NO: E-29021|61918|2024|Electrical(HQ)                                                                                                                                                                                                                                                                                                                                                                                         Dhanbad, Date: 16.08.2024

DGMS Approval No. 794 of 2022 (Renewal approval)

From

Director General of Mines Safety
Directorate General of Mines Safety,
P.O & Distt: Dhanbad - 826 016.

To

MADHUMITA MAJI, SPEED INDIA, BALITIKURI SURKIMILL HOWRAH 711113
West Bengal, HOWRAH , HAORA, 711113

Subject: Approval under Regulation 208(3) of the Coal Mines Regulations, 2017 for flameproof/weatherproof Pull CordSwitch rated up to 12V, Type LOS-001 in Cast Iron FG 200 Material Construction, manufactured by M/s. Speed India,Howrah conforming to IS/IEC 60079-1:2014 and IS/IEC 60079-0:2017 for use in belowground Coal Mines.- Renewal thereof. 

Ref No-: Test report No-  IN/CIMFR/TR21R/H 348 dated: 22/01/2021 and the CIMFR certified drawing no. SPI-LOS-20-001.

Sir,

Please refer to your online application No. E-29021/61918/2024/Electrical (HQ) dated 18/05/2024 on the above subject and test reports and other relevant documents submitted therewith in this regard.

I, in the exercise of powers conferred upon the 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. 794 of 2022) granted renewal vide this Directorate's letter No.E-29021/51243/2022/  /EHQ, Dhanbad, dated: 16/08/2022 for a further period of two years, i.e. up to 16/08/2026 for use in belowground Coal Mines.

In the interest of safety, the OEM guidelines shall be adhered to and spares, supplied by OEM shall only be used while maintaining the machine/Equipment. The conditions mentioned in the original approval and subsequent renewal letters, if any, shall be strictly complied with and the test reports of all the electrical items covered under approval, conforming to the latest testing standards, shall be submitted within three months, if not submitted before.

The application for renewal should be made at least three (03) months before the date of expiry of this approval.