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Exhibit "Y" April 15, 1991 <br />• Sec. 34-146. Permitted Uses - By right. <br />The following uses shall be permitted by right in the RI -A District: <br />(1) Any use permitted by right in the R-1 Residential District, subject to the height, yard, <br />and area regulations set forth below. However, any two-family or single family attached (up to <br />two) dwelling for which a city building permit has been issued and was at least twenty percent <br />constructed on.the site prior to 1991, shall be considered <br />a conforming use. <br />(2) Two-family dwellings shall be permitted in structures which contain, as of <br />1991, at least 2,400 square feet of gross floor area as defined in the <br />Virginia State-wide Building Code, and which are located on a lot of at least 7,200 square feet, <br />subject to the following conditions: <br />(a) Separate entrances to the two units are not located on the exterior front of the <br />house; <br />(b) The structure may not be expanded or enlarged to accommodate the two <br />dwelling units; and, <br />• (c) There are at least two off-street parking spaces on the property. Any parking <br />spaces added after 1991 must be located in the rear yard of the structure. <br />(3) Accessory Apartment. Any single family detached dwelling (hereinafter "the principal <br />structure"), may contain an accessory dwelling unit (hereinafter "accessory apartment") provided <br />that it meets all of the following conditions: <br />(a) The principal structure contains, as of 1991, <br />at least 2,000 square feet of gross floor area as defined in the Virginia Statewide Building Code, <br />and is located on a lot of at least 6,000 square feet; <br />(b) A separate entrance to the accessory apartment is not located on the exterior <br />front of the house; <br />(c) The accessory apartment is contained within the principal structure and the <br />exterior walls of said principal structure may not be expanded or enlarged to accommodate the <br />accessory unit; <br />(d) The total floor area of the accessory apartment does not exceed 400 square <br />feet, and the area occupied for sleeping purposes within the apartment is less than 150 square <br />feet; and, <br />. (e) There are at least two off-street parking spaces on the property. Any parking <br />spaces added after 1991 must be located in the rear yard of the principal <br />structure. <br />(f) One of the two dwelling units must be owner occupied. <br />