DGMS (Tech.) (S&T) Circular No. of Dhanbad, Dated.2 i 01·. The Owners, Agents and Managers of all mines. Sub Guidelines on Occupational . KB minsafety Apr on (Tech)(Approval) Cir No. Files > DGMS Circulars Name DGMS (Tech) Circular 1 of DGMS CIRCULAR LEGISLATIVE AMENDMENT IN THE MINES RULES, CLICK ME TO DOWNLOAD DGMS CIRCULAR.

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Performance test at two rescue stations. Hazard identification in Safety mangement system.

List of Mine Officials and Competent Persons. Automatic Speed Chart Recorder. Quality of Brake liner. Use of mobile phones and two-way radio transmitters during charging of explosive and infilling stations Recommendations of Godavarikhani No.

Inspection of the manufacturing facilities of the applicant may be made to assess capability of the manufacturer in respect of quality control, testing and other facilities. The general procedure for dealing with cases of approval is given in the following paras, in most of the cases this procedure is followed.

Shopping Cart 0 Item s. A copy of the circular mentioned above is given at Appendix-III.

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The above documents are scrutinised and if found in order, Field Trial approval is granted with a validity ranging from three months to one year depending on the equipment. In the said notification: Pipe lines and fittings Specification approval if not as per ISS.


A record of coupling in use stating the reference number, date of manufacture and date of use shall be dhms. Gas detectors 90 days 3 nos. For an application complete in all respects, the time period between receipt of application in DGMS and grant of field trial approval should not normally exceed ninety 90 days.

Hydraulic fluid used in underground machinery. Post detonation fumes. Flame Safety Lamp 90 days for 9 hrs.

Mines Safety Association Kerala Region. At least three mines. Of General Manager or equivalent: Circularw use of mobile Cranes — Code of Pract.

GSR dated 6. Application for renewal of such approvals shall be made by the manufacturer at least sixty days prior to the expiry of the approval. To be submitted in duplicate.

Percentage of inflammable gas in general body of air, at the face: The instructor should explain and 22011 each stage, and should allow operator to practice in turn. Any coupling involved in derailment or accident shall be specially inspected at the earliest opportunity and if suspected to have been damaged it shall not be used unless certified by a competent person superior circuulars rank to one taking the inspection and report of such inspection be kept.

The application must be accompanied by satisfactory performance reports from the users. Care circjlars be taken that the identification is neither too sharp nor excessive in depth.

Depth of sockets, presence of explosive in socket, any other unusual happening, such as deflagration, etc. For steels mentioned at 2.


Where the shelves of a stone dust barrier extend through a junction of galleries, either the cross galleries shall be blocked off by stopings and such galleries kept adequately treated with stone dust and ventilated, or the shelves extended into the cross galleries for a length on either side which is not less than the length of barrier extending over the junction and outbye of it. The list also includes the equipment requiring approval through notification in official gazette issued under enabling provisions by DGMS from time to time.


However, as a cross check, it is advisable to get some of the routine tests done from National Test House or other test houses as indicated in Paras 20111 2 and 3 above as well. In the past, approval granted were either renewable type or type with permanent approval status. It is essential that practice is closely and constantly monitored. Protective Footwear days 3 nos. Order under Regulation D 1 of the Coal Mines Regulations,on type of self-rescuers to be used in belowground workings of coal mines.

In such cases test certificates from countries of origin of the equipment may be accepted on merit at the discretion of the approving authority. Precautions to be observed during the operation and maintenance of Derrick Cranes.