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HomeMy WebLinkAbout~Master - Revising Zoning Regulations �`a s 036 tvo NTY, # 01. 10i INST ----w- tNs°Eo°� AEG�3 FEE 3 � pG� 3119a �jp►M �EF1,�e�0tau y ORDINANCE NO. 2861 6y AN ORDINANCE TO AMEND THE MUNICIPAL CODE OF THE CITY OF AMES, IOWA, FOR THE PURPOSE OF REVISING THE ZONING REGULATIONS PERTAINING TO ZONING DISTRICTS, BY REPEALING SECTIONS AND SUBSECTIONS 29. 11(2)(a) through (c) , 29. 11(3)(b) and (c), 29. 12(1), 29. 14(1), 29. 15(1), 29. 16(1), 29. 17(1), 29. 18(1), 29.19, 29.22(1), 29.23, 29.24(1)(b), 29.24(3)(b), 29.25(3)(a), 29.29, 29.30, 29.39, 29.40, 29.47(5)(b), 29.49(11), 29.2(11), AND 29.48, AND ENACTING NEW SECTIONS AND SUBSECTIONS 29.2(43), 29. 11(2)(a) through (e), 29. 11(3)(b), 29. 11(4), 29. 12(1), 29. 14(1), 29. 15(1), 29. 16(1), 29.17(1), 29. 18(1), 29. 19, 29.22(1), 29.22(4), 29.23, 29.24(1)(b), 29.24(3)(b), 29.25(3)(a) and (c), 29.29, 29.30, 29.40, 29.47(5)(b), 29.49(11), 29.2(11), and 29.48; ADDING NEW SECTIONS 29.77. 29.78 and 29.79; REPEALING ALL ORDINANCES OR PARTS OF ORDINANCES IN CONFLICT THEREWITH; AND ESTABLISHING AN EFFECTIVE DATE BE IT ORDAINED by the City Council of the City of Ames, Iowa: Section One. The Municipal Code of the City of Ames, Iowa, is hereby amc,nded by enacting a new subsection 29.2(43), to read as follows: "(43)Supervised Group Home. A residential facility, occupied by persons under the supervision of one or more persons who are unrelated to the persons being supervised by blood, marriage, or adoption, wherein the individuals supervised have mental, social, or substance abuse prob- lems which hinder their functioning in society and require the protection and supervision of a group envirionment to facilitate their becoming functional members of society. Hospitals, correctional placement residences, nursing, convalescent and retirement homes are not included within this definition of 'supervised group homes'. It shall be located no closer than 500 feet from another supervised group home, and shall be licensed by state authorities." Section Two. The Municipal Code of the City of Ames, Iowa, is further amended by repealing subsections 29. 11(2)(a) through (c) as they now exist and enacting new subsections 29. 11(2)(a) through (e) as follows: "(a) No existing structure devoted entirely or in part to a use not permitted by this chapter in the district in which it is located shall be enlarged, extended, reconstructed, moved on the property, or structurally altered, unless the use is changed to a use permitted in the district in which such structure is located. BOOK 19 F PAGE ___.1 4 i (b) Any lawful, vested, nonconforming use shall not be expanded or extended within the structure beyond the area of such use occupied at the time a change in the Zoning regulations made it non-conforming. No such use shall be extended to any land outside such building. (c) If no structural alterations are made, a vested nonconforming use of a structure may be changed to another similar nonconforming use by means of a special exception permit granted by the Zoning Board of Adjustment. However, any proposed change or addition in usage of a nonconforming use must first be reviewed by the Planning and Zoning Commission. Such review shall determine the impact on the surrounding area by considering the following features: (i) Similarity of the proposed use to the current use; (ii) Traffic impact of the proposed use, including delivery vehicles; (iii) Parking adequacy, based on Ordinance parking standards for the proposed use; (iv) Compatibility with surrounding land uses, based on the hours of operation, the ability to incorporate buffering between the proprosed use and surrounding land uses where necessary, the pro- posed signage, and the ability to alleviate such disturbing factors as noise, air pollution, and glare. Any conditions which would create greater disturbing factors to the surrounding area than those produced by the prior nonconforming use shall be a basis for denial. A recommendation shall be forwarded to the Zoning Board of Adjustment for review and determination. (d) If any such nonconforming use of a structure or land and structure in combination ceases for any reason for a period of one (1) year, any subsequent use of such structure shall conform to the district regulations for the district in which such structure is located. When vested nonconforming use status applies to a structure and land in combination, removal or destruction of the structure shall terminate the authorization for the nonconforming use of the land. 2 iB00K PAGE z (e) Any structure lawfully devoted to a use made noncon- forming by this chapter that is destroyed by any means to the extent of sixty (60) percent or more of its re- placement cost at the time of destruction, exclusive of the foundations, shall not be reconstructed except in confor- mity with the provisions of this chapter. If the structure is destroyed less than sixty (60) percent above the foundation, it may be reconstructed and used as before provided such reconstruction is done within one ( 1) year of such happening and is built of like or similar materials." Section Three. The Municipal Code of the City of Ames, Iowa is further amended by repealing subsections 29. 11(3)(b) and (c) and enacting a new subsection 29. 11(3)(b) as follows: "(b) That should it be destroyed by any means to an extent of sixty (60) percent or more of its replacement cost at time of destruction, exclusive of the foundations, it shall not be reconstructed except in conformity with the provisions of this chapter. If the structure is destroyed less than sixty (60) percent above the foundation, it may be recon- structed and used as before provided such reconstruction is done within one (1) year of such happening and is built of like or similar materials. " Section Four. The Municipal Code of the City of Ames, Iowa, is further amended by enacting a new subsection 29.11(4) as follows: "(4) Maintenance and Repair to Vested Nonconforming Struc- tures and to Structures Devoted Entirely or in Part to Vested Nonconforming Uses. Nothing in this section shall prohibit the maintenance and repair of vested nonconforming structures or structures in sound and safe condition, provided no structural enlargement, extension or change shall be made to increase the degree of nonconformity. " Section Five. The Municipal Code of the City of Ames is further amended by repealing subsection 29. 12(1) as it now exists and enacting a new subsection 29. 12(1) for the purpose of adding supervised group homes to the list of permitted uses in the A-1 district, as follows: "(1) Permitted Uses. A building or premises shall be used only for the following purposes: Agricultural pursuits and farm-related activities Plant nurseries including greenhouses Stables Cemeteries Golf courses, except miniature golf courses and driving ranges operated for commercial purposes Country clubs ;3 BOOK _1 PAGE 3 ' a a Places of worship Private schools having curriculum similar to that offered by public schools Single-family dwellings Supervised Group Homes" Section Six. The Municipal Code of the City of Ames is further amended by repealing subsection 29. 14(1) as it exists now and enacting a new subsection 29.14(1) for the purpose of adding supervised group homes to the list of permitted uses in the R1-10 district, as follows: "(1) Permitted Uses. A building or premises shall be used only for the following purposes: Single-family dwellings Places of worship Cemeteries Golf course, except miniature golf courses and driving ranges operated for commercial purposes Country club Private schools having curriculum similar to that offered by public schools Supervised Group Homes" Section Seven. The Municipal Code of the City of Ames, Iowa is further amended by repealing subsection 29. 15(1) as it exists now and enacting a new subsection 29.15(1) for the purpose of adding super- vised group homes to the list of permitted uses in the 111-6 district, as follows: "(1) Permitted Uses. A building or premises shall be used only for the following purposes: Single-family dwellings Two-family dwellings if constructed or under con- struction prior to November 1, 1983, and if originally designed and built pursuant to a zoning and building permit as a two-family dwelling, and not a single- family dwelling converted to a two-family dwelling as evidenced by the plans on file with the Chief Building Official Places of worship Cemetery Golf course, except miniature golf courses and driving ranges operated for commercial purposes Country club Private schools having curriculum similar to that offered by public schools Supervised Group Homes" 4 BOOK -Lig- PACE _ ___ ' 1 Section Eight. The Municipal Code of the City of Ames is further amended by repealing subsection 29. 16(1) as it exists and enacting a new subsection 29. 16(1) for the purpose of adding supervised group homes to the list of permitted uses in the R-2 district, as follows: "(1) Permitted Uses. A building or premises shall be used only for the following purposes: Single-family dwellings Two-family dwellings Multiple-family dwellings if constructed or under con- struction prior to November 1, 1983, and if originally designed and built pursuant to a zoning and building permit as a multiple family dwelling, not a conversion, as evidenced by the plans on file with the Chief Building Official. Cemetery Golf course, except miniature golf courses and driving ranges operated for commercial purposes Country club Places of worship Private schools having curriculum similar to that offered by public schools Supervised Group }tomes" Section Nine_ . The Municipal Code of the City of Ames, Iowa, is hereby amended by repealing Scct.ion 29. 17 as it exists and enacting a new Section 29. 17 to read as follows: "Sec. 29. 17. 112-7, LOW-DENSITY RESIDENTIAL DISTRICT, TWO-FAMILY DWELLINGS RATIONED. Statement of Intent. This district is established to accom- modate single family dwellings and a limited allotment of two-family dwellings and other uses customarily found in low-density residen- tial areas such as churches, public and parochial schools, golf courses and parks. "(1) Permitted Uses. A building or premises shall be used only for the following purposes: Single-family dwellings Two-family dwellings Multiple-family dwellings if constructed or under con- struction prior to November 1 , 1983, and if originally designed and build pursuant to a zoning and building permit as a multiple family dwelling, not a conversion, as evidenced by the plans on file with the Chief Building Official. Cemetery Golf course, except miniature golf courses and driving ranges operated for commercial purposes Country club 000K PAGE -5 Places of worship Private schools having curriculum similar to that offered by public schools Supervised Group Homes" (2) Bulk Regulations. The following minimum requirements shall be observed. (a) Lot Area Single-family dwellings-6,000 sq.ft. Two-family dwellings-7,000 sq.ft. (b) Lot Width Dwellings at street line-35 feet Dwellings at building line-50 feet (c) Front Yard Single-family dwellings-25 feet Two-family dwellings-25 feet (d) Side Yard 6 feet for one story 8 feet for two stories 10 feet for three stories 15 feet on street side for corner lot except when additional side yard is required to prevent motor vehicles from parking on the sidewalk. (e) Rear Yard 20 feet minimum (f) Maximum Height 3 stories or 40 feet (3) Off-Street Parking Requirements. Two per unit required in all single and two family dwellings; :and all other permitted uses as required in Sec. 29.40. (4) For contiguous lands, lots, parcels or tracts which are placed together in an 112-7 classification on the official land use zoning map of the city, the cummulative number of two-family dwellings that shall be permitted on all said land together shall not exceed the ratio of one two-family dwelling for every four single family dwellings. (5) When a new subdivision plat is submitted for approval with respect to land that is zoned 122-7 the location of each lot in the subdivision shall be designated as either a single-family or two-family dwelling site. Zoning and building permits for two-family dwellings will be issued only for those lots designated on the approved subdivision plat as a two-family dwelling site. It is the policy and intent of this provision to discourage and impede the clustering or concentration of two-family dwellings in a relatively small area and encourage the dispersion of two-family dwellings through the subdivision or development area, the quantity of such not r to exceed the ratio stated in subsection (4) above. 6 Bou 19 L PAGE ' 1 (6) For the purpose of subsections (4) and (5) above, all two- family and multiple-family dwellings, whether originally so de- signed and built or converted to such, shall be included in the determination of the ratio between single-family dwellings and two-family dwellings. For this purpose a multiple-family dwell- ing shall be deemed equivalent to that number of two-family dwellings equalling the number of dwelling units in the multi- family dwelling, divided by two. Occupancy of a single dwelling unit or of a structure designed and built as a single family dwelling by more than three adult persons not related by marriage or consanguinity is prohibited and shall constitute a violation of this section." Section Ten. The Municipal Code of the City of Ames is further amended by repealing subsection 29.18(1) as it now exists and enacting a new subsection 29. 18(1) for the purpose of adding supervised group homes to the list of permitted uses in the R-3 district, as follows: "(1) Permitted Uses. A building or premises shall be used only for the following purposes: Single-family dwellings Two-family dwellings Multiple-family dwellings Multiple-family dwellings that do not meet the R-3 regulations which were lawfully constructed or under construction prior to November 1, 1983, pur- suant to zoning and building permits as evidenced by the plans on file with the Chief Building Official, in compliance with the applicable bulk regulations of the R-4, High Density Residential District when the location was zoned as R-4. Boarding and lodging houses Funeral homes and mortuaries Nursing and convalescent homes Places of worship Private schools having curriculum similar to that offered by public schools Retirement and homes for the elderly Supervised Group Homes" Section Eleven. The Municipal Code of the City of Ames is further amended by repealing subsection 29. 19(1) as it now exists and enacting a new subsection 29.19(1) for the purpose of adding supervised group homes to the list of permitted uses in the R-4 district, as follows: "Statement of Intent. The R-4 District is intended and designed for certain high-density residential areas of the city, including Iowa State University dormitories, locations adjacent to the campus and areas adjacent to commercial and employment centers. Boos JJ_L PAGE _�. (1) Permitted Uses. A building or premises shall be used only for the following purposes: Single-family dwellings Two-family dwellings Multiple-family dwellings Boarding and lodging houses Funeral homes and mortuaries Nursing and convalescent homes Places of worship Private schools having curriculum similar to that offered by public schools Retirement and homes for the elderly Supervised Group Homes" Section Twelve. The Municipal Code of the City of Ames is further amended by repealing subsection 29.22(1) as it exists and enact a new subsection 29.22(1) for the purpose of including accessory build- ings to multiple-family dwellings among the permitted uses, and to allow for apartments to be provided in conjunction with offices, as follows: Statement of Intent. This district is intended to accommodate the wide range of retail commercial services and products, wholesaling, warehousing, and multiple-family residential units. (1) Permitted Uses. A building or premises shall be used only for the following purposes: All uses involving retailing, commercial services and products to the general public, wholesaling, and ware- housing. It is also intended to accommodate, in those same areas, the development of mixed land uses which will allow the combination of commercial and residential uses in the same structure. Residential uses should be located above the first floor. (2) Bulk Regulations. The following minimum requirements shall be observed. (a) Lot Area No minimum Mixed Use-6,000 sq. ft. for the first dwelling unit and 1 ,000 sq.ft. for each additional dwelling unit. (b) Lot Width 50 feet (c) Front Yard 20 feet (d) Side Yard 5 feet with a minimum of 15 feet between structures on adjacent properties. 20 feet if abutting a street or residential district. 8 BOOK 9 g PAGE _ 9 (e) Rear Yard 10 feet 20 feet if abutting a residential district (f) Maximum Height 4 stories or 50 feet (3) Off-Street Parking Requirements. As required by Section 29.40. (4) Site Plan Requirement. As required by Section 29.49. Section Thirteen. The Municipal Code of the City of Ames is hereby further amended by repealing section 29.23 as it exists now and enacting a new section 29.23 as follows: Statement of Intent. This district is intended to accom- modate the Central Business District and Campustown Business District and provide for retailing, services, business and other facilities appropriate to commercial centers. It is also intended to accommodate, in those same areas, the development of mixed land uses which will allow the combina- tion of commercial and residential uses in the same structure. (1) Permitted Uses. A building or premises shall be used only for the following purposes: All uses involving retailing, commercial services and products to the general public., wholesaling and ware- housing only in connection with retail and service businesses. Dwelling units may only be constructed in conjunction with a commercial use. Residential uses should be located above the first. floor. (2) Bulk Regulations. The following minimum requirements shall be observed: (a) Lot Area Commercial Use-no minimum Mix use-250 sq.ft. of lot area for each dwelling unit. (a) Lot Area Commercial Use-no minimum Mixed Use-250 sq.ft. of lot area for each dwelling unit. (b) Lot Width Commercial Use-no minimum Mixed Use-25 feet (c) Front Yard Commercial Use-no minimum Mixed Use-no minimum 9 00OF ��9 g PAGE �L_._ (d) Side Yard Commercial Use-no minimum Mixed Use-no minimum (e) Rear Yard Commercial Use-no minimum Mixed Use-no minimum M Maximum Height Commercial Use-9 stories Mixed Use-9 stories (3) Off-Street Parking Requirements. Commercial Use - No Parking required. Mixed Use - One (1) parking space for each dwelling unit must be provided on site or at a site approved by the City. The Zoning Board of Adjustment will have the authority to grant requests for exceptions to this standard to obviate practical difficulties in a manner consistent with the goals of the city land use policy in doing so. Occupancy of a single dwelling unit or of a structure designed and built as a single family dwelling by more than three adult persons not related by marriage or consanguinity is prohibited and shall constitute a violation of this section, except that four unrelated adults may occupy a dwelling unit if three off-street parking spaces are provided, and five unrelated adults may occupy a dwelling unit if four off-street parking spaces are provided." Section Fourteen. The Municipal Code of the City of Ames is further amended by repealing subsection 29.24(1)(b) as it exists and enacting a new subsection 29.24(1)(b) as follows: "(b) To regulate conversion of relatively small parcels of land from a residential to a commercial use when such parcel abuts on one side to a conforming developed commercial use and on the other side to a developed residential use." Section Fifteen. The Municipal Code of the City of Ames is further amended by repealing subsection 29.24(3)(b) as it exists and enacting a new subsection 29.24(3)(b) as follows: "(b) A site plan indicating: Area to be developed for build- ings; parking and landscaping; pedestrian and vehicular access and circulation; finished topography; points of ingress and egress; location of all existing and proposed utilities (sanitary sewer, water system, storm sewer, gas, telephone, and electrical power); location, size and characteristics of identification or advertising signs; lighting layout, appurtenances, and intensity of illumina- tion; elevation of buildings and structures. The objectives of the site plan are: 10 RooK �R$ PAGE _L0 _ (i) To reduce adverse effects upon the subject pro- perty and adjacent and nearby property. (ii) To control storm water runoff. (iii) To control soil erosion. (iv) To screen unsightly situation, undesirable views, and incompatible land uses. (v) To buffer noise and other disturbing sounds. (vi) To promote public safety and adequate circulation. (vii) To provide adequate utility service. (viii)To provide adequate fire protection. A statement of intent shall be included with the site plan to explain the methods used to implement the above objectives through the planning of the site and the location and design of structures. The site plan shall be prepared at a minimum scale of one inch = one hundred (100) feet and all elevations shall be based on City of Ames datum. Existing topo- graphic contours shall be shown as solid lines and proposed contours shall be shown as dashed lines. Cross- sections shall indicate elevations of all man-made structures and relationship to existing and proposed site elevations." Section Sixteen. The Municipal Code of the City of Ames is amended by repealing subsection 29.25(3)(a) as it exists and enacting a new subsection to read as follows: "(a) A site plan indicating: Areas to be developed for building, parking and land- scaping; pedestrian and vehicular access and circulation; finished topography; points of ingress and egress; location of all existing and proposed utilities (sanitary sewer, water system, store sewer, gas, telephone, and electrical power); and elevations of buildings and structures. Proposed signs shall conform to any city ordinance provisions which pertain to signs. The objects of the site plan requirements are: (i) to reduce adverse effects upon the subject property and adjacent and nearby property. 11 ROOM -q _ (ii) to control store water runoff. (iii) to control soil erosion. (iv) to control air pollution. (v) to screen unsightly situation, undesirable views, and incompatible land uses. (vi) to buffer noise and other disturbing sounds. (vii) to promote public safety and adequate circulation. (viii) to provide adequate utility service. (ix) to provide adequate fire protection. A statement of intent shall be included with the site plan to explain the methods used to implement the above objectives through the planning of the site and the location and design of structures. The site plan shall be prepared at a minimum scale of V equals 100' and all elevations shall be based on City of Ames datum. Existing topographic contours shall be shown as solid lines and proposed contours shall be shown as dashed lines. Cross sections shall indicate elevations of all man-made structures and relationship to existing and proposed elevations. " Section Seventeen. The Municipal Code of the City of Ames is further amended by enacting new subsections 29.25(3)(c) to read as follows: "(c) A Landscape Plan Showing: Location, size and descrip- tion of all proposed and existing plant materials; existing plan materials to be removed; existing plant materials to be retained; areas to be developed for buildings, park- ing, streets, and landscaping. Because some plan materials are at times unavailable, alternative plan materials should also be listed. The landscape plan shall be drawn to a minimum scale of V equals 1001. The Objectives of the Landscape Plan are: (i) To reduce adverse effects upon the subject pro- perty and adjacent and nearby property. (ii) To screen unsightly situations, undesirable views and incompatible land uses. (iii) To buffer noise and other disturbing sounds. (iv) To provide for shade, protection from elements, and the comfort and convenience of people. 12 BOOK 19_ PAGE A statement of Intent shall be inlcluded with the land- scape plan to explain the methods used to implement the above objectives through the provision of plant materials and other suitable structures and features. Minimum Standards for Plant Materials: (i) Hardiness suitable to the Ames climate and shall be monitored for a period of three growing seasons to insure normal growth. All dead materials shall be replaced within this time period. (ii) Trees--Trees measured by height shall be a minimum of 6 feet in height from ground when planted (ornamental). Trees measured by trunk diameter shall be a minimum of A inch caliper (shade trees)." Section Eighteen. The Municipal Code of the City of Ames, Iowa, is further amended by repealing Section 29.29 as it exists now and enacting a new Section 29.29 as follows: "Sec. 29.29. REQUIREMENTS FOR PRIVATE GARAGES ANI) ACCESSORY BUILDINGS. In any 'A-1', 'S-R', '111-101, 'R1-61, 'R-2', 1112-7' 'R-31, 'R-4', or 'H-M' District, the following requirements apply to detached garages and accessory buildings: (1) A private garage is permitted in the side or rear yard on the same lot with a dwelling either as a separate building or in a separate room within, or attached to the dwelling, exept as hereinafter provided. In any 'A-11, 'S-R', 'R1-10','R1-6', 'R-2', or 'R2-7' District, the number of spaces for motor vehicles shall be no greater than two (2) more than the number of dwelling units existing or under construction on the parcel. (2) Each detached private garage or accessory building shall be not less than three (3) feet from a party lot or alley line, except that when any part of such accessory building is within fifty (50) feet of any street or public place upon which the lot abuts, such building shall be not less than six (6) feet from any lot line which serves as the front portion of a side lot line to any adjoining property. (3) No detached garage or accessory building is per- mitted within the limits of the front yard. (4) A detached garage may be erected across a common lot line by mutual agreement of the adjoining pro- perty owners. 13 BOOB 9 g PAGE .1. ..� (5) Accessory buildings within a rear yard may not occupy more than twenty-five (25) percent of the rear yard, and the maximum gross floor area per- mitted for accessory buildings shall not exceed 900 square feet for accessory uses to a single-family dwelling and 1,200 square feet for accessory uses to a two-family dwelling. (6) When wholly or partially within the limits of any side yard, a detached garage or accessory building is considered a part of the principal building on the same lot and shall conform to all yard and space requirements specified herein for principal buildings. In the event of a rear yard detached garage, such construction is permitted if the addition to the house is 20 or more feet distant from the proposed garage. (7) No detached garage or accessory building shall contain living quarters. " Section Nineteen. The Municipal Code of the City of Ames, Iowa, is further amended by repealing Section 29.30 as it exists now and enacting a new Section 29.30 as follows: "Sec. 29.30. FRONT YARD VARIATIONS. In S-R , R1-10, R1-6, R-2 and R2-7 districts the re- quired front yard setback for a principal building shall be the average of the front yard setbacks of principal buildings within fifty (50) feet. located on adjacent properties, fronting on the same side of the street. Such front yard setback shall not be less than the minimum setback requirement for the district in which the proposed new construction is to be located, or more than fifty (50) feet. " Section Twenty. The Municipal Code of the City of Ames, Iowa is further amended by repealing Section 29.39 as it now exists. Section Twenty-One. The Municipal Code of the City of Ames, Iowa, is further amended by repealing Section 29.40 as it now exists and enacting a new Section 29.40 as follows: "Sec. 29.40. OFF-STREET PARKING REQUIRED In all districts there shall be provided at the time any building is erected or structurally altered (except as other- wise provided in this chapter) off-street parking spaces in accordance with the following requirements: (1) Parking for Dwellings: One- and two-family dwellings, two parking spaces for each dwelling unit, multiple-dwellings, 1 .5 parking spaces for one-bedroom units, two parking spaces for each dwelling unit for all others. 14 , I BOOK _19 g PA0F _..L (2) Parking for Boarding Houses, Lodging Houses, Fraternities, Sororities and Private Dormitories: For all boarding houses, lodging houses, frater- nities, sororities and private dormitories, hereafter erected or for any building converted to such use or occupancy, there shall be provided one (1) parking space for each sleeping room or one (1) parking space for each two (2) beds, whichever is greater. (3) Parking for Hotels and Motels: For all hotels and motels hereafter erected, or for any building con- verted for such use or occupancy, there shall be provided one (1) parking space for each guest room or suite of rooms in the building and one ( 1) parking space for each two (2) employees. (4) Parking for Places of Public Assembly: For every building or part thereof hereafter erected, or for any building converted to such uses or occupancy to be used principally as a place of public assembly or for any addition thereto, there shall be provided parking space as indicated below: (a) Places of Worship: One (1) parking space for every eight (8) persons for which seating is provided in the main auditorium exclusive of the seating capacity of Sunday School and other special rooms. When seating is not provided in the main auditorium, one (1) parking space shall be provided for each one hundred twenty (120) square feet in the worship area. (b) Theaters, Auditoriums, Sports Areas, Stadiums, or Gymnasiums: One (1) parking space for every five (5) persons for which seating is provided. (c) Bowling Alleys: Five (5) parking spaces for each lane. Additional parking spaces shall be provided for a restaurant, bar, or other accessory uses as defined for those uses elsewhere in this section. (d) Private Clubs, including Clubhouses for Golf Course, Fraternal Organizations, Libraries, Museums, and Community Buildings: One (1) parking space for each two hundred (200) square feet of floor area, or fraction thereof, in the building. (e) Enclosed Tennis, Handball, Raquetball, Squash Courts: Four (4) spaces per court plus one (1) space for each additional two hundred (200) square feet. 15 BOOK J-9 7 _ PAGE IS (f) Funeral Home or Mortuary: One (1) parking space for fifty (50) square feet in the slumber rooms, parlors, and individual funeral service rooms. (5) Parking for Hospitals, Nursing Homes, Convalescent Homes, and Other Similar Type Institutions: One (1) parking space for each two (2) employees and one (1) visitor parking space for every two (2) beds in the structure. (6) Parking for Supervised Group Homes: For all group homes hereafter erected or for any building converted to such use or occupancy, there shall be provided two (2) parking spaces plus one (1) additional space for each two full-time employees on the maximum shift. (7) Parking for Private Schools, Private Colleges, or Private Universities: One (1) parking space for each staff member and one (1) parking space for every five (5) high school, college, or university students. (8) Parking for Mobile Home Parks and Subdivision: Two (2) parking spaces for each mobile home space plus one (1) guest parking space for each four (4) mobile home spaces. (9) Parking for Business and Professional Office Buildings and Banks: One (1) parking space for each two hundred fifty (250) square feet of gross floor area, or fraction thereof in the ground level floor of the building and one (1) parking space for each three hundred (300) square feet of gross floor area or fraction thereof, in other than the ground level floor of the structure. (10) Parking for Medical and Dental Clinics: One (1) parking space for each two hundred (200) square feet of floor area. ( 11) Parking for Restaurants, Night Clubs, Bars, and Dance Halls: One (1) parking space for every four (4) occupants, based on the legal occupancy load as defined by the City Code, and one (1) parking space for each two (2) employees per maximum work shift. (12) Parking for Shopping Centers, Exclusive of Theaters, Office or Grocery Store Uses: There shall be provided a minimum of 5.5 parking spaces for each one thousand ( 1 ,000) square feet of gross leasable floor area. 16 / /- 000W PAGE (13) Parking for Grocery Stores One (1) parking space for each one hundred fifty (150) square feet of gross leasable floor area. (14) Parking for Retail Stores and Personal Service Establishments and Other Similar Commercial Uses, Except as Otherwise Specified Herein: One (1) parking space for each two hundred (200) square feet of floor area, or fraction thereof in the ground level of the building, and one (1) parking space for each two hundred fifty (250) square feet of floor area, or fraction thereof, in other than the ground level of the building. (15) Parking for Furniture or Appliance Stores, Machinery or Equipment Sales and Service: Two (2) parking spaces plus one additional parking space for each five hundred (500) square feet of floor area over one thousand (1,000). (16) Parking for Wholesale, Manufacturing and Industrial Buildings: One (1) parking space for each two (2) employees from the combined employment fo the two largest overlapping shifts, plus additional space to accommodate all trucks and other vehicles used in connection therewith. (17) Parking for Gasoline Service Station and Vehicle Repair: Three (3) parking spaces plus two (2) additional spaces for each service stall or bay. No parking shall be permitted in the service drive. (18) Parking for a Car Wash: Five (5) parking spaces for each washing bay. (19) Parking for Motor Vehicle Sales and Service: Two (2) parking spaces plus one additional parking space for each five hundred (500) square feet of floor area over one thousand (1,000) in the show- room and sales area. Two (2)additional parking spaces shall be provided for each service stall or bay. " Section Twenty-Two. The Municipal Code is further amended by repealing Subsection 29.47(5)(b) as it exists now and enacting a new Subsection 29.47(5)(b) as follows: "(b) Density. The permitted maximum dwelling unit density per gross acre shall not exceed the following: R 1-10 4.3 dwelling units/acre R1-6 7.2 dwelling units/acre R-2 12.4 dwelling units/acre R2-7 8.4 dwelling units/acre R-3 22.3 dwelling units/acre R-4 38.5 dwelling units/acre 17 BOOK ._ilL PAGE _..LZ Where a PUD is proposed and is contained within two or more zoning districts, density shall be determined by adding the maximum dwelling units allowable for each part." Section Twenty-Three. The Municipal Code of the City of Ames, Iowa, is further amended by repealing Subsection 29.49(11) as it exists now and enacting a new Subsection 29.49(11) as follows: (11) Complete Traffic circulation and parking plan, showing the location and dimensions of all existing and proposed parking stalls, loading areas, entrance and exit drives, pedestrian access and walkways, transit access and loading areas, bicycle lanes, dividers, planters and other similar improvements." Section Twenty-Four The Municipal Code is further amended by repealing Subsection 29.51(2) as it exists now and enacting a new Subsection 29.51(2) as follows: "(2) Designation of the Area. For purposes of these regula- tion an area may be designated by ordinance of the City Council, after having received the advice and comments of the Planning and Zoning Commission, as an Environ- mentally Sensitive Area Overlay if the results of scientific study of the area support the conclusion that the area so designated is especially sensitive to adverse public impact from development due to unique environ- mental circumstances." Sec I ion_Twenty-Five. The Municipal Code is further amended by enacting a new Section 29.77 as follows: "Sec. 29.77. OFF-STREET BICYCLE PARKING REQUIRED Statement of Intent. It is the intent of this section to pro- vide for safe and secure bicycle parking facilities in all new and expanded development. The purpose of this section is to encourage increased bicycle use by providing adequte, con- venient, and secure parking facilities In the R-3, R-4, H-M, G-C, and G-1 districts, a minimum number of bicycle parking spaces for all types of development shall be 20 percent of the required car parking spaces or 4 spaces, whichever is greater. This provision does not apply to residential developments of two dwelling units or less. Exception to the number- of required bicycle harking spaces may be granted by the Zoning Board of Adjustment if the applicant can demonstrate that, due to the location or predominant use of the development, the bicycle parking facility would not be used. 18 BOOK M _ PA(;F _, � Location Criteria. Bicycle parking facilities should be located to enhance security by providing for casual, visual surveillance from within a building and/or by passersby. The location of bicycle parking should be convenient to the entrances of buildings withoug interfering with pedestrian movement or handicapped parking needs. In large develop- ments, bicycle parking facilities should be dispersed in clusters, if possible, to minimize congestion and to service individual location entrances within the development. Con- sideration should be given to an adequate traffic aisle adjacent to the bicycle parking spaces." Section Twenty-Six. The Municipal Code of the City of Ames, Iowa, is further amended by enacting a new Section 29.78 to read as follows: "Sec. 29. REQUIREMENTS FOR ACCESSORY BUILDINGS FOR NONCONFORMING RESIDENTIAL USES In any G-C or G-1 District, the following requirements apply to accessory uses to a legally nonconforming single- family and two-family dwelling: (1) A detached garage or accessory building is per- mitted in the side yard or rear yard on the same lot with a single-family or two-family dwelling in the G-C district, provided it maintains the same side yard and rear yard setbacks as a principal building of a commercial nature would be required to maintain. (2) A detached garage or accessory building is per- mitted in the side yard or rear yard on the same lot with a single-family or two-family dwelling in the G-1 district, provided the same side and rear yard setbacks for a permitted structure in the G-1 district are maintained. (3) No detached garage or accessory building is per- mitted in the front yard." Section Twenty-Seven. The Municipal Code of the City of Ames, Iowa, is further amended by enacting a new section 29.79 to read as follows: "Sec. 29.79. SURFACING OF OFF-STREET PARKING AREAS Off-street parking areas provided in any zone shall meet the following minimum improvement standards. (1) Surface material. The following surfacing methods are permitted. Other methods may be used and approved by the Municipal Engineer. 19 BOOK _ g PA( F _.�.� (a) Portland Cement Concrete (PCC) -- minimum thickness 3" (b) Asphaltic Cement Concrete (ACC) -- minimum thickness 3" (c) Gravel or crushed rock -- minimum thickness of 3" with a permanent border material used to hold the gravel in place. The above are minimum standards. Greater thick- ness shall be used if necessitated by subsoil conditions or the type of vehicles which will be using the parking area. In all off-street parking areas where access will be provided for heavy trucks and transit vehicles, the pavement thickness shall be adequate to accommodate such vehicles. When it is anticipated that transit service will be extended to sites not presently served, pavement thickness shall be adequate to accommodate transit vehicles. (2) Except for driveways, Parking spaces must be clearly delineated on all parking surfaces. The method of parking space delineation may be deter- mined by the owner with approval from the Transportation Engineer. (3) All off-street parking spaces, as well as access driveways serving those spaces, shall be maintained based on the following guidelines: (a) PCC or ACC surface shall be generally smooth and clean at all times. Snow shall be removed within 10 daylight hours after the end of a snowfall. (b) Gravel surfaces shall be generally level at all times. The filling of ruts and low spots is required as is the timely placement of additional gravel so as to maintain the original condition of the lot. Snow shall be removed within 10 daylight hours after the end of a snowfall. (4) Construction of the parking area must be certified by the zoning administrator to be complete and usable before occupancy is allowed. " Section Twenty-Eight. The Municipal Code of the City of Ames, Iowa, is further amended by repealing Subsection 29.2(11) as it now exists and enacting a new Subsection 29.2(11) as follows: "Dwelling -- Two-Family. A building comprised of two apart- ments designed for occupancy as separate dwelling and housekeeping units. Such building shall be deemed a two- 20 BooK PAGE _x2::O family dwelling regardless of how many persons, if any, occupy each apartment, and regardless of any familial or rental relationships that may exist between the occupants of the two apartments. Section Twenty-Nine. The Municipal Code of the City of Ames, Iowa is further amended by repealing Section 29.48 as it now exists and enacting a new Section 29.48 as follows: "Sec. 29.48. APPROVAL OF PUD PLAN AND DESIGNATION OF THE PUD AREA If the Council approves the PUD plan by resolution, then an ordinance designating the land as a PUD Overlay Area may be enacted in accordance with the statutory procedures for enactment of zoning ordinances. Thereafter zoning and building permits may be issued in accordance with the approved PUD plan, although the use of the land and the location of the buildings to be erected on the land, the yards and open spaces contemplated by the plan, do not conform in all respects to the underlying district regulations of the basic zoning district in which the land is located. Any variation or departure from the approved plan shall constitute a violation of the zoning ordinance. The zoning enforcement officer shall deny zoning and building permits pertaining to any proposed variation or departure from an approved PUD plan until a revision of the plan has been approved, by resolution, under the same procedure as is established for approval of an original plan. So long as a location is designated by ordinance as being in a PUD Overlay Area no zoning or building permit shall be issued for that location except in accordance with an approved PUD plan. " Section Thirty. This ordinance shall be in full force and effect from and after its passage and publication as required by law. Section Thirty-One. All ordinances or parts of ordinances in conflict herewith are hereby repealed to the extent of their conflict. Section Thirty-Two. Violation of the provisions of this ordinance shall constitute a misdemeanor punishable by a fine not to exceed one hundred ($100) dollars or thirty (30) days in jail. Passed,,Ahis �5th day of October 1983. s C ' C mm c& Git ns, City Clerk F. Paul Goo land, Mayor 1 i.. . c t I 21 BOOK PAGE -�� I , Nancy Gibbons, duly appointed, qualified and acting City Clerk of the City of Ames, Story County, Iowa, do hereby certify that Ordinance No. 2861 was duly adopted on the 25th day of October, 1983, by the Ames City Council and that the attached is a true and exact copy of said Ordinance. Nancy ibbon City Clerk of the City of Ames , tory County, Iowa BOOK _l q $ PAGE c" O F ri Cn