Kerala Water Authority Tender

15.2.1:Demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in-Charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

100.1.1: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 all kinds of soil.

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.

100.2.2:Excavation work by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5m in width or 10m2 on plan), including dressing of sides and ramming of bottoms, lift up to 1.5m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50m, in Medium Rock where Blasting is Prohibited.

100.8.1:Fencing one side of trenches, 1.50m height with two rows of 10cm plastic caution tape in vertical casuarina pole (girth 15cm to 24cm) fixed at 2m intervals.

100.14.3:Conveying and laying S&S Centrifugally Cast (Spun) / Ductile Iron Pipes conforming to IS: 8329 excluding cost of pipes and specials: 200mm diameter Ductile Iron Class K-9 Pipes.

OD117135/2024-2025:Labour for cutting D.I. pipe with steel saw. 200 mm diameter D.I. pipe

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

18.70.3:Providing push - on-joints to Centrifugally (Spun) Cast Iron Pipes or Ductile Iron Pipes including testing of joints and including the cost of rubber gasket:200 mm dia pipes

100.37.7.1:In situ fabrication of M.S. pipes of size 200mm (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.

100.37.7.2:Fabricating M.S. flanges of diameter 200mm 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.

100.37.7.3:Cutting 200mm (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.

100.37.7.4:Welding 200mm (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.

100.37.7.5:Grinding cut and weld edges of 200mm (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.

100.35.3:Testing 200mm DI/CI pipeline with potable water to the required test pressure 200 mm dia Observed Data derived from item no.1020 of PHED DATA

100.32.4: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): 80mm Double Acting Air Valve.

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)

100.31.2.5: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.

Part B-Laying of pumping main from Pazhoor booster pumphouse to Kallumari OHSR- Cost of Materials

100.98.117:Supply of DI K9 Pipe Conforming to IS 8329/2000, 200mm Dia.

100.98.450:Supply of CI Air Valve with Flanges, Conforming to IS 14845 - 2000, Kinetic Air Valve Type DS1, Size 80mm.

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

Part C- Installation of New CF Pump set at Pazhoor Pump House

OD101325/2024-2025:Supply and erection of CF pump set with the following specification 1. Pump -Supply, erection, testing and commissioning of KWA prequalified reputed make slow speed split case centrifugal pump set with Bronze impeller , SS shaft and CI pump casing with suitable type base plate with pin and bush coupling, coupling guard foundation bolts &nuts etc. complete including providing suitable concrete foundation including cost of cement sand metal etc. complete. Discharge 20 lps Total head 80 m, Suction head 5m, Length of pumping main 565m Size of pumping main - 200mm DI K9 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 3 phase 50 Hz Ac supply, working voltage 415.RPM 1450 The motor shall confirm to IE3, EEF1/IS 325 including providing suitable concrete foundation, including cost of cement, sand and metal etc. complete. Pin and bush coupling shall be used for coupling of pumps and motors. 3. Starter - Supply , erection ,testing and commissioning of suitable rating FCMA starter with air break contact .Starter suitable for the above motor with over voltage and under voltage protection , single phase preventer, over load, under load phase unbalancing with motor protection relay. hour meter 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. 250A motor protection MCCB 36ka as incomer and outgoing, providing suitable size Aluminum bus bar to interconnect the above MCCBs and fitted with 3Nos 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. and inter locking outgoing MCCB The panel shall be fitted on a common base frame on suitable foundation. 5. Cabling - 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. 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 above 0.95. Capacitor connected to external contact, The capacitor shall confirm to IS 28348. 8.Valves and pressure gauges - supply of suitable size best quality heavy duty ISI marked CI double flanged sluice valve , non return valve and pressure gauges with suitable pressure rating . Fitting of valves shall included proper RCC support especially for non return valves . In case of positive suction 9. Suction and delivery pipe connection must be next higher size of pump nozzle size Supply and fittings of suitable size best quality MS pipe of shell thickness not less than 8 mm for a total of 10 M. suitable for the above pump set and connecting the suction pipe and valve with suitable flanges, nut &bolt IR sheet etc. complete and connecting the delivery side of the pump with the valves and suitable specials to connect with the pumping main. 10. Maintanance for a period of two years