Wherever a side or rear yard is adjacent to
a street, the standards for front yards shall apply.
District building height regulations shall not
apply to flagpoles, radio or television antennas, transmission towers,
cables, spires or cupolas, chimneys, elevator or stair bulkheads,
penthouses, parapet or railings, water tanks or cooling towers or
any similar structure which, in their aggregate coverage, occupy no
more than 10% of the roof area of the building.
Side yards for semidetached houses or townhouses
shall be required only at the end of the total structure.
Where a business adjoins or faces a residential
zone, minimum depth requirements (front, side or rear, as applicable)
for residential uses shall be provided. Such space shall be landscaped
and maintained as a permanent buffer.