Servicing of HT and LT switch gears along with oil filteration of 4 x 1000 KVA, OLTC, outdoor type transformers in substations 1and 2 and point of supply at CSIR-CECRI, Karaikudi

Filtration of transformer oil through Stream Line filter unit around 70 Deg Celsius to improve the Di-electric Strength to the optimum value for 1000 KVA OUTDOOR Transformers

Replacing the existng Dehydrating Silica Gel in breather and Filling new Fresh high quality Silica Gel Suitable for the Transformers.

Checking of 1000 kVA Transformer insulation Resistance value, Inductance value, Voltage ratio, Buchholz relay, marshalling box connections for proper opeartions and checking control circuit wirings for proper operations, Checking for any oil leakages and arresting the same with suitable measures including replacing the old gaskets with new one if required and other related accessories etc, disconnection of primary HT cable and secondary bus duct and re fixing as per original conditions and ensuring the proper operation of the equipment as required. Make: CG power

Charges for Testing and providing test certificate for checking the condition of Transformer's OTI (Oil Temperature Indicator) and WTI (Winding Temperature Indicator).

Supply of fresh filtered and tested transformer oil of adequate BDV for topping up the same in transformers etc., as required as per IS:335/1993.

Filteration of On Load Tap Changer by flushing with transformer oil using stream line filter unit including Removing and Refilling of transformer oil and Replacing top Cover Cork Rubberized Gaskets of existing 1000kVA Transformer.

Chargers for testing & issuing of test Certificates with suitable primary injuction kit for HT VCB panels at SS-1 &SS-2 for the following : a) Over Current and Earth Fault Relay b) Auxiliary Relay c) Master Trip Relay d) Control circuits checking for proper functioning and rectifying if any at the HT & OLTC panels as required

Overhauling and Maintenance of LT ACB for the following Removing the existing LT ACB 2000/1250/1000/800A, 4 Pole EDO (Electrical Draw Out) or MDO (Mechanical Draw Out) dismantiling and reassembling the parts as required for maintenance purpose including the primary and secondary contacts,clening the dust, checking and servicing the operating mechanism for a smooth and trouble free operations, lubricating, testing the contact resistance, its closing time etc to determine the wear and tear of the same. Measure the insulation resistance values for all poles with open condition and closed condition. Make: L&T

Charges for Testing and issuing of test Certificates with suitable injuction testing kit for LT ACB of capacities vary from 2000/1250/1000/800A panels for the following: a) Over Current, Earth Fault Relay and short circuit test. b) Auxiliary Relay. c) Master Trip Unit d) Control circuits checking for proper functioning and rectifying if any at the LT panels as required

Testing of various type of earth electrodes for its ohmic value with earth resistance tester by removing the connections, cleaning them throughly as required Improve the soil resistivity by watering etc., Painting the values of the earth resistence in the respective earth pits along with the date as required including issuing the necessary test certificate for the same in the transformer yard at SS-1 & 2, PoS of CSIR campus.

Testing and Issuing necessary certificate for BDV Strength of transformer oil etc., as required.

Transport charges for the testing kits and the filteration machine to the site for carrying out testing and filteration work as required.

Supplying and fixing of 18-24 mm outer dia panel door lock, including removing the damaged in existing panel at Substation-1,Substation-2 or wherever required as per site condition .

Overhauling and Maintenance of 22 kV, HT VCB for the following :- Removing the existing VCB 800A 4 Pole EDO (Electrical Draw Out) dismantiling and reassembling the parts as required for maintenance purpose including the primary and secondary contacts,clening the dust, checking and servicing the operating mechanism for a smooth and trouble free operations,lubricating, testing the contact resistance, its closing time etc to determine thewear and tear of the same and replacing of any damaged spare part.however the material cost will be given seperatley. Measure the insulation resistance values for all poles with open condition and closed condition. Make:ABB

Charges for checking the capacitors, thyristors of Thyristor based 250kVAR LT APFC panels for the following: a) Thyristors and reactors. b) Capacitors banks. c) Semiconductor based fuse checking. d) Cleaning the panel throughly e) supply and fixing Al-Cu washer at reactor terminals as required preventive maintanence as required, replacing the wornout materials, etc.,

Point of Supply: Servising of ABB RMU panel with aurthorised ABB service team, ABB RMU panel Model: Safering, Checking the operations & servicing of the existing Sf6 breaker, LBS, checking proper functioning of RMU protection relay(CSDPR-V2-300 DHP) with suitable test kit as required, relay settings, control circuit connections, and terminations of the Point of Supply SF6 breaker panel, as required

Point of Supply: a) Carrying out the preventive maintenance in the Point of supply yard, Checking of Lightning arrestors, Drop out fuse, HT conductors for proper jointing and adusting them as required as per site condition complete in all aspects for satisfacotry operations as required. b) Labour charges towards replacing all the existing nuts, bolts, and washers with new stainless steel ones for the mounted electrical equipment such as lightning arresters, support insulators, AB switches, dropout fuses, conductor connecting bolts, etc., on the two-pole structure at the Point of Supply.

Painting of existing colour/siemens grey for cubical MV panel/ DB's and Black colour for Base supporting MS channel for MV panel of various sizes (Sizes mentioned in Annexure-1) with spray paint/ manual painting of approved brand of one coat on old work as required as per site condition

Supplying and fixing of FRP Grating floor chequered plate of 30 mm thick on the MS staircase at Point of supply yard as per site condition.

Supplying of 18-24 mm outer dia panel door lock with knob type.

Numbering/naming of each LT panel, MV and DB's panel with Reflective type vehicle stickering of size (height) 3 cm to 4 cm of average length 15 cm to 30 cm in the Substation, POS and institute campus as required as per site condition .(The matter or naming details will be provided by the site engineer in charge)

a) Cleaning of bushes near Substation yard over an area of approximately 11m*15m and 13*21 sqm using manual labour only, including the collection and disposal of the cut bushes to the designated disposal area within a distance of 500 m. b) Cutting of old cables, removing/ organising cables of various sizes from 25 Sqmm to 400 Sqmm of 10 to 15 numbers with length approximately from 5 to 15 meters in SS area and the removed cables to be transported to scrap yard with in a distance of 800 meters.

Supply of 3P digital multifunction meter class-1 similar to the existing L&T brand, model number WL4410110000, or an equivalent as approved by the department.

Supply of 3P digital ammeter class-1 similar to the existing L&T brand, model number WL1310100000, or an equivalent as approved by the department.

Supply of Tap position indicator similar to the existing EMCO brand, model number EE-601, or an equivalent as approved by the department.

Fixing of Tap position indicator/ 3P digital ammeter/ 3P digital multifunction meter on the existing panel, including the removal of the existing faulty instrument, including proper connection and setting the appropriate parameters or CT ratio as required to bring the indicator to proper working condition

Supply and fixing of surge protection device set for three phase and neutral in LT ACB panel, with a nominal operating phase voltage of 240V, class-1 conforming to IEC 61643-11, including the supply of connecting cables, bolts, nuts, washers, and supporting/ mount brackets as required as per site conditions, including cutting, drilling and modification in the existing ACB panel as required, and the supply of surge arrester similar to CAPE Model STRIKESORB 40C (Warranty min 10 years limited life time). Make: Cape/ Erico/ Weidmuller or equivalent as approved by department

Supply and fixing of surge protection device for LT main distribution board, with a nominal operating phase voltage of 240V, class-1+2 conforming to IEC 61643-11, din rail mount type, including the supply of connecting cables, bolts, nuts, washers, and supporting/ mount brackets as required as per site conditions, including cutting, drilling and modification in the existing LT main distribution panel as required, and the supply of surge arrester similar to CAPE Model TSD T1 300 3+1R. Make: Cape/ Erico/ Weidmuller or equivalent as approved by department

Supply of surge protection device for LT main distribution board, with a nominal operating phase voltage of 240V, class-1+2 conforming to IEC 61643-11, din rail mount type, the supply of a surge arrester similar to CAPE Model TSD T1 300 3+1R. Make: Cape/ Erico/ Weidmuller or equivalent as approved by department

Supply and fixing of surge protection device for LT sub distribution board, with a nominal operating phase voltage of 240V, class-2 conforming to IEC 61643-11, din rail mount type, including the supply of connecting cables, bolts, nuts, washers, and supporting/ mount brackets as required as per site conditions, including cutting, drilling and modification in the existing sub distribution board as required, and the supply of surge arrester similar to CAPE Model TSD T2 300 3+1R. Make: Cape/ Erico/ Weidmuller or equivalent as approved by department

Supply of surge protection device for LT sub distribution board, with a nominal operating phase voltage of 240V, class-2 conforming to IEC 61643-11, din rail mount type. supply of surge arrester similar to CAPE Model TSD T2 300 3+1R or equivalent. Make: Cape/ Erico/ Weidmuller or equivalent as approved by department

Supply and fixing of surge arrester counter at panels where surge arresters are installed, including wiring, terminations, and base clamps as required, as well as any necessary cutting, drilling, bolts, nuts, and screws as per site conditions, supply of surge arrester counter with max discharge current capacity atleast 50KA, threshold current minimum 50A and conforming to IEC 62561-6, similar to CAPE Model ProSEC II+. Make: Cape/ Erico/ Weidmuller or equivalent as approved by department

Supply of surge arrester counter with max discharge current capacity atleast 50KA, threshold current minimum 50A and conforming to IEC 62561-6, similar to CAPE Model ProSEC II+. Make: Cape/ Erico/ Weidmuller or equivalent as approved by department

Calibration, testing and issuing of test certificate for Kyoritsu digital earth tester Model: KEW 4105A and Kyoritsu high voltage insulation tester Model: KEW3125A

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