[Added 3-9-1978]
[Amended 7-10-2008 by L.L. No. 6-2008; 9-14-2023 by L.L. No. 4-2023]
In an Office Business OB-100 District, no building, structure or premises, in whole or in part, shall be used and no building or structure, in whole or in part, shall be erected, enlarged, structurally altered or moved except for the following purposes or as herein elsewhere specifically provided, together with the accessory uses specified in § 170-27:
A. 
Any use permitted in the Residence R80 District and subject to the limitations therein set forth.
B. 
Office buildings for business and professional use, including administrative, executive, engineering, accounting, scientific, research and development, educational, statistical and financial purposes, provided that such principal use involves no machinery or process which emits dust, smoke, odor, fumes, noise or vibration or causes other nuisance, except for sign applications not part of a larger site plan amendment or modification, are subject to site plan approval by the Planning Board, in accordance with § 170-114 of this chapter.
C. 
Municipal facilities.
No accessory uses shall be permitted in an Office Business OB-100 District other than the following:
A. 
Any accessory use as permitted in a Residence R80 District and subject to the limitations therein set forth.
B. 
Buildings and uses immediately and exclusively accessory to a principal office use, including the following:
(1) 
Clinics, cafeterias, banks, post offices, limited retail trade and service uses and recreation facilities, provided that all such accessory uses are designed and intended for the comfort, convenience and use of the occupants, employees and business visitors of the principal office use.
(2) 
Management training facilities, including dormitory accommodations for students.
(3) 
Facilities for the temporary accommodation of employees, visitors and guests of the principal office use.
(4) 
Living quarters for custodians or caretakers of the on-site facilities.
(5) 
Off-street parking and off-street loading space as required in Article X. Such space may be located either in surface parking lots or in parking garages.
(6) 
Storage and maintenance facilities.
(7) 
Central heating and power plants and other customary accessory utility services and facilities.
(8) 
Bus stops, including passenger shelters.
(9) 
Gatehouses and similar minor accessory structures.
(10) 
Signs, subject to the limitations in § 170-126 herein and in accordance with the provisions and procedures of Chapter 6 and as depicted on an approved site plan.
[Amended 7-10-2008 by L.L. No. 6-2008]
(11) 
Necessary exterior lighting.
The following dimensional standards and requirements shall apply with respect to office buildings and their permitted accessory uses in Office Business OB-100 Districts:
A. 
The minimum required lot area shall be 100 acres. A lot in an OB-100 District may be divided by a street or highway, public or private, on which the lot has frontage, provided that:
[Amended 4-18-1985]
(1) 
The portions of said lot would be contiguous if not divided by a street or highway.
(2) 
No principal building shall be located on any portion of said lot which contains less than 100 contiguous acres.
(3) 
If any such portion with a contiguous area of less than 100 acres is placed or retained in an ownership separate than that of the remainder of an OB-100 District lot, the zoning of said portion shall automatically change to the category of the most restrictive zoning district which it abuts.
B. 
The maximum percent of a lot to be occupied by principal buildings shall be 5% and by accessory buildings, 2%.
C. 
The minimum size of any front, side or rear yard shall be 500 feet for principal buildings.
D. 
Accessory uses and structures may be located in the required yard areas, provided that they are no closer than 100 feet from any street or any property in a residence district, except for permitted entry and exit drives and minor accessory structures and uses, such as necessary utility service facilities, bus stops and gatehouses, provided that such minor accessory structures and uses are shown on a site plan approved by the Planning Board. Except as permitted above, the one-hundred-foot minimum required yard setback area from street lines and residential property boundaries shall be maintained as a buffer area, either to be preserved in its natural state or to be landscaped in a manner to be approved by the Planning Board.
E. 
The maximum permitted building height for principal buildings shall be four stories but not over 55 feet, except as provided in § 170-47.
F. 
The maximum permitted building height for accessory structures which are located within 500 feet of any property boundary shall be two stories but not over 30 feet, and, for those located within 100 feet of any street or any property in a residence district, it shall be one story but not over 15 feet.
G. 
All vehicular access drives, other than for emergency vehicles, shall be permitted to connect only to through streets as shown on the Town Development Plan.