For purposes of this Section:
(a) Wissahickon Historic District.
“Wissahickon Historic District” shall include the properties identified on the document attached as “Exhibit A”, and generally bounded by Ridge Avenue, Rochelle Avenue, Vicaris Street, and Hermit Street, to the ordinance that added this provision to the Code.
(b) Complete Demolition.
“Complete demolition” means removal of two thirds or more of the structural framing members when work involves the removal of any portion of the exterior wall.