71. List of plans, sections and instruments and their storage.
(1)All plans and sections, and tracings or copies thereof, kept at the mine shall be serially numbered.(2)Suitable arrangements shall be made at every mine for the proper storage and maintenance of every plan and section and of all instruments and materials and such arrangements shall provide for flat storage of every plan and section maintained under these regulations:Provided that where special conditions exist the Chief Inspector may by an order in writing, permit storage and maintenance of plans and section in any other form subject to such conditions as he may specify in the order.(3)Every field book and other notes used in the preparation of plans and sections requited under these regulations shall be duly indexed and kept in the office at the mine.(4)A list of all plans and sections maintained under these regulations, or any orders made thereunder, and tracings or copies thereof; of all survey instruments provided under regulation 70 with their respective types specifications and identification numbers; and of all field books and other notes kept under sub-regulation (3) shall be kept in a bound paged book kept for the purpose, and shall be brought up-to-date whenever necessary.(5)Every entry in the book shall be signed and dated by the surveyor, and countersigned and dated by the manager.
