Round the clock Operation Guarding of 1250 KVA, 11KV/415V Sub-Station, D.G. Set, Internal External lighting arrangement etc. other allied works at Water Treatment Plant under Surface Water Based W/S Scheme, Northern Sector, Part-II (Nakashipara),

Amount

Round the clock day to day Operation & guarding of installed internal & external electrification arrangement including compound lighting & periodical inspection of 1250KVA, 11KV/415V outdoor type Sub-Stations & equipments including of Battery Charger, Battery bank, HT 3 Panel, ACBs, P.F. correction device, lighting transformers, lighting equipment, LT MCC / panel, LT control / Distribution panel along with Electrical gadgets, valves, 63KVA DG set, compound lighting etc. round the clock including up-keepment of entire installation and sweeping charges at WTP premises under Surface Water Based W/S Scheme, Northern Sector, Part-II (Nakashipara) as per direction of EIC. Major Electro Mechanical machineries at the installation:- a) Electrical Sub-Stations 1250 KVA, 11KV/0.415KV outdoor type b) 63 KVA DG set c) HT 3 panel VCB Panel (800A) with relays d) Remote tap changer panel for transformer - 2nos. e) Lighting Transformers. f) LT MCC panel including all ACBs g) Battery bank & Battery charger unit h) Internal & entire external lighting arrangement including compound lighting etc. Period: 365 days. w.e.f. 01.04.2025 to 31.03.2026

Routine & Periodical inspection by Electrical Supervisor having valid Supervisor Certificate of competency from Directorate of Electricity (Licensing Board), Govt of West Bengal or under any other State, Govt of India along with Technician / Supervisor. Each visit should be recorded in the Log Book (with date & time) to be supplied by the Agency and kept in respective Station. The Supervisor required to have thorough / in depth inspection of all the Electrical appliances to ascertain the healthy / fault free operational condition of each equipments i.e. for sub-station, Actuators, Flow Level / pressure instruments, Gauges, Lighting system, DG set, hoisting arrangements, Exhaust Fans, HT VCB Panel & L T Panel Boards, Cables, Capacitors, Transformers, Battery and Battery Chargers, Chlorination system including safety management system in compliance to the guide line as mentioned in the NIT. The periodic chart in tabular format as per direction of the EIC and in comply to the specification enclosed herewith for the check points scheduled should be furnished to the Department All other necessary requirement to be executed along with Log Book, Mobil, Cotton waste, Broom, Torch,. Detergents, Liquid soaps, Gloves, Apron, Tools, Tackles, Terminals, Sockets, Fuses, Indicating Lamps, Gland packing etc. to be supplied by the Agency as and when required through out the whole period 365 days/ 1 year.

Cleaning of contacts twice in a month in the LT Panel Board, HT Panel, Busbar, cleaning of all Terminal Sockets, Coils once in a month in presence of Electrical Supervisor / Electrician and to be recorded in the Log Book with date including supply of new gland packing, fuses, cotton waste, indicating lamps etc. 12 months

Servicing, testing and calibration complete with submission of report (specify of set point) in compliance with the guide line as per specification for the ACBS, VCB, Transformer oil level, replacement of silica gel etc. checking complete, wiring, testing CTs, PTs, Relay testing and calibration, insulation check in the period 12 months (twice in year)

Consumption of diesel for 63KVA capacity DG set @ 11 ltr./hr. including all carriage & storage for 365 days X 2hr. run/day i.e. 730 hours [Measurement must be as per actual running Hr/log book.]

Consumption of Mobil oil including all carriage & storage for the 63KVA DG set for 365 days x 2hrs. run/day i.e. 730 Hrs. [Measurement must be as per actual running Hr/log book.]

Tarun Kumar Bhattacharya (BID ID -6249351)

H.K.DAS & CO. (BID ID -6237078)