1103.1007 Residential Standards.
   A.   The maximum number of dwelling units permitted shall not exceed the number of units permitted without the Planned Unit Development as determined by the underlying zoning district using net residential acreage (excepted as indicated in Table Note 2 below). The maximum number of dwelling units permitted in the Planned Unit Development shall be calculated by dividing the net residential acreage by the minimum lot area per dwelling unit as shown under Sec. 1106.0100. There shall be no right of approval to maximum density. For purposes of the calculation, net residential acreage equals 80 percent of the gross parcel acreage, and gross parcel acreage is the total parcel area excluding existing public rights-of-way. The maximum number of dwelling units permitted per gross acre according to this calculation is listed below for each zoning district.
   Zoning District Maximum Dwelling Units Per Gross Acre:
Zoning District
Units Per Gross Acre
Zoning District
Units Per Gross Acre
RS12
2.9
RS9
3.8
RS6
5.8
RD6
5.8
RM12¹
10
RM24¹
19
RM36¹
29
CN¹
8
CO¹
19
CS¹
19
CM¹ ²
49
CR¹
19
CD3
NA
 
   Table Notes
      1.   Calculations based on multi-dwelling density
      2.   A PUD in a CM district is eligible for Density Bonuses as described in Sec. 1106.0400
      3.   A PUD in a CD district must have at least two (2) amenities listed in Sec. 1106.0400.
   B.   Dwelling Units may be any single or combination of the following residential household living types: single family, zero lot line, attached house, or duplex. Multi-family units are only permitted in RM and C zoning districts.
   C.   No more than 40 percent of gross site acreage shall be devoted to coverage by buildings, structures, street pavement, driveway, and parking area pavement.
   D.   No less than 15 percent of the gross site acreage, none of which is part of any required yard or perimeter open space, shall be allocated to usable, accessible and consolidated common open space (per Sec. 1103.1010(E)) and may be allocated on a plat by plat basis (one-third of the required common open space may be a lake or pond or storm detention or retention area). This open space shall be delineated on the plat as a lettered lot.
   E.   An open space area void of buildings, structures, parking areas, or other above ground improvements except fencing shall be maintained along all perimeter property lines of the Planned Unit Development as follows:
      1.   When abutting a Residential district, the open space perimeter area shall be provided with a minimum depth equal to the required rear yard setback of the PUD's underlying zoning district;
      2.   When a residential area of a Planned Unit Development abuts a Commercial or Industrial district, an open space perimeter area shall be provided that has a minimum depth of 50 feet or 30 feet with fencing or screening.
   F.   Building height shall be in accordance with the underlying zoning.
   G.   There are no minimum lot size, lot-width, building or structure setback requirements except as provided in Sec. 1103.1007 (E).
   H.   Telephone, electrical, cable, and other utility appurtenances shall be buried and dumpsters shall be sufficiently screened.
(Ord. 202-08. Passed 4-8-08; Ord. 346-10. Passed 6-22-10.)