NIT No. 11 (21-22) Item No. 1

Dismantling of old ACB & other accessories from existing Panel ,removing of all cable connection after taking shut down with help of gas cutter,heav labor ec.

Dismantling of old 400/300 amp MCCB from the panel removing of cale connection etc with help of tools and manual labour.

Supply of MCCB 300Amp. 36 KA breaking capacity, 3pole 415V with spreader & handle high breaking capacity Make: L&T/Siemens/Schineder/ Havells

Supply of MCCB 400Amp. 50 KA breaking capacity, 3pole 415V with spreader & handle high breaking capacity Make: L&T/Siemens/Schineder/ Havells

Supply of Under voltage trip device (UVT) for above ACBs. Make: Schneider/L&T/Siemens/ Havells

Supply of Indicating Lamp R.Y.B. color as per requirement. Make: Havells/L&T

Supply of 3Phase over current & earth fault relay with high set 220V as per requirement Make L&T/Havells

Supply of Motor Protection Relay with protection of overload, earth fault, locked rotor, single phasing, current unbalance, phase sequence reversal,,under current.MakeL&T/Siemens/ Havells

Supply of Electrolytic grade main bus bar, links bends as required of electrical grade conductivity current carrying capacity 1000Amp for retrofitting of ACB in existing feeder.

Supply of Digital Amp. meter with wiring in 1.5sq mm copper wire & ferrule Make: L&T/AE/ Havells

Supply of Digital Volt meter with wiring in 1.5sq mm copper wire & ferrule Make: L&T/AE/ Havells

Fixing and making connection of bus bar of 800Amp ACB links, bends, aluminum bus bar will be of electrolytic grade 55% conductivity or as per relevant IS having sufficient cross section area insulated with heat shrinkable PVC sleeve in phase color identification. The bus bar support insulator shall be of class F insulation made out of non-hygroscopic material as SMC/DMC. All hard ware for connection/joints shall be in high tensile.

Arrangement of incoming/outgoing cable termination by providing & fixing of terminal link of current carrying capacity 800 Amp. With phase separator in sheet. Removable cable gland plate to be provided for each cable entry with gland. Making connection of both incoming & outgoing side as required with proper insulation.

Fixing of the ACB 800Amp. in the existing LT Panel Board including providing & fabrication & fixing of the base frames of suitable sizes for ACBs in the chamber. Modification in panel door. Re-fixing of existing all the measuring instruments, CT's, lamps, 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 and calibration of the new relay in panel, complete control wiring, thimbling etc. setting, testing on load at site

Fixing of new MCCB in existing panel, feeder modification, providing /fixing of base frame for fitting of new MCCB with hard wares, channel etc.

Fixing /cleaning of Bus bar, links, bends duly sleeved with heat shrinkable sleeve, terminal link for both incoming & out going side for cable connection in 02 nos. MCCB 300Amp. 01 no. MCCB 400Amp Current carrying capacityThe work also includes replacement of thimble of cable ,tapping and making connection with MCCB

Servicing, over hauling of complete panel ,dust blowing, cleaning of contacts by CRC oiling ,greasing of movable parts, replacement of damaged springs, hardware's, supports ,insulators etc in main LT panel enamel paint of complete panel with reputed make

Testing & commissioning of the installed equipments, testing of the panel prior to switching on as follow: -i) Continuity and earth testing ii) Meggaring of all equipments for phase to phase, neutral to body, neutral to earth and phase to earth. iii) Checking for all tightness of nut and bolts iv) Alignments of doors etc. v) Interlocking tests. vi) All function testsincluding cartage, loading, unloading, includes other sundry items like neoprene gasket, joints, oxidizing grease nut bolts,washers and other items which are useful and necessary for proper assembling and efficient working of the ACB, with adequate provision for safety measures during execution of work etc. wherever necessary so as to avoid accident.

Naman Enterprises

M/s Vipin Enterprises

DEEPAK ENTERPRISES

Goodwill Enterprises