Building Inspector Exam – Construction and Safety – 2026 – Study and
Practice Guide
Building official approves R 104.9.1 - correct answer ✔✔ Used material may be utilized when
windows are not permitted in sprinklered dwelling unit exterior walls with a fire separation
distance of - correct answer ✔✔ less than 3' IRC table R302.1.(2)
water front wind exposure - correct answer ✔✔ D
R30x?
Final grade must fall a min. of xxxx i. within 10ft of a dwelling, except where drains or swales are
provided.
IRC section 401.3 - correct answer ✔✔ 6
what is the presumptive load-bearing capacity of silty gravel foundation material in pounds psf?
IRC 401.4.1 - correct answer ✔✔ 2000
concrete footings can be designed and constructed in accordance with the provisions of the
xxxx standard.
R 403.1 - correct answer ✔✔ ACI 332
,What is the min. concrete footing width (in )and thickness (in) requirement for a 2 story wood
framed dwelling with brick veneer and a basement built on soil, with a load-bearing capacity of
1500 pounds per square foot and a 30 psf snow load?
R403.1 - correct answer ✔✔ 27x9
What is the min. concrete footing width (in )and thickness (in) requirement for 1 story slab on
grade, light frame construction - correct answer ✔✔ 12x6
Table R403.1 (1)
Min. width and thickness for concrete footing for light frame construction
Given: A single family dwelling is proposed using masonry veneer for the walls and a crawlspace
foundation.
What is the min. distance that the foundation wall must extend above the grade, in inches?
R404.1.6 - correct answer ✔✔ 4"
Given: A plain masonry foundation wall for a single-family dwelling is 8ft. Tall and has an
unbalanced backfill height of 5' 6in. GW soil is encountered and Seismic Design Category C is
assumed.
What is the min. required thickness in inches of the foundation
wall in accordance with the code's prescriptive requirements? - correct answer ✔✔ 10
Table R 404.1.1(1)
Plain Masonry Foundation walls.
nominal size of wood column?
R 407.3 - correct answer ✔✔ 4x4
, min. concrete footing width and thickness req. for a 2story wood framed dwelling slab on grade
built on soil with a load bearing capacity of 2500 pounds psf and a 20 psf snow load? (R403.1) -
correct answer ✔✔ 12x6
Prior to applying dampproofing, masonry walls shall have not less than ----in. portland cement
parging applied to the exterior of the wall.
R406.1 - correct answer ✔✔ 3/8"
wood decking for exterior decks shall be attached to each supporting member with not less
than two 8d threaded nails or ----
R507.7 - correct answer ✔✔ two No.8 woodscrews
Cutting and notching of engineered wood products
R502.8.2 - correct answer ✔✔ is permitted when recommended by the manufacturer.
Mn. Thickness for a concrete slab on ground floor for a two family dwelling is ----in. (R506.1) -
correct answer ✔✔ 3.5"
3.5" - correct answer ✔✔ The min. thickness for a concrete slab on ground floor for a two
family dwelling R506.1
18x24 - correct answer ✔✔ access openings to under floor spaces located in a floor must be a
min. of (r 408.4)
one-fourth - correct answer ✔✔ solid lumber joists may not have notches at the end of the
member that are less than xxx of the joist's depth[R502.8.1]
Practice Guide
Building official approves R 104.9.1 - correct answer ✔✔ Used material may be utilized when
windows are not permitted in sprinklered dwelling unit exterior walls with a fire separation
distance of - correct answer ✔✔ less than 3' IRC table R302.1.(2)
water front wind exposure - correct answer ✔✔ D
R30x?
Final grade must fall a min. of xxxx i. within 10ft of a dwelling, except where drains or swales are
provided.
IRC section 401.3 - correct answer ✔✔ 6
what is the presumptive load-bearing capacity of silty gravel foundation material in pounds psf?
IRC 401.4.1 - correct answer ✔✔ 2000
concrete footings can be designed and constructed in accordance with the provisions of the
xxxx standard.
R 403.1 - correct answer ✔✔ ACI 332
,What is the min. concrete footing width (in )and thickness (in) requirement for a 2 story wood
framed dwelling with brick veneer and a basement built on soil, with a load-bearing capacity of
1500 pounds per square foot and a 30 psf snow load?
R403.1 - correct answer ✔✔ 27x9
What is the min. concrete footing width (in )and thickness (in) requirement for 1 story slab on
grade, light frame construction - correct answer ✔✔ 12x6
Table R403.1 (1)
Min. width and thickness for concrete footing for light frame construction
Given: A single family dwelling is proposed using masonry veneer for the walls and a crawlspace
foundation.
What is the min. distance that the foundation wall must extend above the grade, in inches?
R404.1.6 - correct answer ✔✔ 4"
Given: A plain masonry foundation wall for a single-family dwelling is 8ft. Tall and has an
unbalanced backfill height of 5' 6in. GW soil is encountered and Seismic Design Category C is
assumed.
What is the min. required thickness in inches of the foundation
wall in accordance with the code's prescriptive requirements? - correct answer ✔✔ 10
Table R 404.1.1(1)
Plain Masonry Foundation walls.
nominal size of wood column?
R 407.3 - correct answer ✔✔ 4x4
, min. concrete footing width and thickness req. for a 2story wood framed dwelling slab on grade
built on soil with a load bearing capacity of 2500 pounds psf and a 20 psf snow load? (R403.1) -
correct answer ✔✔ 12x6
Prior to applying dampproofing, masonry walls shall have not less than ----in. portland cement
parging applied to the exterior of the wall.
R406.1 - correct answer ✔✔ 3/8"
wood decking for exterior decks shall be attached to each supporting member with not less
than two 8d threaded nails or ----
R507.7 - correct answer ✔✔ two No.8 woodscrews
Cutting and notching of engineered wood products
R502.8.2 - correct answer ✔✔ is permitted when recommended by the manufacturer.
Mn. Thickness for a concrete slab on ground floor for a two family dwelling is ----in. (R506.1) -
correct answer ✔✔ 3.5"
3.5" - correct answer ✔✔ The min. thickness for a concrete slab on ground floor for a two
family dwelling R506.1
18x24 - correct answer ✔✔ access openings to under floor spaces located in a floor must be a
min. of (r 408.4)
one-fourth - correct answer ✔✔ solid lumber joists may not have notches at the end of the
member that are less than xxx of the joist's depth[R502.8.1]
