(A) With regard to lots or parcels abutting a street or streets upon which there has been a deter-mination by the City Council that only a portion of the required street width has been acquired, the City Council shall determine the precise required street width and shall adopt the same as a mapped street by amendment to the general plan, or by adoption of a special plan and thereafter such alignment shall be the basis for the establishment of a building line and building setback area in accordance with § 23.70.020 hereof.
(B) When such mapped street has been so estab-lished, no person shall construct, install or maintain any structure or building in the area of such mapped street or in the building setback area of any lot or parcel abutting such mapped street, except as herein-after provided.
('86 Code, § 23.70.040) (Ord. 4110, passed - - ) Penalty, see § 1.12.010