Wall Construction

Question 1

Studs should be a minimum ____, ______ or _______?

Answer 1

3
standard
stud grade lumber

Question 2

End joints in top plates shall be offset not less than _______.

Answer 2

24”

Question 3

When using a single top plate rafters or joists shall be centered over the studs with a tolerance of not more than _____.

Answer 3

1”

Question 4

Where joists, trusses or rafters are spaced more than 16” on center and the bearing studs below are spaced 24” on center, such members shall bear within ______ of the studs beneath. Unless the top plates are _______, two _____, a third _____ is installed or solid blocking equal in size to the studs is installed to reinforce the double top plate.

Answer 4

5”
2x6
3”x4”
top plate

Question 5

Any stud in an exterior wall or bearing partition shall be permitted to be cut or notched to a depth not exceeding _______ of its width.

Answer 5

25 percent

Question 6

Studs in nonbearing partitions shall be permitted to be notched to a depth not to exceed _____ of a single stud width.

Answer 6

40 percent

Question 7

How close can a stud be drilled to its edge?

Answer 7

No closer than 5/8”.

Question 8

How large of a hole can be drilled or bored in a stud?

Answer 8

Up to 60 percent of the stud width.

Question 9

Exterior walls and partition studs drilled over 40 percent and up to 60 percent shall be _________ with not more than ______ successive doubled studs bored.

Answer 9

doubled
two

Question 10

What do you do if a top plate at an exterior or interior bearing wall is cut, drilled or notched more than 50 percent of its width.

Answer 10

Add a minimum 1 1/2” 16 gauged strap that has 8 nails at each side and extends past opening 6”. (Unless entire side of wall with notch is sheathed.

Question 11

Can bored holes be in the same cross plane as cuts or notches in studs?

Answer 11

No