REPAIR/MAINTENANCE OF LT PANELS FEEDER PILLARS SWITCH GEARS AND CONNECTED ITEMS AT AF STATION CARNICOBAR

Amount

Taking down LT panels any type and any size complete all as specified and directed.

Supply installing testing and commissioning factory made and tested, CPRI approved LT main feeder pillar Outdoor type, weather, vermin proof, free standing floor mounting type mounted of floor/over the duct, with required mounting channel, cable alley for all the feeders, suitable for 440 Volts, 3 phase 4 wire 50Hz AC supply system, conforming to IS - 5039, IP-65 class protection and made of 3.15 mm CRCA mild steel sheet with 50x 50x6mm angle iron frame, hinged doors, front & rear opeing and locking arrangement ( including provision of 65mm Godrej ( freedom) lock with 2 Keys) with necessary bus bar arrangment with insulated Aluminium bus bar 800 Amps rating for phase & neutral, 4 strips, installed on epoxy insulators housed in separated bus chambers covered with heat shrinkable sleeves, copper control wiring of required size for instruments and including the follwing accessories all as specified and directed. :- Location: Near KV Bldg

Supply installing testing and commissioning factory made and tested, CPRI approved LT main feeder pillar Outdoor type, weather, vermin proof, free standing floor mounting type mounted of floor/over the duct, with required mounting channel, cable alley for all the feeders, suitable for 440 Volts, 3 phase 4 wire 50Hz AC supply system, conforming to IS - 5039, IP-65 class protection and made of 3.15 mm CRCA mild steel sheet with 50x 50x6mm angle iron frame, hinged doors, front & rear opeing and locking arrangement ( including provision of 65mm Godrej ( freedom) lock with 2 Keys) with necessary bus bar arrangment with insulated Aluminium bus bar 800 Amps rating for phase & neutral, 4 strips, installed on epoxy insulators housed in separated bus chambers covered with heat shrinkable sleeves, copper control wiring of required size for instruments and including the follwing accessories all as specified and directed. :- Location: Near Technical Area & Base Ops

Incomming:- MCCB 400 Amp 50 KA 4 Pole, 50 HZ Thermal - Magnetic Release-01 Nos Outgoing:- (i) MCCB 200 Amp 36 KA 4 Pole Thermal - Magnetic Release-01 no (ii) MCCB 160 Amp 36 KA 4 Pole Thermal - Magnetic Release-01 No (iii) MCCB 100 Amp 25 KA 4 Pole Thermal - Magnetic Release-01 nos (iv) MCCB 63 Amp 25 KA 4 Pole Thermal - Magnetic Release-02 Nos

Supply & fixing in replacement of Air circuit breaker 3 pole 1600 Amps 50 KA with Microprocessor release Manually operated draw out (EOD) type including dismantling & taking out old unserviceable ACB from panels and proper fitting in exsting panel complete all as specified and directed.

-ditto- As per item No 04 but 1250 Amp 50 KA Capacity all as specified and directed.

-ditto- As per item No 04 but 800 Amp 50 KA capacity all as specified and directed.

-ditto- As per item No 04 but 630 Amp 50 KA capacity all as specified and directed.

M & L for cutting and removing grass, vegetation bushes etc from surrounding of LT Panel and removing all rubbish to a distance not exceeding 50 m all as specified and directed.

Material and labour for painting of LT panel boards outdoor / indoor of any size floor mounted installed at different locations including preparation of exposed surface by removing old paint from the body, cleaning the surface with thinner and applying two coats of synthetic enamelled smoke grey paint complete all as specified and directed.

S&F (in replacement) change over switch 200 Amps On load (side handle) in sheet enclosure four pole to be fixed on wall with FI 32X6mm, nuts, bolts, washers etc. complete with all electric connection complete all as specified and directed.

S&F in replacement of MCCBs of capacity 630 Amps, TP, 50 KA, 415 Volts 50 Hz, AC, with adjustable thermal and magnetic release fixed in any type of existing LT panel/Feeder piller including taking out old existing unserviceable MCCB from panels etc complete all as specified and directed.

Description all as per ser item No 11.00 above, but rating of MCCB 400 Amp, 36 KA all as specified and directed.

Description all as per ser item No 11.00 above, but rating of MCCB 250 Amp, 36 KA all as specified and directed.

Description all as per ser item No 11.00 above, but rating of MCCB 200 Amp, 36 KA all as specified and directed.

Description all as per ser item No 11.00 above, but rating of MCCB 160 Amp, 36 KA all as specified and directed.

Description all as per ser item No 11.00 above, but rating of MCCB 125 Amp, 16 KA all as specified and directed.

Description all as per ser item No 11.00 above but rating of MCCB 100 Amp,25KA all as specified and directed.

Description all as per ser item No 11.00 above but rating of MCCB 63 Amp, 25 KA all as specified and directed.

Description all as per ser item No 11.00 above but rating of MCCB 32 Amp, 25 KA all as specified and directed.

S&F in replacement of MCCBs of capacity 630 Amps, FP, 50 KA, 415 Volts 50 Hz, AC, with adjustable thermal and magnetic release fixed in any type of existing LT pane l/ Feeder piller including taking out old existing unserviceable MCCB from panels etc complete all as specified and directed.

Description all as per ser item No 20.00 above but rating of MCCB 400 Amp, 36 KA all as specified and directed.

Description all as per ser item No 20.00 above but rating of MCCB 350 Amp, 36 KA all as specified and directed.

Description all as per ser item No 20.00 above but rating of MCCB 250 Amp, 36 KA all as specified and directed.

Description all as per ser item No 20.00 above but rating of MCCB 200 Amp, 36 KA all as specified and directed.

Description all as per ser item No 20.00 above but rating of MCCB 160 Amp, 36 KA all as specified and directed.

Description all as per ser item No 20.00 above but rating of MCCB 125 Amp, 16 KA all as specified and directed.

Description all as per ser item No 20.00 above but rating of MCCB 100 Amp, 16 KA all as specified and directed.

Description all as per ser item No 20.00 above but rating of MCCB 63 Amp, 16 KA all as specified and directed.

M&L for earthing complete with GI earth plate electrode of size 600mx600mmx6 mm, buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of earth plate not less than 1.5 mtr deep below normal ground level, connected to GI earth strip 25x4 mm by by means of bolts, nuts, check nuts and washers of GI or steel and copper earth strip and connected to earthing test point / distribution board/equipments or any other indicated situation all as shown in electrical plate No 5 of SSR Part I (2009) and testing on completion including necessary excavation in any type of soil, returning filling, removing of soil and 1.5 mtr length GI medium grade 20mm dia pipe with funnal and wire mesh, PCC chamber of 1:2:4 type B1 using 20 mm grade stone aggregate, 40 mm thick RCC 1:2:4 type B1 using 20mm graded stone aggregate and reinforced with 8mm dia TMT bars at 150mm c/c on both ways pre cast chamber cover with lifiting handle 16mm dia round bars, Gi pipe medium grade 40 mm dia for earth strip protaction including charcol, common salt complete all as specified and directed. (Note:- GI earth strip beyound 7.5 mtr long shall be measured and paid separetly)

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 25x4mm galvanised iron strip all as specified and directed.

Material and Labour for disconnecting burnt end or portion of cable removing the cable from loop including necessary excavation & earth work in soft / loose soil relaying and reconnecting the cable by removing burnt portion of cable and preparing fresh terminals including fixing of new lugs for 50 Sqmm 3½ / 4 to 400 Sqmm of LT cable to pole / main switch / LT panel including taping of XLPE cables complete all as specified and directed.

Supply and fixing copper thimble 10 Sqmm to 35 sqmm

Supply and fixing copper thimble 50 Sqmm to 70 sqmm

Supply and fixing Aluminium thimble 95 Sqmm to 120 sqmm

Supply and fixing Aluminium thimble 185 Sqmm to 240 sqmm

Supply and fixing Aluminium thimble 300 Sqmm to 630 sqmm

M&L for repairs to LT panel board including welding of broken portion, providing of new hinges after removing old broken hinges including painting of outdoor/ indoor type panels of any size with one coat of synthetic enamel paint of approved colour to external surface of panels all as directed by engineer in charge

Supply and Fixing in replacement under voltage trip device (UVT) for ACBs oerating voltage 415 volts all as specified and directed.

Supply and Fixing in replacement Shunt trip coil operating voltage 220/415 volts complete all as specified and directed.

Supply and Fixing in replacement Shunt closing coil operating voltage 220/415 volts complete all as specified and directed.

Supply and Fixing in replacement key inter lock for ACB complete all as specified & directed.

M & L for repairs to panel board including replacement of control wire with new ones complete with multistandard copper cable of suitable size with copper lugs , PVC tray etc including painting of outdoor type / indoor type panels all as directed by engineer in charge ( Note : Replacement of MCCB/ MCB and other items will be measured and paid separately)

Taking down old unserviceable existing HT junction feeder pillar and Supply installing testing and commissioning factory made and tested, CPRI approved HT junction feeder pillar Outdoor type, weather, vermin proof, free standing floor mounting type mounted of over the block masonory /over the duct, with required mounting channel, suitable for 11000 Volts, 3 phase AC supply system, conforming to IS - 5039, IP-65 class protection and made of 3.15 mm CRCA mild steel sheet with 50x 50x6mm angle iron frame, hinged doors, front & rear opeing with glass protection inside the panel for HT supply and locking arrangement with necessary bus bar arrangment with insulated Aluminium bus bar 1200 Amps rating for three phase, 3 strips, installed on HT insulators complete all as specified & directed. ( Note : Making good disturbed surfaces nesessary block masonary is deemed to be included in this item & Replacement of HT Joints will be measured and paid separately)

S&F MCB single pole 6 to 32 Amps, 240 Volts, 10 KA rapturing capacity, 'C' Curve complete all as specified and directed.

S&F MCB single pole and Neutral 32 Amps, 240 Volts, 10 KA rapturing capacity, 'C' Curve complete all as specified and directed.

S&F MCB TPN 40 to 63 Amps, 240 Volts, 10 KA rapturing capacity, 'C' Curve complete all as specified and directed.

Supply, laying, testing and commissioning of XLPE insulated, PVC sheathed, galvanized steel strip or wire armoured, heavy duty electric cable with stranded aluminium conductor, 1100 volts grade of size 10 Sqmm 2 core, including connecting up with suitable size of aluminium lugs, GI nuts, bolts and washers complete all as specified and directed.

Supply & fixing in replacement Heat Resistant Flame Retardant HRFR PVC Insulated Industrial Cables 25 Sqmm , Single Core HRFR PVC Insulated Industrial Grade Copper Conductor (Unsheathed) Flexible Cables, 1100 Volt Conforming to IS 694 complete all as specified & directed.

Supply & fixing in replacement Heat Resistant Flame Retardant HRFR PVC Insulated Industrial Cables 35 Sqmm , Single Core HRFR PVC Insulated Industrial Grade Copper Conductor (Unsheathed) Flexible Cables, 1100 Volt Conforming to IS 694 complete all as specified & directed.

Excavation in trunches, n.exc. 1.5 mtr wide and n. exc 1.5 mtr in depth for fdn, cable, pole, stay etc and getting out complete in any type o soil all as specified and directed.

Returning filling with earth obtained from excavation including spreading, watering and consolidating in layers not exc 25cm all as specified and directed.

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

Supply and laying double wall corrugated pipe (DWC) conforming to IS 19430 Part - I of size 50 mm outer dia and 38 mm inner dia. complete all as specified and as directed

Supply and fixing in replaement contator 3 pole of capaity 140 Amps, type MNX 140, AC 415 Volt and connecting of existing LT Panel complete all as specified and directed.

S&F (in replacement) change over switch 100 Amps On load (side handle) in sheet enclosure four pole to be fixed on wall with FI 32X6mm, nuts, bolts, washers etc. complete with all electric connection complete all as specified and directed.

S & F fuse mounting Kit, type CO3-250 complete all as specified and directed.

S & Fixing in replacement of DIN Type Fuse Links Type HN Suitable for Type FN 200 / FNX 200 S-D-F & for HB 250 Fuse base complete all as specified & directed.

S & Fixing in replacement of Spreader Terminals of MCCBs four pole any capacity complete all as specified & directed.

S & Fixing in replacement of Microprocessor based type SR18G, ACB's Protection Releases complete all as specified & directed

Ravi Enterprises

SKY GROUP

Tropical Refrigeration

MGP Enterprises

M/s Karbhagam Sales Agency