an accessory attached or designed to be attached to a machine
aggregates
broad category of coarse particulate material used in construction, including sand, gravel, crushed stone, slag, recycled concrete and geosynthetic aggregates
bedding
material placed under and around pipe for support and protection
cycle time
time it takes to accomplish a task such as moving bucket out of a ditch and back again
falling objects protective structure (FOPS)
heavy duty structure for protection of the machine operator from falling objects. Usually has four posts and a strong roof
locate sheet
document from utility authorities which provides the location of underground utilities such as gas, sewer and electrical
logbook
book of documented history of maintenance and inspections done on a piece of equipment
pile
small assemblage of material
proctor test
test to measure density of compacted soils
riparian zone
areas that surround water bodies in the watershed that are composed of moist to saturated soils, water-loving plant species and their associated ecosystems
roll over protective structure (ROPS)
roll bar or similar device to help protect the driver in case the machine tips over
segregation
when fine and coarse materials separate
stockpile
supply of materials such as aggregates, wood or other materials, gathered and held in reserve for use
swell factors
increase of bulk in soil or rock when it is dug or blasted
trench box
engineered steel or aluminum structures that are used to help protect workers who work inside trenches
