9/19/19
Single Family Residential
One Story Detached Garage
lorado Chapter of the International Conference of Building
Officials
Building Guide
How to Use this Guide
Check with your jurisdiction regarding type of submittal (paper or electronic) and
additional requirements. Draw to scale and complete the following (hint: use graph
paper with ¼” squares. Example: ¼” = 1’).
1 Complete this Building Guide
by filling in the blanks on page two and four, and
indicating which construction details will be used.
2 Provide 2 Plot Plans
(site plan) showing dimensions of your project and its
relationship to existing buildings or structures on the property and the distance to
existing property lines, drawn to scale. See page3.
3 Fill out a building permit application.
Colorado Chapter of the International Code Council
Building Guide
This handout was developed by the Colorado
Chapter of the International Code Council as a
basic plan submittal under the 2018 International
Residential Code. It is not intended to cover all
circumstances. Check with your Department of
Building Safety for additional requirements.
The Colorado Chapter of the International
Code Council is a professional organization
seeking to promote the public health,
safety and welfare to building construction.
We appreciate your feedback and
suggestions please write to the Colorado
Chapter of the International Code Council,
P.O. Box 961, Arvada, CO 80001. This
building guide can be found on the Colorado
Chapter of the International Code Council
website at:
http://www.coloradochaptericc.org
The majority of permit
applications are processed
with little delay. The
submitted documents will
help determine if the
project is in compliance
with building safety
codes, zoning ordinances
and other applicable laws.
1
9/19/19
Floor Plan
Garage is heated
Garage is not heated
Check one
Check one
Single Family Residential One Story Detached Garage
Show door and window header sizes and
location and size of landing in front of door
3
1
/
2
" minimum concrete slab
(minimum width 16” with wall 10’ high)
Header size (___)_____x____
Note:
If roof trusses or rafters bear on header,
special header design may be required
Double 2x4 or 2x6 trimmers each
end of overhead door header
Garage door opening width _______
Dimension ___________
Floor
slope
Address:
Dimension
_______________
Locate and detail bracing
Indicate rafter or
truss direction
Garage door opening
*
If less than 4’ see Braced Wall Panel Detail on
page 5 to comply with section R602.10.6.2 (IRC)
Directions
1.
Fill in the blanks on pages 2 and 4 with dimensions
and materials which will be used to build the
structure. Please print legibly.
2.
Indicate in the check boxes on page 4 which details from page 5 will be used.
Note: Heated garages will require insulation, such as ceilings, walls, and foundation.
Dimension*_______Dimension*_______
This handout was developed by the Colorado Chapter of the
International Code Council as a basic plan submittal under
the 2018 International Residential Code. It is not intended
to cover all circumstances. Check with your Department
of Building Safety for additional requirements.
(___) _____ x _____ header
2
(example: (2) 2 x 12
9/19/19
Single Family Residential One Story Detached Garage
This handout was developed by the Colorado Chapter of the
International Code Council as a basic plan submittal under
the 2018 International Residential Code. It is not intended
to cover all circumstances. Check with your Department
of Building Safety for additional requirements.
3
Site Plan Example
Proposed
Addition
Concrete
Slab for
Gar
age
One
Story
Frame
5’ Utility Easment
Hometown Street
Note: Dimensions
are for reference
purposes only
1”=20’
5.5
25.5
20.0
20.0
75.0
75.0
9.5
40.0
40.0
131.0
26.0
24.2
131.0
30.0
45.8
Walkway
Concrete Drive
59.2
9/19/19
Building Section
Foundation Detail A
Foundation Detail B
Check one
(see page 5)
Single Family Residential One Story Detached Garage
4
Concrete Encased Ground
required for new service
This handout was developed by the Colorado Chapter of the
International Code Council as a basic plan submittal under
the 2018 International Residential Code. It is not intended
to cover all circumstances. Check with your Department
of Building Safety for additional requirements.
12
pitch ____
Provide roof tie downs
Solid 2x blocking between
rafters that are 2x12 or greater
Note: Pre-engineered roof trusses
w/truss clips may be used in lieu of
roof structure shown.
Minimum 1x_____ridge board
Roof covering___________________
(example: Class A 3 tab shingles)
Truss
or
2x____rafters spaced____" O.C.
(example: Put checkmark in box -or- 2 x 10 Rafters Spaced 24"
Underlayment__________________
(example: 1 layer #15 felt)
Sheathing___________________
(example:
1
/
2
" exterior plywood)
Siding________________
Wall sheathing_______
2x____studs @____ O.C.
Footing size____x____
2x_____ceiling joists @ _____O.C.
Double 2x____top plate
Span________
Ceiling height_______
A
B
Diagonal wind bracing or braced wall panels
@ corners and each 20' of wall.
Max.10’ wall height
(example: 1 x 12)
(example: 2 x 8 @ 24" O.C.)
(example: 2 x 6)
(example: 23' 5")
(example: 8')
(example:
1
/
2
"
exterior plywood)
(example: 2 x 6 @ 24" O.C.)
Cont. 2x____sill plate
(example: 2 x 6 decay resistant)
(example: 8" x 16")
(example: lap or T-111)
Note: For roofs with slopes less than 4:12, follow manufacturer’s instructions for low slope application of roofing material.
Wall Insulation _______________
(If heated - example: R-20 Fiberglass Batts)
Foundation Insulation _________
(If heated - example: R-10)
Ceiling Insulation _____________
(If heated - example: R-38)
Span
1x4” collar ties @ 48” o.c.
9/19/19
Foundation Detail B
Foundation Detail A
Braced Wall Panel Detail figure 602.10.6.2
Single Family Residential One Story Detached Garage
5
1
/
2
" x 10" steel anchor bolts 6'-0"
O.C. max., 7" min. penetration
max. 12" from corner and 12"
from each end of plate (min. 2
bolts per plate).
3
1
/
2
" Minimum
Concrete Slab
Lap siding over
foundation a
minimum of 1".
Max. 10’
wall height
Finished
grade
#4 rebar min.
cont. top &
bottom with 18"
laps
Note: Check with local
building department for
swelling soils. Caissons
may be required.
1
/
2
" x 10" steel anchor bolts 6'-0" O.C.
max., 7" min. penetration max. 12"
from corner and 12" from each end
of plate (min. 2 bolts per plate).
3
1
/
2
" Minimum
concrete slab
Lap siding over
foundation a
minimum of 1"
Finished
grade
#4 rebar min. continuous top of
stemwall & at footing with 18" laps
Note: Check
with local
building
department for
swelling soils.
Caissons may
be required.
36" min. or
below frost depth
Provide #4 rebar vert. @ 4'-0"
O.C. insert rebar into concrete
footing or key way
Fiberboard expansion joint
Bottom plate shall be treated
or be separated from concrete
by an impervious moisture
barrier and be 8
"
above grade.
Bottom plate shall be min. 8”
above grade, or be treated
wood or decay resistive wood
12"
3"
18"
6"
3"
6" min.
Extent of header with double portal frame (two braced wall panels)
Extent of header with single portal frame (one braced wall panel)
2’ -18’ Finished width of opening
for single or double portal
For a panel splice
(if needed), panel
HGJHVVKDOOEH
EORFNHGDQGRFFXU
ZLWKLQRIPLG
KHLJKW2QHURZRI
W\S VKHDWKLQJWR
IUDPLQJQDLOLQJLV
UHTXLUHG,I[
EORFNLQJLVXVHG
WKH[VPXVWEH
QDLOHGWRJHWKHUZLWK
'VLQNHUV
Min. 1,000 lb. tie
down device
Min. double 2x4 post
10’ max. total wall height
proposed height
Fasten plate to header with two rows of 16D sinker
nails at 3
"
O.C. typ.
1,000 lb. strap opposite sheathing
Fasten sheathing to header with 8D common or
galvanized box nails in 3" grid pattern as shown and
3" O.C. in all framing (studs, blocking, and sills) typ.
Min length of panel per table R602.10.5
Min. double 2x4 framing
Min. 3“ x 11.25” Net Header
3/8
"
min. thickness wood structural panel sheathing
with 8D common or galvanized box nails at 3"o.c. in all
framing( studs, blocking, and sills) Typ
Min.(2) 3,500 lb. tie-down device (embedded into concrete
and nailed into framing
Min (1) 5/8" diameter anchor bolts installed per section
R403.1.6-with 2"x2" x3/16" plate washer
7\SLFDOSRUWDO
IUDPHFRQVWUXFWLRQ
Fasten top plate
to header with
two rows of 16D
sinker nails at 3"
o.c. Typ.
Min. 3/8” wood
structural panel
sheathing
This handout was developed by the Colorado Chapter of the
International Code Council as a basic plan submittal under
the 2018 International Residential Code. It is not intended
to cover all circumstances. Check with your Department
of Building Safety for additional requirements.
Min. footing size under opening is 12"x12" a turndown slab shall be permitted at door openings
Min. reinforcing of foundation, one #4 bar top and bottom . Lap
bars 15" min.
pony wall
height
Tension strap per table
R602.10.6.4 (on opposite side
of sheathing)
Fasten King stud to
header with 6 16D
sinkers