Annual Maintenance Contract of HT installations at ATS Complex and Operational Area, C.S.M.I.Airport, Mumbai for the year 2022-23 to 2023-24.

Amount

Filtration and dehydration of oil for the following installations including testing of the Oil for dielectric strength before and after filtration as per IS: Specification and submission of of the report of B.D.V. Test and Chemical analysis of the oil to determine the level of acidity as per IS: Specification and cleaning of breather and providing fresh charges of Silica Gel to the transformers, Supplying and replacing corroded nuts and bolts, gaskets, washers and rectification of leakage of oil complete as required. (Transformers oil for topping up will be supplied by AAI.) a) First year i) Transformer 11KV/ 433Volts, 2 MVA ( Make: Volt Amp)

Filtration and dehydration of oil for the following installations including testing of the Oil for dielectric strength before and after filtration as per IS: Specification and submission of of the report of B.D.V. Test and Chemical analysis of the oil to determine the level of acidity as per IS: Specification and cleaning of breather and providing fresh charges of Silica Gel to the transformers, Supplying and replacing corroded nuts and bolts, gaskets, washers and rectification of leakage of oil complete as required. (Transformers oil for topping up will be supplied by AAI.) a) First year ii) Transformer 3.3KV/ 433Volts, 250 KVA (Make: Nissan)

Filtration and dehydration of oil for the following installations including testing of the Oil for dielectric strength before and after filtration as per IS: Specification and submission of of the report of B.D.V. Test and Chemical analysis of the oil to determine the level of acidity as per IS: Specification and cleaning of breather and providing fresh charges of Silica Gel to the transformers, Supplying and replacing corroded nuts and bolts, gaskets, washers and rectification of leakage of oil complete as required. (Transformers oil for topping up will be supplied by AAI.) a) First year iii) Transformer 3.3KV/ 433Volts, 100 KVA (Make: Nissan)

Filtration and dehydration of oil for the following installations including testing of the Oil for dielectric strength before and after filtration as per IS: Specification and submission of of the report of B.D.V. Test and Chemical analysis of the oil to determine the level of acidity as per IS: Specification and cleaning of breather and providing fresh charges of Silica Gel to the transformers, Supplying and replacing corroded nuts and bolts, gaskets, washers and rectification of leakage of oil complete as required. (Transformers oil for topping up will be supplied by AAI.) a) First year iv) 3.3 KV HT extensible oil switch fuse unit/ Isolator (Make: Mysore Electricals)

Filtration and dehydration of oil for the following installations including testing of the Oil for dielectric strength before and after filtration as per IS: Specification and submission of of the report of B.D.V. Test and Chemical analysis of the oil to determine the level of acidity as per IS: Specification and cleaning of breather and providing fresh charges of Silica Gel to the transformers, Supplying and replacing corroded nuts and bolts, gaskets, washers and rectification of leakage of oil complete as required. (Transformers oil for topping up will be supplied by AAI.) a) First year v) 3.3KV, Oil immersed Ring Main Units of 200 -400 Amps capacity consisting of one incomer and two outgoings. (Make:Mysore Electricals)

Filtration and dehydration of oil for the following installations including testing of the Oil for dielectric strength before and after filtration as per IS: Specification and submission of of the report of B.D.V. Test and Chemical analysis of the oil to determine the level of acidity as per IS: Specification and cleaning of breather and providing fresh charges of Silica Gel to the transformers, Supplying and replacing corroded nuts and bolts, gaskets, washers and rectification of leakage of oil complete as required. (Transformers oil for topping up will be supplied by AAI.) b) Second year i) Transformer 11KV/ 433Volts, 2 MVA ( Make: Volt Amp)

Filtration and dehydration of oil for the following installations including testing of the Oil for dielectric strength before and after filtration as per IS: Specification and submission of of the report of B.D.V. Test and Chemical analysis of the oil to determine the level of acidity as per IS: Specification and cleaning of breather and providing fresh charges of Silica Gel to the transformers, Supplying and replacing corroded nuts and bolts, gaskets, washers and rectification of leakage of oil complete as required. (Transformers oil for topping up will be supplied by AAI.) b) Second year ii) Transformer 3.3KV/ 433Volts, 250 KVA (Make: Nissan)

Filtration and dehydration of oil for the following installations including testing of the Oil for dielectric strength before and after filtration as per IS: Specification and submission of of the report of B.D.V. Test and Chemical analysis of the oil to determine the level of acidity as per IS: Specification and cleaning of breather and providing fresh charges of Silica Gel to the transformers, Supplying and replacing corroded nuts and bolts, gaskets, washers and rectification of leakage of oil complete as required. (Transformers oil for topping up will be supplied by AAI.) b) Second year iii) Transformer 3.3KV/ 433Volts, 100 KVA (Make: Nissan)

Filtration and dehydration of oil for the following installations including testing of the Oil for dielectric strength before and after filtration as per IS: Specification and submission of of the report of B.D.V. Test and Chemical analysis of the oil to determine the level of acidity as per IS: Specification and cleaning of breather and providing fresh charges of Silica Gel to the transformers, Supplying and replacing corroded nuts and bolts, gaskets, washers and rectification of leakage of oil complete as required. (Transformers oil for topping up will be supplied by AAI.) b) Second year iv) 3.3 KV HT extensible oil switch fuse unit/ Isolator (Make:Mysore Electricals)

Filtration and dehydration of oil for the following installations including testing of the Oil for dielectric strength before and after filtration as per IS: Specification and submission of of the report of B.D.V. Test and Chemical analysis of the oil to determine the level of acidity as per IS: Specification and cleaning of breather and providing fresh charges of Silica Gel to the transformers, Supplying and replacing corroded nuts and bolts, gaskets, washers and rectification of leakage of oil complete as required. (Transformers oil for topping up will be supplied by AAI.) b) Second year v) 3.3KV, Oil immersed Ring Main Units of 200 -400 Amps capacity consisting of one incomer and two outgoings. (Make:Mysore Electricals)

Filtration and dehydration of oil for the 11 KV, 1600 Amp. HT MOCB of Eswaran & Sons make including co-ordination with M/s. Adani Electricity for taking shutdown of the supply, disconnecting the control supply, racking out the MOCB, cleaning the bus bar fingers and insulators, racking in the MOCB after filtration and dehydration of the oil, checking leakage of oil if any & rectification including repacing of gaskets, tightining of screws/nut bolts complete as required and connecting the control supply properly and charging the HT panel in co-ordination with M/s. Adani Electricity and testing the supply and controling etc. (Transformer oil for topping up will be supplied by AAI.) a) First year

Filtration and dehydration of oil for the 11 KV, 1600 Amp. HT MOCB of Eswaran & Sons make including co-ordination with M/s. Adani Electricity for taking shutdown of the supply, disconnecting the control supply, racking out the MOCB, cleaning the bus bar fingers and insulators, racking in the MOCB after filtration and dehydration of the oil, checking leakage of oil if any & rectification including repacing of gaskets, tightining of screws/nut bolts complete as required and connecting the control supply properly and charging the HT panel in co-ordination with M/s. Adani Electricity and testing the supply and controling etc. (Transformer oil for topping up will be supplied by AAI.) b) Second year

Maintenance , Servicing & Overhaling of L&T make Air Circuit Breakers from OEM or authorized service dealer by providing trolley for servicing (preventive maintenance every six months) installed at LT Ess. and Non-Ess. Panels as Main incommers, DG incommers (Substation) and Bus Couplers, DG Syn.Panel and Incoming feeders of AC Panel of the following rating:- a) First year i) 3200 Amp, 4 Pole, U Power Series ACB

Maintenance , Servicing & Overhaling of L&T make Air Circuit Breakers from OEM or authorized service dealer by providing trolley for servicing (preventive maintenance every six months) installed at LT Ess. and Non-Ess. Panels as Main incommers, DG incommers (Substation) and Bus Couplers, DG Syn.Panel and Incoming feeders of AC Panel of the following rating:- a) First year ii) 1600 Amp, 4 Pole, U Power series ACB

Maintenance , Servicing & Overhaling of L&T make Air Circuit Breakers from OEM or authorized service dealer by providing trolley for servicing (preventive maintenance every six months) installed at LT Ess. and Non-Ess. Panels as Main incommers, DG incommers (Substation) and Bus Couplers, DG Syn.Panel and Incoming feeders of AC Panel of the following rating:- a) First year iii) 800 Amp, 4 Pole, C Power Series ACB

Maintenance , Servicing & Overhaling of L&T make Air Circuit Breakers from OEM or authorized service dealer by providing trolley for servicing (preventive maintenance every six months) installed at LT Ess. and Non-Ess. Panels as Main incommers, DG incommers (Substation) and Bus Couplers, DG Syn.Panel and Incoming feeders of AC Panel of the following rating:- a) First year iv) 1250 Amp, 4 pole, U Power series ACB

Maintenance , Servicing & Overhaling of L&T make Air Circuit Breakers from OEM or authorized service dealer by providing trolley for servicing (preventive maintenance every six months) installed at LT Ess. and Non-Ess. Panels as Main incommers, DG incommers (Substation) and Bus Couplers, DG Syn.Panel and Incoming feeders of AC Panel of the following rating:- b) Second year i) 3200 Amp, 4 Pole, U Power Series ACB

Maintenance , Servicing & Overhaling of L&T make Air Circuit Breakers from OEM or authorized service dealer by providing trolley for servicing (preventive maintenance every six months) installed at LT Ess. and Non-Ess. Panels as Main incommers, DG incommers (Substation) and Bus Couplers, DG Syn.Panel and Incoming feeders of AC Panel of the following rating:- b) Second year ii) 1600 Amp, 4 Pole, U Power series ACB

Maintenance , Servicing & Overhaling of L&T make Air Circuit Breakers from OEM or authorized service dealer by providing trolley for servicing (preventive maintenance every six months) installed at LT Ess. and Non-Ess. Panels as Main incommers, DG incommers (Substation) and Bus Couplers, DG Syn.Panel and Incoming feeders of AC Panel of the following rating:- b) Second year iii) 800 Amp, 4 Pole, C Power Series ACB

Maintenance , Servicing & Overhaling of L&T make Air Circuit Breakers from OEM or authorized service dealer by providing trolley for servicing (preventive maintenance every six months) installed at LT Ess. and Non-Ess. Panels as Main incommers, DG incommers (Substation) and Bus Couplers, DG Syn.Panel and Incoming feeders of AC Panel of the following rating:- b) Second year iv) 1250 Amp, 4 pole, U Power series ACB

AMC of 800 Amp SIEMENS make Vacuum Circuit Breakers from OEM or authorized service dealer(preventive maintenance once a year) installed at ELDIS-II (New RADAR) in operational area, Mumbai airport. a) First year

AMC of 800 Amp SIEMENS make Vacuum Circuit Breakers from OEM or authorized service dealer(preventive maintenance once a year) installed at ELDIS-II (New RADAR) in operational area, Mumbai airport. b) Second year

Visiting charges towards inspecting, checking, taking parameters and rectification of the faults if require for ACB from OEM or authorized service dealer. (Beyond 4 nos. preventive maintenance and 8 nos. breakdown complaints.)

Testing and calibration of Voltage and current operated relays as per Annex -III including secondary injection testing and settings once in a year, submitting test reports etc complete as required. Job includes checking proper co-ordination of relays, testing of tripping, checking all the control systems, checking and testing electrical interlocking, checking of control wiring, tightening of the wiring etc. complete as required. a) First year

Testing and calibration of Voltage and current operated relays as per Annex -III including secondary injection testing and settings once in a year, submitting test reports etc complete as required. Job includes checking proper co-ordination of relays, testing of tripping, checking all the control systems, checking and testing electrical interlocking, checking of control wiring, tightening of the wiring etc. complete as required. b) Second year

Cable fault detection of HT / LT underground power cables of the 1.1 KV grade of any size with the cable fault finding machine complete etc. as required.

Supply of transformer oil of IS: 335/1980 ammended upto date with test report as required.

Repainting of following equipments including scrapping by sand/emery paper to get even surface and applying metal primer on corroded surface and painting with two coat of approved brand synthetic enamel/Aluminum paint including writing etc. complete as required. a) Transformer 11KV/ 433Volts, 2 MVA

Repainting of following equipments including scrapping by sand/emery paper to get even surface and applying metal primer on corroded surface and painting with two coat of approved brand synthetic enamel/Aluminum paint including writing etc. complete as required. b) Transformer 3.3KV/ 433Volts, 250 KVA

Repainting of following equipments including scrapping by sand/emery paper to get even surface and applying metal primer on corroded surface and painting with two coat of approved brand synthetic enamel/Aluminum paint including writing etc. complete as required. c) Transformer 3.3KV/ 433Volts, 100 KVA

Repainting of following equipments including scrapping by sand/emery paper to get even surface and applying metal primer on corroded surface and painting with two coat of approved brand synthetic enamel/Aluminum paint including writing etc. complete as required. d) 3.3 KV, 200/400 Amp Ring Main Units and Isolating switch

SARASWAT ENGINEERING SERVICES

Manish Electricals