GENERAL-Servicing and maintenance of 750KVA Transformer and maintenance of Panel boards at MLA Hostel, Thiruvananthapuram.-Servicing -General Electrical Work

Servicing

OD61845/2025-2026:Charges for servicing the existing 750 kVA In door Transformer, cleaning, checking the condition of core, winding, HT / LT bush and Terminals, and make the transformer in good working condition, complete checking and servicing of load break switches After servicing check the insulation resistance and to provide detailed report before recharging as required.

OD61853/2025-2026:supply and fixing of LCD type KWh 3 phase 4 wire class meter with necessary connected item as required

OD61849/2025-2026:supply and fixing of multi function meter to read VA,PF,KW,KWh, accuracy class-1 LCD with necessary connected item as required

90.6.4.2:Supply and drawing 650/1100 V grade FRLS PVC insulated stranded single core copper conductor cables conforming to IS 694 part I 1990 in the existing surface / recess conduit as required including giving necessary connections of the following sizes.1.00 sq.mm 2 Run

OD61844/2025-2026:supply and fixing of 450 mm sweep, 1400 rpm Heavy Duty Exhaust fan working on 230 V A/C and giving connections with all connected accessories as required.

OD61848/2025-2026:Charges for Cleaning and Painting of the existing transformer enclosure, bus duct and its connected accessories, with two coats of Synthetic Enamel Paint ( Smoke grey color) as required.

2.1.1:Providing and fixing following capacity TP&N disconnector fuse switch unit inside the existing panel board with ISI marked HRC fuses including drilling holes in cubicle panel, making connections, etc. as required.32 Amp TP & N

OD61846/2025-2026:Supply and fixing of Blue colour LED indicator, AC/DC, 22.5 mm cut out dia and its connected accessories as required

OD61852/2025-2026:Supply and fixing of Red, Green, Black, Yellow, Orange colours LED indicator, AC/DC, 22.5 mm cut out dia and its connected accessories as required

OD61854/2025-2026:supply and fixing of Three Phase Voltmeter accuracy class 1 with necessary connected item as required

OD61851/2025-2026:supply and fixing of Single Phase Ammeter accuracy class 1 with necessary connected item as required

OD61847/2025-2026:Charges for Cleaning and Painting, checking and tightening of all bus bar and switches of the existing main and sub main panel board, checking and cleaning of capacitor bank cleaning of and its connected accessories, painting with two coats of Synthetic Enamel Paint ( Smoke grey color) as required.

OD61850/2025-2026:Painting letters or figures of the following sizes with enamel paint as identification mark to SB,DB, panelboard, etc. as required 2.5 cm, 4 cm, 5 cm height

2.12.1:Supplying and fixing following rating, double pole, 240 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.40 amps

2.13.1:Supplying and fixing following rating, four pole, 415 volts, isolator in the existing MCB DB complete with connections, testing and commissioning etc. as required.40 amps

2.14.2:Supplying and fixing following rating, double pole, (single phase and neutral), 240 volts, residual current circuit breaker (RCCB), having a sensitivity current upto 300 milliamperes in the existing MCB DB complete with connections, testing and commissioning etc. as required.40 amps

2.15.2:Supplying and fixing following rating, four pole, (three phase and neutral), 415 volts, residual current circuit breaker (RCCB), having a sensitivity current upto 300 milliamperes in the existing MCB DB complete with connections, testing and commissioning etc. as required.40 amps