Tender For Special Repair Replacement Of Four Pole Structure To Rmu At Certain Locations At Af Stn Sarsawa Under Ge Af Sarsawa
Tender Value
48.84 Lakhs
Estimated cost
Bid Submission
20 Aug 2026
19 days left
EMD
97680
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Saharanpur → Uttar Pradesh
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Special Repair Replacement Of Four Pole Structure To Rmu At Certain Locations At Af Stn Sarsawa Under Ge Af Sarsawa
BOQ
| Sl. No. | Item Description |
| 1 | Supply install testing and commisioning of 11KV Extensible Outdoor duty (IP 55 enclosure) SF6 gas insulated 3 way motor operated Ring Main Unit comprising of 1 no. 630 Amps Load Break Switch as incomer and 2nos. 630 Amps Vacuum Circuit Breaker as outgoing , cable termination from the front,breaking capacity 21KA/3sec (Internal Arc Classification AFLR 21kA-1sec with Bottom Exhaust both for tank and cable box as per IEC 62271-200), enclosed in robotically welded stainless steel tank having IP67 Degree of Protection, leak rate of SF6 gas less than 0.1% and tested as per IEC 60056/60694/60298. Protection CTs shall be ring core type, complete all as specified and directed. The outer enclosure shall have IP 55 protection, it should be Top Opening Canopy type, Indoor RMU placed inside Outdoor Enclosure should not be acceptable. Both the Load break switch and Breaker should have line side earth switch. Each of the Ring main unit shall comprise of the followings :- |
| 2 | BOQ item No. 1.00 contd...../-(A) NOTE:- Other details:- System Particulars:- (i) Nominal System Voltage : 11kV. (ii) Voltage variation on supply side : ±10 %. (iii) Corresponding Highest System Voltage: 12kV. (iv)Frequency : 50 Hz with ± 3 % tolerance. (v) Transient condition : -20 % or + 10 % combined variation of Voltage and frequency. (vi) Number of Phase : 3 Phases. (vii) Neutral earthling :Solidly earthed.(viii) Fault level (minimum) kA /Sec : 21/3). (ix) Lightning Impulse Withstand Voltage (kVp) : 75 (x) One minute dry/wet power frequency withstand voltage primary (kV rms) : 28KV (xi) Rated Dynamic Withstand Current (kAp) : 52.5KA. (xii) Number of Short Circuit Operations at rated short circuit current of 21 kA for Breaker - 50 Nos. (xiii) Earth switch should have 5 closing operation at short circuit current (making operations E2 class) independent of breaker. Earth switch manual closing shall be driven by a fast acting / snap action mechanism,independent of operator and VCB action. (xiv) Side and rear cable entry is not acceptable, all operation, interlock, cable terminations and door shall be front side only. |
| 3 | BOQ item No. 1.00 contd...../-(B) Applicable Standards for this RMU scope of work - IEC 62271-200. (i) The Ring Main Units shall conform to the latest applicable, IEC 62271-100, IEC 62271-200. (ii) All live parts, bus bars, shall preferably be enclosed in non- magnetic and non-ferrite grade stainless steel tank Grade SS441 of minimum 2 mm thickness. The RMU shall be type tested for internal arc test of 21KA/1 sec AFLR with Bottom Exhaust for Safety of Personnel for both Tank as well as Cable Compartment as per IEC62271-200. The outer enclosure shall have IP 55 protection for complete switchgears, however it should be Top Opening Canopy & Indoor RMU placed inside Outdoor Enclosure should not be acceptable. The protection relay shall be for 3 O/C + 1E/F (IDMT Type) Self powered numerical protection relay with low and high set of over current and earth fault , MODBUS communication along with RS 485 Port / USB Port. (iii) Internal Arc Classification should be with Bottom exhaust only. RMUs should be manufactured, inspected, and invoiced from the OEM factory. (iv) Temperature & climatic sensor in each panel, Wireless & Self powered Temperature sensor should be mounted in Busbar & Breaker chamber and the same data should display on the panel. |
| 4 | BOQ item No. 1.00 contd...../-(C) Air Insulated Bus Connected Unit comprising the following :-(1) Air Insulated enclosure with necessary bus connection via bushing. VT’s from the manufacturer and according to IS 3156 shall be accepted.(2) 11KV/rt3/110V/rt3; 50VA class 0.5. Single phase bus PT for metering.(3) 11KV/230V AC, 1KVA control transformer – Optional is Aux supply at site is not available.(4) MFM – EM 6400 NG Class 0.5 for each Incomer.(5) Metering CT in respective Function’s Cable Compartment in RMU XX/1A, Class 0.5, 2.5 VA.(D). Accessories :- (1) Antireflex operating handle.(2) Battery 24V DC , of suitable rating.(3) Battery charger (I/P-230V AC, O/P - 24V DC). (4) Manometer with remote contact.(E) FRTU per RMU should be provided with provision to send data on SCADA. |
| 5 | Supply of 11KV Extensible Outdoor duty (IP 55 enclosure) SF6 gas insulated 4 way motor operated Ring Main Unit comprising of 1 no. 630 Amps Load Break Switch as incomer and 3nos. 630 Amps Vacuum Circuit Breaker as outgoing , cable termination from the front, breaking capacity 21KA/3sec (Internal Arc Classification AFLR 21kA-1sec with Bottom Exhaust both for tank and cable box as per IEC 62271-200), enclosed in robotically welded stainless steel tank having IP67 Degree of Protection, leak rate of SF6 gas less than 0.1% and tested as per IEC 60056/60694/60298. Protection CTs shall be ring core type, complete all as specified and directed. The outer enclosure shall have IP 55 protection, it should be Top Opening Canopy type, Indoor RMU placed inside Outdoor Enclosure should not be acceptable. Both the Load break switch and Breaker should have line side earth switch. Each of the Ring main unit shall comprise of the followings:- |
| 6 | BOQ item No. 2.00 contd...../-(A) NOTE:- Other details:- System Particulars:- (i) Nominal System Voltage : 11kV. (ii) Voltage variation on supply side : ±10 %. (iii) Corresponding Highest System Voltage: 12kV. (iv) Frequency : 50 Hz with ± 3 % tolerance. (v) Transient condition : -20 % or + 10 % combined variation of Voltage and frequency. (vi) Number of Phase : 3 Phases. (vii) Neutral earthling : Solidly earthed. (viii) Fault level (minimum) kA /Sec : 21/3). (ix) Lightning Impulse Withstand Voltage (kVp) : 75 (x) One minute dry/wet power frequency withstand voltage primary (kV rms) : 28KV (xi) Rated Dynamic Withstand Current (kAp) : 52.5KA. (xii) Number of Short Circuit Operations at rated short circuit current of 21 kA for Breaker - 50 Nos. (xiii) Earth switch should have 5 closing operation at short circuit current (making operations E2 class) independent of breaker. Earth switch manual closing shall be driven by a fast acting / snap action mechanism, independent of operator and VCB action. (xiv) Side and rear cable entry is not acceptable, alloperation, interlock, cable terminations and door shall be front side only. |
| 7 | BOQ item No. 2.00 contd...../-(B) Applicable Standards for this RMU scope of work - IEC 62271-200. (i) The Ring Main Units shall conform to the latest applicable, IEC 62271-100, IEC 62271-200. (ii) All live parts, bus bars, shall preferably be enclosed in non- magnetic and non-ferrite grade stainless steel tank Grade SS441 of minimum 2 mm thickness. The RMU shall be type tested for internal arc test of 21KA/1 sec AFLR with Bottom Exhaust for Safety of Personnel for both Tank as well as Cable Compartment as per IEC62271-200. The outer enclosure shall have IP 55 protection for complete switchgears, however it should be Top Opening Canopy & Indoor RMU placed inside Outdoor Enclosure should not be acceptable. The protection relay shall be for 3 O/C + 1E/F (IDMT Type) Self powered numerical protection relay with low and high set of over current and earth fault , MODBUS communication along with RS 485 Port / USB Port. (iii) Internal Arc Classification should be with Bottom exhaust only. RMUs should be manufactured, inspected, and invoiced from the OEM factory. (iv) Temperature & climatic sensor in each panel, Wireless & Self powered Temperature sensor should be mounted in Busbar & Breaker chamber and the same data should display on the panel. |
| 8 | BOQ item No. 2.00 contd...../-(C) Air Insulated Bus Connected Unit comprising the following:- (1) Air Insulated enclosure with necessary bus connection via bushing. VT’s from the manufacturer and according to IS 3156 shall be accepted. (2) 11KV/rt3/110V/rt3; 50VA class 0.5. Single phase bus PT for metering. (3) 11KV/230V AC, 1KVA control transformer – Optional is Aux supply at site is not available. (4) MFM – EM 6400 NG Class 0.5 for each Incomer. (5) Metering CT in respective Function’s Cable Compartment in RMU XX/1A, Class 0.5, 2.5 VA.(D). Accessories :- (1) Antireflex operating handle. (2) Battery 24V DC , of suitable rating. (3) Battery charger (I/P-230V AC, O/P - 24V DC). (4) Manometer with remote contact.(E) FRTU per RMU should be provided with provision to send data on SCADA. |
| 9 | S&F cable jointing kit for 11 KV earthed grade cable, indoor termination heat shrinkable type joints with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm complete all as specified & directed. |
| 10 | Dismantling/taking down of steel tubular poles, strut any size complete all as specified & directed. |
| 11 | Dismantling of cross-arms of MS channel or angle sections etc. complete all as specified & directed. |
| 12 | Dismantling of electric insulators any type, any size complete all as specified & directed. |
| 13 | Dismantling Lightning Arrestor (LA), 11 KV, any type, any size complete all as specified & directed. |
| 14 | Dismantling of Gang operated device(GOD) any type/rating complete all as specified & directed. |
| 15 | M&L earthing complete with galvanized steel earth plate electrode 60 cm X 60 cm, 6mm thick buried vertically in ground to depth not less than 2.25 mtr below ground level, with top edge of earth plate not less than 1.5 mtr below ground level, connected to GI earth lead strip 32mm x 6mm upto 7.5 mtr long by means of bolts, nuts, check nuts and washers of galvanized iron and connection to earthing test point & earth dolly including watering pipe GI 20 mm bore medium grade 1.5 mtr long & protection pipe GI light grade 40mm bore upto 7.5 mtr long, wire mesh, funnel, lugs, salt, charcoal dust, excavation & earthwork in soft/loose type of soil and refilling, pit chamber with PCC 1:3:6 type C-1 (using 20 mm graded mechnically crushed stone aggregates) and pit cover slab 40mm thick precast RCC 1:2:4 type B-1 (using 20 mm graded mechnically crushed stone aggregates) reinforced with 8 mm dia TMT bars @ 15 cm c/c both ways including necessary form work, all as shown in electrical plate No 3 of MES SSR part-I, including testing on completion at site complete all as specified & directed. Notes:- (i) On testing if the desired earth resistance (i.e. less than 5 ohm) is not obtained, earthing will be generated at no extra cost, till the desired earth resistance is obtained. (ii) The chamber shall be constructed atleast 1.5 mtr away from the earth electrode. |
| 16 | Material and labour for plain cement concrete (PCC) 1:4:8, type D-2, using 40 mm graded mechanically crushed stone aggregates as in foundations, filling and mass concrete etc. complete all as specified & directed. |
| 17 | Material and labour for plain cement concrete (PCC) 1:3:6, type C-2, using 40 mm graded mechanically crushed stone aggregates as in foundations, filling and mass concrete etc. complete all as specified & directed. |
| 18 | Material and labour for plain cement concrete (PCC) 1:2:4, type B-1, using 20 mm graded mechanically crushed stone aggregates as in coping to pole etc. including necessary formwork to exposed surface finished even & smooth complete all as specified & directed. |
| 19 | Excavating in post holes (or similar holes) each not exceeding 0.5cum, in soft/loose soil, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm and removal of surplus soil to the distance not exceeding 50mtr complete all as specified & directed. |
| 20 | Supply and fixing galvanized iron chain link fencing 4mm dia, made of mild steel GI mesh 50mm x 50mm weight not less than 4Kg per Sqm, binding the same with binding wires including all necessary drilling , bolting or riveting etc complete all as specified & directed.Notes: (i) Line wire 12mm dia, MS flat iron & Nut/bolts shall be measured & paid seperately. |
| 21 | Supply and fixing mild steel screw bolts (machine made) with hexagonal head at one end and screwed the other end or screwed both ends, each screwed end to be fitted with one washers and with one hexagonal nut of exceeding 5cm but not exceeding 10cm length with dia of neck 11mm to 15mm etc complete all as specified & directed. |
| 22 | Supply and fixing mild steel work such as angle iron in posts & struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire etc., flat iron fillets (for securing wire mesh etc) including necessary welding where required as per site requirement and other similar works complete, conforming to Gde E-165 (Fe-290) complete all as specified & directed. Please Enable Macros to View BoQ information |
| 23 | Supply and fixing mild steel work such as angle iron in posts & struts in fencing including cutting tops to shape as directed, drilling holes, notching for wire etc., flat iron fillets (for securing wire mesh etc) including necessary welding where required as per site requirement and other similar works complete, conforming to Gde E-165 (Fe-290) complete all as specified & directed. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jul 30, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedAug 20, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 19 daysAug 22, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 21 daysTender Documents
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