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NO: E-29021|30768|2021|Electrical(HQ) Dhanbad, Date: 12/05/2021
From
Chief Inspector of Mines &
Director General of Mines Safety
Directorate General of Mines Safety,
Dhanbad - 826 016.
To
REINHARD REINARTZ,
M/s. Sandvik Underground Mining Flameproof Equipment,
431 Masonite Road, Heatherbrae,
NSW 2324, Australia.
Sub: Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for Flameproof and intrinsically Safe Electrical Equipment to be associated with Sandvik Twin Boom Mobile Bolter, Type-DM-110 (as mentioned in Annexure-A) manufactured by M/s. Sandvik Underground Mining Flameproof Equipment, Australia for use in belowground Coal Mines – Renewal thereof.
Sir,
Please refer to your online application No. E-29021/30768/2021/Electrical (HQ) dated 11.03.2021 and offline application No. SAPL/DHN/DGMS/2021/10/01 dated 15.03.2021 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. 711 of 2016) granted vide this Directorate's letter No. 608/1036/EHQ dated 19.05.2016 for a further period of two years, i.e. up to 19.05.2023 for use in belowground Coal Mines. The conditions mentioned in the original approval and subsequent renewal letters 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.
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Yours faithfully
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(PRABHAT KUMAR)
Chief Inspector of Mines &
Director General of Mines Safety
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Enclosure: Annexure-A.
ANNEXURE-A
List of Flameproof and Intrinsically safe electrical equipment associated with Sandvik Twin Boom Mobile Bolter, Type-DM-110 manufactured by M/s. Sandvik Underground Mining Flameproof Equipment, Australia.
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Sl. No
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Description of the apparatus
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Name of the Manufacturer
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Test Certificate No. And date
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IS/IEC Standard as per test certificate / Approval
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1.
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Flameproof and weatherproof INDUCTION MOTOR, in fabricated mild Steel construction as designated by Type No 24SET07 & Model 225 S/M rated at 45kW, 3 phase,1100 Volt, 50 Hz, 4 Pole, 1485 rpm, IP55 Air cooled
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WEG S.A
Brazil.
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CIMFR_TC_P_H710
Dated 30-01-13
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IS/IEC 60079-0:2004
IS/IEC 60079-1: 2007
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2.
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Flameproof and weatherproof ROTARY TRANSFORMEER (CABLE REEL) in fabricated mild Steel construction as designated by Type No BTT200 rated at 100A, 3 phase,1140 Volt, 50 Hz, 120rpm, IP54
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BARTEC, Germany.
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ERTL(E)-TES-S528-0034-09
-12 Dated 27-09-12
ERTL(E)/TES/S528/0005/06-10, Dated 22-06-10
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IS/IEC 60079-0:2004
IS/IEC 60079-1: 2007
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3.
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Flameproof and weatherproof ELECTRICAL ENCLOSURE, in fabricated mild Steel construction as designated by Type No SME-Exd 13 rated at 160A, 3 phase,1100 Volt, 50 Hz, IP55,
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Sandvik, Australia
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CIMFR_TC_P_H310
Dated 30-07-13
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to IS/IEC 60079-0:2004
IS/IEC 60079-1: 2007
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4.
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Flameproof and weatherproof MINI LIGHT in fabricated mild Steel construction as designated by Type No S312 rated at 30/35/50 W 12/24 Volt DC, IP65,
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HYTRONIC, South Aftrica
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ERTL-E-TES-S591-0022-05-12
Dated: 13.06.2012
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IS/IEC 60079-0:2004
IS/IEC 60079-1: 2007
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5.
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Flameproof and weatherproof SIREN in fabricated mild Steel construction as designated by Type No HSHC rated at 12/24V DC , IP64
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HYTRONIC, South Aftrica
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ERTL(E)-TES-S591-0025-05-12 Dated 13-06-12
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IS/IEC 60079-0:2004
IS/IEC 60079-1: 2007
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6.
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Flameproof and weatherproof ROTATING LIGHT BEACON in fabricated mild Steel construction as designated by Type No HFRL rated at 12/24V DC , IP54,
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HYTRONIC, South Aftrica
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ERTL(E)-TES-S591-0024-05-12 Dated 13-06-12
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IS/IEC 60079-0:2004
IS/IEC 60079-1: 2007
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7.
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Flameproof and weatherproof EMERGENCY STOP STATION in fabricated mild Steel construction as designated by Type No HMHES rated at upto 220V AC , IP54,
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HYTRONIC, South Aftrica
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ERTL(E)-TES-S591-0002-07-12 Dated 04-07-12
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IS/IEC 60079-0:2004
IS/IEC 60079-1: 2007
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8.
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Intrinsically Safe POWER SUPPLY designated by Type No iNTA43A rated I/p- 42/ 230 V AC at 50Hz, O/p- 12VDC,1.5A
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TIFENBACH GmbH.
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ERTL(E)-TES-S28-0005-02-13 Dated 06-06-13
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IS/IEC 60079-0:2004
IS/IEC 60079-11: 2006
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9.
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Intrinsically Safe SWITCH AMPLIFIER designated by Type No KFD2-SRA-EX4 rated Um=40V, Uo=10V, Io=14mA, Po=35mW
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Pepperl & Fuchs
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ERTL(E)-TES-P289-0062-07-12 Dated 22-04-13
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IS/IEC 60079-0:2004
IS/IEC 60079-11: 2006
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10.
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Intrinsically Safe SWITCH AMPLIFIER designated by Type No KFA*-SR2-Ex*.* rated Um=235/126.5V, Uo=10.6V, Io=19.1mA, Po=51mW
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Pepperl & Fuchs
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ERTL(E)-TES-P289-0061-07-12 Dated 15-05-13
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IS/IEC 60079-0:2004
IS/IEC 60079-11: 2006
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11.
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Intrinsically Safe FLAMMABLE GAS SENSOR designated by Type No STX3261 rated Ui= 14.4V
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Trolex
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ERTL(E)-TES-T238-0063-11-12 Dated 12-03-13
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IS/IEC 60079-0:2004
IS/IEC 60079-11: 2006
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12.
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Intrinsically Safe TRIP AMPLIFIER designated by Type No TX9131 rated Ui= 16.5V
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Trolex
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ERTL(E)-TES-T238-0002-12-12 Dated 12-03-13
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IS/IEC 60079-0:2004
IS/IEC 60079-11: 2006
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