Hart Road Lime Kiln Heritage Conservation Plan - Structural Review

settlement of the structure may be tolerable. If not, a Geotechnical Investigation could be undertaken to determine the bearing capacity of the existing foundations and subgrade.

Should all the portions of the structure be repaired back to their original condition, the structure would be sufficient to safely resist loads due to snow and wind, however the overall resistance to lateral seismic loads would be less than required by the current British Columbia Building Code (BCBC 2006). New construction of unreinforced masonry (URM) is not permitted by the current Code, however existing URM buildings may be reviewed and upgraded in accordance with the "Special Procedure for Evaluation of Unreinforced-Masonry Bearing-Wall Buildings" included in the National Research Council of Canada "Guidelines for Seismic Evaluation of Existing Buildings" (NRC Guidelines). The NRC Guidelines are specific to "standard" buildings and may not apply to this structure. If a complete re-build of the structure is considered, a detailed review could be performed, and an upgrading and strengthening program developed for the stone base and masonry chimney.