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  • भारत सरकार
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  • खान सुरक्षा महानिदेशालय
  • DIRECTORATE GENERAL OF MINES SAFETY

Application

Approval Letter View

Approved No :- DGMS APPROVAL NO.- 659 of 2013

NO: E-29021|30467|2020|Electrical(HQ)

Dhanbad, Date: 19/06/2020

DGMS APPROVAL NO.-  659 of 2013

From

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

To

MUKUL.N.DWIVEDI, EIMCO ELECON (I) LTD.,, EIMCO ELECON (INDIA) LTD., ANAND SOJITRA ROAD, VALLABH VIDYANAGAR - 388120 GUJARAT, INDIA.
Gujarat, Anand, ANAND, 388120

Sub:-   DGMS approval No. 659 of 2013 under Regulation 208(3) of the Coal Mines Regulations, 2017 for for flameproof and intrinsically safe electricals items (as mentioned in Annexure-B) to be associated with Model 611 Drill Mark II manufactured by M/s. EIMCO ELECON (India) Ltd., Vallabh Vidyanagar-388 120 (Gujarat) for use in belowground Coal Mines – Renewal thereof.

Reference: Test Reports as per Annexure-B.

IDENTIFICATION MARK

DGMS APPROVAL No.  659 of 2013

Dear Sir,

Please refer to your online application No. S-29021/30467/2020/Electrical(HQ), letter No. EIM/ENGG/KT/1502/DGMS/1845 dated 18.02.2020 and subsequent correspondence thereupon the above subject.

Based on DGMS approval no. 659 of 2013 issued by this Directorate’s letter no. 321/852/EHQ dated 02.05.2013, BIS License No. CM/L - 1988182 and above test reports under reference, I hereby renew the approval upto 02.05.2022 from the date of expiry, i.e., from 02.05.2020 for use in belowground coal mines in India, subject to compliance with conditions stipulated in the original approval  as well as 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 : 19/06/2020

Enclosure: Annexure A&B

                                                                                                               

Annexure-A

Conditions for renewal of DGMS approval No. 659 of 2013  under Regulation 208(3of the Coal Mines Regulations, 2017 for for flameproof and intrinsically safe electricals items (as mentioned in Annexure-B) to be associated with Model 611 Drill Mark II manufactured by M/s. EIMCO ELECON (India) Ltd., Vallabh Vidyanagar-388 120 (Gujarat) for use in belowground Coal Mines.

1.       (i) Every Model 611 Drill Mark II shall carry conspicuously in a permanent manner the aforesaid identification mark, i.e. “DGMS APPROVAL NO. 659 of 2013. 

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.

  1. (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.

  1. Spare parts shall be made readily available to the user as and when required for proper maintenance of the equipment.
  2. (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.

  1. The user shall furnish the performance report of the equipment directly to this Directorate after one (01) year of actual use.
  1. Any modification to the equipment that might be considered necessary at a later date shall be effected upon being so directed by this Directorate.
  1. 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.
  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 user shall maintain coordination with the supplier/manufacturer to get themselves fully appraised of any difficulty with regard to the use, maintenance and operation of the equipment.
  1. Any replacement of part required for maintenance of the equipment which is directly or indirectly related to the flameproof features thereof shall be supplied by the manufacturer as and when required.
  1. The flameproof electrical equipment associated with the machine shall be checked by the Electrical Supervisor of the mine for their compliance as per standards.  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 shall be duly signed by the Electrical Supervisor with the date.
  1. Spare parts shall be made readily available, as and when required for proper maintenance of the equipment.
  1. Any failure in the equipment shall be intimated to this Directorate.
  1. In case of any permissible variations issued from this Directorate, they shall also be read along with this letter and the original approval letter.
  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 plug and socket assembly affixed to the motors/panel, if provided, will be so interlocked as to prevent withdraw of plug from the socket while alive.
  1. The fire resistant hydraulic fluid shall conform to the standards and parameters as prescribed in the DGMS/Mech/Tech.Cir (Approval) No. 02, Dhanbad, dated 13.02.2015.
  1. All covers, doors/access covers of the electrical equipment mounted on the machine, the opening removal of which may expose live internal conductors thereon shall have warning instructions either raised lettering or by other suitable means against such opening/removal or covers, doors and access covers without isolating supply of energy to the equipment from its source.
  1. 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.
  1. The cable reel drum if provided the cable shall be checked for damages/injuries at least once in each shift the Electrical Supervisor of the mine and the observations made thereof entered into a bound-page book which shall be duly signed by him and dated.  The cable shall not be used until such time as the same has been properly repaired.
  1. 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 Model 611 Drill Mark II 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.
  1. The high pressure hydraulic hoses supplied with the machine shall conforme to the standards and parameters as prescribed in the DGMS/Mech/Tech.Cir (Approval) No. 04, Dhanabd, dated 13.02.2015.
  1. The cables in Machine shall conform to requirement of provisions of the DGMS Tech. Circular (Electrical) No. 12 dated 25.05.2015 and 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.
  1. The personnel who may be entrusted with the responsibility for the use, maintenance and operation of the machine shall be given adequate training for so much of the work may be enjoined on them.

28.     The approval is renewed upto 02.05.2022 from the date of expiry i.e. from 02.05.2020.

  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. 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 and intrinsically safe electrical equipment to be associated with Model 611 Drill Mark II manufactured by M/S EIMCO ELECON (India) Ltd., Vallabh Vidyanagar-388 120 (Gujarat) for use in belowground Coal Mines vide DGMS approval No. 659 of 2013.

 

Sl. No

Description of the apparatus

Name of the Manufacturer

Approval No. /

Test Certificate No. And date

IS/IEC Standard as per test certificate / Approval

1

 

 

 

 

 

Flameproof squirrel cage induction motor in frame size E 250 M rated upto and including 75 HP, 550 V, 3 phase, 50 Hz having 2 to 8 poles with restrained FLP plug and socket or double compression cable gland on T.B.

Or

Flameproof squirrel cage induction motor in frame size 250M rated upto and including 55kW, 550 V, 3 phase, 50 Hz having 2 to 8 poles with restrained FLP plug and socket

 

Crompton Greaves Ltd, Ahmednagar.

 

 

 

Or

 

 

Laxmi Hydraulics Pvt. Ltd., Solapur

 

79 Group-I of 1974

 

 

 

 

 

Or

 

 

559 of 2007

 

 

IS/IEC60079-0 :2011

IS/IEC60079-1: 2007

 

 

 

 

Or

 

 

IS/IEC60079-0 :2011

IS/IEC60079-1:2007

2

 

FLP Isolator Junction Box, Type JB-1

Mine line Kolkata

 

300 of 1989

IS/IEC60079-0:2004

IS/IEC60079-1:2007

FLP Lighting transformer up to max 500 VA

Mine line Kolkata

 

288 of 1998  

IS/IEC60079-0:2004

IS/IEC60079-1:2007

3

 

FLSS type Float Switch Assembly.

Eimco Elecon (I) Ltd, V.V.Nagar.

CIMFR/TC/SR/1291 DT.21/12/2011

IS/IEC60079-0:2004

IS/IEC60079-1:2007

 

4

 

FLSS type Temperature Switch Assy

 

Eimco Elecon (I) Ltd, V.V.Nagar.

CIMFR/TC/SR/1291 DT.21/12/2011

CIMFR/TC/SR/1291 DT.21/12/2011

5

FLSS type Limit Switch Assy. as called as dump valve switch. Change over switch ,Man in position switch,

Eimco Elecon (I) Ltd, V.V.Nagar.

CIMFR/TC/SR/1290 DT.21/12/2011

IS/IEC60079-0:2004

IS/IEC60079-1:2007

6

 

 

FLP /WP Push button station / J.Box Model EEEL 100

 

Eimco Elecon Electricals limited

571 of 2008

IS/IEC60079-0:2004

IS/IEC60079-1:2007

7

FLP Power Distribution box-Model-PDB

                    

Eimco Elecon Electricals Ltd, Vallabh Vidya Nagar.

297 of 1989

IS/IEC60079-0:2004

IS/IEC60079-1:2007

IS/IEC60529-2001

 

8

FLP Cable Reel Model 250, 1100V

with Plug & Socket assy. rated up to 200 Amps.

Eimco Elecon (I) Ltd,

572 of 2008

IS/IEC60079-0:2004

IS/IEC60079-1:2007

9

 

FLP/WP Head Light type EEEL-HL-301

 

Eimco Elecon Electricals Limited (VV Nagar)

528 of 2005

IS/IEC60079-0:2004

IS/IEC60079-1:2007

 

 
(DINESH KUMAR SAHU)
Director General of Mine Safety - (HQ)
Date : 19/06/2020
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