Approved PlansA IT NO.Pj—LWO—,Lo(PF
ADIDRESS2Yi-L
2x rafte sp ed " O.C. or
Manufactured es spaced_" O.C. Fathin lnr
(example: x 12 Rafters Spaced 24" O, C.) g (e� r/2' exterior plywood)
Minimum
Note: For roofs with slopes less than 12
4:12, follow manufacture's instructions
for low slope application of roofing pit
material.
Note: Attic ventilation and
access maybe required —
Provide roof tie downs
Solid 2x blocking between
rafters that are 2x12 or greater
board
Note: Pre-engineered roof trusses
w/truss clips may be used in lieu of
roof structure shown.
Diagonal wind bracing or braced wall panels
@ corners and each 25' of wall.
Note: Pre-engineered floor systems
may be used and should be installed
according to the manufacturers
installation instructions. Access
Roof
rto
Property Address:)
This
the
to fit acescl� yo t of
B addy
(example: Class
(example: 1 layer 15#
Ceiling Insulation 1
(example: R-38)
Wall InsulationIL4
(example: R-19 Fiberglass Balls)
2x_ceiling joists (9 PW.C.
(example: 2 x 8 @ 24" O. C.)
Double 2x'� -top plate
(example: 2 x 6)
Span 10
(example: 23'5)
Ceiling height
(example: 87
Siding OLA
(example: lap orT-111)
Wall
1/2" exterior
2x t" studs
(example: 2 x 6 @ 24" O. C.) (�
Cont. 2x '� sill plate
(example: 2 x 4)
M Joists @ I W 0. C.
(example. 2x10 @24" O.C.)
Wall width (0 it "
(example: 8") ,
Footing size 13 —#I x t"
(example: 8"X 16")
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18" minimum from the interior grade
level to the bottom of the floor joists.
Engineered Design: Cassions may be required
if your site has swelling soils. A foundation
: A
.
�,
designed by a Colorado licensed architect or
•'
37
', x
.•'
engineer may be required.
❑ Foundation: Engineered Design
❑ Foundation: Detail A
(see page 3)
Property Address:)
This
the
to fit acescl� yo t of
B addy
(example: Class
(example: 1 layer 15#
Ceiling Insulation 1
(example: R-38)
Wall InsulationIL4
(example: R-19 Fiberglass Balls)
2x_ceiling joists (9 PW.C.
(example: 2 x 8 @ 24" O. C.)
Double 2x'� -top plate
(example: 2 x 6)
Span 10
(example: 23'5)
Ceiling height
(example: 87
Siding OLA
(example: lap orT-111)
Wall
1/2" exterior
2x t" studs
(example: 2 x 6 @ 24" O. C.) (�
Cont. 2x '� sill plate
(example: 2 x 4)
M Joists @ I W 0. C.
(example. 2x10 @24" O.C.)
Wall width (0 it "
(example: 8") ,
Footing size 13 —#I x t"
(example: 8"X 16")
a�
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NI
3. Safety glass is required at specific locations. When you
draw in the location of the new windows on the floor
plan, the plan reviewer can identify which ones require
safety glass.
4. Heat is required in all habitable rooms. Show how the
addition will be heated on the plan.
Electric Code
Existing eleetpic sepUlce may require an upgrade or relocation.
Indicate the size of your electric service (the number on
the main breaker) on your plan. This can help the plan
reviewer determine if an upgrade is needed before you
start construction.
Roof Overframe
When constructing a new valley, use a continuous board
under the bottom cut of the new rafters to provide a solid
nailing surface. The board should be at least 2" thick,
nominal and should be at least as wide as the base of the
new rafter.
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).
Concrete Encased Ground
E—� required for new service
Finished grade 16 min. ° yl'.',: Bottom plate shall be
treated wood or
-` Foundation redwood
Insulate per Chapter
:} 11, I.R.0
Provide #4 rebar vert. @
" min. 4'-0" O.C. insert rebar into
or below frost :a '..;;: concrete footing or key way
3"
Note: Maintain at least 18" clear between the
bottom of the floor joists to the grade level of
the crawlspace, and at least 12" under a beam.
Ventilate the crawlspace with openings near
the corners. The total area of the openings
should be 1 square foot for each 150 square
feet of crawlspace floor area.
The crawlspace access must be a minimum
of 18" x 24" and be unobstructed.
Basement may require engineered design.
#4 rebar min. continuous top of stemwall & at footing
Sealed with 6 mil. polyethylene film