notice inviting tender for supply , installation and commissioning of electric panel at ncmrwf office complex , supply , installing , testing and commissioning factory made and tested lt panel indoor type , platform mounted , suitable for 415 volts 3 phase and neutral , 4 wire , 50hz ac supply system having bus bar chamber with insulated aluminum bus bars of 1000 amps rating installed on dmc insulators with bus bar chamber . the panel shall be dust and vermin proof , protection class ( ip-54 ) and made of 2 . 00 mm ( 14 s . w . g . ) thick crca mild steel sheet and mild steel mounting channel frame work ( made out of 75 x 40 mm thick ) , front opening type with proper ferrule & cable gland , internal wiring with pvc insulated multistranded copper conductor frls cable 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 . the lt panel should include the following:- bus bar chamber:- ( a ) 1000 amp tpn , aluminum conductor , with color coded heat shrinkable sleeve and shall be mounted on non-hygroscopic , non-combustible , track resistant , high strength dmc material , interconnection of all incomings & outgoings . instrument chamber:- ( i ) volt meter , 96mm , flush type rated 0-500v , digital type with volt meter selector switch- 01 set . ( ii ) amp meter , 96mm , flush type rated 0-1000a , digital type with c . ts of ration 1000/5a , and amp selector switch- 01 set ( iii ) r , y , g phase indicating lights led type 220v ac with mcb 6 a sp c series- 1 set of three . main incoming:- ( i ) acb 1000 amps 50 ka , 4 pole 415v ac thermal and magnetic release fixed type= 01 no . , outgoing:- ( i ) mcb 50 amp 10 ka 3 pole c series for star delta starter 15 h . p . ( with contactors 25 a 3 pole - 2 nos . 18 a 3 pole-1 no . , over load relay 9-15 a , digital amp meter 0-50a with ct 50/5a , single phase preventer , auxiliary contacts , s/d timer 0-60 sec , start/ stop push buttons , control mcb 6a sp-1 no . , on off trip indicating lights ) = 04 sets . , ( ii ) mccb 250 amps 25 ka , 4 pole 415v ac with thermal and magnetic release with spreader terminals = 04 sets . ( for chiller units ) ( iii ) mccb 250 amps 25 ka , 4 pole 415v ac with thermal and magnetic release with spreader terminals = 02sets . ( spare feeders ) ( iv ) mcb 32 amp 10 ka dp c series for light = 01 no . ( v ) mcb 63 amp 10 ka tpn c series ( spare feeders ) = 01 no . note: the size of panel shall not less than 2225 x 1650 x 900 mmthe warranty of system installed shall be for a period of one year .