with main contactor and bye pass contactor as per IE rules and code of practice etc complete 4. Panel board - Supply , erection, testing and commissioning of cubical type wall mounted MS fabricated dust and vermin proof common control panel board consisting of 1 No. suitable capacity motor protection MCCB as incomer and and No of suitable capacity MCCB as outgoing providing suitable size Aluminium bus bar to interconnect the above MCCBs and fitted with 3 Nos of indicator lamps,1 no. volt meter with selector switch ,1 no. Ammeter with selector switch for measuring current in each phase etc. complete and provided with a common earth bus for the entire panel and inter connect with the MCCBs as per IE rules and code of practice. The panel shall be fitted on a common base frame on suitable foundation. 5. Cabling work - Supply, laying testing and commissioning of suitable size XLPE copper cables for the above pump set from panel board to starter and from starter to motor considering energy conservation for a total length of 10 M. 6. Earthing - Supply of all materials and providing suitable earthing by using suitable size pipe /plate earthing GI/copper strip buried in ground and giving double earthing to motor, starter, panel board etc. as per IE standards. 7. Capacitor - Supply, erection testing and commissioning of heavy duty APP capacitor for the motor to get a power factor above 0.95. Capacitor should be connected to external contactor, and the capacitor shall confirm to IS 2834 8.Valves and Pressure gauges – Supply, Erection and commissioning of suitable size best quality heavy duty ISI marked CI double flanged Sluice Valve electrical actuator (capable of operating in Fully, Semiautomatic modes and also in manual mode), Non Return Valve and Pressure Gauges with suitable Pressure rating. Fitting of valves shall include proper RCC support. In case of positive suction pipes set sluice valve should be in suction as well as delivery sides for easy repair works. 9. Suction and delivery pipe connection - Supply and fitting of suitable size best quality MS pipe of shell thickness not less than 10 mm for a total of 10 m. suitable for the above pump set and suitable size foot valve and connecting the suction pipe and valve with suitable flanges, nut and bolts IR sheet etc complete and connecting the delivery side of thr pump with the valves and suitable specials to connect the pumping main. If the dia of suction pipe is above 80 mm CI pipes and specials shall be provided. Efficiency of pumpset 75 %. The guarantee period is two years with full replacement of above mentioned units . As per the order no. 9710/ae 15/2021/kwa dtd 8-2-2023.