Bharat Coking Coal Limited
BHARAT COKING COAL LIMITED (A Subsidiary of Coal India Ltd) EXCAVATION WORKSHOP: SINIDIH (ISO 9001: 2008, ISO 14001: 2004 & OHSAS18001:2007 certified) P.O.TUNDOO, DIST. DHANBAD PIN - 828128 Phone: 0326-2392114 JHARKHAND REF NO:-BCCL/EXCV/SWS/ 2013-14/299 DATE:- 24/25-06-2013 LIMITED TENDER SPEED POST To, 1) M/s Biecco Lawrie Ltd, 2) M/s Bharat Heavy Electricals Ltd, 6, Mayurbhanj Road, Electrical Machine Repair Plant, KOLKATA – 700 023 Plot No – D1, Cross Road ‘C’, Road No –16 MIDC, Andheri (East), MUMBAI – 400 093 Sub: -- Quotation for rewinding / overhauling 02nos. 220KW, 3.3KV AC SQ CAGE INDUCTION MOTOR of CK-300(E) shovel and replacement of rotor bars, make- NGEF, Sl. No.-19806400( H. No. 1134) & Sl. No.-11810603( H. No. 1135). Dear Sir, Sealed quotations in single bid (techno-commercial & price bid in one envelope) are invited from you for the following jobs as given below. Sl.No. Items Quantity 01. Rewinding of 220KW, 3.3KV AC SQ CAGE INDUCTION MOTOR 01 No. of CK-300(E) shovel with new stator coil and replacement of complete rotor bars, make-NGEF, Sl. No.-19806400( H. No. 1134). 02. R ewinding of 220KW, 3.3KV AC SQ CAGE INDUCTION MOTOR 01 No. of CK-300(E) shovel with new stator coil and replacement of complete rotor bars, make-NGEF, Sl. No.-11810603( H. No. 1135). SPECIFICATION FOR BOTH MOTORS:- NGEF Make KW – 220, RPM-1480, VOLT- 3300 volt AC, 3 phase ,50 HZ, AMP – 50Amp, Insulation Class – F, Bearing No - NU322/C3 (DE) & 6319(NDE) Contd……………P/2 PAGE - 2 JOB REQUIREMENTS: (For both motors) NGEF Make Motors Stator i)Core lamination checking with FLUX LOOP test of the stator core to be done, ii) Rewinding of stator with new coil of class- F insulation as per insulation scheme & size of original coil, iii) Slot liner if used, to be of nomex or equivalent only, iv) Class - F varnish / insulating paints of Dr.
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