Tamil Nadu Generation And Distribution Corporation Limited-TANGEDCO has published Nctps I Es Circle Em I Dn S Dn Ii Estimate For Unit I Ii Annual Overhauling And Unit Iii Capital Overhauling Of 6 6 Kv Switchgear 6 6 Kv 15 75 Kv Busducts Uss Bmcc Bvdc Tvdc N E Sbmcc Sss A Switchgear And All Its Bus Duct During The Annua. Submission Date for this Tender is 22-06-2021. Switch Gear Tenders in NCTPS-I Tamil Nadu. Bidders can get complete Tender details and download the document.
| Name of Work: NCTPS –I – ES Circle – EM -I Division - S. Dn. II – Estimate for Unit-I & II Annual Overhauling &Unit - III capital Overhauling of 6.6 KV Switchgear, 6.6KV /15.75KV Busduct, USS, BMCC, BVDC, TVDC, N/E, SBMCC, SSS-A switchgear and all its bus duct during the Annual Overhaul & Capital overhauling period of 2021-22 and Annual maintenance for 6.6 KV bus ducts ofST1, ST2 & ST3 switchgear panels and bus ofC1A, C1B, C2A, C2B, C3A & C3B during Unit- I, II AOH & Unit - III COH or ST1, ST2 & ST3 shutdown period for the year 2021-22. | |||||
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| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | I. HT Switchgear\nCharges for releasing all inspection covers of bus ducts, checking of Initial IR value, thorough cleaning by applying Acetone / IPA and checking healthiness of supporting insulators & tightness checking of bus bar joints and checking of healthiness of Rubber bellows for the Incomer & Tie bus ducts of one bus (U1A, U2A & U3A 6.6KV Switchgear bus duct) | BI01010001010000000000000515BI0100001113 | 3 | Nos |
| 2 | 2 | Charges for releasing all inspection covers of bus ducts, checking of Initial IR value, thorough cleaning by applying Acetone / IPA and checking healthiness of supporting insulators & tightness checking of bus bar joints and checking of healthiness of Rubber bellows for the Incomer & Tie bus ducts of one bus (U1B, U2B and U3B 6.6KV Switchgear bus duct) | BI01010001010000000000000515BI0100001114 | 3 | Nos |
| 3 | 3 | Charges for releasing all inspection covers of bus ducts, checking of Initial IR value, thorough cleaning by applying Acetone / IPA and checking healthiness of supporting insulators & tightness checking of bus bar joints and checking of healthiness of Rubber bellows for the Incomer & Tie bus ducts of one bus ( C1A - U1A, C2A - U2A link bus duct & C3A - U3A tie busduct) | BI01010001010000000000000515BI0100001115 | 3 | Nos |
| 4 | 4 | Charges for releasing all inspection covers of bus ducts, checking of Initial IR value, thorough cleaning by applying Acetone / IPA and checking healthiness of supporting insulators & tightness checking of bus bar joints and checking of healthiness of Rubber bellows for the Incomer & Tie bus ducts of one bus ( C1B - U1B, C2B - U2B link bus duct & C3B - U3B tie bus duct) | BI01010001010000000000000515BI0100001116 | 3 | Nos |
| 5 | 5 | Charges for dismantling and assembling of all the inspection covers, checking tightness & healthiness of supporting insulators and internal cleaning of 15.75 KV bus duct of GT (15.75 KV 'R' 'Y' 'B' busduct of GT- I, II & III) | BI01010001010000000000000515BI0100001117 | 3 | Nos |
| 6 | 6 | Cleaning of Excitation Transformer & its cooling fan & its ducts ( 06 Nos) (Cleaning of Excitation transformer and its cooling fan and its duct) of Unit I, II & III | 3 | Nos | |
| 7 | 7 | Charges for cleaning and lubricating of all moving parts of HT breakers, upper and lower pole arms, vacuum bottles with Acetone / IPA. All bolts and nuts tightness checking, checking healthiness of Interrupters, closing / Tripping operations mechanically and checking of IR value for 1 No. breaker . (U1A, U2A & U3A 6.6KV Switchgear panels) | 57 | Nos. | |
| 8 | 8 | Charges for cleaning and lubricating of all moving parts of HT breakers, upper and lower pole arms, vacuum bottles with Acetone / IPA. All bolts and nuts tightness checking, checking healthiness of Interrupters, closing / Tripping operations mechanically and checking of IR value for 1 No. breaker(U1B, U2B & U3B 6.6KV Switchgear panels) | 57 | Nos. | |
| 9 | 9 | Charges for Inspection & cleaning of Bus PT cubicle, SP cubicle and checking tightness of Bus PT & SP (Bus PT cubicle (LAVT cubicle) of Unit I, II & III | 3 | Nos | |
| 10 | 10 | II. LT Switchgear\nCleaning of all the modules, cleaning & healthiness checking of power contactor tips and replacing if necessary, terminal tightness of all components, checking & cleaning of finger contacts in breaker with IPA, healthiness of spring charging motors and the mechanisms, terminal tightness of all components of breakers and checking their operations. (USS 1A, 2A & 3A SWGR) | 3 | Nos | |
| 11 | 11 | Cleaning of all the modules, cleaning & healthiness checking of power contactor tips and replacing if necessary, terminal tightness of all components, checking & cleaning of finger contacts in breaker with IPA, healthiness of spring charging motors and the mechanisms, terminal tightness of all components of breakers and checking their operations. (USS 1B, 2B & 3B SWGR) | 3 | Nos | |
| 12 | 12 | Cleaning of all the modules, cleaning & healthiness checking of Power Contactor tips and replacing if necessary, termination tightness of all components, cleaning the breakers with IPA, healthiness of spring charging motor, termination tightness of all components and checking breaker operations and refixing the modules and breakers in the respective panels. (BMCC 1A, 1B, 2A, 2B, 3A & 3B SWGR) | 3 | Nos | |
| 13 | 13 | Cleaning of all the modules with IPA, cleaning & healthiness checking of Power Contactor tips and replacing if necessary, terminal tightness of all components, and refixing the modules in the respective panels.(SBMCC - 1,2 & 3 SWGR) | 3 | Nos | |
| 14 | 14 | Cleaning of all the modules, cleaning & healthiness checking of power contactor tips and replacing if necessary, termination tightness of all components, checking & cleaning the Isolator switches. (N/E SWGR) of Unit I, II & III | 3 | Nos | |
| 15 | 15 | Cleaning of all the modules, cleaning & healthiness checking of Power Contactor tips and replacing if necessary, termination tightness of all components, cleaning the sliding contacts with IPA and refixing the modules in the respective panels. (BVDC & TVDC (VMCC) SWGRs) of Unit I, II & III | 3 | Nos | |
| 16 | 16 | III. 6.6KV ST -I,2 &3\nCharges for releasing and Re-fixing all inspection covers of bus-ducts, checking of Initial IR value, thorough cleaning by applying Acetone / IPA and checking healthiness of supporting insulators & tightness checking of bus bar joints and checking of healthiness of Rubber bellows for the In-comer & tie bus ducts of C1 , C2 & C3 Bus. (C1 A & B incomer & Tie busduct) (ST - I to C1A)(ST - I to C1B)(ST - 2 to C2A)(ST - 2 to C2B)(ST - 3 to C3A) & (ST - 3 to C3B) C2 A & B incomer & Tie busduct) (C3 A & B incomer & Tie busduct) | 3 | Nos | |
| 17 | 17 | Charges for cleaning and lubricating of all moving parts of HT breaker upper and lower pole arms, vacuum bottles with Acetone / IPA. All bolts and nuts tightness checking, checking healthiness of Interrupters closing / Tripping operations mechanically and checking of IR value for 3 No. panel.(C1A & C1B, C2A, C2B C3A & C3B SWGR) | 56 | Nos | |
| 18 | 18 | Complete overhauling of LT station Bus (SSSG) for SWGR.\n1) Releasing the Top covers and side covers of the bus chamber, checking IR value and releasing out all the modules (156 Nos).(for 2 No. SSSG LT bus) SSS A & SSS B | 2 | Nos |
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