A. Permitted uses are as follows:

(1) All uses permitted in the Conservation District.

(2) Dwelling on the premises for a night watchman or janitor.

(3) Cafeteria on the premises for use by employees and not for the general public.

B. Uses permitted up to fifty thousand (50,000) square feet are as follows:

(1) Newspaper, job printing and publishing.

(2) Office, bank, office building.

(3) Wholesale distribution and storage within a building other than a solid waste transfer station.

(4) Scientific research and development, including manufacturing, instruction and other activities clearly incidental thereto at the maximum density of three (3) employees per acre of lot and with a direct access to an arterial street, as defined by the Town of Southborough Planning Board.

C. Uses requiring a special permit are as follows:

(1) All uses permitted in Subsection B that exceed fifty thousand (50,000) square feet.

(2) Accessory apartment.

(3) Conversion of a one-family house in existence for two (2) years or longer to a two-family dwelling, on a lot with a minimum of fifteen thousand (15,000) square feet.

(4) Mobile home or travel trailer used as a dwelling or business quarters for more than thirty (30) days in a year.

(5) Multifamily housing for the elderly, owned by a public or nonprofit community housing organization.

(6) Boat livery, cemetery, children's camp, golf course, private nonprofit membership club, public utility, riding stable, ski tow.

(7) Hospital, nursing home, home for the aged.
(8) Private school nursery or kindergarten.

(9) Veterinarian, animal hospital, dog kennel.

(10) Private garage or parking for more than three (3) cars or more than one (1) truck or other commercial vehicle.

(11) Light manufacturing, fabrication, assembly and processing utilizing electric or other similar quiet motive power and processes and generating no adverse impacts on the neighborhood and properties therein.

(12) Hazardous waste storage and disposal facilities, other than small generators, as defined by the Environmental Protection Agency and the Commonwealth of Massachusetts, except that a special permit may be issued for such a facility upon approval by the appropriate federal and state agencies, review and comment by the Southborough Board of Health, Conservation Commission, Planning Board and Fire and Police Chiefs, following a duly advertised public hearing and in accordance with the Hazardous Waste Facilities Siting Law.

(13) Adult bookstore, adult video store, adult paraphernalia store, adult motion-picture theater, adult live entertainment (see § 174-91).

(14) Heliport or landing place for helicopter not including storage or maintenance facilities as an accessory use to a permitted principal use.

D. Prohibited uses. All uses which are not listed above, legally nonconforming or otherwise allowable by the provisions of the zoning regulations are prohibited.

E. Development standards are as follows:

(1) Minimum lot area: forty-three thousand five hundred thousand (43,560) square feet [minimum twenty thousand (20,000) square feet exclusive of wetlands].

(2) Minimum frontage: two hundred (200) feet.

(3) Minimum setbacks:

(a) Front: fifty (50) feet; seventy-five (75) feet if on Route 9.

(b) Rear: fifty (50) feet.

(c) Side: fifty (50) feet.

(d) Other street: fifty (50) feet.

(3) Maximum height: forty-five (45) feet, three (3) stories.

(5) Maximum floor area ratio: sixty-hundredths (.60).