The /SR overlay zone applies to all property where /SR is indicated on the Eugene overlay zone map. In addition, the /SR overlay zone may be required by a refinement plan. Applications for development permits shall not be accepted by the city for development in a /SR overlay zone until the site review plan is approved according to the site review procedures in this land use code. The provisions of the /SR overlay zone supplement those of the applicable base zone or special area zone. Where the overlay zone and base zone or special area zone provisions conflict, the more restrictive requirement applies.