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Sec. 10. Institutional-office (IO). Statement of purpose. The purpose of the institutional-office district is to provide areas within the city for the location of major community facilities including hospitals, schools, colleges and similar institutions. The standards of the district are designed to provide these institutions with flexibility within their property limits but to establish safeguards to protect adjoining residential areas from undesirable impacts associated with these uses. Applicability. The standards of the institutional-office district shall apply to all land shown on the "Official Zoning Map of the City of Lewiston" as being located within an institutional-office district. Permitted uses. In an institutional-office district, any new building or structure which is constructed, any existing building or structure or part thereof which is used, altered or enlarged and any parcel of land, whether in whole or in part, may be used for one or more of the following: One individual single-family detached dwelling on an existing lot of record as of the date of adoption of this Code; Multifamily dwellings in accordance with the standards of article XIII; Hotels, motels and inns with less than 25 rooms; Single-family attached dwelling in accordance with the standards of article XIII; Restaurant in conjunction with another permitted use; Professional offices; Office buildings and business offices; Tradesman's offices; Academic institutions, including buildings or structures for classroom, administrative, laboratory, art, theater, dining, service, library, bookstore and student recreational uses, and athletic or recreation buildings, structures, fields, or facilities together with buildings accessory to the foregoing permitted principal buildings or structures; (10) Hospitals, including institutions for the handicapped; (11) Religious facilities including churches, synagogues, and other houses of worship, rectories and parsonages and church-affiliated community purpose facilities; (12) Nursing and convalescent homes; (13) Day care centers; (14) Museums, libraries and nonprofit art galleries and theaters; (15) Public community meeting and civic function buildings including auditoriums; (16) Dormitories which are situated greater than 125 feet from all district boundaries; (17) Group care facilities; ---PAGE BREAK--- (18) Personal services; (19) Research, experimental or testing laboratories related to a permitted use; (20) Veterinary facilities; (21) Mortuary or funeral parlor; (22) Private or commercial schools including business colleges; (23) Home occupations; (24) Accessory buildings and uses; (25) Forest management and timber harvesting activities in accordance with the standards of article XII; (26) Family day care homes; (27) Small day care facilities. Conditional uses. In an institutional-office district, any new building or structure which is constructed, any existing building or structure or part thereof which is used, altered or enlarged and any parcel of land, whether in whole or in part, may be used for one or more of the following uses only after the issuance of a conditional use permit in accordance with article X of this Code: Clubhouses for qualified charitable, but not merely nonprofit, corporations, provided that the primary use of the premises is not for the conduct of profit-making ventures; Fraternal and social clubrooms and facilities for organizations which are not qualified charitable corporations, but which are directly affiliated with a use permitted under subsection provided that the primary use of the premises is not for the conduct of profit-making ventures; Housing facilities on the premises of institutions permitted under subsection for staff members of such institutions; Service buildings or structures ancillary to and affiliated with permitted institutional uses including, but not limited to, pharmacies and medical supply outlets; Dormitories which are located 125 feet or less from any district boundary; Reservoirs, pumping stations, standpipes or other water supply uses involving facilities located on or above the ground surface; Transformer stations, high voltage power transmission lines, substations, telephone exchanges, microwave towers or other public utility or communications use; Commercial parking facilities; Municipal buildings and facilities. Space and bulk standards. ---PAGE BREAK--- TABLE INSET: ! " " ! # ! " $ ! % & ' ( Additional standards. Any required side or rear yard area for uses other than residential located within 50 feet of a lot containing a dwelling or a residential zoning district shall be maintained as a buffer area meeting the standards of article XIII. For the purpose of determining compliance with front, rear and side setback and yard requirements, an enclosed walkway connecting structures on abutting lots in the institutional-office (IO), whether it be underground, elevated or at grade, shall not be considered a structure but shall be considered a walkway. Similarly, awnings and canopies installed on lots in the institutional-office (IO) district that provide shelter from the elements, whether made of permanent or nonpermanent material shall not be considered as structures and may extend into the front, side, and rear yard areas to the extent necessary to provide adequate shelter from the elements as long as the installation will not result in undue impact on adjacent properties, due to the placement of the awnings or canopies, location of service, parking or storage areas, or blocking of solar access, and shall in no way interfere with utilities or with the convenient and safe use of the sidewalk and street right-of-way by all pedestrians and vehicles, but in no case may the canopy be closer than two feet from the property line. The enclosed walkways, awnings and canopies shall be safely made, fixed, supported and maintained and shall comply with NFPA and BOCA requirements for such structures. Modifications (ie. relaxation of standards) of setbacks, yards, maximum lot ---PAGE BREAK--- coverage ratios, maximum impervious surface ratios, minimum open space ratios, and maximum building height as contained in subsection may be granted by the board of appeals, planning board, staff review committee and the code enforcement official pursuant to articles V, VII, VIII, IX, and XIII of this Code. (Ord. No. 89-3, 4-7-89; Ord. No. 90-3, 5-17-90; Ord. No. 92-11, 6-4-92; Ord. No. 92-18, 9-10-92; Ord. No. 92-27, 11-19-92; Ord. No. 93-8, 6-17-93; Ord. No. 95-6, 6-1-95; Ord. No. 97-2, 4-17-97; Ord. No. 97-7, 9-11-97; Ord. No. 98-6, 7-2-98; Ord. No. 00-19, 10-5-00; Ord. No. 00-27, 1-11-01; Ord. No. 05-07, 3-17-05) Editor's note: See editor's note at article XI.