NITNo13ItemNo6

Renovation/repairing of L.T. panel board of aeration control unit installed at Ph-III Coronation Pillar including dismantling of old defective switchgears, indicating instruments & other accessories from existing panel, removing of all incoming & outgoing cable connections after taking shut down.

Power contactor, 3 poles, 415 Volts, AC-3 of rating 70 Amps. Make:- L&T/Siemens/BCH and any approved make of DJB

Timer for star delta 25 H.P. motor. Make:- L&T/Siemens/BCH and any approved make of DJB

MCCB of rating 100 amps., TP, 415 Volts, 50 KA, 50 Hz. Make:-L&T/Siemens/BCH and any approved make of DJB

Digital ampere meter Make:-L&T/Siemens/BCH/AE and any approved make of DJB

Digital volt meter. Make:- L&T/Siemens/BCH/AE and any approved make of DJB

Indicating lamp red, green, and amber. Make:-L&T/Siemens/BCH and any approved make of DJB

ON push button green. Make:- L&T/Siemens/BCH and any approved make of DJB

OFF push button green. Make:- L&T/Siemens/BCH and any approved make of DJB

Auxiliary contacts block (front mounting). Make:- L&T/Siemens/BCH and any approved make of DJB

Add on block for above contactors. Make:- L&T/Siemens/BCH and any approved make of DJB

Motor protection relay. . Make:- L&T/Siemens/BCH and any approved make of DJB

Over load relay 20 to 30 amps. Make:- L&T/Siemens/BCH and any approved make of DJB

CT ratio 50/5. Make:-AE & L&T

Supply of PVC insulated copper flexible wire 16 sq.mm single core FRLS. Make:-Havells/polycab/Gloster/ICC and any approve make of DJB

Supply of PVC insulated copper flexible wire 10 sq.mm single core FRLS. Make:-Havells/polycab/Gloster/ICC and any approve make of DJB

P/F and making connection of bus-bar of suitable size for 100 amps. Current carrying capacity as per site requirement including links, bends, aluminium bus bar will be of electrolyte grade 55% conductivity or as per relevant IS having sufficient cross section area insulated with heat shrinkable PVC sleeve in [phase colour identification. The bus bar support insulator shall be of class F insulation made out of non-hygroscopic material as SMC/DMC. All hardware for connection/joints shall be in high tensile.

Fixing of the MCCB in the existing L.T. panel board including providing, fabrication & fixing of the base frames of suitable sizes for MCCBs in the chamber .Modification in panel door fixing all the measuring instruments etc, at the metering chamber along with complete wiring through 2.5 sq.mm single core copper wire including providing and fixing of necessary ferrules etc. And fixing the backup fuses as per requirement.

Fixing the contactor and making all the wiring connections and interconnections of the switchgears so as so to make the starters functional as per site requirement.

Fixing of the new indicating lamps alonwith controls fuses. Making their control wiring connections by providing of copper flexible wire as per requirement.

Fixing of the new meters in the newly fixed MCCB chambers including after removing the old ones along with making their wiring connections of new meters by existing or supply and laying of new copper flexible cables as per requirement of site including thimbling etc. As required and alignment of meters as per CT ratio as per site requirement.

Replacement of existing old damaged copper conductor lead from bus bar to switch gear including providing of suitable size of thimble, link, terminal block & other any required hardware items to complete the job and punching, tapping etc. As required.

Renovation/recondition of the panel by providing / fixing of the new door locks, door accessories etc. To replace the worn out. The job includes complete cleaning of the bus-bar chamber/alleys/switchgears and metering chambers by blower etc. As per site requirement.

Testing and commissioning of the panel board and the connected equipments first at ON load and then at ON load. Painting of complete L.T. panel board etc. As per the satisfaction of engineer in charge as required as site.

Shakti Trading Co.

Gupta Brothers

Raj Engineering Co.

Premier Engineering Company

CHANDERA BUILDERS