WAC 296-127-01346   Landscape construction.  For the purposes of the Washington state public works law, chapter 39.12 RCW, landscape construction involves the beautification of a plot of land by changing its natural features through the addition or modification of lawns, trees, bushes, etc.

     (1) Landscape construction includes:

     • Constructing or maintaining lawns, yards, gardens or other landscaped surfaces.

     • Mixing and spreading mulches, ground covers, soil amendments, decorative bark or decorative rock.

     • Seeding, sodding or hydroseeding.

     • Applying chemicals or fertilizers.

     • Planting trees, shrubs or plants.

     • Installing, servicing or repairing above ground lawn or landscape sprinkler systems.

     • Installing, servicing or repairing underground lawn or landscape sprinkler systems to a maximum depth of three feet below finish grade.

     • Assembling or placing premanufactured trellis work, play equipment, benches or picnic tables.

     • Constructing rock walls to a maximum height of four feet.

     • Land clearing.

     • Spreading top soil to a maximum depth of six inches below finish grade.

     • Trenching to a maximum depth of three feet below finish grade.

     • Installing french drains or other subsurface water collection systems to a maximum depth of three feet below finish grade.

     • Hauling top soil, plants or other landscaping materials in trucks with only one rear axle.

     (2) Landscape construction does not include:

     • Any activity or task (including those mentioned above) when performed preparatory to any nonlandscaping construction work.

     • Constructing roads, footpaths, trails or rock walls more than four feet high.

     • Custom fabrication of trellis work, play equipment, benches or picnic tables.

     • Constructing restrooms, shelters or similar structures.

     • Installing sewer systems, storm sewer systems, catch basins, vaults or drainage systems for impervious surfaces (such as parking lots).

     • Installing drainage systems or underground sprinkler systems more than three feet below final grade.

     • Land clearing, dozing, grading, excavating or hauling except as permitted above.

     • Tree falling or bucking.

     • Subgrade preparation.

     • The use of power equipment with more than ninety horsepower.

     • The use of trucks with more than one rear axle except hydroseeders.

     • Demolition of structures.

     • Asphalt or concrete work except incidental anchorage for play equipment, benches or picnic tables.

     • Welding.

     • Installing agricultural irrigation systems.

     • Encapsulation of landfills.



[Statutory Authority: Chapter 39.12 RCW, RCW 43.22.270 and 43.22.051. 00-15-077, § 296-127-01346, filed 7/19/00, effective 7/19/00.]