VCB ROOM MODIFICATION, ACB SERVICING, HIGH MAST MAINTENANCE, AND MISCELLANEOUS ELECTRICAL WORKS AT PARADEEP INSTALLATION

The contractor shall supply all required materials (wherever applicable), labour, tools & tackles,

testing instruments, and consumables required for successful completion of the following works. All

works shall be carried out as per relevant IS standards and the instructions of the Engineer-in-Charge

while adhering to all applicable safety regulations.

1. VCB Room Maintenance

• Dismantling of the existing rolling shutter and glass window assemblies without damaging

adjacent structures.

• Removal of old frames, debris, and unwanted materials from the site.

• Preparation, dressing, and finishing of the wall opening to provide adequate clearance for

smooth withdrawal and insertion of the VCB cradle during maintenance.

• Supply, fabrication, and installation of powder-coated aluminium glass frames complete with

glass, accessories, and necessary hardware.

• Proper alignment, sealing, finishing, and making good of the disturbed surfaces after

completion of work.

• Cleaning of the work area and handing over the site in a neat condition.

2. Servicing of ACB and Associated Panels

• Preventive maintenance of Air Circuit Breakers (ACBs) and associated LT panels.

• Cleaning, inspection, lubrication, tightening of electrical and mechanical connections, and

functional checks of all ACBs.

• Replacement of defective components including:

o Maintenance Cover

o Cradle Front Fascia

o ECD (240 V AC)

o Shunt Release (240 V AC)

o Closing Release (240 V AC)

o UV Release (415 V)

o Mechanical Interlock/Main Mechanism

o Communication Modules/Cards

• Reassembly, calibration (where applicable), testing, and commissioning of the ACBs after

• Verification of protection functions, electrical interlocks, mechanical operations, and

communication functions.

3. High Mast Tower Maintenance

• Supply and laying of 3.5-core, 50 sq.mm power cable for the High Mast Tower, including

termination, gland, lugs, and testing.

• Replacement of existing failed High Mast LED luminaires with 480 W LED fittings.

• Testing of the complete High Mast lighting system after installation and rectification of any

defects observed during commissioning.

4. Miscellaneous Electrical Works

• Supply, laying, termination, and testing of:

o 2.5 sq.mm × 3-core cable for the Barrier Gate.

o 10 sq.mm × 4-core cable for the HVLR system.

• Supply, installation, testing, and commissioning of one Flameproof (FLP) Amplifier complete

with two Sound Funnels and all necessary accessories.

• Comprehensive servicing of seven Control Room Air Conditioners, including jet water cleaning

of indoor and outdoor units, cleaning of filters, condensers and evaporator coils, inspection of

electrical connections, checking operational parameters, and overall performance testing.

• Refrigerant gas charging of three 3 TR AC units and one 1.5 TR AC unit after leak checking and

rectification (if required).

5. General Requirements

• The contractor shall arrange all necessary manpower, tools, tackles, lifting equipment,

scaffolding, consumables, and PPE required for execution of the work.

• Necessary shutdowns shall be coordinated with the Engineer-in-Charge.

• All dismantled scrap materials shall be handed over to BPCL unless otherwise instructed.

• The contractor shall conduct insulation resistance, continuity, functional, and operational

tests wherever applicable and submit test reports.

• The work area shall be restored to its original condition after completion of the job.

• The contractor shall comply with BPCL safety procedures, permit-to-work system, statutory

regulations, and housekeeping requirements throughout the execution of the work.

SI.No Job Description (Short Text) UOM Qty. Rate Total

Rolling shutter Dismantling and repair N

2 9024565 S/F of Powder Coasted Glass frame M2

3 9034393 480W Led Light for High Mast No

4 9001687 Mnt. . . PANELS No

Supply UV Panel Maintenance Cover No

UW Cradle Front Facia for ACB No

5 9001689 Mnt. . . ACB No

UW ECD 240 V AC No

UW Shunt Release 240 Ac No

UW Closing Release 240 V No

UW UV Release 415 V No

Fitting Charges No

. . . MECH INTERLOCK 2 I/C(Main Mechanism for

7 9017906 Module Communication Card No

9 9020848 50sqmm * 3.5 Cable for HMT - 2 M

10 9020869 2.5 sqmm * 3 C cable for Barrier Gate M

11 9020852 10 sqmm * 4 C cable M

12 9008567 Comm System Supply FLP Amplifier No

Sound Funnel Nos

13 9010270 AC Servicing for Control Room

Jet Water Servicing AC Nos

Gas Filling 3 ton AC Nos

Gas Filling 1.5 ton AC Nos

14 9018729 Excavation M3

Total with 18% GST