Ordinance 537-78 - Laserfiche WebLink

heights are influenced by a man-made or natural obstruction. In an urban area, the segment of a stream or river between two consecutive bridge crossings would typically constitute a reach. 9. Regulatory Flood is a flood which is representative of large floods known to have occurred generally in the area and reasonably characteristic of what can be expected to occur in a particular stream. The regulatory flood generally has a frequency of approximately 100 years determined from an analysis of floods on a particular stream and other streams in the same general region. 10. Regulatory Flood Protection Elevation is the elevation to which uses regulated by this chapter are required to be elevated or. f loodproof ed. 11. Shoreline Permit is a permit issued by the City of Everett for development adjacent to water bodies per R.C.W. 90.58 and Chapter 173-14 WAC. The flood plain areas are included in the jurisdiction_ of the shoreline permit. However, not all development needs a shoreline permit. See Flood Zone Permit definition. 12. Substantial Improvement means any repair, reconstruction, or improve- ment of a structure, the cost of which equals or exceeds 50 percent of the market value of the structure either: (1) before the improvement or repair is started, or (2) if the structure has been damaged and is being restored, before the damage occurred. For the purposes of this definition "substantial improvement" is considered to occur when the first alteration of any wall, ceiling, floor, or other structural part of the building commences, whether or not that alteration affects the external dimensions of the structure. -4-