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| 1 | NEW POWER TRANSFORMER & TRANSFORMER BAY |
| 2 | POWER TRANSFORMER : 66/11 KV; 10 MVA; 3- phase Star/delta with onload tap changer oil filled transformer with automatic maintenance-free type dehydrating breather, accessories for protection and indication,first filling of oil complete with neutral C.T. and all standard devices and fittings |
| 3 | POWER TRANSFORMER : 66/11 KV; 7.5 MVA; 3- phase Star/delta with onload tap changer oil filled transformer with automatic maintenance-free type dehydrating breather, accessories for protection and indication,first filling of oil complete with neutral C.T. and all standard devices and fittings |
| 4 | CIRCUIT BREAKER : SF6, outdoor type, 72.5 KV, 800 A , 13.1 KArated short circuit complete with operating mechanism and first filling of SF6 gas with GI supporting structure |
| 5 | CURRENT TRANSFORMER: 72.5 KV, 13.1 kA, outdoor type, single Phase, 3 core current transformer having ratio 400-300-200/1 - 1-1 and of accuracy class and burden of 30 VA with first tilling of oil and complete with terminal connectors |
| 6 | ISOLATOR with Earthing Blades : 72.5 kV, 800 amps rated current 12.5 kA short time rating, triple pole, gang operated outdoor type with motor operated mechanism, terminal connectors, earthing connector with earthing blades / switch |
| 7 | ISOLATOR with out Earthing Blades : 72.5 kV, 800 amps rated current 12.5 kA short time rating, triple pole, gang operated outdoor type with motor operated mechanism, terminal connectors, earthing connector without earthing blades / switch |
| 8 | LIGHTNING ARRESTOR: 60 kV Lightning arrestor, station type,complete with insulating base and surge monitors & connector terminals connection. |
| 9 | CONTROL & RELAY PANEL :66 kV simplex type control and relay panel for Transformer with static 3 O/C + E/F; trip circuit supervision, master trip relays, digital recording and indicating instruments, alarm; TTB, AC/DC failure indication; mimic, panel illumination etc. with solid state duo bias transformer differential relay and energy metering , SCADA compatible |
| 10 | CONTROL CABLES: 1.1 kV grade heavy duty PVC insulated sheathed copper conductor armoured cable of size: |
| 11 | 12 x 1.5 sq. mm |
| 12 | 2 x 2.5 sq. mm |
| 13 | 4 x 1.5 sq. mm |
| 14 | 8 x 1.5 sq.mm |
| 15 | POWER CABLE: 11 KV , Aluminium conductor, XLPE insulsted, Insulation semiconductering and copper tape screened, PVC sheathed (ST-2 pvc), galvanised steel strip armoured, PVC outer sheathed (ST-2 PVC)conferming to IS:7098, 3x 400 sqmm |
| 16 | Heat shrinkable outdoortermination kit for 11 kV, XLPE/Al, screneed, armoured cable ; 3x 400 sqmm |
| 17 | Heat shrinkable indoortermination kit for 11 kV, XLPE/Al, screneed, armoured cable ; 3x 400 sqmm |
| 18 | Transformer baySwitchyard Support Structures (MS Lattice Structures with B&N) complete withACSRWolf Conductor busbars, 66 kV Disc Insulator 70 KN with hardware fittings and Tension Clamps for Wolf ,66 KV Post Insulators with accessories and UPG Clamps for wolf andPainting Matarials for structures (Red oxide& Aluminium Paint), complete as per approved layout drawing |
| 19 | Transformer bay earthing system includingEarth Mat as per approved design complying with IS : 3043 |
| 20 | Lighting system for transformer bay including LED floodlighting35W 6000K with waterproof fixture incl all accessories (08 Nos), 8 m Street Lighting G.I Poles, 2x6 sqmm 1000 V grade PVC/PVC copper cables, termination lungs, GI Conduits 20 mm and LT AC Panel for switchyard Lighting with light sensor / solenoid switch |
| 21 | GI Support Structures for Circuit Breaker, Current Transformers (set), Lighting Arrestors (Set) and Isolators at Transformer Bay |
| 22 | REVAMPING OF EXISTING 66/11 kV POWER TRANSFORMER (Capacity Upto 10 MVA) |
| 23 | Transformer Oil 50KV grade Conforming to IS: 335/93 |
| 24 | Automatic maintenance-free type dehydrating breather including moisture sensor, heating element, controller and all accessories with with silica gel |
| 25 | Main oil tank and other gaskets ,leak repair sealants, cleaning materials andnecessary replacement devices including pressure relief valve, mercury switch and accessories for revamping power transformer |
| 26 | 11 kV SWITCHGEAR AND CABLES |
| 27 | 11 KV Switchgear Panelcomprising800 Amp indoor RT-DAS / SCADA compatible communication enabled VCB Panels with Vaccum Circuit Breaker (horizontal isolation andhorizontal draw out type), motorized with spring charging operating mechanism, complete with CTs & PTs, protective relays,trip closing coils, NO+NC auxiliary contacts, anti pumping devices, mechanical counters and mechanicalposition indicator, control wiring,digital multifunction power meter,analog voltage and current measurement , indication lamps, class 0.5s Digital Energy Meter and all accessoriesfor : |
| 28 | Incomer Feeder Panel |
| 29 | Bus Coupler Panels |
| 30 | Outgoing Feeder Panel |
| 31 | 11 KV (E) Stranded compact circular aluminium conductor screened with extruded semiconductering compound, XLPE insulsted, Insulation screened with extruded semiconductering compound in combination with copper tape, cores laid up, PVC sheathed (ST-2 pvc), galvanised steel strip armoured, and overall PVC sheathed (ST-2 PVC) BLACK CABLE conferming to IS:7098latest amendments; |
| 32 | 3 x 300 sqmm |
| 33 | 3 x 240 sqmm |
| 34 | 3 x 185 sqmm |
| 35 | Heat shrinkable Indoor type end termination kit for 11 KV (E) 3 Core XLPE cable including screen and armour earth kits, lugs and all accessories for cable size; |
| 36 | 3 x 300 sqmm |
| 37 | 3 x 240 sqmm |
| 38 | 3 x 185 sqmm |
| 39 | Heat shrinkable outdoor type end termination kit for 11 KV (E) 3 Core XLPE cable including screen and armour earth kits, lugs and all accessories for cable size; |
| 40 | 3 x 300 sqmm |
| 41 | 3 x 240 sqmm |
| 42 | 3 x 185 sqmm |
| 43 | 11kV Tee-Off system (Feeder Termination Structues) |
| 44 | 9 m Long Steel Lattice Structure fabricated with 50 x 50 x 6 mm M.S. angles and10 mm dia MS rodsincludingbolts, nuts and washersas per specifications and drawing complete. |
| 45 | G.I .channel 75X40X 4.8 mm X2.2 m long |
| 46 | Back clamps of 50x50x6 mm x 300 mm length G.I Angle for holdingchannel |
| 47 | G.I nuts & bolts of 16mm dia.X 40mm length. |
| 48 | 11 KV, 3 Pole 400 A, Gang Operated Air Break Switch Unit, tilting type, three insulator per phase, complete with operating handle, all fittings confirming to IS:9920 & IS: 9921 |
| 49 | 11 KV, 3 Pole, 400 A Drop Out Fuse Cutout Unit with fuse links rated as applicable complete with all accessories confirming to IS: 9385 |
| 50 | 9 KV, 10 KA Single pole unit Metal Oxide Gapless Surge Arrestor with earth lead disconnector for 11 KV, 50 c/s solidly earthed neutral system confirming to IS:3070 (Part III) R |
| 51 | 11 KV Polymeric Tension Insulator, 45 KN with Clamps, Nuts & Bolts and Tension Hardware |
| 52 | 11 KV Pin Insulator (Polymer) with G.I Pin & fittings as required |
| 53 | Earthing: 25 x 3 mm G.I. Flat x 10 m with perforated G.I. pipe of 19mm dia x 95 cm. and 38 mm dia x 250 cm combination with Reducer, Funnel and Cover Arrangement and Salt (80 Kgs) & Charcoal (3 bags) Combination for earth pit |
| 54 | Guy Assembly complete with 7/10 SWG Stay Wire, 140x85 mm H.T Guy Insulator, 18mm diameter Stay Rod 1.8 mtrs Long with bow thimble, turn buckle & 300x300x6mm anchor plate |
| 55 | 110 mm dia HDPE pipe, PE-100 material grade, PN 10, SDR 17, wall thickness 6.6 mm for cable riser on terminal structure |
| 56 | GI Clamps for fixing 11 kV Cables / HDPE Pipe on Channels with GI bolts and nuts |
| 57 | G.I. Barbed Wire for anti climbing device @ 2 kgs/pole |
| 58 | 11 kV Caution Board |
| 59 | Red oxide paint @ 1.5 ltr/ pole (9 mtr) |
| 60 | Aluminium paint @ 1.0 ltr / pole (9 mtr) |
| 61 | SUB-STATION AUXILIARIES AND SITE WORKS |
| 62 | Battery Bank : Drytype (VRLA) maint free battery packs of capacity 200 AH 55 nos x 2 volt with terminal voltage of 110 volt complete with all accessories as required. |
| 63 | Battery charger set having facility for both trickle and boost charging complete with necessary protection and other instruments 110V |
| 64 | Fire fighting Equipments: PORTABLE FIRE EXTINGUISHERS conforming to IS 2190: 1992 |
| 65 | 4.5 Kg DCP Type |
| 66 | 4.5 Kg CO2 Type |
| 67 | 22.5 Kg CO2 type |
| 68 | 12 Fire buckets with stand |
| 69 | ACDB: 415V ACDB totally enclosed metal clad type complete with copper bus bar, cable socket, 400A MCCB for incoming andrequired MCB of 32ADP, 64A FPfor outgoingto 66KV & 11KV CR panels incontrol room. |
| 70 | DCDB: 110V DCDB totally enclosed metal clad type complete with copper bus bar, cable socket, 200A MCCB for incoming and required MCB of 32ADP, 64A FPfor outgoingto 66KV & 11KV CR panel incontrol |
| 71 | Sub-Station Earthing materials including earth rods, strips, connectors, couplings for Inspection, testing and restoring exisitngearthing system for Incomer, Outgoing feeders bays , existing power transformers bays including all earthing connections to existing earthmat |
