The open space districts established for the Town of Manchester include:
Table 23-1: Open Space Districts
District Name
Map Symbol
Open space
OS
A. 
Open Space (OS). The purpose of the OS District is to preserve and enhance the Town's open spaces and recreational areas by protecting these natural amenities and restricting development that would not respect these environmentally sensitive areas and would not conform to the Town of Manchester Comprehensive Plan. Open Space Districts are intended to apply to private and publicly owned or accessible parks, squares, recreational areas, natural wildlife areas, creeks or streams, and cemeteries.
A. 
Uses identified with "P" in Table 23-2 are permitted in the subject zoning district, subject to compliance with all other applicable standards of this zoning law.
B. 
Uses identified with "SUP" in Table 23-2 may be allowed if reviewed and approved in accordance with the special use permit procedures contained in Article 64.
C. 
Uses not listed and those identified with "–" are prohibited.
Table 23-2: District Uses
OS
Additional Regulations
Natural/environmental
Botanical garden, arboretum, or conservatory
P
—
Natural wildlife or open space area
P
—
Recreational
Band shell or outdoor theater, not including drive-in theater
SUP
—
Campground
SUP
§ 325-40.10
Golf course
SUP
—
Gun range
SUP
—
Park or playground
P
—
Recreation facility, outdoor
P
§ 325-40.25
Other
Cemetery
P
—
Community center or informational facility
P
—
Cultural facility, such as a museum or observatory
P
—
Essential services
SUP
—
Parking area or lot, as principal use
SUP
Article 51
Religious institution
P
—
Tier 3 solar energy collection system
SUP
§ 325-40.33
ACCESSORY
Accessory structure or use
P
§ 325-40.2
Outdoor lighting, for nighttime use
SUP
Article 55
Parking area or lot
P
Article 51
Pond
P
§ 325-40.28
Retail, concessions, or service stand
P
—
Tier 1 or 2 solar energy collection system
P
§ 325-40.33
A. 
In addition to the requirements within Article 23, the requirements of Part 5, Development Standards, of this chapter shall apply to the open space districts within the Town.
B. 
Uses may be subject to site plan review in accordance with § 325-62.2.
The following requirements shall apply to principal and accessory structures and uses in the open space districts within the Town. Paved surfaces, such as driveways and parking spaces, shall not be subject to the requirements of Table 23-3, but shall conform to the requirements of Article 51.
Table 23-3: Lot, Area, and Setback Requirements
OS
Minimum lot size
—
Minimum lot width
—
Minimum setback
35 feet
Minimum side setback
Principal structure or use
50 feet
Accessory structure or use
20 feet
Minimum rear setback
Principal structure or use
50 feet
Accessory structure or use
20 feet
The following requirements shall apply to the open space districts within the Town.
Table 23-4: Dimensional and Bulk Requirements
OS
Maximum building height
Principal structure
30 feet
Accessory structure
15 feet
Maximum lot coverage
Gross impervious surface and structures
15%
Minimum reserved open space1
Green space, park land, or landscaped area
35%
NOTES:
(1)
These areas shall consist of, to the maximum extent possible, retention of existing natural site vegetation, as well as landscaping. Impermeable surfaces, retention ponds and facilities may not be included in the green space calculation.