'Improvement' means the development, enhancement or addition to property, by the provision of work, materials or equipment. The term includes, without limitation: 1. A building, railway, tramway, toll road, canal, water ditch, flume, aqueduct, reservoir, bridge, fence, street, sidewalk, fixtures or other structure or superstructure; 2. A mine or a shaft, tunnel, adit or other excavation, designed or used to prospect, drain or work a mine; 3. A system for irrigation, plants, sod or other landscaping; 4. The demolition or removal of existing improvements, trees or other vegetation; 5. The drilling of test holes; 6. Grading, grubbing, filling or excavating; 7. Constructing or installing sewers or other public utilities; and 8. Constructing a vault, cellar or room under sidewalks or making improvements to the sidewalks in front of or adjoining the property. (Added to NRS by 2003, 2588)
Nevada Legal Code