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§ 156.060 LIGHT MANUFACTURING DISTRICT (M-1).
   (A)   Purpose. The purpose of the M-1 District is to encourage development of manufacturing and wholesale business establishments which are clean, quiet, and free of hazardous or objectionable elements, such as noise, odor, dust, smoke, or glare, and shall operate entirely within an enclosed structure and generate little industrial traffic. Research activities are encouraged. This District is further designed to act as a transitional use between any manufacturing uses and other less intense business and residential uses.
   (B)   Permitted uses. The following uses are permitted in the M-1 Zone:
      (1)   Auto sales, services, storage, and rentals;
      (2)   Billboard manufacturing;
      (3)   Building supply outlets;
      (4)   Cabinet shops;
      (5)   Car washes;
      (6)   Cleaning and laundry agencies;
      (7)   Contractor storage yards;
      (8)   Dairy products processing;
      (9)   Food processing plants;
      (10)   Furniture refinishing;
      (11)   Grain storage;
      (12)   Commercial laundry plants;
      (13)   Retail lumber yards;
      (14)   Machine shops;
      (15)   Nurseries for flowers and plants;
      (16)   Parking lots and garage facilities;
      (17)   Public utility yards;
      (18)   Railroad yards or shops;
      (19)   Sanitary landfills;
      (20)   Shops for building contractors;
      (21)   Sign shops;
      (22)   Terminal trucking and yard trucking;
      (23)   Tire shops, including recapping;
      (24)   Trailer, mobile home, and farm equipment sales yards;
      (25)   Warehousing and wholesaling;
      (26)   Home occupations;
      (27)   Multi-family dwellings;
      (28)   Rooming or boarding houses;
      (29)   Single-family dwellings; and
      (30)   Two-family dwellings.
   (C)   Conditional uses. The following uses are conditional uses permitted in the M-1 District:
      (1)   Those uses permitted in C-1 and C-2 Districts;
      (2)   Billboard manufacturers;
      (3)   Chemical storage and manufacturing;
      (4)   Drive-in theaters;
      (5)   Feedlots and stockyards;
      (6)   Food stores and delicatessens;
      (7)   Fuel yards;
      (8)   Hospitals;
      (9)   Ice manufacturing and cold storage plants;
      (10)   Junkyards;
      (11)   Machine shops;
      (12)   Meat packing plants;
      (13)   Monument works and stone;
      (14)   Planned unit developments;
      (15)   Prescription pharmacies;
      (16)   Printing and blueprinting;
      (17)   Rendering plants;
      (18)   Roadside stands;
      (19)   Service stations;
      (20)   Truck and tractor repair;
      (21)   Wood processing plants, except pulp mills, chipping plants, and creosote plants; and
      (22)   Wrecking yards.
   (D)   Yards. There are no yard requirements in the M-1 District.
   (E)   Maximum height. Buildings shall not exceed four stories in height.
(Prior Code, § 13-6-2-9) (Ord. 468, passed 4-15-1980; Ord. 2021-01, passed 2-10-2021)
§ 156.061 HEAVY MANUFACTURING DISTRICT (M-2).
   (A)   Purpose. The purpose of the M-2 District is to encourage development of major manufacturing, processing, warehousing, and major research and testing operations.
   (B)   Requirements. These activities require extensive community facilities and reasonable access to arterial thoroughfares.
   (C)   Permitted uses. Those uses permitted in the M-2 District are as follows:
      (1)   Asphalt plants;
      (2)   Auto sales, service, storage, and rentals;
      (3)   Beverage bottling plants;
      (4)   Concrete batch plants or clay products manufacturing;
      (5)   Contractor’s storage yards;
      (6)   Dairy products and processing;
      (7)   Food processing plants;
      (8)   Fuel yards;
      (9)   Grain storage;
      (10)   Ice manufacturing and cold storage plants;
      (11)   Junkyards;
      (12)   Lumberyard retail;
      (13)   Machine shops;
      (14)   Meat packing plants;
      (15)   Monument works and stone;
      (16)   Parking lots and garage facilities;
      (17)   Petroleum storage;
      (18)   Planing mills;
      (19)   Public utility yards;
      (20)   Railroad yards or shops;
      (21)   Shops for building contractors;
      (22)   Sign shops;
      (23)   Terminal trucking yards;
      (24)   Tire shops;
      (25)   Trailer, mobile home, and farm equipment sales yards;
      (26)   Truck and tractor repairs;
      (27)   Warehousing and wholesaling;
      (28)   Wood processing plants; and
      (29)   Wrecking yards.
   (D)   Conditional uses. The following are conditional uses permitted in the M-2 Zone:
      (1)   Chemical storage and manufacturing; and
      (2)   Railroads.
   (E)   Yards. There are no yard requirements in the M-2 Zone.
   (F)   Maximum height. Buildings in Zone M-2 shall not be more than four stories in height.
(Prior Code, § 13-6-2-10) (Ord. 468, passed 4-15-1980)
PERFORMANCE STANDARDS
§ 156.075 GENERAL.
   The purpose of performance standards is to set specific conditions for various uses, classification of uses, or areas where problems are frequently encountered.
(Prior Code, § 13-7-1) (Ord. 468, passed 4-15-1980)
§ 156.076 SUPPLEMENTAL YARD AND HEIGHT REGULATIONS.
   (A)   Visibility at intersections. On a corner lot in any district, nothing shall be erected, placed, planted, or allowed to grow in such a manner so as to materially impede vision between a height of two and one-half feet and ten feet above the centerline grades of the intersecting streets in the area bounded by the right-of-way lines of such corner lots and a line joining points along said street right-of-way lines 25 feet from the point of intersection.
   (B)   Yard requirements for multi-family dwellings. Multi-family dwellings shall be considered as one building for the purpose of determining front, side, and rear yard requirements. The entire group as a unit shall require one front, one rear, and two side yards as specified for dwellings in the appropriate district.
   (C)   Side and rear yard requirements for nonresidential uses abutting Residential Districts. Nonresidential buildings or uses shall not be located nor conducted closer than 40 feet to any lot line of a Residential District, except that the minimum yard requirements may be reduced to 50% of the requirement if acceptable landscaping or screening approved by the Commission is provided.
      (1)   Such screening shall be masonry or solid fence between four feet and eight feet in height maintained in safe condition and free of all advertising or other signs on the residential side of the lot.
      (2)   Landscaping provided in lieu of such wall or fence shall consist of a strip of land not less than 20 feet in width planted with an evergreen hedge, or dense planting of evergreen shrubs not less than four feet in height at the time of planting.
   (D)   Architectural projections. Open structures such as canopies, balconies, platforms, carports, covered patios, and similar architectural projections shall be considered parts of the building to which attached and shall not project into the required minimum front, side, or rear yards.
   (E)   Exceptions to height regulations. The height limitations contained in the official schedule of district regulations do not apply to spires, belfries, cupolas, antennas, water tanks, ventilators, chimneys, or other appurtenances usually required to be placed above the roof level and not intended for human occupancy, except where the height of such structures will constitute a hazard to the safe landing and takeoff of aircraft at an established airport.
(Prior Code, § 13-7-2) (Ord. 468, passed 4-15-1980) Penalty, see § 10.99
§ 156.077 SUPPLEMENTAL GENERAL PROVISIONS.
   In addition to all other regulations as specified in this title, the following provisions shall be adhered to:
   (A)   Conversion of dwellings to more units. A residence may not be converted to accommodate an increased number of dwelling units unless:
      (1)   The yard dimensions still meet the yard dimensions required by this title for new structures in that district;
      (2)   The lot area per dwelling unit equals the lot area requirements for new structures as prescribed by the most current edition of the Uniform Building Code;
      (3)   The floor area per dwelling unit is not reduced to less than that which is required for new construction in that district as prescribed by the most current edition of the Uniform Building Code; and
      (4)   The conversion is in compliance with all other relevant codes and ordinances.
   (B)   Temporary buildings. Temporary buildings, construction trailers, equipment, and materials used in conjunction with construction work only may be permitted in any district during the period construction work is in progress, but such temporary facilities shall be removed upon completion of the construction work. Storage of such facilities or equipment beyond the completion date of the project shall require a zoning permit authorized by the Administrator.
   (C)   Parking and storage of certain vehicles. Any automobile body which is not properly and currently licensed and is not in operating condition or has not been used for a period of six months or more, whether left on public or private property, and which is offensive to the sight of the community, neighborhood, or to persons passing by on a public thoroughfare, shall be considered as an attractive nuisance, and removed at the request of the City Council, the Commission, or city law enforcement official. If not removed, the city may remove same at the owner’s expense.
   (D)   Required trash areas. All trash and/or garbage collection areas for commercial, industrial, and multi-family residential uses shall be enclosed on at least three sides by a solid wall or fence of at least four feet in height or within an enclosed building or trash and/or garbage collection dumpster. Adequate vehicular access to and from such area or areas for collection of trash and/or garbage shall be required, as determined by the Administrator, and shall be provided.
   (E)   Architectural conformity.
      (1)   It is recognized that the existing structures found in Zones R-0 and GC have historical value and that it is in the best interest to preserve and maintain this historical setting. Therefore, all construction in Zones R-0 and GC will be of a nature that will blend with and not detract from the period architecture in these zones. Metal buildings of any nature in these zones are to be discouraged and prohibited unless designed in such a manner, so as to blend with existing structures.
(Prior Code, § 13-7-3) (Ord. 468, passed 4-15-1980)
§ 156.078 COMMERCIAL AND INDUSTRIAL USES.
   No land or building in any district shall be used or occupied in any manner creating dangerous, injurious, noxious, or otherwise objectionable conditions which could adversely affect the surrounding areas or adjoining premises, except that any use permitted by this chapter may be undertaken and maintained if acceptable measures and safeguards to reduce dangerous and objectionable conditions to acceptable limits as established by the following performance requirements.
   (A)   Fire hazards. Any activity involving the use or storage of flammable or explosive materials shall be protected by adequate firefighting and fire-prevention equipment. Such hazards shall be kept removed from adjacent activities to a distance which is compatible with the potential danger involved, as specified in the Uniform Fire Code as adopted by the state.
   (B)   Radioactivity or electrical disturbance. No activity shall emit harmful radioactivity at any point, or electrical disturbance adversely affecting the operation of any equipment at any point, other than that of the creator of such disturbance.
   (C)   Noise. Objectionable noise, as determined by the Administrator, which is due to volume, frequency, or beat shall be muffled or otherwise controlled. Air raid sirens and related apparatus used solely for public purposes are exempt from this requirement.
   (D)   Vibration. No vibration shall be permitted which is discernible without the use of vibration- detection instruments on any adjoining lot or property.
   (E)   Air pollution. Air pollution shall be subject to the requirements and regulations established by the health authority.
   (F)   Glare. No direct or reflected glare shall be permitted which is visible from any property outside a manufacturing district or from any street.
   (G)   Erosion. No erosion by human, wind, or water shall be permitted which will carry objectionable substances onto neighboring properties.
   (H)   Water pollution. Water pollution shall be subject to the requirements and regulations established by the health authority.
   (I)   Enforcement provisions. The Administrator, prior to giving zoning approval, may require the submission of statements and plans indicating the manner in which dangerous and objectionable elements involved in processing and in equipment operations are to be eliminated or reduced to acceptable limits and tolerances.
   (J)   Measurement procedures. Methods and procedures for the determination of the existence of any dangerous and objectionable elements shall conform to applicable standard measurement procedures published by the American Standards Institute, New York; the Manufacturing Chemists Association, Inc., Washington, D.C.; the United States Bureau of Mines, and the health authority.
(Prior Code, § 13-7-4) (Ord. 468, passed 4-15-1980) Penalty, see § 10.99
§ 156.079 UNIQUE LAND USES.
   Certain unique land uses pose special problems that may have detrimental influences on surrounding land uses. The following performance standards for such unique land uses shall be adhered to in addition to all other provisions of this chapter.
   (A)   Accessory buildings.
      (1)   Prohibited in front yard. Accessory buildings will not be located in any required front yard area.
      (2)   Setback from property line. Setbacks will not be located closer than five feet from any side or rear property line.
   (B)   Agriculture (buffer area). Agricultural and buffer areas will be maintained to minimize soil erosion, sedimentation, contamination, and nutrient enrichment of ground and surface water.
   (C)   Animal clinics, animal hospitals, veterinary offices, and kennels.
      (1)   Location.
         (a)   Animal clinics, animal hospitals, veterinary offices, and kennels will be located at least 300 feet from any residence, including motels and hotels, except for an owner’s residence.
         (b)   The Administrator may modify these requirements if the animals are completely housed in soundproof structures that completely screen them from view of the abutting residential property.
      (2)   Compliance with regulations. Animal clinics, animal hospitals, veterinary offices, and kennels will comply with all state and local regulations, relative to such an operation, and maintain adequate housekeeping practices designed to prevent the creation of a nuisance and to reduce to a minimum the factors of noise and odor.
   (D)   Bulk storage of flammable liquids and gases and explosive materials aboveground and for resale.
      (1)   Location. Bulk storage of flammable liquids and gases and explosive materials aboveground and for resale will be located at least 300 feet from a residential zone, a residence, motel, or hotel, except for the owner’s residence.
      (2)   Fire official approval. Bulk storage of flammable liquids and gases and explosive materials aboveground and for resale will be erected subject to the approval of the appropriate fire official.
      (3)   Off-street parking and loading. Bulk storage of flammable liquids and gases and explosive materials aboveground and for resale will have suitable loading and unloading spaces and off-street parking facilities, subject to the approval of the appropriate fire official.
   (E)   Chemicals, pesticide, and fertilizer storage and manufacturing. Chemical, pesticide, and fertilizer storage and manufacturing will have adequate fire protection, storage area, handling, and disposal, as approved by the appropriate fire official.
   (F)   Contractor’s yards (e.g., road, housing, anything with heavy equipment).
      (1)   Location. Contractor’s yards will be located a minimum distance of 300 feet from any residence, except for an owner’s residence.
      (2)   Screening. Contractor’s yards will have a screening fence around areas utilized for storage of equipment.
      (3)   Use limitations. Contractor’s yards will be limited to storage, maintenance, and processing incidental to contracting work. There shall be no general industrial or commercial uses.
   (G)   Drive-in restaurants.
      (1)   Enclosed on property line. Drive-in restaurants will be enclosed on the property line with landscaping and fencing, except for ingress and egress, to prevent trash from moving onto other properties.
      (2)   Sight-obscuring fence. Drive-in restaurants will have a six-foot high sight-obscuring fence along the property lines that adjoin a residence.
      (3)   Trash. Drive-in restaurants will provide for adequate trash receptacles.
      (4)   Lighting. Drive-in restaurants will avoid the direction of night lighting toward any residence.
   (H)   Filling, grading, lagooning, dredging, or other earth-moving activity.
      (1)   Exposure of bare ground. During filling, grading, lagooning, dredging, or other earth- moving activity, the smallest amount of bare ground shall be exposed for the shortest time feasible.
      (2)   Temporary ground cover. Filling, grading, lagooning, dredging, or other earth-moving activity will provide temporary ground cover, such as mulch.
      (3)   Methods to trap sediment. Filling, grading, lagooning, dredging, or other earth-moving activity will use diversions, silting basins, terraces, and other methods to trap sediment.
      (4)   Lagooning. Filling, grading, lagooning, dredging, or other earth-moving activity will provide lagooning in such a manner so as to avoid conditions which will create fish traps.
      (5)   Restriction prohibited. A floodway, channel, or natural drainageway shall not be restricted during filling, grading, lagooning, dredging, or other earth-moving activity.
      (6)   Prevent erosion or soil failure. Filling, grading, lagooning, dredging, or other earth-moving activity will construct and stabilize sides and the bottom of cuts, fills, channels, and artificial watercourses to prevent erosion or soil failure.
      (7)   Below-grade excavation. Below-grade excavation shall not occur except for drainageways within 50 feet of any lot line or public right-of-way.
      (8)   Restoration. Topsoil or loam will be restored to its existing natural condition.
   (I)   Home occupation.
      (1)   Employees. No more than one person other than members of the family residing on the premises shall be engaged in such occupation.
      (2)   Use of dwelling. The use of the dwelling unit for the home occupation shall be clearly incidental and subordinate to its use for residence purposes by its occupants, and not more than 25% of floor area of the dwelling unit shall be used to conduct the home occupation.
      (3)   Outside appearance; sign. There shall be no change in the outside appearance of the building or premises, or other visible evidence of the conduct of such home occupation, other than one sign, not exceeding four square feet in area, nonilluminated, and made of nonreflective materials and mounted flat against the wall of the principal building.
      (4)   Traffic; off-street parking. No significant traffic shall be generated by such home occupation, and any need for parking generated by the conduct of such home occupation shall meet the off-street parking requirements as specified in this chapter, and shall not be located in a required front yard.
      (5)   Prohibited equipment, processes.
         (a)   No equipment or process shall be used in such home occupation which creates noise, vibration, glare, fumes, odors, or electrical interferences detectable to normal senses off the lot, if the occupation is conducted in a single-family residence, or outside the dwelling unit if conducted in other than a single-family residence.
         (b)   In the case of electrical interference, no equipment or process shall be used which creates visual or audible interference in any radio or television receivers off the premises, or causes fluctuations in line voltage off the premises.
   (J)   Mobile home parks.
      (1)   Essential character of area. Mobile home parks will be designed, constructed, operated, and maintained so as to be harmonious and appropriate in appearance with the existing or intended character of the general vicinity and such use will not change the essential character of the same area.
      (2)   Future neighboring uses. Mobile home parks will not be hazardous or detrimental to existing or future neighboring uses.
      (3)   Essential public facilities and services. Mobile home parks will be served adequately by essential public facilities and services such as highways, streets, police and fire protection, drainage, refuse disposal, and schools, or the persons or agencies responsible for the establishment of the proposed park shall be able to provide adequately any such services.
      (4)   Consistent with intent and purpose. Mobile home parks will be consistent with the intent and purpose of this chapter and the city’s Comprehensive Plan.
      (5)   Vehicular approaches. Mobile home parks will have vehicular approaches to the property which shall be so designed as not to create an interference with traffic on surrounding public streets or roads.
      (6)   Natural, scenic, or historic features. Mobile home parks will not result in the destruction, loss, or damage of natural, scenic, or historic features of major importance.
      (7)   Health standards. Mobile home parks will meet the minimum health standards as set forth by the State Department of Health and Welfare.
   (K)   Outdoor storage of commercial and industrial materials.
      (1)   Screening. Outdoor storage of commercial and industrial materials will be screened from view from any existing adjoining residence or residentially zoned area, whether or not such property is separated by an alley or street.
      (2)   Location. Outdoor storage of commercial and industrial materials will not be located in any front yard setback area.
   (L)   Riding stables and schools.
      (1)   Location. Riding stables and schools will locate all stables or loafing sheds not nearer than ten feet from any residence, except for an owner’s residence. All facilities shall be set back a distance of 30 feet from any property line.
      (2)   Design. Riding stables and schools will be designed and located with full consideration being given to their proximity to adjacent uses, their effect upon adjacent uses, and their effect upon adjacent and surrounding properties as to the storage of horse trailers and the factors of noise and odor.
      (3)   Housekeeping practices. Riding stables and schools will require that the owner or operator of such use shall have a continuous obligation to maintain adequate housekeeping practices to prevent the creation of a nuisance.
   (M)   Outdoor rifle and pistol ranges.
      (1)   Backstop. Outdoor rifle and pistol ranges will be designed with a backstop.
      (2)   Line of fire. Outdoor rifle and pistol ranges will be designed to avoid a line of fire that is directed toward any residence or business within one mile.
      (3)   Landscaping. Outdoor rifle and pistol ranges will incorporate landscaping that is compatible with the surrounding landscaping.
      (4)   Supervision; security measures. Outdoor rifle and pistol ranges will provide supervision and security measures during periods of use.
(Prior Code, § 13-7-5) (Ord. 468, passed 4-15-1980) Penalty, see § 10.99
Cross-reference:
   Additional provisions for mobile home parks, see § 156.056(E)
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