Framing & StructuralCâu 370 / 700
At the top and bottom of a residential stairway, a floor or landing is required. What is the MINIMUM dimension of that landing measured in the direction of travel?
a.36 inches
b.24 inches
c.30 inches
d.48 inches
Giải thích
A stairway landing must be at least 36 inches measured in the direction of travel, giving a safe place to pause and change direction. Twenty-four and thirty inches are too small, and 48 inches is more than the code minimum (though it may be provided).
Trích dẫn luật: 2025 CA Residential Code §R311.7.6Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
Câu hỏi liên quan cùng chủ đề
- CALCULATION: A stairway must rise a total of 112 inches from finished floor to finished floor. Using the 7-3/4 inch maximum riser height, what is the MINIMUM number of risers required?
- CALCULATION: A stair has 15 risers. Using a 10-inch tread depth, what is the total horizontal run of the flight (number of treads times tread depth)?
- CALCULATION: A roof area of 200 square feet is subject to a net wind uplift pressure of 15 pounds per square foot. What total uplift force must the connections in that area resist?
- For a circular (Type I) handrail, what is the required graspable cross-section?
- A required stair handrail must be continuous along the flight. How should the ends of the handrail be treated?
- On a stair with solid risers and treads less than 11 inches deep, a nosing is required. What projection range does the code specify for that nosing?
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