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NO: E-29021|61588|2023|Electrical(HQ) Dhanbad, Date: 04/08/2023
DGMS APPROVAL NO.724 OF 2017
From
Director General of Mines Safety
Directorate General of Mines Safety,
P.O & Distt: Dhanbad - 826 016.
To
Mr. PRASENJIT MAITY, M/s.JOY GLOBAL (UK) LIMITED 4 SWANWICK COURT ALFRETON DERBYSHIRE - DE55 7AS
Derbyshire, ALFRETON, 0
Subject: Approval under Regulation 208(3) of the Coal Mines Regulations, 2017 for Flameproof and Intrinsically safe electrical equipment (as mentioned in Annexure-B) associated with twin boom Bolter, Model: CHDDR-HDDR of the Approval No. 724 of 2017, manufactured by M/s. Joy Global (UK) Ltd. for use in belowground coal mines in India - Renewal thereof.
Sir,
Please refer to your online application No. E-29021/61588/2023/Electrical (HQ) dated 25.05.2023 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 ( Approval No. 724 of 2017) granted vide this Directorate's letter No. 483/455/EHQ dated 09.03.2017 for a further period of two years, i.e. up to 09.03.2024 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 applicable testing standards, shall be submitted within three months, if not submitted earlier.
The application for renewal should be made at least three (03) months before the date of expiry of the approval.
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