Within thirty (30) days after the public hearing required in Section 1111.08, the Board of Zoning Appeals shall either approve, approve with supplementary conditions as specified in Section 1111.07 or disapprove the request for appeal or variance. The Board of Zoning Appeals shall further make a finding that the reasons set forth in the application justify the granting of the variance that will make possible a reasonable use of the land, building or structure. Appeals from Board decision shall be made in the manner specified in Section 1105.04.