2021 Wyoming Statutes
Title 30 - Mines and Minerals
Chapter 3 - Mining Safety
Article 5 - Ventilation and Dust Control
Section 30-3-503 - Booster Fans Prohibited; Exceptions; Safeguards Required When Used.

Universal Citation: WY Stat § 30-3-503 (2021)

30-3-503. Booster fans prohibited; exceptions; safeguards required when used.

(a) Booster fans are prohibited unless the inspector determines their installation is necessary for the safe operation and proper ventilation of the mine and gives permission in writing to install them. In mines where such fans are now being used their use may be continued but they, and any new installations, shall be surrounded with safeguards established by rule of the inspector and as follows:

(i) Repealed by Laws 1995, ch. 31, § 2.

(ii) Repealed by Laws 1995, ch. 31, § 2.

(iii) In case of booster-fan stoppage, the procedure outlined in this act with respect to stoppage of main fans shall apply to the section of the mine affected;

(iv) Inspected at least twice each shift during which the fan operates by a certified official designated by the mine foreman.

(b) The following applies to auxiliary fans with tubing used in underground mines:

(i) Repealed by Laws 1995, ch. 31, § 2.

(ii) Repealed by Laws 1995, ch. 31, § 2.

(iii) The fan tubing of an auxiliary fan shall be maintained in good condition. The discharge end of the tubing shall be kept within forty-five (45) feet of the face, and not more than three hundred fifty (350) feet of the tubing shall be extended from the fan unless otherwise authorized in writing by the inspector to accommodate larger mining equipment.

(iv) Repealed by Laws 1995, ch. 31, § 2.

(v) Repealed by Laws 1995, ch. 31, § 2.

(vi) Repealed by Laws 1995, ch. 31, § 2.

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