A.
Findings; procedures. The SPGA or, where there is no special permit required, the Planning Board shall review site plans for development prior to approval of application for building permits for all uses specified in § 5.1, Use regulations, and which involve six or more parking spaces; to make findings and determinations in regard to such cases in conformity with § 3.2 of this bylaw. In such cases, the permitted use shall be allowed only if the SPGA or, where there is no special permit required, the Planning Board makes a finding and determination that the placement of existing and proposed buildings, existing and proposed topography, structure, parking spaces, loading areas, driveway openings, driveways, service areas, other open uses, park or recreation area and screening, all facilities for water, sewage, refuse and other waste disposal and for surface water drainage, storm drainage and all landscape features (such as walks, fences, walls, planting areas and greenbelts) will constitute a suitable development and will not result in substantial detriment to the neighborhood.
B.
No building located in any district, except residential districts within 2,500 feet of the Rotary, or no building if involving six or more parking spaces shall be erected or externally enlarged, and no area for roadways, parking, loading or open space shall be established or changed on land developed under the provisions of this section except in conformity with a site plan bearing the endorsement of approval of the SPGA or, where there is no special permit required, the Planning Board. No certificate of zoning compliance shall be issued for any such building or buildings unless the same conforms in all respects to such site plan and unless all facilities included in the site plan have been built in accordance therewith.
C.
No building in any district, except in residential districts within 2,500 feet of the Rotary, shall be erected except as provided in § 3.6 of this bylaw. No building in any district, except residential districts within 2,500 feet of the Rotary, shall be externally altered except in conformance with design review approval prior to issuance of any required permits.
D.
Single- and two-family residential uses shall be exempt from this section. Buildings where external changes are not proposed are exempt from the provisions of this section.
E.
In addition to the requirements of this article, the procedures for review and approval of site plans shall be as provided in the Town of Westborough Site Plan Review Rules and Regulations adopted by the Planning Board July 16, 2019, as amended.