Intrinsically safe Lodestar System (SAIT Mine Line)

oove-nmenu- Of jnoia Ministry of Labour & Employment Directorate General of Mines Safety From The Director Genera: of Mines Safety Directorate General of Mines Safety, PO & Distt: Dhanbad - 826 016.

To Shri Dhrubo Mukerjee, Director M/s. SAIT Mine Line Pvt. Ltd.

52, Golf aub Road Kolkata-IOO 033.

Sub: Renewal of DGMS approval No. 581 of 2009 under Regulation 181 (3) of the Coal Mines Regulations, 1957 for intrinsically safe Lodestar System conforming to IS/IEC 60079-11:2006 manufactured by M/s. SAIT Mine Line Pvt. Ltd., Kolkata for use in belowground Coal Mines.

Ret: CIMFR test report No. CIMFR/TC/P1305 dated 27.12.2012.

IDENTIFICATION MARK DGMS APPROVAL NO. 581 of 2009 Dear Sirs, Please refer to your letters No. SMPL/DM/D34/17/1 dated 04.04.2017 and subsequent correspondence thereupon the above subject.

Based on DGMS approval No. 581 of 2009 issued by this Directorate's letter No.

333/794/EHQ dated 15.04.2009, BIS Licence No. 5458981 and above test report under reférence, I hereby renew the approval u to 12.04.2019 from the date of ex i from 12.04.2017 for use in belowground Coal Mines, subject to compliance vvith conditions stipulated in the oricinal approval as letter.

Please note that applicatidn for renewai should be made at least three (03)

months before the date of expiry of the approval, Yours faithfully, (Prasanta Kumar Sarkar)

Director General of Mines Safety Encl . Annexure zpprcvz; Nc, cf 2CC9 bv th7s Directorate's letter dated..

Annexuve ./EHQ Conditions For reroevvai of DGjvi3 Nc. c.c under 18! (3) oi Coal Mines Qegu!aticns, 1957 for intrinsically safe Lodestar System conforming tc JS/IIEC 60079-11:2006 manufactured by M/s. SAIT Mine Line Pvt. Ltd., Kolkata for use in belowground Coal Mines.

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(i) Every unit shall carry conspicuously in a permanent manner the aforesaid identification mark, i.e. DCMS APPROVAL NO. 581 of 2CC9 renewed vide DGMS letter No.... ... ......./EHQ dated..

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

(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 available tc the user •as and when required for proper maintenance of the equipment.

(a) The customer shall be supplied the copy of this approval letter, the test report Of the trom Che cescing condition & special conditions, maintenance schedule, if any, recommended by the testing laboratory in their test report(s) so as tc 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 catalccve the time of deiivery of the equipment.

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

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

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-2- An officer of this Directorate may at any time draw a sarnp:e either frcrn the factory or from the user arid get it tested the ccst cf the manufacturer.

if the test reports are not satisfactory, this apprcva: shEl! be deemed tc be suspended.

or sca'ouecc•s appiic?Dle 10 Che procuct/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.

The renewal of the subject equipment is with regard to Ex standards mentioned electfica;

herein, Other re'evant standards applicable fc:- assess-nent of its parameters required under lype test have not been taken into consideration.

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

In case of any permissible variations issued from this Directorate, they shali alsc be read along with this letter and the original approval letter.

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 sarne shall remain valid as long as the apparatus is manufactured and marketed.

The approval is renewed upto 12.04.2019 from the date of from 12.04.2017.

The equipment manufactured subsequently shall be identical to the proto type tested at CIMFR vide test report No. CIMFR/TC/P1305 dated 27.12.2012.

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 to 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 tc any other provisions of law which may be or may become applicable at any time.

(Prasanta Kumar Sarkar)

Director General of Mines Safety