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Daycare: see Childcare.

Daycare, adult: a facility licensed by the State for the daytime care of adults, with no overnight care.

Dedication: conveyance of land to a public agency for general public purposes.

Degraded wetland buffer: a buffer area which cannot fully protect its adjacent wetland due to one or more of the following existing conditions:

1. Lack of vegetative cover or presence of bare soils (resulting from disturbance, fill, debris, or trash);

2. Significant cover (over 50 percent) in vegetation that does not contribute to the functionality of the wetland buffer;

3. Significant cover (over 50 percent) in invasive species or noxious weeds;

4. Presence of existing nonconforming structures or improvements.

Density: the number of dwelling units on one acre of land.

Department: the City of Snohomish Department of Planning and Development Services.

Destination resort: an establishment for resource-based recreation which is intended to utilize outdoor recreational opportunities and which includes related services, such as food, overnight lodging, equipment rentals, entertainment, and other conveniences for guests of the resort.

Detached: physically separated and not sharing a wall or other building element; unconnected.

Detached dwelling: a residential structure not attached to another structure containing no more than one dwelling unit, located on a single lot with at least one other detached dwelling.

Detached dwelling development: two or more detached dwelling units constructed upon a single lot.

Detention: the temporary storage of stormwater runoff to control peak discharge rates and allow settling of stormwater sediment.

Detention facility: a drainage facility, such as a pond or tank, that temporarily stores stormwater runoff and releases it at a slower rate than it is collected by the drainage facility. The facility includes the flow control structure, the inlet and outlet pipes, and all maintenance access points.

Developer: the person who controls property for which development has been proposed, or the person applying for or receiving a permit or approval for a development.

Development: the construction or exterior alteration of structures; grading, dredging, drilling, or dumping; filling; removal of sand, gravel, or minerals; bulkheading; driving of pilings; or any project of a temporary or permanent nature which modifies structures, land, wetlands, or shorelines.

Development, floodplain: any manmade change to improved or unimproved real estate, including but not limited to buildings or other structures, mining, dredging, filling, grading, paving, excavation or drilling operations or storage of equipment or materials located within the area of special flood hazard. Refer to Chapter 14.270 SMC.

Development right: one of a series of rights inherent in fee simple ownership of land. It represents the potential for the improvement of a parcel of property, as measured in the number of potential residential dwellings or square footage of commercial use allowed by the property’s land use designation and site attributes.

Direct traffic impact: any new vehicular trip added by new development to the City street system.

Directional sign: a sign designed to guide or direct pedestrian or vehicular traffic to an area, place, or convenience and may include incidental graphics such as trade names and trademarks.

Director: see Planning Director.

Distributed antenna system (DAS): a network consisting of transceiver equipment at a central hub site to support multiple antenna locations throughout the designed coverage area.

Diversity, habitat: variety or complexity of vegetation as indicated by stratification of plant communities, variety of plant species, and spacing of vegetation.

Dock: an anchored platform structure in or floating upon water to facilitate access to water or watercraft. Docks may provide moorage for watercraft, and may include ancillary features such as pilings, anchors, gangways, floats, and fingers.

Downstream analysis: an analysis of potential drainage impacts and drainage facilities downstream of the subject property and/or development activity.

Dredging: the removal, displacement, and/or disposal of unconsolidated earth material such as sand, silt, gravel, or other submerged materials, from the bottom of water bodies, ditches, or wetlands; maintenance dredging and/or support activities are included in this definition.

Driveway: a private travel lane for the passage of vehicles, which provides access from a public or private road to an individual development or dwelling.

Drug store: an establishment engaged in the retail sale of prescription drugs, nonprescription medicines, cosmetics, and related supplies.

Duplex: a residential structure containing two attached dwelling units that have a common wall. The term does not include a mobile home or a home with an accessory dwelling unit.

Dwelling unit: a space with internal accessibility to all portions of the space that provides complete, independent living facilities for one or more persons and that includes permanent provisions for living, sleeping, eating, cooking and sanitation. (Ord. 2401, 2020; Ord. 2444, 2022)