WBPHED/EE/NMD/NIeT- 01 OF 2026-2027,Sl no 01

6.3 MVA, 33 KV / 6.6 KV / 0.433 KV Subtation :-

Labour charges for day to day round the clock operation of 2X 6.3 MVA of Rating 33 KV / 6.6 KV / 0.433 KV sub-station with indoor type breaker, VCB 1250A (existing 1 no. single panel VCB + 1 no. 3 panel VCB ), HV and LV panel boards, control panel board, on load tap changer including capacitor bank, 110 volt DC trip circuit with maintenance free batteries, battery charger, ACBs and other allied accessories including sweeping cleaning of sub-station's switch yard, control room, office room, toilets etc. by engaging electrical supervisor, electrician etc. as per direction of EIC. for 12 months. ( w.e.f 01.08.2026 to 31.07.2027)

Routine and periodical maintenance of LT & HT panel board, cable, capacitors, transformers, battery with battery charger, CTs & PTs, earthing system, all breakers, on load tap charger, tightening nuts & bolts of bus bar, replacement of control fuses, cleaning of Isolators etc. as per direction of EIC. for 12 months ( w.e.f 01.08.2026 to 31.07.2027)

Servicing and testing of all existing and proposed to be installed ACBs including LT panel board, checking of complete wiring of CTs and PTs with insulation of bus bar, regrassing the contacts and meters within ten days of contracts as direction by the EIC. (Twice in a year) for 12 months ( w.e.f 01.08.2026 to 31.07.2027) a] All O/C, U/V, S/C relays. b] Calibration of all meters. c] ACBs shunt trip circuit.

Servicing, testing and calibration of 4 nos 33KV VCB panel,2 nos Transformer of 6.3 MVA 33KV/6.6KV,6nos 6.6 KV Panel, 2nos RTCC panel, 2 nos relay panel of Metering room including all following IDMT, instantaneous and differential relays by any testing agency approved by WBSEDCL or Directt. Of Electricity Board as per direction of EIC. (Twice in a year) for 12 months ( w.e.f 01.10.2024 to 30.09.2025) a] Non directional IDMT O/C and E/F with high set relays. b] M-pact SCB's release. c] Trans. Differential relays, d] All the auxiliaries realys. e] Bucholtz relay with alarm and trip. f] Shunt trip circuit. g] Alarm, trip and enunciator circuit. h] Calibration of all meters Test result should be submitted at the time of measurement.

Pumping Machinery :-

Labour charges for day to day operation of 3 nos. 1260 KW capacity pumping machineries (max two will be operated at a time and one will be stand by), operation of one no dewatering pumps and other electrical / mechanical accessories including sweeping cleaning of pump house, toilets etc. by engaging skilled, semiskilled and un-skilled personnel in all 3 shifts as per direction of EIC. for 12 months

Routine and periodical maintenance of pumps, motor, starters, valves with actuators control panel, dewatering pumps, LT distribution panel boards, cables, tightening nut bolt of sluice valve, dismantling joints etc including replacement of control fuses, gland packing of pumps, approved quality lubricants for motor bearing, pump bearing etc. as per direction of EIC. for 12 months

Servicing, testing and calibration of 6.6 KV gear as 6.6 KV incoming gear, 3 nos. motor starter panel along with reactor and capacitors as per direction of EIC. (Twice in a year) for 12 months