P&Q Staff

Definitions.

A general description of the crushed-stone, and sand-and-gravel industries.

An overview of U.S. geological conditions.

Major considerations prior to designing a new aggregate plant.

Plant-engineering, permits, material flow.

Electronic infrastructure, cone-crusher automation.

Hole diameter, fragmentation, drilling methods, types of drills.

Types of explosives, fragmentation, initiation systems, detonators, blast design.

Types of loaders and excavators, equipment matching, buckets, maintenance, safety.

Types of haul trucks, equipment matching, driver education, community relations.