Gravel/sand quarry infrastructure (gravel/sand quarry construction)

Emissions generated by the activity within the product supply chain as described in ecoinvent v3.8. This is an immobile infrastructure, representing the construction of a gravel and sand mine infrastructure. It is based on an operating plant with an yearly excavated amount of about 400,000 to 500,000 tons and its life time is assumed to be 50 years. The process includes constructed buildings and machineries for a gravel and sand mine, but it excludes land-use of the mining activities (quarrying). The cut-off classification is allocatable product. The activity type is ordinary transforming activity. The reference product amount is 1.