Zoning Districts | Technical Terms and Land Use Definitions
356. Structure. Anything permanently constructed in or on the ground, or over the water, excluding fences six feet or less in height, uncovered decks less than 18 inches above grade, uncovered paved areas, and structural or nonstructural fill. 357. Student factor. The number derived by a school district to describe how many students of each grade span are expected to be generated by a dwelling unit. Student factors shall be based on district records of average actual student generated rates for new developments constructed over a period of not more than five years prior to the date of the fee calculation; if such information is not available in the district, data from adjacent districts, districts with similar demographics, or countywide averages must be used. Student factors must be separately determined for single- family and multifamily dwelling units, and for grade spans. 358. Submerged land. Any land at or below the ordinary high water mark. 359. Substantial improvement. Any maintenance, repair, structural modification, addition, or other improvement of a structure, the cost of which equals or exceeds 50 percent of the market value of the structure either before the maintenance, repair, modification or addition is started or before the damage occurred, if the structure has been damaged and is being restored. 360. TDR certificate. A form of currency that represents development rights available for sale and use. 361. TDR certificate of intent. A document issued to a landowner upon approval of a TDR sending site application. The letter contains a determination of the number of
development rights calculated for the sending site and an agreement by the City to issue a corresponding number of TDR certificates in exchange for a conservation easement. The sending site owner may use the TDR certificate letter of intent to market development rights to potential purchasers, but the letter of intent document has no value itself and cannot be transferred or used to obtain increased development rights within receiving areas. 362. TDR program. A market-based program that permanently conserves lands with important public benefits by establishing a means to transfer development rights from eligible sending sites to eligible receiving sites through a voluntary process that fairly compensates landowners while providing a public benefit for communities. 363. TDR sending site application. An application that a sending site landowner must file in order to be eligible for consideration for designation as a TDR sending site. 364. Temporary use permit. A permit to allow a use of limited duration and/or frequency, or to allow multiple related events over a specified period. 365. Theater. An establishment primarily engaged in the indoor exhibition of motion pictures or of live theatrical presentations. 366. Theatrical production services. An establishment engaged in uses located in SIC Industry No. 792, Theatrical producers (except motion picture), bands, orchestras, and entertainers, except establishments primarily engaged in providing live theatrical presentations, such as road companies and summer theaters.
254 | Title 21: Sammamish Development Code
Effective | January 1, 2022
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