Coal mining equipment approval

of India Ministry of Labour & Employment Directorate General of Mines Safety /EHQ, Dhanbad, dated the Speed Post -II --2016 No.

From:

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

To Mr. Ramlinga Raya Reddy - Partner M/s. A-Bond Strands, No. 164 - Developed Plots, Perungudi, Chennai - 600096.

Sub:- Ref:- DGMS approval under Regulation 181(3) of the Coal Mines Regulations, 1957 for Flameproof/Weatherproof Half coupler, adopter and bend Adapter Model No. ABS rated at 3.3 KV, 300 Amp conforming to IS/IEC 60079-1:2007, IS/IEC 60079-0:2004 and IS/IEC 60529:2001 manufactured by M/s. A-Bond Strands, Chennai for use in belowground coal mines.

CIMFR test report No. CIMFR/TC/P/1471 dated 10.03.2014.

IDENTIFICATION MARK DGMS APPROVAL No. ..7.j6.. OF 2016 Dear Sir, Based on the CIMFR test report under reference and performance report received from M/s. Singareni Collieries Company Limited, P.O.: Kothagudem, Distt: Khammam-507 IOI(A.P.) approval is hereby accorded to the subject equipment for use in belowground Coal Mines for a period of five (05) years from the date of issue of this letter, subject to compliance with the conditions stipulated in the Annexure.

Encl: Annexure Yours faithfully, (Rahul Guha)

Director General of Mines Safety ANNEXURE vide Directorate's letter DGMS Approval no.

.. .../EHQ dated .

no........ . ... .. .....

3 ip-L of 2016 issued Conditions for DGMS approval under Regulation 181(3) of the Coal Mines Regulations, 1957 for Flameproof/Weatherproof Half coupler, adopter and bend Adapter Model No. ABS conforming to IS/IEC 60079-1:2007, IS/IEC 60079-0:2004 and IS/IEC 60529:2001 manufactured by M/s. A-Bond Strands, Chennai for use in belowground coal mines.

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Every unit shall carry conspicuously in a permanent manner the aforesaid of 2016 issued vide DGMS identification mark, i.e. 'DGMS APPROVAL NO.

letter no.

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

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

APPROVAL • (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 readily available to 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 repot 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.

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

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.

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.

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.

The approval is accorded for a period of 05 (five) years from the date of issue of this letter.

The equipment manufactured subsequently shall be identical to the proto type tested at CIMFR test report No. CIMFR/TC/P/1471 dated 10.03.2014.

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 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 necessan,' 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.

(Rahul Guha)

Director General of Mines SafeW