PERIODICAL MAINTANANCE AND SERVICING 03 PHASE ONLINE UPS OF 120 KVA- 05 NOS, ISOLATION TRANSFORMER-03NOS AND 3 PHASE ONLINE PDU- 02 NOS WITH CONNECTED ACESSORIES ALONG WITH DISTRIBUTION PANELS OF OF DIPAC UNDER AGE(U) ELECTRIC SUPPLY NO-I OF GE (U)

Amount

Preventive maintenance of microprocessor based online UPS of capacity 120 KVA of 3 Nos of Make: vertiv / emerson Model liebert APM comprising of suitable Nos of power moduls with IGBT based rectifier to achive input THDI<6% and input power factor of greater than 0.98 at 100% loading. True online double conversion(VF) as per (IEC 62040-3) UPS using PWM IGBT technology 3 phase input and 3 phase 400 v output UPS System along with Isolation transformers of 150 KVA and Disrtubution LT Panell / Parallel operation of the UPS along with 12V ,40Nos 150 AH Battery Bank , IOT Based Monitoring Unit and Preventive maintenance consisting of the following scheduled list of activities for keeps the UPS in good working order to prevent failures and all as directed by Engr-in-charge..

(a) Perform visual checks and operational tests of all UPS equipment and associated switchgear. (b) Review maintenance logs and log all alarm operations and output (c) Complete a functional checkout and test ( ideal, load, by pass ) of the UPS diagnostic systems. (d) Check environment, temperature, dust, moisture, room vents, etc. (e) Clean and tighten all power connections at the input and output terminals, at all circuit breakers, and at the terminal posts and fuses on the rectifier and inverter legs. During the inspection, check all power cabling for abrasions and burn spots. Thermal Scanner / heat emmision checking of all components and Acessories of complete UPS sysyetm for signs of overheating, swelling, leaking, etc..along with Visually check printed circuit board alignments. (f) Replace air filters at regular intervals. Site conditions will determine how often the filters should be replaced, but generally, they will need to be replaced at least every 6 months in clean environments. If more frequent replacement is required, the cleanliness of the environment should be upgraded. (g) Check and calibrate each system, switchgear and circuit breakers, meters, and alarm levels for frequency, voltage, current, transfer, trip, alarm, etc. (h) Perform system and component functional tests on UPS equipment to insure proper functioning within specified parameters. (l) Run all UPS system diagnostics, and correct all diagnosed problems. (m) Resolve any previous outstanding problems, review operation with user personnel, and report any power enhancement or equipment operation recommended changes. (n) Replace control batteries as required. If the control batteries have been used without inverter or bypass AC power, (o) Opening of all doors, drawers, and covers. Perform a thorough inspection of all cabinets for foreign objects. Perform a thorough dusting and vacuuming of all cabinet interiors. Use only rubber or plastic vacuum attachments to clean drawers and cabinets. Except for vacuuming, never attempt to clean the UPS subassemblies. The exterior panels can be cleaned with a mild cleaning solution. Transparent panels should be cleaned with a mild soap and water solution only. Restore all doors and covers to their secured condition.

(p) Off-line load test the UPS system to ensure that the system is completely functional. (q) Restoring of the UPS to service as per the manufacturer’s recommended start-up procedures. the service Engineer/ Contractor shall ensure that no damage to the UPS equipment or shutdown will occur because of inrush currents. (r). Contractor Shall be reponsible for 100% working of the UPS and its associated acessories for period of 40 Days after carring out the scheduled maintance. If Any Break down Malfunction of the UPS occurs it will be rectified by the Contractor free of cost through the authorised OEM in a sipulated period of 12 hrs, failing so to restore the UPS shall recover an amount of 25000/- per every 12 Hrs. NOTES:- (i) The contractor shall maintain the UPS as per Shedule including sunday & all national /local holidays failing so to carry out preventive maintance in the stipulated time shall recover an amount of 25000/- (ii) The rate quoted Includes the cost of labour , installation and testing of all 100% parts of the UPS and spares like replacement of electrical , fuses, control & Power transformers (if applicable), Dust filters, indicating lamps; however repairing of above components will be part of Scope. And Spares other than the mentioned shall be measured and paid sepertely under relevent Items (iii) Replacement of Defective Battries and Defective Spares of IOT Based Monitoring shall be the resposibility of MES as they are under Warrenty Period.

(iv) Monthly check carried out as per monthly check performa duly approved by the accepting officer/ as per the OEM (v) Contractor have submit maintenace report duly signed by OEM and USER nad Eng-in Charge for each UPS separately before submitting the RAR (vi) Equipment use for testing purpose must be calibrated and bidder should produce calibration certificate before start the test. (vii) Authorised OEM / Service Engineer must have minimum 3 years of past experience of testing/servicing of the online UPS (viii). The spares provided shall be of IEC standard. (ix) Due to continuous working of the Administrative building and continious running plant, servicing and testing of UPS can only be done on weekly off, holidays or after office hours. (x) PRE Permission has to be obtained from the USER before planning of the Schedule to work

All as peritem No-1 here in before but preventive maintenance of microprocessor based online UPS of capacity 120 KVA of 2 Nos of Make: vertiv / emerson Model liebert SX 120 comprising of suitable Nos of power moduls with IGBT based rectifier to achive input THDI<6% and input power factor of greater than 0.98 at 100% loading. True online double conversion(VF) as per (IEC 62040-3) UPS using PWM IGBT technology 3 phase input and 3 phase 400 v output UPS System along with Isolation transformers and Disrtubution LT Panell / Parallel operation o the UPS along with 9 AH, 12 Volt 600 No's Battery Bank/ UPS , IOT Based Monitoring Unit and Preventive maintenance consisting of the following scheduled list of activities. for keeps the UPS in good working order to prevent failures and all as directed by engg-in-charge.

Preventive maintenance of microprocessor based online PDU of 2 Nos of Make: vertiv / emerson THDI<6% and input power factor of greater than 0.98 at 100% loading. True online double conversion(VF) as per (IEC 62040-3) PDU using PWM IGBT technology 3 phase input and 3 phase 400 v output IOT Based Monitoring Unit and Preventive maintenance consisting of the following scheduled list of activities. for keeps the UPS in good working order to prevent failures:- (a) Perform visual checks and operational tests of all UPS equipment and associated switchgear. (b) Review maintenance logs and log all alarm operations and output. (c) Complete a functional checkout and test ( ideal, load, by pass ) of the UPS diagnostic systems. (d) Check environment, temperature, dust, moisture, room vents, etc. (e) Clean and tighten all power connections at the input and output terminals, at all circuit breakers, and at the terminal posts and fuses on the rectifier and inverter legs. During the inspection, check all power cabling for abrasions and burn spots. Thermal Scanner / heat emmision checking of all components and Acessories of complete PDU sysyetm for signs of overheating, swelling, leaking, etc..along with Visually check printed circuit board alignments. (f) Replace air filters at regular intervals. Site conditions will determine how often the filters should be replaced, but generally, they will need to be replaced at least every 6 months in clean environments. If more frequent replacement is required, the cleanliness of the environment should be upgraded . (g) Check and calibrate each system, switchgear and circuit breakers, meters, and alarm levels for frequency, voltage, current, transfer, trip, alarm, etc.

(h) Perform system and component functional tests on PDU equipment to insure proper functioning within specified parameters. (j) Run all PDU system diagnostics, and correct all diagnosed problems. (k) Resolve any previous outstanding problems, review operation with user personnel, and report any power enhancement or equipment operation recommended changes. (l) Replace control batteries as required. If the control batteries have been used without inverter or bypass AC power, (m) Opening of all doors, drawers, and covers. Perform a thorough inspection of all cabinets for foreign objects. Perform a thorough dusting and vacuuming of all cabinet interiors. Use only rubber or plastic vacuum attachments to clean drawers and cabinets. Except for vacuuming, never attempt to clean the PDU subassemblies. The exterior panels can be cleaned with a mild cleaning solution. Transparent panels should be cleaned with a mild soap and water solution only. Restore all doors and covers to their secured condition. (n) Off-line load test the PDU system to ensure that the system is completely functional. (o) Restoring of the PDU to service as per the manufacturer’s recommended start-up procedures. the service Engineer/ Contractor shall ensure that no damage to the PDU equipment or shutdown will occur because of inrush currents. (p) Contractor Shall be reponsible for 100% working of the PDU Notes :- (i) The contractor shall maintain the PDU as per Schedule including sunday & all national /local holidays failing so to carry out preventive maintance in the stipulated time shall recover an amount of 25000/- (ii) The rate quoted Includes the cost of labour , installation and testing of all 100% parts of the PDU and spares like replacement of electrical , fuses, control & Power transformers (if applicable), Dust filters, indicating lamps; however repairing of above components will be part of Scope. And Spares other than the mentioned shall be measured and paid sepertely under relevent Items (iii) Replacement of Defective Battries and Defective Spares of IOT Based Monitoring shall be the resposibility of MES as they are under Warrenty Period.

(iv) Monthly check carried out as per monthly check performa duly approved by the accepting officer/ as per the OEM (v) Contractor have submit maintenace report duly signed by OEM and USER and Eng-in Charge for each PDU separately before submitting the Wok done.(vi) Equipment use for testing purpose must be calibrated and bidder should produce calibration certificate before start the test. (vi) Authorised OEM / Service Engineer must have minimum 3 years of past experience of testing/servicing of the online PDU (viii) The spares provided shall be of IEC standard. (ix) Due to continuous working of the Administrative building and continuous running plant, servicing and testing of PDU can only be done on weekly off, holidays or after office hours. (x) PRE Permission has to be obtained from the USER before planning of the Schedule to work Notes For Sr Item No 01 to 03 (i) The contractor will have to submit MOU as given format on page no 125 & 126 from Authorised Service center / OEM of UPS only. Contractor will conclude MOU with OEM and copy of the agreement will be submitted to GE before Acceptance of Tender (ii) Contractor will conclude AMC with OEM and copy of the agreement will be submitted to GE before Acceptance of the Tender

Fixing only SMF batteries of capacity 12 Volt 150 AH with insulation Film/Gar Film for every battery and IR test of the battery carried out before instaltion. HSN Code:85072000 Note:- SMF Batteries 12 Volt 150 AH shall be issued under schedule'B" free for fixing.

Fixing only SMF batteries of capacity 12 Volt 9 AH with insulation Film/Gar Film for every battery and IR test of the battery carried out before instaltion. HSN Code:85072000. Note:- SMF Batteries 12 Volt 9 AH shall be issued under schedule'B" free for fixing.

NOTE :-(i)contractor should provide 50 % of the material as listed above within 15 days of the placing of work order and shall be verified by the Eng-in-charge.

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