Tender For Provision Of Servo Stabilizer And Isolation Transformer For Certain Locations At Af Stn Gorakhpur
Tender Value
43.51 Lakhs
Estimated cost
Bid Submission
07 Sep 2026
9 days left
EMD
87100
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Gorakhpur → Uttar Pradesh
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Provision Of Servo Stabilizer And Isolation Transformer For Certain Locations At Af Stn Gorakhpur
BOQ
| Sl. No. | Item Description |
| 1 | Supply, installation, testing and commissioning of Servo Controlled Voltage Stabilizer(confirming to BIS 9815 :1994, reaffirmation 2019 incl latest amendments). Three phase,four wire (RYBN), 50 Hz, Naturally Oil cooled, indoor, unbalanced type, copper wound,metallic body duly power coated with lifting hooks two nos, digital display type, relay free smooth and silent operation with 1st filling of Transformer oil up to the required level having following specifications :- Capacity 500 KVA Make : APLAB/VENER-7/SINETRAC/VINITEC or Techno-commercially equivalent makes as approved by GE.(a) Capacity - 500 KVA,(b) Type - Suitable for unbalanced load and unbalanced input,(c) Input voltage – 360 V to 480 V, Input frequency 50 Hz,(d) Output voltage - Stabilized at 415 V+/- 1% without Spikes,(e) Rated frequency - 50 Hz,(f) Wave form distortion - Nil,(g) Response time - Not to exceed 10 milli seconds & PF at full load shall not exceed 0.95,(h) Sensitivity - (+/-) 1%,(j) Rate of correction - Not less than 50 Volts/Second between phase and neutral without under/over shooting.,(k) Efficiency – Not Less than 98% & shall be free from distortion in wave forms,(l) Type of load three phase, unbalanced type,(m) Metering - Digital display Voltmeter/Ammeter with multi-functional meter,(n) Operating temperature - For indoor use upto max ambient temp + 55°C,(o) Class of insulation - Class F,(p) Mode of operation - Automatic/manual,(q) Winding Temperature rise - Max 55°C (10°C above operating temp),(r) Transformer oil - IS 335 marked, Oil Capacity – As per IS/OEM.,(s) Core - CRGO M4 Grade/CRNO (Cold Roll Grain Oriented)/ (Cold Rolled Non-Oriented),(t) Auto transformer (Variac) - 100 percent Copper wound Electrolytic Grade, (u) Losses - As per IS Norms,(v) Power Factor - Not less than 0.95,(w) Protections with Indications & Alarm Systems :(i) Over load protections,(ii) Short Circuit protections,(iii) High/Low voltage cut off,(iv) By pass arrangement in case of Emergency,(v) Single phase sequence change /phase fail protection,(vi) Earth fault protection,(x) Standard Fittings & Accessories :(i) Name, Rating & Terminal Marking plate,(ii) Digital Temperature Indicator.,(iii) Plain Unidirectional CI Rollers.,(iv) Lifting Lugs.,(v) Earthing Terminals.,(vi) Oil Level Gauge.,(vii) Control Panel.,(viii) Automatic Module.,(ix) Cooling Radiators etc.,(y) Other Fittings & Accessories :(i) Input/Incoming side 4P, MCCB, 630 A, 36 KA Breaking Capacity, Ics = 100% Icu suitable for 500 KVA Servo Voltage Stabilizer.,(ii) Output/Outgoing Side Heavy Duty Power Contactor of rating/type suitable for 500 KVA Servo Voltage Stabilizer. |
| 2 | Supply, installation, testing and commissioning of Servo Controlled Voltage Stabilizer(confirming to BIS 9815 :1994, reaffirmation 2019 incl latest amendments). Three phase,four wire (RYBN), 50 Hz, Naturally Oil cooled, indoor, unbalanced type, copper wound,metallic body duly power coated with lifting hooks two nos, digital display type, relay free smooth and silent operation with 1st filling of Transformer oil up to the required level having following specifications :- Capacity 200 KVA Make : APLAB/VENER-7/SINETRAC/VINITEC or Techno-commercially equivalent makes as approved by GE.(a) Capacity - 200 KVA,(b) Type - Suitable for unbalanced load and unbalanced input,(c) Input voltage – 360 V to 480 V, Input frequency 50 Hz,(d) Output voltage - Stabilized at 415 V+/- 1% without Spikes,(e) Rated frequency - 50 Hz,(f) Wave form distortion - Nil,(g) Response time - Not to exceed 10 milli seconds & PF at full load shall not exceed 0.95,(h) Sensitivity - (+/-) 1%,(j) Rate of correction - Not less than 50 Volts/Second between phase and neutral without under/over shooting.,(k) Efficiency – Not Less than 98% & shall be free from distortion in wave forms,(l) Type of load three phase, unbalanced type,(m) Metering - Digital display Voltmeter/Ammeter with multi-functional meter,(n) Operating temperature - For indoor use upto max ambient temp + 55°C,(o) Class of insulation - Class F,(p) Mode of operation - Automatic/manual,(q) Winding Temperature rise - Max 55°C (10°C above operating temp),(r) Transformer oil - IS 335 marked, Oil Capacity – As per IS/OEM.,(s) Core - CRGO M4 Grade/CRNO (Cold Roll Grain Oriented)/ (Cold Rolled Non-Oriented),(t) Auto transformer (Variac) - 100 percent Copper wound Electrolytic Grade, (u) Losses - As per IS Norms,(v) Power Factor - Not less than 0.95,(w) Protections with Indications & Alarm Systems :(i) Over load protections,(ii) Short Circuit protections,(iii) High/Low voltage cut off,(iv) By pass arrangement in case of Emergency,(v) Single phase sequence change /phase fail protection,(vi) Earth fault protection,(x) Standard Fittings & Accessories :(i) Name, Rating & Terminal Marking plate,(ii) Digital Temperature Indicator.,(iii) Plain Unidirectional CI Rollers.,(iv) Lifting Lugs.,(v) Earthing Terminals.,(vi) Oil Level Gauge.,(vii) Control Panel.,(viii) Automatic Module.,(ix) Cooling Radiators etc.,(y) Other Fittings & Accessories :(i) Input/Incoming side 4P, MCCB, 400 A, 36 KA Breaking Capacity, Ics = 100% Icu suitable for 200 KVA Servo Voltage Stabilizer.,(ii) Output/Outgoing Side Heavy Duty Power Contactor of rating/type suitable for 200 KVA Servo Voltage Stabilizer. |
| 3 | Supply, installation, testing and commissioning of Servo Controlled Voltage Stabilizer(confirming to BIS 9815 :1994, reaffirmation 2019 incl latest amendments). Three phase,four wire (RYBN), 50 Hz, Naturally Oil cooled, indoor, unbalanced type, copper wound,metallic body duly power coated with lifting hooks two nos, digital display type, relay free smooth and silent operation with 1st filling of Transformer oil up to the required level having following specifications :- Capacity 100 KVA Make : APLAB/VENER-7/SINETRAC/VINITEC or Techno-commercially equivalent makes as approved by GE.(a) Capacity - 100 KVA,(b) Type - Suitable for unbalanced load and unbalanced input,(c) Input voltage – 360 V to 480 V, Input frequency 50 Hz,(d) Output voltage - Stabilized at 415 V+/- 1% without Spikes,(e) Rated frequency - 50 Hz,(f) Wave form distortion - Nil,(g) Response time - Not to exceed 10 milli seconds & PF at full load shall not exceed 0.95,(h) Sensitivity - (+/-) 1%,(j) Rate of correction - Not less than 50 Volts/Second between phase and neutral without under/over shooting.,(k) Efficiency – Not Less than 98% & shall be free from distortion in wave forms,(l) Type of load three phase, unbalanced type,(m) Metering - Digital display Voltmeter/Ammeter with multi-functional meter,(n) Operating temperature - For indoor use upto max ambient temp + 55°C,(o) Class of insulation - Class F,(p) Mode of operation - Automatic/manual,(q) Winding Temperature rise - Max 55°C (10°C above operating temp),(r) Transformer oil - IS 335 marked, Oil Capacity – As per IS/OEM.,(s) Core - CRGO M4 Grade/CRNO (Cold Roll Grain Oriented)/ (Cold Rolled Non-Oriented),(t) Auto transformer (Variac) - 100 percent Copper wound Electrolytic Grade, (u) Losses - As per IS Norms,(v) Power Factor - Not less than 0.95,(w) Protections with Indications & Alarm Systems :(i) Over load protections,(ii) Short Circuit protections,(iii) High/Low voltage cut off,(iv) By pass arrangement in case of Emergency,(v) Single phase sequence change /phase fail protection,(vi) Earth fault protection,(x) Standard Fittings & Accessories :(i) Name, Rating & Terminal Marking plate,(ii) Digital Temperature Indicator.,(iii) Plain Unidirectional CI Rollers.,(iv) Lifting Lugs.,(v) Earthing Terminals.,(vi) Oil Level Gauge.,(vii) Control Panel.,(viii) Automatic Module.,(ix) Cooling Radiators etc.,(y) Other Fittings & Accessories :(i) Input/Incoming side 4P, MCCB, 250 A, 36 KA Breaking Capacity, Ics = 100% Icu suitable for 100 KVA Servo Voltage Stabilizer.,(ii) Output/Outgoing Side Heavy Duty Power Contactor of rating/type suitable for 100 KVA Servo Voltage Stabilizer. |
| 4 | S&F of Voltage stabilizer for automatic operation,three phase naturally oil cooled indoor type & designed for input variation between 340 V to 460 V with output voltage stabilized at 415 with accuracy ± 2.5% and speed of correction 8 Volts per second and of capacity 10 KVA complete all as specified and directed. Make : APLAB/VENER-7/SINETRAC/VINITEC or Techno-commercially equivalent makes as approved by GE. |
| 5 | Supply , Installation, testing and commissioning of indoor type of oil cooled isotation transformer 100 KVA step-III, IS-2026 Three phase, metalic body unbalanced type, copper wound with standard fitings and accessiones, input voltage of 415 volt , output voltage 415 volt IP-42, vector group Dyn-11, of frequency 50Hz and with following description including first fill of transformer Oil IS 335 ISI marked :-(a) Method of cooling air cooled (b) Rato-1:1 (c) Insulation class-Class E (d) Winding Temperature-Less than 55 C (e) Full load losses Less than 5% (f) No load tosses Less than 0.5%(h) Potential difference between Earth to Neutral voltage- Less than 01 voltNate:- (a) in addtion to the above all standard fittings to be provided as per ISI noms. |
| 6 | Supply , Installation, testing and commissioning of outdoor type of oil cooled isotation transformer 75 KVA step-III, IS-2026 Three phase, metalic body unbalanced type, copper wound with standard fitings and accessiones, input voltage of 415 volt , output voltage 415 volt IP-42, vector group Dyn-11, of frequency 50Hz and with following description including first fill of transformer Oil IS 335 ISI marked :-(a) Method of cooling air cooled (b) Rato-1:1 (c) Insulation class-Class E (d) Winding Temperature-Less than 55 C (e) Full load losses Less than 5% (f) No load tosses Less than 0.5%(h) Potential difference between Earth to Neutral voltage- Less than 01 voltNate:- (a) in addtion to the above all standard fittings to be provided as per ISI noms. |
| 7 | Supply , Installation, testing and commissioning of indoor type of oil cooled isotation transformer 10 KVA step-III, IS-2026 single phase, metalic body unbalanced type, copper wound with standard fitings and accessiones, input voltage of 220 volt , output voltage 220 volt IP-42, vector group Dyn-11, of frequency 50Hz and with following description including first fill of transformer Oil IS 335 ISI marked :-(a) Method of cooling air cooled (b) Rato-1:1 (c) Insulation class-Class E (d) Winding Temperature-Less than 55 C (e) Full load losses Less than 5% (f) No load tosses Less than 0.5%(h) Potential difference between Earth to Neutral voltage- Less than 01 voltNate:- (a) in addtion to the above all standard fittings to be provided as per ISI noms. |
| 8 | Excavation in trenches n. exc 1.5 m wide and n.exc 1.5 m in depth and getting out soft/loose soil complete all as specified and as directed for laying of under ground cable, foundation of pole and stay etc. complete all as specified and as directed |
| 9 | Returning, filling in, including spreading, levelling, watering and well remmining in layers not exc 25 cm. |
| 10 | Removing excavated material n.exc 50 m and depositing where directed at a level n. exc 1.5 m above the starting point all as directed. |
| 11 | M&L for sand cushioning to U/G cable in layers of 23 cm thick( 8 Cm before laying the cable and 15 Cm thick after laying the cable) in trenches complete all as specified and directed.Note :- Only Puned down volume shall be measured. |
| 12 | Supply and lay burnt best quality locally available old size sub class 'B' bricks laid in trenches perpendicular to U/G cable for cable protection complete all as specified and as directed. |
| 13 | Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 185 sq mm 3.5 core complete all as specified and as directed. |
| 14 | Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 120 sq mm 3.5 core complete all as specified and as directed. |
| 15 | Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 95 sq mm 3.5 core complete all as specified and as directed. |
| 16 | Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 70 sq mm 3.5 core complete all as specified and as directed. |
| 17 | Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 35 sq mm 3.5 core complete all as specified and as directed. |
| 18 | S & F of on load Changeover switch 415 Volt in sheet metal enclosure 4 pole of capacity 630 Amp all as specified and directed |
| 19 | S & F of on load Changeover switch 415 Volt in sheet metal enclosure 4 pole of capacity 315 Amp all as specified and directed |
| 20 | S & F of on load Changeover switch 415 Volt in sheet metal enclosure 4 pole of capacity 250 Amp all as specified and directed |
| 21 | S & F of on load Changeover switch 415 Volt in sheet metal enclosure 4 pole of capacity 200 Amp all as specified and directed |
| 22 | M&L for earthing complete with galvanised steel earth plate electrode 600 x 600 x 6 mm thick, burried directly into the ground (earth pit not less than 2.25 mtr below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level, connected to GI earth strip 32x6 mm by means of bolts, nuts, check nuts, and washers of galvanised iron or steel all as shown iln electrical plate No. 3 connected to earthing test point all as specified or indicated including excavation and connected earth work, PCC chamber and cover, watering pipe, funnel wire mesh but without earth lead protection pipe and test on completion after dismantling unserviceable erthing (above GL only) complete all as directed. |
| 23 | Supply and fix earth continuity conductor or main earthing lead fixed to wall or on pole or any other indicated situation as GI strip of size 32x6 mm connected to test point complete all as specifie and as directed Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Aug 18, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedSep 07, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 9 daysSep 09, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 11 daysTender Documents
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