Tender For Overhauling Of Switchyard Equipments Of 200Mw Unit No. 11, Btps Obra During Overhauling Of Unit-11, SONEBHADRA-Uttar Pradesh

Tender For Overhauling Of Switchyard Equipments Of 200Mw Unit No. 11, Btps Obra During Overhauling Of Unit-11 - 2 Overhauling Of Bus-I, Ii & Transfer Isolator. 3 Overhauling And Preventive Maintenance Of 400Kv Ct R, Y, B Phase 4 Overhauling Of Earthing Switches Of Sdf-425 Isolator. 5 Installation Of Three Phase Shorting On 4” Ips Al. Jack For Pre-Commissioning Test. 6 Cleaning Of Pollution Deposited On 400Kv Generator Bay Including Insulator String Grouted On T.G. Hall A-Axis Wall. 7 Overhauling Of 400Kv Sequential Isolator Including Bearing. 8 Cleaning Of Crp Panel, Ct Jb, Isolator Jb, Bmk 9 Following Works Shall Be Carried Out On Overhaling Of 400Kv Sf6 Circuit Breaker And Rewiring Of Pole To Pole In Unit No.11Th : 10 Opening Of Control And Power Connections From Control Cubical And Dismantling Of Bmk In Unit-11 11 Erection Of 3 No Jb In Each Pole And Wiring Of Same 12 Minor Overhauling Of 400Kv Sf6 Breaker In Unit-11 13 Arrangement And Deputation Of Ex-Bhel ( Oem ) Expert Engineer ( Manager Rank ) For Erection. 14 Draining And Filling Of Hydraulic Oil In 400 Kv Sf6 Breaker On Unit No.11. 15 Dismantling Of ‘Y’ Phase Interrupter And Re-Erection Of Spare Interrupter In 200Mw Unit No. 11 400 Kv Sf6 Breaker 16 Replacement Of Main And Pilot Valve In ‘B’ Phase 400 Kv Sf6 Breaker Of Unit No.11. 17 Replacement Of Hydraulic Motor Pump Set, Micro Switches, Pressure Release Valve In 400 Kv Sf6 Breaker Of Unit No.11. 18 Testing Of Circuit Breaker. 19 Retrofitting Of 400 Kv Pentograph Bus -I / Ii Motorized Drive Mechanism In Btps, Switchyard In Btps Switchyard, Obra 20 Dismantling Of Existing Air Operated Drive Mechanism From 400Kv Isolator. 21 Erection, Testing And Commissioning Of 400Kv Isolator Drive Mechanism. 22 Painting Of ( One Coat With Primer & 2 Coat Aluminum Coat ) Of 200Mw Unit -11 Of Btps Obra ( Aprox Area For 01 Bay = 500 M2 )

INR 590 /-

INR 14500.0 /-

INR 7.23 Lakhs /-

Name of Work: Overhauling of switchyard equipments of 200MW Unit no. 11th, BTPS Obra during overhauling of Unit-11

Sl. No.	Item Description
1	Following works shall be carried out on 400kV switchyard equipments, during overhauling of unit no. 11th :
2	Overhauling of Bus-I, II & Transfer Isolator.
3	Overhauling and preventive maintenance of 400kV CT R, Y, B phase
4	Overhauling of earthing switches of SDF-425 isolator.
5	Installation of three phase shorting on 4” IPS AL. jack for pre-commissioning test.
6	Cleaning of pollution deposited on 400kV Generator Bay including insulator string grouted on T.G. hall A-Axis wall.
7	Overhauling of 400KV Sequential isolator including bearing.
8	Cleaning of CRP Panel, CT JB, Isolator JB, BMK
9	Following works shall be carried out on Overhaling of 400kV SF6 Circuit breaker and rewiring of pole to pole in unit no.11th :
10	Opening of Control and Power connections from control cubical and dismantling of BMK in Unit-11
11	Erection of 3 no JB in each pole and wiring of same
12	Minor overhauling of 400kV SF6 Breaker in Unit-11
13	Arrangement and deputation of Ex-BHEL (OEM) expert engineer (Manager rank) for erection.
14	Draining and filling of hydraulic oil in 400 KV SF6 breaker on unit No.11.
15	Dismantling of ‘Y’ phase interrupter and re-erection of spare interrupter in 200MW unit no. 11 400 KV SF6 Breaker
16	Replacement of main and pilot valve in ‘B’ phase 400 KV SF6 breaker of unit No.11.
17	Replacement of hydraulic motor pump set, micro switches, pressure release valve in 400 KV SF6 breaker of unit No.11.
18	Testing of Circuit breaker.
19	Retrofitting of 400 kV pentograph bus -I/II motorized drive mechanism in BTPS, Switchyard in BTPS switchyard, Obra
20	Dismantling of existing air operated drive mechanism from 400kV isolator.
21	Erection, testing and commissioning of 400kV isolator drive mechanism.
22	Painting of (one coat with primer & 2 coat aluminum coat) of 200MW Unit -11 of BTPS obra (Aprox area for 01 bay = 500 M2 )