NIT No: 10/UP-ESS/EEE/CE/NRANVP/2026-27, Nava Raipur Atal Nagar Dist. Raipur, Dated: 28.04.2026

Supply, Installation, Testing and Commissioning (SITC) of 33/11 kV, 5 MVA Power Transformer suitable for outdoor installation, complete with off-load tap changer, copper wound, oil-immersed and naturally cooled type. The scope shall include supply and erection of transformer complete with all standard fittings and accessories such as conservator, silica gel breather, Buchholz relay, oil level indicator, winding temperature indicator (WTI), oil temperature indicator (OTI), magnetic oil level gauge (MOG), pressure relief device, marshalling box, radiators, valves, and earthing terminals. The transformer shall be provided with HV and LV side cable end termination boxes, complete with glands, lugs, ferrules, interconnections, and all necessary hardware for proper termination. The work shall also include filling of transformer oil (if required), filtration, testing, commissioning, and all associated works for making the system fully operational. The entire work shall be executed as per approved drawings, attached technical specifications, CSPDCL standards, Electrical Inspectorate norms, and as directed by the Engineer-in-Charge, complete in all respects. The unit shall strictly conform to the attached detailed technical specifications.

Supplying and laying following sizes one number XLPE, steel armoured, aluminium conductor power cable of 33 KV grade in existing masonry open duct as required. 3C X 400 sqmm

Supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminum conductor cable of 33 KV grade as required : 400 sqmm

Supplying and making straight through cable jointing with heat shrinkable jointing kit complete with all accessories including ferrules suitable for following size of 3 core, XLPE aluminum conductor cable of 33 KV grade as required : 400 sqmm

Supplying and laying following sizes one number XLPE, round wire steel armoured, aluminium conductor power cable of 11 KV(E) grade in existing masonry open duct as per specification. 3 x 300 sq mm

Supplying and making INDOOR cable end jointing with heat shrinkable cable jointing kit including lugs and other jointing materials, for following size of 3 core, XLPE aluminum conductor cable of 11 KV grade as per specification: 300 sq. mm

Supplying and making STRAIGHT THROUGH cable jointing with heat shrinkable cable jointing kit including ferrule and other jointing materials, for following size of 3 core, XLPE aluminum conductor cable of 11 KV grade as per specification:

Supplying and laying following sizes one number FRLS PVC insulated , PVC sheathed, steel armoured, aluminium conductor power cable of 1.1 KV grade in existing masonry open duct as per specification, IS: 9537 (2000, Part 5). 3.5 x 50 sq. mm.

Supplying and laying following sizes one number FRLS PVC insulated , PVC sheathed, steel armoured, aluminium conductor power cable of 1.1 KV grade in existing masonry open duct as per specification, IS: 9537 (2000, Part 5). 3.5 x 70 sq. mm.

Supplying and laying following sizes one number FRLS PVC insulated , PVC sheathed, steel armoured, aluminium conductor power cable of 1.1 KV grade in existing masonry open duct as per specification, IS: 9537 (2000, Part 5). 3.5 x 150 sq. mm.

Supplying and making end termination with brass compression gland and aluminum lugs for following size armoured aluminum conductor power cable of 1.1 KV grade as per specification. 3½ X 50 sq. mm (32 mm)

Supplying and making end termination with brass compression gland and aluminum lugs for following size armoured aluminum conductor power cable of 1.1 KV grade as per specification.3½ X 70 sq. mm (35 mm)

Supplying and making end termination with brass compression gland and aluminum lugs for following size armoured aluminum conductor power cable of 1.1 KV grade as per specification. 3½ X 150 sq. mm (45 mm)

Supplying, laying, glanding, terminating, testing and commissioning of 1.1 kV grade, 2 core × 2.5 sq.mm FRLS PVC insulated, PVC sheathed, steel armoured copper control cable in ready-made trenches/pipes/conduits, including proper dressing, clamping, and routing as per approved layout. The scope shall include providing and fixing of suitable cable glands, lugs, ferrules, identification tags, clamps, cable markers, and all necessary accessories and hardware, along with earthing of armour, termination at both ends, and interconnections for complete and proper functioning. The entire work shall be carried out as per approved drawings, attached specifications, CSPDCL standards, Electrical Inspectorate norms, and as directed by the Engineer-in-Charge, complete in all respects.

Supplying, laying, glanding, terminating, testing and commissioning of 1.1 kV grade, 4 core × 2.5 sq.mm FRLS PVC insulated, PVC sheathed, steel armoured copper control cable in ready-made trenches/pipes/conduits, including proper dressing, clamping, and routing as per approved layout. The scope shall include providing and fixing of suitable cable glands, lugs, ferrules, identification tags, clamps, cable markers, and all necessary accessories and hardware, along with earthing of armour, termination at both ends, and interconnections for complete and proper functioning. The entire work shall be carried out as per approved drawings, attached specifications, CSPDCL standards, Electrical Inspectorate norms, and as directed by the Engineer-in-Charge, complete in all respects.

Supplying, laying, glanding, terminating, testing and commissioning of 1.1 kV grade, 8 core × 2.5 sq.mm FRLS PVC insulated, PVC sheathed, steel armoured copper control cable in ready-made trenches/pipes/conduits, including proper dressing, clamping, and routing as per approved layout. The scope shall include providing and fixing of suitable cable glands, lugs, ferrules, identification tags, clamps, cable markers, and all necessary accessories and hardware, along with earthing of armour, termination at both ends, and interconnections for complete and proper functioning. The entire work shall be carried out as per approved drawings, attached specifications, CSPDCL standards, Electrical Inspectorate norms, and as directed by the Engineer-in-Charge, complete in all respects.

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal and salt as per specification.

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as per specification.

Supply, fabrication and installation of M.S. angle/channel patti of size 75 mm × 75 mm × 6 mm in cable trench inside the substation, complete with cutting, drilling, welding, and proper fixing/alignment. The scope shall include providing and fixing of nuts, bolts, clamps, tie rails, supports, and all other sundry materials required for proper laying and support of cables in the trench. The work shall also include surface preparation and necessary painting for corrosion protection, wherever required. The entire work shall be executed as per detailed technical specifications, approved drawings/design (to be approved by Engineer-in-Charge), and as per instructions and guidelines of the Engineer-in-Charge, complete in all respects.

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe, with charcoal and salt as per specification.

Providing and fixing earth bus of 50 mm X 5 mm copper strip on surface for connections etc. as per specification.

Supply, Installation, Testing and Commissioning (SITC) of Spike Earthing System comprising 2.0 m long, 25 mm dia G.I. rod electrode, driven/installed in ground, complete with earthing pit formation and refilling using approved earthing compound/chemical, coal, salt, and black cotton soil to achieve required earth resistance. The scope shall include providing and laying of G.I. earth riser up to the equipment, connection with suitable clamps, lugs, fasteners, protective pipe, chamber with CI cover, watering arrangement (if required), and all necessary accessories and hardware for complete installation. The work shall be carried out as per approved drawings and substation design, relevant guidelines and standards, and as directed by the Engineer-in-Charge (Drg. & Design to be approved by EIC), complete in all respects.

Supply, fabrication, installation, and painting of MS structural supports made of 100 mm × 50 mm sections for supporting electrical equipment, complete with cutting, welding, drilling, erection, and proper alignment. The scope shall include providing and fixing of all necessary accessories, fasteners, base plates, anchor bolts, clamps, and hardware, along with surface preparation, primer coating, and finishing with approved paint system for corrosion protection. The work shall be executed as per approved drawings, attached specifications, CSPDCL standards, and as directed by the Engineer-in-Charge, complete in all respects.

Planning, design and construction of RCC foundation for 5 MVA transformer mounting plinth of size 3.10 m × 3.10 m × 1.50 m, using M-20 grade reinforced cement concrete, complete with suitable rail arrangement for transformer placement, excavation, backfilling, shuttering, reinforcement, finishing, and all allied works as per standard engineering practice and site soil conditions. The work shall be carried out as per the drawing issued by the Engineer-in-Charge and as directed by the Engineer-in-Charge, complete in all respects.

Supply, Installation, Testing and Commissioning (SITC) of Transformer Yard Development Works for an area of 15 m × 10 m, comprising preparation of yard surface with 150 mm thick layer of morum and 200 mm thick layer of 40 mm size metal (stone aggregate), properly compacted and finished as per standard engineering practice. The scope shall include necessary grading and arrangement for proper drainage to prevent water logging in the yard, along with providing and laying of G.I. pipeline network for watering/maintenance of each earth pit from the water tank, complete with all fittings, valves, joints, and accessories. The entire work shall be executed as per detailed technical specifications, guidelines, and drawings issued by the Engineer-in-Charge, including all materials, labour, tools, and equipment required for complete and satisfactory execution.

Supplying and erecting chain link mesh fencing for electric sub-station switch yard of 2.5 m approx. height from ground level using angle iron size 50 X 50 X 6 mm erected in C.C.foundation 15 X 15 X 40 cm deep at every 2 metre fitted with flat iron support of size 25 X 6 mm on top, bottom and mid way and chain link mesh 50 x 50 mm aparture and 4 mm dia G.I. hard wire securing and screwing with 2mm dia G.I. wire, G.I. staples, G.I.U-nails or steel pins to the angle iron at every distance of 30 cms, by iron studs complete duly painted with one coats of red oxide and two coats of approved colour paint as per CSPDCL standards and direction of EIC

Supplying and erecting MS gate of approx. size 3.0 m (W) x 2.0 m (H) in two laps for electric sub-station switch yard fencing frame made of angle iron size 50 X 50 X 6 mm on top bottom and sides fitted with flat iron support of size 25 X 6 mm on mid way horizontaly and square bar of size 8 mm at every 100mm vertically including 3 sets of heavy duty MS hinges and aldrop complete duly painted with one coats of red oxide and two coats of approved colour paint as per CSPDCL standards and direction of EIC.

Supplying, installation, testing and commissioning following rating single phase in single phase out ON-LINE UPS including connection etc but without batteries as per specification. 5 KVA with DC bus voltage 180 V

Supplying, installation, testing and commissioning following rating (Sealed Maintenance Free) lead acid battery including connection as per specification. 42 AH

Supply, Installation, Testing and Commissioning (SITC) of 12kV Shunt Capacitor Bank of 1200 kVAR capacity, complete in all respects for efficient power factor improvement and reliable operation. The scope shall include supply and erection of capacitor units, suitable mounting structure/stand, discharge resistors, Residual Voltage Transformers (RVTs), Current Transformers (CTs), APFC relay for automatic power factor correction, protective relays, and interconnecting aluminium/copper bus bars. The panel shall be provided with digital multifunction meter (V, I, kVAR, PF, frequency), necessary indicating lamps for ON/OFF/healthy status, and annunciation system for faults such as capacitor failure, unbalance, over-voltage, under-voltage, and over-current conditions. The work shall also include control wiring, power cabling, terminal blocks, ferrules, glands, lugs, earthing arrangement, and all required accessories and hardware for complete installation, testing, and commissioning of the system. Proper protection, switching, and automatic step control of capacitor bank shall be ensured through APFC relay. The entire work shall be executed in accordance with approved drawings, attached technical specifications, CSPDCL standards, Electrical Inspectorate norms, and as directed by the Engineer-in-Charge.

Supply, Installation, Testing and Commissioning (SITC) of Battery and Battery Charger System comprising 30V, 180Ah Lead Acid Battery bank (heavy-duty type) complete with automatic battery charger suitable for float and boost charging operations. The scope shall include acid-resistant battery stand, inter-cell connectors, electrolyte, vent plugs, battery terminals, cable connections, and all necessary accessories and hardware required for complete installation. The battery charger shall be provided with necessary metering (voltmeter, ammeter), indication lamps for charging/healthy/trip status, and annunciation for faults such as charger failure, low/high voltage, and DC supply failure. The entire work shall be executed in accordance with approved drawings, attached specifications, CSPDCL standards, Electrical Inspectorate norms, and as directed by the Engineer-in-Charge.

Supplying, laying, fixing, and jointing of 50 mm × 6 mm Copper (Cu) earth strip along the route, including proper alignment and connection with all intermediate steel supports, and terminating with firm connections to the earthing systems at both end stations. The work shall include providing and fixing of ferrules, clamps, fasteners, and all other necessary accessories and hardware required for complete installation. The entire work shall be carried out as per approved specifications, CSPDCL standards, Electrical Inspectorate norms, and as directed by the Engineer-in-Charge.

Providing and fixing of fire-fighting arrangements in transformer yard, comprising installation of 02 Nos. fire bucket stands, each complete with 04 Nos. of 16-litre capacity buckets filled with sand, including proper mounting, painting, and positioning at designated locations. The scope also includes provision and fixing of sign boards with appropriate safety instructions and lettering, along with all necessary fittings, fixtures, and accessories. All items shall conform to relevant IS standards and safety provisions. The work includes supply, transportation, installation, painting, lettering, and ensuring proper visibility and accessibility of fire-fighting equipment, complete in all respects as per detailed technical specifications and as directed by the Engineer-in-Charge.

Supply and providing of safety equipment for electrical installations, comprising safety helmets (06 Nos.), discharge rods (02 Nos.), 33 kV HT insulated hand gloves (02 pairs), safety charts, notice boards, and display of single line diagram (SLD), complete in all respects. The item includes supply, transportation, installation/display at designated locations, and all necessary accessories for proper usage. All items shall conform to relevant IS/IEC standards and safety guidelines. The work shall be executed as per detailed instructions, approved drawings, and guidelines, and as directed by the Engineer-in-Charge. The scope includes proper mounting/installation of charts, boards, and SLD, ensuring visibility and compliance with safety norms, complete.

Supplying, laying and fixing of 50 mm × 6 mm GI earthing strip along the route of 33 kV cable, including proper alignment and installation, with connections to steel supports at regular intervals and termination at both end stations by firmly connecting to the existing earthing system. The work shall include providing and fixing of all necessary ferrules, clamps, nuts, bolts, washers, jointing materials, and other accessories required for complete and effective earthing. The item shall be executed in accordance with approved drawings, attached technical specifications, CSPDCL standards, and Electrical Inspectorate standards, and as directed by the Engineer-in-Charge. The scope includes supply of materials, transportation, laying, fixing, jointing, testing, and commissioning, complete in all respects.

Providing, lowering, laying, aligning, fixing in position and jointing of Electrical Insulating Rubber Mats at all required locations for safety of electricians and technicians against accidental current leakage during operation and maintenance of AC/DC installations, conforming to IS: 15652 (2006). The mats shall be of Class-C insulation, suitable for maximum use voltage up to 33 kV AC (rms) and 240 V DC (rms), with dielectric strength of 65 kV (AC rms) and proof voltage of 36 kV (AC rms). The mat shall be of 3 mm thickness, 1000 mm width, and 10 m length, having anti-skid diamond plate (rough) surface finish, in black or blue colour coding. The scope includes supply of approved materials, transportation, laying, proper alignment, jointing, edge finishing, testing, and commissioning, complete in all respects as per detailed technical specifications and as directed by the Engineer-in-Charge, NRANVP.

Providing and construction of fire-fighting arrangements for 5 MVA transformers, comprising construction of fire separation wall between two transformers and providing burnt oil collection pit/tank of suitable capacity, complete in all respects, as per applicable guidelines, approved drawings issued by the Engineer-in-Charge (EIC), detailed technical specifications, and as directed at site. The item shall include all materials, labour, excavation, RCC works, finishing, testing, and commissioning, complete.