For all Commercial Districts mapped within, or with a residential equivalent of, an R9 or R10 District, or Commercial Districts where the floor area ratio for commercial uses is greater than 10.0, the applicable ground floor level streetscape provisions of this Chapter shall apply, except that for ground floor level street frontages on wide streets, the alternative provisions for Tier B street frontages set forth in Section 32-322 shall not apply. However, the provisions of this Section shall not apply within any Special Purpose District.