The following amendments, additions, and/or deletions are to Section R-403 of the IRC: At a minimum, every other vertical reinforcement shall have a footing dowel or use engineer design per IRC code. The lap length at the top of the footing shall be adequate to develop the full tension capacity of the reinforcement. Footing design shall be based on minimum soil load bearing capacity of 1,500 psf. See IRC Table 403.1(1) to 403.1(3). Footings in accordance with the engineering design are acceptable if a geotechnical report including the soil load bearing capacity is provided for each lot. Section R-403.1.4, Minimum Depth. All exterior footings and foundation systems shall extend below the frost line. The bottom of all exterior footings shall be placed at thirty (30) inches below the finished grade. Exception: An exception to Section R-403.1.4 can be granted by the Director or designee for accessible access. Section R-403.1.6, "the maximum spacing of one-half (½) inch diameter anchor bolts is amended to be four (4) feet." Section R-403.2, titled "Footings for wood foundations" is deleted.