(a) Measurement. Side yard width shall be measured from the nearest side lot line to the building line.
(b) Open Porches. In a residential district, an open, uncovered porch or paved terrace may project into a required side yard, if a minimum of five (5) feet is maintained to any adjoining lot line.
(c) Architectural Features. Cornices, canopies, eaves, pilasters, sills or other architectural features may project into a side yard so long as the minimum side yard is maintained.