NO: E-29021|30654|2020|Electrical(HQ) Dhanbad, Date: 14/12/2020
Chief Inspector of Mines &
Director General of Mines Safety
Directorate General of Mines Safety,
Dhanbad - 826 016.
Shri Salil Kumar- General Manager - Design & Dev. (Motors)
M/s. Bharat Bijlee Limited
No. 2, MIDC, Thane-Belapur Road
Opposite Airoli Railway Station, Navi Mumbai-400 708.
Sub: Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for flameproof fan cooled foot mounted squirrel cage induction motor rated at 75 KW, 550 V, 3 phase, 1470 RPM, 50 Hz in frame size-MJ280 S/M (IEC frame size-280 S/M) manufactured by M/s Bharat Bijlee Ltd., Navi Mumbai conforming to IS/IEC 60079-1:2007 and IS/IEC 60079-0:2004 for use in belowground Coal Mines – Renewal thereof.
Please refer to your online application No. E-29021/30654/2020/Electrical (HQ) dated 26/11/2020, offline application No. MTD/DGMS/MJ280/CM/2020 dated 28.10.2020 on the above subject and CIMFR test report No. CIMFR/TC/P/H813 dated 31.03.2011, BIS License No. CM/L- 0366749 and other documents submitted therewith in this regard.
I, in exercise of powers conferred upon Chief Inspector of Mines (also designated as Director General of Mines Safety) under Regulation 208(3) of the Coal Mines Regulations, 2017, hereby renew the approval (DGMS Approval No. 614 of 2010) granted vide this Directorate's letter No. 51/2733/EHQ dated 07.09.2010 for a further period of two years, i.e. up to 07.09.2022 for use in belowground Coal Mines. The conditions mentioned in the original approval and subsequent renewal letters shall be strictly complied with.
Please note that application for renewal should be made at least three (03) months before the date of expiry of the approval.