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NO: E-29021|61345|2022|Electrical(HQ) Dhanbad, Date: 23/11/2022
DGMS APPROVAL NO.512 of 2004
From
Chief Inspector of Mines &
Director General of Mines Safety
Directorate General of Mines Safety,
P.O & Distt: Dhanbad - 826 016.
To
Mr. JOYDIP CHAKRABORTY, M/s. ELECTROTEKNICA ENGINEERING PVT.LTD. 1/5B, RAJA BASANTA ROY ROAD, KOLKATA-700026,
West Bengal
Subject: Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for flameproof drill control panel rated at 1.5/2.5 KVA, 550/110/125 V, type-ET/DCP intrinsically safe Pilot Core circuit of approval No. 512 of 2004, manufactured by M/s. Electroteknica, Engineering Pvt. Ltd., Kolkata, for use in belowground Coal Mines– Renewal thereof.
Dear Sir,
Please refer to your online application No.E-29021/61345/2022/Electrical (HQ) dated 30.08.2022 on the above subject & test reports 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. 512 of 2004) granted vide this Directorate's letter No. 446/642/EHQ dated 22.03.2004 for a further period of five years, i.e. up to 22.03.2027 for use in belowground Coal Mines. 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 this 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 the approval.
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