05/01/17
Pole Barn Construction
How to Use this Guide
Check with your jurisdiction regarding type of submittal(paper or electronic)and additional
requirements.
1. Complete this Building Guide
by filling in the blanks on all pages, and indicating
which construction details will be used.
2.
Provide Plot Plans
(site plan) showing dimensions of your project or addition
and its relationship to existing buildings or structures on the property and the
distance to existing property lines drawn to scale.
3. Fill out a Building Permit Application.
Colorado Chapter of the International Conference of Building
Officials
Building Guide
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 2015 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. To obtain a master copy
of this building guide, please write to
the Colorado Chapter of the
International Code Council, P.O. Box
961, Arvada, CO 80001.
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.
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05/01/17
Pole Barn Construction
Plan Requirements
Provide all of the details listed below on your
plans. Complete sets of plans and site plan
must be submitted at time of application.
Floor Plan
1. Provide plan view of pole location, spacing,
dimensions of the building.
2. Framing plan should show direction, size,
and spacing of roof system, purlins, girts,
beams and header sizes.
3. Indicate the locations of all window and
door openings.
4. Indicate the locations of the poles, and
provide dimensions between the poles.
5.
Maximum width is 32’, max length 40’,
maintaining at least a 5:3 length to width ratio
.
Section Elevation
1. Front, rear and both side views to scale
(identify scale).
2. Finished grade line at building.
3. Label the depths to the bottom of the poles.
Note that piers must be at least 48 inches in
depth, or the plan must be engineered.
4. Label the pole size and type of material.
Wood poles embedded in earth must be treated
wood, labeled for ground contact.
5. Label the sidewall girt size, type of material,
and spacing. Note that the bottom girt must be
treated wood if located within 6 inches of
grade.
6. Label the beam size and type of material
above the poles. Detail the method of
fastening the beam to the poles.
7.
Label the rafter size and spacing.(if engineered
trusses are to be used, you may indicate this instead).
8. Label the rafter tie (or ceiling joist) size and
spacing. (Not required for engineered trusses).
9.
Label the roof purlin size and spacing, if
applicable.
10.
Label exterior wall finish material.
11. Label the roof covering material.
Inspections Required
1.
Plans and cards need to be on-site at time of all
inspections.
2.
Setback, Hole Inspection and Hold down cleats are
attached to posts: After holes are dug but before
concrete pads are poured.
3.
Framing Inspection: Requested after building is
up and before any insulation or interior covering
is installed. May be final also if no further work is
being done.
4.
Final Inspection: Requested after all work is
completed, such as insulation, concrete slab,
electrical, plumbing, heating, and/or sheetrock.
5.
Additional inspections may be required by
local jurisdictions.
This handout was developed by the Colorado
Chapter of the International Code Council as a
basic plan submittal under the 2015 International
Residential Code. It is not intended to cover all
circumstances. Check with your Depa
rtment of
Building Safety for additional requirements.
Where allowed by the Jurisdiction, this pole barn
guide may be used without the need for any addi-
tional engineering, where all of the following comply:
The barn is no larger than 40’ L x 32’ W x 12’ H side
walls
Rectangular shaped barns must maintain a
minimum 5:3 ratio
The Jurisdictional requirements and barn location
do not exceed the pole barn guides 30 PSF (snow)
live load or 90 MPH design parameters
2
6
.
After the pads are poured verify concrete thickness
05/01/17
End Elevation
Pole Barn Construction
3
Concrete or compacted earth
Hold down cleats( Treated for below ground use)
nailed with (4) 3” nails min. or (2) # 4 18” Rebar
through bottom of post
Compacted earth
Grade
Proper surface drainage required
Slope top of concrete for drainage
Concrete pad
2x4 Lateral bracing
as required by
engineered truss
Truss notched into
post - see detail A, B,
& C, page 5
Min. 24"
Min.
38" min.
48" Min.
This handout was developed by the Colorado Chapter of the
International Code Council as a basic plan submittal under
the 2015 International Residential Code. It is not intended
to cover all circumstances. Check with your Department
of Building Safety for additional requirements.
2x_____purlins @ _____O.C.
min: 2 x 6 @ 24" O.C.
with (3) 16d or (2) 20d nails
12
4/12 Maximum
__________________________roof
min: 29 Ga. Steel
2x_____girts@ _____O.C.
min: 2 x 6 @ 24" O.C. with (4) 20d nails
@ ____________________O.C.
Engineered Truss
__________________________wall
min: 29 Ga. Steel (example)
____x____treated post @ ____O.C.
min: 6” x 6” or (3) 2” x 6” @ 8’ O.C.
treated below ground
_____x_____treated splash board
min: 2” x 6”
Footing size____x____
min: 10" x 24"
Note: Purlins must be on edge with roll
blocking if trusses are more than 4' o.c.
05/01/17
Floor plan
Pole Barn Construction
4
This handout was developed by the Colorado Chapter of the
International Code Council as a basic plan submittal under
the 2015 International Residential Code. It is not intended
to cover all circumstances. Check with your Department
of Building Safety for additional requirements.
Show all doors and window locations
Building length to width ratio: 5:3
40’ max. x 32’ max., 24’ min.
Please see page 3 for footing size
Must have 8’ wall between corners
and doors for bracing
See bracing detail, page 5
Length________
max 40’
Width_______
32’ max. at 40’ length.
Length_______
(example: 10')
Door
Truss direction
8’ max. typical
8’ min.8’ min.
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Side Elevation
Pole Barn Construction
5
Detail A
This handout was developed by the Colorado Chapter of the
International Code Council as a basic plan submittal under
the 2015 International Residential Code. It is not intended
to cover all circumstances. Check with your Department
of Building Safety for additional requirements.
(2) ½"
carriage
bolts
2x6 girts
1 ½"
notch
Post is cut
off to angle
of roof
post
Engineered
Truss
Detail B
Detail C
(2) ½"
carriage
bolts
(3) 2" x 6"
(4) ½" carriage
bolts per splice
(3) ½"
carriage
bolts at
center span
(2) 2" x 12"
Truss
fastener
Notch post for
(1) 2" x 12"
Diagonal bracing at all
corners and every 25’ after
Grade
Treated splash board
see detail A
see detail C
See detail B
Posts _______ apart
(8’ max.)
Girts _______ apart
max: 24”
Engineered
Truss
4’ o.c. Truss
Detail C
Built up beam to be nailed with 16d
common or 16d box nails at 16" o.c.
each edge face nail
N.T.S