(1) Every plan or section prepared or submitted in accordance with the provisions of these rules shall -
(a) show the name of the mine and of the owner and the purpose for which the plan or section is prepared;
(b) show the true north or the magnetic meridian and the date of the latter;
(c) show a scale of the plan at least twenty five centimetres long and suitably subdivided;
(d) unless otherwise provided, be on a scale having a representative factor of –
(i) 200 : 1 in case of mica mines and other mines having small-scale workings below ground;
(ii) 2000 : 1 in case of mines having large open cast working and also in case of surface plans of large leasehold areas; and
(iii) 1000 : 1 in other cases:
Provided that the Chief Controller of Mines may, by an order in writing and subject to such conditions as he may specify therein, permit or require the plans to be prepared on any other suitable scale;
(e) be properly inked in on a durable paper or on tracing cloth or other suitable material and be kept in good condition.
(2) The conventions prescribed under the Metalliferous Mines Regulations, 1961, shall be used in preparing all plans and sections required under these rules.
(3) The plans and sections shall be accurate within such limits of error as the Controller General may specify by a general or special order.
1 [(4) The plans and sections required under these rules shall be maintained up to date within three months in case of category ‘A’ mines as referred to in clause (b) of sub-rule (1) of rule 42, and within twelve months in the case of any other mine.]
_____________________________________________________________________________ 1 Substituted by G.S.R. 22 (E), dated 11.1.2002.
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