State Plan State Plan 2022 23 Supply erection testing and commissioning of 120 HP Centrifugal Pump set and accessories having discharge 80lps and 75m head at Clear water Pump house, Thoppil for improving water supply to Thrikkakara area

Amount

Appendix A- Supply and erection of pump set

OD20107/2022-2023:Dismantling existing motor ,pump set and starter including structural base, chipping and clearing away the concrete foundation , dismantling existing sluice valve , NRV ,existing suction and delivery MS/CI pipe line including hire of tools, labour charges, etc. complete and stacking the dismantiled items as per the direction of departmental officers

OD20109/2022-2023:Supply and laying of suitable size XLPE cables for additional length beyond the initial supply of 10m

OD20112/2022-2023:Overhauling the existing main panel board by upgrading existing main switches with FN250- 2 nos 6 Nos 250A HRC fuse, overhauling the existing 600Amps OCB by replacing 1/3rd of finger contacts, replacing the Hilum boards, providing required and suitable Ammeters, Voltmeters & Indicator lamps ,modifying the existing busbars to connect with new main switch by using 95 sq.mm copper cables & modification of panel board to suit the new main switch, painting of panel board etc as per direction of departmental officers

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)

16.68:Providing and laying 60 mm thick factory made cement concrete interlocking paver block of M - 30 grade made by block making machine with strong vibratory compaction, of approved size, design & shape, laid in required colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge.

OD20118/2022-2023:Removing rust from the pipe by scrapping and sand papering/ buffing wheel and preparing the surface smooth including necessary repairs etc. complete

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

OD20126/2022-2023:Supplying and fixing bituminous felt coating in MS pipe , bend including material and labour charges

OD20129/2022-2023:Supply ,stacking and spreading 40mm aggregate in 30cm depth in the transformer yard including carriage, loading ,unloading & stacking up to any lead as per the instruction from department officers, after 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 15 cm depth above the sheet etc complete

OD20132/2022-2023:Repairing the ceiling by chipping the old plastering and re-plaster the same

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.

11.39:Providing and laying rectified Glazed Ceramic floor tiles of size 300x300 mm or more (thickness to be specified by the manufacturer), of 1st quality conforming to IS: 15622, of approved make in colours White, Ivory, Grey, fume Red Brown, 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.

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)

OD20138/2022-2023::Dismantling the existing damaged square rod fencing ,Cutting away the rusted and damaged parts , repairing and welding rectified square rod to the existing vertical post of transformer yard fencing and painting the same

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

Appendix B- Overhauling Transformer including Oil change

OD20141/2022-2023: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.

OD20144/2022-2023: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.

OD20146/2022-2023: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.

OD20147/2022-2023: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

OD20148/2022-2023: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

OD20171/2022-2023:Supply of new transformer oil to top up the oil level

OD20149/2022-2023:Servicing of transformer off load tap changer etc. including repairing of mechanical off load tap changer etc.complete

OD20155/2022-2023:Supplying and fixing new breather set with Silica Gel by replacing the damaged breather set

OD20079/2022-2023: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<br>

HYDRO-TECH ENGINEERING CO.

Bidder Name

HYDRO-TECH ENGINEERING CO.

National Electrical Works