Ch 5 (flashcards)

Question 1

The ends of each floor joist, beam or girder shall have not less than _____ inches of bearing on wood or metal and not less than ______ inches of bearing on masonry or concrete.

Answer 1

1 1/2 inches (and) 3 inches

…except where supported on a 1”x4” ribbon strip and nailed to the adjacent stud or by the use of approved joist hangers. This is the same for rafters and ceiling joists.

R502.6 Bearing

Question 2

Notches in solid lumber joists, rafters and beams shall not exceed _____ of the depth, shall not be longer than ______ of the depth and shall not be located in the middle _____ of the span.

Answer 2

1/6 (and) 1/3 (and) 1/3

R502.8.1 Sawn lumber

Question 3

The tension side of floor joist members _____ inches or greater in nominal thickness shall not be notched except at the ends of the members.

Answer 3

4 inches

R502.8.1 Sawn lumber

Question 4

Where the header joist span does not exceed _____ feet, the header joist may be a single member the same size as the floor joist.

Answer 4

4 ft

Where the header joist span exceeds 4ft, the trimmer joists and header joist shall be doubled.

R502.10 Framing of openings

Question 5

The provisions of Section R505 Cold formed Steel Floor Framing shall control the construction of cold-formed steel floor framing for buildings not greater than _____ feet in length perpendicular to the joist span.

Answer 5

60 ft

R505.1.1 Applicability limits

Question 6

Flanges and lips of load-bearing cold formed steel floor framing members shall not be cut or ________.

Answer 6

notched

R505.3.5 Cutting and notching

Question 7

In cold-formed steel framing, floor cantilevers for the top floor of a two- or three-story building or the first floor of a one-story building shall not exceed ______ inches.

Answer 7

24 inches

R505.3.6 Floor cantilevers

Question 8

Concrete slab-on-ground floors shall be a minimum of _______ inches thick.

Answer 8

3 1/2 inches

R506.1 General