D Check exterior masonry periodically, especially brick or block veneer. Repair cracks to prevent toppling during an earthquake. Click the blue dots above for illustrations. F Add steel collar braces to chimneys. In new houses, use a lightweight flue system or a structural backup wall for chimney masonry.
H Fix loose roof tiles and properly anchor heavy roofing material on a strongly braced roof frame.
I Secure bookshelves to walls with screws or bolts. J Hang light fixtures and fans from electrical boxes that are securely fastened to ceiling joists. Add safety chains if necessary.