The work of replacement of damaged VCBs, relay revitalization and strengthening of 33/11 KV Substations Under EDD-IInd, Chandpur in BP 2024-25

Amount

Safe carriage of following material from store center PVVNL to site of work with loading and unloading at both ends.

300 mmsq Cable jointing kit

120 mmsq Cable jointing kit

185 mmsq Cable jointing kit

24V Battery Charger

Battery Set.

33KV post insulator.

33kv CT 200/100/1A T.

Vaccume interrupter of 11kv VCB.

Supply of following material including freight and insurance charges as per Resspo Norms.

33KV Isolator Jaw.

33KV Isolator blade

O/C, E/F Relay having following specification Numerical micro control Based 4 Pole, 3 O/C, + 1 E/F, IDMT Protection Relay, Auxiliary Voltage 18- 250 V AC/DC CT Secondary 1/5 Amp. Auxiliary Supply 18- 250 V AC/DC with +/- 20 % tolerance Instantaneous O/C Plug setting 5 % to 250 % in steps of 1% Instantaneous E/F Plug setting 5 % to 250 % in steps of 1% High Set O/C Setting 50% to 3000% in steps of 1 % High Set E/F Setting 50% to 3000% in steps of 1 % Time multiplier setting for O/C & E/F 0.01 to 1.5 steps of 0.01. Time delay for High Set O/C & E/F 0.00 Sec to 99.9 sec in steps of 0.1 Sec.

11kv Tripping/closing Coil.

L.T. Lugs (Nuts/bolts type)

Installation of the following material as per RESPO manual and direction of the Engineer Incharge (complete in all respect)

Erection of 300 mmsq Cable jointing kit in place of Defective.

Erection of 120 mmsq Cable jointing kit in place of Defective.

Erection of 185 mmsq Cable jointing kit in place of Defective.

Erection of 24V Battery Charger in place of Defective.

Erection of Battery Set in place of Defective.

Erection of 33KV post insulator in place of Defective.

Erection of 33kv CT 200/100/1A in place of Defective.

Erection of Vaccume interrupter of 11kv VCB in place of Defective.

Erection of 33KV Isolator Jaw in place of Defective.

Erection of 33KV Isolator blade in place of Defective.

Erection of O/C, E/F Relay having following specification Numerical micro control Based 4 Pole, 3 O/C, + 1 E/F, IDMT Protection Relay, Auxiliary Voltage 18- 250 V AC/DC CT Secondary 1/5 Amp., Auxiliary Supply 18- 250 V AC/DC with +/- 20 % tolerance, Instantaneous O/C Plug setting 5 % to 250 % in steps of 1% , Instantaneous E/F Plug setting 5 % to 250 % in steps of 1%, High Set O/C Setting 50% to 3000% in steps of 1 %, High Set E/F Setting 50% to 3000% in steps of 1 %, Time multiplier setting for O/C & E/F 0.01 to 1.5 steps of 0.01., Time delay for High Set O/C & E/F 0.00 Sec to 99.9 sec in steps of 0.1 Sec. in place of Defective

Erection of 11kv Tripping/closing Coil in place of Defective.

Erection of L.T. Lugs (Nuts/bolts type) in place of Defective.

Earthing of Control and Relay panel with 50x6 mm G.I. Strips in place of Defective.

Erection of Painting of rusted structures, equipment earthing strips, panel etc in place of Defective.

Erection of Attending leakage of 5 MVA Power Transformer by replacement + Defective Gadject in place of Defective.

Erection of Attending leakage of 10 MVA Power Transformer by replacement + Defective Gadject in place of Defective.

Erection of Delta earthing of 5/10 MVA Power Transformer in place of Defective.

Dismentalling and Back Cartage of following Material From Work site to Store Centre Bijnor with Loading & Unloading at both ends.

24V Battery Charger (Scrap)

Battery Set (Scrap)

33kv CT 200/100/1A (Scrap)

M.S. SAROJ ENTERPRISE