Types of work performed; gravel and grading of all Yakama Nation roads, cemeteries, and tribal member driveways; snow removal of all roads, bus stops, Agency complex replacing catch basin filters and sweeping of all Yakama Nation streets and housing projects dust abatement projects installing new parking areas, replacing delineators and other Transportation projects as they arise, and this list is not all inclusive and is subject to change due to the nature and need of projects requested and/or required for completion. The difference between Heavy Equipment Operator I and II is distinguished by the requirement for a higher degree of skill, judgment, and more/longer experience in the operation of various types of heavy equipment, such as dozers of various sizes and makes, motor graders of various sizes and makes, water trucks, dump trucks, truck tractors, as compared to very limited skill, judgment, and experience of a Heavy Equipment Operator I, who operates only one or two types of Heavy Equipment.