Technical Terms and Land Use Definitions | Zoning Districts
161. Hazardous household substance. A substance as defined in RCW 70.105.010. 162. Hazardous substance. A substance as defined in RCW 70.105.010. 163. Hazardous trees. Those trees with a structural defect, combination of defects or disease resulting in a structural defect that, under the normal range of environmental conditions at the site, will result in the loss of a major structural component of the tree in a manner that will: a. Damage a residential structure or accessory structure, place of employment or public assembly or approved parking for a residential structure or accessory structure or place of employment or public assembly;
166. High voltage electrical transmission tower. A structure that is designed and constructed primarily for the purpose of overhead support of high voltage transmission lines. For purposes of this term, “high voltage transmission lines” shall generally mean and refer to a 68 kV or greater electric transmission line. 167. Historic resource. A district, site, building, structure or object significant in national, state or local history, architecture, archaeology, and culture. 168. Hobby, toy, and game shop. An establishment engaged in the retail sale of toys, games, hobby and craft kits, including only uses located in SIC Industry Nos.:
a. 5945 – Hobby, toy and game shops; and
b. Damage an approved road or utility facility; or
b. 5999 – Autograph and philatelist supply stores, coin shops, and stamps, philatelist-retail (except mail order). 169. Home business. A business or profession which is incidental to the use of a residential dwelling unit by a resident of the dwelling unit. Home businesses do not include uses where the use of the premises as a dwelling unit is secondary to the operation of the business or profession. In no case shall the area used for a home business exceed 50 percent of the area of the residential dwelling unit. The home business use definition does not include other residential accessory uses identified in Chapter 21.05 SDC and defined in SDC 21.04.040, including but not limited to:
c. Prevent emergency access in the case of medical hardship.
164. Heavy equipment and truck repair. The repair and maintenance of self-powered, self-propelled or towed mechanical devices, equipment and vehicles used for commercial purposes, such as tandem axle trucks, graders, backhoes, tractor trailers, cranes, lifts, but excluding automobiles and pick-up trucks under 10,000 pounds, recreational vehicles, boats and their trailers. 165. Helistop. An area on a roof or on the ground used for the takeoff and landing of helicopters for the purpose of loading or unloading passengers or cargo but not including fueling service, hangers, maintenance or overhaul facilities.
a. Bed and breakfast guesthouses;
b. Senior citizen assisted housing;
Effective | January 1, 2022
Title 21: Sammamish Development Code | 233
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