Active recreational facilities shall be provided in a planned residential cluster development for the use and enjoyment of the residents of the planned development and their guests, which may consist of any of the following: swimming pools, clubhouse and meeting rooms, tennis and handball courts, jogging trails and bikeways, exercise areas and stations, children's play areas, picnic facilities, ball fields, gardening areas and off-site pedestrian systems. Such recreational facilities may be jointly provided by two or more developers within the R-90 Zone with convenient access to all users, provided that the area shall equal the collective active recreational requirements of the participating properties served. The location of such recreational facilities shall be carefully planned to provide privacy for the users and to avoid problems of noise, lighting and similar nuisances which might interfere with their use and enjoyment by residents of the development.