Kerala Water Authority Tender

4.1.2:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:1/2:3 (cement : 11/2 coarse sand : 3 graded stone aggregate 20 mm nominal size)

5.23:Smooth finishing of the exposed surface of RCC work with 6mm thick cement mortar 1:3 ( cement : 3 fine sand).

100.55.2:Supplying of 12 to 20mm size pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5km and labour charges for stacking, spreading, testing and as per the directions of the department officers etc complete and as per CPHEEO specification.

100.55.1:Supplying of 2 to 6 mm and 6 to 12 mm size fine pebble (pebbles shall be hard, clean, free from clay, dust and other impurities), stacking in standard heaps for measurement including cost, conveyance up to 5 km and labour charges for stacking, spreading, testing and as per the directions of the department officers etc. complete as per CPHEEO specifications.

100.55.4:Supplying and stacking for measurement of filter sand having effective size 0.45 to 0.70 mm and uniformity coefficient 1.30 to 1.7, of specific gravity in the range of 2.55 - 2.65 and hard and clean, free from clay, dust and other impurities including cost of materials, labour charges and conveyance of materials up to 5 km and as per the directions of the department officers etc. complete and as per CPHEEO specification.

14.1.2:Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground within 50 meters lead:Cement mortar 1:4 ( 1 cement: 4 coarse sand)

13.39.1:Colour washing such as green, blue or buff to give an even shade:New work ( two or more coats) with a base coat of white washing with lime

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

15.12.1:Dismantling doors, windows and clerestory windows (steel or wood ) shutter including chowkhats, architrave, holdfasts etc. complete and stacking within 50 metres lead:Of area 3 sq. metres and below

21.1.1.2:Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS : 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminnium snap beading for glazing /paneling, C.P. brass/ stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge.(Glazing, paneling and dash fasteners to be paid for separately): For fixed portionPowder coated aluminium (minimum thickness of powder coating 50 micron)

21.1.2.2:For shutters of doors, windows & ventilators including providing and fixing hinges / pivots and making provision for fixing of fittings wherever required including the cost of EPDM rubber/ neoprene gasket required (Fittings shall be paid for separately)Powder coated aluminium (minimum thickness of powder coating 50 micron)

21.3.1:Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of Engineer - in -Charge. ( Cost of aluminium snap beading shall be paid in basic item):With float glass panes of 4.0 mm thickness

50.9.1.1: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), using good quality Anjili wood /jack wood

50.9.2.1:Providing and fixing paneled and glazed shutters for doors, windows and clerestory windows, 35 mm thick shutters including ISI marked M.S. pressed butt hinges bright finished of required size with necessary screws, excluding panelling which will be paid for separately, all complete as per direction of Engineerin - charge using Anjili/ Jack wood

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.)

changing the tile of filter bed. including existing portions

15.23.1:Dismantling tile work in floors and roofs laid in cement mortar including stacking material within 50 metres lead.For thickness of tiles 10 mm to 25 mm

11.36:Providing and fixing I st quality ceramic glazed wall tiles conforming to IS : 15622 (thickness to be specified by the manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer -in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3 kg per sqm, including pointing in white cement mixed with pigment of matching shade complete.

Conveying and Fixing Sluice 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.

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

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.

100.98.463:Supply of CI Double Flanged Sluice Valve Conforming to IS 14846 - 2000, Sluice Valve with Cap PN 1.6, Size 300mm.

15.53.1:Dismantling of C. I sluice valve including stacking of useful materials within a lead of 50 metres.Upto 150 mm diameter

15.53.2:Dismantling of C. I sluice valve including stacking of useful materials within a lead of 50 metres.Above 150 mm diameter

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.

100.31.1.6: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 I.

100.31.1.7: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): 300mm diameter, Class I.

Providing Valve chambers

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

4.1.5: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 20 mm nominal size)

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

5.22.6: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.

Supply and Laying of GI Pipes

OD30659/2024-2025:Supplying 80 mm GI Medium pipe

OD212670/2024-2025:Supply of 100 mm GI medium pipe

OD30660/2024-2025:Supplying 50 mm GI Medium pipe

OD30658/2024-2025:Supply of GI specials ( Bends, Tee, Coupler, Tailpiece, Endcaps, Reducer etc ) - 5% of cost of pipes

100.12.6:Conveying and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc., but excluding cost of pipes and fittings for External work: 50mm diameter nominal bore.

100.12.8:Conveying and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc., but excluding cost of pipes and fittings for External work: 80mm diameter nominal bore.

100.12.9:Conveying and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc., but excluding cost of pipes and fittings for External work: 100mm diameter nominal bore.

Alteration of service connections & provide New connections

OD30822/2024-2025:Alteration / making reconnection with the existing water connection . using 20 mm uPVC Pipe , Ferrule, elbow, MTA, FTA, Couplers etc. And connecting with the Main line. Including Trenching and Refilling in AKS. Up to depth of 1.5m. for mainline tracing. And providing caution board , Traffic controls etc. Including Cost of Materials, hire for tools, cost of consumables and labour charges as per the directions.

100.60.1.1.2:Providing 15mm (1/2 inch) house connection with 15mm (1/2 inch) water meter from existing PVC / HDPE mains up to 110 mm dia., up to a length of 5 m using 20mm Indian Standard Class 6 uPVC pipe and uPVC / GM / Brass specials viz. brass ferrule, GM full way wheel valve, Elbow, MTA, FTA, couplers, PVC Service Saddle of suitable size etc. and connecting with the mains, testing the joints etc. complete including trenching and refilling in all kinds of soil up to a depth of 1.50m for main line tracing and trench of average cross section 0.3m x 0.75m for laying connection pipe and service pipe, fixing water meter, lighting, watching, providing caution boards, traffic control etc. complete including cost of materials, hire for tools, cost of consumables and labour charges, including the cost of tested Class B Multijet water meter with ISI mark and weather resistant PP / PE meter box of minimum size 300mm x 200mm x 150mm, but excluding charges for cutting the concrete / tarred / bituminous roads etc, and as per the direction of the departmental officers.

100.60.23.3.1:Providing 15mm PVC Tap in the water meter assembly for 15mm ( 1/2 inch ) water connection, using 20mm ( 1/2 inch ) Indian Standard uPVC Class 6 pipes, uPVC specials and PP PN 16 Compression specials including cost of materials, consumables, hire charges for tools and labour charges etc. complete and as per the direction of departmental officers.

100.60.10.4.1:Providing 20mm (1/2 inch) PVC Air Valve in the water meter assembly for 15mm connection, using 20mm Indian Standard Class 6 uPVC pipes and specials including cost of materials, consumables, hire for tools and labour charges etc. complete and as per the directions of the department officers.

Supply ,Erection and commissioning of Centrifugal pump set

OD31722/2024-2025:Supply , erection and commissioning of Centrifugal pump set having a discharge of 13.42 lps against a head of 117 m with following specifications. 1. Pump-Supply, erection, testing and commissioning of KWA pre qualified reputed make Centrifugal pump set with bronze/SS impeller, SS shaft and CI pump casing with suitable type base plate with coupling, coupling guard foundation bolts & nuts etc. complete suitable for coupling the pump and motor above the base plate etc. complete . including providing suitable foundation, including cost of cement sand and metal etc. complete. total head 100-150 meter, 1470 RPM , include Panel board, Fuse unit, Indication Lamp, cable 10 m , Earth system , with suitable starter ,capacitor, suction pipe ,foot valve NR Valve, Sluice valve, pipe connection up to valve erection , trail run , commissioning & All accessories. as per direction of engineer in charge, (Additional charges 5% of (M1+M2+M3) is added below for supply, erection ,testing and commissioning of panel board. and 10% of (M1+M2+M3) for supply, erection ,testing and commissioning of cabling work , earthing , capacitor, valves , suction and delivery pipe connections and all other charges to complete the work)

OD31741/2024-2025:Supply , erection and commissioning of Centrifugal pump set having discharge 16.45 lps against a head of 31 m (upto-10 HP) with following specifications. 1. Pump-Supply, erection, testing and commissioning of KWA pre qualified reputed make Centrifugal pump set with bronze/SS impeller, SS shaft and CI pump casing with suitable type base plate with coupling, coupling guard foundation bolts & nuts etc. complete suitable for coupling the pump and motor above the base plate etc. complete . including providing suitable foundation, including cost of cement sand and metal etc. complete. suction head up to 20-50 meter, 1470 RPM, include Panel board, Fuse unit, Indication Lamp, cable 10 m , Earth system , soft starter ,capacitor, suction pipe ,foot valve NR Valve, Sluice valve, pipe connection up to valve erection , trail run , commissioning & All accessories. (Additional charges 5% of (M1+M2+M3) is added below for supply, erection ,testing and commissioning of panel board. and 10% of (M1+M2+M3) for supply, erection ,testing and commissioning of cabling work , earthing , capacitor, valves , suction and delivery pipe connections and all other charges to complete the work)

Supplying water proof hand held Turbidity meter and Economy Basic PH Meter with Indigenous PH Electrode

OD179029/2024-2025:Procurement of Microprocessor based bench top pH meter with the following specifications pH: - Range: 0.000 to 14.000 Resolution: 0.1/0.01/0.001 pH Repeatability: (+/-)0.003 pH Accuracy: (+/-)0.003 pH Cal.Points 5 Points Buffer options: USA NIST , Custom ORP: - Range: (+/-)1999.9 mV Resolution: 0.1 mV Repeatability: (+/-)0.2 mV Accuracy: (+/-)0.2 mV Temperature: - Range: 0.0 to 100 °C Resolution: 0.1 °C Repeatability: (+/-)0.4 °C Accuracy: (+/-)0.4 °C Electrode specification: - Double junction toughened glass electrode with filling solution Shall provide ATC Meter and electrode shall be of same manufacture Meter Features: - 1. Off set/slope should be displayed 2. Should have Data logging facility 3. Output RS232/USB 4. Memory 500 Data sets minimum 5. Warranty: 3 years for the meter and 1 year for the electrode 6. Power 230V (+/-)10% 7. Buffer set: USA pH 4.01,7.00,10.01 shall be supplied with the instrument 8. Should provide hard copy of user manual with instrument and electrode specification 9. Compliance: GLP with NABL Calibration certificate 10. IQ/OQ/PQ documentation shall be provided

OD179030/2024-2025:Procurement of Turbidity meter with the following specifications. Measurement method: Nephelo metric method Range: 0 to 2000 NTU Auto range selection (Four ranges 0.01NTU to 19.99NTU with 0.01NTU resolution) 20.0 NTU to 99.9 NTU with 0.1 NTU resolution 100 NTU to 2000 NTU with 1 NTU resolution Accuracy: <0.1 NTU for 0.02 NTU standard, (+/-) 2% for reading (+/-) 1 digit for 0-500 NTU (+/-) 3% for reading (+/-) 1 digit for 501-2000 NTU or better Repeatability: (+/-) 1 % of reading or better Calibration: 4 points or more (auto selection) Light source: Infra-red emitting diode 850 nana meter wave length Display type LCD ISO 7027 Compliant Minimum turbidity 0.01 NTU Operating temperature 0°C to 50°C Shall provide calibration standards 0.02 NTU, 20 NTU,100 NTU and 800 NTU (minimum) Power: appropriate alkaline batteries (>1000 readings) Cuvette: 3 nos minimum Sample volume: 10 ml Warranty: 3 years for the entire equipment Water proof instrument Instrument manual with specification details (Hard copy) to be provided Shall provide NABL calibration certificate IQ/OQ/PQ documentation shall be provided CE certification shall be provided Infrared light source. ISO 7027 compliant and designed to USEPA approved non formazin method. IP 67 protection. Waterproof housing ensures durability and allows sampling and measurments even under wet conditions. Auto - ranging up to 2000 NTU , automatically adjusts to the appropriate measurement range. Push button calibration with auto alert calibration prompt. Easy to read LCD displays readings with units of measure and user-friendly message codes that guide meter operation . Rugged carrying case with calibration case included. Warranty 2 year on meter against manufacturing defect.

chemical unit

14.1.1:Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground within 50 meters lead:With cement mortar 1:4 ( 1 cement : fine sand)

11.41.2:Providing and laying vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS : 15622, of approved make, in all colours and shades, laid on 20 mm thick cement mortar 1:4(1 cement : 4 coarse sand), including grouting the joints with white cement and matching pigments etc., complete.Size of Tile 600 x 600 mm.

OD211958/2024-2025:Supply and fitting 30:1 ratio gearbox with 1 HP 960 RPM Foot motor with coupling from the approved manufacturer.

OD211966/2024-2025:Supply and fixing mechanical agitator for chemical mixing unit . for the following specifications ( Shaft length : 1.1 m, Shaft Diameter : 25mm, propeller with Stainless steel material and suitable Coupling unit with all accessories etc. as per the direction of departmental officers.

OD211969/2024-2025:Supply and fixing foundation for motor . using MS angle 50x50x6mm size. by welding / suitable foundation bolt (including cost of cutting welding, grinding , painting with one coat of primer, etc.)

OD211971/2024-2025:Supply and fixing panel board and accessories . including S.F.Unit, 4 pole 10A MCB Isolator, 63 A MCCB, capacitor, starter, and all other accessories in order to complete the work. including cost of material and labour.

OD212873/2024-2025:Supply and laying 3 core 4mm^2 copper cable as per standards.

Blower Unit

OD213259/2024-2025:Supply and fixing 10HP Blower Panel board with starter including Voltmeter, Ammeter, selector switch, C T Coil ,63A S F Unit, Indicator, capacitor, 32 A TPN SFU, DOL Starter, Single Phasing preventer, And cubical type panel board.

OD213298/2024-2025:Repairing the existing Blower with compressor for back washing system . including all accessories and labour charge etc. compete.