REPAIR/MAINT AND SERVICING OF VOLTAGE STABILIZER, ISOLATION TRNSFORMER, BATTERY BANK AND ALLIED WORKS AT VARIOUS LOCATIONS OF AF STN BARRACKPORE UNDER GE (AF) BARRACKPORE

Amount

Repair / maintenance and overhauling of Servo Voltage stabilizer of capacity 75/100 KVA from existing position, open the top cover, taking out coil, overhauling the complete unit by cleaning with suitable cleaning materials and replacement of minor spares such as new gasket, fuse, diode, carbon brushs, holder, internal electrical wiring and electronic accessories and insulated properly by varnishing, greasing, CRC spraying complete all as specified and directed. Note: Spare parts shall be measured and paid separately under respective items here-in-after.

Supply only control box for 100 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only digital controller unit for 75/100 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only servo controller motor of 10 Kg torque Capacity for 75/100 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only Cummutator plug of existing size for 75/100 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only Brush Arm of existing size for 75/100 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only Slip ring of existing size for 75/100 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only PCB Card for 75/100 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only Relay for 75/ 100 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply and fix in repair Power contactor of 160 Amps , 3 Pole with 2 NO & 2 NC auxilary contact of coil rating 415 Volt, 50 Hz complete all as specified and directed.

Repair / maintenance and overhauling of Servo Voltage stabilizer of capacity 200 KVA from existing position, open the top cover, taking out coil, overhauling the complete unit by cleaning with suitable cleaning materials and replacement of minor spares such as new gasket, fuse, diode, carbon brushs, holder, internal electrical wiring and electronic accessories and insulated properly by varnishing, greasing, CRC spraying complete all as specified and directed. Note: Spare parts shall be measured and paid separately under respective items here-in-after.

Supply only digital controller unit for 200 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only servo controller motor of 15 Kg torque Capacity for 200 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only Cummutator plug of existing size for 200 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only Brush Arm of existing size for 200 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only Slip ring of existing size for 200 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only PCB Card for 200 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only Relay for 200 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Repair / maintenance and overhauling of Servo Voltage stabilizer of capacity 300 KVA from existing position, open the top cover, taking out coil, overhauling the complete unit by cleaning with suitable cleaning materials and replacement of minor spares such as new gasket, fuse, diode, carbon brushs, holder, internal electrical wiring and electronic accessories and insulated properly by varnishing, greasing, CRC spraying complete all as specified and directed. Note: Spare parts shall be measured and paid separately under respective items here-in-after.

Supply only digital controller unit for 300 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only servo controller motor of 20 Kg torque Capacity for 300 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only Cummutator plug of existing size for 300 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only Brush Arm of existing size for 300 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only Slip ring of existing size for 300 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only PCB Card for 300 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply only Relay for 300 KVA Servo Voltage Stabilizer, complete all as specified and directed.

Supply and fix in repair Power contactor of 400 Amps, 3 Pole with 2 NO & 2 NC auxilary contact of coil rating 415 Volt, 50 Hz, complete all as specified and directed.

Supply of new transformer oil for topping up complete all as specified and directed. Note: Transformer oil shall be brought in manufacturer sealed drum at site.

Material and labour for dehydrartion of transformer oil complete all as specified and directed. Note:- Rate to be quoted will be inclusive of transportation of dehydration machine at various location where transformer installed.

Repair / maintenance / overhauling and rewinding of Isolation Transformer of capacity 10 -15 KVA, three phase from existing position, open the outer cover, taking out coil, overhauling the complete unit by cleaning with suitable cleaning materials and replacement of minor spares such as fuse, diode, carbon brushs, holder, internal electrical wiring and electronic accessories and insulated properly by varnishing, greasing, CRC spraying complete all as specified and directed.

Repair / maintenance / overhauling and rewinding of Isolation Transformer of capacity 50 -75 KVA, three phase from existing position, open the outer cover, taking out coil, overhauling the complete unit by cleaning with suitable cleaning materials and replacement of minor spares such as fuse, diode, carbon brushs, holder, internal electrical wiring and electronic accessories and insulated properly by varnishing, greasing, CRC spraying complete all as specified and directed.

Material and labour for complete disconnecting of APFC panel from all incoming/outgoing connection of any capacity, checking the serviceability of all components i.e existing capacitors, contactors, MCB's, MCCB, indicator lights, power factor controller, replacement of burnt out PVC insulated copper wire, copper thimble, MCB's SPN C Series (6-25Amp), re-connect the same after throughly clean ,fixed the spare parts and testing complete all as specified and directed. Note:- Spare parts as required shall be measured & paid separately under respective items here-in-after.

Supply only heavy duty resin filled capacitor 440 volt, 3 phase 50 Hz of capacity 5 KVAR complete all as specified and directed.

Supply only heavy duty resin filled capacitor 440 volt, 3 phase 50 Hz of capacity 7.5 KVAR complete all as specified and directed.

Supply only heavy duty resin filled capacitor 440 volt, 3 phase 50 Hz of capacity 10 KVARcomplete all as specified and directed.

Supply only heavy duty resin filled capacitor 440 volt, 3 phase 50 Hz of capacity 12.5 KVAR complete all as specified and directed.

Supply only heavy duty resin filled capacitor 440 volt, 3 phase 50 Hz of capacity 15 KVAR complete all as specified and directed.

Supply only heavy duty resin filled capacitor 440 volt, 3 phase 50 Hz of capacity 20 KVAR complete all as specified and directed.

Supply only heavy duty resin filled capacitor 440 volt, 3 phase 50 Hz of capacity 25 KVAR complete all as specified and directed.

Supply only capacitor duty contactor of cap 5 KVAR rating @ 415 Volt 3 phase (including 1 NO + 1 NC) complete all as specified and directed.

Supply only capacitor duty contactor of cap 8.5 KVAR rating @ 415 Volt 3 phase (including 1 NO + 1 NC) complete all as specified and directed.

Supply only capacitor duty contactor of cap for 12.5 KVAR rating @ 415 Volt 3 phase (including 1 NO + 1 NC) complete all as specified and directed.

Supply only indicator lamp LED type (colour Red/Yellow/Blue/Green of any) complete all as specified and directed.

Supply only tape insulated ring type low tension current transformer ,ratio 200/5 A, Burden 10/15 VA,accuracy class 0.5 complete all as specified and directed.

Supply only power factor controller of capacity 8 Step 440 volt, 3 phase 50 Hz complete all as specified and directed.

Material and labour for repair of LT feeder pillar box ( approx size min 1.2 m x 1.00 m x 0.5 m and max 2.0 m x 1.5 m x 0.6 m) complete with dismantling of burntout cable connections, bus-bars, MCCBs etc & painting to external surfaces with one coat of stnthetic enamel paint of approved grade including refixing of bus-bars, replacement of epoxy cast busbar insulators, serviceable MCCBs, all cable connection from busbar to terminals at both ends etc. including patch repair with electric welding for replacement of hinges, refixing of broken doors, replacement of locking arrangement with sliding bolts including PCC for reconstruction of foundation/coping etc. complete all as specified and directed. Note : MCCBs / Cable connector required for replacement & required PCC for reconstruction of foundation/coping shall be measured & paid separately under respective items.

Material and labour for cable connector of length 0.5 m, made out of 25sqmm multistranded copper conductr single core. PVC inner sheathed unarmoured cable including copper lugs, copper nut bolts etc., complete all as specified and directed.

Material and labour for cable connector of length 0.5 m, made out of 35sqmm multistranded copper conductr single core. PVC inner sheathed unarmoured cable including copper lugs, copper nut bolts etc., complete all as specified and directed.

Material and labour for cable connector of length 0.5 m, made out of 50sqmm multistranded copper conductr single core. PVC inner sheathed unarmoured cable including copper lugs, copper nut bolts etc., complete all as specified and directed.

Supply installation, commissioning and testing including providing all necessary electrical connection, LT feeder panel board (CPRI Approved), outdoor type, double door,factory made out of 3.15 mm thick MS sheet of size 1.2 m x 1.00 m x 0.5 m deep having hinge opening arrangement in front and back side and bottom frame made out of angle iron of size 50x50x6mm thick and 04 nos legs 0.5 meter length with cable entry and exit circular hole with cable gland & gasket at bottom complete including painting to all internal and external exposed steel surfaces with powder coating paint (5 stage process) with duly fixed in ground with necessary PCC foundation (1:2:4) type B1 upto a height of 0.5 mtr from ground level, with danger notice plate of 1.6mm thick mild steel sheet, vitereous enamelled (white), with letters, figures and conventional skull and bones in signal red colour, fixing lugs, bolts, screws etc complete and comprising of the following accessories including necessary excavation work for taking out cable loop and refilling the trenches including taking down old unsv existing panel complete all as specified and directed :- (a) Anodized Copper bus bar of capacity 400 Amp -04 Nos (b) MCCB 200A Fixed thermal and magnetic release type, 415 Volts 4 pole, 36 KA - 01 No (Incoming). (c) MCCB 100 A Fixed thermal and magnetic release type,415 Volts 4 pole, 25 KA - 01 No (Out going). (d) MCCB 63 A Fixed thermal and magnetic release type,415 Volts 4 pole, 25 KA - 01 No (Out going). (e) MCCB 40 A Fixed thermal and magnetic release type,415 Volts 4 pole, 25 KA - 02 Nos (Out going). (f) On load changer over switch 200 Amp (Open execution), 415 Volt, 4 pole - 1 Nos. (g) Indicator lamp LED type (set of three Red,Yellow,Blue)-01 set

Supply installation, commissioning and testing including providing all necessary electrical connection, LT feeder panel board (CPRI Approved), outdoor type, factory made out of 3.15 mm thick MS sheet of size 0.60 m x 0.60 m x 0.5 m deep having hinge opening arrangement in front and back side and bottom frame made out of angle iron of size 50x50x6mm thick and 04 nos legs 0.5 meter length with cable entry and exit circular hole with cable gland & gasket at bottom complete including painting to all internal and external exposed steel surfaces with powder coating paint (5 stage process) with duly fixed in ground with necessary PCC foundation (1:2:4) type B1 upto a height of 0.5 mtr from ground level, with danger notice plate of 1.6mm thick mild steel sheet, vitereous enamelled (white), with letters, figures and conventional skull and bones in signal red colour, fixing lugs, bolts, screws etc complete and comprising of the following accessories including necessary excavation work for taking out cable loop and refilling the trenches including taking down old unsv existing panel complete all as specified and directed :- (a) Anodized Copper bus bar of capacity 200 Amp -04 Nos (b ) MCCB 100 A Fixed thermal and magnetic release type,415 Volts 4 pole, 25 KA - 01 No (Out going).

Supply installation, commissioning and testing including providing all necessary electrical connection, LT feeder panel board (CPRI Approved), outdoor type, factory made out of 3.15 mm thick MS sheet of size 0.60 m x 0.60 m x 0.5 m deep having hinge opening arrangement in front and back side and bottom frame made out of angle iron of size 50x50x6mm thick and 04 nos legs 0.5 meter length with cable entry and exit circular hole with cable gland & gasket at bottom complete including painting to all internal and external exposed steel surfaces with powder coating paint (5 stage process) with duly fixed in ground with necessary PCC foundation (1:2:4) type B1 upto a height of 0.5 mtr from ground level, with danger notice plate of 1.6mm thick mild steel sheet, vitereous enamelled (white), with letters, figures and conventional skull and bones in signal red colour, fixing lugs, bolts, screws etc complete and comprising of the following accessories including necessary excavation work for taking out cable loop and refilling the trenches including taking down old unsv existing panel complete all as specified and directed :- (a) Anodized Copper bus bar of capacity 200 Amp -04 Nos (b ) MCCB 100 A Fixed thermal and magnetic release type type,415 Volts 4 pole, 25 KA - 01 No ((Incoming). (c ) MCCB 63 A Fixed thermal and magnetic release type type,415 Volts 4 pole, 25 KA - 01 No ((Incoming). (d ) MCCB 40 A Fixed thermal and magnetic release type type,415 Volts 4 pole, 25 KA - 01 No ((Incoming).

Supply installation, commissioning and testing including providing all necessary electrical connection, LT feeder panel board (CPRI Approved), outdoor type,,factory made out of 3.15 mm thick MS sheet of size 0.60 m x 0.60 m x 0.5 m deep having hinge opening arrangement in front and back side and bottom frame made out of angle iron of size 50x50x6mm thick and 04 nos legs 0.5 meter length with cable entry and exit circular hole with cable gland & gasket at bottom complete including painting to all internal and external exposed steel surfaces with powder coating paint (5 stage process) with duly fixed in ground with necessary PCC foundation (1:2:4) type B1 upto a height of 0.5 mtr from ground level, with danger notice plate of 1.6mm thick mild steel sheet, vitereous enamelled (white), with letters, figures and conventional skull and bones in signal red colour, fixing lugs, bolts, screws etc complete and comprising of the following accessories including necessary excavation work for taking out cable loop and refilling the trenches including taking down old unsv existing panel complete all as specified and directed :- (a) Anodized Copper bus bar of capacity 300 Amp -04 Nos

Supply and fix in repair on load changer over switch (Open Execution) complete with of capacity 200 Amp, 415 Volt, 4 pole, 50 HZ complete all as specified and directed.

Supply and fix in repair on load changer over switch (SS Enclosure) complete with of capacity 200 Amp, 415 Volt, 4 pole, 50 HZ complete all as specified and directed.

Supply and fix in repair on load changer over switch (SS Enclosure) complete with of capacity 100 Amp, 415 Volt, 4 pole, 50 HZ complete all as specified and directed.

Demolition of cement concrete/hardcore of any description Concrete in ground floors and pavings n exc 15 cm thickness (below or above ground level) complete all as specified and as directed.

Material and labour for hardcore of gauge n exc. 63 mm, with broken bricks, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface complete all as specified and as directed.

Material and labour for cement concrete type B-1, 1:2:4 (20mm graded stone aggregate) over hardcore with 2.5 cm thick complete all as specified and directed.

Material and labour for cement concrete in foundations, filling and mass concrete, type C2 (1:3:6) (40mm graded stone aggregate) including formwork (as required), around the fenching of outdoor sub stations complete all as specified and directed.

Supply and fix in repair busbar chamber 63 amp, 4 way, 415 volt, enclosure is made from thick minimum 3.15 mm CRCA sheet,copper strip,embossed earthing terminals on both sides,removable top & bottom gland plates with conduit knockout with sufficient space for different cable sizes complete all as specified and directed. Make: Havells/Legrand/C &S/ABB.

Supply and fix in repair busbar chamber 100 amp,4 way, 415 volt, enclosure is made from thick minimum 3.15 mm CRCA sheet,copper strip,embossed earthing terminals on both sides,removable top & bottom gland plates with conduit knockout with sufficient space for different cable sizes complete all as specified and directed. Make: Havells/Legrand/C &S/ABB.

Supply and fix in repair busbar chamber 200 amp,4 way, 415 volt, enclosure is made from thick minimum 3.15 mm CRCA sheet,copper strip,embossed earthing terminals on both sides,removable top & bottom gland plates with conduit knockout with sufficient space for different cable sizes complete all as specified and directed. Make: Havells/Legrand/C &S/ABB.

Material and labour for earthing complete with GI earth plate electrode of size 600x600x6 mm thick buried directly in ground with earth pit not less than 2.25 meter deep below ground level with top edge of plate not less than 1.5 meter below normal ground level connected to GI earth strip of size 32 x 6 mm earth lead by means of nuts, bolts, check nuts, washers of galvanised iron as steel, protected by HDPE pipe 40mm bore of pressure rating 6 kgf/cm2 all as directed including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 42 x 42 x10 cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part I including testing on completion including taking down old earthing set complete all as specified and directed. Note:- GI strip upto 7.5m length including testing shall be included in quoted rates.

Supply and fix in repair galvanised iron strip 32 x 6mm buried in ground or on wall as required complete all as specified and directed. Note : Joining of GI strip shall be made by welding.

Supply and fix in repair 40mm dia HDPE pipes of pressure rating 6 kgf/cm2 fixed complete to walls,ceilings or in floors for protection of earth strip complete all as specified and directed.

Taking down/out unserviceable or serviceable LT UG cable of nominal cross sectional area 70 sqmm 3.5 core and connections including bricks, GI pipes, etc. of any descriptions, laid in trenches and/or fixing with Walls/Poles etc. complete all as specified and directed. Note:- Earth work shall be measured and paid separately under respective items.

Supply, laying, connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty with stranded aluminum conductor) of size 70 Sqmm, 3.5 core, 1100 Volts (earthed) grade, confirming to IS-7098 (Part-I) laid through duct/ pipe / in trenches etc. with brass compression cable gland, terminal lugs, etc complete all as specified and directed. Note : Earth work, brick protection and sand cushioning and GI Pipe shall be measured and paid separately under respective item.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5mtr in depth and getting out in soft / loose soil for laying of under ground cable complete all as specified and directed.

Returning filling in including spreading leveling watering and well ramming in layers not exceeding 25cm in soft/loose soil complete all as specified and directed.

Removing of surplus soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and directed.

MMaterial and labour for sand cushioning with clean and dry river sand for protection of XLPE UG cable with approved sand of uniform thickness. laid dry, filling in trenches and punning down in proper required layers complete all as specified and directed. Note:- Punned down thickness shall be measured for payment.

Materials and labour for brick protection cover to underground cables with sub class ‘B’ of size 23 X 11.5 X 7.5 cm, (locally available best quality), laid dry and flat abutting each other with gaps not exceeding 10mm complete all as specified and directed.

Supply and fix in repair GI tubing of size 40 mm dia (light grade) with all fittings, laid in trenches / road crossing / fixed on wall / pole with mild steel clamps, nuts, bolts, etc. for protection of cables complete all as specified and directed.

Materials and labour for boring for passing GI protection pipe up to 40mm bore (dia) under road / footpath without disturbing the top surface complete all as specified and directed Note-Necessary infrastructure required for boring shall by arranged by the contractor and cost of the same included in quoted rates.

Supply and fix in repair straight through (epoxy) cable Joint Kit heat shrinkable including jointing Materials for making Joints of UG electric cable 1100 Volt Grade heavy duty with PVC/XLPE insulated Aluminium Stranded Conductor, Nominal Cross-Sectional area 70 Sqmm 3.5 Core and testing complete all as specified and directed.

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