Work of SETC of Single Core 33 KV cable for electrically interconnecting 50 MVA yard with 220/110/33 KV main yard, 33KV digital panels in replacement of conventional Control and Relay Panels of 33 KV feeders at 220 KV Ponda Sub-Station

Supply

SETC of Single phase, 220KV Current Transformer, outdoor type having ratio 800-300-150/1-1-1-1-1, complete with accessories.

SETC of Single phase 216KV, 10KA, polymer gapless lightning arrester, station type, zinc oxide type complete with accessories.

SETC of Single phase, 110KV Current Transformer, outdoor type having ratio 800-600-300/1-1-1-1-1 complete with accessories.

SETC of Single phase 96KV, 10KA, polymer gapless lightning arrester, station type, zinc oxide type complete with accessories.

Design, Supply, Erection, Testing & Commissioning of Indoor Control & Protection Panel for 33KV Line Bay (for controlling 4 nos of line bays)

Design, Supply, Erection, Testing & Commissioning of Outdoor Process Bus Interface Panel of 33KV line Bay (for controlling 2 Nos of line bays)

Supply, Laying, Testing & Commissioning of FRLS Control cables with nickel platted brass glands, terminators etc. 1.1KV grade,12core x2.5 Sq. mm, heavy duty, PVC sheathed, PVC insulated copper conductor cable, armoured conforming to IS:1554-1.

Supply, Laying, Testing & Commissioning of FRLS Control cables with nickel platted brass glands, terminators etc. 1.1KV grade,19 core x 2.5 Sq. mm, heavy duty, PVC sheathed, PVC insulated copper conductor cable, unarmoured conforming to IS:1554-1.

Supply, Laying, Testing & Commissioning of FRLS Control cables with nickel platted brass glands, terminators etc. 1.1KV grade,4 core x 4 Sq. mm, heavy duty, PVC sheathed, PVC insulated copper conductor cable, unarmoured conforming to IS:1554-1.

Supply, Laying, Testing & Commissioning of FRLS Control cables with nickel platted brass glands, terminators etc. 1.1KV grade, 2core x 10 Sq. mm, heavy duty, PVC sheathed, PVC insulated copper conductor cable, unarmoured conforming to IS:1554-1.

33KV, 1 Core x 630 Sq. mm "2XWY-FRLS" Stranded Compact Circular Plain Annealed Copper Conductor, in accordance with technical Specification.

Supply and filling of Sand in plinth uner floors , trenches including waterin ,ramming consolidating ,dressing complete.

Supply of Underground Cable protective cover as per specification as given below: The concrete slab should be machine made using semi-dry concrete that is batched in a fully automatic PLC controlled concrete batching plant and cast in a fully automatic "Vibro-Press" machine with a high vibration frequency and a hydraulic pressure of 40 MT. The size of the slab shall be 480mm x 250mm x 50mm (+- 2mm) and the concrete grade shall be M30 adhering to IS 456 : 2000 and shall have a minimum crushing strength of 30N/mm2 (28 days strength) when tested. Calculation: (21000/0.48)

Supply and laying of RCC Pipe 250 mm as per GSR 2020 (Roads)

Supply and erection of warning tape

33KV Heat Shrinkable Straight Through jointing kit for 33KV Single Core 630Sq. mm Copper Power cable

36 KV,3 pole, 1250 Amps, 31.5 KA for 3 sec. Isolator, without earthing switch along with terminal connector suitable for Twin Zebra conductor complete in accordance with technical specifications.

36 KV,3 pole, 1250 Amps, 31.5 KA for 3 sec. Isolator, with earthing switch along with terminal connector suitable for Twin Zebra conductor complete in accordance with technical specifications.

33KV single phase Current Transformer having ratio 1250-800-600/1-1-1-1 4core (PS-0.2S-5P20-PS) along with terminal connector suitable for Twin Zebra conductor complete in accordance with technical specifications.

36KV, 4KN, Post type Insulator (Set of 3Nos.) conforming to IS: 2544 and IEC-168.

30KV, 10KA station class type, self supporting Polymer Gapless Lightning Arrestor, as per technical specifications.

Earthing of Centrufugally Cast Iron, 100mm dia nominal bore, 3000mm long pipe earth electrode with test connection links having welded HDGI flat of size 75 x 8mm, Homogeneous layer of 30Kgs each of salt & Coke charcoal complete for Transformer Bay Earthing conforming to IS:3043-2018. The Masonary Work & CI cover is covered under scope of Civil work.

HDGI Flat Strip of size 50x6mm for connecting equipment to earth grid with overlapping of minimum 3 inches, connectors, fastners etc. conforming to IS:3043-2018.

HDGI Steel Structure with suitable design for 33KV Isolator,33 KV PT , etc complete including all structural components of the Pole, Anchor Bolts, Anchor Plate & Template complete.

Testing, Erection and Commissioning

SETC of Single phase, 220KV Current Transformer, outdoor type having ratio 800-300-150/1-1-1-1-1, complete with accessories.

SETC of Single phase 216KV, 10KA, polymer gapless lightning arrester, station type, zinc oxide type complete with accessories.

SETC of Single phase, 110KV Current Transformer, outdoor type having ratio 800-600-300/1-1-1-1-1 complete with accessories.

SETC of Single phase 96KV, 10KA, polymer gapless lightning arrester, station type, zinc oxide type complete with accessories.

Design, Supply, Erection, Testing & Commissioning of Indoor Control & Protection Panel for 33KV Line Bay (for controlling 4 nos of line bays)

Design, Supply, Erection, Testing & Commissioning of Outdoor Process Bus Interface Panel of 33KV line Bay (for controlling 2 Nos of line bays)

Supply, Laying, Testing & Commissioning of FRLS Control cables with nickel platted brass glands, terminators etc. 1.1KV grade,12core x2.5 Sq. mm, heavy duty, PVC sheathed, PVC insulated copper conductor cable, armoured conforming to IS:1554-1.

Supply, Laying, Testing & Commissioning of FRLS Control cables with nickel platted brass glands, terminators etc. 1.1KV grade,19 core x 2.5 Sq. mm, heavy duty, PVC sheathed, PVC insulated copper conductor cable, unarmoured conforming to IS:1554-1.

Supply, Laying, Testing & Commissioning of FRLS Control cables with nickel platted brass glands, terminators etc. 1.1KV grade,4 core x 4 Sq. mm, heavy duty, PVC sheathed, PVC insulated copper conductor cable, unarmoured conforming to IS:1554-1.

Supply, Laying, Testing & Commissioning of FRLS Control cables with nickel platted brass glands, terminators etc. 1.1KV grade, 2core x 10 Sq. mm, heavy duty, PVC sheathed, PVC insulated copper conductor cable, unarmoured conforming to IS:1554-1.

33KV, 1 Core x 630 Sq. mm "2XWY-FRLS" Stranded Compact Circular Plain Annealed Copper Conductor, in accordance with technical Specification.

Earthwork in excavation by mechanical means (hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sq.m on plan) including disposal of excavated earth lead upto 50 m and lift upto 1.5m disposed earth to be leveled and neatly dressed including providing barricading, danger lighting guarding as directed in all types of ordinary rock including all types of Hard rock, blasting prohibited

Refilling the pipeline/foundation trenches plinth sides, foundation etc. with available excavated earth in layers not exceeding 20 cm depth consolidating each layer ramming and watering lead upto 50 M and all lifts and disposal of surplus earth as directed by Engineer in Charge.

Disposal of extra excavated soil

Laying of Underground Cable protective cover as per specification as given below: The concrete slab should be machine made using semi-dry concrete that is batched in a fully automatic PLC controlled concrete batching plant and cast in a fully automatic "Vibro-Press" machine with a high vibration frequency and a hydraulic pressure of 40 MT. The size of the slab shall be 480mm x 250mm x 50mm (+- 2mm) and the concrete grade shall be M30 adhering to IS 456 : 2000 and shall have a minimum crushing strength of 30N/mm2 (28 days strength) when tested. Calculation: (21000/0.48)

33KV Heat Shrinkable Straight Through jointing kit for 33KV Single Core 630Sq. mm Copper Power cable

36 KV,3 pole, 1250 Amps, 31.5 KA for 3 sec. Isolator, without earthing switch along with terminal connector suitable for Twin Zebra conductor complete in accordance with technical specifications.

36 KV,3 pole, 1250 Amps, 31.5 KA for 3 sec. Isolator, with earthing switch along with terminal connector suitable for Twin Zebra conductor complete in accordance with technical specifications.

33KV single phase Current Transformer having ratio 1250-800-600/1-1-1-1 4core (PS-0.2S-5P20-PS) along with terminal connector suitable for Twin Zebra conductor complete in accordance with technical specifications.

36KV, 4KN, Post type Insulator (Set of 3Nos.) conforming to IS: 2544 and IEC-168.

30KV, 10KA station class type, self supporting Polymer Gapless Lightning Arrestor, as per technical specifications.

Earthing of Centrufugally Cast Iron, 100mm dia nominal bore, 3000mm long pipe earth electrode with test connection links having welded HDGI flat of size 75 x 8mm, Homogeneous layer of 30Kgs each of salt & Coke charcoal complete for Transformer Bay Earthing conforming to IS:3043-2018. The Masonary Work & CI cover is covered under scope of Civil work.

HDGI Flat Strip of size 50x6mm for connecting equipment to earth grid with overlapping of minimum 3 inches, connectors, fastners etc. conforming to IS:3043-2018.

HDGI Steel Structure with suitable design for 33KV Isolator,33 KV PT , etc complete including all structural components of the Pole, Anchor Bolts, Anchor Plate & Template complete.

Dismantling

Dismantling of CRP panels along with removal of existing control cables from panels to Bay equipments

Dismantling of 220KV Current Transformer

Dismantling of 110KV Current Transformer

Dismantling of 220KV Lightning Arresters

Dismantling of 110KV Lightning Arresters

Dismantling of 33KV isolator without Earth switch

Dismantling of 33KV isolator with Earth switch

Dismantling of 33KV Current Transformer

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