Building Inspector Certification Exam
Questions and Correct Answers (Verified
Answers) 2026 Q&A
Building official approves R 104.9.1 -CORRECTANSWER Used material may be
utilized when
windows are not permitted in sprinklered dwelling unit exterior walls with a fire
separation distance of -CORRECTANSWER less than 3' IRC table R302.1.(2)
water front wind exposure -CORRECTANSWER 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 -CORRECTANSWER 6
what is the presumptive load-bearing capacity of silty gravel foundation material in
pounds psf?
IRC 401.4.1 -CORRECTANSWER 2000
,concrete footings can be designed and constructed in accordance with the provisions of
the xxxx standard.
R 403.1 -CORRECTANSWER 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 -CORRECTANSWER 27x9
What is the min. concrete footing width (in )and thickness (in) requirement for 1 story
slab on grade, light frame construction -CORRECTANSWER 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 -CORRECTANSWER 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? -CORRECTANSWER 10
Table R 404.1.1(1)
Plain Masonry Foundation walls.
nominal size of wood column?
R 407.3 -CORRECTANSWER 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) -CORRECTANSWER 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 -CORRECTANSWER 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 -CORRECTANSWER two No.8 woodscrews
Questions and Correct Answers (Verified
Answers) 2026 Q&A
Building official approves R 104.9.1 -CORRECTANSWER Used material may be
utilized when
windows are not permitted in sprinklered dwelling unit exterior walls with a fire
separation distance of -CORRECTANSWER less than 3' IRC table R302.1.(2)
water front wind exposure -CORRECTANSWER 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 -CORRECTANSWER 6
what is the presumptive load-bearing capacity of silty gravel foundation material in
pounds psf?
IRC 401.4.1 -CORRECTANSWER 2000
,concrete footings can be designed and constructed in accordance with the provisions of
the xxxx standard.
R 403.1 -CORRECTANSWER 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 -CORRECTANSWER 27x9
What is the min. concrete footing width (in )and thickness (in) requirement for 1 story
slab on grade, light frame construction -CORRECTANSWER 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 -CORRECTANSWER 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? -CORRECTANSWER 10
Table R 404.1.1(1)
Plain Masonry Foundation walls.
nominal size of wood column?
R 407.3 -CORRECTANSWER 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) -CORRECTANSWER 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 -CORRECTANSWER 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 -CORRECTANSWER two No.8 woodscrews
