Nyrstar requests proposals for different sized building structures for consideration for its pit operations to cover materials and limit dust emissions. Different types of structures (dome shelter, metal sheeting warehouse/shed, prefabricated buildings, a combination or alternative structure proposals are sought from suppliers with experience in large operational structures.
Machinery will be operating into, out of and within these structures including Komatsu HM400's and front end wheelloaders.
A high level scope is provided to ensure different solutions can be offered to Nyrstar for consideration. Different sizes should be provided as per the table and well as any other standard sizes you may have available.