shaft design for underground mines, for the ore passing, .ventilation, uses in get workers and equipments into or out on the surface etc....

Brunner &Lay “Quality First” since 1882 www.brunnerlay.com 800 872-6899 Page 1 Brunner &Lay “Quality First” since 1882 In 2007, Brunner & Lay, Inc. celebrated…

1. R M Bhattacharjee 2. Shaft sinking Why shaft is required? Why shaft sinking so critical? What factors influence selection of shaft? What are the hazards of…

Slide 1 1 CERTIFIED PERSON STUDY GUIDE SHAFT AND SLOPE Slide 2 2 Technical Guidance 580-2200- 011 Sinking of Shafts and Slopes for Underground Mines Slide 3 3 Effective Date:…