Three parts of mine design: feasibility study, preliminary design, and construction plan.

In the feasibility study stage, first, Mine Design Institute and the client need to sign the entrustment agreement. work including: planning, investigation, data collection, planning and optimization, project evaluation, "report" writing, and exchanging views with commissioned units to form a formal report.

Design mainly involves dressing, general layout, electric power, communication, civil engineering, environmental protection, water supply and drainage, tailings, safety and fire protection, investment estimates, economic benefit. For the improvement and extension enterprises, the preliminary design will illustrate the status, characteristics, plant, main problems, utilization of main buildings and equipment.

When the working drawings completed, the designers must hand the drawings over to construction commanding officers, especially, the notes, strict regulation and important content.