NIT NO. 22 ITEM NO. 08

Supply of LT Distribution panel sheet steel enclosure made out of 2mm CRCA sheet totally enclosed, powder coated free standing, floor mounted type, dust& vermin proof, outward opening, lockable doors having hidden hinges and a bolted back cover both using non-deteriorating neoprene rubber gaskets to provide IP-54 protection, each part of the fabricated panel will be strictly subjected to seven tank treatment. The various components, assemblies and sub equipment’s of the panel will be as per standard given in relevant IS. The bus bar of the panel will be shaped out of high conductivity, electrolytic conductor and shall be liberal sized in aluminum. The control wiring of the panel will be done with PVC flexible copper wires of 1.5mm cross section. Each wire will be terminating with a ferule crimped to the wire, size 1600MM x1800x375MM. Having following components of approved make.

MCCB 415V, Four pole. High breaking capacity 50KA 50Hz,200Amp with spreader and Extended Handle- Make L&T/Siemens/ Schnider/DJB Approved

MCCB 415V, TP 3phase 36KA 50Hz,100Amp with spreader and Extended Handle - Make L&T/Siemens/ Schnider/DJB Approved

MCB Single pole 6Amp. Make L&T/Siemens/ Schnider/DJB Approved

MCB Triple pole 32Amp Make L&T/Siemens/ Schnider/DJB Approved

PVC insulated copper flexible cable single core 25 sq.mm Make: Havells/Gloster/DJB Approved

Over load relay 30-50A Make: L&T/Siemens/ Schnider/DJB Approved

Amp. Meter Digital with ASS Make AE/L&T/ Schnider/DJB Approved

Volt Meter Digital with VSS Make AE/L&T/ Schnider/DJB Approved

Motor protection Relay with Thermal over load, short circuit, earth fault, Phase loss, phase unbalance, phase reversal , under current & locked rotor protection Make: L&T/Siemens/ Schnider/DJB Approved

Power contactor Three phase 200Amp. With 1NO+1NC Make L&T/Siemens/ Schnider/DJB Approved

Power contactor 220V 3phase 70Amp.With 1NO+1NC Make L&T/Siemens/ Schnider/DJB Approved

Power contactor 220V 3phase50Amp.With 1NO+1NC Make L&T/Siemens/ Schnider/DJB Approved

Star delta timer on delay Make: L&T/Siemens/ Schnider/DJB Approved

On Delay Timer Make: L&T/Siemens/ Schnider/DJB Approved

Phase Sequence Relay Make: L&T/Siemens/ Schnider/DJB Approved

Indicating lights LED type RYB & On/OFF Make : L&T /Schnider/Siemens/DJB Approved

Push Button for start (Green Colour)/Stop (Red Colour) Make : L&T /Schnider/Siemens/DJB Approved

Current Transformer200/5 Make AE /Saviour/Siemens/DJB Approved

Current Transformer100/5, Make AE /Saviour/Siemens/DJB Approved

Supply of Insulating Rubber Mats for Floor for Safety Purpose Size- 2 mtr*1 mtr*10 mm Black/Red/Blue Plain Chequered confirming to IS 5424:1969

Supply of Flexible Spiral-reinforced PVC Conduit of suitable size for 25 sq. mm single core cable.

Providing and fixing 25 mm*05 mm G.I. strip on surface or in recess for connections etc. as required

Providing & Fixing of Fire Fighting equipment Co2 type Fire Extinguishers ISI Marked Conforming to IS15683, Complete with Delivery hose horn, wheel type release valve locking arrangement, operation manual and bracket, operating Temperature -30 degree Celsius to +60 degree Celsius of 02 Kg. Make Life Guard/DJB approved

Making of all sefety arrangement i.e. Safety Belt, gum boots, helmet, Gloves etc for all work

Dismantling of old panel connections from Supply meter/ Main Switch/Change Over/Starter /Motor & shifting the same to JE Store as per Engineer in charge,where required. including all loading/unloading/freight/cartage charges of Old materials.

Installation of the panel at site by making foundation, termination of cable both incoming & out going side , including cable connections to the motors and supply mains taking cable inside Flexible Spiral-reinforced PVC Conduit. This includes cartage, loading& unloading etc.

Earthing made for LT distribution Panel with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. (but without charcoal/ coke and salt ) as per site requirements.

Testing and Commissioning of the all installed component in LT Panel and setting of with relevent and required IS standards and Testing of LT Panel prior to and after switching on as follow:-A. Check equipments specifications.B. Continuity and ear thing.C. MCCB mechanism and alignment.D. Meggaring of all equipments for phase to phase, neutral to body, neutral to earth and phase to earth.E. Test of all functionsF. Checking of all tightness of nuts and bolts.G. Setting of relay/delays parameters to achieve smooth functioning.H. Alignment of doors etc.I. Interlocking tests. As per the satisfaction of the engineer in charge

Gupta Brothers

Super System Engineers

Premier Engineering Company