Municipal agency site plan review and approval shall be required of all development, construction, alteration, modification, reconstruction or change of use in this district. Excepted from this regulation shall be the development of single-family detached dwellings and the modification, expansion, alteration or expansion of existing residential uses not involving any change in use or uses conforming to the standards of § 114-12 and §§ 114-14 through 114-17, inclusive, Article XX and other provisions of this chapter, unless otherwise required.