Coal mining equipment approval

of India Ministry of Labour & Employment Directorate General of Mines Safety /EHQ, Dhanbad, dated By Registered Airmail.

- 2016 No. R (R 5 From:

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

To Shri Einar Bronlund — Managing Director M/s. MHWirth Kolner Strasse 71-73, 41812 Erkelenz Germany.

Sub:- Renewal of DGMS approval No. 640 of 2012 under Regulation 181(3) of the Coal Mines Regulations, 1957 for Flameproof and Intrinsically Safe electrical equipment (as mentioned in Annexure-B) associated with Road Header, model no. T 1.14 manufactured by M/s. MHWirth, Germany for use in belowground Coal Mines in India.

IDENTIFICATION MARK DGMS APPROVAL No. 640 of 2012 Dear Sir, Please refer to your letter no. nil dated 14.04.2015 and subsequent correspondence thereupon the above subject.

Based on approval no. 640 of 2012 issued by this Directorate's letter no.

566/-1621/EHQ dated 04.07.2012 and test certificates of various Flameproof and Intrinsically Safe electrical equipment (mentioned in Annexure-B) associated with Road Header, Model No. T 1.14, I hereby renew the approval upto 04.07.2019 from the date of expiry i.e.

from 04.07.2014 for use in belowground coal mines in India, subject to compliance with conditions stipulated in Annexure-A.

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

Encl : Annexures - A&B.

Y urs faithfully, (Rahul Guha)

Director General of Mines Safety Approval No 640 of 2012 renewed by Directorate's letter No..

Annexure-A .. ... ................/EHQ Conditions for approval under Regulation 181(3) of the Coal Mines Regulations, 1957 for Flameproof and Intrinsically Safe electrical equipment (as mentioned in Annexure-B)

associated with Road Header, model no. T 1.14 manufactured by M/s, MHWirth, Germany for use in belowground Coal Mines in India.

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Every Road Header, model no. T 1.14 shall carry conspicuously in a permanent manner the aforesaid identification mark, i.e. "DGMS APPROVAL No... 640 of 2012 . .. ... .. ..../EHQ dated..............

approved by Directorate's letter No..

In addition, every machine shall also carry permanently this Directorate's approval mark as below:

GOB DC,MS APPROVEV 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.

The electric supply to the machine shall be controlled from flameproof Gate-end-Box with intrinsically safe supply for control circuit of suitable rating along with sensitive earth leakage protection.

All covers, doors/access covers of the electrical equipment mounted on the machine, the 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.

The user shall furnish the performance report of the equipment directly to this Directorate after one (01) year of actual use.

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.

Any replacement of part required for maintenance of the equipment which is directly or indirectly connected to the flameproof features thereof shall be supplied by the manufacturer as and when required.

The personnel who may be entrusted with the responsibility for the use, maintenance and operation of the machine shall be given adequate training.

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-2- The electrical equipment associated with the machine shall be checked by Electrical Supervisor of the mine for their flameproofness. The condition of cables in the machine shall be checked at the beginning of each working shift and the findings thereof entered in a bound-paged book maintained for that purpose, which shall be duly signed by the Electrical Supervisor with the date.

(a) 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.

(b) 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.

The users in consultation with the manufacturer, shall frame a code of practice for the control and guidance of persons employed for the installation, operation and maintenance of Road Header, model no. T 1.14 and associated equipments, as well as for prevention of accident and to provide safety, health, convenience and discipline of persons so employed. The code of practice duly approved by the concerned zonal office of this Directorate shall be strictly complied with.

All technical assistance shall be rendered by the supplier at the time of initial installation of the machine at underground. The supplier shall also maintain close contact with the users to get themselves fully apprised of any difficulty that may be faced by the user during operation and maintenance of the machine.

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 in service shall be suitable for their intended duty and special types of cable used in mining. Such cable entry devices shall be duly certified as per relevant IS/IEC standards.

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.

The high pressure hydraulic hoses supplied with the machine shall conform to the standards and parameters as prescribed in the DGMS/Mech/Tech.Cir (Approval) No.

04, Dhanbad, dated 13.02.2015.

The cables in Machine shall conform to requirement of 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 the safe operation of the machine.

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-3- The Audio Visual Alarm used in the machine shall conform to the standards and parameters as prescribed in the DGMS Tech. Circular (Electrical), Approval No. 21 dated 05.10.2015.

Test certificate of FLP/WP Series 251 Enclosure Head Light Model: ATF 251 conforming to latest standard shall be submitted within a period of six months from the date of issue of this letter.

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 the customer for information and to this Directorate for further approval/renewal.

In case of any permissible variations issued from this Directorate, they shall also be read along with this letter and the original approval letter.

The approval is renewed upto 04.07.2019 from the date of expiry i.e. from 04.07.2014.

At the time of applying for renewal, details of supply with name of mines, purchase order and date shall be furnished with the application.

Any modification/alteration to the machine that might be considered necessary at a later date in the interest of safety or/and efficient handling, operation, maintenance and maneuverability of the machine shall be carried out upon being so directed.

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.

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.

(Rahul Guh )

Director General of Mines Safety ANNEXURE-B List of Flameproof and Intrinsically Safe electrical equipment associated with Road Header, model no. T 1.14 manufactured by M/s. MHWith, Germany for use in belowground Coal Mines in India vide DGMS approval no. 640 of 2012 issued by Directorate's letter .... ............/EHQ dated......... ..

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Description of FLP/WP electrical Manufacturer equipment/cables (MIS)

Flameproof & weatherproof electrical main Panel, AKER WIRTH in fabricated steel construction suitable for rated GmbH, Germany 600 A, 1100 V AC designated by type FPB-OI conforming to IS/IEC 60079-1:2007 and IEC 60529:1989 IS.•12063-1987 Flameproof & weatherproof Emergency Stop AKER WIRTH Switch, in steel construction suitable for rated GmbH, Germany upto 220 V, designated by Part no. 11080028 conforming to IS/IEC 60079-1:2007 and IEC 60529:1989 IS:12063-1987 Flameproof & weatherproof Enclosure for Belt Jayshree Monitoring Switches, in cast iron construction, Electrodevices Pvt.

rated upto 16 A, 250 V AC, designated by type Ltd., Pune no. SW-40T/H/FP/11/22 conforming to IS/IEC 60079-0:2004 and IS/IEC 60079-1:2007.

Flameproof/Weatherproof Plug for Main Switch, suitable for 1300/600 V AC, 350 A, designated by type : A40PR in brass construction conforming to IS/IEC 60079-1:2007 and IEC 60529:1989 IS:12063-1987 Flameproof/Weatherproof Socket for Main Switch, suitable for 1300/600 V AC, 350 A, designated by type : A40SR in brass construction conforming to IS/IEC 60079-1:2007 and IEC 60529:1989 IS:12063-1987 Flameproof/Weatherproof Terminal Box, in Steel construction suitable for ratd 50 A, 230 V, designated by type no. FPB-02/2010 conforming to IS/IEC 60079-1:2007 and IEC 60529:1989 IS: 12063-1987 Flameproof & Weatherproof (IP-55) Pilot Solenoid Enclosure, in Electroless Nickel Plated Ferritic Ductile Iron grade 65-45-12 construction rated at 24 V, DC designated by Model : M4-12/15 conforming to IS/IEC 60079-0:2004 and IS/IEC 60079-1:2007-04 Victor Products Ltd., Great Britain Victor Products Ltd., Great Britain AKER WIRTH GmbH, Germany Approval no./Test Certificate nos.

CIMFR/TC/P/H155 dated 16.06.2011 CIMFR/TC/P/H118 dated 03.06.2011 CMR1/TC/SR/276 dated 29.07.2015 CIMFR/TC/P/H195 dated 12.07.2011 CIMFR/TC/P/H216 dated 18.07.2011 CIMFR/TC/P/H142 dated 10.06.2011 Bosch Rexroth Pty IECEx TSA 09.0019X Ltd., Australia Issue No.3 dated 14.11.2012.

Flameproof/Weatherproof Squirrel Cage Induction Trans Vaal Electric, CIMFR/TC/P/H119 dated Motor, in fabricated Mild Steel construction Johannesburg, 03.06.2011.

suitable for rated 180 KW, 1100 V AC, 50/60 Hz, South Africa.

designated by type no, 15390L conforming to IS/IEC 60079-1:2007 and IEC 60529:1989 IS:12063-1987 Contd.Page 2 -:2:- electrical Sl.

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Description of equipment/cables FLP/WP Manufacturer (MIS)

ATF Mining FLP/WP (IP-65) Series 251 Enclosure Head Light, in high tensile brass construction rated at 110 V/220 V/550 V, 35 W lamp designated by Model :

ATF 251 conforming to IS/IEC 60079-0:2000 and IS IEC 60079-1:2003 Flammable Gas Sensor (CH4) rated at input supply (max) Ui=14.4 VDC, Signal output=0.4 VDC to 2 VDC, model no. STX3261.01.11.240 conforming to IS/IEC 60079-0:2004 and IS/IEC 60079-11:2006.

IS Power Supply Unit rated at input supply=110 VAC, IS output : 12 VDC/IA, model no. 0<6648 conforming to IEC 60079-0:2007-10, IEC 60079- 11:2006 and 60079-7:2006-07.

Trip Amplifier rated at input supply Ui=16.5 VDC, input signal (Sensor)=4 to 20 mA, model no.

TX9131 IS/IEC 60079-0:2004 and IS/IEC 60079- 11:2006.

FLP/WP Temperature Sensor, rated at 12 V DC : 3 mA in Stainless Steel construction designated by Wirth Part no. 21056457 conforming to IS/IEC 60079-1:2007 and IEC 60529:1989 (IS:12063- FLP/WP Combo Siren Flasher, rated at 12 V DC in steel construction designated by type HAFC conforming to IS/IEC 60079-1:2007 and IEC 60529:1989 IS:12063-1987 Flameproof/weatherproof Proximity Switch, designated by type no. LSIO in Brass construction suitable for rated upto 10 A, 220 V conforming to IS/IEC 60079-1:2007 and IEC 60529:1989 IS:12063-1987 .

Intrinsically Safe DC-Lifting type magnet coil, type no. GE45B-2-A housed in a housing of steel material of construction conforming to IS/IEC IS/IEC 60079-0:2004 & 60079-11:2006, IS:12063-1987.

Intrinsically Safe LOKN 19 Radio Remote Console housed in a housing of steel material of construction conforming to IS/IEC 60079- 11:2006 IS/IEC 60079-0:2004 & IS:12063-1987 Intrinsically Safe Terminal Box (Control Unit) as designated by HR-iSAVIO/A.0101-004 in steel material of construction conforming to IS/IEC 60079-11:2006, IS/IEC 60079-0:2004 & IS:12063-1987 Electrics Pty Australia Trolex Limited, Trolex Limited Trolex Limited, Dittmer AKER AKER Bosch Ltd., I-JK Approval no. / Test Certificate nos.

IECEx SIM 06.0004 Issue No. 3 dated 15.08.2011.

11-12 dated 12.03.2013 IECEx SIR Issue No.

18.10.2010.

10.0108X 0 dated WIRTH GmbH, Germany WIRTH GmbH, Germany Rexroth AGI Germany Pempek Systems Control Automation, Australia Hansen Bergbautechnik, Germany 12-12 dated 12.03.2013 CIMFR/TC/P/H217 dated 18.07.2011 CIMFR/TC/P/H194 dated 12.07.2011 CIMFR/TC/P/H156 dated 16.06.2011 CIMFR/TC/P/H227 dated 22.07.2011 CIMFR/TC/P/H246 dated & 04.08.2011 CIMFR/TC/P/H123 dated 06.06.2011 Contd...Page 3 -:3:- electrical Sl.

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Description of equipment/cables FLP/WP Intrinsically Safe Terminal Box (Control Unit) as designated by HR-iSAV10/C.0101-005 in steel material of construction conforming to IS/IEC 60079-11:2006, IS/IEC 60079-0:2004 & IS: 12063-1987 Intrinsically Safe Terminal Box (Control Unit) as designated by HR-iSAV10/C.0101-001 in steel material of construction conforming to IS/IEC 60079-11:2006, IS/IEC 60079-0:2004 & IS:12063-1987 Intrinsically Safe Terminal Box (Control Unit) as designated by HR-iSAV10/C.0505-001 in steel material of construction conforming to IS/IEC 60079-11:2006, IS/IEC 60079-0:2004 & IS: 12063-1987 Intrinsically Safe Terminal Box (Control Unit) as designated by HR-iSAV10/L.2505-001 in steel material of construction conforming to IS/IEC 60079-11:2006, IS/IEC 60079-0:2004 & IS:12063-1987 Intrinsically Safe Terminal Box (Control Unit) as designated by HR-iSAV10/B.1015-001 in steel material of construction conforming to IS/IEC 60079-11:2006, IS/IEC 60079-0:2004 & IS:12063-1987 Intrinsically Safe Terminal Box (Control Unit) as designated by HR-iSAVIO/C.0703-001 in steel material of construction conforming to IS/IEC 60079-11:2006, IS/IEC 60079-0:2004 & IS: 12063-1987 Intrinsically Safe Flow switch with magnetic actuation of a reed switch (switch head) as designated by HDIK+A-H2.1-5-9(HDIKO- 020GM030A-1026)

in steel material of construction conforming to IS/IEC 60079- 11:2006 IS/IEC 60079-0:2004 & IS:12063-1987 Intrinsically Safe Multipole Connectors housed in a housing of steel material of construction conforming to IS/IEC 60079-11:2006, IS/IEC 60079-0:2004 & IS: 12063-1987 Intrinsically Safe LOCF QUAD IS Power supply Pempek Systems CIMFR/TC/P/H289 dated housed in a housing of steel material of Pty Ltd., Australia 24.08.2011 construction conforming to IS/IEC 60079- 11:2006 IS IEC 60079-0:2004 & IS:12063-1987 Contd..page 4 Manufacturer (MIS)

Hansen Bergbautechnik, Germany Hansen Bergbautechnik, Germany Hansen Bergbautechnik, Germany Hansen Bergbautechnik, Germany Hansen Bergbautechnik, Germany Hansen Bergbautechnik, Germany Honsberg Instruments GmbH, Germany Wieland Electric GmbH, Germany Approva no./Test Certificat nos.

CIMFR/TC/P/H120 date 03.05.2011 CIMFR/TC/P/H157 dated 16.06.2011 CIMFR/TC/P/H158 dated 16.06.2011 CIMFR/TC/P/HIOO dated 30.05.2011 CIMFR/TC/P/HIOI dated 30.05.2011 CIMFR/TC/P/H159 dated 16.06.2011 CIMFR/TC/P/H106 dated 31.05.2011 CIMFR/TC/P/H160 dated 16.06.2011 Manufacturer (MIS)

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electrical FLP/WP of Description equipment/cables Intrinsically Safe Antenna Barrier, type no.

L09W01/02 housed in a housing of steel material of construction conforming to IS/IEC 60079- 11:2006 IS/IEC 60079-0:2004 & IS:12063-1987 Intrinsically Safe 1/0 Module, type no. LOLW5101 (Part of Jagannath I.S. Control System) housed in a housing of steel material of construction IS/IEC conforming to IS/IEC 60079-11:2006, 60079-0:2004 & IS: 12063-1987.

Approval no./Test Certificate nos.

Pempek Systems CIMFR/TC/P/H226 dated & 22.07.2011 Control Automation, Australia Pempek Systems CIMFR/TC/P/H245 dated & 04.08.2011 Control Automation, Australia Intrinsically Safe Inductive Proximity Switches Katlax Enterprises CIMFR/TC/P/1213 dated Ltd., 29.12.2010.

NPN & PNP type housed in a housing of steel Pvt.

material of construction conforming to IS/IEC Gandhinagar 60079-0:2004 and IS/IEC 60079-11:2006.

(Rahul Guha)

Director General of Mines Safety