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This document discusses excavation, mucking, ventilation, and support during the construction of raises and winzes using various methods. It describes the excavation process for manual raising, compartment, jora raising, alimak raising, longhole drilling, and drop raising methods. Mucking procedures vary between allowing material to fall naturally and using remote controlled vehicles. Ventilation aims to remove fumes and varies in effectiveness between methods. Support involves scaffolding, stulls, timberin

Author

MINISH REDDY

Language

EN