NIT No-05 EE (SDW) II/ (20-21) Item No. 8

Automatically operated star delta panel 415 V, 50 Hz, 3 phase, 50 Hz, 40HP heavy duty double contact with 1 No. U/V release, 3 Nos. Overload coil with single phase preventer, indicating light, metering, MCCB 160 amp TP for incomer with copper extension link for incoming and outgoing cable connection with motor and starter enclosure with canopy made out of 14 SWG 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 with IP 54 protection. The bus bar of the panel will be shaped out of high conductivity, electrolytic conductor and shall be liberal sized. The bus-bar support insulator will be made of materials such as SMC/DMC. The bus bar will be covered with heat shrinkable PVC sleeve throughout in red, yellow & blue color to identify three phases & black for neutral. The bus-bar support insulator made of non-deteriorating, vermin proof, non hygroscopic materials such as SMC/DMC. Make of Starter:- L&T, Siemens, Bentex. Make of MCCB:- L&T, Siemens, C&S.

PVC Insulated copper flexible single core cable 25 sq mm. Make:- Havells/Universal/Grandlay/ICC

Dismantling of old damaged structure/enclosure at site by removing cable connection and shifting the same. Fixing/grouting of the MS angle stand and enclosure at site at convenient height to operate suitably by welding or nut bolts as required at site with necessary civil work. Fitting of the starter panel on MS angle stand through welding or nut bolt as per site requirement, making cable connection with thimble, tapping etc re-dressing of cable wherever required.

Testing & Commissioning of the Starter Panel and installed equipments, setting of relay, as per required parameters with relevant IS. Testing of the panel prior to switching on as follows:- i) Continuity and earth testing, ii) Meggering of all equipments for phase to phase, neutral to body, neutral to earth and phase to earth., iii) Checking for all tightness of nut & bolts, iv) alignment of doors etc., v) Interlocking tests, vi) All Function tests

Premier Engineering Company

HYDROCON ENGINEERS