Technical Terms and Land Use Definitions | Zoning Districts
367. Tightline sewer. A sewer trunk line designed and intended specifically to serve only a particular facility or place, and whose pipe diameter should be sized appropriately to ensure service only to that facility or place. It may occur outside the local service area for sewers, but does not amend the local service area. 368. Total phosphorus. The phosphorus concentration as determined by a state-certified analytical laboratory using EPA 365.3 or SM 4500-P-B, E or an equivalent method *Code reviser’s note: Ord. O2013-350 adds this section as SDC 21.04.040B.359.; it has been renumbered to prevent duplication and preserve alphabetization. 369. Trails. Manmade pathways designed and intended for use by pedestrians, bicyclists, equestrians, and/or recreational users. Trails may be paved or unpaved, and may be intended and constructed for transportation, recreation, and nature contact and enjoyment. Types of trails are described and defined in the park and recreation plan, trails, bikeways and paths plan, or elsewhere in the city Comprehensive Plan. 370. Transfer of development rights (TDR). The transfer of the right to develop or build from sending sites to receiving sites. 371. Transfer station. A staffed collection and transportation facility used by private individuals and route collection vehicles to deposit solid waste collected off-site into larger transfer vehicles for transport to permanent disposal sites, and may also include recycling facilities involving collection or processing for shipment. (Ord. O2003-132 § 10)
372. Transit bus base. An establishment for the storage, dispatch, repair and maintenance of coaches, light rail trains, and other vehicles of a public transit system. 373. Transitional housing facilities. Housing units within the City owned by public housing authorities, nonprofit organizations or other public interest groups that provide housing to persons on a temporary basis for a duration not to exceed 24 months in conjunction with job training, self sufficiency training, and human services counseling, the purpose of which is to help persons make the transition from homelessness to placement in permanent housing. 374. Transportation system management (TSM). Low- cost projects that can be implemented in a short time frame designed to increase the efficiency of existing transportation facilities. This also includes transit and/or ride sharing measures to decrease single occupancy vehicle trips. 375. Tree, heritage. A tree that is equal to or greater than twenty- two 22. inches DBH. 376. Tree, landmark. A tree that is equal to or greater than thirty- two 32. inches DBH. 377. Tree, significant. A tree that is in a healthy condition and is a noninvasive species, including those trees defined as a heritage tree and landmark tree, that is: a. A coniferous tree with a diameter of eight 8. inches or more DBH; or b. A deciduous tree with a diameter of twelve 12. inches or more DBH.
Effective | January 1, 2022
Title 21: Sammamish Development Code | 255
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