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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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Facilities required at Group Training Centers and standard of training. It is essential that practice is closely and constantly monitored.

However, there may be cases, which may deviate slightly from the laid down procedure under special circumstances or due to unique nature of the equipment or material.

During field trials, the performance of the equipment, material, etc.

DGMS Circulars | Online Mining Blog

In case there is any change in respect of the information furnished in the application, the applicant shall forthwith send information in the same circularw duly revised but in no case later than one month from the date of such change. An equipment, material or appliance which had been granted approval based on such standards need to be amended incorporating the changes.

Approval of equipment and test reports. Item Self-rescuer has been deleted from the list, as specific provision exist under Regulation D of the Coal Mines regulations, Depth of sockets, presence of explosive in socket, any other unusual happening, such as deflagration, etc.

The operator can be evaluated and further training may be given if necessary.


Type and manner of construction and maintenance of stone dust barriers under sub-regulation 2 if Regulation C of the Coal Mines Regulations, in gassy seams of Second and third Degree. Effective training has a huge impact on operating 20111 and helps in reducing accidents. Application for renewal of such approvals shall be made by the manufacturer at least sixty days prior to the expiry of the approval. The gallery outbye of such stopings shall be kept clean of curculars dust heavily stone-dusted and circularx ventilated.

Type tests carried out on a prototype to ensure its conformity to the relevant standards. Presentation Skills as a part of communication. These barriers shall, as far as possible, be so arranged that they are in the middle of a straight stretch, at least m. If the above reports are satisfactory, approval is granted for a specified period which differ for different equipment.

Only following material shall be used: If any dispute arises whether a stoping is explosion proof, it shall be referred to the Chief Inspector for decision so, however, that such stoping shall be of strong construction with brick in cement and not less than 1. Hence, it is necessary that the approvals have a period of validity and even those products which had received permanent approval in the past need to be converted into approvals on renewable basis. Forge welding of steel is not desirable.

If couplings are procured from more than one manufacturer, the name, address and other relevant informations in respect of each shall be recorded in a bound paged book. All safety conferences on mine has deliberated in detail and insisted on providing training to operators for better productivity and to ciruclars accidents. Metal Restricted View Course. Percentage of inflammable gas in general body of air, at the face: Jointing shall be done by electrical welding and not by smithy welding.


Every coupling after all forging and welding operations shall be normalised in a recognised establishment and certificate for heat-treatment shall be obtained. The document is divided in several sections each dealing with a particular area of the approval procedure.

DGMS Circulars 1935-2017

Online Mining August 6, It this shows that the dust has tended to cake or consolidate the dust in the barrier shall be removed and replaced by fresh dust. One year followed by two years.

Investigation into the causes of such failures of couplings have revealed that the defects were due to one or more of the following factors: When in any entry a stoping is to be provided instead of a dust barrier, such 2011 shall be explosion proof. The said notifications are given at Appendix-IA. Safety belts should conform to IS Provision of proper Audio Visual Alarm during reversing of vehicles.

The general procedure for dealing with cases of approval is given in the following paras, in most of the cases this procedure is followed. Distance of face from last ventilation connection: Quantity of air at the last ventilation connection: