1. Draw an organizational chart for statutory supervision and maintenance in a highly mechanized mine working in 3 shifts and producing 5 MT of limestone per year. Justify the appointment of mines foreman and mate in such mines.
2. (a) Put up an application to the competent authority seeking permission to extend the open cast working within 15m of a river.
(b) What are the apprehended dangers and how to overcome them?
3.(a) Enumerate safety features provided on an 85T dumpers.
(b) Draw a preventive maintenance scheme for a hydraulic shovel.
4.(a) Define the following-
(I) serious injury (II) reportable injury (III) Minor injury (IV) Severity index
(b) Analyze the various causes of accidents in a marble mine having base hold area of 100 hectares.
5. A fire has broken out in a ore handling plant. How would you investigate the causes of fire? Draw up an emergency plan to deal with such situation.
6. Write short note on the following-
2. first aid station
3. standard of shelters
7.(a) What are the provisions regarding height and width of benches in an open cast mine?
(b) Management of an open cast marble mine proposes to keep height of bench equal to 25m, comment.