REPAIR/MAINTENANCE OF LT PANELS, CABLE AND CONNECTED ITEMS AT HELIPAD AREA DGRE RDC MANALI AT AGE(I) RnD MANALI.

10 Sqmm x 2 Core

16 Sqmm x 4 Core

35 sqmm x 3.5 core

50 Sqmm x 3.5 Core

70 Sqmm x 3.5 Core

95 Sqmm x 3.5 Core

Supply, installing, testing and commissioning factory made LT panel ( 415 Volts, 50 Hz , 3-phase, 4 wire supply ) CPRI approved manufacturer, factory assembled Outdoor Feeder Pillar type, weather proof, platform mounted, suitable for 415 Volts 3 Phase and neutral, 4 wire, 50Hz AC supply system having bus bar chamber with insulated Aluminium bus bars of 100 Amps rating installed on DMC insulators with bus bar chamber. The panel shall be dust and vermin proof, ingress protection class ( IP-65 ) and made of 3.15 mm thick CRCA mild steel sheet and mild steel, Angle iron frame work made out of 40 X 40 X 6 mm ), front and rear opening type with proper ferrule & cable gland, internal wiring with PVC insulated multistranded copper conductor FR wire of adequate size but not less than 1.5 sqmm complete. All steel metal works including frame shall be with anticorrosive coating with seven tank process and finally epoxy polyester powder coating of Siemens grey shade 7035 embedded in ground with and including masonry in 1:4 CM of blocks of PCC 1:2:4 type B1 of block size 30x30x30 cm and rendering in CM 1:4 with comprising of the following:-

BUS BAR CHAMBER :- (a) 100 Amps 3 Strips & Neutral Strip 50 Amps, Aluminium conductor, with color coded heat shrinkable sleave and shall be mounted on non hygroscopic, non combustible, track resistant, high strength DMC material, interconnection of all incomings & outgoings. INCOMING SUPPLY :- (i) MCCB 63 Amps 16 KA 3 Pole with Fixed thermal & magnetic release 415 volts , 50Hz,=01 No., Make of MCCB:-L&T/ Schneider / HPL/ Havells. INSTRUMENT FEEDER :- (a) Digital Volt Meter, 96X96mm, flush type rated 0-500 V, with Volt meter selector switch- 01 Set. (b) Digital Amp Meter, 96X96mm, flush type rated 0-100 A, with Amp meter Selector switch- 01 Set. (c) C.T's 100/5 A CL 1.0 Tape Wound- 01 Set. (Set of three) (d) Red, Yellow, Green Phase indicating Lights LED type 220 V AC- 1 Set. (Set of three). (e) Protection MCB 6 A SP C Series- 1 Set. (Set of three). Make of Metering Accessories :-L&T/ AE/ Trinity/ Schneider.

OUTGOING SUPPLY :- (i) MCB SPN 32 Amps, 230 volts, 50Hz, rupturing capacity 10 KA C Curve = 3 Nos. Make of MCB:- L&T/ Schneider / HPL/ Havells. (ii) MCB TPN 32 Amps, 230 volts, 50Hz, rupturing capacity 10 KA C Curve = 3 Nos. Make of MCB:- L&T/ Schneider / HPL/ Havells. The panel manufacturer should have following Govt. Approved Certificates: 1. Panel should be according to IEC-61439. CPRI Certification Degree of Protection IP-54 (IS/IEC : 61439 (Part-1), 2011 & IS/IEC : 61439 (Part-2) 2011) 2. Tempreature Rise (IS/IEC : 61439-1, 2011 & IS/IEC : 61439-2 2011) 3. CPRI Short Circuit IEC-61439-1 & 2 withstand strenght should be 70kArms for 1.0 Sec with intial peak of 154kApk 4. CPRI Certification IEC-61439-1 & 2 Rated current for short circuit not less than 6300 A with rated insulation voltage 660V 5. ISO 9001 CERTIFIED Contractor will get the copy of above certificates from manufacturer and submit to Engineer-in-charge/AGE(I) before erection of panel on ground.