Operation and Maintenance of 11KV substation andother electrical mechanical accessories at WTP surface Water based water supply scheme for Arsenic affected Areas of Raghunathganj-I Block of Murshidabad District

Operation & guarding of 11 KV/ 0.433 KV , 2 Nos. 1000KVA transformer, H.T , all L.T. Panel boards, VCB, including operation of all accessories and ancillaries for 24 hours a day, sweeping of the sub- station complex daily by engaging skilled, semi skilled, unskilled personnel including watch & word personnel

Periodical inspection, 2 times in a month (5 days in each visit) by Electrical Supervisor having valid Supervisors’ Certificate of competency from Directorate of Electricity (Licensing Board) Govt. of W.B. under any other state Govt. of India. Each visit should be recorded in the Log Book (with date and time) to be supplied by the Agency and kept in the sub-station building. The Supervisor requires to have thorough / in- depth inspection of all the electrical appliances to ascertain the healthy/ fault- free operational condition of each equipment i.e. VCB, transformers, L.T. PDB, capacitors, along with in- house lighting system etc. All other necessary requirement to execute the maintenance work along with Log book, cotton Waste, Broom, Torch, Detergents, Liquid soaps, Gloves, Apron, Tools-Tackles, Terminals, Sockets, Fuses, Indicating Lamp, Gland Packing , Silica gel to be supplied by the Agency as & when required.

Upkeepment of healthy condition of all feeders cleaning of all contactors, terminal sockets, coil etc. ones in a month with the help of CRC-226 spray, grease , Lub oil etc. checking of all internal connection of all feeders panels , LT Panel /H.T Panel , wiring of starters , external wiring of the Sub Station. All the illumination , fixtures including timers & contactors etc. by engaging electrician having valid and appropriate Licence ( Work mans permit) issued by Directorate of Electricity , Govt. of West Bengal or any other State Govt. of India or personnel having ITI (Electrician) Certificate and all the parameters to be recorded in the Log Book with Date & Signature.

Calibration and Testing of various electrical equipment, relays, meters, instruments, interlocks etc to ensure of all equipments are in trouble free condition including testing (twice) and filtration and dehydration (once) of 2 nos 1000KVA Transformer Oil by suitable method as per direction of EIC.