To exempt dwelling units facing detached garages or accessory buildings from the requirements of Sentence 9.10.15.4.(1), which would otherwise limit the area of glazed openings, if certain conditions are met, on the basis that detached garages and accessory buildings are considered an integral part of a dwelling unit and such structures are generally very small. There is insufficient risk, therefore, to require the spatial separation of a house from its garage or carport.