Work of SETC of new bus PTs for SR Bus and replacement of old EHV equipments at Ponda SubStation

Amount

ELECTRICAL COMPONENT

COST OF MATERIAL

Supply of Single phase, 50 Hz, outdoor, IVT(Inductive Voltage Transformer) for 220 KV supply level including first fill of transformer oil plus 10% extra and all accessories, auxilliaries etc. complete in all respect.220KV IVT with ratio 220KV//110V/√3, Station type, Accuracy:0.2s/3P/3P, Core:3Nos., Burden:100VA( Min), with terminal connector suitable for Twin ACSR Zebra conductor as per design.

Supply of Single phase 50 Hz,outdoor, Current Transformer for 220 KV supply level, oil immersed, self cooling, including first fill of transformer oil plus 10% extra and all accessories, auxiliaries, etc.complete in all respects. 220KV CT shall be of ratio 1600-800/1-1-1-1-1-1 Amp, having secondary 6Nos. of cores with 1no 0.2s class for metering, 4 nos PS class & 1 no. 5P20 for protection schemes with terminal connectors suitable for twin ACSR MOOSE conductor/ 3" IPS Aluminium tubing as per design. CT's are to be installed on existing CT structures of 220KV Mapusa-Ponda-I & II (MP-I & II) bays at Ponda Substation.

Supply of Single phase 50 Hz,outdoor, Current Transformer for 220 KV supply level, oil immersed, self cooling, including first fill of transformer oil plus 10% extra and all accessories, auxiliaries, etc.complete in all respect. 220KV CT shall be of ratio 800-400-300/1-1-1-1-1-1 Amp, having secondary 6Nos. of cores with 1no 0.2s class for metering, 4 nos PS class & 1 no. 5P20 for protection schemes with terminal connectors suitable for twin ACSR Zebra /Moose conductor/ 3" IPS Aluminium tubing as per design. CT's are to be installed on existing CT structures of 220KV side of 100MVA Transformer III at Ponda Substation.

Supply of SF6 gas outdoor type Circuit Breaker 245KV, 3150Amp, 40KA, 3phase, 50Hz, complete with spring closing and driving mechanism control cubicle, terminal connectors, breaker mounting GI structure complete as per departments specifications including first filling of SF6 gas+10% extra, on exising breaker foundations.

Supply of 3 pole, 245KV, 1600 Amps, 40KA for 3 sec. Isolator, Horizontal double Break parallel mounting type, mechanically gang operated, with earthing switch, with Aluminium main blade, finger type spring less contacts made of copper-chromium-zirconium without any fasteners, Zink metalizing in bimetallic joints to prevent galvanizing corrosion, 25mm/kV brown porcelain insulators (4KN). Drive mechanism consisting of maintenance free linkages with stainless steel rod and bearings with high quality turn table bearings for reliable rotary movements with dead center interlocking capable of with-standing seismic /storm situations. Motor Operated mechanism having aluminum body with highly corrosive resistance powder coating, with terminal connector suitable for twin ACSR Zebra conductor, with retrofitting materials. Motor Voltage : 220V DC, Control Voltage: 220V DC with Interconnecting cables, Earth Switch, Supporting Structure.

Supply of Outdoor, 110KV, 50Hz, Single Phase, Copper wound, Oil emersed self cooling IVT (Inductive Voltage Transformer) having ratio of 110KV/110V/√3, Station type, Accuracy:0.2s/3P/3P, Core:3Nos., Burden:100VA( Min), complete with accessories and terminal connectors suitable for twin ACSR Zebra Conductor including first filling of oil.

Supply of Single phase 50 Hz,outdoor, Current Transformer for 110 KV supply level,oil immersed, self cooling , including first fill of transformer oil plus 10% extra and all accessories, auxiliaries, etc.complete in all respect. 110KV CT shall be of ratio 600-300-150/1-1-1-1-1-1 , having secondary 6Nos. of cores with 1no 0.2s class for metering, 4 nos PS class & 1 no. 5P20 for protection schemes with terminal connectors suitable for twin ACSR Zebra / Moose conductor/ 3" IPS Aluminium tubing as per design. CT's are to be installed on existing CT structures of 110KV side of 100MVA Transformer-III bay at Ponda Substation.

Supply of SF6 gas outdoor type Circuit Breaker 110KV, 3150Amp, 40KA, 3phase, 50Hz, complete with spring closing and driving mechanism, control cubicle, terminal connectors, breaker mounting GI structure,etc. complete as per departments specifications including first filling of SF6 gas+10% extra, on exising breaker foundations.

Supply of Hot Dipped Galvanised Fabricated Steel Structure with suitable design for 245KV Isolator, 220KV IVT, 110KV IVT, etc. complete including all structural components of the Pole, Anchor Bolts, Anchor Plate & Template complete.

Supply of ACSR 54/3.18mm AL+ 7/3.18mm dia Steel, Zebra conductor for Twin bus bar conforming to IS: 398-1982, IEC:1089-1991 BS:215-1970.

Supply of Spacers for Twin ACSR Zebra Bus Conductor with 250mm Sub Conductor spacing conforming to IS:10162.

Supply of C-wedge connectors suitable for ACSR Zebra Conductor to ACSR Zebra / Moose (as per site requirement)conforming to IS:5561.

Supply of Tee connector suitable for Quad ACSR Zebra Conductor to Twin ACSR Zebra conforming to IS:5561.

Supply of 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.

Supply of HDGI Flat Strip of size 75x8mm for HDGI Earth Grid/Mat with overlapping of minimum 3 inches, connectors etc. and duly welded & application of zinc chromate paint/galvanized spary paint wherever earth grid connectivity for 220/110KV Equipments conforming to IS3043-2018. The Earth Grid shall be buried/laid at level of existing earth mat at switchyard .

Supply of FRLS Control cables with nickel platted brass glands, terminators etc. 1.1KV grade, heavy duty, PVC sheathed, PVC insulated copper conductor cable, unarmoured conforming to IS:1554-1.

7 core X 2.5 sq mm

19 core X 2.5 sq mm

4 core X 6 sq mm

ERECTION OF MATERIALS

Erection, Testing & Commissioning of Single phase, 50 Hz, outdoor, IVT(Inductive Voltage Transformer) for 220 KV supply level including first fill of transformer oil plus 10% extra and all accessories, auxilliaries etc. complete in all respect.220KV IVT with ratio 220KV//110V/√3, Station type, Accuracy:0.2s/3P/3P, Core:3Nos., Burden:100VA( Min), with terminal connector suitable for Twin ACSR Zebra conductor as per design.

Erection, Testing & Commissioning of Single phase 50 Hz,outdoor, Current Transformer for 220 KV supply level, oil immersed, self cooling, including first fill of transformer oil plus 10% extra and all accessories, auxiliaries, etc.complete in all respect. 220KV CT shall be of ratio 1600-800/1-1-1-1-1-1 Amp, having secondary 6Nos. of cores with 1no 0.2s class for metering, 4 nos PS class & 1 no. 5P20 for protection schemes with terminal connectors suitable for twin ACSR MOOSE conductor/ 3" IPS Aluminium tubing as per design. CT's are to be installed on existing CT structures of 220KV Mapusa-Ponda-I & II (MP-I & II) bays at Ponda Substation.

Erection, Testing & Commissioning of Single phase 50 Hz,outdoor, Current Transformer for 220 KV supply level, oil immersed, self cooling, including first fill of transformer oil plus 10% extra and all accessories, auxiliaries, etc.complete in all respect. 220KV CT shall be of ratio 800-400-300/1-1-1-1-1-1 Amp, having secondary 6Nos. of cores with 1no 0.2s class for metering, 4 nos PS class & 1 no. 5P20 for protection schemes with terminal connectors suitable for twin ACSR Zebra /Moose conductor/ 3" IPS Aluminium tubing as per design. CT's are to be installed on existing CT structures of 220KV side of 100MVA Transformer III at Ponda Substation.

Erection, Testing & Commissioning of SF6 gas outdoor type Circuit Breaker 245KV, 3150Amp, 40KA, 3phase, 50Hz, complete with spring closing and driving mechanism control cubicle, terminal connectors, breaker mounting GI structure complete as per departments specifications including first filling of SF6 gas+10% extra, on existing breaker foundations.

Erection, Testing & Commissioning of 3 pole, 245KV, 1600 Amps, 40KA for 3 sec. Isolator, Horizontal double Break parallel mounting type, mechanically gang operated, with earthing switch, with Aluminium main blade, finger type spring less contacts made of copper-chromium-zirconium without any fasteners, Zink metalizing in bimetallic joints to prevent galvanizing corrosion, 25mm/kV brown porcelain insulators (4KN). Drive mechanism consisting of maintenance free linkages with stainless steel rod and bearings with high quality turn table bearings for reliable rotary movements with dead center interlocking capable of with-standing seismic /storm situations. Motor Operated mechanism having aluminum body with highly corrosive resistance powder coating, with terminal connector suitable for twin ACSR Zebra conductor, with retrofitting materials. Motor Voltage : 220V DC, Control Voltage: 220V DC with Interconnecting cables, Earth Switch, Supporting Structure.

Erection, Testing & Commissioning of Outdoor, 110KV, 50Hz, Single Phase, Copper wound, Oil emersed self cooling IVT (Inductive Voltage Transformer) having ratio of 110KV/110V/√3, Station type, Accuracy:0.2s/3P/3P, Core:3Nos., Burden:100VA( Min), complete with accessories and terminal connectors suitable for twin ACSR Zebra Conductor including first filling of oil.

Erection, Testing & Commissioning of Single phase 50 Hz,outdoor, Current Transformer for 110 KV supply level,oil immersed, self cooling , including first fill of transformer oil plus 10% extra and all accessories, auxiliaries, etc.complete in all respect. 110KV CT shall be of ratio 600-300-150/1-1-1-1-1-1 , having secondary 6Nos. of cores with 1no 0.2s class for metering, 4 nos PS class & 1 no. 5P20 for protection schemes with terminal connectors suitable for twin ACSR Zebra / Moose conductor/ 3" IPS Aluminium tubing as per design. CT's are to be installed on existing CT structures of 110KV side of 100MVA Transformer-III bay at Ponda Substation.

Erection, Testing & Commissioning of SF6 gas outdoor type Circuit Breaker 110KV, 3150Amp, 40KA, 3phase, 50Hz, complete with spring closing and driving mechanism, control cubicle, terminal connectors, breaker mounting GI structure,etc. complete as per departments specifications including first filling of SF6 gas+10% extra, on exising breaker foundations.

Erection, testing & commissioning of Hot Dipped Galvanised Fabricated Steel Structure with suitable design for 245KV Isolator, 220KV IVT, 110KV IVT, etc. complete including all structural components of the Pole, Anchor Bolts, Anchor Plate & Template complete.

Erection, Testing & Commissioning of ACSR 54/3.18mm AL+ 7/3.18mm dia Steel, Zebra conductor for Twin bus bar conforming to IS: 398-1982, IEC:1089-1991 BS:215-1970.

Erection, Testing & Commissioning of Spacers for Twin ACSR Zebra Bus Conductor with 250mm Sub Conductor spacing conforming to IS:10162.

Erection, Testing & Commissioning of C-wedge connectors suitable for ACSR Zebra Conductor to ACSR Zebra / Moose (as per site requirement)conforming to IS:5561.

Erection, Testing & Commissioning of Tee connector suitable for Quad ACSR Zebra Conductor to Twin ACSR Zebra conforming to IS:5561.

Erection, Testing & Commissioning of 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.

Erection, Testing & Commissioning of HDGI Flat Strip of size 75x8mm for HDGI Earth Grid/Mat with overlapping of minimum 3 inches, connectors etc. and duly welded & application of zinc chromate paint/galvanized spary paint wherever earth grid connectivity for 220/110KV Equipments conforming to IS3043-2018. The Earth Grid shall be buried/laid at level of existing earth mat at switchyard .

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

A) 7coreX 2.5 sq.mm

B) 19 coreX 2.5 sq.mm

C) 4 coreX 6sq.mm

Dismantaling of existing 220KV Potential Transformer and handing over to Engineer Incharge.

Dismantaling of existing 220KV Current Transformer and handing over to Engineer Incharge.

Dismantaling of existing 220KV, 3phase, 50Hz, SF6 gas outdoor type Circuit Breaker, complete with spring closing and drive mechanism control cubicle, terminal connectors, etc and handing over to Engineer Incharge.

Dismantaling of existing 110KV, 3phase, 50Hz, SF6 gas outdoor type Circuit Breaker, complete with spring closing and drive mechanism control cubicle, terminal connectors, etc and handing over to Engineer Incharge.

Dismantaling of existing 110KV Current Transformer and handing over to Engineer Incharge.

Dismantaling of existing 110KV Potential Transformer and handing over to Engineer Incharge.

CIVIL COMPONENT

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 :

i) All types of Ordinary rock including all types of laterite rock, blasting prohibited

Rubble packing with hard laterite stone under floors including watering ramming and consolidating etc. in pipeline trenches and other foundations complete.

Providing & laying cement concrete 1:3:6 (1 cement: 3 coarse sand: 6 graded granitic or basaltic stone aggrt. 20 mm. nominal size) excluding cost of centering, shuttering and finishing in:

i) All works upto plinth level

Centering & shuttering including Strutting, Propping & removal of forms for :

i) Foundations, Footings, Bases for columns

ii) Columns, Piers, Pillars, Aburments, Posts and struts (square rectangle polygon in plan)

Providing TMT steel reinforcement bars of (SAIL, TATA. VIZAG, JSW Steel Ltd.) ) (Confirming to IS 1786 of 1986) for RCC work (conforming to I.S. 1786 of 1986) including bending, binding & placing in position in all the floors along with the factory made precast concrete cover blocks of specified sizes whose compressive strength is not less than that of surrounding concrete in the structural member.

Providing and laying in position (1:11/2:3) Reinforced cement conrete excluding the cost of centering, shuttering, finishing and reinfrocement (1 cement: 1½ coarse sand:3 graded stone agg 20mm nominal size)

i) All works upto plinth level

ii) in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and structs etc. upto floor five level

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.

Providing in R.C.C. smooth finishing of the exposed surface of thickness not exceeding 6mm with cement mortar 1:3(1cement :3 fine sand) for chimney and R.C.C. Columns exposed portions.

Alligninig and fixing of template in position including dismantling as directed by the Engineer-in-Charge for all equipments stuctures, transformer , before concreting