Unless otherwise provided in this ordinance, uses permitted in the HDR-A district shall conform to the following standards:

1.

Minimum initial tract size:

a.

Duplexes: One-fourth acre or 10,890 square feet.

b.

Cluster development, single-family attached and multi-family developments: Three acres; provided, however, the net minimum individual lot size shall not be less than 4,800 square feet for cluster developments or less than 2,460 square feet for single-family attached units.

2.

Maximum density per acre:

a.

Duplexes: Eight units per acre.

b.

Cluster development: Six units per acre.

c.

Single-family attached and multi-family developments: 12 units per acre.

3.

Minimum heated floor area per dwelling unit for duplexes: 1,250 square feet with a minimum building footprint of 850 square feet for two or more story dwellings; cluster development, single-family attached and multi-family developments—900 square feet for one-bedroom units; 1,000 square feet for two-bedroom units and 1,100 square feet for three-bedroom units.

4.

Minimum street frontage: 200 feet.

5.

Minimum lot width: 200 feet as measured at building line.

6.

Minimum front yard: 25 feet.

7.

Minimum side yard: 20 feet, except that the side yard for interior, attached units shall be zero.

8.

Minimum rear yard: 25 feet.

9.

Minimum distance between buildings:

a.

Front to front: 50 feet.

b.

Front or rear to side: 50 feet.

c.

Side to side: 20 feet.

10.

Maximum building height: 35 feet.

11.

Maximum number of units per building: Eight.

12.

Maximum lot coverage by impervious surface: 50%.

13.

Minimum common open space: Cluster development, single-family attached and multi-family developments shall preserve a minimum of 20 percent of the gross acreage common open space.

14.

Parking requirements: All single-family, attached, two-family (duplex) and cluster dwellings shall be provided with a paved driveway accommodating a minimum of two automobiles. No parking shall be permitted on the street.

15.

Buffer requirements: Any HDR-A development adjoining an LDR-A, LDR-B or LDR-C district or property identified on the future land use map as low density residential which proposes cluster, attached or duplex dwellings shall establish a minimum landscaped buffer of 30 feet along the common property boundary between the zoning districts in accordance with Section 604. Such buffer may be reduced to 20 feet, provided a landscaped, earthen berm with a minimum height of three feet is established.

16.

Ownership requirements: All of the land in single-family attached (townhouse and condominium) and cluster developments shall be owned initially by an individual, a corporation or other legal entity. Individual properties may be sold after a final plat has been approved by the City of Griffin Development Review Committee and recorded in the Office of the Superior Court Clerk of Spalding County. These developments shall also be subject to approval of restrictive homeowner's covenants providing for the maintenance of common open space, required stormwater management infrastructure, establishment and management of a homeowner's association.

17.

100-year Floodplain:No permanent structure shall be constructed within the boundary of the 100-year floodplain unless the structure meets minimum floodplain ordinance requirements as established in Chapter 50, Floods, of the Griffin Code of Ordinances.