NO: E-29021|61865|2024|Electrical(HQ)                                                                                   Dhanbad, Date: 21.06.2024

                                                   DGMS APPROVAL NO.- 689 of 2014(Renewal approval)

From

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

To

PRASENJIT MAITY, Joy Global (UK) Limited, JOY GLOBAL (UK) LIMITED 4 SWANWICK COURT ALFRETON DERBYSHIRE - DE55 7AS
Derbyshire, ALFRETON, ALFRETON, 0

Subject-Approval under Regulation 208(3) of the Coal Mines Regulations, 2017 for Flameproof, weatherproof and intrinsically Safe Electrical apparatus as detailed in Annexure-A conforming to IS/IEC 60079-0:2017, IS/IEC 60079-1:2014 and IS/IEC 60079-11:2011 associated with Quad Bolter machine, manufactured by M/s. Joy Global (UK) Ltd for use in belowground Coal Mines – Renewal thereof.

Sir,

Please refer to your online application No. E-29021/61865/2024/Electrical (HQ) dated 24.01.2024 on the above subject and 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. 689 of 2014) granted vide this Directorate's letter No. 483/1907/EHQ dated 31.12.2014 for a further period of two years, i.e. up to 31.12.2025 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 approval, conforming to the latest testing standards, shall be submitted within three months, if not submitted before. The OEM guidelines shall be adhered to and spares, supplied by OEM shall only be used in the interest of safety. 

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