NO: E-29021|30715|2021|Electrical(HQ) Dhanbad, Date: 03.02.2021
Chief Inspector of Mines &
Director General of Mines Safety
Directorate General of Mines Safety,
Dhanbad - 826 016.
Shri B. Deb - Director
M/s. Industries Syndicate
7, Chittaranjan Avenue,
P.B. No. 13324, Kolkata – 700072.
Sub: Approval under Regulation 208 (3) of the Coal Mines Regulations, 2017 for Flameproof Electro-Hydraulic Thrustor with integral motor, Type No. TTF33250 rated upto 1130 V, 3 Phase, 50 Hz thrust 150 kg & 100 mm stroke in cast iron construction manufactured by M/s. Industries Syndicate, Kolkata conforming to IS/IEC 60079-1:2007, IS/IEC 60079-0:2004 & IS/IEC 60529:2001 for use in belowground Coal Mines– Renewal thereof.
Please refer to your online application No. E-29021/30715/2021/Electrical(HQ) dated 22.01.2021, offline application No. DGMS/DO/10/20/947 dated 04.11.2020 on the above subject and CIMFR test report No. CIMFR/TC/SR/H377 dated 17.08.2012, BIS License No. CM/L- 5208857 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. 283 Group-I of 1987) granted vide this Directorate's letter No. 315/87/1066/EHQ dated 09.09.1987 for a further period of five years, i.e. up to 20.09.2025 for use in belowground Coal Mines. The conditions mentioned in the original approval and subsequent renewal letters 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.