Lesson 2/Learning Event 2
quarry blasting. By locating the plant as close to the quarry as possible, you can make the maximum use
of hauling units. This is important because the raw material from the quarry contains both product and
by-product. The material hauled from the plant to the construction site contains only product size
material. If the crusher can be located close enough to the face, dozers may be able to push blastrock
directly to the crusher loading chute. Otherwise, both loading and hauling equipment will be needed.
Bc sure not to locate the plant in the path of future excavation.
The actual plant site should be a secure area of stable ground large enough to accommodate the plant
and related equipment, stockpiles of crushed rock, and loading operations. The terrain should be
suitable in load-carrying ability to support heavy equipment with only minor earthworking
improvements and sloping to provide good natural drainage. Proper utilization of a hillside or sloping
location may permit the use of gravity as an aid in moving material from the face to the plant, from the
plant to a storage area, or from a storage area to haul units. The site should be accessible to construction
operations and, if aggregates are to be washed, to a source of water.
site, the generators should be located under shelter near, but upwind from, the plant. Power lines should
be mounted on poles high enough to clear all traffic.
Materials Handling and Storage Facilities
Layout plans should include adequate materials handling devices to expedite the flow of material
through the plant and eliminate double handling. Gravity flow through chutes will be used where
possible to eliminate the need for loading and hauling units. Multiple levels are therefore preferred.