Kerala Water Authority Tender

OD285191/2023-2024:"Motor:- Supply 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 V (suitable for the pumpset). The motor shall confirm to IE2/IE3 as per IS12615-2018 digital motor protection relay shall be included in starter as per present CEA regulations 2010. Flexible coupling shall be used for coupling of pump and motors" 4 poles

OD285192/2023-2024:"Starter:- Supply suitable rating (Fully automatic ATS starter with air break contact for less than 50 HP and for above 50 HP FCMA starters to be used) starter suitable for the above motor with over voltage and under voltage protection, single phase preventer, over load relay with motor protection relay with main contactor and bypass contactor as per IE rules and code of practice etc. Complete"

OD285193/2023-2024:"Panel board (suitable for operating two pump sets but one pumps set at a time):- Supply, erection, testing and commissioning of cubical type floor mounted MS fabricated dust and vermin proof common control panel board consisting of 1 no. suitable capacity MCCB as incomer and 2 Nos. of suitable capacity MCCB as outgoing, (the 2 MCCBs are interlocking with each other) providing suitable size Aluminium bus bar, inter connect the above MCCBs and fitted with 3 Nos. of indicator lamps, 1 no Volt meter with selector switch, 1 no Ammeter with selector switch 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"

OD285194/2023-2024:"Cabling work:- Supply, laying, testing and commissioning of suitable size 3 core XLPE Alluminium cables for the above pump set from bus bar to panel board , panel board to starter and from starter to motor considering energy conservation."

OD16432/2024-2025:Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. 3Cx240Sqmm

OD285195/2023-2024:"Valves:- Supply of suitable size best quality heavy duty ISI marked 350mmCI double flanged sluice valve and Non return valve with suitable pressure rating. Fitting of valves shall include proper RCC support especially for Non return valves. In case of positive suction pump sets sluice valve should be in suction as well as delivery sides for easy repair works. "

OD285196/2023-2024:"Suction and delivery pipe connections :- Supply and fitting of suitable size best quality CI/DI pipe . 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 with bypass arrangements, supply and fitting pressure guage of suitable rating with main cock and connecting the delivery side of the pump with the valves and suitable specials to connect with the pumping main. If the dia. of suction pipe is above 200 mm CI/DI pipes & specials shall be provided "

OD285197/2023-2024:"Capacitor:- Supply, erection, testing and commissioning heavy duty APP capacitor for the motor to get a power factor above 0.95. The capacitor shall confirm to IS 2834. "

OD285198/2023-2024:1)Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required . 2)Supplying and laying 25 mm X 5 mm copper strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50mm)-10metre

OD285199/2023-2024:"Erection, testing and commissioning :- Erection of pump ,motor, starter on suitable concrete foundation with base, plate, coupling the motor and pump using flexible coupling, fitting coupling guard, trial run and commissioning "

4.1.4: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 : 4 graded stone aggregate 40 mm nominal size)

Overhauling of 250 KVA Transformer at Kalamassery old pump house and allied works

OD53453/2024-2025:Taking out the existing 40mm aggregate and cleaning the same and stacking at places pointed out by departmental officers, removing existing bushes, earth and applying suitable medicine to destroy roots of vegetation growth and providing suitable percolating type sheets to prevent growth of weeds and spreading 10 mm nominal size stone aggregate in 10 cm depth above the sheet ,Spreading already stacked 40 mm aggregate in the transformer yard including conveyance etc complete and for supplying and spreading new 40 mm metal ,15 cm thickness and leveling the same.

OD53455/2024-2025:Dismantling the existing damaged fencing ,Cutting away the rusted and damaged parts , repairing and welding rectified angles to the existing vertical post of transformer yard fencing and painting the same and for providing additional angle sections for vertical and horizontal connections

16.70.2:Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts , bolts and washers as required complete as per the direction of Engineer-in- charge.Made of G.I wire of dia 4 mm. PVC coated to achieve outer dia. not less than 5 mm in required colour and shade

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)

4.3.1:Centering and shuttering including strutting, propping etc. and removal of form work for:Foundations, footings, bases for columns

OD53457/2024-2025:Strengthening of the poles by welding using plates in all sides after removing the damaged portion

14.72:Providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia. M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staricase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after. The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required location with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in Charge. The elevational area of the scaffolding shall be measured for payment purpose. The payment will be made once irrespective of duration of scaffolding. Note:- This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done .

OD53464/2024-2025:Removing the rust and old paint from I section of six pole structure and applying two coat epoxy primer and two coat aluminum paint above the primer under difficult and time limit condition.

Overhualing Transformer including Oil Change

OD53504/2024-2025: Charges for dismantling of HV side cable connection and remove the cable box, remove LV cable connection and then dismantling of LV side cable box and neutral connection remove the cable box and fitting the HV and LV cable and cable box in old position after repairing etc.complete.

OD53506/2024-2025:Draining of transformer oil completely from 250 KVA transformer and conservator tank and collecting it in empty drums/tank and stacking site for filtration etc. complete

OD53563/2024-2025:Dismantling of cover,HV busing,LV busing carefully after removing connections and keeping it in vertical position and covering the busing system with proper protection to avoid to enter dust and moisture inside,dismantling explosion vent,breather connection, conservating tank and piping,disconnecting of all valves,dismantling of control cables, thermometers and its probes etc.including cleaning the dismantled parts very carefully ,checking the working condition of all components, checking the function of buchholz relay etc. Complete.

OD53570/2024-2025: Charges for cleaning of transformer body(inside) conservator tank fully and removing of all carbon deposits in it. Cleaning of core and coil,inspection of bushes and bolts,jet washing of core and winding,removing of sludges deposited inside transformer core and winding, ensuring no blockage of oil duct, arresting the oil leakage of radiator, providing new insulation to terminals and leads etc. Complete

OD53572/2024-2025: Replacing top body gaskets by supplied new one of good quality and cut to required size and numbers fitting carefully and checking the fitness and arresting of oil leakage through bushes and insulators etc.complete

OD53575/2024-2025:Supply of new transformer oil to top up the oil level

OD53586/2024-2025:Servicing of transformer off load tap changer etc. including repairing of mechanical off load tap changer etc. Complete

OD53588/2024-2025: Supplying and fixing new breather set with Silica Gel by replacing the damaged breather set

OD53602/2024-2025:Refitting of top cover, HV busing, LV busing and neutral busing of both HV & LV side carefully after making connections,refitting of xplosion vent,brether and its connections after replacing the bushes and with new nut and bolts. Providing oil resistant type fiber glass insulation to all live parts before assemblying. Providing all valves and checking its open and close position before providing to protect leakage including oil filteration for getting desired BDV value, Hire charges of filteration unit, DG set,diesel charges etc.complete including painting of transformer