DGMS

Application

Approval Letter View

Approved No :- 61941 dated 06.09.2024

NO: E-29021|61941|2024|Electrical(HQ) Dhanbad, Date: 06/09/2024

DGMS APPROVAL NO: 743 of 2019 (Renewal approval)

From

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

DIAO JIANHUA, CHINA COAL OVERSEAS DEVELOPMENT CO. LTD., NO. 192 ANWAI STREET, DONGCHENG DISTRICT, BEIJING
Beijing, DONGCHENG, DONGCHENG, 100011

Subject: Conforming to Regulation 208(3) of the Coal Mines Regulations, 2017 for Flameproof and intrinsically safe electrical equipment as mentioned in Annexure ‘B’ in the name of M/s China Coal Overseas Development Co. Ltd. Conforming to IS/IEC 60079-0:2017, 60079-1:2014 and IS/IEC 60079-11:2011 for use in Jhanjra Project of M/s ECL- Renewal thereof.

Ref No-: Test report nos. as mentioned in the appended annexure "A" and mine user performance report letter no. AGENT/JAR/2023-24/659 dated: 04/08/2024.

Sir,

Please refer to your online application no. E-29021/61941/2024/Electrical (HQ) dated 10/06/2024 on the above subject and test reports 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 renew the approval (DGMS Approval No. 743 of 2019) granted regular approval vide this Directorate's letter No. 592/104 / EHQ dated: 31/01/2019; for a further period of two years, i.e. up to 31/01/2026 for use in belowground Coal Mines.

In the interest of safety, the OEM guidelines shall be adhered to and spares, supplied by OEM shall only be used while maintaining the machine/Equipment. The conditions mentioned in the original approval and subsequent renewal letters, if any, shall be strictly complied with and the test reports of all the electrical items covered under approval, conforming to the latest testing standards, specifically the Intrinsically Safe Multifunctional Voice Terminals, Type: KTC 109.5, shall be submitted within three months, if not submitted before.

The application for renewal should be made at least three (03) months before the date of expiry of this approval.

Your Sincerely,

(UJJWAL TAH)
Director General of Mine Safety - (HQ)
Date : 06/09/2024

Annexure ‘A’

List of Flameproof and Intrinsically Safe electrical equipment in the name of M/s China Coal Overseas Development Co. Ltd., China for use in coal mines in India under Regulation 208(3) of the Coal Mines Regulations, 2017 issued vide Directorate’s Letter no. 592/104 /EHQ dated 31/01/2019.

Sr. No.	Items	Manufacturer	Test Certificate	Testing Standard
1	Flameproof Permanent Magnet High- Voltage Vacuum Distribution Equipment Model:PBG-400/6.6 Y	M/s Dianguang Explosion proof Technology Co. Ltd. China	IN/CIMFR/TR24/R/H 145 dated 31/05/2024	IS/IEC 60079-0:,2017 IS/IEC 60079-1:2014
2	High- Voltage Vacuum switch for flameproof movable substation, Model: KBG-400/6.6 Y	M/s Dianguang Explosion proof Technology Co. Ltd. China	IN/CIMFR/TR24/R/H 93 dated 13/05/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
3	Flameproof dry type transformer for flameproof movable substation, Model: KBSG-500/6.6 YZ	M/s Dianguang Explosion proof Technology Co. Ltd. China	IN/CIMFR/TR24/R/H 141 dated 31/05/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
4	Low- voltage Vacuum Protect Box for flameproof movable substation, Model: BXB-800/1100(550)Y	M/s Dianguang Explosion proof Technology Co. Ltd. China	IN/CIMFR/TR24/R/H 95 dated 13/05/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
5	Flameproof dry type transformer for flameproof movable substation, Model: KBSG-315/6.6 YZ	M/s Dianguang Explosion proof Technology Co. Ltd. China	IN/CIMFR/TR24/R/H 129 dated 29/05/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
6	Flameproof and intrinsically Safe Double circuit reversible vacuum electromagnetic starter Model: QJZ16-10 + 120/550N	M/s Dianguang Explosion proof Technology Co. Ltd. China	IN/CIMFR/TR24/R/H 94 dated 13/05/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
7	Flameproof and intrinsically Safe Double circuit reversible vacuum electromagnetic starter Model: QJZ16-10+ 120/550 N	M/s Dianguang Explosion proof Technology Co. Ltd. China	IN/CIMFR/TR24/R/H 63 dated 29/04/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
8	Flameproof and intrinsically Safe Double circuit reversible vacuum electromagnetic starter Model: QJZ16- 120 /550 N	M/s Dianguang Explosion proof Technology Co. Ltd. China	IN/CIMFR/TR24/R/H 91 dated 13/05/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
9	Flameproof and intrinsically Reversible Safe vacuum electromagnetic starter Model: QJZ16-120/550 S	M/s Dianguang Explosion proof Technology Co. Ltd. China	IN/CIMFR/TR24/R/H 58 dated 26/04/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
10	Flameproof Vacuum circuit Breaker, Model: KBZ-400/1100(550)	M/s Dianguang Explosion proof Technology Co. Ltd. China	IN/CIMFR/TR24/R/H 74 dated 02/05/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
11	Flameproof and intrinsically Safe Comprehensive Protective device for Electric Drill, Mode: ZBZ-4.0/550 Z	M/s Dianguang Explosion proof Technology Co. Ltd. China	IN/CIMFR/TR24/R/H 137& 133 dated 31/05/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
12	Flameproof Protective device for Lighting, Model: ZBZ-4.0/550 M	M/s Dianguang Explosion proof Technology Co. Ltd. China	IN/CIMFR/TR24/R/H 68 dated 31/05/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
13	Flameproof Cable Connector, Model: LBG5-500/6.6	M/s Yueqing Mining Equipment Plant	IN/CIMFR/TR24/R/H 42 dated 23/04/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
14	Flameproof Cable Connector, Model: LBG3-500/3300	M/s Yueqing Mining Equipment Plant	IN/CIMFR/TR24/R/H 44 dated 23/04/2024	IS/IEC 60079-0:,2017,IS/IEC 60079-1:2014 & IS/IEC 60529:2001 (Reaffirmed 2014
15	Flameproof Cable Connector, Model: LBG1-500/3.3	M/s Yueqing Mining Equipment Plant	IN/CIMFR/TR24/R/H 24 dated 18/04/2024	IS/IEC 60079-0:,2017,IS/IEC 60079-1:2014 & IS/IEC 60529:2001 (Reaffirmed 2014)
16	Flameproof Cable Connector, Model: LBD8-500/1140	M/s Yueqing Mining Equipment Plant	IN/CIMFR/TR24/R/H 25 dated 18/04/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
17	Flameproof Cable Connector, Model: LBD1-350/1140	M/s Yueqing Mining Equipment Plant, China	IN/CIMFR/TR24/R/H 15 dated 16/04/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
18	Flameproof Cable Connector, Model: LBD6-250/1140	M/s Yueqing Mining Equipment Plant, China	IN/CIMFR/TR24/R/H 23 dated 18/04/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
19	Flameproof Cable Connector, Model: LBD2-100/1140	M/s Yueqing Mining Equipment Plant, China	IN/CIMFR/TR24/R/H 11 dated 15/04/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
20	Flameproof Cable Connector, Model: LBD5-25/250	M/s Yueqing Mining Equipment Plant, China	IN/CIMFR/TR24/R/H 16 dated 16/04/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
21	Contra rotating Auxiliary Fan, Model: FBDYNO. 8.0/2 x 55(S)	M/s Nanyang Explosion Protection Group Co. Ltd, China	IN/CIMFR/TR24/R/H 47 dated 25/04/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
22	Flameproof Control Button. Model: BZA1-5/36-3	M/s Shenyang Guangjiao Equipment Co. Ltd, China	IN/CIMFR/TR24/R/H 14 dated 16/04/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
23	Flameproof Control Button. Model: BZA1-5/36-2	M/s Shenyang Guangjiao Equipment Co. Ltd, China	IN/CIMFR/TR24/R/H 59 dated 26/04/2024	IS/IEC 60079-0:,2017, IS/IEC 60079-1:2014
24*	Intrinsically Safe Multifunctional Voice Terminals, Type: KTC 109.5	M/s Zhongluan Technology Co. Ltd, China	CIMFR/TC/H132 dated 09.07.2015	IS/IEC 60079-0:,2004 IS/IEC 60079-11:2006

(Note: For the IS apparatus mentioned at Sln.24, test reports conforming to the latest testing standards i.e IS/IEC 60079-0:,2017 & IS/IEC 60079-11:2011 shall be submitted within three months from the date of issue of this letter.)

Your Sincerely,

(UJJWAL TAH)
Director General of Mine Safety - (HQ)
Date : 06/09/2024

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