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<br /> <br /> <br />Edison Elementary <br />School elevated on <br />concrete structural <br />beams and columns, <br />Jefferson County, Ohio <br /> <br /> <br />,~ <br /> <br />.., <br /> <br />Edison Elementary School was constructed in 1961 on <br />reinforced concrete piles, with the finished floor approximately <br />12 feet above ground level (Figure A 14). The piles rest on <br />concrete footings approximately 4 feet below ground level. The <br />floor is constructed of prestressed concrete slabs. <br /> <br />This area of Jefferson County is susceptible to backwater <br />flooding from the Ohio River. The building's first floor is at the <br />500-year nood level, which approximates the March 1936 flood. <br />The entire structure is raised, with the exception of a storage <br />shed located below the finished floor. This shed is used to store <br />maintenance equipment, such as lawn mowers, which could <br />easily be removed prior to flooding. The school's heating and <br />cooling are supplied by individual electric room units, all above <br />the finished floor. A ramp leads from the ground level to the first <br />floor. Outside stairways also permit access to and from the <br />building. It is estimated that the school cost $500,000 to build, of <br />which $75,000 was for design and construction in an elevated <br />position. While the school property has flooded on several <br />occasions, the school itself has remained dry and unthreatened. <br /> <br />. <br /> <br />I"'W,Jl\ <br /> <br />41(.__,"" <br /> <br />Ramp leading to entrance. <br /> <br />Figure A14. School building elevated on concrete structural beams and columns <br /> <br />34 <br />