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-2- I b. Establishment of Official Flood Plain Zoninq Map. The . Official Flood Plain Zoning Map together with all explanatory materials thereon, and attached thereto is hereby adopted by reference and declared to be a part of this ordinance. The explanatory material shall include the Flood Insurance Study for the City of New Briqhton prepared by the Federal Insurance Administration dated March, 1978, the Flood Boundary and Floodway Maps and Flood Insurance Rate Maps therein and Flood Plain Information, Mississippi River and Rice Creek, Fridley and New Briqhton, Minnesota, United States Army Corps of Engineers, St. Paul District, November, 1971. Official Flood Plain Zoning Map shall be on file in the Office of the City Clerk and the Director of Community Development. , j , 1 I f f c. Requlatory Flood Protection Elevation. The Regulatory Flood Protection Elevation shall be an elevation no lower than one foot above the elevation of the regional flood plus any increases in flood elevation caused by encroachments on the flood plain. 1. The regulatory flood protection elevation within the Floodway and Flood Fringe Districts shall be established by adding one foot to the Base Flood Water Surface Elev- ations with Floodway listed in the Floodway Data Table contained in the Flood Insurance Study. Regulatory flood protection elevations between cross-sections shall be interpolated. 2. The regulatory flood protection elevation within the General Flood plain District shall be calculated by a qualified registered professional engineer in accord- ance with procedures in Section 17-110 d.3 of this Ordinance. d. Interpretation. t'1 1. In their interpretation and application, the provisions of this Ordinance shall be held to be minimum require- ments and shall be liberally construed in favor of the governing body and shall not be deemed a limitation or repeal of any other powers granted by State Statutes. i I i 1 J i I .. 2. The boundaries of the zoning districts shall be determined by scaling distances on the Official Flood Plain Zoning Map. Where interpretation is needed as to the exact location of the boundaries of the district as shown on the Official Flood Plain Zoning Map, as for example where there appears to be a conflict between a mapped boundary and actual field conditions, the Director of Community Development shall make the necessary inter- pretation based on elevations on the regional (lOO-year)