NIT NO. 14 ITEM NO. 23

Dismantling of old main distribution panel including removing of all electric connections while taking all safety precautions and cutting of old rusted nuts and MS bar with help of electric cutter/ manual labour including excavation of soft / hard soil upto 100 mm and making the surface even for laying foundation for new panel as per site requirement.

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement for the base of main incomer distribution panel, including cement slurry. The size of panel foundation base will be 3.9mX1.5mX0.1m depth

For main incomer distribution panel. Supply / Fabrication of LT Panel Board cubical type, floor mounting, dust & vermin proof construction, of the minimum size 3000 mm X 2000 mm X 375 mm, suitable for indoor fixing, made out of 16 SWG CRCA sheet (frame of 14 SWG), having chambers suitable to switch gears to be fitted as below with provisions for cable entry from bottom. The panel should have separate cable alleys and bus bar alleys. It should be suitable for operation and maintenance from the front and having removable covers at the back and having doors complete with locks etc. at the front for each chamber. The rating of main bus bars has to be 800 Ampere for three phases and half for the neutral in Aluminium construction duly sleeved with phase indicating heat shrinkable Sleeves. It should be complete in all respect along with painted through powder coating process and all the switchgears as below (S.no 4 to 25) duly fitted / installed properly as per site requirement.

S/o Moulded Case Circuit Breaker (MCCB) of rating 630 Amp, Four Pole, 415 V, AC of breaking capacity of 36 kA or more with Spreader Link/ terminals. Make: Havells/Selec/ L&T/ Schneider/ DJB approved make

S/o Moulded Case Circuit Breaker (MCCB) of rating 200 Amp, Triple Pole, 415 V, AC of breaking capacity of 36 kA or more with Spreader Link. Make: Havells/Selec/ L&T/ Schneider/ DJB approved make

S/o Moulded Case Circuit Breaker (MCCB) of rating 125 Amp, Triple Pole, 415 V, AC of breaking capacity of 36 kA or more with Spreader Link. Make: Havells/Selec/ L&T/ Schneider/ DJB approved make

TP Air Break Contactor 140 Amps Coil Voltage 240 Make Make: - Havells/Selec/ L&T/ Schneider/ DJB approved make

TP Air Break Contactor 110 Amps Coil Voltage 240 Make Make: - Havells/Selec/ L&T/ Schneider/ DJB approved make

TP Air Break Contactor 95 Amps Coil Voltage 240 Make Make: - Havells/Selec/ L&T/ Schneider/ DJB approved make

Star Delta Timer 0-20 Sec,240 Voltage Make: - Selec/ L&T/ Schneider/ DJB approved make

Microprocessor based Motor Protection Device having following protection Over Voltage/Under voltage/Single phase /Phase reversal/over current/under current Protection. Make:-L&T/ Schneider/ DJB approved make

TP thermal overload Relay Range 3- Make: - L&T/ Schneider/ DJB approved make

S/o PVC insulated copper flexible cable single core 50 sqmm. Make: Havells / Fort Gloster / ICC /DJB approved make

S/o Ampere Meter 800/5 Amp. Digital type. Make: - AE/ L&T/ DJB approved make

S/o Ampere Meter 300/5 Amp. Digital type. Make: - AE/ L&T/ DJB approved make

S/o Ampere Meter 200/5 Amp. Digital type. Make: -AE/ L&T/ DJB approved make

S/o Voltmeter Digital type Make: - AE/ L&T/ DJB approved make

S/o Current Transformer 800/5 Amp. Digital type. Make: - AE/ L&T/ DJB approved make

S/o Current Transformer 300/5 Amp. Digital type.Make:- AE/ L&T/ DJB approved make

S/o Current Transformer 200/5 Amp. Digital type. .Make: - AE/ L&T/ DJB approved make

SP MCB. 6A. Make L&T/ Schneider/ DJB approved make.

On/Off Push Button 22.5 Make: - Warner/ Selec/ DJB approved make

S/o Indicating Lamp, Led type Make: - IEC/ L&T/ DJB approved make

Installation of the new L.T. Panel at site including providing of the all material required for fixing the panel in the newly laid foundation including grouting and minor civil work as per satisfaction of engineer in charge.

Making the Required incoming power supply connections between main supply and new incomer panel by connecting the cable after relaying of cable and re thimbling of cable ends as per requirement.

Testing & commissioning of the new starter panels including testing for their manual/ automatic operations for the pumps as after making required configurations for the automatic operations in the starters. Testing of Starters at No Load and then at on Load. Testing of tripping system of starters as per requirement

HARI ELECTRICAL CO.

CHANDERA BUILDERS

Premier Engineering Company

HYDROCON ENGINEERS

B.S.Enterprises