§ 159.058 O-1 OFFICE DISTRICT.
   (A)   Permitted uses. No building or land shall be used and no building shall be erected, structurally altered, or enlarged unless otherwise provided in this chapter, except for the following uses:
      (1)   Offices, business and professional, as follows:
      Accountant office.
      Advertising agency.
      Business college or business school operated as a business enterprise.
      Employment service.
      Engineering, architectural office.
      Insurance agency.
      Law office.
      Loan office.
      Newspaper office, magazine office, or agency.
      Office for executive or administrative purposes.
      Professional office.
      Photographer.
      Other similar office or service establishments not specifically mentioned above as identified by the village.
      (2)   Offices, educational, as follows:
      Business college or business school.
      Music conservatory or music instruction.
      Personnel training center.
      Technical college or technical school.
      Other similar uses not specifically mentioned above as identified by the village.
      (3)   Offices, financial, as follows:
      Banks.
      Financial institution or office.
      Investment brokers or offices.
      Lending institutions.
      Loan office.
      Real estate offices.
      Other similar uses not specifically mentioned above as identified by the village.
      (4)   Office, health, as follows:
      Hospital or sanitarium.
      Laboratories, medical, dental, research, experimental, and testing, provided there is no danger from fire or explosion, nor of offensive noise, smoke, dust, odors, heat, glare, vibration, or other objectionable conditions beyond the confines of the premises upon which the use is located.
      Medical and dental clinics.
      Medical laboratory.
      Orthopedic, medical and surgical.
      Physical, culture, and health services, gymnasiums, swimming pools.
      Reducing salons masseurs.
      Undertaking establishments and funeral parlors.
      Other similar uses not specifically mentioned above as identified by the village.
      (5)   Office, miscellaneous, as follows:
      Clubs and lodges (nonprofit), fraternal or religious institutions.
      Private club or lodge.
      Scientific or research laboratory.
      Signs as classified and regulated by Chapter 155.
      Utility company office.
      Other similar uses not specifically mentioned above as identified by the village.
      (6)   Residential uses above first floor.
   (B)   Special uses. In the O-1 District, the following uses may be allowed as special uses, if the site locations and proposed development plans are first approved as provided in §§ 159.105 through 159.109.
      (1)   Planned developments in accordance with § 159.109.
      (2)   Special uses in accordance with §§ 159.105 through 159.109.
      (3)   Unique residential structures: Notwithstanding any requirement of the village codes to the contrary, any residential structure which was originally designed, constructed, and occupied as a single-family residence and which is located within the village O-1 Office District may be used or connected to a use as itemized below as a special use within the O-1 Office District in accordance with this subchapter and §§ 159.085 through 159.093 provided:
         (a)   Use limitation: The only special uses within the unique residential structure are as follows:
      Accounting office.
      Financial advisor.
      Insurance agency.
      Law office.
      Professional office (excluding medical, dental, and similar medical related uses).
         (b)   Location: The unique residential structure shall be adjacent to a major arterial street as defined by the village's Official Plan.
         (c)   Remodeling: Such structure shall be remodeled substantially in accordance with its original exterior architectural style and materials.
         (d)   Fire rating. A fire rating of one hour shall be provided in such structure and the following additional conditions shall be met:
            1.   Satisfy the fire rating requirements for commercial buildings in accordance with the BOCA Code currently used by the village; and
            2.   Any attic space or third floor space shall be improved and used for storage only.
         (e)   Emergency exits. Each floor shall have a separate emergency exit with doors openings to the exterior.
         (f)   Dwelling units. No dwelling units shall be maintained on the premises.
         (g)   Lot area. The lot area which exists for the parcel shall not be reduced in area nor shall additional land area be required for this special use.
         (h)   Yards. All existing yards shall be maintained for the primary structure.
         (i)   Parking. Off-street parking shall be provided in accordance with §§ 159.135 through 159.147.
   (C)   Additional uses. Accessory uses, parking, signs, and temporary uses shall be permitted in accordance with provisions of this chapter where applicable.
   (D)    Automobile parking and loading facilities. Automobile parking and loading facilities shall be provided as required or permitted in §§ 159.135 through 159.147.
   (E)   Lot area. Any principal use, together with all accessory uses shall be located on a lot having a minimum area of 10,000 square feet exclusive of special uses.
   (F)   Floor area ratio. The combined floor area ratio for any principal building, together with all accessory buildings, shall not exceed 1.0 on any lot.
   (G)   Maximum lot coverage. The total ground area occupied by any principal building, together with all accessory buildings, shall not exceed 50% of the total area of the lot.
   (H)   Lot width. Each lot shall have a width at the building setback line of not less than 70 feet.
   (I)   Front yard. Each lot upon which a building is constructed shall have a front yard not less than 25 feet. Where a O-1 District adjoins a major or minor arterial street the front yard shall not be less than 50 feet.
   (J)   Side yards. Each lot shall have a side yard along each side lot line, or not less than 10% of lot width.
   (K)   Transitional yards. Where a O-1 District adjoins a residential district, transitional yards shall be provided in accordance with the following regulations:
      (1)   In a O-1 District where a side lot line coincides with a side or rear lot line of property in an adjacent residential district, a yard shall be provided along such side lot line. Such yard shall be equal in dimension to the minimum side yard which would be required under this chapter for a residential use on the adjacent property in the residential district, or equal to the side requirement of the O-1 District, whichever is less.
      (2)   In a O-1 District where a rear lot line coincides with a side or rear lot line of property in an adjacent residential district, a yard shall be provided along such rear lot line. Such yard shall be 20 feet in depth, and no storage of materials or equipment or the parking of automobiles shall take place within the 20 feet closest to any residential lot or lots. When such yard is paved the area shall be effectively screened by a wall, a solid fence, or a densely planted compact hedge. Such wall, fence, or hedge shall be at least five feet, but not more than eight feet in height and shall be maintained in good condition.
      (3)   Transitional yards shall be unobstructed from lowest level to sky except as allowed in §§ 159.003 through 159.012.
   (L)   Rear yard. In the O-1 Districts a rear yard shall be provided for residential uses located above the first floor, such yard to be not less than 30 feet in depth.
   (M)   Height regulations. No building shall exceed three stories or 35 feet in height, except as otherwise provided in §§ 159.003 through 159.012.
(Ord. 77-03, passed 1-19-77; Am. Ord. 86-03, passed 4-23-86) Penalty, see § 159.999