This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1899 Excerpt: ...equipped with buildings and machinery, with only the working shaft for exit, shall be divided into at least two (2) compartments, one of which shall be tightly partitioned off and used for a ladderway as hereinbefore provided for, said ladderway shall be securely bulkheaded at a point at least twenty five feet below ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1899 Excerpt: ...equipped with buildings and machinery, with only the working shaft for exit, shall be divided into at least two (2) compartments, one of which shall be tightly partitioned off and used for a ladderway as hereinbefore provided for, said ladderway shall be securely bulkheaded at a point at least twenty five feet below the collar of the shaft, and below this bulkhead, a drift shall be run to the surface, if location of drift is upon side hill, or wall without the building and upraised to the surface, if upon a level. Said ladderway and landings shall be kept at all times in good repair and afford easy mode of escape in event of fire. Fifteenth--That hereafter all tunnels or adit levels at safe distance from mouth of same shall connect with the surface, and be provided with safe and suitable ladders, and thus afford a means of exit in case of fire destroying buildings over the mouth of tunnel or adit level. Sixteenth--That employes engaged in sinking shaft to or incline, shall at all times be provided with chain or other kind of ladder so arranged as to insure safe means of exit. Seventeenth--That all shaft collars hereafter con-shaft collars structed, shall be covered and so arranged that persons or covered, foreign objects cannot fall into the shaft. Where a mining cage is used a bo'hnet which raises with the cage and falls back into place when the cage decends descends shall be used. This bonnet or shaft cover need not be tight beyond what would exclude anything from falling into the shaft that would endanger life, and the cage shall also be equipped with safety clutches and a steel safety clutches, hood, or bonnet, oval in shape, if solid, and if divided in construction of. the middle and hinged at the sides, the angles of the sides when closed shall not be...
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