MAINT OF EXTERNAL LT E/S NETWORK IN PALLANWALA MIL STN AND ITS OUT STN UNDER GE SOUTH AKHNOOR

Amount

Replacement of old damaged, steel tubular poles with new steel tubular swaged poles complete with mild steel base plate, finial taper plug, bolts, nuts and screws as specified, type-410, SP-31 (9.00 meters long), including painting with two coats of aluminium paint over one coat of zinc chrome primer after preparing the exposed surface and two coats of bitumiunous paint on embedded surfaces, complete all as specified and as directed. Note: Excavation, earth work and concrete in foundation shall be measured and paid separately under respective items of BOQ.

Replacement of old unserviceable/ damaged loop type insulator with new loop type insulator, vitreous porcelain, white, brown or green, large size, with overall dimensions 65 x 90mm, clearance of hole 16.0mm, complete all as specified and as directed

Replacement of old unserviceable/ damaged LT XLPE cable with new XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross-sectional area 25.0 Sqmm, 4-core, laid in trenches or passing through pipes, including suitable lugs and accessories for making connections at both ends, complete all as specified and as directed

Replacement of old unserviceable/ damaged LT XLPE cable with new XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross-sectional area 50.0 Sqmm, 3.5-core, laid in trenches or passing through pipes, including suitable lugs and accessories for making connections at both ends, complete all as specified and as directed

Replacement of old unserviceable/ damaged LT XLPE cable with new XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, heavy duty electric cable with aluminium conductor, 1100 Volts grade, cross-sectional area 95.0 Sqmm, 3.5-core, laid in trenches or passing through pipes, including suitable lugs and accessories for making connections at both ends, complete all as specified and as directed

S&F in replacement of old unserviceable/ damaged Change over switch with new Change over switch, on load, rating 100 Amps, four poles, 415 Volts, AC, 50 Hz, with center handle, conforms to IS:13947 (Part-3); IEC:60947-2, complete all as specified and as directed.

S&F in replacement of old unserviceable/ damaged Change over switch with new Change over switch, on load, rating 200 Amps, four poles, 415 Volts, AC, 50 Hz, with center handle, conforms to IS:13947 (Part-3); IEC:60947-2, complete all as specified and as directed.

Replacement of old unserviceable/ damaged GI pipe with new GI pipes/ Tubes, 'light grade', galvanised, 50mm bore, ISI marked, laid in trenches or fixed to walls/ poles including mild steel clamps, nuts, bolts and washers; for protection of electric cable, complete all as specified and as directed

Replacement of old unserviceable/ damaged GI pipe with new GI pipes/ Tubes, 'light grade', galvanised, 40mm bore, ISI marked, laid in trenches or fixed to walls/ poles including mild steel clamps, nuts, bolts and washers; for protection of electric cable, complete all as specified and as directed

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/ pipe or fixed to poles or any other indicated situation for loop earthing etc. as required, aluminium strip 25 x 3.0mm with saddles and fixing, complete all as specified and as directed.

M&L for carryout Physical check and amd Electrical testing of transformer as per following criteria by approved firm as per following details all as directed. (a) Check Oil level, colour of oil, oil leaking, oil temperature. (b) Check Breather with silica gel, tape position and noise level. (c) Status of HT/LT connection, tightening the connections, check load in each phase and load balancing if required (d) Insulation test of HT/LT to earth, HV resistance and BDV of oil. (e) Tightening of earth connection and refixing loose earth conductor with clamps & clips.

Replacement of old unserviceable/ damaged MCCB with new MCCB, four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 160 Amps with breaking capacity 36 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed.

Disconnecting electrical connections from HT and LT sides of old serviceable/ damaged/ burnt step down transformers of any descriptions, capacity exceeding 63 KVA, any type and taking down from the platforms or mounted on exisiting position (four poles/ two pole structure) by hydraulic cranes of suitable capacity and transporting by truck/ lorry to the workshop, opening top cover, draining out the transformer oil in clean barrels, cleaning of sludge from oil tank and conservator tank, cleaning and polishing of tapping contact point, opening carefully copper wire/ strip wound LT coils and rewinding the same after providing new necessary insulating packing material by using the same old strip/ wire, refitting top cover with replacement of studs, nuts, bolts, washers and gasket after repairs/ replacement of unserviceable parts and cleaning the transformer and making the transformer absolutely leak proof, pouring in the insulating oil in the transformer, placing in original position on four pole/ two pole structure/ platform at site and making all HT/LT connections including testing the transformer after necessary repairs, complete all as specified and as directed. Note: Spares required for repair/ replacement of unserviceable parts shall be measured and paid separately under relevant items of BOQ.

Description all as serial item No- 14 here-in-before but for transformer of capacity exceeding 100 KVA

Description all as serial item No- 14 here-in-before but for transformer of capacity exceeding 200 KVA

Replacement of old unserviceable/ damaged core with new core, mild steel, of existing specifications, shape and sizes including cuting and fixing, suitable for transformers of any type and capacity, complete all as specified and as directed

Supply and fixing in replacement of HT coil of transformer capacity 63 KVA, made of super enameled copper winding wire/ strip of existing insulation, gauge and specifications, complete all as specified and as directed. Note: HT coil shall have same number of turns of winding wire and with matching to manufacturer design.

Supply and fixing in replacement of HT coil of transformer capacity 100 KVA, made of super enameled copper winding wire/ strip of existing insulation, gauge and specifications, complete all as specified and as directed Note: HT coil shall have same number of turns of winding wire and with matching to manufacturer design.

Replacement of old unserviceable/ damaged HT bushing assembly with new HT bushing assembly (Set of three) with insulated brass stud including nuts, bolts and washers, suitable for transformer of any type, capacity 63 KVA, complete all as specified and as directed

Description all as serial item No- 20 here-in-before but for transformer of capacity 100 KVA.

Description all as serial item No- 20 here-in-before but for transformer of capacity 200 KVA.

Replacement of old unserviceable/ damaged LT bushing assembly with new LT bushing assembly (Set of Four) with insulated brass stud including nuts, bolts and washers, suitable for transformer of any type, capacity 63 KVA, complete all as specified and as directed.

Description all as serial item No- 23 here-in-before but for transformer of capacity 100 KVA.

Description all as serial item No- 23 here-in-before but for transformer of capacity 200 KVA.

Replacement of old unserviceable/ damaged cork sheet gasket with new cork sheet gasket, suitable for transformer of any type, capacity 63 KVA, complete all as specified and as directed.

Description all as serial item No- 26 here-in-before but for transformer of capacity 100 KVA.

Description all as serial item No- 26 here-in-before but for transformer of capacity 200 KVA.

Replacement of old unserviceable/ damaged tap changing assembly with new tap changing assembly, off load, on HT winding to vary the voltage ±7.5%, in steps of 2.50%, including necessary connection, HT winding, re-insulation for complete functioning of tap changer, transformer capacity 63 KVA, complete all as specified and as directed.

Description all as serial item No- 29 here-in-before but for transformer of capacity 100 KVA.

Description all as serial item No- 29 here-in-before but for transformer of capacity 200 KVA.

Replacement of old unserviceable/ damaged air breather assembly with new air breather assembly with silica gel suitable for 11/0.433 KV transformer including nuts, bolts and washers, suitable for transformer 63 KVA, complete all as specified and as directed.

Description all as serial item No- 33 here-in-before but for transformer of capacity 100 KVA.

Description all as serial item No- 33 here-in-before but for transformer of capacity 200 KVA.

Supply only fresh transformer oil to top-up and filling in the existing transformer, di-electric strength not than 45 KV, meeting Bureau of Indian Standards: IS 335-1993 (Reaffirmed-2005) specification, examined in a 100mm thick layer at 270°C, clear, transparent and free from all type of suspended matter or sediment, complete all as specified and as directed. Make: IOCL/ HPCL/ BPCL/ Reliance.

Preparation of old, external surface of transformers capacity 63 KVA, by removing the scrap, rust, washing including cleaning and spray painting with two coats of synthetic enamel paint including numbering MES No in white colour synthetic enamel paint, at site or at workshop, complete all as specified and as directed

Description all as serial item No- 37 here-in-before but for transformer of capacity 100 KVA.

Description all as serial item No- 37 here-in-before but for transformer of capacity 200 KVA.

Disconnecting electric connections of servo voltage stabilizers, capacity 30 KVA, draining out the servo voltage stabilizers oil in clean barrels for re-use, cleaning of sludge from oil tank and transporting to workshop for repairs and return back to it's original position after repairs including loading and unloading by mechenical means, complete all as specified and as directed Note: Spares required for repair/ replacement of unserviceable parts shall be measured and paid separately under relevant items of BOQ.

Description all as serial item No- 40 here-in-before but for servo voltage stabilizers of capacity exceeding 75 KVA but not exceeding 100 KVA capacity.

Description all as serial item No- 40 here-in-before but for servo voltage stabilizers of capacity 200 KVA capacity.

Replacement of old unserviceable Printed Circuit Board (PCB) with new Printed Circuit Board (PCB) of voltage stabilizer as per existing make and type, capacity 30 KVA, complete all as specified and as directed

Description all as serial item No- 43 here-in-before but for servo voltage stabilizers of capacity exceeding 75 KVA but not exceeding 100 KVA capacity.

Description all as serial item No- 43 here-in-before but for servo voltage stabilizers of 100 KVA capacity.

Replacement of old unserviceable carbon bushes with new carbon bushes of voltage stabilizer as per existing make and type, capacity 30 KVA, complete all as specified and as directed

Description all as serial item No- 46 here-in-before but for servo voltage stabilizers of capacity exceeding 75 KVA but not exceeding 100 KVA capacity.

Description all as serial item No- 46 here-in-before but for servo voltage stabilizers of 200 KVA capacity.

Replacement of old unserviceable servo motor with new servo motor of voltage stabilizer as per existing make and type, capacity 30 KVA, complete all as specified and as directed

Description all as serial item No- 49 here-in-before but for servo voltage stabilizers of capacity exceeding 75 KVA but not exceeding 100 KVA capacity.

Description all as serial item No- 49 here-in-before but for servo voltage stabilizers of 200 KVA capacity.

Push button suitable for servo voltage stabilizers of any capacity, as per existing design and range, fixing in repairs, complete all as specified and as directed

Digital voltmeter, range 0-500 Volts, size 96mm x 96mm, flush type, complete all as specified and as directed

Digital ammeter, range 0-250 Amps, size 96mm x 96mm, square shape, complete all as specified and as directed

Replacement of old unserviceable Servo Dimmer Booster Coil with new Servo Dimmer Booster Coil, for automatic voltage corrections, make, type and design as per site requirement, suitable for voltage stabilizer capacity 30 KVA, complete all as specified and as directed

Description all as serial item No- 56 here-in-before but for transformer of capacity exceeding 75 KVA but not exceeding 100 KVA capacity.

Description all as serial item No- 56 here-in-before but for transformer of capacity 200 KVA.

Replacement of old unserviceable Dimmer Gear set with new cast iron Dimmer Gear set, for automatic voltage corrections, make, type and design as per site requirement, suitable for voltage stabilizer capacity 30 KVA, complete all as specified and as directed

Description all as serial item No- 59 here-in-before but for transformer of capacity exceeding 75 KVA but not exceeding 100 KVA capacity.

Description all as serial item No- 59 here-in-before but for transformer of capacity 200 KVA.

M&L for Gang operated Isolating Switch 11 KV Triple pole vertical type, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 400 amps, 15 insulators, including drop out fuse assembly as specified and directed.

Lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp for 11 KV.complete all as specified and as directed

Earthing complete with galvanised iron earth plate electrode 60cm x 60cm x 6 mm buried directly in ground (earth pit not less than 2.25mtr deep below ground level) with top edge of earth plate not less than 1.5mtr below normal ground level, connected with galvanised iron strip, size 32 x 6mm as earth lead, by means of bolts, nuts, check nuts and washers of galvanized iron or steel and provision of charcoal dust and common salt packed all around the earth plate including necessary excavation and earth work in any type of soil and testing complete as specified and directed and shown in electrical plate number 5 of MES SSR part-I (1991).

M/S JIWAN SINGH (BID ID -3498225)