|
NO: E-29021|30776|2021|Electrical(HQ) Dhanbad, Date: 25/05/202
From
Chief Inspector of Mines &
Director General of Mines Safety
Directorate General of Mines Safety,
Dhanbad - 826 016.
To
SHIB BHOWMIK, Joy Global (UK) Limited,
JOY GLOBAL (UK) LIMITED 4 SWANWICK COURT ALFRETON DERBYSHIRE - DE55 7AS
Derbyshire, ALFRETON, ALFRETON, 0
Sub: Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for Flameproof and Intrinsically Safe Electrical Equipment (as mentioned in Annexure-A) to be associated with 14CM15 Continuous Miner manufactured by M/s. Joy Global (UK) for use in belowground Coal Mines – Renewal thereof.
Sir,
Please refer to your online application No. E-29021/30776/2020/Electrical (HQ) dated 05.03.2021 and offline application No. JGI/DGMS/2019/53 dated 21.08.2019 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 renew the approval (DGMS Approval No. 684 of 2014) granted vide this Directorate's letter No. 483/1653/EHQ dated 17.11.2014 for a further period of two years, i.e. up to 17.11.2021 for use in belowground Coal Mines. The conditions mentioned in the original approval and subsequent renewal letters, if any, shall be strictly complied with.
Please note that application for renewal should be made at least three (03) months before the date of expiry of the approval.
|
Yours faithfully,
|
|
|
|
(PRABHAT KUMAR)
Chief Inspector of Mines &
Director General of Mines Safety
|
Enclosure: Annexure-A.
Annexure - A
List of Flameproof and Intrinsically Safe electrical equipment associated with 14CM15 Continuous Miner manufactured by M/s. Joy Global (UK).
|
Sl No
|
Description of the equipment
|
Make
|
Name of the test Lab
|
Test Report no/dt/ DGMS Approval Nos.
|
|
1.
|
Flameproof induction motor in cast iron and steel construction (FE quality 430), frame size-9DB280J and model No. 600361-0202 rated at 40 KW, 1050 V, 4 pole, 1440 rpm, 3 phase.
|
Baldor Electric Company, USA
|
CIMFR
|
CIMFR/TC/P/H20 dated 12.04.2013
|
|
2.
|
Flameproof induction motor in cast iron and steel construction (FE quality 430), frame size-8CA350J and model No. 600128-0700 rated at 45 KW, 1050 V/1140 V, 4 pole, 1370 rpm, 3 phase.
|
Baldor Electric Company, USA
|
CIMFR
|
CIMFR/TC/P/H21 dated 12.04.2013
|
|
3.
|
Flameproof induction motor in cast iron and steel construction (FE quality 430), frame size-350J and model No. 600128-0728 rated at 170 KW, 1140 V, 4 pole, 1475 rpm, 3 phase.
|
Baldor Electric Company, USA
|
CIMFR
|
CIMFR/TC/P/H22 dated 12.04.2013
|
|
4.
|
Flameproof traction motor in cast iron and steel construction (FE quality 430), frame size-41J9 and model No. 600505-0080 rated at 26 KW (35 HP), 250 V DC, 1460 rpm
|
Baldor Electric Company, USA
|
CIMFR
|
CIMFR/TC/P/H64 dated 23.04.2012
|
|
5.
|
Flameproof induction motor in cast iron and steel construction (FE quality 430), frame size-X286TCZ and model No. 00600430-0032 rated at 18.7 KW, 1050 V, 2 pole, 2925 rpm, 3 phase
|
Baldor Electric Company, USA
|
CIMFR
|
CIMFR/TC/P/H95 dated 08.05.2012
|
|
6.
|
Flameproof Solenoid Valve, in Zinc plated mild steel construction rated at 126 V DC, 16.9 W (max.) designated by type No. 5000013525
|
Joy Mining Machinery, UK
|
CIMFR
|
CIMFR/TC/P/H96 dated 08.05.2012
|
|
7.
|
Intrinsically Safe STX3261 methane sensor
|
Trolex Ltd., UK
|
CIMFR
|
CIMFR/TC/P/H679 dated 10.01.2013
|
|
8.
|
Intrinsically Safe TX5831 insertion level switch
|
Trolex Ltd., UK
|
CIMFR
|
CIMFR/TC/P/H734 dated 06.02.2013
|
|
9.
|
Flameproof enclosure box, type-COFFRET 13 rated at 1100 V, 500 A
|
Power Line, Howrah
|
CIMFR
|
CIMFR/TC/P/H182 dated 19.06.2012
|
|
10.
|
Flameproof enclosure box, type-COFFRET 11 rated at 1100 V, 500 A
|
Power Line, Howrah
|
CIMFR
|
CIMFR/TC/P/H183 dated 19.06.2012
|
|
11.
|
Flameproof enclosure box, type-COFFRET 12 rated at 1100 V, 500 A
|
Power Line, Howrah
|
CIMFR
|
CIMFR/TC/P/H223 dated 29.06.2012
|
|
12.
|
1100 V grade flexible cable type FT-7 with three power cores and one pilot core having the same nominal cross sectional area of 95 mm2 each having metallic screen laid around bare earth conductor of 16 mm2 and complying the code of colours for three phases, (Red, Yellow, Blue) earth (Green) and pilot (Black) core as per IS:14494-1998
|
Prysmian Kabel und Systeme GmbH, Germany
|
|
DGMS approval No. 99 of 2006
|
|
13.
|
Flexible multicore individually screened with pliable wire armouring elastomeric cable rated at 320/550 V, 8 A, 24x0.93 mm2, model No. Protomont type 524 conforming to IS:14494-1998
|
Prysmian Kabel und Systeme GmbH, Germany
|
|
DGMS approval No. 119 of 2012
|
|
