Ordinances-2003-260

ii. Should an additional change in grade be needed or required to complete the access beyond the right-of-way. Figure 7A shows desirable and suggested maximum grade changes to be used on the access. FIGURE 7A Guidelines for Grade Changes on Access  <table> <tr> <th>Access Type</th> <th colspan="2">Suggested Maximum Grade Change (D)</th> </tr> <tr> <th></th> <th>Desirable</th> <th>Maximum</th> </tr> <tr> <td>High Volume Access</td> <td>0%</td> <td>+3%</td> </tr> <tr> <td>Low/Medium Volume Access</td> <td>+3%</td> <td>+6%</td> </tr> <tr> <td>Low Volume Access</td> <td>+6%</td> <td>+15% Controlled Vehicle Clearance</td> </tr> </table> For grade changes more abrupt than those shown in Figure 7A, vertical curves at least 10 feet long should be used to connect tangents. For industrial access, vehicle clearances with respect to the access profile may become critical. The City of Tiffin City Council may require the use of vehicle templates to ensure proper clearance on the access. b. Drainage i. The proposed access must be constructed so that it does not adversely affect the prescribed roadway or drainage