2007, 03-23 Permit 07001263 Approved PlansWSEC TABLE 6-2
PRESCRIPTIVE REQUIREMENTS°4 FOR GROUP R OCCUPANCY
CLIMATE ZONE 2
Option
Glazing
% of floor
Glazing U-Factor
Doors
Factor
Ceiling2
Ce"rling3
WaII12
Abovera
Wall?
Below
Grade
Wall?
Below
Grade
Floors
Slabb
on
Grade
Vertical
Overhead"
I.
10%
0.40
0.58
0.20
R-38
R-30
R-21
int'
R-21
R-12
R-30
R-10
II.
15%
0.40
0.58
0.20
R-38
R-30
R-19+
R-58
R-21
R-12
R-30
R-10
III.
17%
0.37
0.58
0.20
R-38
R-30
R-19+
R-58
R-21
R-12
R-30
R-10
IV.
25%
Group R-1
Occupancy
Only
0.35
0.58
0.20
R-38 /
U=0.031
R-30 /
U=0.034
R-21
Intl /
U=0.054
R-15
R-12
R-30 /
U=0.029
R-10 /
F=0.54
V.
Unlimited
Group R-3
Occupancy
Only
0.35
0.58
0.20
R-38
R-30
R-21
int'
R-21
R-12
R-30
R-10
VI.
Unlimited
Group R-1
Occupancy
Only
0.32
0.58
0.20
R-38 /
U=0.031
R-30 /
U=0.034
R-21
int' /
U=0.054
R-15
R-12
R-30 /
U=0.029
R-10 /
F=0.54
* Reference Case
0. Nominal R-values are for wood frame assemblies only or assemblies built in accordance with
Section 601.1.
1. Minimum requirements for each option listed. For example, if a proposed design has a glazing ratio
to the conditioned floor area of 13%, it shall comply with all of the requirements of the 15% glazing
option (or higher). Proposed designs which cannot meet the specific requirements of a listed option
above may calculate compliance by Chapters 4 or 5 of this Code.
2. Requirement applies to all ceilings except single rafter or joist vaulted ceilings.
3. Requirement applicable only to single rafter or joist vaulted ceilings.
4. Below grade walls shall be insulated either on the exterior to a minimum level of R-10, or on the
interior to the same level as walls above grade. Exterior insulation installed on below grade walls
shall be a water resistant material, manufactured for its intended use, and installed according to the
manufacturer's specifications. See Section 602.2.
5. Floors over crawl spaces or exposed to ambient air conditions.
6. Required slab perimeter insulation shall be a water resistant material, manufactured for its intended
use, and installed according to manufacturer's specifications. See Section 602.4.
7. Int. denotes standard framing 16 inches on center with headers insulated with a minimum of R-5
insulation.
WSEC Builder's Field Guide 5th Edition
COOPERATIVE EXTENSION
WASHINGTON STATE UNIVERSITY
ENERGY PROGRAM
1.7
BUILDING PLANNING
R311.5.6.3 Handrail grip size. All required handrails
shall be of one of the following types or provide equiva-
lent graspability.
1. Type I. Handrails with a circular cross section shall
have an outside diameter of at least 11/4 inches (32
min) and not greater than 2 inches (51 mm). If the
handrail is not circular it shall have a perimeter di-
mension of at least 4 inches (102 mm) and not
greater than 61/4 inches (160 mm) with a maximum
cross section of dimension of 21/4 inches(57 min).
2. Type II. Handrails with a perimeter greater than 61/4
inches (160 mm) shall provide a graspable finger re-
cess area on both sides of the profile. The finger re-
cess shall begin within a distance of 3/4 inch (19 mm)
measured vertically from the tallest portion of the
profile and achieve a depth of at least 5/16 inch (8
nun) within'/8 inch (22 min) below the widest por-
tion of the profile. This required depth shall con-
tinue for at least 3/8 inch (10 mm) to a level that is not
less than 13/4 inches (45 mm) below the tallest por-
tion of the profile. The minimum width of the hand-
rail above the recess shall be 1'/4 inches (32 min) to a
maximum of 23/4 inches (70 mm). Edges shall have
a minimum radius of 0.01 inches (0.25 mm).
R311.5.7 Illumination. All stairs shall be provided with il-
lumination in accordance with Section R303.6.
R311.5.8 Special stairways. Circular stairways, spiral
stairways, winders and bulkhead enclosure stairways shall
comply with all requirements of Section R311.5 except as
specified below.
R311.5.8.1 Spiral stairways. Spiral stairways are per-
mitted, provided the minimum width shall be 26 inches
(660 mm) with each tread having a 71/2-inches (190 mm)
minimum tread depth at 12 inches from the narrower
edge. All treads shall be identical, and the rise shall be no
more than 91/2 inches (241 min). A minimum headroom
of 6 feet 6 inches (1982 mm) shall be provided.
R311.5.8.2 Bulkhead enclosure stairways. Stairways
serving bulkhead enclosures, not part of the required
building egress, providing access from the outside grade
level to the basement shall be exempt from the require-
ments of Sections R311.4.3 and R311.5 where the maxi-
mum height from the basement finished floor level to
grade adjacent to the stairway does not exceed 8 feet
(2438 mm), and the grade level opening to the stairway is
covered by a bulkhead enclosure with hinged doors or
other approved means.
R311.6 Ramps.
R311.6.1 Maximum slope. Ramps shall have a maximum
slope of one unit vertical in eight units horizontal (12.5-per-
cent slope).
R311.6.2 Landings required. A minimum 3-foot-by-3-foot
(914 mm by 914 mm) landing shall be provided:
1. At the top and bottom of ramps,
2. Where doors open onto ramps,
3. Where ramps change direction.
R311.6.3 Handrails required. Handrails shall be provided
on at least one side of all ramps exceeding a slope of one unit
vertical in 12 units horizontal (8.33-percent slope).
R311.6.3.1 Height. Handrail height, measured above the
finished surface of the ramp slope, shall be not less than
34 inches (864 mm) and not more than 38 inches (965
mm).
R311.6.3.2 Handrail grip size. Handrails on ramps
shall comply with Section R311.5.6.3.
R311.6.3.3 Continuity. Handrails where required on
ramps shall be continuous for the full length of the ramp.
Handrail ends shall be returned or shall terminate in
newel posts or safety terminals. Handrails adjacent to a
wall shall have a space of not less than 1.5 inches (38
mm) between the wall and the handrails.
SECTION R312
GUARDS
R312.1 Guards required. Porches, balconies or raised floor
surfaces located more than 30 inches (762 mm) above the floor
or grade below shall have guards not less than 36 inches (914
mm) in height. Open sides of stairs with a total rise of more than
30 inches (762 min) above the floor or grade below shall have
guards not less than 34 inches (864 min) in height measured
vertically from the nosing of the treads.
Porches and decks which are enclosed with insect screening
shall be provided with guards where the walking surface is lo-
cated more than 30 inches (762 mm) above the floor or grade
below.
R312.2 Guard opening limitations. Required guards on open
sides of stairways, raised floor areas, balconies and porches
shall have intermediate rails or ornamental closures which do
not allow passage of a sphere 4 inches (102mm) or more in di-
ameter.
Exceptions:
1. The triangular openings formed by the riser, tread and
bottom rail of a guard at the open side of a stairway are
permitted to be of such a size that a sphere 6 inches
(152 mm) cannot pass through.
2. Openings for required guards on the sides of stair
treads shall not allow a sphere 4 3/8 inches (107 mm) to
pass through.
R311.6.3.3 Continuity. Handrails where required on ramps
shall be continuous for the full length of the ramp. Handrail
ends chall be returned or shall terminate in newel posts or
safety. terminals. Handrails adjacent to a wall shall have a
space of not less than 1.5 inches (38 min) between the wall
and the handrails. At least one handrail shall extend in the
direction of ramp run not less than 12 inches (305 min)
horizontally beyond the top and bottom of the ramp runs.
2003 INTERNATIONAL RESIDENTIAL CODE®
STANDARD BLUEPRINT U L 16 12/87
UPC 508.2 — Water heaters require anchoring or
strapping at upper and lower one third points to prevent
horizontal displacement during earthquakes. Strapping
shall be a minimum of 4 inches above controls.
LANDING required on both sides of exit doors with min. size of
3 ft. measured in direction of travel by 3 ft. or width of door if
greater, and not lower than 1 '/Z in. below threshold. Landing
required at other exterior doors is a minimum size of 3 ft travel
distance by width of door, and not lower than 7 3/4 in. below
threshold provided the door does not swing over the landing.
179072
ZZ 7 v ._ . -
:L:GT_:"PINL.
htew AC72 ir. ►opt
•
u
di
P30,TF4- gm.
f.— p
4-
KJ
17o
Egress windows openable
5.7 sq. ft. - 44" sill
n 5.17: /
I• o
l�1
rye C3i2e:AtJ1..
Egress windows openable
5.7 sq. ft. - 44" sill
z . zx to (ems..
4-11
}el'7{ZQQ ►r-i- .._
Egress windows openable
5.7 sq. ft. - 44" sill
1._!, 5.41.C.174g--,AVer,
S e� 4 o"::.ice
I1'-g„
1r :Itsit• G—► tZi�'!
t:-: z lam::tR't:..
•
•
: F
\ex.es
TL•
41.--11, 4,1 ..7: s'. ' ;; • v
zt-
J
-�'
tit V :.A217r ..t Ot4.
eTZC L7 I..1o4S•
.:.c.2V.12 N Ar C
EMERGENCY EGRESS REOUIREMENTS
FROM SLEEPING ROOMS
1) NET CLEAR OPENING: 5.7 SQUARE FEET
GRADE FLOOR OPENING (MAX 44") 5.0 SQUARE FEET
2) NET CLEAR OPENING HEIGHT `' 24INCHES
3) NET CLEAR OPENING MOTH 2OINCHES
4) MAX FINISHED SILL HEIGHT 44" ABOVE FLOOR
51 EMERGENCY ESCAPE & RESCUE OPENING SHALLBE
RATIONAL FM THE INSIDE OF THE ROOM WITHOUT
THE USE OF KEYS ROOR TOOLS
WHEN INTERIOR ALTERATIONS, REPAIRS OR ADDITIONS
REQUIRING A PERMIT OCCUR, OR WHEN ONE OR MORE
SLEEPING ROOMS ARE ADDED OR CREATED IN EXISTING
DWELLINGS. THE DWELLING UNIT SHALL BE PROVIDED
WITH SMOKE ALARMS LOCATED AS REQUIRED FOR NEW
DWELLINGS.
SMOKE ALARMS SHALL. BE INTERCON-
NECTED AND HARD WIRED IN SUCH A
MANNER THAT THE ACTIVATION ,OF ONE
ALARM WILL ACTIVATE ALL ALARMS.
(BEDROOMS, AREAS APPROACHING
BEDROOMS, VAULTED CEILING
WITH RISE OF 24" & ON EACH FLOOR)
EXHAUST FANS
100 CFM kitelien
50 CFM bathrooms
& laundry 'i ataT
To EYE- AteA.
'Sa :.!.i
Minimum depth for frost protection in the City of
Spokane Valley is 24 inches measured from the bottom
of the footing to finish grade. Grade slope away from
building a minimum 6 inches in first 10 feet.
Radon Mitigation System Required
If Vents Subject to Closure
6 mil Vapor Barrier Required
)
•
12•
, Ho K.
r
Anchor Bolts- Minimum Y2" x 10" with 7" concrete
embedment at 6' o.c. and 12" from ends of sill plates.
U N4t7'-AT' 1 0 L1
Wry' LApPeR.,
Min. 4 ft Brace Wall Panel per R602.10.3 & R602.10.4
Min. 2 ft 8 in. Alternate Brace Wall Panel per R602.10.6
Min. 16, 18 or 20 in. APA Portal Frame Bracing
Engineered Shear Wall Bracing
4- .XQ.&tom r„r
Under floor
Clearance 18"
1 MT, ... FOcLN 1 : 'C7ei .
3
1
r
tr_XtT,. 2'ES_410
5'
ff1 .
LO_T- tp-
fizi‘Nocep... ,.4i _ et-L� WWc'
TH LEV-r t 1.1
(7"
Le v4-1-10
STAIRWAYS: Minimum width 36 in. with min. tread
run of 10 in., max. rise of 7 3/4 in. & nosing of 34 1 V4 in.
Min. 6 ft. 8 in. headroom. Enclosed usable space under
stairways requires 1 hour fire protection of Y2 in. GWB
HANDRAILS: Height of 34 - 38 inches when required by four or
more risers shall be continuous the full length of stairs with the
ends returned or rounded. LANDINGS: Required min. width of 36
in. or width of stairway and 36 in. travel distance
5 E-E -1\TT-Atc-i-cmte-T- tgAme-5
DECKS: Ledger board requires 1/2" lag bolt (aj 16" o.c. with
flashing behind. Guardrail 36 in. high required if floor more than
30 in. above grade. Picket spacing no more than 4 in. apart. Posts
require approved base and beam connectors. Min. 24 in. frost
protection to finish grade with min. 12 in. footing base.
17'14 I INSAA;=;.7
/ 0
r?*
I -eh-
V47 is45TALL.::::Va7
7.14 Co 'Sr r4,11Ett,
'31 irc2C2F OvAr441-1AnIti
Nsw ty,4,e,t al:4*d
f•z-.."49A1-1,44i: 2-1
2 FidAvkike,k 3 G.. •ooa-s /.1 7
ArLU-Noi Cd\q t-ry 2,
?TT gt.t. 0 r
X 1--)C (Iteat-S 'DO iv-6-r
A Lk-0,J) CAAI tv,./
r&o-- f(k30
"1"-Y,3 ?LAN
I=P
IELe2e7
oVeiZi-Lets.ists.,
NSW -VIC ..ec2144** WALL.
•
1..te et:A. 4- f
.r.4,=••••••••.•]••••••••4111
-Z.X.4- t "
e. 140 _
rNL.Nr4AL..4.
Alskit*,47/".1-9ds.•
rye?
12-‘4,PZ.1
JEw
T.X10 1.4sii!ci‘
\0•.nrf247" E)<1.*: 12.T.
VAR:31Z-.
• . •••C•tatIMMOVZIONSMMXIM
me.m, 12C2LqP INV-1 =to C-111- •
OVESIZ 'HW p.40,c3•'
. 1 4S1.4
SCP u g.ArE
N1101.3.1 - Attic insulation certification required as to
R — value or coverage. Markers, attached to trusses or
rafters, required for every 300 sf of attic space with 1
inch high numbers for installed thickness of insulation.
"
..•••Ice.g4N.CS.039r
vwrie-do-te;x_
— PULL -T1-41 CAG t4SL11.-
1.L1-Aar E-C2
4z-x-4 tar; 0/e.,
w
•
cc
179072
0 a
It
mes
CD
O.
W
PROVIDE DIAGRAMS AND
ENGINEERING LAYOUTS FOR
ROOF TRUSSES, BEAMS AND
FLOOR SYSTEMS PRIOR TO FRAMING
INSPECTIONS
CITY C s PY
THIS BUILDING SUBJECT
TO I^IELD INSPECTION CORRECTIONS
REVIEWED FOR COr, COMPLIANCE
SPOKANE VALLEY B :ILONG !VISION