REPAIR/ MAINT OF TRANSFORMER, VOLTAGE STABILIZER, LT SWITCHES ETC CONNECTED ITEMS AND REPAIR / REPLACEMEMT OF LT OH LINES, UG CABLES, LT PANELS AND CONNECTED ITMES INCL IMPROVEMENT OF ELECTRIC DISTRIBUTION SYSTEM AT AKHNOOR UNDER GE (S) AKHNOOR

Amount

Disconnecting electrical connections from HT and LT sides of old serviceable/ damaged/ burnt step down transformers of any descriptions, capacity exceeding 25 KVA but not exceeding 100 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 by Engineer-In-Charge. 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- 1.00 here-in-before but for transformer of capacity exceeding 100 KVA but not exceeding 160 KVA.

Description all as serial item No- 1.00 here-in-before but for transformer of capacity exceeding 160 KVA but not exceeding 250 KVA.

Description all as serial item No- 1.00 here-in-before but for transformer of capacity exceeding 250 KVA but not exceeding 400 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 by Engineer-In-Charge.

Supply and fixing in replacement of HT coil of transformer capacity 25 KVA to 400 KVA, made of super enameled copper winding wire/ strip of existing insulation, gauge and specifications, complete all as specified and as directed by Engineer-In-Charge. Note: HT coil shall have same number of turns of winding wire and with matching to manufacturer design.

Supply and fixing in replacement of LT coil of transformer capacity 25 KVA to 400 KVA, made of super enameled copper winding wire/ strip of existing insulation, gauge and specifications, complete all as specified and as directed by Engineer-In-Charge. Note: LT 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 25 KVA to 100 KVA, complete all as specified and as directed by Engineer-In-Charge.

Description all as serial item No- 8.00 here-in-before but for transformer of capacity exceeding 100 KVA but not exceeding 200 KVA capacity.

Description all as serial item No- 8.00 here-in-before but for transformer of capacity exceeding 200 KVA but not exceeding 400 KVA capacity.

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 25 KVA to 100 KVA, complete all as specified and as directed by Engineer-In-Charge.

Description all as serial item No- 11.00 here-in-before but for transformer of capacity exceeding 100 KVA but not exceeding 200 KVA capacity.

Description all as serial item No- 11.00 here-in-before but for transformer of capacity exceeding 200 KVA but not exceeding 400 KVA capacity.

Replacement of old unserviceable/ damaged cork sheet gasket with new cork sheet gasket, suitable for transformer of any type, capacity 25 KVA to 100 KVA, complete all as specified and as directed by Engineer-In-Charge.

Description all as serial item No- 14.00 here-in-before but for transformer of capacity exceeding 100 KVA but not exceeding 200 KVA capacity.

Description all as serial item No- 14.00 here-in-before but for transformer of capacity exceeding 200 KVA but not exceeding 400 KVA capacity.

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 25 KVA to 100 KVA, complete all as specified and as directed by Engineer-In-Charge.

Description all as serial item No- 17.00 here-in-before but for transformer of capacity exceeding 100 KVA but not exceeding 200 KVA capacity.

Description all as serial item No- 17.00 here-in-before but for transformer of capacity exceeding 200 KVA but not exceeding 400 KVA capacity.

Dehydration and filtration of transformer oil after draining out oil from transformer by the dehydration machine at site or nearby transformer workshop to achieve di-electric strength 40 KV at 4mm gap, complete all as specified and as directed by Engineer-In-Charge. Note: (i) Cost of transportation of dehydration machine and other required materials and tools, plants shall be deemed to be included in the quoted rates. (ii) Test certificate of di-electric strength shall be produce before and after dehydradation and filtration process.

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 25 KVA to 100 KVA, complete all as specified and as directed by Engineer-In-Charge.

Description all as serial item No- 21.00 here-in-before but for transformer of capacity exceeding 100 KVA but not exceeding 200 KVA capacity.

Description all as serial item No- 21.00 here-in-before but for transformer of capacity exceeding 200 KVA but not exceeding 400 KVA capacity.

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 by Engineer-In-Charge. Make: IOCL/ HPCL/ BPCL/ Reliance.

Preparation of old, external surface of transformers capacity 25 KVA to 100 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 by Engineer-In-Charge.

Description all as serial item No- 25.00 here-in-before but for transformer of capacity exceeding 100 KVA but not exceeding 200 KVA capacity.

Description all as serial item No- 25.00 here-in-before but for transformer of capacity exceeding 200 KVA but not exceeding 400 KVA capacity.

Disconnecting electric connections of servo voltage stabilizers, capacity 15 KVA to 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 and fixing it to its original position, complete all as specified and as directed by Engineer-In-Charge. 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- 28.00 here-in-before but for servo voltage stabilizers of capacity exceeding 30 KVA but not exceeding 60 KVA capacity.

Description all as serial item No- 28.00 here-in-before but for servo voltage stabilizers of capacity exceeding 60 KVA but not exceeding 100 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 15 KVA to 30 KVA, complete all as specified and as directed by Engineer-In-Charge.

Description all as serial item No- 31.00 here-in-before but for servo voltage stabilizers of capacity exceeding 30 KVA but not exceeding 60 KVA capacity.

Description all as serial item No- 31.00 here-in-before but for servo voltage stabilizers of capacity exceeding 60 KVA but not exceeding 100 KVA capacity.

Replacement of old unserviceable carbon bushes with new carbon bushes of voltage stabilizer as per existing make and type, capacity 15 KVA to 30 KVA, complete all as specified and as directed by Engineer-In-Charge.

Description all as serial item No- 34.00 here-in-before but for servo voltage stabilizers of capacity exceeding 30 KVA but not exceeding 60 KVA capacity.

Description all as serial item No- 34.00 here-in-before but for servo voltage stabilizers of capacity exceeding 60 KVA but not exceeding 100 KVA capacity.

Replacement of old unserviceable servo motor with new servo motor of voltage stabilizer as per existing make and type, capacity 15 KVA to 30 KVA, complete all as specified and as directed by Engineer-In-Charge.

Description all as serial item No- 37.00 here-in-before but for servo voltage stabilizers of capacity exceeding 30 KVA but not exceeding 60 KVA capacity.

Description all as serial item No- 37.00 here-in-before but for servo voltage stabilizers of capacity exceeding 60 KVA but not exceeding 100 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 by Engineer-In-Charge.

Digital voltmeter, range 0-500 Volts, size 96mmx96mm, flush type, complete all as specified and as directed by Engineer-In-Charge.

Digital ammeter, range 0-100 Amps, size 96mmx96mm, square shape, complete all as specified and as directed by Engineer-In-Charge.

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 15 KVA to 30 KVA, complete all as specified and as directed by Engineer-In-Charge.

Description all as serial item No- 44.00 here-in-before but for transformer of capacity exceeding 30 KVA but not exceeding 60 KVA capacity.

Description all as serial item No- 44.00 here-in-before but for transformer of capacity exceeding 60 KVA but not exceeding 100 KVA capacity.

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 15 KVA to 30 KVA, complete all as specified and as directed by Engineer-In-Charge.

Description all as serial item No- 47.00 here-in-before but for transformer of capacity exceeding 30 KVA but not exceeding 60 KVA capacity.

Description all as serial item No- 47.00 here-in-before but for transformer of capacity exceeding 60 KVA but not exceeding 100 KVA capacity.

Material & labour for earthing complete with galvanised cast iron earth plate electrode of size 600x600x6.3mm thick buried directly in ground less than 3.0m deep below normal ground level as earth electrode with top edge of the earth plate not less than 2.25mtr below ground level using GI strip 32x6 mm dia as earth continuity conductor connected to earth plate by means of welding, GI thimbles, nuts, bolts & washers all as directed including providing earth wire protection pipe of GI tubing light grade 40mm dia from earth plate to main switch board/panel, watering pipe 20mm dia with wire mesh and funnel at top, earth pit and RCC pit cover with handle of angle iron frame of size 40 x 40 x 6mm in PCC 1:3:6 adequate quantity of charcoal dust and salt and kalmi shore all around the earth plate, earth work in any type of soil remaining surplus excavated material all as required at site and specified in EP No 3 of SSR part I 2009 or directed by Engineer-in-charge and incl testing on completion. NOTE :- (i) Item of earthing includes cost of 7.5 m long GI strip of size 32x6mm with protection pipe of 40mm dia GI medium grade, any variation in length shall be adjusted through deviation order based on SSR rates reduced by (-40)%. (ii) On testing after completion of earthing if the desired earth resistance is not obtained earthing will be re-done by the contractor at his own risk and cost.

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 25x3.0mm with saddles and fixing, complete all as specified and as directed by Engineer-In-Charge.

Disconnecting all electric connections from alternator and fuel connection from engine, decoupling of engine and alternator, strip opening of diesel driven diesel generator of capacity 30 KVA to 63 KVA, for repair, and complete for carrying out the overhauling after de-assembling the engine assembly, cleaning/ washing the engine block and other spare parts, replacing defective spare parts with new spare parts as required for smooth functioning of diesel engine and strip opening of alternator for repair by replacement of old defective spare parts including any type of metaling, welding, grinding, lath machine work required at site/ workshop to compete the repair the engine, all as required at site, re-assembling the engine in existing position complete and testing on completion all as specified and as directed by Engineer-In-Charge.Make: Serial No- Note: (a) New spare parts will be measured and paid separately as supply only under the respective items. (b) Cost of cleaning, welding, minor repair and special tools and plants required for dismantling engine will deemed to be included in quoted rate. (c) Transportation cost of diesel engine/ alternator to workshop shall deemed included in quoted rate.

Description all as per serial item No- 52.00 here-in-before but for engine of diesel driven diesel generator of capacity 100 KVA to 125 KVA.

Supply only following new spare parts required for repair of diesel engine and alternator of DG Set capacity 30 KVA to 63 KVA :-

(i) Piston with piston pin, connecting rod and lock assembly complete.

(ii) Cylinder liner with liner ring assembly complete.

(iii) Piston ring set.

(iv) Major overhauling gasket set with 'O' ring set.

(v) Head valve inlet and exhaust.

(vi) Main Oil seal (Front and Rear).

(vii) Hose pipe with clips and joint set.

(viii) Fuel Filter.

(ix) Oil Filter.

(x) Air Filter.

(xi) Solinoid Switch

Supply only following new spare parts required for repair of diesel engine and alternator of DG Set capacity 100 KVA to 125 KVA :-

(i) Piston with piston pin, connecting rod and lock assembly complete.

(ii) Cylinder liner with liner ring assembly complete.

(iii) Piston ring set.

(iv) Major overhauling gasket set with 'O' ring set.

(v) Head valve inlet and exhaust.

(vi) Main Oil seal (Front and Rear).

(vii) Hose pipe with clips and joint set.

(viii) Fuel Filter.

(ix) Oil Filter.

(x) Air Filter.

(xi) Water Pump Assembly.

(xii)Solinoid Switch

De-assembling/ taking out radiator of DG set capacity 110 KVA, for cleaning and repair, using ‘K’ oil and radiator cleaning solution hydro-chloric acid by pressure of pump/ caustic soda with wire brush and necessary welding/ brazing of water tubes/ fins, whichever is required for cleaning and repairing, complete all as specified and as directed by Engineer-In-Charge.

De-assembling/ taking out radiator of DG set capacity 30 to 63 KVA, for cleaning and repair, using ‘K’ oil and radiator cleaning solution hydro-chloric acid by pressure of pump/ caustic soda with wire brush and necessary welding/ brazing of water tubes/ fins, whichever is required for cleaning and repairing, complete all as specified and as directed by Engineer-In-Charge.

Supply and fixing in replacement of stator/ field coil of alternator of DG set of any capacities, made of super enameled copper winding wire of existing insulation, gauge and specifications, complete all as specified and as directed by Engineer-In-Charge. Note: Stator/ field coil shall have same number of turns of winding wire and with matching to manufacturer design/ specifications.

Disconnecting all electric connections between alternator and panel, decoupling of engine and alternator, strip opening of alternator of diesel driven diesel generator of capacity 30 KVA to 63 KVA, for repair, and complete for carrying out the overhauling after de-assembling the alternator assembly, cleaning/ washing the block and other spare parts, replacing defective spare parts with new spare parts as required for smooth functioning of diesel engine, repair alternator by replacement of old defective spare parts including any type of metaling, welding, grinding, lath machine work required at site/ workshop to compete the repair the engine/ alternator, all as required at site, re-assembling the engine in existing position complete and testing on completion all as specified and as directed by Engineer-In-Charge.Make: Serial No- Note: (a) New spare parts will be measured and paid separately as supply only under the respective items. (b) Cost of cleaning, welding, minor repair and special tools and plants required for dismantling engine will deemed to be included in quoted rate. (c) Transportation cost of diesel engine/ alternator to workshop shall deemed included in quoted rate.

Supply only following new spare parts required for repair of alternator of DG Set capacity 40 KVA to 63 KVA :-

(i) Slip ring assembly Bronze.

(ii) Carbon bush.

(iii) Carbon bush holder.

(iv) AVR (Automatic Voltage Rectifier/ Regulator).

(v) Alternator and diesel engine coupling set.

Repair, calibration, checking and pressure testing of fuel injector pump assembly of DG set capacity 30 KVA to 63 KVA including replacement of damaged/ defective parts, cups, barrel plunger and washers including transportation for workshop for repair, testing whole assembly after necessary repair and fixing in engine, complete all as specified and as directed by Engineer-In-Charge.Note: (a) New spare parts will be measured and paid separately as supply only under the respective items. (b) Cost of cleaning, welding, minor repair and special tools and plants required for dismantling and refixing with engine will deemed to be included in quoted rate.

Supply only following new spare parts required for repair of fuel injection pump (FIP) of diesel engine of DG Set capacity 30 KVA to 63 KVA :-

(i) Element for fuel injection pump.

(ii) Delivery valve for fuel injection pump.

(iii) Nozzle for fuel injection pump.

(iv) Feed pump for fuel injection pump.

(v) Bearing for fuel injection pump.

(vi) Oil seal for fuel injection pump.

(vii) Diaphram valve for fuel injection pump.

(viii) Repair kit minor for fuel injection pump.

Dismantling/ taking out old serviceable alternator charger/ dynamo capacity 12 Volts, of DG set, for repair by replacing burnt spare parts, oiling greasing to movable spare parts, and testing after repairing including re-mounting the same, complete all as specified and as directed by Engineer-In-Charge. Note: Following spare parts shall be replaced: (a) Solenoid switch. (b) Re-winding of Armature and field coil. (c) Pinion steel.

Carryout periodic maintenance/ servicing of DG set capacity 30 KVA to 63 KVA by calibration of fuel injection pump including dismantling of radiator, radiator fan, water pump assembly, air cleaner, rocker cover housing rocker, oiling and greasing to movable spare parts such as bearing etc, replacement of old defective air filter, fuel filter, oil filter, insulation cover/ asbestos rope of exhaust pipe with new and manufacturer specified air filter, fuel filter and oil filter, insulation cover/ asbestos rope of exhaust pipe tightening the screws of hose and hose pipe set, strip opening of alternator cleaning of stator and field coils, rotor assembly, AVR unit and apply one coat of varnishing using ‘H’ class varnish and complete service work as required at site, re-assembling the engine/ alternator in existing position, and testing on completion all as specified and as directed by Engineer-In-Charge. Note: (a) New spare parts will be measured and paid separately as supply only under the respective items. (b) Cost of grease, filters (fuel, oil and air), AC/ insulating rope, cleaning, welding, minor repair and special tools and plants required for dismantling engine will deemed to be included in quoted rate.

Description all as serial item No- 64.00 here-in-before but for DG set of 100 KVA to 125 KVA capacity.

Supply only engine oil/ lubricant, 20 W 40 grade, suitable for diesel engine of DG set of any capacity and any make, complete all as specified and as directed by Engineer-In-Charge.

Supply only coolant fluid suitable for radiator of DG sets of any capacity and any make, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged battery with new storage cell lead acid type 12 Volts, 180 AH including lead terminals and copper thimble, copper nuts, bolts for making necessary connections, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged battery with new storage cell lead acid type 12 Volts, 150 AH including lead terminals and copper thimble for making necessary connections, complete all as specified and as directed by Engineer-In-Charge.

S&F in replacement of old unserviceable/ damaged Change over switch with new Change over switch, in sheet metal enclosures ON LOAD, rating 100 Amps, four poles, 415 Volts, AC, 50 Hz, with center handle, conforms to IS:13947 (Part-3); IEC:60947-2, with stain less steel enclouser complete all as specified and as directed by Engineer-In-Charge. Make: Indo-Asian cat part No- ICAS0100 or equivalent in L&T/ Legrand/ ABB/ Siemens.

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. Make: Schneider cat part No- LV516343 or equivalent in L&T/ Legrand/ ABB/ Siemens.

Supply only copper lead cable 2.0mtrs long, multi-stranded, with copper thimble for making necessary connections at both ends, suitable for 12/ 24 Volts, 180 AH battery including copper lugs, nuts, bolts and washers, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable belts with new belts of DG set of following capacities:

Fan belt for DG sets of 30 KVA capacity.

Fan belt for DG sets of 40 KVA to 63 KVA capacity.

Material and labour in replacement of Silica gel of good quality

Material and labour for carryout Physical check amd Electrical testing of transformer as per following criteria by approved firm as per following details all as directed by Engr-in-Charge. (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.

S&F in replacement of old unserviceable/ damaged Change over switch with new Change over switch in sheet metal enclosures, ON LOAD, rating 200 Amps, four poles, 415 Volts, AC, 50 Hz, with center handle, conforms to IS:13947 (Part-3); IEC:60947-2, with stain less steel enclouser complete all as specified and as directed by Engineer-In-Charge. Make: Indo-Asian cat part No- ICAS0200 or equivalent in L&T/ Legrand/ ABB/ Siemens.

Excavation in trenches, not exceeding 1.50 mtr wide and not exceeding 1.50mtr in depth; not exceeding 10 Sqm on plan and getting out, in any type of soil, for laying electric cables or foundation of poles/ stays etc, complete all as specified and as directed by Engineer-In-Charge.

Excavation in trenches, not exceeding 1.50 mtr wide and exceeding 1.50mtr but not exceeding 3.0mtrs in depth, not exceeding 10 Sqm on plan and getting out, in any type of soil, for laying electric cables or foundation of poles/ stays etc, complete all as specified and as directed by Engineer-In-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25Cm, complete all as specified and directed by Engineer-In-Charge.

Removing excavated materials/ soils, not exceeding 50mtrs and depositing where directed at a level not exceeding 1.50mtrs, complete all as specified and directed by Engineer-In-Charge.

Plain cement concrete M-7.50 (1:4:8), type D-2 (using 40mm graded crushed stone aggregate), as in or as mass concrete in foundation of poles etc, complete all as specified and as directed by Engineer-In-Charge.

Plain cement concrete M-10 (1:3:6), type C-2 (using 40mm graded crushed stone aggregate), as in or as mass concrete in foundation of poles/ stays etc, complete all as specified and as directed by Engineer-In-Charge.

Plain cement concrete M-15 (1:2:4), type B-1 (using 20mm graded crushed stone aggregate), as in coping of poles including necessary form work, finish even and smooth without using extra cement, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old cracked/ damaged, concrete poles with new pre-stressed concrete pole, 9.0 metres long, cross section 102mmx172mm at top and 102mmx279mm at bottom, class 10, including painting strips in black and white colour, 300mm thick, upto 1.50mtr height, from top of PCC coping with synthetic enamel paint after preparing the surface, complete all as specified and as directed by Engineer-In-Charge. Note: Excavation, earth work and concrete in foundation shall be measured and paid separately under respective items of BOQ.

Replacement of old damaged, steel tubular poles and Supply, install and erect in true vertical position (or to be fixed in an inclined position as strut pole) steel tubular swaged welded poles complete with C.I. base plate of 6 mm thick of size 300mmx300mm, B 118 finial taper plug, pole cap, bolts, nuts and washers and screwed, pole made out of ERW MS tubing conforming to IS-2713 Part II, type 410-SP-31 ( 09 meters long) L.T. poles including drilling of holes of required size and NOs for fixing of cross arms, painting with one coat of red oxide primer and two coats of black bituminous paint for portion embeded in concrete, painting three black/red/bands at lower portion of pole each of 300mm height at 300mm spacing, painting pole No with black paint at suitable height, complete all as specified and directed and shown on drg, complete all as specified and as directed by Engineer-In-Charge. Note: Excavation, earth work and concrete in foundation shall be measured and paid separately under respective items of BOQ.

Replacement of old unserviceable/ damaged over head conductor with new over head, aluminium conductor, steel reinforced, weasel, from any type/ height of poles including proper binding with existing insulators, complete all as specified and as directed by Engineer-In-Charge. Note: Weight of ACSR or all aluminium conductors drawn for overhead lines is to be determined by measuring taut horizontal distance between centers of two adjacent poles and compounding the weight of conductors of that size and length and 3% extra added for sag, jointing, jumpers, etc.

Re-stretching only for aluminium conductor steel reinforced including earth wire, of any size and type, maintaining required sag, fixed poles of any height and type with insulators, fixed with aluminium binding wire including all required labours, tools and plants, including making all necessary connection, complete all as specified and as directed by Engineer-In-Charge.

Taking down existing unserviceable/ rusted structural steel in cross arms and replacement with new mild steel in cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one coat of red oxide primer, one under coat and one finishing coat of aluminium paint, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged pin type insulator with new pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 100mm height, 65mm dia for 1100 volts grade, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged shackle type insulator with new shackle Type, Porcelain, vitreous, white, brown or green insulator size 100mm height, 115mm dia including galvanised mild steel straps 31x5mm and insulator bolts of bolts 14mm dia, washers, nuts, for working pressure 1100 volts grade, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged stay assembly with new stay assembly, galvanised iron, complete with accessories as shown in electrical plate No-1, diameter of stay rod 20mm dia, including galvanised iron stay plate 300x300x6mm, galvanised iron thimble, 14mm dia 400mm long stay bow and galvanised iron nuts bolts, washers including loop type insulator, vitreous porcelain, white, brown or green, large size, with overall dimensions 65x90mm, clearance of hole 16.0mm, including stay wire, galvanised iron, stay wire 7/4mm stranded, complete all as specified and as directed by Engineer-In-Charge. Note: Excavation, earth work and PCC shall be measured and paid separately under relevant item of Schedule

Replacement of old unserviceable/ corrosion GI earth wire with new galvanised iron wire as in earth wire or wire guard, cradles, hexagonal/ rectangular, fabricated with galvanised steel wire of 4.0mm dia from any position, LT poles of any type and any height including binding wire, 1.60mm dia, galvanised iron, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable rubber mat with new synthetic rubber insulating mat for preventing HT shock, thickness not less than 25mm, size 2.00x1.00 mtrs, complete all as specified and as directed by Engineer-In-Charge.

Supply and fixing in replacement, 1100 Volts grade, heavy duty, multi-stranded cable, PVC insulated aluminium conductor, multi-stranded, cross sectional area 10.0 Sqmm, 2-core, served with inner sheathing of PVC tape and overall PVC sheathed in service connections , one twin core cable flat or circular, complete all as specified and as directed by Engineer-In-Charge.

Supply and fixing in replacement, 1100 Volts grade, heavy duty, multi-stranded cable, PVC insulated aluminium conductor, multi-stranded, cross sectional area 16.0 Sqmm, 2-core, served with inner sheathing of PVC tape and overall PVC sheathed in service connections, one twin core cable flat or circular, complete all as specified and as directed by Engineer-In-Charge.

Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with mild steel clamps, bolts and nuts of approved size, for LT, 20x15cm size, fixing in repairs, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged PVC separator/ spacer with new PVC separator/ spacer, polypropylene composite moulded or bolted type, including all nuts, bolts and washers, suitable for two wires on LT over head line to maintain the uniform space between the ACSR conductors, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged PVC separator/ spacer with new PVC separator/ spacer, polypropylene composite moulded or bolted type, including all nuts, bolts and washers, suitable for three wires on LT over head line to maintain the uniform space between the ACSR conductors, complete all as specified and as directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged PVC separator/ spacer with new PVC separator/ spacer, polypropylene composite moulded or bolted type, including all nuts, bolts and washers, suitable for four wires on LT over head line to maintain the uniform space between the ACSR conductors, complete all as specified and as directed by Engineer-In-Charge.

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 240.0 Sqmm, 3.50-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 by Engineer-In-Charge.

Description all as per serial item No- 139 here in before but for cross-sectional area 185.0 Sqmm, 3.50-core,.

Description all as per serial item No- 139 here in before but for cross-sectional area 120.0 Sqmm, 3.50-core,.

Description all as per serial item No-139 here in before but for cross-sectional area 95.0 Sqmm, 3.50-core,.

Description all as per serial item No- 139 here in before but for cross-sectional area 70.0 Sqmm, 3.5-core,.

Description all as per serial item No- 139 here in before but for cross-sectional area 50.0 Sqmm, 3.5-core,.

Description all as per serial item No- 139 here in before but for cross-sectional area 35.0 Sqmm, 3.5-core,.

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, 4.0-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 by Engineer-In-Charge.

Description all as per serial item No- 146 here in before but for cross-sectional area 16.0 Sqmm, 4.0-core,.

Description all as per serial item No- 146 here in before but for cross-sectional area 10.0 Sqmm, 4.0-core,.

Sand cushioning to protection of underground cables, laid 8 Cm before laying and 15 Cm after laying of cable, and punned to form an overall layer of 18 Cm thick, complete all as specified and directed by Engineer-In-Charge. Note: Punned thickness shall be measured.

Sub class ‘B’ bricks, modular size, brick covering laid dry, flat, transversally along the length of cable on sand cushioning for mechanical protection of cable, with width equal to the length of the brick, complete all as specified and directed by Engineer-In-Charge.

Replacement of old unserviceable/ damaged GI pipe with new GI pipes/ Tubes, 'light grade', galvanised, 150mm 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 by Engineer-In-Charge.

Description all as serial item No- 151 here-in-before but for 100mm bore pipe.

Description all as serial item No- 151 here-in-before but for 80mm bore pipe.

Description all as serial item No- 151 here-in-before but for 50mm bore pipe.

Earthing complete with galvanised steel earth plate electrode 60 cm x 60cmx6mm thick buried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) with top edge of plate not less than 1.5 meters below normal ground level. connecting to the GI wire 4 mm dia by means of bolls, nuts, check nuts and washers of galvanised iron and earth wire protected by provision of GI light grade pipe 15 mm bore including provision of concrete pit in PCC (1:2:4) type B-1 using 20mm graded stone aggregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM weight not less than 4 Kg/Sqm) and frame of angle iron 25x25x6mm with lugs 02 Nos and handle of 6mm dia MS bar made to shape, GI medium grade 20mm bore pipe for watering , perforated at bottom. 1.75 metre long placed on top edge of earth plate. charcoal and common salt filling with fixing arrangement, funnel wire mesh and earth work in soft soil returning filling in and removal of surplus soil to a distance not exceeding 50 meters all as per electrical plate 3 of SSR-2009 Part-I and connecting to earth test point all as specified or indicated including testing on completion. NOTE :- (i) Item of earthing includes cost of 7.5 m long GI wire of size 4 mm dia with protection pipe of 15mm dia GI medium grade, any variation in length shall be adjusted through deviation order based on SSR rates reduced by (-10)%. (ii) On testing after completion of earthing if the desired earth resistance is not obtained earthing will be re-done by the contractor at his own risk and cost.

Material & labour for earthing complete with galvanised cast iron earth plate electrode of size 600x600x6.3mm thick buried directly in ground less than 3.0m deep below normal ground level as earth electrode with top edge of the earth plate not less than 2.25mtr below ground level using GI strip 32x6 mm dia as earth continuity conductor connected to earth plate by means of welding, GI thimbles, nuts, bolts & washers all as directed including providing earth wire protection pipe of GI tubing light grade 40mm dia from earth plate to main switch board/panel, watering pipe 20mm dia with wire mesh and funnel at top, earth pit and RCC pit cover with handle of angle iron frame of size 40 x 40 x 6mm in PCC 1:3:6 adequate quantity of charcoal dust and salt and kalmi shore all around the earth plate, earth work in any type of soil remaining surplus excavated material all as required at site and specified in EP No 3 of SSR part I 2009 or directed by Engineer-in-charge and incl testing on completion. NOTE :- (i) Item of earthing includes cost of 7.5 m long GI strip of size 32x6mm with protection pipe of 40mm dia GI medium grade, any variation in length shall be adjusted through deviation order based on SSR rates reduced by (-10)%. (ii) On testing after completion of earthing if the desired earth resistance is not obtained earthing will be re-done by the contractor at his own risk and cost.

Replacement of old unserviceable/ damaged MCCB with new MCCB, Three pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 63 Amps with breaking capacity 16 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed. Make: Schneider cat part No- C11E3TM063B or equivalent in L&T/ Legrand/ ABB/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, Three pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 100 Amps with breaking capacity 16 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed. Make: Schneider cat part No- C11E3TM100B or equivalent in L&T/ Legrand/ ABB/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, Four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 125 Amps with breaking capacity 25 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed. Make: Schneider cat part No- LV516312 or equivalent in L&T/ Legrand/ ABB/ Siemens.

S&F in replacement of old unserviceable/ damaged MCCB with new MCCB, Four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 160 Amps with breaking capacity 25 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed. Make: Schneider cat part No- LV516313 or equivalent in L&T/ Legrand/ ABB/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, Four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 200 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. Make: Schneider cat part No- LV525342 or equivalent in L&T/ Legrand/ ABB/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 250 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. Make: Schneider cat part No- LV525343 or equivalent in L&T/ Legrand/ ABB/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 400 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. Make: Schneider cat part No- LV540309 or equivalent in L&T/ Legrand/ ABB/ Siemens.

Replacement of old unserviceable/ damaged MCCB with new MCCB, Four pole, 415 Volts, adjustable thermal and adjustable magnetic setting, 630 Amps with breaking capacity 50 KA, having indicating lamp, Ics=100% and Icu as per IEC 60947-2, complete all as specified and as directed. Make: Schneider cat part No- LV563319 or equivalent in L&T/ Legrand/ ABB/ Siemens.

Triming/ cutting of tree branches upto three meter all round. The HT / LT over head line, removing cut branches from site not more than 50 mtr, making surface even with all necessary T&P adn menpower distance all as specified. Note:- Necessary permission will be obtained from department by contractor one day prior to trimming in perticular area and shutdown of that area shall be arranged by the Department.

Cleaning away/ cutting of all grass vegetation, saplings, shrubs, creepers, brushwood, undergrowth, roots and trees not exceeding 30cm girth (measured one metre above ground level) around the LT panels, transformers, and removing rubbish outside the periphery of cantonmant area, complete all as specified and as directed by Engineer-In-Charge.

Preparation of surfaces of old painted pre-stressed concrete LT poles of any size, any section, cleaning the surface with mild steel wire brush and painting pole with one coat of black and white synthetic enamel paint in alternate strips, 30 cm thick each, up to 1.50 mtrs height from the top of coping including marking pole Nos with synthetic enamel paint, in uniform size black colour paint on circle with yellow paint, complete all as specified and as directed by Engineer-In-Charge.

Preparation of surfaces of old painted steel tubular swaged poles LT poles of any size, any section, cleaning the surface with mild steel wire brush and painting pole with one coat of black and white synthetic enamel paint in alternate strips, 30 cm thick each, up to 1.50 mtrs height from the top of coping including marking pole Nos with synthetic enamel paint, in uniform size black colour paint on circle with yellow paint, including aluminium colour painting to cross arms, bracing, clamps, nuts, bolts etc complete all as specified and as directed by Engineer-In-Charge

Preparation of surfaces of old painted steel tubular swaged poles LT poles of any size, any section, of two pole structure, cleaning the surface with mild steel wire brush and painting pole with one coat of black and white synthetic enamel paint in alternate strips, 30 cm thick each, up to 1.50 mtrs height from the top of coping including marking pole Nos with synthetic enamel paint, in uniform size black colour paint on circle with yellow paint, including aluminium colour painting to cross arms, bracing, clamps, nuts, bolts etc complete all as directed by Engineer-In-Charge.

Preparation of surfaces of old painted steel tubular swaged poles HT poles of any size, any section, of two pole structure, cleaning the surface with mild steel wire brush and painting pole with one coat of black and white synthetic enamel paint in alternate strips, 30 cm thick each, up to 1.50 mtrs height from the top of coping including marking pole Nos with synthetic enamel paint, in uniform size black colour paint on circle with yellow paint, including aluminium colour painting to cross arms, bracing, clamps, nuts, bolts etc complete all as directed by Engineer-In-Charge.

Preparation of surfaces of old painted PCC poles LT poles of any size, any section, of four pole structure, cleaning the surface with mild steel wire brush and painting pole with one coat of black and white synthetic enamel paint in alternate strips, 30 cm thick each, up to 1.50 mtrs height from the top of coping including marking pole Nos with synthetic enamel paint, in uniform size black colour paint on circle with yellow paint, including aluminium colour painting to cross arms, bracing, clamps, nuts, bolts etc complete all as directed by Engineer-In-Charge.

Amount of Schedule of credit of for Rs 5,66,670.00 shall be deducted from quoted amount.

sahni construction co

M/S CJ CONSTRUCTIONS