Day Care Center. An agency which regularly provides temporary care for a group of children between the ages of six weeks to 12 years for periods less than 24 hours in a residence or structure other than the parent’s home on a regular recurring basis for pay or other valuable consideration, including but not limited to, the furnishing of shelter, sustenance, supervision, education and other supportive services. The term is not intended to include babysitting services of a casual, nonrecurring nature.

Day Care, Family. See Family Day Care Provider.

Decibel or dBA. See RMC Chapter 6.36, Noise Standards.

Dedication. The deliberate appropriation of land by an owner for any general and public uses, reserving to himself no other rights than such as are compatible with the full exercise and enjoyment of the public uses to which the property has been devoted.

Deed of Transfer of Development Rights. A document that conveys ownership of development rights that were originally attached to property covered by a TDR easement.

Deleterious Substances. Include, but are not limited to, chemical and microbial substances that are not classified as hazardous materials, as defined under RZC 21.78.080, whether the substances are in usable or waste condition, that have the potential to pose a significant groundwater hazard, or for which monitoring requirements or treatment-based standards are enforced under WAC Chapter 246-290.

Demand Management Strategies. See Transportation Demand Management.

Demolish. To remove more than 50 percent of the exterior walls of an existing building or structure, as measured by the linear length of the walls. Windows, doors, and/or deteriorated wall sections are all considered part of a wall.

Detached Dwelling Units. Single-family residential structures that do not share any common or party walls.

Developer. See Fee Payer.

Development Application. A written request completed by a developer, seeking City approval for a development.

Development Approval. Any authorization issued by the City of Redmond which approves a development.

Development Rights. 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 measured in residential dwelling units or square footage of commercial, light industrial, or office space based on the zoning classification of the parcel.

Diameter at Breast Height. The diameter of any tree trunk, measured at four and one-half feet above average grade. For species of trees whose normal growth habit is characterized by multiple stems (e.g., hazelnut, vine maple), diameter shall mean the average diameter of all stems of the tree, measured at a point six inches from the point where the stems digress from the main trunk. In no case shall a branch more than six inches above average grade be considered a stem. (SMP)

Directional Sign. A permanent sign not exceeding six square feet in area, without commercial message, that guides the public to a specific place, such as an entrance, exit, parking, or service area, or a particular aspect of a business or establishment, such as a cocktail entrance.

Directory Sign. A sign that lists the tenants of a multiple tenant building or center.

Disturbed Soils. Soils located on a portion of a property, properties, or right-of-way that are subject to land-disturbing activities, new impervious surfaces, or replaced impervious surfaces.

Dock. A structure that floats on the surface of the water, without piling supports, but which is attached to land. Typically used for boat moorage, swimming, public access, and other activities that require access to deep water. (SMP). This term also applies Citywide.

Double-Faced Sign. A sign constructed to display its message on the outer surfaces of two identical and opposite parallel planes.

Drainage Facilities. See Stormwater Facilities.

Dredging. The removal of earth, sand and/or gravel from the bottom of a stream, river, lake, or other water body for the purposes of deepening or constructing a navigational channel or marina, increasing or maintaining flood conveyance capacity of a channel, installing submarine pipelines, or similar purposes, or to obtain the use of the bottom materials for landfill. (SMP)

Drip Line. An area encircling the base of a tree, the minimum extent of which is delineated by a vertical line extending from the outer limit of a tree’s branch tips down to the ground.

Drive-Up Stand. A temporary or semipermanent structure operating on private property for the purpose of vending food, drink, or retail goods, generally no larger than six feet wide by 10 feet long which allows the customer to remain in his or her vehicle while making a purchase.

Drought-Tolerant Vegetation. Vegetation that can thrive with minimal or no supplemental watering after a period of plant establishment that typically lasts two or three years.

Dry Cleaning Establishment. Any facility that uses a transfer machine, dry-to-dry vented unit, or dry-to-dry closed loop unit with chlorinated solvents to clean clothing or other materials.

Durable Consumer Goods Sales, Rental, and Service. The retail sale, rental, or lease of durable consumer goods, or in the retail sale, rental, or lease of such goods in combination with repair and maintenance services and the sale of replacement parts and accessories. This definition includes apparel, appliances, home furnishings, paint, hardware, toiletries, jewelry, sporting goods, books, magazines, music, videos, computer hardware and software, toys, and similar items.