AND ANSWERS
Headers in floor and ceiling opennings shall be doubled when the header span exceeds - CORRECT
ANSWER✅✅4 feet
What is the maximum height above grade that a deck can be built with out a guardrail ? - CORRECT
ANSWER✅✅30 inches
deck can guardrail ? Shiplap pine siding must have a minimum of inches of " clearance between the
siding and the earth ? - CORRECT ANSWER✅✅6 "
On a concrete foundation , spruce sills must have a min of inches of clearance to the earth ? - CORRECT
ANSWER✅✅8 "
Wood girders . Supporting a floor must be pressure treated if they are closer than " to the ground ? -
CORRECT ANSWER✅✅12 "
What is the maximum amount of air foundations that the code allows ? - CORRECT ANSWER✅✅12 "
What is the maximum amount of air foundations that the code allows ? - CORRECT ANSWER✅✅No less
than 5 % and no more than 7 %
What is the minimum compressive strength of concrete after 28 days ? - CORRECT ANSWER✅✅2,500
PSI
The maximum permitted slope for the bottom surface of footings shall be ? - CORRECT
ANSWER✅✅1:10 ( one vertical in ten units horizontal ) 10 % slope
How many bolts are required for a wood sill on a concrete foundation resting on 22 linear feet Eleven (
11 ) feet of wall each way from the corner - CORRECT ANSWER✅✅6 , they will most likely show you a
drawing
,A contractor has installed anchor bolts imbedded 6 " in a concrete foundation The imbedded depth is
how many inches too short ? - CORRECT ANSWER✅✅1 "
For an 8 - foot high plain masonry foundation wall with 4 feet of unbalanced fill , what is the minimum
thickness of the foundation wall ? The soil type is SW - CORRECT ANSWER✅✅6 inches
When emergency escape and rescue windows are required in a single family home , they shall have a sill
height of not more than inches off the ground ? - CORRECT ANSWER✅✅44 inches
When working in a residential single family , the minimum clear height of the means of egress door shall
not less than and a clear width of - CORRECT ANSWER✅✅78 " and 32 "
What is the minimum height of an emergency escape window ? - CORRECT ANSWER✅✅24 inches
What is the minimum width of an emergency escape window ? - CORRECT ANSWER✅✅20 inches
When is a handrail required on a set of stairs in a single family home ? - CORRECT ANSWER✅✅4 steps
or more
In a single family home stairways shall not be less than 36 " in clear width at all points above the
permitted handrail height . Stairway widths shall not be less than inches where a handrail is installed on
one side and inches where handrails are provided on both sides . - CORRECT ANSWER✅✅31-1/2" and
27"
What is the maximum variation in riser height in multiple stairs ( not consecutive ) in a flight of stairs ? -
CORRECT ANSWER✅✅3/8 "
What is the maximum variation in depth of adjacent treads or in the height of adjacent risers ? -
CORRECT ANSWER✅✅3/8 "
, What is the minimum headroom requirement in stairway for a 2 family residence measured from the
sloped plane adjoining the tread nosing or from the floor surface of the landing or platform ? - CORRECT
ANSWER✅✅6 feet 8 inches
What is the minimum clearance space between a handrail and a wall ? - CORRECT ANSWER✅✅1½ "
A single - family residence has a 8 foot 8 inch high , 8 inch thick , reinforced concrete foundation The soil
type is SM - SC . If the unbalanced backfill height is 8 feet , what vertical reinforcement size and spacing
will be required ? - CORRECT ANSWER✅✅# 6 at 32 inches on center
If not using masonry veneer , how high above finished grade does the masonry foundation wall need to
be ? - CORRECT ANSWER✅✅6 "
Drains shall be provided around all concrete and masonry foundations that retain earth and enclose
habitable or usable space Gravel or crushed stone drains shall extend at least beyond the outside edge
of the footing and beyond the outside edge of the footing and inches above the top - CORRECT
ANSWER✅✅1 foot and 6 inches
Drain tiles used for foundation drainage shall be covered with at least how many inches of washed
gravel or crushed rock ? - CORRECT ANSWER✅✅6 inches
What agency governs the mortar content in a 3 - inch steel support column ? - CORRECT
ANSWER✅✅ASTM A 53
A 45 x 60 crawl space with approved vapor barrier and cross ventilation shall be required to have how
much under floor ventilation ? - CORRECT ANSWER✅✅1.8 sf
Where are vapor retarders in spaces of roof - ceiling assemblies required to be installed ? - CORRECT
ANSWER✅✅Warm in winter side
How large does the opening need to be for attic access located in a single family home ? - CORRECT
ANSWER✅✅22 " x 30 "