NO: E-29021|20304|2019|Electrical(HQ)

Dhanbad, Date: 26/09/2019

DGMS APPROVAL NO.-E_18761/2

From

Director General of Mines Safety
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:   Online process for hard copy given approval of 587 of 2009 of shuttle car

Shri 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. 587 of 2009 under Regulation 208(3) of the Coal Mines Regulations, 2017 for flameproof and intrinsically safe electrical equipment conforming to IS/IEC 60079-11:2006 and IEC 60079-1:2007 to be associated with Shuttle Car model no. 10SC32B having variable frequency drive (VFD) traction with cooling system to be used with Continuous Miner (as mentioned in Annexure-B) manufactured by M/s. Joy Global (UK) Ltld. for use in belowground Coal Mines in India.

IDENTIFICATION MARK

DGMS APPROVAL No.  587 of 2009

Please refer to your online application No. E-29021/20304/2019/Elect.(HQ), letter no. JGI/DGMS/2019/31 dated 21.05.2019 and subsequent correspondence thereupon the above mentioned subject.

Based on DGMS approval no. 587 of 2009 issued by this Directorate’s letter no. 483/2120/EHQ dated 02.09.2009 and ERTL/CIMFR test reports no. as mentioned in the Annexure-B for electrical and items associated with Shuttle Car model no. 10SC32B having variable frequency drive (VFD) traction with cooling system to be used with Continuous Miner manufactured by M/s. Joy Global (UK) Ltd., I hereby renew the approval upto 02.09.2024 from the date of expiry i.e. 02.09.2019 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,

(R SUBRAMANIAN) Director General of Mine Safety (Officiating) Date : 23.12.2019

Encl : Annexure-A&B                                                   
                                                                                                                                                                                                                                                        Annexure-A

Conditions for renewal of DGMS approval no. 587 of 2009 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 Shuttle Car model no. 10SC32B having variable frequency drive (VFD) traction with cooling system to be used with Continuous Miner manufactured by M/s. Joy Global (UK) Ltd. for use in belowground Coal Mines in India.

1. Every Shuttle Car model no. 10SC32B having variable frequency drive (VFD) traction with cooling system to be used with Continuous Miner manufactured by M/s. Joy Global (UK) Ltd. shall carry conspicuously in a permanent manner the aforesaid identification mark, i.e. “DGMS APPROVAL NO. 587 of 2009.

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

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, 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.

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.     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.

         12.     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.

13.     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.

         14.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.

         15. 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.

         16. 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.

         17. 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.

18.     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.

19.     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.

20.     All circulars/general approvals issued by DGMS from time to time, relevant to the equipment shall also be complied with.

21.     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.

22.     The approval is renewed upto 02.09.2024 from the date of expiry i.e. 02.09.2019.

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

24.     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 manoeuvrability of the machine shall be carried out upon being so directed.

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 safe electrical equipment to be associated with Shuttle Car model no. 10SC32B having variable frequency drive (VFD) traction with cooling system to be used with Continuous Miner manufactured by M/s. Joy Global (UK) Ltd. for use in belowground Coal Mines in India vide DGMS approval no. 587 of 2009.