NIT No. 13, Item No.4 (2025-26) (Re-invite)

Dismantling of existing motor starting / electrical system after disconnecting incoming and outgoing connections, removing the existing complete panel and other material using gas cutter /other tools and tackles etc. as per site requirement.

Supply / Fabrication of LT Panel Board cubical type, floor mounting, dust & vermin preventing construction of the minimum size 2300 X 1800 X 500 mm, suitable for indoor fixing, made out of 16 SWG CRCA sheet (frame of 14 SWG), with provisions for cable entry from bottom. The panel should have required chambers and bus bar alleys. It should be suitable for operation and maintenance and having doors complete with locks etc. for each chamber. The rating of main bus bars has to be 600 Ampere for three phases and half for the neutral in Aluminum construction duly sleeved with phase indicating heat shrinkable Sleeves. It should be painted through powder coating process and with complete provisions suitable for all the switchgears as below to be fitted / installed properly with complete mounting accessories, with complete internal connections of switchgears and control gears with the main bus bars in the Panel through copper cable or bus bars as required along with making all the required wiring connections for all measuring and indicating instruments with all the accessories, thimbles, ferrules etc. complete in all respect as per requirement. The Panel should have chambers and insertions as per following details. Make for following Switchgears- L&T/ Schneider/ BCH/ DJB approved. Make for following metering instruments -L&T/ Schneider/ AE/ DJB approved. One Changeover Chamber having following insertions-630 Amp 415 V Changeover Switch - 01 No. One Incomer Chamber having following insertions-Moulded Case Circuit Breaker (MCCB) of rating 630 Amp, Triple Pole, 415V, AC of breaking capacity of 36 KA or more with spreader links - 01 No. One Metering Chamber for the Incomer having following Insertions-Ampere Meter 96X96 mm Digital type - 01 No. Volt Meter 96X96mm Digital type. -01 No. Ampere Meter selector switch. - 01 No. Volt meter selector switch. - 01 No. Indicating Lamp, Led type for Three Phases -03 Nos. MCB, 6 Amp, SP, ‘C’ Curve. - 03 Nos. Current Transformer 600/5 ampere. - 03 Nos. Four Outgoing Chambers with each having following insertions- Moulded Case Circuit Breaker (MCCB) of rating 200 Amp, Triple Pole, 415V, AC of breaking capacity of 36 KA or more with spreader links - 01 No. Indicating Lamp, Led type for Three Phases -03 Nos. MCB, 6 Amp, SP, ‘C’ Curve. - 03 Nos. Four Outgoing Chamber with each having following insertions-Moulded Case Circuit Breaker (MCCB) of rating 125 Amp, Triple Pole, 415V, AC of breaking capacity of 36 KA or more with spreader links - 01 No., Ampere Meter 96X96 mm Digital type - 01 No. Ampere Meter selector switch. - 01 No. Indicating Lamp, Led type for Three Phases -03 Nos. MCB, 6 Amp, SP, ‘C’ Curve. - 03 Nos. Current Transformer 100/5 ampere. - 03 Nos. Contactor 70 Amperes TP (MNX70 or equivalent) -02 Nos., Contactor 50 Amperes TP (MNX50 or equivalent) with NO NC Block-01 No., Over load relay suitable for 40 HP – 01 No., Star Delta Timer- 01 No., SPP – 01 No. Two Outgoing Chambers with each having following insertions- Moulded Case Circuit Breaker (MCCB) of rating 100 Amp, Triple Pole, 415V, AC of breaking capacity of 36 KA or more - 01 No. Two Outgoing Chamber with each having following insertions-MCB, 63 Amp, Four Pole ‘C’ Curve. - 02 Nos.

Fabrication and supply of base frame made out of Angle Iron of suitable size for fixing the above Panel and suitable for making outgoing /incoming cable entries in the panel. It should be duly painted and ready with provisions for installing at the site.

Fixing of new base frame at the site with the help of fasteners / welding and grouting of nut bolts and including all other work as per site requirements and Fixing the new L T Panel at the newly fixed base frame by lifting the panel board and placing it at the base frame properly and fixing it to the frame by nut bolts as requirement.

Making the incoming connections to the Panel by making required Cable connections between the main supply and the panel after laying and proper thimbling etc. of cable including providing & fixing of consumables as per requirement.

Making the outgoing connections of 200 Amp MCCBs by Connecting MCCBs to the starters Through existing cables or by extending the cables as per site requirement after relaying of the cables as required, proper thimbling and tapping etc. including providing & fixing of material as per requirement.

Making the outgoing connections of Starters in new panel by Connecting starters to the Motors Through existing cables or by extending the cables as per site requirement after relaying of the cables as required, proper thimbling and tapping etc. including providing & fixing of material as per requirement.

Making the outgoing connections for lighting load from new panel by MCB Through existing cables or by extending the cables as per site requirement after proper thimbling and tapping etc. including providing & fixing of material as per requirement.

Making the outgoing connections for Crane operation load from new panel by MCB Through existing cables or by extending the cables as per site requirement after proper thimbling and tapping etc. including providing & fixing of material as per requirement.

Making the outgoing connections for Dewatering starter operation from new panel by MCB Through existing cables or by extending the cables as per site requirement after proper thimbling and tapping etc. including providing & fixing of material as per requirement.