(a) When used as columns, wood posts in basements or cellars shall bear on concrete, masonry, or other suitable approved bases extending not less than three (3) inches above the finished floor.
(b) Exterior wood posts in permanent construction which do not have an approved preservative treatment or are not the heartwood of a durable species shall be supported at least six (6) inches above ground level on concrete, masonry, or other suitable approved bases or piers.
(c) Wood posts or columns shall not be used in crawl spaces or air spaces which are not paved with solid impervious material.
(d) Wood posts and columns shall be securely anchored top and bottom.
(e) Untreated wood columns or posts in basements or cellars built into masonry walls or partitions shall be exposed on at least two (2) sides.
(f) Column or post ends liable to be wet or damp shall be protected with a suitable preservative.