NIT NO. 10, ITEM NO.01 (2022-23)

SITC of HT Panel Board at Patel Road BPS by dismantling of old panel and carrying out the following:- Supply of HT panel board, indoor type rating 800Amp., breaking capacity 25KA and suitable for operation on 11 KV, 3 Phase, 50 Hz system with all necessary protection, metering, indication and other accessories as required. (2 incomer + 1 bus coupler +2 outgoing as per following details. a) 230V AC Motorized Mechanism, b) Bus bars with PVC Sleeve 800 Amp c) Color coded Wiring, d) Degree of Protection - IP4X e) Paint Shade - RAL7032 as per IS (Inside, Outside), f) Shunt Trip/Close coils - 24 VDC, g) Warning plates, h) Aux. Contactor - 4 NO + 4 NC i) Earthing – GI, j) CT/PT Wiring - 2.5 Sq. mm , All Other wiring - 2.5 Sq. mm, k) POXY RESIN CAST P.T., l) 3Ph , D/O TYPE, 11KV/Sqrt.3/ 110V/Sqrt.3 , Class-1, Burden - 100VA, m) EPOXY RESIN CAST , 1-Ph CT, n) 100-50/5-5A , Cl-1/5P10,Burden- 15VA, o) 200-100/5-5A, Cl -1/5P10, Burden - 15VA, p) Digital Volt meter with VSS q) Digital Amp. meter with VSS, r) INDICATING LAMPS LED TYPE, BREAKER ON – Red, BREAKER OFF – GREEN, AUTO TRIP INDICATION – Amber, TRIP CIRCUIT Healthy – CLEAR, SPRING Charged – Blue, RYB Indication., s) ACCESSORIES Push Button for trip circuit healthy check, Emergency Trip Button, Local Remote Switch, Trip Neutral Close Switch, Panel Space Heater with Thermostat & switch, Panel illumination Lamp with Switch, Door Operated Switch, Timer, 8 window Annunciation with hooter., t) RELAYS Numerical Non Communicable Non draw out type with 50/50N/51/51N Protection Model- CGI14N of CGL Make, Master Trip Relay, Auxiliary Relay for Transformer Fault The panel shall be indoor type, having the incoming sectionalization and outgoing switchgears as per IS13118:1981 of VaccumCircuit Breaker (VCB), IEC 62271-100 for breakers and -200 for panels/ IS : 3427 of switch boards. The degree of enclosure protection shall be IP-4X Make: - Crompton/ABB/Kirloskar/Siemens

Providing and Fixing of Chemical Earthing.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Dismantling of old HT panels from site with the help of gas cutter and allied work & shifting the same in Store

Installation by making necessary arrangements Base frame/foundation for fixing of panel and making end termination of the cable including replacing End Jointing Kits of the suitable size.

Packing /forwarding & cartage up to site including loading & unloading.

Testing & commissioning of installed equipment’s, as per required parameters with relevant IS .testing of the panel prior to switching on as follow i)Continuity and earth testing ii) Meggering of all equipment’s for phase to phase, neutral to body, neutral to earth and phase to earth. iii)checking for all tightness of nut and bolts iv) On load testing with engineer in charge

Avon Electricals

HYBRID ENGINEERING SYSTEMS