Z-20-00294 VARIANCE(S)  Zoning District:  R-B  Low Density Residential  The application of Georgia Benevides, Applicant, relative to property located at 266 COLONIAL LN, legal description on file, is described below.  A request for a flood plain variance for this historically designated house in order to construct the proposed addition with a finished floor elevation of 5.43 feet North American Vertical Datum ("NAVD") in lieu of the 7 foot NAVD required when construction exceeds 50% of the market value of the residence. The following other variances are being requested:   1. Section 134-893 (7): To allow a new 187 square foot one story addition to the west side of the residence and change the existing flat roof of that portion of the house to a higher pitched roof that will require a variance to have a 5.1 foot west side yard setback in lieu of the 12.5 foot minimum required in the R-B Zoning District.  2. Section 134-893 (9): To raise the height of the existing house in the rear from a flat roof to a pitched roof that will raise the height in a setback that is currently 2.5 feet in lieu of the 10 foot minimum required in the R-B Zoning District.  3. Section 134-2179: To convert a one car garage into living space which requires a variance to remove a required garage enclosure.  [Applicant's Representative:  Maura Ziska Esq] [Landmarks Preservation Commission Recommendation:  Implementation of the proposed variances will not cause negative architectural impact to the historically significant building.  Carried 7-0.]  [The Landmarks Preservation Commission approved the project.  Carried 6-1.]