A. Overlay District Requirements: Properties within a Z4 Overlay District as described below shall conform in all respects to the requirements of the Z4 Multi-Use District and all other requirements of this title, except as modified by this section.
B. Z4 Corridor Overlay District Established:
1. Properties: The Z4 Corridor Overlay District shall consist of the properties zoned Z4 Multi-Use District as follows:
a. All property zoned Z4 with frontage on North Federal Avenue/U.S. 65.
b. All property zoned Z4 with frontage on South Federal Avenue, between 6th Street SE/SW and 15th Street SE/SW.
c. All property zoned Z4 with frontage on the east side of South Federal Avenue zoned Z4, between 15th Street SE and 22nd Street SE.
d. All property zoned Z4 with frontage on 5th Street SE/SW, (IA 122 westbound), between South Jefferson Avenue and South Pennsylvania Avenue.
e. All property zoned Z4 with frontage on 6th Street SE/SW (IA 122 eastbound), between South Jefferson Avenue and South Pennsylvania Avenue.
f. All properties zoned Z4 with frontage on the following streets, located between 5th Street SE/SW and 6th Street SE/SW:
(1) Both sides of South Jefferson Avenue;
(2) Both sides of South Adams Avenue;
(3) Both sides of South President Avenue;
(4) Both sides of South Washington Avenue;
(5) Both sides of South Federal Avenue;
(6) Both sides of South Delaware Avenue;
(7) The west side of South Pennsylvania Avenue.
g. All properties zoned Z4 on the south side of 4th Street SE/SW, between South Jefferson Avenue and South Pennsylvania Avenue.
2. Setback Requirements: Principal building, principal front setback: Zero feet (0') minimum; twenty feet (20') maximum.
3. Parking And Landscaping:
a. Parking lots within the Z4 Corridor Overlay District shall be paved with a hard and durable dustless surface and shall provide for stormwater drainage according to City engineering standards. Permeable non-aggregate surfaces are permitted.
b. Parking shall be allowed in any portion of the second or third tier. Parking shall not be allowed in the first tier; however, a parking lot may be located within the first tier if it is located on an adjacent lot or on the same lot as the principal building it serves, where the building has a front yard setback of ten feet (10') or less, and the parking lot is located to the side of the building.
c. Notwithstanding the parking lot setback requirements of section 12-8-5, table 4 of this title, a parking lot adjacent to a public sidewalk or street shall have a minimum setback of three feet (3'); however, this minimum shall be increased as necessary to provide adequate space to meet the landscaping requirements of this section.
d. Notwithstanding the requirements of subsection 12-16-5I4 of this title, a parking lot adjacent to a public sidewalk or street shall be screened along the entire perimeter of the parking lot where it is adjacent to the sidewalk or street, as follows:
(1) A continuous shrub border or hedge, no less than three feet (3') and no more than four feet (4') in height comprised of deciduous and/or evergreen shrubs; or
(2) A decorative barrier consisting of a metal railing system with masonry columns no taller than four feet (4') in height; a solid masonry wall no taller than four feet (4') in height; or similar architectural barrier consisting of permanent and durable materials as approved by the Development Review Committee; or
(3) Any combination of existing or proposed landscaping, decorative barrier, and architectural elements.
(4) Parking lot screening shall be approved by the Development Review Committee and shall:
(A) Create a barrier between the parking lot and the sidewalk; and
(B) Create a pedestrian way on the sidewalk, protected from vehicles in the parking lot; and
(C) Screen the parking lot from view of the street and sidewalk; and
(D) Screen headlight glare from adjacent streets and properties; and
(E) Preserve walkability, pedestrian access, and pedestrian safety to and within the site and within the neighborhood.
C. Z4 South Federal Gateway Overlay District:
1. Properties: The Z4 South Federal Gateway Overlay District shall consist of properties zoned Z4 Multi-Use District with frontage on South Federal Avenue, located between the centerline of 27th Street SW extended east across South Federal Avenue to the Union Pacific Railroad right-of-way, and the south City limits (which is also the north right-of-way line of U.S. 18/IA 27).
2. Forms And Functions: Notwithstanding the forms and functions allowed in the Z4 Multi-Use District as listed in section 12-8-3, table 2, "Zoning Form And Function Table", of this title the following forms and functions shall be permitted only as conditional uses in the Z4 South Federal Gateway Overlay District, subject to approval by the Zoning Board of Adjustment, according to section 12-5-5 of this title:
a. Any outdoor storage accessory to any permitted or conditional form or function allowed in the Z4 District, including seasonal storage and seasonal outdoor sales.
b. Self storage.
c. Cross docking facilities.
3. Setback Requirements: Notwithstanding the setback requirements in subsections 12-12-9D and E of this chapter, development, redevelopment, or establishment of a form or function allowed under subsection C2 of this section shall be subject to the following:
a. Principal Buildings:
(1) Principal front setback: Minimum eighty five feet (85'), no maximum.
(2) Secondary front setback: Minimum thirty feet (30'), no maximum.
b. Accessory Buildings: Accessory buildings shall be subject to the same setback requirements as a principal building.
4. Parking And Access:
a. A maximum of one access per frontage shall be allowed. Whenever possible, access to any development shall be from frontage roads, rear access ("backage") roads, or from side streets other than South Federal Avenue.
b. Parking lots shall be paved with a hard and durable, dustless surface and shall provide for stormwater drainage according to City engineering standards. Permeable non-aggregate surfaces are permitted. However, parking areas dedicated to commercial vehicle storage or other storage may utilize gravel or similar aggregate material, provided that such outdoor storage areas are located and screened according to the requirements of this section.
5. Building Design Requirements: In addition to the requirements of subsection 12-12-6D of this chapter, any side of any building facing a principal or secondary frontage shall:
a. Be finished with high quality materials, including natural materials such as brick, stone, wood, or architectural metals.
b. Vertical-seamed metal siding shall not be allowed on any facade facing a principal or secondary frontage; however, the Development Review Committee may permit an architectural metal siding treatment, provided that seams, if visible, are flush with the wall surface or otherwise concealed, and hardware for joining panels is not visible.
6. Landscaping: All development shall, at minimum, meet the requirements of section 12-16-5 of this title; however, the Development Review Committee or the Zoning Board of Adjustment, as applicable, may require additional landscaping as necessary to ensure:
a. All non-residential forms and functions are screened from view of adjacent streets, sidewalks and residential forms and functions;
b. Parking lots do not cause drainage issues;
c. The "heat island" effect is minimized; and
d. The South Federal Gateway is an attractive entrance to the City.
7. Signs: All signs shall conform to the requirements of chapter 20 of this title, except off-premises signs are prohibited.
8. Additional Standards Of Review: In addition to the standards of review for a conditional use, as outlined in subsection 12-5-5D of this title, the Zoning Board of Adjustment shall consider the following before approving a conditional use in the Z4 South Federal Gateway Overlay District:
a. The arrangement of buildings, parking areas, outdoor storage areas, fences, landscaping, signs, and any other structure shall conform to one or more of the design guidelines outlined in appendix A to the comprehensive plan.
b. Development shall result in an attractive gateway to the community from the Avenue of the Saints (U.S. 18/IA 27). (Ord. 18-9, 10-2-2018)