Metalliferous Mines Regulations, 1961 - Directorate General of ...
Metalliferous Mines Regulations, 1961 - Directorate General of ... Metalliferous Mines Regulations, 1961 - Directorate General of ...
Regional Inspector and to the management of all adjoining mines and of such other mines as might be affected by such flooding. Provided that the Regional Inspector may, be an order in writing and subject to such conditions as he may specify therein, permit such operations to be commenced on any day prior to the expiry of the said 14 days: Provided further that the Regional Inspector may, by an order in writing, either prohibit any such operation or require that such operation shall not be commenced until such precautions as he may specify therein, have been taken to his satisfaction. Explanation. – For the purposes of this sub-regulation, a mine shall have the meaning assigned to it under regulation 33. (2) If the operations in respect of which notice is given under sub-regulation (1), are not commenced within 60 days from the expiry of the said 14 days, the notice shall be deemed to have lapsed and the provision of the subregulation(1) shall apply as if no such notice had been given. 130. Construction of a reservoir, dam or other structure. – (1) Where in any mine it is intended to construct a reservoir, dam or other structure to withstand a pressure of water or other material which will flow when wet, or to control an inrush of water (other than a reservoir, dam or structure for storing small quantities of water) the owner, agent or manager shall give in writing not less than 14 days notice of such intention to the Regional |Inspector. Every such notice shall be accompanied by two copies of plans and sections showing the design and other details of the proposed construction. Provided that where the safety of the mine or of the persons employed therein is seriously threatened, the provisions of this regulation shall be deemed to have been complied with if the said notice is given to the Regional Inspector as soon as the work of construction is commenced : Provided further that where such a reservoir, dam or other structure was constructed before the coming into force of these regulations, the said copies of the plans and sections shall be submitted to the Regional Inspector within three months of the coming into force of these regulations. Where these details are not available, the Regional Inspector shall be informed of the fact within the aforesaid period. (2) The Regional Inspector may, by an order in writing, require such modification or alternations to be made by the design of any such reservoir, dam or structure as he may specify therein. CHAPTER – VIII - Ventilation
131. Standard of ventilatio n. – (1) It shall be the duty of the owner, agent or manager of every mine to take such steps as are necessary for securing that there is constantly produced ion all parts of the mine belowground, ventilation adequate to clear away smoke, steam and dust; to dilute gases that are inflammable or noxious so as to render them harmless; to provide air containing a sufficiency of oxygen; and to prevent such excessive rise of temperature or humidity as may be harmful to the health of persons. If any doubt arises as to whether the ventilation in a mine or part thereof is adequate or not, if shall be referred to the Chief Inspector for decision. (2) For the purpose of this regulations, a place shall not be deemed to be in a safe state for persons to work or pass therein if the air contains either less than 19 percent of oxygen or more than 0-5 percent of carbon dioxide or any noxious gas present in quantity likely to affect the health of any person; and such place shall not be deemed to be normally kept free from inflammable gas if the percentage of such gas at any point in that place exceeds one an a quarter. (3) If with respect to any mine or part thereof the Regional Inspector is of the opinion that the ventilation is not adequate, he may, by an order in writing, require the installation and maintenance of such a mechanical ventilator as is capable of producing adequate ventilation in the mine or part. 132. Mechanical ventilators and their fittings. – (1) Every mechanical ventilator shall be installed in a fireproof hous ing situated at a safe distance from the opening, shaft or winze; and every mechanical ventilator, other than an auxiliary fan, shall be so designed an maintained that the current of air can be reversed when necessary. (2) In every mine to which regulation 142 applies, if electricity is used for driving the mechanical ventilator, current shall be supplied to the drive motor of the ventilator through a separate circuit from mthe main distribution point of the mine. (3) There shall be provided an maintained at every main mechanical ventilator – (a) a suitable pressure-recording gauge or water gauge; and (b) except where the ventilator is driven by a constant speed drive, a recording instrument by which the speed of the ventilator shall be continuously registered. (4) At every shaft or winze ordinarily used for lowering or raising of persons or material, where a mechanical ventilator is installed, there shall be provided a properly constructed air-lock. Provided that unless the Regional Inspector so requires by an order in wr iting, the provision of this sub-regulation shall not apply to a shaft or winze where a
- Page 33 and 34: is being carried out, such tracing
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131. Standard <strong>of</strong> ventilatio n. – (1) It shall be the duty <strong>of</strong> the owner, agent or manager <strong>of</strong><br />
every mine to take such steps as are necessary for securing that there is constantly<br />
produced ion all parts <strong>of</strong> the mine belowground, ventilation adequate to clear away<br />
smoke, steam and dust; to dilute gases that are inflammable or noxious so as to render<br />
them harmless; to provide air containing a sufficiency <strong>of</strong> oxygen; and to prevent such<br />
excessive rise <strong>of</strong> temperature or humidity as may be harmful to the health <strong>of</strong> persons. If<br />
any doubt arises as to whether the ventilation in a mine or part there<strong>of</strong> is adequate or not,<br />
if shall be referred to the Chief Inspector for decision.<br />
(2) For the purpose <strong>of</strong> this regulations, a place shall not be deemed to be in a safe<br />
state for persons to work or pass therein if the air contains either less than 19<br />
percent <strong>of</strong> oxygen or more than 0-5 percent <strong>of</strong> carbon dioxide or any noxious<br />
gas present in quantity likely to affect the health <strong>of</strong> any person; and such place<br />
shall not be deemed to be normally kept free from inflammable gas if the<br />
percentage <strong>of</strong> such gas at any point in that place exceeds one an a quarter.<br />
(3) If with respect to any mine or part there<strong>of</strong> the Regional Inspector is <strong>of</strong> the<br />
opinion that the ventilation is not adequate, he may, by an order in writing,<br />
require the installation and maintenance <strong>of</strong> such a mechanical ventilator as is<br />
capable <strong>of</strong> producing adequate ventilation in the mine or part.<br />
132. Mechanical ventilators and their fittings. – (1) Every mechanical ventilator shall be<br />
installed in a firepro<strong>of</strong> hous ing situated at a safe distance from the opening, shaft or<br />
winze; and every mechanical ventilator, other than an auxiliary fan, shall be so designed<br />
an maintained that the current <strong>of</strong> air can be reversed when necessary.<br />
(2) In every mine to which regulation 142 applies, if electricity is used for driving<br />
the mechanical ventilator, current shall be supplied to the drive motor <strong>of</strong> the<br />
ventilator through a separate circuit from mthe main distribution point <strong>of</strong> the<br />
mine.<br />
(3) There shall be provided an maintained at every main mechanical ventilator –<br />
(a) a suitable pressure-recording gauge or water gauge; and<br />
(b) except where the ventilator is driven by a constant speed drive, a recording<br />
instrument by which the speed <strong>of</strong> the ventilator shall be continuously<br />
registered.<br />
(4) At every shaft or winze ordinarily used for lowering or raising <strong>of</strong> persons or<br />
material, where a mechanical ventilator is installed, there shall be provided a<br />
properly constructed air-lock.<br />
Provided that unless the Regional Inspector so requires by an order in wr iting,<br />
the provision <strong>of</strong> this sub-regulation shall not apply to a shaft or winze where a
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