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  • भारत सरकार
  • GOVT. OF INDIA
  • श्रम एवं रोजगार मंत्रालय
  • MINISTRY OF LABOUR AND EMPLOYMENT
  • खान सुरक्षा महानिदेशालय
  • DIRECTORATE GENERAL OF MINES SAFETY

Application

Approval Letter View

Approved No :- DGMS APPROVAL NO.- 530 of 2005

NO: E-29021|30440|2020|Electrical(HQ)                                                                                                                                                    Dhanbad, Date: 15/05/2020

DGMS APPROVAL NO.- 530 of 2005

From

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

To

SHIB BHOWMIK, Joy Global (UK) Limited, JOY GLOBAL (UK) LIMITED 4 SWANWICK COURT ALFRETON DERBYSHIRE - DE55 7AS
Derbyshire, ALFRETON, ALFRETON, 0

Sub:-   DGMS Approval No. 530 of 2005 under Regulation 208(3) of the Coal Mines Regulations, 2017 for flameproof and intrinsically safe electrical equipment (as mentioned in Annexure-B) to be associated with Continuous Miner manufactured by M/s Joy Global (UK) Ltd., for use in belowground Coal Mines in India.

 

IDENTIFICATION MARK

DGMS APPROVAL No.  530 of 2005

 

Dear Sir,

Please refer to your online application No.  E-29021/30440/2020/Electrical(HQ), letter No. JGI/DGMS/2020 dated 07.01.2020 and subsequent correspondence thereon the above mentioned subject.

Based on DGMS approval No. 530 of 2005 issued by this Directorate’s letter No. 483/413/EHQ dated 12.04.2005 and test reports as mentioned in Annexure-B for Continuous Miner manufactured by M/s. Joy Global (UK) Ltd., I hereby renew the approval upto 12.04.2022 from the date of expiry i.e. from 12.04.2020 for use in belowground Coal Mines in India, subject to compliance with the conditions mentioned in Annexure-A.

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

Your Faithfully,

(DINESH KUMAR SAHU)
Director General of Mine Safety - (HQ)
Date : 15/05/2020

Enclosure: Annelxure A & B.

                                                                                         
                                                                                                                                                                                                                                                                                 Annexure-A

 

Conditions for renewal of DGMS approval No. 530 of 2005 under Regulation 208(3) of the Coal Mines Regulations, 2017 for flameproof and intrinsically safe electrical equipment (as mentioned in Annexure-B) to be associated with Continuous Miner manufactured by M/s. Joy Global (UK) Ltd.,  for use in belowground Coal Mines in India.

1.       (i) Every Continuous Miner shall carry conspicuously in a permanent manner the aforesaid identification mark, i.e. “DGMS APPROVAL NO. 530 of 2005 renewed by

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

(ii) In the nameplate marking shall be in accordance with the applicable requirements of the relevant standards.

2.       (a)The design of the electrical circuit shall not be changed without obtaining prior approval from this Directorate.

          (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.

3.       Spare parts shall be made readily available to the user as and when required for proper maintenance of the equipment.

4.       (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.

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

               6. While seeking renewal of Approval, 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.

7.       Any modification to the equipment that might be considered necessary at a later date shall be effected upon being so directed by this Directorate.

8.       An officer of this Directorate may at any time draw a sample either from the factory or from the user and get it tested at the cost of the manufacturer.  If the test reports are not satisfactory, this approval shall be deemed to be suspended.

  1. .      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 the  customer  for information and to this  Directorate 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.      NDT (Non Destructive Test) of all vital load caring mechanical structure / members of existing machine deployed in different coal mines shall be submitted within one month form the issue of this  letter.

             24. Assessment of the life of the machine shall be done by  a committee including members of OEM, user and representative of any accredited laboratory and report shall be submitted to this Directorate. 

25.     The approval is renewed upto 12.04.2022 from the date of expiry i.e. from 12.04.2020.

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

27.     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.

28.     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

 

Details of flameproof and intrinsically safe electrical equipment to be associated with Continuous Miner manufactured by M/s. Joy Global (UK) Ltd. for use in belowground Coal Mines in India vide DGMS approval No. 530 of 2005.

Sl No

Description of the equipment

Make

Test Report no/dt

Test Standard

1.

JNA enclosure 110 V, 250 VA

Joy Global (UK)

CIMFR/TC/P/H808 dated 14. 03.2013 & ERTL(E)/TES/J036 /0074/11-00 dt 23.03.2001

IS/IEC 60079-0:2004 IS/IEC 60079-1: 2007

2.

Shuttle Car, controller 1100 V

Joy Global (UK)

CIMFR/TC/P/H137 dated 20. 07.2015 & ERTL(E)/TES/ J036/0072/11-00 dt 23.03.01

IS/IEC 60079-0:2004 IS/IEC 60079-1: 2007

3.

Continuous Miner, cutter motor type 2X170KW, 1140V, 4pole, 1475rpm, 3ph, frame size-350J

Baldor

CIMFR/TC/P/H22

dated 12.04.2012

IS/IEC 60079-0:2004 IS/IEC 60079-1: 2007

4.

Shuttle Car, AC traction motor type 2X50 HP, 1100 V

Baldor

CIMFR/TC/P/H686 dt 29.01. 2014 & ERTL(E)/TES/J036/ 0078/11-00 dated 23.03.2001

IS/IEC 60079-0:2004 IS/IEC 60079-1: 2007

5.

Flameproof Traction Motor 2X35 HP, 250 V DC, 1460 rpm, frame size-41J9

Baldor

CIMFR/TC/P/H64

dated 23.04.2012

IS/IEC 60079-0:2004 IS/IEC 60079-1: 2007

6.

Shuttle Car, footswitch, 120 V

Joy Global (UK)

IECExTRA 16.0010X

Dated 24.05.2016

IS/IEC 60079-0:2011

IS/IEC 60079-1:2014

7.

Flameproof Junction box,  1100 V

Joy Global (UK)

CIMFR/TC/P/H673 dated 10. 01.2013 & ERTL(E)/TES/J036 /0073/11-00 dt. 23.03.2001

IS/IEC 60079-0:2004 IS/IEC 60079-1: 2007

8.

Flameproof enclosure for cable reeler rated at 300 A, 1100 V

Joy Global (UK)

CIMFR/TC/P/H320

dated 26.07.2012

IS/IEC 60079-0:2004 IS/IEC 60079-1: 2007

9.

programmable sensor controller type TX9042

Trolex

CIMFR/TC/P/H674 dated 10. 01.2013 & CIMFR/TC/327 dt. 03.07.1997 & CIMFR/TC/135 dated 28.04.1997

IS/IEC 60079-11:2006 IS/IEC 60079-0: 2004

IS/IEC 60529:2001

10.

pressure sensor

type TX6114, 12 V DC, 0.25 to 600 bar

Trolex

CIMR/TC/P/H796 dated 11. 03.2013 & ERTL(E)/TES/J036 /0131/01-01 dt 02.08.2001

IS/IEC 60079-11:2006 IS/IEC 60079-0: 2004

IS/IEC 60529:2001

11.

differential pressure sensor type TX6144, 0.1 to 16 bar, 12 V DC

Trolex

CIMR/TC/P/H796 dated 11. 03.2013 & ERTL(E)/TES/J036 / 0130/01-01 dt 02.08.2001

IS/IEC 60079-11:2006 IS/IEC 60079-0: 2004

IS/IEC 60529:2001

12.

Radio Receiver type RX1, 10 V DC

Matric

CIMFR/TC/PH635 dated 26.12.2013 & ERTL(E)/TES /J036/0147/02-01 dt. 02.08.2001

IS/IEC 60079-11:2006 IS/IEC 60079-0: 2004

IS/IEC 60529:2001

 
(DINESH KUMAR SAHU)
Director General of Mine Safety - (HQ)
Date : 15/05/2020
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