Framing & StructuralCâu 405 / 700
Guards are required on a residential deck when the walking surface is located more than what height above the grade or surface below?
a.12 inches
b.18 inches
c.24 inches
d.30 inches
Giải thích
A guard is required where the deck walking surface is more than 30 inches above the grade or floor below, measured within a set horizontal distance. 12, 18, and 24 inches are all below the threshold that triggers a required guard.
Trích dẫn luật: 2025 CA Residential Code §R507.9Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- When anchoring wood ledgers or sill plates to masonry or concrete in a seismic design category, which fastener detail is MOST important for load transfer?
- On a residential stairway, the MAXIMUM allowable variation between the largest and smallest riser height within a single flight is generally limited to what value?
- Behind exterior cement plaster (stucco) on a wood-framed wall, the code generally requires how many layers of an approved water-resistive barrier over the sheathing?
- Under conventional framing rules, deep solid-sawn floor joists (such as nominal 2x10 or 2x12) generally require blocking or bridging installed at intervals not exceeding what maximum spacing?
- In a wood-framed dwelling, fireblocking must be installed in concealed stud wall cavities at the ceiling and floor levels and, along the horizontal run, at intervals not exceeding what distance?
- When nailing wood structural panel subflooring or wall sheathing by hand, what is the typical fastener spacing required at the supported panel edges and at intermediate (field) supports?
Cập nhật gần nhất: · quy trình kiểm tra
Đội Ngũ Biên Tập PrepPass · Đối chiếu với California CSLB General Building (B) Trade Examination · Quy trình kiểm tra