17 DEVELOPMENT STANDARDS – WATERFRONT
1. Maximum length inclusive of ells, floats, fingers, etc. | 65 feet for single-family homes. 75 feet for multifamily or joint use dock structures for developments with 3 or more units. The dimension perpendicular to the shore shall not measure more than 65 feet in length for any proposed dock. |
2. Maximum width | 6 feet for the first 30 feet from the shoreline (measured from mean low water). 8 feet beyond the first 30 feet. |
3. Decking for piers, dock walkways, platform lifts, ells and fingers | A dock or float 6 feet wide or narrower must have at least 30 percent of the deck surface covered in functional grating. A dock or float wider than 6 feet (up to 8 feet wide) must have at least 50 percent of the deck surface covered in functional grating. Additional requirements, including those for piers, are found in WAC 220-660-140. |
4. Pilings | Pilings shall not be treated with pentachlorophenol, creosote, chromated copper arsenate (CCA) or comparably toxic compounds. |
Steel pilings used to construct residential docks shall not exceed 6 inches in diameter unless otherwise permitted by the Department of Fish and Wildlife in writing and/or via an approved hydraulic permit application (HPA). |
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