DGMS Approval Circular 642 of 2012

Coal mining equipment approval

Department: Approval
Year: 2012
Collection: Individual circulars & notifications
Topic: DGMS circulars

Individual document, 3 pages. See it in the regulations library.

Part of this text was machine-read from a scanned page and may contain recognition errors. Check the original page before relying on it.

No.

From:

R*VEfi/Government of India Ministry of Labour & Employment Directorate General of Mines Safety /EHQ, Dhanbad, dated

• 2016 The Director General cf Mines Safety Directorate General of Mines Safety, P.O & Distt: Dhanbad - 826 016.

Shri Ajit Singh Yadav - Proprietor M/s. Mining Equipment Corporation 430/7, Kadipur Industrial Area Opp. Sec.-10, Gurgaon-122 001 (Haryana).

Sub: Renewal of DGMS approval No. 642 of 2012 under Regulation 181 (3) of the Coal Mines Regulations, 1957 for Flameproof/Weatherproof Foot Switch in cast iron/mild steel fabricated construction, rated at 25 A, 550 V, designated by type no. MEC-FLP-WP-FS-08 conforming to IS/IEC 60079-0:2007, IS/IEC 60079-1:2007 and IS/IEC 60529-2001 manufactured by M/s. Mining Equipment Corporation, Gurgaon for use in belowground Coal Mines.

Ref: CIMFR test report No. CIMFR/TC/SR/H615 dated 23.12.2013 and No.

CIMFR/TC/1P/H460 dated 03.03.2016.

IDENTIFICATION MARK DGMS APPROVAL NO. 642 of 2012 Dear Sirs, Please refer to your letters Nos. MEC/DGMS/RKG/B dated 20.08.2014 and subsequent correspondence on the above subject.

Based on DCMS approval no. 642 of 2012 issued by this Directorate's letter no.

536/2080/EHQ dated 13.09.2012, BIS License No. 9928208 and test reports under reference, I hereby renew the approvai upto 24.08.2018 from the date of expiry i.e.

from 24.03-2016 for use in belowground Coal Mines, subject to compliance with conditions stipulated in the original approval as weii as annexure enclosed with this renewal letter.

Please note that application for renewal should be made at least three (03)

months before the date of expiry of the approval.

Encl : Annexure Yours faithfully, (Rahul G a)

Director General of Mines Safety Annexure DGMS approval No. 642 of 2012 renewed by Directorate's letter _ ......................./EHQ dated...... .

Conditions for renewal of DCMS approval no. 642 of 2012 under Regulation 181 (3) of the Coal Mines Regulations, 1957 for Flameproof/Weatherproof Foot Switch in cast iron/mild steel fabricated construction, rated at 25 A, 550 V, designated by Wpe no. MEC-FLP-WP- FS-08 conforming to IS/IEC 60079-0:2007, IS/IEC 60079-1:2007 and IS/IEC 60529-2001 manufactured by M/s. Mining Equipment Corporation, Gurgaon for use in belowground Coal Mines.

(i) Every unit Shail carry' conspicuously in a permanent manner the aforesaid identification mark, i.e. 'DGMS APPROVAL NO. 642 of 2012 renewed vide DGMS letter no.

....../EHQ dated. .....

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

Gopro .4PPROVSV

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

(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, Spare parts shall be made readiiy avaiiabie to the user as and when required for proper maintenance of the equipment.

(a) The customer shali be supplied the copy of this approval letter, the test report from the testing 'aboratory 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 cf apparatus/equipment.

(b) The customer Shail 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 deliven/ of the equipment.

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

Contd.P-2 6.

10.

11.

12.

13.

14.

15.

16.

-2- Any modification to the motor that might be considered necessary at a later date shall be effected upon being so directed by this Directorate.

While seeking renewal of approval, valid BIS license in the case of Indian manufacturers and in case cf foreign manufacturers, QAR/QAN as may be applicable shall be submitted.

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 deerned to be suspended.

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 user and to this Directorate.

The cable entn/ 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.

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 24.0802018 from the date of expiry i.e. from 24.08.2016.

The equipment manufactured subsequently shall be identical to the proto type tested at CIMFR vide test report No. CIMFR/TC/SR/H615 dated 23.122013 and No. CIMFR/TC/1P/H460 dated 03,03.2016.

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

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 tc 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 plicable at any time.

(Rahul G a)

Director General of Mines Safety

Reproduced from the official DGMS circular compilations for public reference. The PDF is the authoritative text; DGMS may have amended or withdrawn older instructions since.