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NO: E-29021|30802|2021|Electrical(HQ) Dhanbad, Date: 26/03/2021
DGMS APPROVAL NO.- 777 of 2021
From
Chief Inspector of Mines &
Director General of Mines Safety
Directorate General of Mines Safety,
Dhanbad - 826 016.
To
Shri Harish B. Dhoot - Technical Director
M/s. Flameproof Equipments Pvt. Ltd.
Plot No.B-39, (Near Monginis Cake Factory),
New Link Road, Andheri (West), Mumbai- 400 053.
Sub: Approval under Regulation 208(3) of the Coal Mines Regulations, 2017 for Flameproof/Weatherproof Enclosure for Pull Cord Switch, rated at maximum 32A, up to 110V AC/DC, Type No.: FLP-RH-4000 with mining type glands or double compression type cable glands manufactured by M/s. Flameproof Equipments Pvt. Ltd., Mumbai conforming to IS/IEC 60079-0:2017, IS/IEC 60079-1:2014 and IS/IEC 60529:2001 for use in belowground coal mines – Regular approval thereof.
Sir,
Please refer to your online application E-29021/20176/2018/EHQ dated 09.01.2019, and subsiquent letter no.- FEPL/HBD/DGMS/2100/2021, dated 17-03-2021 and CIMFR Test & Assessment Report Nos. IN/CIMFR/TR21/4135 dated 22.02.2021 & IN/CIMFR/TR21/4133 dated 22.02.2021, BIS License No. CM/L – 0850855 and based on the performance report on the above subject & test report nos. as per Annexure-A and other documents submitted therewith in this regard.
I, in exercise of powers conferred upon Chief Inspector of Mines (also designated as Director General of Mines Safety) under Regulation 208(3) of the Coal Mines Regulations, 2017, hereby accord the regular approval for Flameproof/Weatherproof Enclosure for Pull Cord Switch, rated at maximum 32A, up to 110V AC/DC, Type No.: FLP-RH-4000 with mining type glands or double compression type cable glands manufactured by M/s. Flameproof Equipments Pvt. Ltd., Mumbai (DGMS Approval No. 777 of 2021) for a period of five years, i.e. up to 26.03.2026 for use in belowground coal Mines with the condition mentioned in Annexure-I.
Please note that application for renewal should be made at least three (03) months before the date of expiry of the approval.
Yours Faithfully,
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(PRABHAT KUMAR)
Chief Inspector of Mines
Directorate General of Mines Safety
Dated 26.03.2021
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Enclosure: Annexure – I.
Annexure-I
Conditions for Approval under Regulation 208(3) of the Coal Mines Regulations, 2017 for Flameproof/Weatherproof Enclosure for Pull Cord Switch, rated at maximum 32A, up to 110V AC/DC, Type No.: FLP-RH-4000 with mining type glands or double compression type cable glands manufactured by M/s. Flameproof Equipments Pvt. Ltd., Mumbai conforming to IS/IEC 60079-0:2017, IS/IEC 60079-1:2014 and IS/IEC 60529:2001 for use in belowground coal mines.
1. Every unit shall carry conspicuously in a permanent manner the aforesaid identification mark, i.e. ‘DGMS APPROVAL NO. 777 of 2021.
In addition, every unit shall also carry permanently this Directorate’s approval mark, as below:
2. The design of the electrical circuit shall not be changed without obtaining prior approval from this Directorate.
3. Spare parts shall be made readily available to the user as and when required for proper maintenance of the equipment.
4. (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, if any.
5. The user shall furnish the performance report of the equipment directly to this Directorate after one (01) year of actual use.
6. Any modification to the equipment that might be considered necessary at a later date shall be effected upon being so directed by this Directorate.
7. 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.
8. 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.
9. 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.
10. 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.
11. All circulars/general approvals issued by DGMS from time to time, relevant to the equipment shall also be complied with.
12. The approval is accorded for a period of five (05) years, i.e. up to 26.03.2026
13. The equipment manufactured subsequently shall be identical to the proto type tested at CIMFR Test & Assessment Report Nos. IN/CIMFR/TR21/4135 dated 22.02.2021 & IN/CIMFR/TR21/4133dated 22.02.2021.
14. At the time of applying for renewal, details of supply with name of mines, purchase order and date shall be furnished with the application.
15. 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.
16. 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.
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