Augmentation of 2x100MVA, 220/66/11kv Power Transformers by 2x150MVA, 220/66 KV Power Transformers at 220/66 kV Anchepalya Substation in Kunigal Taluk, Tumkur District., on Total Turnkey basis including Supply of all Materials/ equipments, Mandatory Spares, Erection (Including dismantling and Civil Works) of all materials/equipments, Testing and Commissioning

150 MVA, 220/66/11 kV Power Transformer :

3 Ph, 50 Hz, Core type, 3 winding Transformer Star/Star/Delta, Vector Group: YNyn0d11, OLTC, Bushing CT for Tertiary of ratio 1515/1A, 5P20, 15VA, ONAN/ONAF/...

SF6 gas circuit breaker with pneumatic spring type operating mechanism, with capacity trip device, including mounting structures, arrangements with rigid, bimetallic terminal connectors complete sui...

b. 66 kV, 40 kA class, SF-6 Circuit Breaker with terminal connector suitable for Al. tube/conductor with spring/semi-pneumatic/pneumatic type operating mechanism and mounting structure etc., as per te...

ISOLATORS : Isolators and Terminal connectors etc., as per Technical specification including solid core cylindrical post insulators and marshalling box.Terminal connectors for isolators shall be as fo...

Upright Mounting type without earth Switch

ii. Live Point Height 4250mm

iii Under hung mounting type without Earth switch

CURRENT TRANSFORMERS: Oil filled Current Transformers with rigid terminal connector suitable for double Drake ACSR conductor etc., as per technical specifications: ( for Transformer HV, Transformer LV...

b. 66KV, 31.5kA CT of Ratio 1600-1000/1-1-1A (Including CT marshalling box) ( 6 Nos of 66KV CTs for 150MVA Trs+ 3 Nos of 66KV bus coupler )

For Metering: Accuracy 0.2S, Burden 10VA

For Backup: 5P20...

Fabrication, galvanising and supply of Mild Steel

of Station structures , Mounting Structures (excluding Bolts & nuts)-Total Weight

Supply of galvanised Bolts & Nuts for Station structures , Mounting Structures -Total Weight

PVC insulated Copper Control Cable with Lugs / Ferrules. 1.1 KV class. Size of cable:

1. 19 Core 2.5 Sq.mm. Copper Control Cables

(As per KPTCL SR 23-24 Pg 40 sl.No.13.16 )

Erection: (As per KPT...

4 Core 2.5 Sq.mm Copper Control Cables

(As per KPTCL SR 23-24 Pg 40 sl.No.13.6 ) Erection: (As per KPTCL SR 23-24 Pg 120 sl.No.22.b)

4 Core 4.0 Sq.mm. Copper Control Cables

(As per KPTCL SR 23-24 Pg 40 sl.No.13.7 )

Erection: (As per KPTCL SR 23-24 Pg 120 sl.No.22.b)

4 core 6Sqmm Copper Control Cables

(As per KPTCL SR 23-24 Pg 40 sl.No.13.7 )

Erection: (As per KPTCL SR 23-24 Pg 120 sl.No.22.b)

10 Core 2.5 Sq.mm. Copper Control Cables

(As per KPTCL SR 23-24 Pg 40 sl.No.13.14 Erection: (As per KPTCL SR 23-24 Pg 120 sl.No.22.b)

Nitrogen Fire Protection System(NIFPS) of Power Transformer:

Supply Erection and commissioning of Nitrogen Injection Fire Extinguishing system for 100MVA & above Power Trasformer

Drake ACSR Conductor 66kV side for 66KV Bus coupler capacity enhancement

Insulator Hardware and Clamps,

1. Bolted type tension clamps for Twin Drake ACSR conductor 90KN 16mm

Bolted type Suspension clamps for Drake ACSR conductor 90KN 16mm

Bolted type Suspension clamps for Twin Drake ACSR conductor 90KN 16mm

C Type wedge connectors Drake to Drake ACSR conductor

Spacers clamps for 220KV twin Drake ACSR Conductor

Replacement of Relays as per recommendation of RT Division

1. Numerical REF relay with IEC 61850 protocol

HV REF & LV REF for both C&R panels (Labour charges and tesing& commissioning chargesat at ma...

Numerical Non directional Backup Relay with IEC 61850 Protocol. (Labour charges and tesing& commissioning chargesat at market rate)

150 MVA, 220/66/11 kV Power Transformer :

3 Ph, 50 Hz, Core type, 3 winding Transformer Star/Star/Delta, Vector Group: YNyn0d11, OLTC, Bushing CT for Tertiary of ratio 1515/1A, 5P20, 15VA, ONAN/ONAF/...

SF6 gas circuit breaker with pneumatic spring type operating mechanism, with capacity trip device, including mounting structures, arrangements with rigid, bimetallic terminal connectors complete sui...

b.66 kV, 40 kA class, SF-6 Circuit Breaker with terminal connector suitable for Al. tube/conductor with spring/semi-pneumatic/pneumatic type operating mechanism and mounting structure etc., as per tec...

ISOLATORS : Isolators and Terminal connectors etc., as per Technical specification including solid core cylindrical post insulators and marshalling box.

I. 66KV, 2000A, 40KA Class Double Break Motor O...

Upright Mounting type without earth Switch Live Point Height 4250mm

iii Under hung mounting type without Earth switch

CURRENT TRANSFORMERS: Oil filled Current Transformers with rigid terminal connector suitable for double Drake ACSR conductor etc., as per technical specifications: ( for Transformer HV, Transformer LV...

66KV, 31.5kA CT of Ratio 1600-1000/1-1-1A (Including CT marshalling box) ( 6 Nos of 66KV CTs for 100MVA Trs+ 3 Nos of 66KV bus coupler )

For Metering: Accuracy 0.2S, Burden 10VA

For Backup: 5P20, B...

Fabrication, galvanising and supply of Mild Steel

of Station structures , Mounting Structures (excluding Bolts & nuts)-Total Weight

Supply of galvanised Bolts & Nuts for Station structures , Mounting Structures -Total Weight

19 Core 2.5 Sq.mm. Copper Control Cables

(As per KPTCL SR 23-24 Pg 40 sl.No.13.16 )

Erection: (As per KPTCL SR 23-24 Pg 120 sl.No.22.b)

4 Core 2.5 Sq.mm Copper Control Cables

(As per KPTCL SR 23-24 Pg 40 sl.No.13.6 ) Erection: (As per KPTCL SR 23-24 Pg 120 sl.No.22.b)

4 Core 4.0 Sq.mm. Copper Control Cables

(As per KPTCL SR 23-24 Pg 40 sl.No.13.7 )

Erection: (As per KPTCL SR 23-24 Pg 120 sl.No.22.b)

4 core 6Sqmm Copper Control Cables

(As per KPTCL SR 23-24 Pg 40 sl.No.13.7 )

Erection: (As per KPTCL SR 23-24 Pg 120 sl.No.22.b)

10 Core 2.5 Sq.mm. Copper Control Cables

(As per KPTCL SR 23-24 Pg 40 sl.No.13.14 Erection: (As per KPTCL SR 23-24 Pg 120 sl.No.22.b)

Main bus/cross bus (all the three phases in a segment) using Falcon/Drake/Lynx/Coyotesingle/ doub...

Replacement of Relays as per recommendation of RT Division

Numerical REF relay with IEC 61850 protocol

Retrofitting, erection, testing and commissioning of above relays.

Note: The erection and assist...

Earth Mat formation: 1. Grounding of equipments with 50X6 mm G I flat and connecting equipments to the earth mat/ground pit including all connected works with all materials supplied by the contract...

Providing C.I. Pipe of 100mm ID 13mm thick 2.75 mtr. long with 2 part GI Flat 50x6mm clamp welded allround the pipe etc., including cost of excavation (all materials supplied by contractor)

Supplying and fixing 450mm dia x 450mm height 1.5" to 2" Hume pipe collars for earth pits.

Dismantling of Existing 100MVA 220/66kV Power Transformer & Parts like Radiator, Bushings, Draining of Oil From Transformer, complete as per the Directions of Site Engineer incharge fo work. (165.24 M...

Moving of Transformer from the plinth to the loading point. (50Mtr*314MT)=15000Mt/Mtr

Releasing of existing 66Kv CTs of Ratio

(As per KPTCL SR 2023-24 Pg118 Sl.No. 15.a)

Releasing of existing 66Kv NCTs of Ratio

(As per KPTCL SR 2023-24 Pg118 Sl.No. 15.a)

Releasing of Existing 66kV 1250A 31.5kA Double Break Manually opearated Isolators

1. Upright Mounting Type without E/S with LPH:5500mm

(As per KPTCL SR 2023-24 Pg 119 Sl.No. 17.a.i)

2. Upright Mounting Type without E/S with LPH:4250mm

(As per KPTCL SR 2023-24 Pg 119 Sl.No. 17.a.i)

3.Under hung mounting type without Earth switch

(As per KPTCL SR 2023-24 Pg 119 Sl.No. 17.a.ii)

Dismantling of existing NCT and CT Structures

a. 220kV Side CT's

Releasing of 220KV Breaker

Releasing of 66KV Breaker (66kV 1250A 31.5kA SF6 breakers)

Releasing of drake bus bar of 66KV bus coupler ( Main bus and Cross bus ( all 3 phases)

Demolishing cement concrete manually/ by mechanical means including disposal of material to the appropriate disposal area as per direction of Engineer-in-charge.

Earth work excavation by manual means for drains, canals, waste weir, draft, approach channels, key trenches, foundation of Buildings & bridges and such simillar works in all kinds of soils, as per d...

Providing and laying in position Cement Concrete for levelling course for all works in foundation. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes...

Providing and laying in position Cement Concrete for all Foundation works. The granite/trap/basalt crushed graded coarse aggregates and fine aggregates as per relevant IS Codes machine mixed with supe...

Shuttering Charges :(6287.00*8%)=502.96

Shuttering Charges :(6287.00*3%)=188.61

Steel Fabrication: Supplying, fitting and placing TMT FE 550 / 550D Steel Reinforcement including cost of all materials, machinery, labour, cleaning, straightening, cutting, bending, hooking, laping/w...

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations and other similar works etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by r...

Removal of Unserviceable Soil with Disposal upto a suitable distance as directed by the Engineer incharge of work.

Mandatory Spares

Power transformer (150MVA): Oil Collecting bottle

Terminal Connector Clamps,

a. Suitable for 245kV class bushing to suit single Drake ACSR

b. Suitable for 72.5kV class bushing to suit single Drake conductor

a. Drain valve (100mm to 200mm size) suitable for 220kV class

b. Top/Bottom filter valve (50mm to 100mm size)

c. Top/Middle/Bottom Oil sampling valve with plug (15 to 25mm)

d. Header pipe valve

e. Gate/Butterfly valves of various sizes ranging from 50mm to 200mm

MOG (MWSR 2023-24, Page No:138 Item No: 5B)

Prismatic Gauge (MWSR 2023-24, Page No:138 Item No: 5B)

Tap position indicator (MWSR 2023-24, Page No:138 Item No: 4U)