(A) Design and construction standards for two-family uses shall be as follows.
(1) Unit size. The size of dwelling units shall comply with the minimums established in § 212.08 (Minimum Floor Area per Dwelling Unit) of this title.
(2) Unit width. The minimum width of a dwelling unit within the R-4 Multiple-Family Residential District shall be 25 feet.
(3) Unit construction.
(a) Subdivision requests. Building elevations and floor plans shall be furnished with subdivision requests illustrating exterior building material and colors to demonstrate compliance with Chapter 212 (General Yard, Lot Area, and Building Requirements) of this title. Building floor plans shall identify the interior storage space within each unit.
(b) Decks or porches. Provision shall be made for possible decks, porches, or additions as part of the initial dwelling unit building plans. The unit lot shall be configured and sized to include decks or porches.
(c) Minimum overhang. In case of a gable roof, a minimum 12-inch soffit shall be required.
(d) Exterior building finish. The exterior of two-family dwelling units shall include a variation in building materials which are to be distributed throughout the building facades and coordinated into the architectural design of the structure to create an architecturally balanced appearance. In addition, two-family dwelling structures shall comply with the following requirements:
1. A minimum of 25% of the area of each building facade of a structure shall have an exterior finish of brick, stucco, and/or natural or artificial stone;
2. Except for brick, stucco, and/or natural or artificial stone, no single building facade shall have more than 75% of one type of exterior finish;
3. Except for brick, stucco, and/or natural or artificial stone, no two-family dwelling structure shall have more than 60% of all building facades of one type of exterior finish; and
4. For the purpose of this section:
a. The area of the building facade shall not include area devoted to windows, entrance doors, garage doors, or roof areas;
b. Variations in texture or style (i.e., lap siding versus shake shingle siding) shall be considered as different materials meeting the requirements of this section; and
c. Integral colored split face (rock face) concrete block or cement fiberboard shall not qualify for meeting the brick, stucco, and/or natural or artificial stone material requirements for any facade of a building facing a private drive or public right-of-way. If these materials are used to meet the brick, stucco, and/or natural or artificial stone material requirement for the other facades, the material shall extend the full width of the foundation adjacent at ground level.
(4) Garages.
(a) Each dwelling unit shall include an attached garage.
(b) Garages shall comply with the following minimum size standards:
1. For dwellings with basements. 440 square feet;
2. For dwellings without basements. 540 square feet; and
3. Width. Garages shall be a minimum of 20 feet in width.
(5) Storm shelter. In cases where dwelling units are constructed slab on grade, provisions shall be made to provide for storm protection as required by § 212.14 (Storm Shelter) of this title.
(6) Outside storage. Outside storage shall be allowed only in designated areas which are screened in accordance with Chapter 213 (Fencing, Screening, and Landscaping Requirements) of this title and under the ownership of the property owners’ association subject to other applicable provisions of this title.
(7) Utilities.
(a) Underground or exterior service. All utilities serving an R-3 Medium Density Residential District subdivision, including telephone, electricity, gas, and cable shall be installed underground. Exterior utility meters and/or fixtures shall be located in interior side or rear yards when possible and shall be screened from view of adjacent properties and the public right-of-way.
(b) Public utility service. Separate public utility services shall be provided to each unit unless exempted by the City Engineer.
(c) Water connection. Individual unit shutoff valves shall be provided.
(d) Sewer connection. Where more than 1 unit is served by a sanitary sewer service, all maintenance and cleaning shall be the responsibility of the property owners’ association or owners.
(8) Streets. All streets shall be public and shall comply with the design standards and specifications as governed by Chapter 170 (General Subdivision Regulations) of title XVII (Subdivision Regulations) of this code, except that the required right-of-way width may be reduced to 50 feet and the required street width reduced to 28 feet (back of curb to back of curb) by conditional use permit.
(9) Drives.
(a) Dead-end private driveways shall serve a maximum of 6 units per side.
(b) Private drives shall be under the ownership and control of the property owners’ association who shall be responsible for the maintenance, repair, and replacement of surfacing. Said association shall maintain a capital improvement program for the driveways under its ownership.
(c) Private drives must include plans and areas for snow storage.
(d) Private driveways shall be a minimum of 24 feet in width (back of curb to back of curb) and shall be posted as no parking zones on both sides of the driveway.
(10) Landscaping/screening/lighting. A detailed landscaping and lighting plan shall be provided and implemented pursuant to § 205.11 (Exterior Lighting) and Chapter 213 (Fencing, Screening, and Landscaping) both of this title. Said landscaping and screening shall address the following:
(a) All open areas of the development project which are not used or improved for required parking areas, drives or storage shall be landscaped with a combination of overstory trees, understory trees, shrubs, flowers, and ground cover materials;
(b) Landscaping at the boundary of the site adjoining another property and the immediate perimeter of the principal structure;
(c) Buffer yard landscaping for yards bordering major collector and arterial streets according to § 213.04(C) (Required Screening and Landscaping) of this title;
(d) All boulevards shall be sodded;
(e) Screening of designated outdoor storage areas; and
(f) All landscaped areas, including on-site traffic islands and all public right-of-way adjacent to the property (where access is allowed by the governmental jurisdiction), shall have an in-ground irrigation system with an automatic controller.
(Ord. 2011-06-07A, passed 6-7-2011)