# Notches and Bores Flashcards

1
Q

An exterior or load-bearing Stud can be notched up to what percentage?

A

25%

2
Q

A non load-bearing Stud can be notched up to what percentage?

A

40%

3
Q

What is the maximum length and depth a joist can be notched?

A

A length of 1/3 and a depth of 1/6 the width of the joist.

4
Q

What part of a joist can not be notched?

A

The middle third.

5
Q

How much can a joist be notched on the ends?

A

1/4 the width of the joist.

6
Q

Missing wood fibers in the middle third of the span are the same as what?

A

A notch.

7
Q

An interior load-bearing Stud can be Bored up to what percentage?

A

40%

8
Q

What percentage of an interior non load-bearing Stud be bored?

A

60%

9
Q

How close to the top and bottom of a joist can a bore be?

A

Within 2-inches.

10
Q

The max bore size in a joist is what?

A

1/3 the width of the joist or D/3

11
Q

A bore should be how far from a notch?

A

A minimum of 2-inches.

12
Q

Bores should be a minimum of what from the edge of a stud?

A

⅝ -inches.

13
Q

If doubled, an exterior or load-bearing partitions stud can be bored up to what percentage?

A

40% to 60%

14
Q

How many consecutive studs can be bored 40-60% if the studs are doubled?

A

No more than 2.

15
Q

A bore cannot be located in the same section as what?

A

A cut or notch.

16
Q

The minimum required bearing for wood framing resting on wood or in a hanger is what?

A

1-½ -inches

17
Q

The minimum required bearing on concrete is what?

A

3-inches.

18
Q

A cut in a joist should be treated as what?

A

A notch.

19
Q

Ledger boards should have a minimum measurement of?

A

2x2

20
Q

Two opposing notches are permitted in the outer thirds if they don’t do this when added together?

A

Exceed the limits for a single notch

21
Q

A notch not exceeding D/3 is permitted in the top of a rafter or ceiling joist if it is within what?

A

The joist/rafter’s depth from the face of the support.

22
Q

An over-cut in a notch does what?

A

Adds to the notches depth.

23
Q

Beams over 4-inch nominal must not be notched on which side?

A

The tension side.

24
Q

The percentage of a top plate that may be cut out for plumbing and reinforced with a 16-gauge steel plate is what?

A

50%.

25
Q

Should the corners of a notch be cut square or at an angle?

A

At an angle.

26
Q

Angled corners in a notche help prevent what from forming?

A

Cracks