Multifamily dwelling structures
1. A multifamily dwelling structure means a residential building designed for three (3) or more separate dwelling units enclosed within a single structure. Each dwelling or living unit shall be designed and constructed with a maximum of two (2) bedrooms.
2. A dwelling unit means a portion of a structure designed for the use of (or occupied by) one (1) family for living, cooking and sleeping purposes.
3. Each multifamily structure shall be provided with the necessary water supply and separate sewerage for sanitary and laundry facilities, all contained on the lot. All such systems shall be in conformance with the Rhode Island Department of Environmental Management Regulations currently in effect and all town regulations and standards. Where town, state and/or other standards are in conflict, the more restrictive standards shall prevail.
4. A site plan for a multifamily dwelling or dwellings of three (3) or more units shall be prepared by a registered architect or engineer and shall show the following, together with appropriate dimensions:
a. Proposed name of the development, name of developer and owner;
b. Lot layout by legal descriptions;
c. Names and addresses of applicant and designer of the plan;
d. Scale of plan; overall site: 1″ = 100′
Detailed plan of immediate area of development: 1″ = 20′;e. The topographic map shall show existing ground contours over the area proposed for development as follows: Minimum of 5′ contour intervals and spot elevations at appropriate locations to substantiate design features;
f. Boundary line of development indicated by a solid line, and the total acreage encompassed thereby; names of abutting property owners indicated;
g. Existing sewers, wells, water mains, drainage culverts and other underground facilities within the tract, indicating pipe sizes, grades, manholes and location;
h. Location, arrangement and dimensions of automobile parking spaces, width of aisles, width of bays, angle of parking;
i. Location and dimensions of vehicular drives, entrances, exits, acceleration and deceleration lanes; location and dimensions of pedestrian entrances, exits, walks and walkways;
j. Storm drainage system and sanitary sewage disposal systems as approved;
k. Location, height and materials of walls, fences and screen planting;
l. Lighting (exterior);
m. Ground cover, finished grades, slopes, banks and ditches;
n. Location and general exterior dimensions of principal and accessory buildings and signs;
o. The stages, if any, to be followed in the construction of the development;
p. The developer shall submit architectural floor plans and elevations of the principal building(s) for review of their general design and selection of exterior materials for the intended use and compatibility with the site and surrounding established uses.
5. The following minimum lot sizes shall be required for multifamily dwelling structures, whether contained in one (1) building or more than one (1) building on a single parcel:
3 dwelling units 200,000 square feet 4—10 dwelling units 400,000 square feet 11—15 dwelling units 600,000 square feet 16—20 dwelling units 800,000 square feet 21—25 dwelling units 1,000,000 square feet 26—30 dwelling units 1,200,000 square feet 31—35 dwelling units 1,400,000 square feet
More than thirty-five (35) dwellings units, one million four hundred thousand (1,400,000) square feet plus forty thousand (40,000) square feet for each dwelling unit.
Minimum lot width shall be three hundred (300) feet plus an additional ten (10) feet for each dwelling unit in excess of three (3).
In all other respects the district dimensional requirements for RR-120 districts as set forth in article III, section 1 shall apply, except where stricter requirements are imposed by subsection 6 of this section.
6. In areas where there is no public water and/or no public sewage system or where the water supply of the City of Providence might be adversely affected, the zoning board of review may require larger lot sizes or fewer dwelling units.
7. The zoning board of review may in any development of more than twenty (20) dwelling units require dedication of a portion of the premises as a park for residents of the dwelling units, such area to be not less than one (1) acre nor more than five (5) acres.
8. Buffer strip. A strip 100 feet in width or depth along side and rear lot lines shall be maintained as a landscape buffer strip.
9. Rubbish disposal. Each building shall be provided with an enclosed fireproof waste pen of sufficient size to accommodate all trash and waste stored on the premises. Waste pen and utility area shall be properly screened and buffered from all buildings and property lines. No trash shall be disposed of on the premises.
10. Offstreet parking facilities. Minimum offstreet parking shall be provided and maintained as follows:
a. Two (2) car spaces per dwelling unit (three hundred (300) sq. ft. per space, including access, egress and general circulation).
b. No parking shall be permitted within one hundred (100) feet of any boundary line or within the required minimum front yard.
11. Prohibition for certain groundwater table areas. Multi-dwelling structures are prohibited in any area where the groundwater table is within four (4) feet of the original ground surface or where an impervious layer is within six (6) feet of the original ground surface.