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| 1 | Dismantling of Oldu/s relay & S/I/T/C Of Automatic multifunctional real time power Monitoring sensors equippedwith Micro controlled programming & scrolling displaydevice to record each electrical parameter as per site connected with 3 phase external CT operated with three phase supply voltage(300- 480) Voltsunit ( 45 Hz-- 55 Hz )SUITABLE for any current transformer of any type of ratio and replacement with NEW commissioning of3 Phasemetering , protection CT inside the existingLow Tension switchgear /breaker / Switching Contactorsmust 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 overcurrentand the rated current.so that existing switchgear relay must be able to withstand high overcurrent’s also featured withReal accuracy factorratio between the overcurrent , nominal error and the rated current .with following specifications insulation level voltage 12/28 KV ratio 300/5-5- 1 A Core 1 - 5A for meteringCore 2- 5 A for protectionCore 3 class PS, KPV >= 150 Volts Image at vk/2<= 30 ma , RCT at 75C<= 2 Ohms short time rating 15 KA for 1 second ,MakeKappa/ABB/Schneider/ Rishabh/ Elmeasure/ISO 9001:2015 Certified ) With Technical specifications Accuracy True RMS, Sec update time 4 Quadrant Power & Energy (RD Option) Sensing/ Measurement 4 Voltage inputs (VR, VY, VB, N) 50 to 520 VLL / 28 to 300 VLN Nominal,45-65Hz Primary 100V to 999 kV.Secondary 50V to 550VLL Input voltage Measurement Range Programmable Range 0.2VA Max. Per phase 200 mA * Burden External Fuse Rating Current inputs (AR, AY, AB) 0.05A to 5A Primary 0.5A to 99 kA Secondary 0.5A to 6A Input Current Measurement Range Programmable Range With overload of 20% 0.2VA Max. per phase Overload Burden 80V AC- 300V AC, 40-70Hz 80V DC- 300V DC (Default) Auxiliary Supply (Control Power) 5VA Max & CAT ll * AXIAL, Voltage Rating VAC:250V; Fuse Current:200mA; Breaking Capacity:10kA @ 125VAC; Fuse Size:5mm x 20mm; Blow Characteristic: Slow Blow; Body Material: Glass Burden External Fuse Rating CT PT Ratio Max 2000 MVA Programmable Protection Class 3 . |
| 2 | Humidity 5% to 95% non-condensing Pollution Degree 2 (As per IEC 61010) Altitude Below 2000 mts Insulation Double Insulation ( As per IEC 61010-1) Ingress Protection IP 51 As per IEC 60529Operating Temperature -10 C to + 55 C (14 F - 131 F) O O O O Storage Temperature -25 C to +70 C (-13 F - 158 F) Measurement Category CAT lll ( As per IEC 61010) 2 12-14 swg (2.6 to 2.0mm )Torque 1N-m Wire Gauge (Connecting wires) RS 485 serial channel connection Industry standard Modbus RTU protocol (RS232 optional) Communication Baud rate 1200 bps to 19200 bps (preferred 9600 bps) Isolation 2000 volts AC isolation for 1 minute between communication and other circuits. Dimension Bezel 96 x 96 mm - Depth 55mm behind bezel Dynamic communication (user selectable parameter sequence of register map) l Multi-port communication (optional 2 maximum), True RMS measurements l Simultaneous sampling of volts & amps l Best parameters grouping /bright displays l High/ low V, A, Hz, W, VA, VAr, PF value storage l Data memory optional. (982080 records for 1 parameter) l Upgradable to higher versions l Auto-scaling of kilo, mega & giga decimal point l Analog Output(0-20mA) or (4-20mA) optional l THD Measurement l Individual Harmonics display up to 31st level l 2 Programmable Parameters (only for PN series) l Phase wise Voltage and Current waveforms.Capableto visualize of the demand profile during a billing cycle. Demand peaks with date & time can be identified in the meter as well as with RS485 software. Suitable for High Low Event Recording for V,A,Hz,VA,W,VAr,PF Protection of 3 phase system against single phasing, low & high voltage, over load, highly lagging and leading PF, Hz etc. EN/PN can trap such events for future reference. Identify & record unbalance voltage and currents and helps the user to identify the root cause. Unbalance over-burdens the electrical system and affects in the form of over loading of cables, motors and switchgear. PF Management Lower the Avg PF higher the system inefficiency. So this enables the user to maintain a healthy PF level. |
| 3 | The Digital output features can be used to initiate alarm when the Avg PF crosses the user programmed threshold values (Lead/ Lag). Data Logging with Time Stamp The information is needed in all types of businesses to determine performance, quality, efficiency, cost reduction, fuel consumption W VA. Make Elmeasure/ Rishabh/Shneider/L&T or EquivalentThe entire work is to be executed by OEM only approved by GE. The Contractor has to submit Original Purchase Vouchers, Test Certificates & Guarantee Certificate from OEM before installation at site The entire work is to be executed by OEM only approved by GE. The Contractor has to submit Original Purchase Vouchers, Test Certificates & Guarantee Certificate from OEM before installation at site.Note : ONLY Original OEM is entitled for work . Contractor has to ensure it. Necessary test certificates &Latest Purchase Vouchers to bescrutinized / approved by Engg-in-Charge & GE first before execution at site . Any Defect occurring during this period due to bad workmanship of material, manufacturing defect shall be rectified or replaced free of cost by the contractor. The contractor shall furnish written guarantee on letter head for above mentioned to the GE immediately after completion of work.Contractor has to ensure Post Audit of work by the approved MES Auditor without that completion will not be issued. |
| 4 | Dismentaling of old U/S and Supply, installation, testing and commessioning of accurate power factor correction cum protection device 3 phase 4 wire 08 steps TO 12 steps as per site Protection against power factor of the electrical system close to unity Protection at power failure to Close thecapacitor bankand should not and due to sudden variation in the load the power factor shoots above unity Auto shutdown panel or switching off extra Capacitors in Delta Mode factor condition. be re-energized till it discharges to a safe value of 50 volts or less, relay should be instantaneous type with low voltage setting Spikes/Surge protectionto trip the capacitor bank at overloading due to over voltage or harmonic current. over current relay trippingprotection of the bank against system disturbances and faults protection of the bank against faults occurring within the bank including protection of the bank against faults occurring within the bank Timer for re-energisation after 5 minutes: protectionto block the re-switching of capacitor bank in less than 5 minutes. including with following specifications 3 phase 4 wire 3 Current Transformers resin cast 15 VA burden 1100 volts insulation FUNCTIONLimit the Inrush Current, Improve the THD/PF at Light Load or High Line, Improved Stability with a Type 2 Compensation Network--Phase Unbalance, Auto Phase Reversal tripping suitable for exsisting APFC Panels, Phase Missing Under Voltage and Over Voltage Monitor and Control, Neutral Open Protection. ALSO SPECIAL ZERO CROSSING SWITCHING OPERATION PROTECTION SYSTEM DIGITAL DISPLAY OF LINE PHASE VOLTAGES AND LINE CURRENT INCLUDING FREQUENCY Phase Un balance (1 to 20%) (Adjustable) Power consumption 15VA / 3W Setting Accuracy voltage ± 4V, Minimum setting current 0.5A, Maximum setting currrent =5A (Above 5A - external CT setting max.1000/5 in steps of 5), |
| 5 | Setting Accuracy Current ± 5% of full scale ±1digit, Trip time delay1 to 250secs settable for UnBalance, OverVoltage, UnderVoltage ( Line to Line & Line to Neutral ), UnderCurrent & OverCurrent, Trip time accuracy± 1% of set delay ±2sec., Trip setting, Phase failure 3 sec Max. factory set., Phase Reversal Auto tripping, Phase Un balance1 to 20% (Adjustable), Under Voltage and over voltage 5V to 60V AC (Adjustable Individually ), Recovery Time2 sec MinPower On Delay10 sec Max., Service life(under no load) 10Lakh operations minimum , Electrical life, (under full load) 10 Lakh operations minimum PROTECTION SYSTEM SHOULD BE PROVIDED WITH EACH FAULT DIGITAL DISPLAY, Compensation of each phase, Measure power factor , total watts, total VAr, total KWH, Total KVArh, Programmable THD protection, Programmable Discharge Time MAKESIEMENS /L&T/ BCH/ABB/ SCNEIDER Minimum ISO 9001:2015 CertifiedNote :- The Entire work at siteis to be executed onlyby OEM approved by GEcomplete all as specified and directed at Site.Note : ONLY Original OEM is entitled for work . Contractor has to ensure it. Necessary test certificates &Latest Purchase Vouchers to bescrutinized / approved by Engg-in-Charge & GE first before execution at site . Any Defect occurring during this period due to bad workmanship of material, manufacturing defect shall be rectified or replaced free of cost by the contractor. The contractor shall furnish written guarantee on letter head for above mentioned to the GE immediately after completion of work.Contractor has to ensure Post Audit of work by the approved MES Auditor without that completion will not be issued. |
| 6 | Dismentaling of old damaged metering Dismantling of old damaged metering along with selector switch assembly and replacement with new Supply, installation, commissioning of programmers equipped with real time power analyser / recorder complete with capacity to undertake multipleMODBUS 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 connectionMust 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 detailsReal-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 cloud-based facility management system should enable controlling substations and facilities. The system should support adding more parameters in future with minimal changes. |
| 7 | 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. 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. |
| 8 | 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 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. 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). |
| 9 | 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 programmedwith protection CT inside the existingLow Tension switchgear /breaker / Switching Contactors along withmultifunction microprocessor digitalprogrammer 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 asymmetryTotal 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 unbalancemust 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 overcurrentand the rated current. so that existing switchgear relay must be able to withstand high overcurrent’s also featured withReal accuracy factorratio 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 , SIEMENS/SCHNIDER/ ABB. approved by GE minimum ISO 9001:2015 Certified. |
| 10 | . Note :- The Entire work at siteis to be executed onlyby 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 .MAKESIEMENS/SCHNIDER/SMARTSENSE/PARTNER approved by GE minimum ISO 9001:2015 Certified . Note :- The Entire work at siteis to be executed onlyby OEM approved by GE MAKE / ABB/ CG/PARTNER/ MIN ISO 9001:2015 CERTFIED APPROVED BY GENote :- THE ENTIRE WORK WILL BE EXECUTED BY O.E.M. APPROVED BY GE OR ACCEPTING OFFICERNote : ONLY Original OEM is entitled for work . Contractor has to ensure it. Necessary test certificates &Latest Purchase Vouchers to bescrutinized / approved by Engg-in-Charge & GE first before execution at site . Any Defect occurring during this period due to bad workmanship of material, manufacturing defect shall be rectified or replaced free of cost by the contractor. The contractor shall furnish written guarantee on letter head for above mentioned to the GE immediately after completion of work.Contractor has to ensure Post Audit of work by the approved MES Auditor without that completion will not be issued. |
| 11 | Dismantling of old pully system and mercury / thermal based sensors and protection and replacement with new Micro controller-based indicator cum master controller WTI &OTI complete with re-setting device and alarm contactor etc. (Provide details & specifications).suitable for any type of oil immersed EHT/HT Transformers along with provision of alarms, tripping & cooling features set programmable, range 0-250°C, Accuracy +/- 0.5°C, adjustable range 10-90% of Full Scale Range, with PT sensor, thermometer pocket sensor , along with necessary remote indicator with following specification’s temperature sensor input –RTD(PT-100,IEC60751),CT Secondary current programable 1.0 amp to 5.0 amp digitalprogrammable, 04 numbers potential free contacts 5 amp AC 240 VAC / 10 Amp DC 30/110 volts, auxiliary supply 90 volts to 250 volts AC. Two signal outputs 4-200 ma for 600 ohm load, aluminum pressure die casting enclosure powder coated with acrylic viewing windowwithcasing Weatherproof Suitable for outdoor mounting - Protective Class IP55 as per IS 13947 Part II, Capillary line protection, operating temperature -30 to 90 Degree Celsius equipped with cold test – 50 Deg Celsius as per IEC,Dry heat test + 70 Degree Celsiusas per IEC, vibration testamplitude 0.15 mm as per IEC 60068with inbuilt Temperature measurement in single enclosure. Incorporates highly stable built-in or Remote Temp. 3 Digit, 0.56\" bright LED display for displaying Temperature. Process parameter Hi and Low status indication for channel. User selectable set limits for process value violation. Inbuilt buzzer to audible process value violation. Password protection for calibration and programming mode. Software Calibration for 2 channels. MODBUS RTU multi drop RS-485 serial communication for PLC, SCADA, etc. Programmable devise address, baud rate, (max no. of device is 1-256). Remote programmable from master device. User programmable offset correction. Compact, Inputs two numbers Temperature input integral or remote optional, Humidity input integral or remote optional, transmitting power supply – 24/5 V DC 100 MA WITTH ISOLATION BASED SMPS TYPE, Indication Temperatures, Humidity, Channel-1: 3 digit Seven segments 0.56” RED display. |
| 12 | Channel-2: 3 digit Seven segments 0.56” RED display. 5-LEDs for visual alarms, buzzer for audible alarm, LED for 485-comm. Temperatures Humidity 0 to 60.0 with decimal point. Handling range to 100 % with decimal point. Display Resolution 0.1 for Temp.. Accuracy Temperatures 0.5 % on FS Response time: 8 sec 2.5 % for 10 to 90 % Communication protocol Modbus RTU RS- 485 Isolated communications, Programmable parameter, baud rate, parity, note address, stop bit. Read /write parameter Read: process value and decimal point, write high low set point No of slave Id -1-256 unit. Programmable Parameters Set point / high scale / low scale full range as per input selection, programming of parameters through 04 tactile keys with PASSWORD PROTECTION alarm logic full scale high or full scale low operating ambient temperature and humidity 0-50 degree calicoes below 90 , non-condensing type with 4 + 4 digits, 7 segment LED dual display3 digits, 7 segment LED single display Thermocouple (J, K, T, R, S) / RTD (PT100) FEATURES SUPPLY VOLTAGE(AC : 50 / 60 Hz) 0 0 0For TC input: 0.25% of F.S ±1 ; For R & S inputs: 0.5% of F.S. ±2 (20 min of warm up time for TC inputs); For RTD input: 0.1% of F.S ±10Fixed 1 resolution 00.1 /1 for TC/ RTD inputs 0(fixed 1 for R & S type TC input) CONTROL MODE Auto tune / Self tune PID or ON-OFF Relay: SPDT: 10A resistive @ 230V AC / 30V DC or SSR: 12V DC, 50mA Relay: SPST: 5A resistive @ 230V AC / 30V DC or SSR: 12V DC, 30mA Relay: 5A resistive @ 230V AC / 30V DC Heat cool PID, Dwell timer 90 to 270V AC / DC MAKE ABB/Schneider /L&T /SiemensMINIMUM 1SO 9001:2015 CERTFIED. Note, Sundry items including Air Release Plug, Arcing Horns, Cover Bolts, caps screws, Washers, insulation material, minor repairs of the other parts, if required any and not covered under the items specified above. The necessary job after satisfactory repair and testing shall be suitable for operation in hot and humid climate conducive to rust and fungus growth suitable for indoor/ outdoor types in all respect.TEMPERATURE RISE: The temperature rise in hottest layer of oil of the repaired transformers shall not exceed 450 C as measured by thermometer and temperature rise of winding shall not exceed 500 C as per the design of transformers as measured by resistance method at continuous full load. |
| 13 | In case because of inherent design the temp. rise exceeds the above limits, immediate tripping wit 2 milli sec activation to be programmed by contractor with existing structure. The following points will be inspected by Engg- In – Charge In case of existing cables not found in order the contractor will arrange Copper cable 4 core for switch connections & 2 core for CT Connection & 3 Core forCCU Connections , Line to body high voltage test 2.5 KV Ac , 50 Hz 30 Sec, All switches type NO Type with switch differential 5 Degree Celsius along with anti-vibration mounting.Note : ONLY Original OEM is entitled for work . Contractor has to ensure it. Necessary test certificates &Latest Purchase Vouchers to bescrutinized / approved by Engg-in-Charge & GE first before execution at site . Any Defect occurring during this period due to bad workmanship of material, manufacturing defect shall be rectified or replaced free of cost by the contractor. The contractor shall furnish written guarantee on letter head for above mentioned to the GE immediately after completion of work.Contractor has to ensure Post Audit of work by the approved MES Auditor without that completion will not be issued. |
| 14 | Dismentaling of old u/s battary bank 24 Volts DC 60 AH and replacement withuninterrupted Switch Mode Power Supplyunitthick galvanized steel for11 KV HTBreaker & VCB PANELfitted with gas pressure springchargemotorunit withSealed Maintains Free Type Make Exide onlyalong with Electronic on line power pack 800VA required forswitching 11 KVBreakerat the mode power failure from State Electricity Boardhaving special features:- Double Conversion On Line , Continuous Voltage & Frequency Regulation High Power Density Built-in Automatic & Manual Bypass,Cold Start Intelligent Battery Management,Lightning and Surge Protection,Sine Wave Output , Network Grade Line Conditioning, Emergency Power Off , Unattended Safe & Graceful Shutdown , Alarms and Indicators, Main Supply: (160V-300V) Single phase,Multiple Output Voltage: 24Volts DC ( +/-) 0.5% accuracy with load sustaining capacity 30 Amps for protection Relays & under voltage & no volt coil of SF6 Breaker with proper torque command ,110 volts AC ( +/-) 0.5% accuracy for load handling up to 10 AMPS for metering & Digital & other faults display &220V AC/DC ( +/-) 0.5% accuracyfor loaded current suitable to existing SF6 Breakerspring charge Motors, Overload : 110% of rated load, Power Factor : >90%, |
| 15 | with feature of suitable for 01 unit of Breakerto handle tripping & Auto sensor to detect built with AND Gate software for prompt recharge in all respect either in all tripping or at the mode of power failure with standard Battery Selection, Indications: Mains, Emergency, over load, reverse polarity battery charging with SMPS ON/OFF Switch.(Make:-ABB/ Schnider/Aplab/ Elmeasure/partner/ISO 9001:2015 Certified ) ONLY Original OEM is entitled for work . Contractor has to ensure it.Necessary test certificates &Latest Purchase Vouchers to bescrutnised / 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.Note : ONLY Original OEM is entitled for work . Contractor has to ensure it. Necessary test certificates &Latest Purchase Vouchers to bescrutinized / approved by Engg-in-Charge & GE first before execution at site . Any Defect occurring during this period due to bad workmanship of material, manufacturing defect shall be rectified or replaced free of cost by the contractor. The contractor shall furnish written guarantee on letter head for above mentioned to the GE immediately after completion of work.Contractor has to ensure Post Audit of work by the approved MES Auditor without that completion will not be issued. |
