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NO: E-29021|41042|2021|Electrical(HQ) Dhanbad, Date: 15/12/2021
DGMS APPROVAL NO.787 of 2021
From
Director General of Mines Safety &
Chief Inspector of MInes
Directorate General of Mines Safety,
P.O & Distt: Dhanbad - 826 001.
To
DR. ING LARS PIERBURG, Eickhoff Bergbautechnik GmbH, AM EICKHOFFPARK 1 44789 BOCHUM
Land Nordrhein-Westfalen, BOCHUM, BOCHUM, 44789
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 Continuous Miner, Model: CM 2H-45, manufactured by M/s. Eickhoff Bergbautechnik GmbH, Germany, for use in belowground Coal Mines- Regular approval thereof.
Dear Sir,
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 and in reference to Field Trial approval No. FT_E_14 issued vide letter No. E-29021/20256/2019/Electrical(HQ) dated 10.02.2020, Test Report as per annexure-B and based on the performance report received from PVK-5 Incline Mine of M/s. Singareni Collieries Company Limited, hereby accord the approval (DGMS Approval No. 787 of 2021) for a period of five years, i.e. up to 15.12.2026 for use in belowground coal Mines with the condition mentioned in Annexure-A.
Please note that application for renewal should be made at least three (03) months before the date of expiry of the approval.
Yours Faithfully,
(Prabhat Kumar)
Chief Inspector of Mines &
Director General of Mines Safety
Enclosure: Annexure – A&B
Annexure-A
Conditions for 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 Continuous Miner, Model: CM 2H-45, manufactured by M/s. Eickhoff Bergbautechnik GmbH, Germany for use in belowground Coal Mines.
1. Every unit shall carry conspicuously in a permanent manner the aforesaid identification mark, i.e. ‘DGMS Approval No. 787 of 2021.
2. In addition, every unit shall also carry permanently this Directorate’s approval mark, as below:
3. (a)The design of the electrical circuit shall not be changed without obtaining prior approval from this Directorate.
4. (b) Conspicuous warning inscriptions against opening the cover of the main enclosure or of any apparatus which gives access to the flameproof enclosures on live parts or which is designed to receive cable attachment unless the supply to the unit is isolated at source, shall be affixed permanently on the respective part to ensure that all live parts within the unit are made dead and safe.
5. Spare parts shall be made readily available to the user as and when required for proper maintenance of the equipment.
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The customer shall be supplied the copy of this approval letter, the test report from the testing laboratory with the lab certified drawing , an extract of the condition & special conditions, maintenance schedule, if any, recommended by the testing laboratory in their test report(s) so as to maintain safety features of apparatus/equipment.
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The customer shall also be provided a copy of factory test report along with drawings, instruction manual on the installation, operation and maintenance of the equipment and spares parts catalogue at the time of delivery of the equipment.
6. The user shall furnish the performance report of the equipment directly to this Directorate after one (01) year of actual use.
7. While seeking renewal, valid BIS license in the case of Indian manufacturers and in case of foreign manufacturers, QAR/QAN, as may be applicable shall be submitted and the same shall remain valid as long as the apparatus is manufactured and marketed.
8. Any modification to the equipment that might be considered necessary at a later date shall be effected upon being so directed by this Directorate.
9. The high pressure hydraulic hoses supplied with the machine shall conformed to the standards and parameters as prescribed in the DGMS/Mech/Tech.Cir (Approval) No. 04, Dhanabd, dated 13.02.2015
10. The Fire Resistant Hydraulic Fluid supplied with the machine shall conform to the standards and parameters as prescribed in DGMS/Mech/Tech.Cir (Approval) No. 02, Dhanbad, dated 13.02.2015.
11. The cables connecting with Equipment shall conform to the provisions of the DGMS Tech. Circular (Electrical) No. 12 dated 25.05.2015 and corrigendum vide DGMS Tech. Circular (Electrical) Approval No. 01 dated 19.02.2016 in addition to the special requirement, if any, specifically for safe operation of the equipment.
12. All covers, doors/access covers of the electrical equipment mounted on the equipment, on opening/removal which may expose live internal conductors, shall have warning instructions either by raised lettering or by other suitable means against such opening/removal of covers, doors and access covers, without isolating supply of energy to the equipment from its source.
13. The plug and socket assembly affixed to the motors/panel, if provided, will be so interlocked as to prevent removal of plug from the socket while alive.
14. Spare parts shall be made readily available as and when required for proper maintenance of the equipment. Any failure in the equipment shall be intimated to this Directorate.
15. All sensing devices shall be regularly tested and, routinely calibrated or verified to ensure correct operation and a record of the same shall be maintained.
16. The associated items for which approval has been issued is exclusively for use as part of this equipment only and shall not be read as individual approval for those items.
17. The electrical equipment and cables associated with the machine shall be checked by the Electrical Supervisor of the mine for their respective flameproofness of the equipment and condition of cables in the beginning of each working shift and the findings thereof enter into a bound-paged book maintained for that purpose which shall be duly signed by the Electrical Supervisor with the date.
18. If there occurs any revision of standards applicable to the product/equipment, the manufacturer shall get the product/equipment tested as per revised standards and submit test reports to thecustomerfor information and to thisDirectorate for further approval/renewal.
19. The cable entry devices, threaded adaptors and stopping plugs shall be suitable for the equipment and be considered as a part of equipment (not a component).The cable entry device and cabling methods used shall be suitable for their intended duty and for the special type of cable used in mining.Such cable entry devices shall be duly certified as per relevant IS/IEC standards.
20. The approval of the subject equipment is with regard to Ex standards mentioned herein.Other relevant standards applicable for assessment of its electrical parameters required under type test have not been taken into consideration.
21. All circulars/general approvals issued by DGMS from time to time, relevant to the equipment shall also be complied with.
22. The relevant provisions of the Central Electricity Authority (Measures relating to Safety and Electric Supply) Regulations, 2010 shall be complied with in all matter relating to the installation, operation and maintenance of the equipment.
23. The approval is accorded for a period of up to 15.12.2026
24. At the time of applying for renewal, details of supply with name of mines, purchase order and date shall be furnished with the application.
25. If at any time any of the conditions subject to which this approval has been granted, is violated or not complied with, this approval shall be deemed to have been revoked with immediate effect.
26. The above approval may be amended or withdrawn at any time, if considered so necessary in the interest of safety and is being issued without prejudice to any other provisions of law which may be or may become applicable at any time.
Annexure-B
List of Flameproof and intrinsically electrical equipment associated with Continuous Miner, Model: CM 2H-45, manufactured by M/s. Eickhoff Bergbautechnik GmbH, Germany for use in belowground Coal Mines, under Regulation 208(3) of the Coal Mines Regulations,2017.
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SL NO
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DESCRIPTION
(Type/Model number/Frame size)
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SPECIFICATION (KW/HP/KVA/
Voltage,Amps)
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NAME OF THE MANUFACTURER
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PURPOSE OF THE COMPONENT IN THE EQUIPMENT
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STANDARD OF THE CONDUCTED TEST
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NAME OF TESTING LABORATORY
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TEST CERTIFICATE(COC) NUMBER
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1
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2
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3
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4
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5
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5
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6
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7
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1
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Enclosure (casing)
Type dG3001
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≤ 310 A
≤ 1000 V
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Eickhoff
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Energy distribution box
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IS/IEC 60079-1:2014
60079-0:2012
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BVS
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BVS 03 ATEX E 134 X
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2
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Type A40SR Restrained Socket and plug
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350A,
650V/1300V
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Victor
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Receptacle
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IS/IEC 60079-0: 2004
IS/IEC 60079-1: 2007
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CIMFR
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CIMFR/TC/P/H474
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3
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Mining Luminaire
ML 100 LED
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24 V
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Victor
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Spotlight
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IS/IEC 60079-0: 2007
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Intertechnik Testing and Certification
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IECEx ITS 08.0012
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4
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Three-phase motor with Cage Rotor Type dWaET40 / 3-4
Cutter motor
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180kW/1140V/50Hz
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Breuer
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Cutter motor
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EN60079-1:2007
EN60079-0:2009
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BVS
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BVS 06 ATEX E 063 X
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5
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Three-phase motor with Cage Totor Type dWaET38 / 4-4
Hydraulic pump motor
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160kW/1140V/50Hz
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Breuer
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Hydraulic pump motor
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EN60079-1:2014
EN60079-1:2012
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BVS
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BVS 04 ATEX E 104 X
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6
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Three-Phase Motor with Cage Rotor Type dWaET27 2-4
Conveyor motor
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45kW/1140V/50Hz
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Breuer
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Conveyer motor
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EN60079-1:2007
EN60079-0:2009
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BVS
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BVS 10 ATEX E 148 X
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7
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Squirrel Cage Induction Motor Type 35950 B
Dust Collector motor
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45kW/1140V/50Hz
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Transvaal Electrical
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Dust collector
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IEC 60079-0:2017
IEC 60079-1:2014
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ICS
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IECEx ICS 19.0004X
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8
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Coupling module type dK26-1
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12,8 V
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Eickhoff
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Coupling module
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EN60079-11:2011
EN60079-0: 2011
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DMT
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IECEx BVS 15.0068U
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9
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Module Power Supply Type 8SD9001-*DV2*-****
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12,8 V
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Bartec
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Power supply unit
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EN60079-11:2012
EN60079-0:2012
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DMT
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DMT 01 ATEX E 030 U
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10
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Decentralized Peripheral Modules Type DPM-C*
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12,8 V
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Bartec
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Decentralised periphery module
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EN60079-11:2012
EN60079-0:2012
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BVS
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BVS 08 ATEX E 008 U
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11
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Isolation amplifier type KFD0-RO-EX2.**
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12,8 V
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Pepperl & Fuchs
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Isolation Amplifier
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EN60079-11:2012
EN60079-0:2012
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DMT
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DMT 00 ATEX E 016
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12
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Transmitter supply isolator
type KF**-CRG*-Ex1.*
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12,8 V
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Pepperl & Fuchs
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Isolation Amplifier
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EN60079-11:2012
EN60079-0:2012
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TUEV
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TUEV 01 ATEX 1701
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13
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Protective terminal module type iK30
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13 V
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Eickhoff
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Connection teminal
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IEC60079-11:2011
IEC60079-0:2011
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BVS
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IECEx BVS 12.0086 U
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14
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Antenna Coupling Type dK35
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14 V
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Eickhoff
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HF-Coupler
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EN60079-11:2012
EN60079-0:2012
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DMT
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DMT 02 ATEX E 080 U
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15
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Type KCD2-SR-Ex*.* Switch Amplifier
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UPTO 30 V
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Pepperl & Fuchs
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Emergency-Stop-Coupler
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EN60079-11:2012
EN60079-0:2011
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BASEEFA
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IECEx BAS 06.0025
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16
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Switch Type K64/***
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12,8 V
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Vershoven
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Emergency stop switch
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EN60079-11:2007
EN60079-0: 2009
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DMT
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DMT 02 ATEX E 160
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17
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Flashing light /Signal lamp type iBL1
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13 V
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FHF Bergbautechnik
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Signal lamp (rotes Drehlicht)
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EN60079-11:2007
EN60079-0: 2009
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DMT
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DMT 02 ATEX E 117/N1 IECEx BVS 13.0061
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18
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Signal Light type iBL2
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13.8 V
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FHF Bergbautechnik
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IS RED Indication light
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EN50020:2002
EN50014:2002
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DMT
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DMT 03 ATEX E 088
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19
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Enclosure Type dG 32
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≤230V
up to 36W
≤1.5A
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Eickhoff
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Information Display
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IEC 60079-1:2007
IEC 60079-0:2011
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BVS
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IECEx BVS 11.0097X
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20
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Signal Buzzer Type iH11
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13 V
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Eickhoff
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Signal transmitter
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EN60079-11:2012
EN60079-0:2012
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DMT
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DMT 01 ATEX E 100
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21
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Temperature and Level Controller Type iBz70A/*
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13 V
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Eickhoff
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Temp./level monitor
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EN60079-11:2012
EN60079-0:2012
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DMT
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DMT 02 ATEX E 135
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22
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Measuring Gauge type SMALL
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12 V
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Grünewald
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Pressure sensor
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EN60079-11:2007
EN60079-0: 2009
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BVS
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BVS 06 ATEX E005X
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23
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Measuring Gauge type SMALL
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12,8 V
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Grünewald
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Pressure sensor
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EN60079-11:2007
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BVS
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BVS 06 ATEX E005X
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24
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Flow Measuring Instrument type DAK
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12,8 V
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Grünewald
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Water flowing sensor
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EN60079-11:2012
EN60079-0:2012
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DMT
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DMT 03 ATEX E 080
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25
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Reed sensor type *MG
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12,8 V
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Taciak
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Measuring system
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EN60079-11:2012
EN60079-0:2017
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BVS
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BVS 03 ATEX E 166X
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26
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Magnetic switch Type iKA
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12,8 V
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Tiefenbach
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Magnetic switch
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EN50014:1997
EN 50020:2002
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BVS
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BVS 03 ATEX E 167
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27
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Gas Measurement Devices ( Methane monitor) type series MONIMET or ANNOVEX
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12,8 V
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Woelke
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Methane monitor
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EN60079-11:2012
EN60079-0: 2012
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DMT
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DMT 03 ATEX E 065X/N6
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28
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Control Transmitter Telecontrol Type LBG 06-****
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12,8 V
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Eickhoff/Schumann
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Hand held transmitter
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EN 50014:1997 + A1-A2
EN50020:2002
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BVS
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BVS 04 ATEX E 038
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29
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Receiver type RX...-...-...-EX
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9 - 30 V
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Hetronic
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Receiver
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EN60079-11:2012
EN60079-1: 2014
EN60079-0: 2012
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EPS
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EPS 15 ATEX 1051X
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30
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Antenna Isolator type EX-Isolator-3
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12,8 V
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Hetronic
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Receiver isolator
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EN60079-11:2012
EN60079-0:2012
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EPS
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EPS 12 ATEX 1451 U
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31
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Module for wireless industrial radio remote controls type Ex CC-TRX
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12,8 V
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Hetronic
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Receiver coupler
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EN60079-11:2012
EN60079-0:2012
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TRC
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TRAC 14 ATEX 0071 U
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32
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Wireless Industrial Radio
Remote Controls type Nova XL
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12,8 V
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Hetronic
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Transmitter
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EN60079-11:2012
EN60079-0:2012
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TRC
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TRAC 14 ATEX 0035X
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33
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Battery pack
type BATT-EX-HET-2300
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12,8 V
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Hetronic
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Transmitter-Battery
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EN60079-11:2012
EN60079-0:2012
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EPS
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EPS 12 ATEX 1450X
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34
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Valve Solenoids Type iEA
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12,8 V
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Tiefenbach
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Magnet for proportional working magnetic slide valve
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EN 50014:1997 +A1-A2
EN50020:2002
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DMT
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DMT 99 ATEX E 102
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35
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Distributors Type iV23
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12,8 V
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Eickhoff
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Distributor
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EN60079-11:2012
EN60079-0:2018
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DMT
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DMT 01 ATEX E 098
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