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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.-E_54982/2

NO: E-29021|20341|2019|Electrical(HQ)

Dhanbad, Date: 05/11/2019

DGMS APPROVAL NO.-E_54982/2

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:  approval no. 689 of 2014

Dear Sir,

 

 

Your Faithfully,
(R SUBRAMANIAN)
Director General of Mine Safety - (HQ)
Date : 05/11/2019
THIS IS A SYSTEM GENERATED DOCUMENT, DOES NOT REQUIRE ANY SIGNATURE.
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Renewal Letter View

Approved Renewal No :- Ren_E_4
NO: E-29021|20341|2019|Electrical(HQ) Dhanbad, Date: 09/01/2020
 
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 under Regulation 208(3) of the Coal Mines Regulations, 2017 for flameproof, weatherproof and intrinsically safe electrical equipment (as mentioned in Annexure-B) conforming to  60079-11:2006, IS/IEC 60079-0:2004 and IEC 60079-1:2007 to be associated with Quadbolter manufactured by M/s Joy Global (UK) Ltd.. to use in belowground coal mines in India – Renewal thereof.

 

Ref: Test reports / DGMS approval as per Annexure-B.

 

IDENTIFICATION MARK

DGMS APPROVAL No.  689 of  2014

Dear Sir
 

Please refer to your letter NO. JGI/DGMS/2019/55 dated 21.08.2019 and subsequent correspondence thereupon the above mentioned subject.

Based on the DGSM Approval No. 689 of 2014 issued by this Directorate’s  letter NO. 483/1907/EHQ dated 31.12.2014 and test reports as mentioned in Annexure-B for flameproof and intrinsically safe electrical items associated with Quadbolter manufactured by M/s. Joy Global (UK) Ltd., I hereby renew the approval upto 31.12.2021 from the date of expiry i.e. 31.12.2019 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                   

Encl : Annexure-A&B                              
                                                                                                                                                                                                                                                                                        Annexure-A

 

        Conditions for DGMS approval under Regulation 208(3) of the Coal Mines Regulations, 2017 for flameproof, weatherproof and intrinsically safe electrical equipment (as mentioned in Annexure-B) conforming to  60079-11:2006, IS/IEC 60079-0:2004 and IEC 60079-1:2007 to be associated with Quadbolter manufactured by M/s Joy Global (UK) Ltd. to use in belowground coal mines in India.

  1. Every Quadbolter manufactured shall carry conspicuously in a permanent manner the aforesaid identification mark, i.e. “DGMS APPROVAL NO. 689 of 2014 .
  1. In addition, every machine 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.

          (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.

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

5.       (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.

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.       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.

              10.    The high pressure hydraulic hoses, if any, supplied with the machine shall conformed to the standards and parameters as prescribed in the DGMS/Mech/Tech.Cir (Approval) No. 04, Dhanabd,                          dated  3.02.2015.

               11.    The Fire Resistant Hydraulic Fluid, if any, 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.

              12. 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.                                                                                                                                                                                                                                                                                                                                                                                                                                           

              13.   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.

14. 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.

15.  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.

  1. 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.
  1. 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.
  1. 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.
  1. 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.
  1. 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.
  1. 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.
  1. All circulars/general approvals issued by DGMS from time to time, relevant to the equipment shall also be complied with.
  1. 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.
  1. The approval is renewed upto 31.12.2021 from the date of expiry i.e. 31.12.2019.
  1. At the time of applying for renewal, details of supply with name of mines, purchase order and date shall be furnished with the application.
  1. 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.
  1. 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.
  1. 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, weatherproof and intrinsically safe electrical and other equipments to be used with Quadbolter manufactured by M/s. Joy Global (UK) Ltd. vide DGMS approval no. 689 of 2014.

 

Sl. No.

Description of FLP/WP electrical equipment/cables

Manufacturer (M/S)

DGMS Approval no./Test Certificates No.

1.

Flameproof induction motor rated at 125 KW, 1050 V AC, 1480 rpm, 2 pole, 50 Hz, 3 phase in cast iron/steel construction, frame size-10EB440J & Model No. 600470-0033 conforming to  IS/IEC 60079-1:2007 and IS/IEC 60079-0:2004

Baldor Electric Company, Greenville, SC

CIMFR/TC/P/H644 dated 31.12.2012

2.

Flameproof stop/start unit rated at 18 V, 0.25 A, mild steel, model SS1  conforming to  IS/IEC 60079-1:2007 and IS/IEC 60079-0:2004

Joy

ERTL(E)/TES/J057/0074/11-12 dated 04.12.2012

3.

Traction controller TC-05 rated at 1100 V, 100 A, M.S., model No. TC-05

Joy Mining Machinery Ltd.

CIMFR/TC/SR/H442 dated 07.10.2013

4.

Flameproof connection/switch box rated at 240 V, 250 VA (max.), MS, model No. MA001012-0018   conforming to  IS/IEC 60079-1:2007 and IS/IEC 60079-0:2004

Joy

ERTL(E)/TES/J057/0053/09-12 dated 10.10.2012

5.

Flameproof enclosure for cable reel rated at 1100 V, 300 A, in cast iron and steel construction conforming to  IS/IEC 60079-1:2007 and IS/IEC 60079-0:2004

Joy Mining Machinery Ltd.

CIMFR/TC/P/H320 dated 26.07.2012

6.

Intrinsically Safe TX6626 power supply  conforming to  IS/IEC 60079-11:2006, IS/IEC 60529-2001 and IS/IEC 60079-0:2004

Trolex Ltd., UK

CIMFR/TC/P/H731 dated 06.02.2013

7.

Flameproof lighting fitting (Head Light) rated at 24 V DC, 6 W, 70 W cast iron, model No. FSR1  conforming to  IS/IEC 60079-1:2007 and IS/IEC 60079-0:2004

MEDC

ERTL(E)/TES/J057/0054/09-12 dated 17.10.2012

8.

Intrinsically Safe TX9042 Programmable Sensor Controller  conforming to  IS/IEC 60079-11:2006, IS/IEC 60529-2001 and IS/IEC 60079-0:2004

Trolex Ltd., UK

CIMFR/TC/P/H674 dated 10.01.2013

9.

Intrinsically Safe STX3261 Methane Sensor  conforming to  IS/IEC 60079-11:2006, IS/IEC 60529-2001 and IS/IEC 60079-0:2004

Trolex Ltd., UK

CIMFR/TC/P/H679 dated 10.01.2013

10.

Flameproof restrained type plug and socket, model No. DV/R/PS-1 rated at 200 A, 550/1100 V, 3 phase, 50 Hz

Mine Line Pvt. Ltd., Kolkata

DGMS approval No. 298 Group-I of 1989

11.

Flameproof Siren rated at 24 V, model No. HSHC

Hytronic

ERTL(E)/TES/J057/0026/01-13 dated 05.03.2013

12.

Flexible multicore individually screened with pliable wire armouring elastomeric cable rated at 320/550 V, 8 A, 24x0.93 mm2, model N                                         o. Protomont type 524  conforming to IS:14494-1998

Prysmian

DGMS approval No. 119 of 2012

13.

3 power cores each 25 mm2 and one 16 mm2 for the pilot core and one 16 mm2 for the earth core, 1100 V grade flexible cable type FT-10 all having semiconductive covering  conforming to IS:14494-1998

Prysmian

DGMS approval No. 102 of 2007

14.

Type PLC2, PLC3, PLC4 & PLC5 cables with 4.0 mm2 power cores rated at 640/1100 V, galvanized steel wire pliable armour  conforming to IS:14494-1998

Prysmian

DGMS approval No. 120 of 2012

 

 

                   

          

                         

              
        

(R SUBRAMANIAN)
Director General of Mine Safety (Officiating)
Date : 09.01.2020
 

 

 

 
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