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608 (3) be placed a minimum of 10 feet from the ordinary high water level. <br />609 5. Decks and patios in setback areas. Decks and at -grade patios may encroach into the required setbacks <br />610 from the ordinary high water level and blufflines without a variance, when consistent with Sections 117- <br />611 148(i) (Vegetation management) and 117-148(j) (Land alteration standards and stormwater <br />612 management), provided that: <br />613 a. The encroachment of the deck or patio into the required setback area does not exceed 15 <br />614 percent of the required structure setback; <br />615 b. the area of the deck or patio that extends into the required setback area occupies no more than <br />616 <br />617 <br />618 <br />619 <br />620 <br />621 <br />622 <br />623 <br />624 <br />625 <br />626 <br />627 <br />628 <br />629 <br />630 <br />631 <br />632 <br />633 <br />634 <br />635 <br />636 <br />25 percent of the total area between the required setback and the 15 percent using the formula: <br />[required setback depth (feet) x 0.15 x lot width (feet) = maximum total area] <br />c. The deck or patio does not extend into the bluff impact zone. See Figure 7. <br />Figure 7. Deck and Patio Encroachment <br />Encroachment <br />Zone (X • 0.15) <br />Deck and Patio Encroachment <br />Maximum deck/patio area in <br />encroachment zone, <br />CX-0.15)xYx0.25 <br />River <br />Required <br />structure <br />I\ setback (X) <br />in feet <br />6. Off -premise and directional signs. <br />a. Off -premise advertising signs must: <br />(1) Meet required structure placement and height standards in Section 117-148(f) (Structure <br />height and placement and lot size). <br />(2) Not be readily visible <br />b. Directional signs for patrons arriving at a business by watercraft must comply with the following <br />standards: <br />(1) They must be consistent with <br />(2) Only convey the location and name of the establishment and the general types of goods and <br />services available, if located in a shore impact zone. <br />(3) Be no greater than ten feet in height and 32 square feet in surface area; and <br />(4) If illuminated, the lighting must be shielded to prevent illumination out across the river or to <br />the sky. <br />7. Fences. Fences between principal structures and the river are allowed provided that fences are: <br />a. Not higher than six feet. <br />18 <br />