§ 255-45.1.   NH Residential District. 
[Added 9-13-2011 by Ord. No. 11-1244, § 4]
In a NH Residential District, the following regulations shall apply:
   A.   A may be erected, altered or used and a or premises may be used for any one permitted in § 255-39C.
   B.    , and bulk requirements–single-family .
Regulation
Requirement
Regulation
Requirement
(minimum)
5,500 square feet
Width at (minimum)
50 feet
Front (minimum)
30 feet
Side , each (minimum)
10 feet
Rear (minimum)
25 feet
height (maximum)
35 feet
height (maximum)
20 feet
(maximum)
20% of total
(maximum)
35% of total
 
   C.    , and bulk requirements–for each unit of a and/or .
Regulation
Requirement
Regulation
Requirement
(minimum)
3,300 square feet
Width at (minimum)
30 feet
Front (minimum)
30 feet
Side , each (minimum)
10 feet
Rear (minimum))
25 feet
height (maximum)
35 feet
height (maximum)
20 feet
(maximum)
20% of total
(maximum)
35% of total
 
   D.   , , bulk, and general requirements - Multi-family Option. [Added 5-10-2016 by Ord. No. 16-1319]
      (1)   General Requirements.
         (a)   A Multi-family Option shall be permitted on a minimum of three acres. may include adjacent separated by a public or private .
         (b)   A Multi-family Option shall consist of a mixture of at least two of the following: , , and .
      (2)    , and bulk requirements.
Regulation
Minimum Requirement
Regulation
Minimum Requirement
3 acres
width
No minimum required
Front setback
5 feet*
Side setback
8 feet*
Rear setback
10 feet*
height (maximum)
35 feet
(maximum)
40%
Impervious Coverage (maximum)
60%
 
* In the case of a abutting on three sides, there shall be three front (abutting the ) and one side .
      (3)    . The maximum shall be 18 units/acre. shall be calculated based on the total .
      (4)   Parking.
         (a)   A minimum of 1.5 per unit shall be provided.
         (b)   The parking requirement may be met through a combination of driveways, garages, parking lots, and on-street parking within the .
      (5)   Administrative and Maintenance Office.
         (a)   An Administrative and Maintenance Office shall be permitted as an .
         (b)   Only one Administrative and Maintenance Office shall be permitted per Multi-family Option .
         (c)   An Administrative and Maintenance Office shall meet the setback and height requirements set forth in § 255-45.1.D.(2). The maximum footprint of an Administrative and Maintenance Office shall be 3000 square feet.
      (6)   Design requirements.
         (a)   General Standards.
            (i)   All shall be served by public water and sewer service.
            (ii)   All utility lines shall be placed underground, to the extent permitted by the utility supplier, from the edge of the to the place of service.
         (b)    design. The following provisions apply to additions to existing and to .
            (i)   The walls and fenestration of the shall be architecturally compatible with the style, materials, colors, and details of the .
            (ii)   The mass of a or shall be mitigated in a variety of ways, including the of projecting and recessed elements such as porches, windows, and roof dormers, to reduce their apparent overall bulk and volume, to enhance visual quality, and to contribute to human-scaled . Breaks in the facades and rooflines shall occur no less frequently than every 100 feet.
         (c)   Roof design.
            (i)   The roof shall be designed with either overhanging eaves, bargeboards, or cornices on all sides; or other architectural elements appropriate to the .
            (ii)   Roof material shall include fiberglass architectural shingles that resemble slate or wood, natural slate, shakes, shingle (either wood or asphalt composition), and metal formed to resemble “standing seams.”
            (iii)   Flat roofs shall be prohibited from the main massing of one-story .
            (iv)   Flat roofs may be used on of two or more stories. In these instances, all visibly exposed walls shall have parapet walls or articulated cornices that project horizontally from the vertical wall plane.
         (d)   Pedestrian accessibility standards.
            (i)   All must be placed to encourage continuous uninterrupted pedestrian accessways that link doorways.
            (ii)   Sidewalks with a minimum width of five feet shall be constructed along all frontages and across major access driveways.
            (iii)   Pedestrian crosswalks across public shall be designed with curb bump-outs to facilitate non-vehicular movement.
            (iv)   Crosswalks across public and major access driveways shall utilize material, color, or texture differentiated from the cartway, as well as signage and other pavement markings to alert drivers to pedestrians.
         (e)      .
            (i)   All new and renovations shall incorporate   , including sidewalks.
            (ii)   Site lighting (which excludes lighting) shall be installed along all pedestrian facilities, including sidewalks, internal walkways, stairways, etc. Site lighting shall be designed to shield the source of illumination and to prevent glare on adjacent residential properties. The illumination level of site lighting shall be no more than 0.3 footcandles measured either vertically or horizontally at a height of five feet above grade from adjacent residential properties.