E TENDER FOR SUPPLY, ERECTION, TESTING and COMMISSIONING OF HT GEARS TO CONVERT FROM 22KV TO 11KV FOR AVAILING HT SUPPLY TO TIDEL NEO MINI IT PARK AT MEELAVITTAN II VILLAGE, THOOTHUKUDI TALUK and DISTRICT

Amount

Supply erection , testing and commissioning of 1250 KVA 22KV/ 11KV Double wound with class”A” Insulation ON load Tap Changing copper wound outdoor type Step Down Transformer conforming to relevant Transformer - IS: 2026 - 2011 standard and fitted with the following a)HV cable end box suitable for Connection 3 core 300 Sq mm 22 KV , XLPE HT cable b) LV cable end box suitable for connection 3 core 3 240c Sq mm XLPE HT cable c)Conservator with shut off valve d) Conservator drain plug valve e) Dehydration silicagel breather f) Expansion vent g) 4Nos plain rollers H) Thermometer pocket with dial type thermometer with capillary tubing with maximum reading position i) Drain plug/ valve ) Filter valve j) Oil filling hole and cap k) Oil level gauge. No of OLTC tap-17 Nos l) two body earthing terminals m) Rating and terminal marking plate n) Lifting hooks / lifting eyes ,jacking pad to facilitate movement of transformer and easy handling 1No(Each) OFF load hand operated tap changing switch at standing height from ground level o) Type of Tap changer primary winding for voltage and variation OLTC +10% TO -10% IN STEPS OF 1.25% Neutral on LV side to be available for 4 wire. supply and brought out thought bushing for earthing q)Air release device p) Buchholz relay & OTI & WTI q)OLTC with RTCC Panel r) All other tests like type tests & special tests is required ( Voltech /IPL )/ESSENAR /eq

Additional Work: 1. charges for civil work and un movable for the transformer wheel arrest for AI Frame work with fixing on the transformer 150mm x50 mm channel provided. 2. Transport charges and Transist insurance 2% 3. Erection, testing and commissioning charges with test report .

Supply Erection ,testing and commissioning of 22 KV, 25KA, 800 Amps HT OUTDOOR SINGLE PANEL VACCUM CIRCUIT BREAKER For Consumer POS With 22 KV, 10kA Polymer Type Surge Arrester. Horizontal Draw Out VCB fitted with Manual / Motor Operated spring charging mechanism with 230V AC Motor & Motor Control Switch, Mechanical ON / OFF indicator Operation Counter, Automatic safety shutters & push Shunt trip Coil, 110V DC. Closing Coil, 110V DC. Spare auxiliary contact, 6NO + 6NC. Anti pumping Feature, 110V DC. Power pack 230V-110V AC / 110V DC Potential Transformer, Three Phase, Resin cast, Dry type, Fixed Potential transformer with one set of HTFS / LTFS and one no. Neutral Link of Ratio : (22KV/√3) / (110V/√3) Current Transformer, Single phase, Resin Cast, Dry Type Current Transformer, Core 1: for meter, Cl-0.5s, 5VA, Core 2: for protection, Cl-5P20, 15VA. Metering, MFM, Digital Ammeter & Digital Voltmeter With Fault Level tripping & Fault Recording. Protection, Numerical Non-directional IDMT combined 3 O/C+1 E/F relay, High speed / Master trip relay, Indication Lamps, All LED Lamps, VCB OFF/ON/Auto trip/Trip circuit healthy/Spring charge indication lamps, R,Y,B Phase Indication Lamps. Heater ON / OFF switch with filament type 200Watts space heater & thermostat , single phase switch with socket, 40W cubicle Lamp for panel illumination with snap type door limit switch, Fuses/MCBs for AC/DC control. Cable Entry In and Out should be Separate Chamber MS Sheet steel enclosure and separate Chamber for Eb Metering Accessories & installation with paint shade of RAL 7032 suitable for Indoor.

Supply and laying of 22 KV 3 Core 300 Sqmm XLPE UG cable in a trench to be excavated at a depth of 1.0 mtr. Putting 0.15 mtr. Layers of sand covering the HTUG cable completely with cement concrete RCC cable turf and refilling the earth to make good (From TNEB Pole to 22 KV Single panel VCB & (single panel VCB Outgoing to Consumer 22 KV Transformer Incoming).

Supply and laying of 11 KV 3 Core 240 Sqmm XLPE UG cable in a trench to be excavated at a depth of 1.0 mtr. Putting 0.15 mtr. Layers of sand covering the HTUG cable completely with cement concrete RCC cable turf and refilling the earth to make good (From Consumer 22 KV Transformer to 11 KV Single panel VCB ).

Supply and clamping at 11KV 3 core 240 sq.mm XLPE UG cable in Existing Trench or on wall with M.S. special clamps (From Consumer 22 KV Transformer to 11 KV Single panel VCB )

Supply and clamping at 22 KV 3 core 300 sq.mm XLPE UG cable in Existing Trench or on wall with M.S. special clamps (From TNEB Pole to 22 KV Single panel VCB & (single panel VCB Outgoing to Consumer 22 KV Transformer Incoming)

Supply and providing cable end termination suitable for 11KV 3 core 240 sq.mm XLPE HTUG cable with necessary outdoor type heat / cold shinkable joint kit and accessories. Make : (Raychem/M seal ) M-1970.

Supply and providing cable end termination suitable for 22 KV 3 core 300 sq.mm XLPE HTUG cable with necessary outdoor type heat / cold shinkable joint kit and accessories. Make : (Raychem/M seal ) M-1972

Earthing as per the ISI specification with an earth electrode of 2.10 metre ASEEL 503 101 CC 150 Pipe in Pipe of dia not less than 40mm with Tinned copper pipe ith 25 Kg of Electrodite | 25 and Terraion electrolyte 10 Kg with necessary funneling arrangements with CC Chamber & Cover 450X450 and with 60mm x 3mm Copper Clamp for the connection of Earthflat. With necessary connection. ( Make: ASHLOK Type Earth/or Equ)

Supply and run of 2” x ¼ “ Copper flat as Earth Run from the earth Pit to the HT Gears with Necessary 50mm height Insulator Arrangements.