NO: E-29021|30635|2020|Electrical(HQ) Dhanbad, Date: 16.02.2021
Chief Inspector of Mines &
Director General of Mines Safety
Directorate General of Mines Safety, Dhanbad - 826 016.
Shri Joydip Chakraborty - Managing Director
M/s. Electroteknica Engineering Pvt. Ltd.,
1/5 B, Rajabasanta Roy Road, Kolkata -700026.
Sub: Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for Flameproof Gate End Box with Vacuum Circuit Breaker and Plug & Socket Assembly, rated at 1.1 KV, 300 A, model-FCB having intrinsically safe pilot core circuit manufactured by M/s. Electroteknica Engineering Pvt. Ltd, Kolkata conforming to IS/IEC 60079-1:2007, IS/IEC 60079-11:2006 and is/iec 60079-0:2004 for use in belowground Coal Mines – Renewal thereof.
Please refer to your online application No. E-29021/30635/2020/Electrical (HQ) dated 04.11.2020, offline application No. EEPL/GEB-REN/JC dated 12.10.2020 on the above subject and CIMFR test report nos. CIMFR/TC/SR/H138 dated 29.05.2013, CIMFR/TC/P/H127 dated 03.06.2014 & CIMFR/TC/P/H292 dated 19.07.2013, BIS License No. CM/L– 5203645 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. 590 of 2009) granted vide this Directorate's letter No. 446/3081/EHQ dated 23.12.2009 for a further period of five years, i.e. up to 23.12.2025 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.