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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 25 percent of the total area between the required setback and the 15 percent using the formula: <br /> 617 [required setback depth(feet)x 0.15 x lot width (feet)=maximum total area] <br /> 618 c. The deck or patio does not extend into the bluff impact zone.See Figure 7. <br /> 619 <br /> 620 Figure 7. Deck and Patio Encroachment <br /> Deck and Patio Encroachment <br /> Lot width(Y)in feet—w <br /> Encroachment — , <br /> Zone(X•0.15) ..... - `- .z .. \ Required <br /> structure <br /> Maximum deck/patio area in setback(X) <br /> encroachment zone= ` in feet <br /> (X.0.15)xYx0.25 <br /> 1— <br /> River <br /> 621 <br /> 622 6. Off-premise and directional signs. <br /> 623 a. Off-premise advertising signs must: <br /> 624 (1) Meet required structure placement and height standards in Section 117-148(f)(Structure <br /> 625 height and placement and lot size). <br /> 626 (2) Not be readily visible <br /> 627 b. Directional signs for patrons arriving at a business by watercraft must comply with the following <br /> 628 standards: <br /> • <br /> 629 (1) They must be consistent with Minnesota Statutes,section 86B.115. <br /> 630 (2) Only convey the location and name of the establishment and the general types of goods and <br /> 631 services available,if located in a shore impact zone. <br /> 632 (3) Be no greater than ten feet in height and 32 square feet in surface area;and <br /> 633 (4) If illuminated,the lighting must be shielded to prevent illumination out across the river or to <br /> 634 the sky. <br /> 635 7. Fences. Fences between principal structures and the river are allowed provided that fences are: <br /> 636 a. Not higher than six feet. <br /> 18 <br />