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(3) The grade of the slope from the toe of the bluff to a point 25 feet or more above the ordinary high-
<br /> water level averages 30 percent or greater;and
<br /> (4) The slope must drain toward the water body.
<br /> Bluff impact zone means a bluff and land located within 20 feet from t e top of a bluff.
<br /> Bluff, toe of the, means the lower point of the lowest 50-foot segment ith an average slope exceeding 18
<br /> percent. If the lowest such point is lakeward of the OHWL,the OHWL will be refined as the toe.
<br /> Bluff, top of the, means that point on the cross section of a bluff below which the slope becomes more than
<br /> 18 percent and above which the average slope for a distance of 50 feet or mere is 18 percent or less.
<br /> Commercial use means the principal use of the land and/or buildings fir the sale, lease, rental or trade of
<br /> products,goods and services.
<br /> Deck means a horizontal, unenclosed platform with or without attache. railings,seats,trellises or other
<br /> features,attached or functionally related to a principal use or site.
<br /> Duplex, triplex and quad mean a dwelling structure on a single lot, havi g two,three and four units,
<br /> respectively, being attached by common walls and each unit equipped with s-parate sleeping, cooking,eating,
<br /> living and sanitation facilities.
<br /> Dwelling site means a designated location where a dwelling unit is inte ded to be constructed.
<br /> Dwelling site, transient, means a designated location for temporary or ransient residential use by one or
<br /> more persons using temporary or movable shelter, including camping and re reational vehicle sites.
<br /> Dwelling unit means a building or a portion of a building designed or in ended to be occupied exclusively for
<br /> residential purposes, including provisions for sleeping, eating,cooking and sanitation for not more than one family,
<br /> but not including rooms in motels, hotels, nursing homes, boardinghouses, n.r trailers,tents, cabins, recreational
<br /> vehicles, nor lodging rooms.
<br /> Extractive use means the use of land for surface or subsurface removal of sand,gravel, rock, industrial
<br /> minerals,other nonmetallic minerals, and peat not regulated under Minn.St:ts. §§93.44 through 93.51.
<br /> Forest land conversion means the clear cutting of forested lands to pre mare for a new land use other than
<br /> reestablishment of a subsequent forest stand.
<br /> Industrial use means the use of land or buildings for the production, m.nufacture,warehousing,storage or
<br /> transfer of goods, products, commodities or other wholesale items.
<br /> Intensive vegetation clearing means the complete removal of trees or shrubs in a contiguous patch,strip,
<br /> row or block.
<br /> Ordinary high-water level(OHWL)means the boundary of public water. and wetlands, and shall be an
<br /> elevation delineating the highest water level which has been maintained for ,: sufficient period of time to leave
<br /> evidence upon the landscape,commonly that point where the natural veget.tion changes from predominantly
<br /> aquatic to predominantly terrestrial. For watercourses,the ordinary high-wa ier level is the elevation of the top of
<br /> the bank of the channel. For reservoirs and flowages,the ordinary high-wate level is the operating elevation of
<br /> the normal summer pool.The designated OHWL has been determined by th- state department of natural
<br /> resources for certain water bodies as shown in section 6.12.5970.
<br /> Planned unit development(PUD)means a type of development characterized by a unified site design for a number
<br /> of residential dwelling units or nonresidential sites on a parcel,whether for s:le, rent or lease, often involving
<br /> clustering of units or sites to provide areas of common open space or a mixt re of structure types and land uses.
<br /> Two types of PUD are provided for in this chapter:
<br /> (1) Planned residential development(PRD), in which the nature of allowed uses is nontransient residential,
<br /> including attached and detached single-family or multiple-family swellings,subject to the limitations
<br /> provided for in each zoning district.
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