From

Director General of Mines Safety &

Chief Inspector of Mines  
Directorate General of Mines Safety,
Dhanbad - 826 001.

 

To

 

JOYDIP CHAKRABORTY, electroteknica engineering pvt.lted., ELECTROTEKNICA ENGINEERING PVT.LTD. 1/5B, RAJA BASANTA ROY ROAD, KOLKATA700026
West Bengal, KOLKATA, KOLKATA, 700026

 

Sub:    Approval No. 490 of 2003 under Regulation 208 (3) of the Coal Mines Regulations, 2017 for Flameproof Air Circuit Breaker, type No. FACB-03 rated 440/550 V, 300 A conforming to IS/IEC 60079-1:2014 and IS/IEC 60079-0:2011 manufactured by M/s. Electroteknica Engineering Pvt. Ltd., Kolkata for use in belowground Coal Mines– Renewal thereof.

 

Sir,

 

Please refer to your online application No. E-29021/40974/2021/Electrical (HQ) dated 06.09.2021, offline application No. DGMS/REN/JC/490 dated 25.06.2021 on the above subject and CIMFR test report nos. IN/CIMFR/TR20/1661 dated 20.07.2020 and 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. 490 of 2003) granted vide this Directorate's letter No. 446/544/EHQ dated 07.04.2003 for a further period of five years, i.e. up to 07.04.2026 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.

 

Director General of Mines Safety &

Chief Inspector of Mines