In a Residence A-4 District as indicated by the Building Zone Map, no building or other structure shall be erected, altered or used, and no land shall be used or occupied for any purpose except for an elderly housing development, constructed by and under the jurisdiction of the Agawam Housing Authority, and the accessory uses incident thereto, including an administration and recreational building, and subject to the following restrictions:
A. 
The development shall be located on a lot containing not less than seven acres and containing not more than 16 family dwelling units per acre of lot area. Not more than 12 dwelling units may be constructed in each building.
B. 
Subdivision control will not apply except insofar as it applies to road construction, surface drainage and utilities.
C. 
No building shall be located nearer than 40 feet to the property line. There shall be a landscaped strip of not less than 15 feet in width appropriately planted with lawn, trees and shrubs adjacent and parallel to all property lines of the site.
D. 
No building shall be more than two stories in height, exclusive of the basement. The basement shall not contain any living quarters.
E. 
All stairways are to be contained within the building structure proper.
F. 
Each dwelling unit shall have access to not fewer than two egresses remote from each other and so arranged that to reach one egress it will not be necessary to pass through a common corridor or hallway which serves other egresses. The term "egress" is as defined in § 101.0 of the Department of Public Safety, Board of Standards, Building Code.
G. 
Parking space shall be provided at the rate of one space for each family dwelling unit. Each space shall contain a minimum of 200 square feet. If garage parking is to be located within the building, it must comply with the rules and regulations concerning construction of garages contained in Form FPR-4 of the Massachusetts Department of Public Safety, Board of Fire Prevention Regulations.
H. 
The balance of the lot not used for buildings, roadways, drives, streets or parking area shall be suitably planted and landscaped and maintained.
I. 
The plans for any such development shall be submitted to the Planning Board for its approval as to site layout, provisions for handling vehicular traffic flow, parking area and landscaping before a building permit is issued.