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NO: E-29021|51251|2022|Electrical(HQ) Dhanbad, Date: 01/07/2022
DGMS APPROVAL NO.501 of 2003
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:Approval under Regulation 208(3) of the Coal Mines Regulations, 2017 for flameproof and intrinsically safe electricals and other mechanical items of DGMS approval No-501 of 2003 (as mentioned in Annexure-B) associated with Continuous Miner Model No.12CM15-10D 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-29021/51251/2022/Electrical (HQ) dated 25.05.2022 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. 501 of 2003) granted vide this Directorate's letter No. 483/2181/EHQ dated 09.12.2003 for a further period of two years, i.e. up to 09.12.2023 for use in belowground Coal Mines. The conditions mentioned in the original approval and subsequent renewal letters, if any, shall be strictly complied with and the test reports of all the electrical items covered under approval, conforming to the latest 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.
Your Faithfully,
(Prabhat Kumar)
Chief Inspector of Mines,
Directorate General of Mines Safety
Encl.:Annexture B
ANNEXURE-B
Details of flameproof and intrinsically safe electricals and other mechanical items associated with Continuous Miner Model No.12CM15-10D manufactured by M/s. Joy Global (UK) for use in belowground Coal Mines in India vide DGMS approval no. 501 of 2003 issued vide Directorate’s letter no. 483/2181/EHQ dated 09.12.2003.
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Sl. No.
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Details of FLP, IS Electrticals & Mechanical Components
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Manufacturer’s name (M/S)
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1
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FLP JNA enclosure with Lens and control and monitoring equipment rated at 110 V, 250 VA
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Joy Global (UK) Ltd.
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2
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FLP Shuttle Car controller rated at 1100 V
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Joy Global (UK) Ltd.
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3.
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Continuous miner, Cutter motor Type 170 KW, 1100V
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Baldore electic cxompnay
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4.
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Shuttle car, AC traction motor 50 HP, 1100v, 1300 rmp
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Baldor electric company
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5.
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FLP haulage motor rated at 35 HP, 250 V
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Baldor electric company
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6.
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FLP foot switch rated at 120 V
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Joy Global (UK) Ltd.
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7.
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FLP Junction box rated at 1100 V
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Joy Global (UK) Ltd.
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8.
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FLP cable reeler rated at 110 A, 1100 V
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Joy Global (UK) Ltd.
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9.
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FLP fluorescent lighting fitting
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Victor, UK
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10.
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Programmable sensor controller type TX9042
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Trolex Ltd., UK
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11.
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Continuous Miner, pressure sensor type TX6114, 12 V DC
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Trolex Ltd., UK
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12.
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Continuous Miner, differential pressure sensor type TX6144, 0.1 to 16 bar, 12 V DC
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Trolex Ltd., UK
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13.
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Continuous Miner, Radio Receiver type RX1, 10 V DC
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Matric
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