Providing additional 1X10MVA, 110/11kV power transformer along with switchgears at existing 110/11kV Diggewadi substation in Raibag taluk, Belagavi district, Including supply of equipments / materials, erection, civil works, testing and commissioning on Partial Turn Key Basis-A1 Power Transformer 1 POWER TRANSFORMER : Power Transformer 10 MVA,110/11 kV Delta / Star, Dyn11, 3 Ph, 50 Hz, Core type winding with OLTC, RTCC panel, etc., complete first filling of Transil oil with 10% spare oil with Terminal connectors suitable for Drake ACSR on 110 kV side and AAAC Moose/2 nos of 50 x 8 mm copper flat for each phase from LV side of Transformer to cable at 11 kV cable terminating structure with suitable support insulator on LV side of Transformer and 2 Nos of 50mm X 8mm copper flats from neutral terminal to earthmat through NCT along with necessary support pin insulators.(35 MT) Note: The Transformer will be supplied by the KPTCL. The bidder has to quoted for complete scope of erection of Power Transformer including moving th Transformer from the point of unloadin to he point of erection, assembling the complete Transfromer, filling the oil, filteration of oil using filter set of the bidder to achieve the required insulation value to I.E specifications, wiring of Transformer and assisting in Testing and commissioning etc., complete. 1 Supply of Transformer including Testing and Commissioning. 2 Moving of Transformer to the plinth (35MT-50Mtrs = 1750 MT-Mtrs) 3 Erection of Transformer (Including Assemblying, Filling of Oil, Filtration of Oil etc., complete as per scope of work).(35MT) 4 Wiring & Assisting in Testing and Commissioning. 1 Nitrogen Injection fire extinguishing system-supplying, erection & including civil Engineering works, soak pit etc., as per the recommendaion of the supplier of the fire lighting system for Power Transformer below100 MVA A2 Circuit Breaker: CIRCUIT BREAKER : SF-6 circuit breakers with semi pneumatic / pneumatic operated / Spring type operating mechanism, including mounting structure with rigid, bi-metallic terminal connector suitable for Drake ACSR and mounting structure. 110 kV, 1250 A, 40 kA SF6 CB 1 For 110 kV Transformer A3 ISOLATORS : ISOLATORS : Isolators including marshalling box and suitable terminal connectors ,as required as per technical specification with solid core cylindrical post insulators I 110 kV, 1250 A, 40 KA class double break manually operated isolator with terminal connectors suitable for Drake ACSR 1 Upright mounting type without Earth switch LPH 4600mm. II 11 kV Isolators 1 11 kV isolator, double break 800 A, 25 KA capacity with rigid bi-metallic terminal connector suitable for Drake ACSR for incomer 2 11 kV isolator, double break 400 A, 25 KA capacity with rigid bi-metallic terminal connector suitable for Coyote ACSR for outgoing feeders & capacitor Bank 3 11 kV isolator, single break 400 A, 25 KA capacity with Roaster switch, with rigid bimetallic terminal connector suitable for coyote ACSR. A4 Current Transformer CURRENT TRANSFORMER : Current transformers including marshalling boxes, Single phase,oil filled outdoor type with rigid bimetallic terminal connectors suitable for Drake ACSR conductor 1 110 kV class, 40 KA, CT of ratio 200 - 100/ 1-1-1A for TransformersCore - 1 : Vk-400 V, Rct 2 ohm at 200/1A, Accuracy class PS-Dist/Dif Core- 2 : 10 VA, Accuracy class 0.2s- MeteringCore - 3 : 30 VA, Accuracy class 5P20-Back up 2 11 kV class, 25 KA, NCT of ratio 1200-800/1-1A for REFR protection (similar rating and ratio as that of incomer of 11 kV Switchgear) with terminal connector suitable for 2 nos of 50 X8 mm Copper flats Note:-1)All the CTs in each kV class shall be of one and the same make for interchangeability & reliability of performance.2)The make and characteristics of 11kV NCT should be the same as that of the incomer CT of 11kV switchgear. To ensure this, the 11kV NCT should be procured from the supplier of 11kV switchgear only. A5 VoltageTransformer VOLTAGE TRANSFORMER : Single phase, oil filled outdoor type with rigid bimetallic terminal connectors suitable for Drake ACSR with marshalling box KIOSK as per technical specifications A5 Surge Arrestors SURGE ARRESTOR : (Porcelain housing) metal oxide, Gapless type with rigid bimetallic connectors suitable for Drake ACSR 1 96 kV, 10 KA, class - III, Metal oxide type-For Transformer 2 9 kV, 10 KA with connector and clamp A6 Capacitor bank 1 Design, Engineering, supply, erection, testing & commissioning of 2.9 MVAR, 12.1 kV Capacitor Bank, star connected, Double Bank with internal fuses, terminal connectors with suitable neutral CT and station class LAs, 0.2% series reactor on neutral side with mounting structures for NCT, Capacitor Bank, station class LAs, Series reactor etc,. complete as per specification A7 Control and Relay Panel complete I Control & Protection Panels Simplex type: 1 For 110/11 kV Transformer Note: 1. All the C&R panels and the associated panels shall be of one and the same make for uniformity and interchangability of components.2. The accuracy class of metering core of CTs & VTs & ETV meter of C&R panels shall be 0.2s accuracy class irrespective of what has been indicated elsewhere in the bidding document.3. The Electronic Trivector meter of 0.2s accuracy class with ABT & TOD features, DLMS protocol energy meter has to be provided. A8 Station structures : 11kV side (LV side of transformer) 1 33 kV Station towers (verticals 3T1) 1 with out peak with bolted type foundation.(0.599 MT per tower) 2 3B1 of 33kV beam suitable for 10.4 Mtrs bay width (0.419 MT per tower) 3 3B1 of 33kV beam suitable for 6.0 Mtrs bay width (0.242 MT per tower) 4 11kV ODS structure: Columns out of 9.5 Mtr long RCC pole for 300kgs working load (using TOR steel ) for 11kV ODS 5 1B1 beam suitable for 7.45 Mtrs bay width (0.071 MT per tower) 6 1B2 beam suitable for 4.0 Mtrs bay width (0.038 MT per tower) 7 Supplying & erection of Double pole structure with 9.5 Mts. RCC poles WL 300 Kgs for mounting 11 kV 400 A Roaster Isolators and 9 kV, 10 KA surge arrestor (3 No.) complete set . 8 Supply & Erection of RCC Pole 9.5 Mtr long 300 Kg WL in a pit of 2.0 Mtr depth for Yard Light A9 MOUNTING STRUCTURES : 1 110 kV Isolators (0.752 MT per structure) 2 Current transformer 110 kV (0.158 MT per structure) 3 NCTs ( 11 KV) (0.157 MT per structure) 4 Lightening arrestors 110 kV (0.116 MT per structure) 5 Pedestal insulators 110 kV for bus (0.14 MT per structure) 6 For High pedestal insulators for 110 kV side. (0.15 MT per structure) A10 BUS BAR FORMATION : 1 Drake ACSR 2 Coyote ACSR 3 Formation of Main/Cross bus with single Drake 4 Formation of Main/Cross bus with single Coyote A11 INSULATORS : 1 Post insulator Solid core Insulator 110 kV, 1 Unit/stack A12 DISC INSULATORS WITH HARDWARES : 1 Single Tension string 90 KN, 3 units of each along with Bolted Type Tension Clamp and hardware suitable for Drake ACSR.( on LV side of Transformer road crossing) 2 Single Tension string 90 KN, 2 units of each along with Bolted Type Tension Clamp and hardware suitable for Drake ACSR.( 11 kV Side) 3 Single Tension string 90 KN, 1 units of each along with Bolted Type Tension Clamp and hardware suitable for Coyote ACSR.( 11 kV Side) 4 Single Suspension string 90 KN, 3 units of each along with hardware suitable for Drake ACSR.( on LV side of Transformer) 5 Single Suspension string 90 KN, 2 units of each along with hardware suitable for Drake ACSR.( 11 kV). 7 Single Suspension string 90 KN, 1 units of each along with hardware suitable for Coyote ACSR.( 11 kV). A13 HARDWARES : 1 C type wedge connector suitable for Drake -Drake 2 C type wedge connector suitable for Coyote-Coyote 3 C type wedge connector suitable for Drake -Coyote 4 Post Insulator clamp suitable for Single Drake ACSR and 110 kV Solid Core Insulator A14 AC Distribution box (outdoor) Single front type with 6 terminals 1200 x 1350 x 300 mm one I/C of 100 A MCCB 20 KA+ 6 O/G 16 A MCB +1 O/G of 100 A HRC Fuse panel 415 V outdoor type A15 DC Distribution panel (Indoor type) as per Technical specification comprising of Earth fault indicator, Indication circuit for AC main failure, 1 No. 100A SFU for IC + 12 Nos., 32A SFU for OG etc., complete as per technical specification. A16 LT Power armoured UG cable as per specification 1 1.1kV grade PVC Insulated Copper cables 4c x 25 Sq.mm A17 1.1 kV Grade PVC Insulated armoured copper control cables of sizes,with Lugs/Ferrules/Gland as per technical specifications 1 19C x 2.5 Sq.mm 2 4C x 6 Sq.mm 3 4C x 2.5 Sq.mm 4 2C x 6 Sq.mm 5 2C x 2.5 Sq.mm A18 11kV Switchgear 1 11 kV, 350 MVA, Porcelain clad VCB switchgear (1250 A for incomer & 800A for feeders) outdoor type, each comprising of 1IC+6F+1CB+1AP (remote announciation cum control panel )with CTs & PTs etc., complete as per technical specification.(SCADA Compatible)Note: 1. The switchgear for capacitor bank shall have necessary over voltage / under voltage / circulating current relays & other protection relays as per specification )2. The remote announciation cum control panel is simplex type.3. The electronic trivector meters with ABT & TOD features, DLMS protocol energy meter has to be provided. A19 MISCELLANOUS ITEMS 1 Rubber mats 1000 mm x 1000 mm x 10 mm size suitable for 1.1 kV class. A20 Materials for new bay integration to existing SCADA panel 1 Multi Functional Transducer (MFT) 0.2S class including labour (market rate) 2 Opto Coupler (220 or 110V DC) including labour (market rate) 3 Current Cables-Copper Core with c/s 4.0 sq.mm Multistrand 4 Core 4 Voltage Cables-Copper Core with c/s 2.5 sq.mm Multistrand 4 Core 5 Signal Cables-armoured Copper Core with c/s 0.5 sq.mm Multi strand 10 Core 6 Control Cables- Copper Core with c/s 1.5 sq.mm Multi strand 10 Core Note : 1) Satellite Communication required will be arranged by SLDC. 2) The detailed BOM & specification of SCADA equipment shall be obtained from SEE-SCADA A21 Earth Mat formation : 1 Supplying and laying MS.Flat 50 x 6 mm flat welding and applying ACB paint to welded portion as per drawing/standard if required (all other materials to be supplied by contractor) 2 Grounding of equipments with 50 x 6 mm G I flat and connecting equipments to the earth mat/ground pit including all connected works with all materials supplied by the contractor. 3 Providing 25mm dia, 1.05mtr. long Earthmat Spike of MS Rod including bending top 50 mm etc 4 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) 5 Supplying and fixing 450mm dia x 450mm height 1.5 to 2 Hume pipe collars for earth pits.
