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NO: E-29021|62146|2024|Electrical(HQ) Dhanbad, Date: 05/03/2025
DGMS Approval No. 441 of 1995 (Renewal)
From
Director General of Mines Safety
Directorate General of Mines Safety,
P.O & Distt: Dhanbad - 826 016.
To
NANDINI CHAKRAVARTY, Mine Line Pvt. Ltd., 23, INDRANI PARK
West Bengal, KOLKATA, KOLKATA, 700033
Subject:- Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for flameproof Belt Speed Switch, Type: BSS 65 rated at 220 V AC manufactured by M/s. Mine Line Pvt. Ltd., Kolkata conforming to IS/IEC 60079-0:2017 and IS/IEC 60079-1:2014 for use in belowground Coal Mines in India – Renewal thereof.
Sir,
Please refer to your online application no. E-29021/62146/2024/Electrical (HQ) dated 05/12/2024 on the above subject and test report no. IN/CIMFR/TR20/H89, dated 28/08/2020, and Letter No. CIMFR/FES/Cons./22-23/242 dated 21/06/2022 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. 441 of 1995) granted vide this Directorate's letter No. vide letter no. 333/1286/EHQ, Dhanbad, dated 24.05.2007, for a further period of five years, i.e., up to 04/01/2030, for use in belowground Coal Mines in India. 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 standards, shall be submitted within three months, if not submitted before.
Please note that application for renewal should be made at least three (03) months before the date of expiry of the approval.
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