The jurisdiction shall fill in this part of the table with the seismic design category determined from Section R301.2.2.1.The outdoor design dry-bulb temperature shall be selected from the columns of 97 1/ 2-percent values for winter from Appendix D of theĭeviations from the Appendix D temperatures shall be permitted to reflect local climates or local weather experience as determined by the building official.Wind exposure category shall be determined on a site-specific basis in accordance with Section R301.2.1.4. The jurisdiction shall fill in this part of the table with the wind speed from the basic wind speed map.The jurisdiction shall fill in this part of the table to indicate the need for protection depending on whether there has been a history of local subterranean termite damage.The jurisdiction shall fill in the frost line depth column with the minimum depth of footing below finish grade. Where the frost line depth requires deeper footings than indicated in Figure R403.1(1), the frost line depth strength required for weathering shall govern.The grade of masonry units shall be determined from ASTM C34, C55, C62, C73, C90, C129, C145, C216 or C652. The weathering column shall be filled in with the weathering index, "negligible," "moderate" or "severe" for concrete as determined from Figure R301.2(4). Where weathering requires a higher strength concrete or grade of masonry than necessary to satisfy the structural requirements of this code, the frost line depth strength required for weathering shall govern.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |