NIT NO. 27(M-3)ITEM NO.15

S.I.T.C of L.T Distribution panel sheet steel enclosure made out of 2mm CRCA sheet totally enclosed, Joint less single sheet, powder coated free standing, floor mounted or Wall Mounted type, dust & vermin proof, outward opening, lockable doors using non-deteriorating neoprene rubber gaskets to provide protection and cable alley of liberal size. Each part of the fabricated panel shall be strictly subjected to seven tank treatment Process. The various components, assemblies and sub equipments of the panel will be as per standard given in relevant IS. The bus bar of the panel to be shaped out of high conductivity electrolytic aluminium conductor and shall be liberal sized. The control wiring of the panel will be done with PVC flexible copper wire terminating with a copper thimble & ferule crimped to the wire. The size of the panel shall be 2500 mm X 2400 mm x 350 mm Having 1 No MCCB 400 A 50 KA TP 415V along with spreader & handle as main incommer, 1 No.400 amp 3 Phase Change over, 3 No MCCB TP 100 Amp with spreader for 40 HP FASD starters3 Nos 40 HP FASD starters comprising ( 95/70 amp Contactors) Over load Relay 40-70 AMP,Motor protection Circuit BreakerAmp. Meter digital ,Type-3 phase, Volt Meter 3 phase 0-500V Digital Type, Push Buttons,CT of suitable ratio.,2 No DOL starters 5 HP with 63 Amp FP MCB,lighting and misc control chamber having 6 No SP MCB 32 amp and 2 No 32 amp DP MCB.120 KVAR Capacitor bank in 8 stages with suitable capacity capacitor duty contactors and 160 Amp MCCB as main.The panel shall have separate chamber for each operating unit with control wiring and seprate Metering chamber. Panel shall be wall mounted on MS angle iron frame with required civil and mechanical work required as per site requirements. The work shall be carried out using all safety precautions and safety as per guidelines. Make of Complete Panel :BCH/L&T/Havells/KEC/DJB Approved

Providing & Fixing of isolating LT changeover with SS enclosure of 400 amp 4 pole rating on wall with required civil work for grouting the same. Make; BCH/L&T/Havells/KEC/DJB Approved

Dismantling of old panel with gas cutter and welding machine from site after disconnecting its incoming and outgoing connections and dumping it at a suitable place as per directions of Engineer in charge

Supply of 25 sqmm single core flexible copper conductor cable for Motors. Make ( Havells/ Grandlay/ Gloster/ Polycab/National)

Laying and dressing of 25 sqmm single core copper cable from LT panel starters to LT motors in recess but covered in PVC ducts and making its connections with copper thimbles, cotton tapes etc as required.

Supply and laying of 10mm 3 core flexible copper cable from LT panel to Charging & Dewatering Pump set and making its connections as required

Supply and Lying of LT Aluminium conductor 95 sq mm 3.5 core armoured cable 1100 volts ( approx 25 Mtr) from Energy Meter to Isolating Changeover panel and from Isolating change over panel to New LT panel on surface including making all the connections with BSES Meter, changeover and New LT Panel with proper thimbles, gland tapes etc.

Testing and commissioning of complete system on Full Load and No Load

DEEPAK ENTERPRISES

Premier Engineering Company