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NO: E-29021|51119|2022|Electrical(HQ) Dhanbad, Date: 05.04.2022
DGMS APPROVAL NO.688 of 2014
From
Chief Inspector of Mines &
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
, ALFRETON, , 0
Subject: DGMS approval No.688 of 2014 under Regulation 208(3) of the Coal Mines Regulations, 2017 for flameproof, weatherproof and intrinsically safe electrical equipment (as mentioned in Annexure-A) conforming to IS/IEC 60079-0 : 2017, IS/IEC 60079-1 : 2014, IS/IEC 60079-11 : 2011 associated with Feeder Breaker manufactured by M/s Joy Global (UK) Ltd.. for use with Continuous Miner in belowground coal mines in India – Renewal thereof.
Sir,
Please refer to your online application No. E-29021/51119/2022/Electrical (HQ) dated 08.02.2022 on the above subject & test report nos. as per Annexure-A 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. 688 of 2014) granted vide this Directorate's letter No. 483/1906/EHQ dated 31.12.2014 for a further period of two years, i.e. up to 31.12.2023 for use in belowground Coal Mines. The conditions mentioned in the original approval and subsequent renewal letters, if any, shall be strictly complied with.
Please note that application for renewal should be made at least three (03) months before the date of expiry of the approval.
Your Faithfully,
(Prabhat Kumar)
Chief Inspector of Mines &
Director General of Mines Safety
Directorate General of Mines Safety, Dhanbad
Encl.: Annexure-A
ANNEXURE-A
List of flameproof and intrinsically safe electricals to be associated with Feeder Breaker manufactured by M/s. Joy Global (UK) Ltd. vide DGMS approval no. 688 of 2014.
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Sl. No.
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Description of FLP/WP electrical equipment/cables
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Manufacturer (M/S)
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DGMS Approval no./Test Certificates No.
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1.
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Flameproof air cooled induction motor rated at 125 KW, 1100 V, 50 Hz, 3 phase, 4 pole, H class, CI construction, model no. 10EB440J conforming to IS/IEC 60079-1:2007, IS/IEC 60079-0:2004
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Baldor
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CIMFR/TC/P/H644
dated 31.12.2012
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2.
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Flameproof connection/switch box rated at 240 V, 250 VA (max.), MS, model no. MA 001012-0018 conforming to IS/IEC 60079-1:2007, IS/IEC 60079-0:2004
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Joy
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ERTL(E)/TES/J057/0053/ 09-12 dated 10.10.2012
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3.
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FLP/IS Power Supply rated at 110/230 V AC, 12 V DC, 0.5 A, , model TX6626 Series (12Vdc) conforming MS to IS/IEC 60079-1:2007, IS/IEC 60079-0:2004 and IS/IEC 60079-11:2006
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Trolex
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CIMFR/TC/P/H731
dated 06.02.2013
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4.
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Programmable Sensor Controller rated at Ui=16.5 VDC(max.), model no. TX9042 conforming to IS/IEC 60079-11:2006, IS/IEC 60529-200, IS/IEC 60079-0:2004
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Trolex
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CIMFR/TC/P/H674
dated 10.01.2013
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5.
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Flameproof fluorescent light rated at 240/120 V, 58/18 W, Zinc alloy, model no. 41L Comp. with Plug LP4A conforming to IS/IEC 60079-1:2007, IS/IEC 60079-0:2004
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Victor
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CIMFR/TC/P/H634
dated 26.11.2013
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6.
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Flameproof restrained type plug and socket, model no. DV/R/PS-1 rated at 200 A, 550/1100 V, 3 phase, 50 Hz conforming to IS/IEC 60079-1:2007, IS/IEC 60079-0:2004 for use in belowground Coal Mines
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Mine Line Pvt. Ltd., Kolkata
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DGMS approval no. 298 Group-I of 1989
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