NIT NO. 15 (2022-2023) EE(SDW)VI / Item No.3

Supply of TP MCB 32 A rating, 240/415 V,10 kA, "C" curve, for suitable of 10 HP DOL Starter. Make: - L&T.

Supply of TP MCB 20 A rating, 240/415 V,10 kA, "C" curve, for suitable of 10 HP DOL Starter. Make: - L&T.

Supply of DP MCB 6A rating, 240/415 V,10 kA, "C" curve, for controlling. Make: - L&T.

Supply of 3 pole power contactor of current rating 32A. Make- L&T

Supply of 3 pole power contactor of current rating 18A. Make- L&T

Supply of overload Relay for 09-15Amp MNX Make:-L&T

Supply of overload Relay for 14-23Amp MNX Make:-L&T

Supply of PVC power connector 32A TP Make : L&T

Supply of PVC power connector 25A TP Make : L&T

Supply of LED indicator Red, Green & Amber Make : L&T

Supply of Start / Stop Push Button HD15C Make- L&T

Supply of Single core Cu. Conductor cable 1.0 sq. mm FRLS Make: Polycab / DJB approved case.

Supply of Cu. Thimble Pin type for cable1.0 sq. mm ISI mark

Supply of Cu. Thimble ring type for cable 1.0 sq. mm ISI mark

Supply of PVC perforated Channel size 25X45mm ISI Mark

Supply of MS Channel for fixing MCB ISI mark

Supply of Element NO+NC HC61A2 Make : L&T

Dismantling of the existing starter with other assembling like contractor, relay, terminal etc. complete job as per required

Installation of the starter with relay, contractor with other accessories to complete job as per required.

Making all the required wiring connections for all the metering chambers of the Panel for all measuring and indicating instruments along with connections of and other control connections complete through copper cable with all the accessories, thimbles, ferrules etc. complete in all respect as per requirement.

Opening the outgoing cable connections from starters panel.

Making the outgoing cable connections from starters panel after proper thimbling and tapping etc. including providing & fixing of material as required.

Testing and Commissioning of the Panel Board first at NO LOAD and then at ON LOAD and Operations as per the satisfaction of engineer in charge.

Supply of Air Circuit Breaker 3 Pole 415V, AC of rating 800 Ampere EDO type, with microprocessor release 50 KA or more, with under voltage release. Make L&T

Dismantling the existing complete 02 No. of ACBs of 800 Amp. From the chambers of the main LT Panel including their cradles and disconnecting the bus bar connections with the main bus bars disconecting the outgoing cables etc. dismantling the ACBs in the complete shut down and safe condition.

Cleaning of the complete main L T panel, cable alleys, bus bar alleys etc., front and back side, cleaning the lower chambers to remove water traces including providing tools & Tackles, any consumables as per site requirement.

Installation of the cradle of the ACB as above at the panel in proper alignment for making the connection after proper cleaning of the chamber for removing any carbon etc. including modification /making mounting arrangement for fixing new ACBs.

Fixing the ACB in the cradle in proper drawable condition including checking the movement along with making control connection as suitable for operating the new ACBs.

Connecting the bus ducts and the incoming sides of new 800 Amp ACBs by rearrangement/ modification/extension / addition of Bus Bar lengths in Aluminium construction of similar cross section as per existing as required for retrofitting of ACB and making the required joints including bending/ cutting / shaping of the bus bars as required. The job includes providing of material and other consumables as per site requirement and tools and tackles as per requirement.

Connecting the main bus bars of the LT panel and the outgoing sides of new 800 Amp ACBs by rearrangement/modification/extension addition of Bus Bar lengths in Aluminium construction of similar cross section as per existing as required for retrofitting of ACB and making the required joints including bending/cutting / shaping of the bus bars as required. The job includes providing of material and other consumables as per site requirement and tools and tackles as per requirement.

Renovation/Retrofit & checking control wiring of remaining ACB of LT panel board with other components decarbonizing the contact. & re-fitting of the components at their respective space.

Testing and commissioning of the 800 ACB for operations first at NO load and then at ON load including operation, testing of charging system etc. as per the satisfaction of the engineer in charge.

M. U. CONSTRUCTION CO.