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Mine drainage design
The mine is a medium sized operation producing 1.5 mtpa of coper ore at 3% Cu. The mine was originally designed using a bench height of 15m. Footwall benches were 15 m wide to give a slope angle of 45°, but on the hanging wall side alternate benches are only 10m wide to produce an angle of about 50°.
Design a drainage and pumping system to deal with the mine water for the next 10-15 years based on the data in the following sections. As the mine grade is low and power costs are high every effort should be made to minimise the operating costs of the pumping system. Describe your proposed drainage and pumping system with the aid of diagrams where required and explain the general philosophy behind the system. Detail and assumptions made and make comments and conclusions as required.
Attachment:- Mine drainage design.rar
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This assignment is consisting of question from subject of hydraulics,pipeline and pumping system design.in this assignment we are asked to design pumping and pipeline system for mine of given nature steps of alternate 15m and 10 m width bench with height of 15 m and for that solution starts with estimating water inflows from all sources.for that we have to follow MSHA guidelines for stormwater,that we did in solution.after that as per API standard we set fluid velocity and from nature of fluid flow we set piping material as HDPE and set all of its specifications of pipelines by ISO standard.
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