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Tender Value
₹38 L
EMD Value
₹76,000
Closing Date
8 Oct 2026, 6:55 pm
CHIEF ENGINEER RND SECUNDERABAD
CHIEF ENGINEER RND SECUNDERABAD OPP JUBILEE BUS STATION PICKET SECUNDERABAD 500003
REPAIRS MAINTENANCE TO HT 33KV SF6 BREAKERS, 11 KV VCBS AND RMUS, 33 /11 KV POWER TRANSFORMERS, 11 KV/433 VOLTS DISTRIBUTION TRANSFORMERS, HT CABLE, JOINT KITS ALONG WITH CONNECTED ALLIED WORKS AT NSTL UNDER AGE I RND NSTL, VISAKHAPATNAM
2026_MES_789757_1
87184
Open Tender
Electrical and Maintenance Works
Item Rate
180 days
NSTL VISAKHAPATNAM
Class D category b(iii)
7 documents required · 7 mandatory
₹500
ASSISTANT GARRISON ENGINEER I RND NSTL VISAKHAPATN
₹76,000
Yes
17 Sept 2026
17 Sept 2026
12 Oct 2026
17 Sept 2026
8 Oct 2026
1 Oct 2026
| Sl No | Description | Qty | Unit | Est. Rate | Est. Amount |
|---|---|---|---|---|---|
| 1 | M&L for dis-connecting the HT 11 KV VCB panel indoor / outdoor rupturing capacity of 250 MVA/350 MVA, 400 to 1600 Amps, for servicing, cleaning, tightening of loose mechanical mechanism, greasing by taking out the trolley of the breaker, inspection of busbar, CTs/PTs, internal wiring of control panel, indicators, measuring of IR value, calibration of IDMT relays, master trip relays, testing of tripping system, to maintain desired insulation level of each panel and removing all types of dust and settled dirt by mechanical means including testing complete all as specified and as directed by Engineer-in-Charge including the followings: | 48 | EACH JOB | - | - |
| 1.01 | (a) Cleaning of Vacuum Circuit Breaker with CRC-226.
(b) To check the condition of SIC contacts.
(c) Checking condition and alignment of jaw contact.
(d) Checking and proper tightening of hardware.
(e) Checking of proper closing / opening of all poles.
(f) Checking of breaker tripping through push button.
(g) Checking and adjusting gap between hylem sheet and side plate.
(h) Checking motor operation in case of EDO.
(j) Checking auxiliary contacts continuity and proper change over. | - | - | - | - |
| 1.02 | (k) Checking of presence if circlips.
(l) Checking IR between phase to phase (VCB closed condition).
(m) Checking IR between phase to earth (VCB closed condition).
(n) Checking IR between phase to earth (VCB open condition).
(o) Cleaning and providing lubricants on movable mechanical parts.
(p) Testing of relays through secondary injections.
(q) Tripping of VCB through Buchholz relay / OTI / WTI if required.
(r) Testing of CTs & PTs.
(s) Testing of contact resistance of VCBs. | - | - | - | - |
| - | M&L for dis-connecting the HT 33 KV SF6 panel indoor / outdoor rupturing capacity of 630 Amps, 31.5 KA, 36 KV, for servicing, cleaning, tightening of loose mechanical mechanism, greasing by taking out the trolley of the breaker, inspection of busbar, CTs/PTs, internal wiring of control panel, indicators, measuring of IR value, calibration of IDMT relays, master trip relays, testing of tripping system, to maintain desired insulation level of each panel and removing all type of dust and settled dirt by mechanical means including testing complete all as specified and as directed by Engineer-in-Charge including the followings: | 11 | EACH JOB | - | - |
| 2.01 | (a) Cleaning of SF6 Breaker with CRC-226.
(b) To check the condition of SIC contacts.
(c) Checking condition and alignment of jaw contact.
(d) Checking and proper tightening of hardware.
(e) Checking of proper closing / open of all poles.
(f) Checking of breaker tripping through push button.
(g) Checking and adjusting gap between hylem sheet and side plate.
(h) Checking motor operation in case of EDO.
(j) Checking auxiliary contacts continuity proper change over. | - | - | - | - |
| 2.02 | (k) Checking of presence if circlips.
(l) Checking IR between phase to phase (SF6 breaker closed condition).
(m) Checking IR between phase to earth (SF6 breaker closed condition).
(n) Checking IR between phase to earth (SF6 breaker open condition).
(o) Cleaning and providing lubricants on movable mechanical parts.
(p) Testing of relays through secondary injections.
(q) Tripping of SF6 Breaker through Buchholz relay / OTI / WTI if required.
(r) Testing of CTs & PT.
(s) Testing of contact resistance of SF6 breakers. | - | - | - | - |
| - | S&F in repair, spout bushing for indoor 11 KV 400 to 1600 Amps complete assembly for lower side & upper side VCB complete all as specified and directed. | 5 | EACH | - | - |
| - | S&F in repair, spout bushing for indoor 33 KV 400 to 630 Amps complete assembly for lower side & upper side SF6 breaker complete all as specified and directed. | 3 | EACH | - | - |
| - | S&F in repair, 400 to 800 Amps, contact plugs for 11 KV VCBs complete all as specified and directed. | 5 | EACH | - | - |
| - | S&F in repair, 400 to 800 Amps, contact plugs for 33 KV SF6 breakers complete all as specified and directed. | 3 | EACH | - | - |
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