AUGMENTATION OF 132 BY 33 KV GSS MAGAM FROM 100MVA TO 130 MVA AND OTHER ALLIED ELECTRICAL AND CIVIL WORKS

Amount

(A) SUPPLY:- Design, Manufacture, Supply, Packaging & Forwarding, Transportation, Delivery at site of equipments and materials.

Power Transformer

Design, Engineering, Manufacture, supply and Assembly of 3-Phase, 132/33 KV 80 MVA, Power Transformer Complete with all fittings and accessories required for efficient and trouble free operations of Transformer, Testing at Manufacture’s works and Customer’s Premises, Supply, Loading at Factory, Transportation and Delivery at site with OLTC, RTCC, SCADA Compatable, NIFPES with its all accessories & Spares , HV and LV Connectors, Turret based NCTs and other required accessories and fittings ( complete Unit) including all the mandatory spares i.e 1. HV Bush =01 no 2. LV Bush =01 no. 3. HV Bushing Clamps =02 No. 4. LV Bushing Clamps =02 No. 5. Buckholz Relay =01 No 6. 3-Ph. Tr. Cooling Fan =02 No 7. 10A, 110V DC,2P MCB=06No 8. Phase Failure UV/OV Relay =2No 9. 32A, 3 Ph, 240VAC Coil Voltage with Add-on Contactor=03 No 10. Rotary Cam-Switch for Cooling Fans 3Way= 02 No. 12. Butter fly values = 02 No. 13. WTI meter = 01 No. 14. Pressure Relief Value = 01 No. 15. Silica Gel Cubicle = 01 No.

Structures

Fabrication, galvanisation, supply including packing and forwarding, transportation charges of 132 kV & 33 kV structures (each type)

Galvanised Nuts & Bolts of sizes

Main Equipments

Isolators

145 kV, 50 c/s, 2000 Amps, 31.5 kA for one second, AC Motor Operated horizontal double break, outdoor type 3 pole isolators with all accessories,clamps, auxiliaries, marshalling boxes, other essentials, complete in all respects as specified in the technical specification without earthing blades.

Current Transformers

Single phase, 50 c/s, 145kV 5-core Current Transformers (900-600-300/1-1-1-1A 31.5A for 1 sec rated dynamic current 100kA(peak), class A insulation, Burden 20 VA including first fill of transformer oil plus 10% etc and all accessories , auxiliaries etc complete in all respects.

Single phase, 50 c/s, 36 kV Current Transformers (1600-800-400 /1-1-1 A) , 25kA for 1 sec, rated dynamic current 25kA(peak), class A insulation, Burden 20 VA inlcluding first fill of transformer oil plus 10% etc and all accessories , auxiliaries etc complete in all respects.

Circuit breakers

33KV VCB (36 KV, 1600 Amps of 3 phase, 50 c/s and 25KA for 3 sec) outdoor type with all accessories and auxiliaries

1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable for DC supply complete as per specification.

8 core, 2.5 sq mm

4 core, 6.00 sq mm

(B) HANDLING, STORAGE, PRESERVATION, ERECTION / INSTALLATION, DEHYDRATION, TESTING AND COMMISSIONING OF EQUIPMENTS AND MATERIAL (EXCEPT CIVIL WORKS)

Power Transformer

Handling, Erection/Installation ,Dehydration, Assembly, testing and commissioninig of 3-Phase, 132/33 KV 80 MVA, Power Transformer Complete with all fittings and accessories required for efficient and trouble free operations of Transformer at site.

Structures

Handling, Erection, Assembly and commissioninig of 132 kV & 33 kV structures (each type)

Galvanised Nuts & Bolts of sizes

Main Equipments

Isolators

Handling, Erection/Installation , Assembly, testing and commissioninig 145 kV, 50 c/s, 2000 Amps, 31.5 kA for one second, AC Motor Operated horizontal double break, outdoor type 3 pole isolators with all accessories,clamps, auxiliaries, marshalling boxes, other essentials, complete in all respects as specified in the technical specification without earthing blades.

Current Transformers

Handling, Erection/Installation ,Dehydration, Assembly, testing and commissioninig Single phase, 50 c/s, 145kV 5-core Current Transformers (900-600-300/1-1-1-1A 31.5A for 1 sec rated dynamic current 100kA(peak), class A insulation, Burden 20 VA including first fill of transformer oil plus 10% etc and all accessories , auxiliaries etc complete in all respects.

Handling, Erection/Installation ,Dehydration, Assembly, testing and commissioninig Single phase, 50 c/s, 36 kV Current Transformers (1600-800-400 /1-1-1 A) , 25kA for 1 sec, rated dynamic current 25kA(peak), class A insulation, Burden 20 VA inlcluding first fill of transformer oil plus 10% etc and all accessories , auxiliaries etc complete in all respects.

Circuit breakers

Handling, Erection/Installation , Assembly, testing and commissioninig 33KV VCB (36 KV, 1600 Amps of 3 phase, 50 c/s and 25KA for 3 sec) outdoor type with all accessories and auxiliaries

1100 V, PVC insulated, PVC sheathed, FRLS, galvanised steel wire/ strip armoured stranded copper conductor control cable for DC supply complete as per specification.

Handling, Erection,Laying, Assembly, testing and commissioninig 8 core, 2.5 sq mm

Handling, Erection ,Laying, Assembly, testing and commissioninig 4 core, 6.00 sq mm

(C) Dismantling of various old equipments spared after erection and commissioning of new equipments, their safe handling, Including provision for temporary charging of existing 50 MVA dismantled Transformer to avoid any interruptions in power supply, dragging, loading at site, its transportation (excluding transportation of 50 MVA power Transformer), unloading either at divisional / site store or as per the instructions of Engineer incharge.

50 MVA 132/33 KV Power transformer including its all accessories and oil ( oil to be shifted in separate barrels for easy transportation including its temporary charging to avoid interruptions in power supply or as per the directions of Engineer In-charge) complete job.

145KV isolator with all accessories.

145kV Current Transformers and its all accessories , auxiliaries etc complete in all respects.

36 kV Current Transformers and its all accessories , auxiliaries etc complete in all respects.

33KV VCB with all its accessories and auxiliaries

8 core, 2.5 sq mm old/used/laid

4 core, 6.00 sq mm old/used/laid

(D) Dismantling of existing 50 MVA power Transformer Foundation.

Demolishing RCC work of existing Tr.Foundation manually/by mechanical means including stacking of steel bars and disposal of unserviceable material within a lead of 50 mtrs as per the instructions of Site-Engineer.

Demolishing Plane cement concrete including stone soling of existing Tr.Foundation manually/by mechanical means including stacking of steel bars and disposal of unserviceable material within a lead of 50mtrs as per the instructions of Site-Engineer.

Extra for cutting reinforcement bars manually/by mechanically in R.c.c as per the instructions of Site-Engineer.

(E) Civil Works including Design, Geo-Technical Soil Investigation, Supply, Execution/Laying of 80 MVA Power Transformer foundation and prepration of drawings.

(D) LAYING OF 80 MVA POWER TRANSFORMER FOUNDATION ( COMPLETE JOB).

Excavation in all type of soils including mixed soils (i.e. soils containing pebbles/boulders etc.) for any section including all labour, POL, hire charges of equipments and T&Ps etc. including sheeting & shoring, dewatering, lifting, handling and stock piling of excavated materials, back filling with excavated or borrowed earth and disposal of surplus excavated earth as directed for all leads & lifts complete as per specification, construction drawings and direction of Engineer-in-charge.

Plain cement concrete of specified grade and strength conforming to IS: 456 placed as sub-base under structural concrete or as shown in approved construction drawings at all levels including cost of all materials, labour, hire charges of equipments and T&P, POL, shuttering etc complete for handling, transportation, batching, mixing, placing, vibrating, compacting, leveling, curing etc. as per specification, construction drawings and direction of Engineer-in-charge.

Concrete of M-10 grade having cube strength of 7.5 N / mm2 with 20 mm nominal size coarse aggregate.

Concrete of M-15 grade having cube strength of 15 N / mm2 with 20 mm nominal size coarse aggregate.

Structural cement concrete ( plain/ reinforced) of specified 28 days strength (nominal size of coarse aggregate 20 mm) at all levels, including cost of all materials, labour, hire charges of equipments and T&P, POL, shuttering, curing, etc complete for handling, transportation, batching, mixing, placing, vibrating, and rendering, cleaning and finishing the exposed over ground surfaces with cement mortar 1:3 (1 cement : 3 sand) to give smooth and even surface, stub setting, fixing of foundation bolts ( as applicable) but excluding the cost of reinforcement complete as per specification, construction drawings and direction of Engineer-in-charge.

Concrete of M-20 grade having cube strength of 20 N / mm2 with 20 mm nominal size coarse aggregate.

Brick work with common burnt clay F.P.S. Bricks of class designation 75 in foundation and plinth in cement mortar 1:6.

Cement Plaster 15 mm in 1:4 Mix.

High yield strength cold deformed steel reinforcement bars conforming to IS: 1786 for R.C.C. or any other work including the cost of all materials, binding wire, labour, hire charges of equipments and T&P, bending, binding, placing and tieing in position, POL etc. complete as per specification, construction drawings and direction of Engineer-in-charges.

Supply and installation of broad gauge rails MS Rail 90 LB including fixing on RCC pedestal for transformer foundation as per drawings/design approved.

M AND COMPANY ENGINEERS AND CONTRACTORS PRIVATE LIMITED

JK Electric Engineers Pvt. Ltd.

Nucon Switchgears Private Limited