Tamil Nadu Generation And Distribution Corporation Limited-TANGEDCO has published Tender For Nctps I Es Circle Em Ii Division Sdn Ii Carrying Out Time Bound Maintenance Works Of Ht Lt Switchgear In Rwph 5 Mva Power Transformer 250 Kva Service Transformer Vcb Battery Set At Rwph And Ht Lt Switchgear And Motors At Ahp Foph. Submission Date for this Tender is 16-02-2024. Switch Gear Tenders in Thiruvallur Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Charge for external weekly cleaning of HT/LT motors, LT switchgear panels, contactor panels, control push button, switchgear and power transformer in RWPH, AHP, FOPH and A/C plant in NCTPS-I (Weekly once) |
| 2 | Charges for cleaning the outer surface and maintenance of the 6.6 KV, 265 KW HT Flushing Water Pump Motor – 3 Nos., 6.6 KV, 300 KW Recovery Water Pump motor -4 Nos. (Weekly once) |
| 3 | Charges for cleaning the outer surface and maintenance of the 6.6KV, 230 KW HT Ash Slurry Disposal Pump motor -18 Nos. (weekly once) |
| 4 | Charges for cleaning the outer surface of 415V, 155 KW AWP motor – 9 Nos. At AHP, 415V, 110 KW HFO motor – 6 Nos. 9.3 KW LDO motor – 6 Nos. Sump pump motor, Drain pump motor, Decanting oil unloading pump motor – 4 Nos., At FOPH (Weekly once) |
| 5 | Charges for cleaning the outer surface of 415V, 30 KW SWP motor 6 Nos. 30 KW SWBP motor – 3 Nos. 11 KW DP motor – 4 Nos. 7.5 KW LDO motor – 6 Nos. 22 KW Chilled water pump motor – 4 nos. 18.5 KW condensate water pump motor – 4 Nos. 5.5 KW cooling Tower motor – 4 nos. At AC plant (weekly once) |
| 6 | Releasing and cleaning of critical modules, healthiness checking of power Contractor trip and replacing if necessary and terminal tightness of all components and re-fixing the modules in the respective panels. Checking of cable tightness at modules end and motor end, replacing of lugs if necessary for 1 module) LT module – 63 Nos. (Critical modules in AHP, AC Plant, FOPH, Silo SWGR) (63 Nos. X 4 Times) |
| 7 | Releasing, checking and cleaning of finger contracts in breaker with acetone, healthiness of spring charging motors and mechanisms, tightness checking of all components of breakers and lubrication of all moving parts and checking their operations and re fixing the breakers. Opening of breaker panel back doors, checking cable tightness, cleaning and re fixing etc., for 1 No. LT breaker. (Critical breaker in AHP, AC Plant , FOPH, Silo) (AHP – 13Breakers, FOPH – 3 Breakers, AC Plant – 2 Breakers, Silo – 6 Breakers) (24 Nos. X 4 Time) |
| 8 | Replacement of spring charge motor in 6.6 KV HT breaker AHP – 26 BreakersRWPH – 6 Breakers |
| 9 | Replacement of mechanism in 6.6 KV ABB make HT Breaker. AHP – 26 BreakersRWPH – 6 Breakers |
| 10 | Disconnection of power cable, De-coupling the motor from pump and checking alignment (if necessary) (HT motor) (RWPH – 4 Nos., AHP -21 nos.) |
| 11 | Removal of foundation bolts, liftingthe motor to a convenient location (HT motor) (If Necessary) (RWPH – 4 Nos., AHP -21 nos.) |
| 12 | Lifting of motor, placing at motor bed and tightening of foundation bolts, bed bolts etc., (HT motor) (RWPH – 4 Nos., AHP -21 nos.) |
| 13 | Charges for cleaning of light jungles and trees around the transformers, 4 pole structure, yard at RWPH (300 Sq.mm x 4 Times) |
| 14 | Checking of Distribution transformer such as Primary / Secondary side terminal tightness checking, changing of bolts & nuts and external cleaning, checking of earth and replacement if necessary and meggering under the supervision of NCTPS officials at RWPH. |
| 15 | Charge for transporting of DM water from DM plant to each battery room in 20 Litres can |
| 16 | Charges for top up of electrolyte for 15 Nos. battery cells (1 Set) (1set x 2 times) |
| 17 | Charges for termination tightness and cleaning for 15 Nos. Battery Cells (1 set x 2 Times) |
| 18 | Charges for applying petroleum jelly for 15 Nos. battery cells (1 Set) (1 set x 2 Times) |
| 19 | Charges for discharging of 30V, 100 AH battery set during annual maintenance |
| 20 | Charges for charging of 30 V, 100 AH battery set during annual maintenance |
| 21 | Replacement of failed LT motors ranges from 15 KW to 30 KW Charges for disconnecting the power cable, releasing the motor from its bed, lifting, lowering and transporting the motor to a convenient location, removing of coupling pulley, refixing of coupling after overhauling, transporting the motor to its location, lifting, lowering the motor, reconnecting the power cable and including coupling, alignment and coupling the motor with compressor pump (For the rating from 15 KW to 30 KW) |
| 22 | Charges for disconnecting the power cable, releasing the motor from its bed, lifting, lowering and transporting the motor to a convenient location, removing of coupling pulley, refixing of coupling after overhauling, transporting the motor to its location, lifting, lowering the motor, reconnecting the power cable and including coupling, alignment and coupling the motor with compressor pump (For the rating from 30.1 KW to 160 KW) |
| 23 | Consumables & T&P |
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