REPAIR AND REPLACEMENT OF LT DISTRIBUTION NETWORK SYSTEM, UNSERVICEABLE LT UG CABLE, LT JOINT FINDING FAULTS, LT EQUIPMENT, CONTROL GEAR, LT PANEL CONNECTED ITEMS INCLUDING LOAD BALANCING OF EXTERNAL ELECTRIC SUPPLYS AT NASIRABAD MIL STATION UNDER GE

Supplying, installation, testing & commissioning CPRI pproved outdoor cubical type LT feeder pillar box suitable for 415V, 3 phase, 4 wire 50 Hz, AC supply system fabricated from CRCA Sheet totally enclosed, dust, weather & vermin proof, 3.0 mm thick for outer shell and 2 mm thick for inner shell having TPN copper busbar of rating 1.5 times that of controlling MCCB supported on SMC insulators with short circuit withstand capacity 35 MVA for I second, bottom base channel of MS section not less than 100 mm x 50 mm x 5 mm thick, entire panel shall have a common aluminum earth bar of size 25 mm x 5 mm at the rear with 02 Nos earth stud, solid connections from main bus bar to switch gears with required size of copper bus bars and control wiring with minimum 1.5sqmm PVC insulated copper conductor cable, cable alleys, cable gland plates in two half including tamper proof digital energy meter to measure voltage, current, PF, KWH, KVAH, KVARH and general construction confirming to IS:8623 / 93 and mounted on suitable PCC foundation with following detailed specifications & controls. Cont.... Item No 1.01

OUTER SHELL:- The outer shell shall be made of 3.0 mm thick CRCA Sheet & MS angle section 50x50x6 mm frame with front & back openable, single door system lockable/ openable by keys from both sides having flush pattern fancy locks with louvers & air vents gasket for natural flow of air. The bottom of the outer shell contains a detachable plate having provision for entry of armoured cable of adequate size with glands. The dimension of the outer shell should be adequate size with glands. The dimension of the outer shell should be adequate to accommodate inner shell described below giving 50 mm space all around & shall be fabricated in such a way that the complete inner shell alongwith its control gears & accessories could be taken outside without disturbing outer shell. The outer shell shall be mounted on a zinc metal coated stand. Provision of threaded earthing stud at bottom & lifting lugs of suitable size at top to lift the feeder pillar box safely shall be made. Computers cut self adhesive vinyl danger notice plate having conventional symbol of bone & skull be provided. The degree of protection of outer shell shall be IP-54. Cont.... Item No 1.02

INNER SHELL:- Inner shell made of 2.0 mm thick CRCA Sheet compartmentalized for each control gear, front openable single door system lockable /openable by keys from both sides having chromium plated fancy locks (2 Nos in each compartment) having louvers & air vent gasket for natural flow of air. 'U' type gasket shall be used to make the inner shell completely vermin proof & to accommodate incomer/ outgoing MCCBs and TPN copper bus bar and extension links of rating not less than the 1.5 times the rated capacity of the respective MCCB. The TPN bus bar and extension links shall be insulated with colour coded heat shrinkable sleeve and shall be mounted on suitable size 'F' class insulators made of nonhygroscopic, noncombustible, track resistant, high strength SMC material at suitable interval through out the length of the TPN bus bar. Computer cut self adhesive vinyl danger notice plate having conventional symbol of bone & skull be provided on bus bar chamber. All control wires shall be with not less than 1.5sqmm multi strand copper conductors and shall be properly bunched, tied, ferruled for proper identifications and crimped with adequate size of lugs. The cubical shall have a bottom channel of size 75x40 mm duly coated with zinc metal coating. A detachable predrilled gland plate of thickness 3.15mm zinc metal coated should be used at the bottom. Indicating lamps LED type, 230 volts, AC at the incomer of the unit to show three phase availability at the outgoing of incomer. Cont...Item No 1.03

An inspection lamp with I I watt LED shall be fitted on top side of inner shell. The degree of protection for inner shell shall be IP-42 & carry the following controls:- 1. Incoming:- One number MCCB 250 Amp, 4 pole, Ics 36 kA, 415 Volts, 50 Hz, with thermal magnetic release type, Ics=100% Icu with adjustable overload setting and adjustable short circuit setting 2. Outgoing:- (a) Two number MCCB 160 Amp, 4 pole, Ics 36 kA, 415 Volts, 50 Hz, with thermal magnetic release type, Ics=100% Icu with adjustable overload setting and adjustable short circuit setting(b) Two numbers MCCB 100 Amp, 4 pole, Ics 36 kA, 415 Volts, 50 Hz, with thermal magnetic release type, Ics=100% Icu with adjustable overload setting and adjustable short circuit setting (c) One number MCB double pole 32 amp 'C' series of breraking capacity 10kA, ISI marked. (d) One number timer 4W 3 channel, 110 - 220 VAC, 3 Phase, 3 NO, Astro type. (e) One number contactor 4 pole 40amp (f) 3 way selector switch for manual ON/OFF/AUTO switching of street light fittings.(g) Digital Ammeter flush pattern type square dial 96 x 96 mm alongwith selector switch - 01 No and suitable CT of ratio 0-500 Amps.(h) Digital Voltmeter flush pattern type square dial 96 x 96 mm alongwith selector switch - 01 No and suitable PT of ratio 0-500 Volts. (j) Complete control panel wiring with stranded copper conductor of suitable size along with one set indicator lamp for R,Y & B for each incoming and outgoing feeder.

Supplying, installation, testing & commissioning CPRI pproved outdoor cubical type LT feeder pillar box suitable for 415V, 3 phase, 4 wire 50 Hz, AC supply system fabricated from CRCA Sheet totally enclosed, dust, weather & vermin proof, 3.0 mm thick for outer shell and 2 mm thick for inner shell having TPN copper busbar of rating 1.5 times that of controlling MCCB supported on SMC insulators with short circuit withstand capacity 35 MVA for I second, bottom base channel of MS section not less than 100 mm x 50 mm x 5 mm thick, entire panel shall have a common aluminum earth bar of size 25 mm x 5 mm at the rear with 02 Nos earth stud, solid connections from main bus bar to switch gears with required size of copper bus bars and control wiring with minimum 1.5sqmm PVC insulated copper conductor cable, cable alleys, cable gland plates in two half including tamper proof digital energy meter to measure voltage, current, PF, KWH, KVAH, KVARH and general construction confirming to IS:8623 / 93 and mounted on suitable PCC foundation with following detailed specifications & controls. Cont... Item No 2.01

OUTER SHELL:- The outer shell shall be made of 3.0 mm thick CRCA Sheet & MS angle section 50x50x6 mm frame with front & back openable, single door system lockable/ openable by keys from both sides having flush pattern fancy locks with louvers & air vents gasket for natural flow of air. The bottom of the outer shell contains a detachable plate having provision for entry of armoured cable of adequate size with glands. The dimension of the outer shell should be adequate size with glands. The dimension of the outer shell should be adequate to accommodate inner shell described below giving 50 mm space all around & shall be fabricated in such a way that the complete inner shell alongwith its control gears & accessories could be taken outside without disturbing outer shell. The outer shell shall be mounted on a zinc metal coated stand. Provision of threaded earthing stud at bottom & lifting lugs of suitable size at top to lift the feeder pillar box safely shall be made. Computers cut self adhesive vinyl danger notice plate having conventional symbol of bone & skull be provided. The degree of protection of outer shell shall be IP-54. Cont... Item No 2.02

INNER SHELL :- Inner shell made of 2.0 mm thick CRCA Sheet compartmentalized for each control gear, front openable single door system lockable /openable by keys from both sides having chromium plated fancy locks (2 Nos in each compartment) having louvers & air vent gasket for natural flow of air. 'U' type gasket shall be used to make the inner shell completely vermin proof & to accommodate incomer/ outgoing MCCBs and TPN copper bus bar and extension links of rating not less than the 1.5 times the rated capacity of the respective MCCB. The TPN bus bar and extension links shall be insulated with colour coded heat shrinkable sleeve and shall be mounted on suitable size 'F' class insulators made of nonhygroscopic, noncombustible, track resistant, high strength SMC material at suitable interval through out the length of the TPN bus bar. Computer cut self adhesive vinyl danger notice plate having conventional symbol of bone & skull be provided on bus bar chamber. All control wires shall be with not less than 1.5sqmm multi strand copper conductors and shall be properly bunched, tied, ferruled for proper identifications and crimped with adequate size of lugs. The cubical shall have a bottom channel of size 75x40 mm duly coated with zinc metal coating. A detachable predrilled gland plate of thickness 3.0mm zinc metal coated should be used at the bottom. Indicating lamps LED type, 230 volts, AC at the incomer of the unit to show three phase availability at the outgoing of incomer. Cont... Item No 2.03

An inspection lamp with I I watt LED shall be fitted on top side of inner shell. The degree of protection for inner shell shall be IP-42 & carry the following controls:- 1. Incoming:- One number MCCB 250 Amp, 4 pole, Ics 36 kA, 415 Volts, 50 Hz, with thermal magnetic release type, Ics=100% Icu with adjustable overload setting and adjustable short circuit setting 2. Outgoing:- (a) Two number MCCB 160 Amp, 4 pole, Ics 36 kA, 415 Volts, 50 Hz, with thermal magnetic release type, Ics=100% Icu with adjustable overload setting and adjustable short circuit setting (b) Three numbers MCCB 63 Amp, 4 pole, Ics 36 kA, 415 Volts, 50 Hz, with thermal magnetic release type, Ics=100% Icu with adjustable overload setting and adjustable short circuit setting (c) One number MCB double pole 32 amp 'C' series of breraking capacity 10kA, ISI marked. (d) Digital Ammeter flush pattern type square dial 96 x 96 mm alongwith selector switch - 01 No and suitable CT of ratio 0-500 Amps (e) Digital Voltmeter flush pattern type square dial 96 x 96 mm alongwith selector switch - 01 No and suitable PT of ratio 0-500 Volts. (f) Complete control panel wiring with stranded copper conductor of suitable size along with one set indicator lamp for R,Y & B for each incoming and outgoing feeder.

Supplying, installation, testing & commissioning CPRI pproved outdoor cubical type LT feeder pillar box suitable for 415V, 3 phase, 4 wire 50 Hz, AC supply system fabricated from CRCA Sheet totally enclosed, dust, weather & vermin proof, 3.0 mm thick for outer shell and 2 mm thick for inner shell having TPN copper busbar of rating 1.5 times that of controlling MCCB supported on SMC insulators with short circuit withstand capacity 35 MVA for I second, bottom base channel of MS section not less than 100 mm x 50 mm x 5 mm thick, entire panel shall have a common aluminum earth bar of size 25 mm x 5 mm at the rear with 02 Nos earth stud, solid connections from main bus bar to switch gears with required size of copper bus bars and control wiring with minimum 1.5sqmm PVC insulated copper conductor cable, cable alleys, cable gland plates in two half including tamper proof digital energy meter to measure voltage, current, PF, KWH, KVAH, KVARH and general construction confirming to IS:8623 / 93 and mounted on suitable PCC foundation with following detailed specifications & controls. Cont...Item No 3.01

OUTER SHELL:- The outer shell shall be made of 3.0 mm thick CRCA Sheet & MS angle section 50x50x6 mm frame with front & back openable, single door system lockable/ openable by keys from both sides having flush pattern fancy locks with louvers & air vents gasket for natural flow of air. The bottom of the outer shell contains a detachable plate having provision for entry of armoured cable of adequate size with glands. The dimension of the outer shell should be adequate size with glands. The dimension of the outer shell should be adequate to accommodate inner shell described below giving 50 mm space all around & shall be fabricated in such a way that the complete inner shell alongwith its control gears & accessories could be taken outside without disturbing outer shell. The outer shell shall be mounted on a zinc metal coated stand. Provision of threaded earthing stud at bottom & lifting lugs of suitable size at top to lift the feeder pillar box safely shall be made. Computers cut self adhesive vinyl danger notice plate having conventional symbol of bone & skull be provided. The degree of protection of outer shell shall be IP-54. Cont... Item No 3.02