Tender For Repair/Maintenance Of Ht Vcbs, Rmu And Allied Works At Mrs And Sub Station At South Area And Dabathwa Area Under Age E/M (Es) At Ge (U) Meerut Cantt
Tender Value
75 Lakhs
Estimated cost
Bid Submission
10 Oct 2026
27 days left
EMD
1.37 Lakhs
Bank guarantee accepted
Document Fee
1000
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Meerut → Uttar Pradesh
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Repair/Maintenance Of Ht Vcbs, Rmu And Allied Works At Mrs And Sub Station At South Area And Dabathwa Area Under Age E/M (Es) At Ge (U) Meerut Cantt
BOQ
| Sl. No. | Item Description |
| 1 | M & L for servicing and checking of EXISITING 11 KV Breakers any make and type make VCB with blower, cleaning of existing HT panel inside & outside with tighting of all bus bar, nut & bolt, alignment, adjustment of gaps between phase to phase as per manufacturer recommended, Checking and tightening of control wiring circuit as charging motor closing coil and tripping coil circuit, Manually tripping testing of VCB, Cleaning, removal of dust and dirt to male/Female contacts, greasing & lubrication all moving fixed part including replacement of minor parts such as spring, washers, etc. for smooth mechanical operation etc. complete with testing commissioning as required. Servicing, , testing of ( one earth fault one over current) 11 KV /VCB, Operational testing through relay front pad as well as push button, Testing of safety relays, Tripping testing of VCB through over current and earth fault relay,testing and servicing of the existing 11 kV VCB panel, including high pot tests and submission of test certificates with proper sealing. Primary injection testing to verify tripping functionality. Opening of HT panel, removal of moisture from busbars, insulators, HT cable box, and heating of P.T. and C.T. chambers. Relay settings to be checked and configured as per the protection scheme. During breaker racking, inspection of jaw-type male/female contacts connected to the busbar is included—cleaning or replacement shall be done if found carbonized or damaged. Final insulation resistance (megger) testing of all components to be completed as per standard procedures and safety norms complete all as specified and directed. Note : Minor spare part should incl in qouted rates for making functional & major spare may be pay separety as per BOQ Items. |
| 2 | M & L for servicing and checking of EXISITING 33 KV Breakers along with 33kV CR Panel indoor type at MRS any make and type make VCB with blower, cleaning of existing HT panel inside & outside with tighting of all bus bar, nut & bolt, alignment, adjustment of gaps between phase to phase as per manufacturer recommended, Checking and tightening of control wiring circuit as charging motor closing coil and tripping coil circuit, Manually tripping testing of VCB, Cleaning, removal of dust and dirt to male/Female contacts, greasing & lubrication all moving fixed part including replacement of minor parts such as spring, washers etc. for smooth mechanical operation etc. complete with testing commissioning as required. Servicing, testing of ( one earth fault one over current) testing of 33 KV /VCB, Operational testing through relay front pad as well as push button, Testing of safety relays, Tripping testing of VCB through over current and earth fault relay,testing and servicing of the existing 33 kV VCB panel, including high pot tests and submission of test certificates with proper sealing. Primary injection testing to verify tripping functionality. Opening of HT panel, removal of moisture from busbars, insulators. Relay settings to be checked as per UPPCL setting and configured as per the protection scheme. Final insulation resistance (megger) testing of all components to be completed as per standard procedures and safety norms complete all as specified and directed. Note : Minor spare part should incl in qouted rates for making functional & major spare may be pay separety as per BOQ items. |
| 3 | M & L for dismentaling of old unservicable fuse kit, kat , existing IDMT O/C & E/F relays, burnt contactores and replacement with new microprocessor type solid state electronic ON LOAD protection system with Plug Setting Multiplier of Relay, Time Setting Multiplier of Relay, Time vs. PSM Curve settings,Calculation of Relay Operation Time,1. Current setting. 2. Fault current level. 3. Ratio of current transformer. 4. Time / PSM curve. 5. Time setting. Output impedance shall be 3.0 to 5.0 percent,The card shall be manufactured such that it will maintain electrical properties, even under severe overload, under/over voltage and under/over frequency conditions. Input correction range shall be -30% to +20% of nominal input voltage. The system design shall be capable of operating at an input frequency range of -15% to +10% of nominal, without clearing protective devices or causing component failure within the Microprocessor Card. Upon turn on or restart, the output of the Microprocessor Card shall not exceed the specified output regulation limits. if the input voltage or frequency exceeds programmable minimum or maximum set points for a programmable time period (factory set for 10 seconds), the Microprocessor Card shall electronically shut off. When electrical parameters are back within acceptable limits for a programmable time period (factory set for 60 seconds), the Microprocessor Card shall automatically restart to provide conditioned power to the load. If the input parameters are within acceptable limits, but the output voltage is outside of acceptable programmed limits, the Microprocessor Card shall electronically shut off and require a manual restart. The Microprocessor Card shall be capable of operating at 100% rated |
| 4 | load capacity continuously, 200% rated load for 10 seconds, 500% rated load for 1 second and 1000% rated load for 1 cycle. Operating efficiency shall be a minimum of 96%, typical at full load. Transverse-mode noise attenuation shall be 3dB down at 1000Hz and 40dB down per decade to below 50dB with a resistive load. Common-mode noise attenuation shall be 140dB or greater.The Microprocessor Card shall respond to any line voltage variation in 1/2 cycle while operating linear or non-linear loads, with a load power factor of 0.60 of unity. Peak detection of the voltage sine wave shall not be permitted to avoid inaccurate tap switching due to input voltage distortion. Line Voltage Regulation and Correction Time: Output regulation shall be +5%, -6%, given an input voltage variation of -30% to +30% for nominal, when within +/-5% of the nominal frequency. The Microprocessor Card output voltage shall be corrected to within +5%, -6% or less within 1 cycle per tap for an under voltage condition. For an over voltage condition, the output shall correct within 1 cycle directly to the appropriate tap without stair-casing intermediate taps. Typical correction time shall be 1 to 2 cycles. Load Regulation: No load to full load regulation shall be 3% typical under linear loading. Note: The Microprocessor Card shall be adjusted so that the combination of line voltage regulation and linear load regulation results in a maximum output voltage variation of +7% to -8% from nominal, when within +/-5% of the nominal frequency. |
| 5 | Operating Frequency: The Microprocessor Card shall be capable of operating at +10% to -15% of the nominal frequency, 50Hz or 60Hz, with programmable high and low limits to alarm and electronically shut down the Microprocessor Card. Limits shall be set to +/-2Hz from nominal and electronic shutdown shall occur if limits are exceeded for 10 seconds. Once back within limits for a programmable time period of 60 seconds, the Microprocessor Card shall automatically restart. 2.5 Site Specific Data: Input Over Current Protection: The Microprocessor Card shall be provided with an integral, three pole, molded case, manually operated, thermal magnetic input circuit breaker rated at 125% of the full load input current. In addition, the system input current, Phase R, Y and B, shall be monitored and digitally displayed. A programmable over current alarm shall be provided. Bypass Switch: The Microprocessor Card shall be provided with an integral break before make rotary bypass switch. The Microprocessor Card shall be either on line or bypassed with one turn of the switch. On models where the input and output nominal voltages are different, a regulator bypass shall be provided in which the shielded isolation transformer will remain on line to provide voltage transformation and isolation. On models where the input and output nominal voltages are the same, an integral break before make rotary maintenance bypass switch shall be provided to wrap around and isolate the Microprocessor Card. In this case, an input neutral conductor(s) shall be provided and the bypass switch shall bypass the output neutral, as well as, the phase conductors. The bypass switch circuitry shall be wired such that it cannot switch the unregulated power directly to the active load. Bypass switch actuation shall trip the Microprocessor Card input breaker, so that the |
| 6 | facility load must then be reconnected using the input breaker.Alarms: The Microprocessor Card shall be provided with an input over/under voltage, input over current, over/under frequency, voltage phase reversal, voltage phase imbalance, output over/under voltage, and output over current alarms. The alarms shall automatically reset upon return to nominal operating conditions. Remote communication of alarms via a contact closure shall be provided. Optional digital communication via RS232 and RS485 shall be made available. The Microprocessor Card shall be provided with individual “Fuse Failure” indicator lights, phase R, Y and B, on the front panel for diagnostic purpose. The Microprocessor Card shall be equipped with True RMS Measurement, Stores last 15 faults, Detection of fault with display of parameter value, USB configuration with PRKAB, CBCT open detection circuit Earth Leakage Re to Detect and protect instruments from leakage current, Dual Color LED for fault indication, : A digital input meter shall be provided to display line voltages, line currents, frequency, kVA, kW, and power factor. A separate digital output meter shall be provided to display line to line voltages, line to neutral voltages, phase currents and neutral current. Both meters shall have programmable minimum and maximum value set points, recorded in EEPROM. |
| 7 | Both meters shall be capable of optional remote communications via RS232 and RS485. Input/Output Cable Connections: The Microprocessor Card shall have provisions for the installation of cable lugs directly to the input/output bus bars or conductors to the input/output terminals provided. Grounding Cable Lugs: The Microprocessor Card shall have provisions for the installation of cable lugs directly to the ground bus bar or conductor to the terminal provided. MAKE / ABB/ CG/C&S/ASHIDA MIN ISO 9001:2015 CERTFIED APPROVED BY GE ONLY Original OEM is entitled for work . Contractor has to ensure it.Necessary test certificates & Latest Purchase Vouchers to be scrutnised / approved by Engg-in-Charge & GE first before execution at site . Any Defect occuring during this period due to bad workmanship of material, manufacturing defect shall be rectified or replaced free of cost. The contractor shall furnish written gaurantee on letter head for above mentioned to the GE immidiately after completion of work. Contractor has to ensure Post Audit of work, without that completion will not be issued. |
| 8 | M & L for dismantling of old 11kV CT at Dabatwaha and replace with new 11kV Current Transformer (CT) with three-core CT cores required for metering, protection, in an existing 11kV system Typical CT Core Requirements for 11kV System Function CT Core Required CT Core Class Burden (VA) Metering 1 core Class 0.2 / 0.5 5–15 VA Protection 1 core Class 5P10 or 10P10 15–30 VA (typically) REF Protection 1 core Class 5P20 or PS (special) Depends on scheme (15–45 VA or more) Metering: Needs high accuracy (Class 0.2 or 0.5). Low burden. Protection: Requires higher accuracy at higher currents (Class 5P10 or 10P10). Should operate correctly under fault conditions. ŌC/EF used for overcurrent and earth fault protection REF protection Very sensitive to current mismatch. Requires matched CTs with wide dynamic range (Class PS or 5P20). Used on both sides of a transformer. For an 11kV feeder, typically 3 CT cores per phase are required: • Core 1 – Metering • Core 2 – Protection (OC/EF) • Core 3 – REF The OEM of CT must take the data like lead resistance, relay burden, and system fault level from the MES before designing PS class CT. Core 1 & 2: Protection Cores These cores are designed to operate accurately during fault conditions and saturate quickly above the fault level to protect connected relays. Accuracy Class: Typically 5P or 10P (e.g., 5P10, meaning 5% error at the accuracy limit factor of 10).Burden: Typically 10 VA, 15 VA, or higher, depending on the connected relay's requirements and cable length.Accuracy Limit Factor (ALF): e.g., 10 or 15. Special Purpose (PS) Class: For high-impedance or differential protection, a PS class is used, specified by: |
| 9 | Knee Point Voltage Not less than 700 V (depends on ratio and burden).Excitation Current Specified at a certain percentage of the knee point voltage. Secondary Winding Resistance Measured and considered for relay settings. Saturation Factor: Minimum of 10 for standard protection cores. Core 3: Metering Core This core is designed for high accuracy under normal operating conditions. It has a low Instrument Security Factor (ISF) to protect the connected meters from damage during high fault currents. Accuracy Class: Typically 0.2S, 0.5, or 0.5S.Burden: Typically 5 VA or 10 VA.Instrument Security Factor (ISF): Less than 5 at the lowest ratio to protect meters complete all as specified and directed. |
| 10 | M & L for Retrofitting, Installation, and Commissioning of REF / Earth Fault Protection Relay safely dismantle the existing, unserviceable protection relay and execute the Supply, Installation, Testing, and Commissioning (S/I/T/C) of an advanced, flush-mounted, microprocessor-based Restricted Earth Fault (REF) / Directional Earth Fault Protection Relay. REF IR-protection relay comply with the IEC/DIN regulations required for the specific protection application. Plug-in technology & easy operation, quick fault-analysis and optimal communication capabilities are based on the microprocessor technology with following characteristics:Integration of multiple protective functions into one compact housing,User-friendly setting procedure by means of DIP-switches,Compact construction type by SMD~technology & also Complete suitable for earth fault directional detection with Rated data: Nominal current IN : 1A/5A Nominal frequency fN : 50/60 Hz Power consumption : 97% Returning time : 30 ms Minimum operating time : 30 ms Output relay characteristics: Maximum breaking capacity : 250 V AC / 1500 VA / continuous current 6 A Design standard : VDE 0435, part 303, IEC 255.4, BS 142 Specified ambient service Temperature range: for storage : - 40°C to + 85°C for operating : - 20°C to + 70°C Environmental protection class F as per DIN 40040 and per DIN IEC 68 2-3 : relative humidity 95 % at 40°C for 56 days Insulation test voltage, inputs and outputs between themselves and to the relay frame as per VDE 0435, part 303 IEC 255-5 : 5 kV; 1.2/50 Hz; 1 min. (except supply voltage inputs) Impulse test voltage, inputs and outputs between themselves and to the relay frame as per VDE 0435, part 303 IEC 255-5 : 5 kV; 1.2 / 50 μs; 0.5 J High frequency interference test voltage, inputs and outputs |
| 11 | between themselves and to the relay frame as per DIN IEC 255-6 : 2.5 kV / 1MHz Electrostatic discharge (ESD) test as per DIN VDE 0843, part 2 IEC 801-2 : 8 kV Electrostatic discharge (ESD) test as per DIN VDE 0843, part 4 IEC 801-4 : 4 kV / 2.5 kHz, 15 ms Radio interference suppression test as per EN 55011 : limit value class B Radio interference field test as per DIN DVE 0843, part 3 IEC 801-4 : electrical field strength 10 V/m Mechanical tests: Shock : class 1 acc. to DIN IEC 255-21-2 Vibration : class 1 acc. to DIN IEC 255-21-1 Degree of protection - front of relay : IP 54 by enclosure of the relay case and front panel (relay version D) Weight : approx. 1.5 kg Degree of pollution : 2 by using housing type A 3 by using housing type D Overvoltage class : III Influence variable values: Frequency influence : 40 Hz < f < 70 Hz:The new system must fully comply with relevant IEC, DIN, and VDE standards. Job to be carried out by Protection & Commissioning Engineer: Responsible for relay parameter configuration, programmatic validation, secondary injection testing, insulation/impulse test review, and directional feature verification. Senior Electrical Technician (Control Wiring Specialist): Responsible for safe de-termination of legacy panels, flush-mount mechanical modifications, and routing/termination of high-density secondary control wiring. Safety Officer: Responsible for implementing Lockout-Tagout (LOTO), verifying zero-energy states, issuing hot/cold work permits, and ensuring compliance with site safety protocols. The Safety Officer and Control Technician shall isolate the auxiliary AC/DC control supply and completely disconnect the current transformer (CT) secondary links via shorting terminal blocks to prevent open-circuit high-voltage transients. Dismantling: The Technician shall carefully disconnect all trailing wire harnesses from |
| 12 | the old, unserviceable protection relay. Unbolt the legacy unit and extract it from the switchgear panel door cutout. Inventory & Salvage: Hand over the unserviceable hardware to the Engineer-in-Charge along with a signed de-commissioning checklist. Mechanical Preparation: The Technician shall inspect the existing cutout. If required, the sheet metal door must be modified to accept the new flush-mounted compact housing enclosure Environmental Sealing: Ensure the installation preserves an IP54 Degree of Protection at the front panel by properly seating the factory-supplied enclosure gasket (Relay Version D) to block dust and moisture. Harness Routing: Securely mount the relay using its quick-fit plug-in technology chassis, ensuring minimal mechanical stress on terminal blocks. Integration & Wiring Architectur The Control Technician shall execute auxiliary power and CT secondary wiring in strict compliance with the following design rules: Dual-Core Functionality: Route primary directional earth fault sensing and REF inputs into the single compact housing. Terminal Terminations: Wire the output contacts ensuring they map cleanly to the master trip circuit breakers, meeting the maximum breaking capacity metrics: Maximum Breaking Capacity: 250 V AC 1500 VA Continuous Rated Current: 6 Amp Relay Performance & Technical Compliance Matrix The Protection Engineer must verify that the supplied solid-state microprocessor relay complies with the following physical, electrical, and international environmental metrics: |
| 13 | Job for Testing, Commissioning & Handover ProtocolsThe Protection & Commissioning Engineer shall direct all pre-commissioning procedures and document them in an official test log for the Garrison Engineer's (GE) approval:On-Site Diagnostic Routine1. Insulation Resistance (IR) Check: Prior to powering up the electronics, apply a calibrated 500V DC Megger between inputs, outputs, and the outer metal ground chassis to establish baseline insulation integrity.2. Secondary Current Injection Test: Use a secondary injection kit to feed precise test currents 1A to 5 {A} into the secondary sensing circuits. Verify pick-up parameters, drop-off dynamics, and minimum operating times le 30 ms.3. Directional Sensitivity Alignment: Validate proper polarity and angular alignment of the CT cross-connections to guarantee the directional earth fault module accurately discriminates between internal and external grid faults.4. Trip Circuit Loop Test: Force an artificial trip command via the relay software to confirm that the output relay contacts 250 V AC 6 A cleanly actuate the trip coil of the circuit breaker.Final Document DeliverablesUpon successful field tests, the contractor must supply:• As-built schematic drawings of the updated secondary panel wiring.• A certified test sheet displaying injected values versus actual relay response times.• A written workmanship and component warranty statement shall be addressed to the Garrison Engineer. |
| 14 | Supply, installation, testing commissioning of programmers equipped with real time power analyser / recorder complete with capacity to undertake multiple MODBUS DATA multifunctional meters with following specifications as 4G/ 3G/ 2G / Ethernet based IIoT Controller with modem input supply 230VAC, 0.5A max with multi-protocol capability Processor: Cortex-A53 64-bit SoC @ 1.2GHz RAM: 1GB Flash memory: 12GB Operating temperature: -20 to +70°C Ports: Must have an Ethernet, RS485 and USB (user defined) Remote terminal unit (RTU): 4G/ 3G/ 2G SIM cards for 5 years subscription. Data services must be from at least two reliable service providers and system should support automatic switching to 2nd service provider in case of low network without any intervention. System should support changing of service providers without changing SIM cards (future ready). Future ready RTU must have Modbus, IEC60870, IEC61850, MBUS, DLMS (all mandatory and selectable). Any other future open-source protocol (that uses RS485 or TCP port) must be provided free of cost for the period of at least 5 years (OEM declaration mandatory). Capable of capturing multi-function meter along with Run Hours as well as other fields from any compatible substation/ metering equipment Communication interface & Communication protocols Modbus, IEC60870, IEC61850, MBUS, DLMS (all mandatory and selectable on all adequate ports). Any open-source protocol (for RS485 and ethernet port) will be supported for five years without any cost (OEM declaration mandatory) Enclosure with Energy meter connection Must support different make models of energy meters in same daisy chain Time payload 1 min, 5 min, 15 min configurable remotely with real-time anomaly detection Technical details Real- |
| 15 | time KW, KVA, KVAR, phase-wise, consumption KWh, KWh, KVarh, KVAh, PF, phase-wise PF, Hz, I, Ig, In, VLL (phase wise), VLN (phase wise), Vn, Vg, harmonics, voltage and current unbalance User Interface . The system should support adding more parameters in future with minimal changes. AF should have a mechanism to proactively know when some equipment is not giving data / has errors without coming to site. User interface should be remotely accessible on internet, with secure login credentials. User interface should work on secure https. Communication between data gathering, and data storage should be over a secure encrypted channel. IIOT controller must have inbuild local control capability to operate in case of network unavailability. However, control logics must be configurable remotely. The user-interface should have minimum of following tabs (all dashboards, reports must be self-configurable without any scripting or OEM intervention): Dashboard - To evaluate captured parameters at a glance with current, hourly, daily, weekly, monthly, & yearly. End-user should be able to create Dashboards on their own, without AF involvement. |
| 16 | End user should be able to define number of rows / columns in dashboard, merge cells of dashboard to make some areas small / large, configure row heights to provide flexibility in how data is displayed (ex. multiple numerical KPIs in a smaller row, and graphs in a larger row to utilize displayed area of dashboard optimally) Dashboards should allow display of both graphical data, as well as numerical KPIs (max, min, aggregated Sum, averaged values over day, week, month) For Graphs & KPIs displayed on Dashboard, user should be able to choose different time durations directly from Graph/KPI’s options to update the Graph/KPI dynamically End user should be able to create multiple dashboards User should be able to select and zoom-in / zoom-out on specific area within graphs User should be able to save graphs as an image in various formats (.png, .jpeg etc) For multiple Dashboards, user should be able to define display order of Dashboard in navigation (for ex: which is more important and should come first) AF should be able to turn off/on options in graphs to maximize utilization of available display area for each graph (ex. axis, legends, menu options, title etc.) Graphs should support at least following visualizations: line graph, pie graph, donut graph, area graph, bar graph, heatmap graphs User should be able to plot data from different sites on same graph Layout - Diagram of the system with SLD viewing options. Electrical SLD with all IEC symbols is must Chart - graphs based on data from multiple sources such as inverter and local weather databases. Histograms/Pie charts/Bar graphs/line graphs/ donut graph, area graph, heatmap graph shall be available. System should support Time vs Time comparison of captured parameters by showing data of interested days/months |
| 17 | adjacent to each other (example: 9th day of this month, and last month displayed adjacent to each other) System should support Spend Analysis (money equivalent of energy, and not just units of energy) System should support creating user-defined KPIs (max, min, aggregated Sum, averaged values over day, week, month) system should support creating user-defined benchmarks, and displaying data in charts / dashboard comparing against these benchmarks System should support saving frequently used analytics charts for later users. All saved charts should be available to choose with a single-click. System should support showing analytics data in graphical and tabular form.Facility to export data over a custom time interval to Excel shall be available. |
| 18 | Reports should be user-defined and not fixed (hardcoded into the system). System should support sending daily, weekly and monthly reports. Daily reports should be sent next day morning over email incorporating all data from previous day. There should be a mechanism to turn reporting sending of scheduled reports ON/OFF There should be a mechanism to send a pre-created report on-demand (and not just as scheduled daily / weekly / monthly report) Settings - To view the metadata related to the system, such as the site name and installation date, details of equipment at site etc. Alarms and event logs – Alarm should Issue a system update that the system has detected. Passwords should be stored in encrypted format. Website should be accessible on all platforms and be compatible with popular browsers such as IE, Chrome, Firefox, Safari etc. Online Administration: All administration is handled online via a current web browser Audit Trail: Administrators can access logs in the backend on need-basis where they can view changes that have been made to the database for critical information. Data Backup should support PITR (Point-in-time-recovery). Scheduler for auto archival and backup of application and database to a different machine which should be capable of coming online by simply firing a script button in event of downtime of primary server. The database should use encryption at rest to persist the data in database. Secure password protected login for administrative actions in the system. All updates to data gathering hardware should be through OTA (over the air). No static IPs shall be made available at sites. The complete equipment must be programmed with protection CT inside the existing Low Tension switchgear /breaker / Switching Contactors |
| 19 | along with multifunction microprocessor digital programmer having Main measurements and functions include: Voltage: phase, line and system values Current: phase values (neutral current calculated) Power: apparent, active and reactive phase and total values Power Factor per phase and total Frequency of measured voltage value HIGH LOW AVERAGE - - value functions for all measurements Maximum demand of power and current values Voltage and current asymmetry Total harmonic distortion ( ): voltage and current THD Energy meters for active, reactive, apparent partial and total values, per phase and system values Hour counter for programmable total and partial hours Phase active power unbalance must saturate sufficiently high to allow a relatively accurate measurement of the fault current by the protection whose operating threshold can be very high. with built in high Accuracy Limit Factor (ALF) ratio between the nominal overcurrent and the rated current. so that existing switchgear relay must be able to withstand high overcurrent’s also featured with Real accuracy factor ratio between the overcurrent , nominal error and the rated current .with following specifications insulation level voltage .433 KV ratio 100/5A - to 500/5A Core 3 class PS, KPV >= 150 Volts Imag at vk/2<= 30 ma , RCT at 75C<= 2 Ohms short time rating 15 KA for 1 second , Make PARTNER/ SIEMENS/ SCHNIDER/ ABB. approved by GE minimum ISO 9001:2015 Certified . Note :- The Entire work at site is to be executed only by OEM approved by GE. Original OEM is entitled for work . Contractor has to ensure it.Necessary test certificates to be approved by Engg-in-Charge first before execution at site . |
| 20 | M&L for Maintenance Free Earthling with retains the Moisture for very long time, ensuring quick dissipation of Faults, Short Circuits and Lightning Current. With Corrosion Resistant, Eco Friendly and Highly Conductive. To be installed indoor or outdoor and in almost all soil conditions. with The conductive compound in and around the Electrode creates a conductive zone which provides a greater surface area for Peak Current dissipation with minimum Long and Reliable average life of 05 year systematic pipe earthling system designed in accordance to IS: 3043 (1987) consist of copper bonded electrode 76mm x 3 metre along with 50 kg pro earth high enhancing compound along with necessary GI strip up to 10 meter from test point to concerned LT Panel /Tfr as directed by engineer in charge High Tensile Strength, Low Carbon steel core having terminal with four holes for connection with electrolytic coating of copper deposits having metallurgical bond between the core and the copper. Featuring never cracks or bended. Boring rates and complete tasking rates are included The standard copper thickness is 0.25 mm. The copper bonded grouup electrodes have a high resistance to corrosion and provides a low resistance path to ground. With earthling material DARK GREY SWELLING VOLUME 28ML/1000ML DISPERSION RATE HIGH pH 8-9 MOISTURE CONTENT 10-11% 50 kg |
| 21 | in each earth Homogenous Mixture of naturally occurring highly conductive element compounds that enhances the effectiveness of the earthling to a great extent especially in the area of poor conductivity to be placed around the earth electrode in the pit to improve the conductivity of earth electrode and ground conduct area. Each earth must have hygroscopic in nature thereby retaining moisture around earth electrode during dry seasons. It is nontoxic, non-explosive, non-reactive, noncorrosive, and thermally stable and swells considerably. Earth Pit Chambers are made of Heavy Duty Polyethylene/Polyplastic material complete all as specified and directed. |
| 22 | Supply and fixing indicator lamp assembly complete LED type suitable for 30V DC or 110V AC including fixing in Panel including taking out unserviceable lamp assembly complete all as specified and directed. |
| 23 | Supply and fix in replacement of shunt trip coil suitable for VCB of upto 1200 Amps capacity complete all as sspecified and directed. |
| 24 | Supply and fix in replacement of closing coil suitable for VCB of upto 1200 Amps capacity complete all as specified and directed. |
| 25 | Supply and fix in replacement of Trip-Neutral-Close (TNC) Switch, fixing with the existing HT VCB 11 KV Panel for including taking out old unserviceable TNC Switch complete all as specified and as directed. |
| 26 | Supply and fix in replacement of spring mechanisum with gear for 33 KV Out door type SF6 Breaker suitable for the existing make including taking out old unserviceable one complete all as specified and directed. |
| 27 | Supply and fix in replacement of moving contact assembly suitable for HT VCB 11 KV 630 Amps/800 /1200/1600Amps VCB includes dismantling the old unserviceable moving contact assembly suitable for HT VCB complete all as specified and as directed. |
| 28 | Supply and fix HT spout bussing for VCB HT 11 KV, busbar side including taking out old unserviceable bushing complete all as specified and directed. |
| 29 | Supply and fixing in replacement of big and small end bearing of HT 11 KV VCB trolly including replacement of complete locking mechanism with integral spring charging handle for manual spring charge and replacement of closing coil 420V AC and triping coil 24V DC including replacement of electro magnetic relay, coil rating 220 V, AC of existing sample of make of Crompton greaves/ABB/ Schneider. |
| 30 | Supply and fix in replacement of spring charge universal motor suitable for 11 KV, VCB, A/C 230 Volt, 50 Hz complete all as specified and directed. |
| 31 | Supply and fix in replacement 11 KV VCB Fixed Contact of suitable for existing switchgear complete all as specified and as directed. |
| 32 | Material and labour for Disconnect Terminals: Loosen all screw or tension-clamp connections on the terminal blocks, relays, and components.Remove Old Accessories from existing burnt out VCB , Unbolt and remove faulty or aging components including the Closing Coil (CC), Trip Coils (TC1 / TC2), Spring Charging Motor, Anti-Pumping Relay, and Auxiliary Switch Blocks.Extract Wire Bundles: Cut the old plastic cable ties and pull out the old wire harnesses. Discard them responsibly.Clean Panel Interior: Vacuum out dust, debris, or carbon soot from the low-voltage chamber and terminal channels. and Install the replacement components exactly where the old ones were seated.Fix Coils and Motor: Bolt down the new closing coil, trip coils, and spring-charging motor. Ensure their mechanical levers line up perfectly with the breaker's operating mechanism.Install Relays and Switches: Mount the new auxiliary contact blocks, limit switches, anti-pumping relay, and Trip Circuit Supervision (TCS) Relays.Verify Mechanical Alignment: Manually operate the breaker mechanism slowly to confirm that the auxiliary switches change state smoothly without binding. including rewiring Use standard 1..5 Sqmm /2.5 Sqmm multi-strand copper wires with Heat Resistant, Flame Retardant (HRFR) PVC insulation including replacement of all the accessories like all relay/ auxillary contact /MFM/ mcb of anytype as per existing including testing and commissioning for entire satisfaction and submit the test report for fully functioning the VCB complete all as specified and directed. |
| 33 | Supply installation testing and commissioning of ABB/Schneider/Siemens Make 11kV, 800 Amp Withdrawable (Trolley SUITABLE FOR EXISITING 11KV Vacuum Circuit Breaker (VCB), typically from the globally recognized VD4 (or VD4E) series used in primary MV distribution panels 1. Main Electrical RatingsRated Voltage: 12 kV (Suitable for an 11 kV system)Rated Continuous Current: 800 A Rated Frequency: 50 Hz / 60 HzNumber of Poles: 3-Phase Phase-to-Phase Pole Center Distance: Typically 150 mm or 210 mm (Standard draw-out configuration layout )2. Insulation LevelsPower Frequency Withstand Voltage (1 min): 28 kV rmsLightning Impulse Withstand Voltage (1.2/50 µs): 75 kV peak3. Switching & Fault PerformanceRated Short-Circuit Breaking Capacity: 20 kA / 25 kA / 31.5 kA (Depending on specific project sub-selection, 20kA or 25kA is standard for 800A)Rated Short-Circuit Making Capacity: 50 kA / 63 kA (Peak)Rated Short-Time Withstand Current: 20 kA / 25 kA for 3 Seconds Operating Sequence: O - 0.3s - CO - 3min - CO (Standard rapid auto-reclosing duty) 4. Drive & Control Mechanism SpecificationsOperating Mechanism Type: EL type stored energy spring mechanism (Capable of manual mechanical charging via handle or automated electrical charging via motor) Spring Charging Motor Voltage: 110V DC / 220V DC / 230V AC (User-defined) Closing / Opening Coil Voltage: 110V DC or 220V DC Auxiliary Switch Contacts: Standard block configuration with 5 NO + 5 NC, up to 10 NO + 10 NC auxiliary contacts available.5. Mechanical & Trolley FeaturesMounting Design: Draw-out execution mounted onto a robust, guided metallic wheeled trolley chassis.Trolley Interlocking & Positions: * Features precise alignment positioning flags: Service, Test, and Disconnected.Mechanical interlocking to prevent insertion/withdrawal while the breaker is closed.Primary Contacts: Silver-plated cluster/tulip contacts fitted onto isolating upper and lower terminal arms. Notes : Old Trolley shall be deposited to MES Store Yard. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Sep 11, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedOct 10, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 27 daysOct 17, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 34 daysTender Documents
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