BALANCE WORK OF PROVN OF 33 KV VOLTAGE STABILIZER ALONGWITH ACCESSORIES AND AUGMENTATION OF ELECTRIC SUPPLY UNDER GE (S) AKHNOOR

Supply, install, commissioning and testing 33 KV Auto voltage stabilizer (HT-AVR) capacity 2.50 MVA, outdoor type, copper wound, oil cooled complete with input voltage 25 KV to 35 KV and output voltage 33 KV, 3 Phase, 50 HZ, 3 wire minimum losses as per IS 2026 (Part-1)-2011 with mode of operation automatic /manual/hand control, consisting of following all accessories as per manufacturers design, :- (a) Digital Ammeter with selector switch (b) Voltmeter with selector switch for I/P & O/P (c) MCBs for control circuit (d) Lifting lugs, drain valve, oil level gauge, rating plate (e) Junction Box with WTI & OTI with trip & alarm contacts, Thermometer pocket (f) Floor wheel for uni-directional movement (g) Dehydrating silica gel breather, filter valve with plug (h) Air release plug, Dial type temperature gauge 100 mm (j) Cooling Radiator & Pressure release valve (k) PCC Foundation complete as per manufacture designed Following Accessories to be supplied alongwith HT Auto Voltage Stabilizer :- a) Name, Rating & Diagram Plate - 01 No b) ON Load Tap Changer with RTCC & AVRR - 01 No c) Earthing Terminals - 02 Nos d) Lifting Lugs - 04 Nos e) Oil Level Indicator (Flush Tube ) - 01 No f) Oil Drain Valve with Plug - 01 No g) Oil filter valve with plug - 01 No h) Conservator with oil filling hole with Cap - 01 No i) Buchholz Relay with Contracts for Alarm & Trip Contacts-01 No j) Oil Temp indicator with Alarm & Trip Contacts- 01 No k) Winding Temperature indicator with Alarm & Trip Contacts-01 No l) Marshaling Box-01 No

m) Thermometer Pocket - 01 No n) 6" Dial type thermometer Stem type & with MRP - 01 No o) Air Release plug - 01 No p) Silica gel Breather - 01 No q) Removable Inspection Opening on top cover - 01 No r) Explosion vent - 01 No s) Bi-directional CI Rollers - 04 Nos t) Arching horn set - 03 Nos Following Accessories to be supplied alongwith OLTC :- (a) Name, Rating & Diagram Plate - 01 No (b) On load tap changer - 01 No (c) Earthing Terminals - 02 Nos (d) Lifting eye bolts - 03 Nos (e) Air Release Plug - 01 No (f) Window for tap number - 01 No (g) Oil drain cum filtering valve with plug - 01 No (h) Oil filling cum filtering valve with plug - 01 No (i) Conservator with oil filling hole with Cap - 01 No (j) Silica gel Breather - 01 No (k) Removable manual crank Handle to operate OLTC - 01 No (l) Removable Inspection Opening on top cover - 01 No (m) Oil Surge relay - 01 No Note : (i). Any items leftout but which is required for proper functional point of view is deemed to be included in the quoted rate (ii). Routine test shall be conducted on HT-AVR by the manufacturer as per 2026 (Part-I) 2011. In addition HT-AVR tank shall also be tested against leakage and vacuum test in factory. (iii) The transformer manufactureer's in house testing lab must be NABL accredited as certain test results. (iv) Transformer drawing shall be got approved by Accepting Officer/representative/GE before placing of order.

Supply, install, commissioning and testing of HT VCB 33 KV 400 Amps, 50 HZ, 3 Phase, 50 HZ, 3 wire minimum losses as per IS 2026 (Part-1)-2011 with mode of operation automatic /manual/hand control outdoor type metal clad construction type, spring closing & tripping mechanism, 350 MVA, tripping coil voltage 30 v DC, short circuit time 1 sec, insulation level 75 KV peak with controls & relays as under & all as specified comprising of following :- (a) Manually charged spring closing mechanism. (i) Motorised spring charging & closing mechanism - 01 No (ii) Set of mechanical close/ trip knobs - 01 set (iii) Mechanical ON / OFF indicator - 01 No (iv) Mechanical spring charged free indicator - 01 set (v) D.C 30 V shut trip - 01 No (b) Space heater 110 watt 02 nos 230 V with switch, thermostate-01 set. (c) Red/ green indicating lamps for circuit breaker on/off indication - 01 set. (d) Volt meter digital (0-40 KV) with selector switch - 01 No (e) Ammeter digital (0-100 A) with selector switch - 01 No (f) Micro processor based relay with local display & communication port comprising of 30/C+IE/F (50,51, 50N, 51N - 01 No (g) Master trip relay, trip ckt supervision relay. (h) All control wiring with PVC copper cable, indicating lamps & control wiring protection fuses. (j) breaker on/ Off tripping indicator lamp (k) Indicator lamp R.Y.B. for phase indication - 03 Nos (l) Power factor meter digital type - 01 No (m) Digital KWH, KVAR & KVA ( MDI ) Meter - 01 No. (n) Indicator lamp for DC ON / trip system - 01 set. (o) Aux relays for transformer protection, vis WTA, OTA, BCA, MOG, WTT, OTT, BCT (p) microprocessor based 12 window Annunciator with trip & Non trip hooters. Note for Srl item No. 1.00 & 2.00 :- Separate Control panel shall be provided at substation building for Voltage Stabilizer and VCB. Complete inter-connection wiring with suitable copper control cable as per manufacturer's design deemed to be included in the quoted item rate.

M&L Cross arms, bracings, supports, clamps and back plates, hooks etc fabricated from structural steel sections (MS channels, single sections, flat round or square bars etc of required size & shapes, including nuts, bolts, washers, welding, bending cold or hot, drilling holes for inserting bolts in any shape or size as indicated or directed and including painting (one red oxide primer coat, two coats of aluminium paint (one under coat and one finishing coat for structures and cross arms on poles), complete all as specified and directed.

S&F GOD 33 KV - 400 amp horizontal double break triple pole out door gange operated centre post rating manually operated isolator having 12.5 KA (RMS) for 3 set SC rating with 9 nos 33 KV capacity and pin type post insulator with 320 mm cleavage distance and pedestal of height of 200 mm to maintain line earth clearage of 370 mm mechanically inter locked triple pole earthing switch having in depended manually operated handle, complete with supporting structure of suitable channel, nuts & bolts etc as directed and providing with alka thin PVC pipe of dia 10 mm for jumper line connecting from GOD to transformer etc., complete all as specified and directed.

Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6mm thick burried directly in ground vertically to a depth not less than 2.25 meter below ground level with top edge of the earth plate at a depth not less than 2.25 mtr below ground level earth plate surrounded from all sides by 15cm thick packed layer of charcoal dust and common salt filling in alternate layers, all around top and bottom and electrode connection by using GI Strip 32x6 mm (upto the body of equipment) by means of bolts, nuts, check nuts and washers made of galvanised iron and thimbles. GI pipe 20mm bore light grade for watering with funnel and wire mesh including medium grade GI Pipe 40mm bore protection and 40 mm GI pipe light grade for protection of strip. PCC chamber in cement concrete 1:3:6 type C-2 and RCC pit cover in M20 (design mix) complete all as shown in Electrical Plate No.3 of MES Standard Schedule of Rates (Part-I) of 2009, complete all as specified and testing on completion (i) The unit rate shall include for protection pipe, GI water pipe, wire mesh, funnel, excavation. RCC pit cover, test point, 32mm GI strip from top of earth plate upto 7.5 above ground level and if GI protection is less than 7.5 meter, no price adjustment shall be made. (ii) If the testing result of earthing work is not been found satisfactorily then the contractor shall do other earthing work at his own cost and nothing shall be permissible on this account. (iii) Earthing work will be carried out in presence of MES representative.

M&L for Jumpers works in Breakers, GOD, insulators by using parallel grove clamp, Tee clamp Tee clamps other connectors required by using ACSR conductor any sizess (Dog/Mouse), complete all as specified and directed.

Supply, laying, jointing and testing under ground XLPE cable PVC insulated and PVC sheathed HT suitable for 33000 volt grade (heavy duty) earthed system with stranded aluminium conductor of size 400 Sqmm 3 core confirming to IS laid in trenches, in floor, in duct, through pipes or along the pole, complete all as specified and directed.

Supply, fixing, jointing and testing Cable Jointing Kit for 33 KV grade cable for outdoor type termination cold shrinkable joint complete with jointing material and accessories suitable for XLPE armoured aluminium cable of size 400 sqmm 3 core, complete all as specified and directed.

Supply and laying PVC insulated PVC sheathed cable galvanized steel strip or wire armoured, electric control cables (Heavy duty) with stranded Copper conductor of size 4.0 sq mm 4 core 1100 Volts grade, complete all as specified and directed.