Article 3. Hoists, Shafts and Underground Operations  


Sec 27-341. Escapement shafts
Sec 27-342. Mine outlets
Sec 27-343. Structures over mine outlet
Sec 27-344. Timbering support
Sec 27-345. Shelter areas
Sec 27-346. Ladder-ways
Sec 27-347. Construction of ladder-ways
Sec 27-348. Shaft stations
Sec 27-349. Tracks and roadbeds; maintenance underground
Sec 27-350. Lights; trolley wires
Sec 27-351. Hoists; operator; indicator
Sec 27-352. Inspection and construction of hoists
Sec 27-353. Safety cage and catches
Sec 27-354. Cross-heads; buckets
Sec 27-355. Hoisting tools and materials
Sec 27-356. Protection from falling materials
Sec 27-357. Hoist release signal
Sec 27-358. Signaling apparatus
Sec 27-359. Signal code
Sec 27-360. Precautions against flooding
Sec 27-361. Common system of drainage; contribution of cost
Sec 27-362. Order for inspection
Sec 27-363. Danger signals; visitors
Sec 27-364. Interfering with equipment
Sec 27-365. Regulation of underground use of internal combustion engines
Sec 27-366. Maps of underground workings
Sec 27-367. Maintenance and use of loading equipment
Sec 27-368. Ventilation; condition of airways; testing
Sec 27-369. Evacuation; procedure; routes
Sec 27-370. Stench warning
Sec 27-371. Radon control
Sec 27-372. Uranium operations; testing for radon daughters
Sec 27-373. Cap lamps