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SHEET
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GENERAL
PLANS COMPLY WITH THE 2015 INTERNATIONAL RESIDENTIAL CODE.
CONTRACTOR SHALL VERIFY ALL NOTES, DIMENSIONS AND CONDITIONS PRIOR TO
CONSTRUCTION. CONTRACTOR SHALL PROVIDE TEMPORARY BRACING AS REQUIRED UNTIL
ALL PERMANENT CONNECTIONS HAVE BEEN MADE. IT 15 THE CONTRACTORS RE5PON51BILITY
TO IDENTIFY ALL DISCREPANCIES TO THE ARCHITECT AT THE TIME THEY ARE NOTED.
DIMENSIONS TAKE PRECEDENCE OVER SCALED DRAWIN65.
CODES:
ALL APPLICABLE CODES AND AUTHORITIES HAVING JURISDICTION SHALL BE FOLLOWED
I. 2015 INTERNATIONAL RESIDENTIAL CODE (IRC) WITH WASHIN&TON STATE AMENDMENTS
(WSA) EXCEPT CHAPTERS II AND 25 THROUGH 42 ARE NOT ADOPTED. WAG 51-51
2. 2015 INTERNATIONAL BU I LD I N6 CODE (IBC) WITH WASH I N6TON STATE AMENDMENTS (MA)
WAC51-50
5. 2015 INTERNATIONAL MECHANICAL CODE (IMC) WITH WASHIN6TON STATE AMENDMENTS
(W5A) WAG 51-52
4. 2015 UNIFORM PLUMBING CODE (UPC) WITH WA5HIN&TON STATE AMENDMENTS, WAG 51-56.
5. 2015 INTERNATIONAL FIRE GORE WITH WA514I146TON STATE AMENDMENTS, WAG 51-54A.
6. 2015 WASHIN&TON STATE ENERGY GORE, RESIDENTIAL PROVISIONS (WSEG). WAG 51-IIR.
INSULATION $ MOISTURE PROTECTION
GENERAL
UNLESS NOTED OTHERWISE, INSULATION SHALL CONFORM TO THE WASHINGTON STATE ENERGY
CODES. INSULATION BAFFLES TO MAINTAIN P CLEAR SPACE ABOVE INSULATION. BAFFLES TO
EXTEND 6" ABOVE BATT INSULATION 4 12" ABOVE L005E FILL INSULATION. INSULATE BEHIND
BATHTUBS, SHOWERS, PARTITIONS AND CORNERS. PROVIDE FACE STAPLED BATTS OR FRICTION
FIT FACED BATTS. PROVIDE 4 MIL (0.004") POLYETHYLENE VAPOR BARRIER AT WALL5 OR USE
PVA PRIMER WITH A DRY CUP PERM RATING OF ONE (MAX.). PROVIDE R-10 INSULATION UNDER
ELECTRIC. WATER HEATERS.
INFILTRATION CONTROL
I. EXTERIOR JOINTS AROUND WINDOWS AND DOOR FRAMES, OPENIN65 BETWEEN WALL5 AND
FOUNDATIONS, BETWEEN WALL5 AND ROOF AND BETWEEN WALL PANELS, OPENINGS AT
PENETRATIONS OF UTILITY SERVICES THROUGH WALL5, FLOORS, AND ROOF, AND ALL
OTHERS SUCH OPENIN65 IN THE BUILDING ENVELOPE, INCLUDING ACCESS PANELS INTO
UNHEATED SPACES, SHALL BE SEALED, CAULKED, &A5KETED OR WEATHER-5TRIPPED TO
LIMIT AIR INFILTRATION.
2. ALL EXTERIOR DOOR-5, OTHER THAN FIRE -RATED DOORS, SHALL BE DE51CVNED TO LIMIT AIR
INFILTRATION AROUND THEIR PERIMETER WHEN IN A OL05ED POSITION. DOORS BETWEEN
RESIDENCE AND GARAGE ARE NOT CONSIDERED "FIRE -RATED" AND MUST MEET THE ABOVE
REQUIREMENT.
5. ALL EXTERIOR WINDOWS SHALL BE DESIGNED TO ADMIT AIR INFILTRATION INTO OR FROM
THE BUILDING ENVELOPE WHICH SHALL BE SUBSTANTIATED BY TESTING TO STANDARD A5TM
E 265.15. SITE BUILT AND MILLWORK SHOP MADE WOODEN SASH ARE EXEMPT FROM
TESTING BUT SHALL BE WEATHER-STRIPPED, CAULKED AND MORE TIGHTLY FITTING.
4. RECESSED LIGHT FIXTURES TO LIMIT AIR LEAKAGE PER W.5.E.C.
PIPING FOR HOT WATER / STEAM SYSTEMS OF PIPING FOR CONTINUOUSLY CIRCULATING HOT
WATER SERVICE 15 REQUIRED TO BE INSULATED PER THE W.5.E.C. HOT WATER PIPING SHALL BE
INSULATED TO A MINIMUM OF R-5 PER W.5.E.C. R405.5.5. MECHANICAL SYSTEM PIPING SHALL BE
INSULATED TO A MINIMUM R-6 PER W.S.E.C. R405.4
VAPOR BARRIERS / GROUND COVERS
AN APPROVED VAPOR BARRIER SHALL BE PROPERLY INSTALLED IN ROOF DEGK5, IN ENCLOSED
RAFTER SPACES FORMED WHERE GE I L I N65 ARE APPLIED DIRECTLY TO THE UNDER51 DE OF
ROOF RAFTERS, AND AT EXTERIOR WALL5. INSET STAPLED BATTS WITH A PERM RATING LE55
THAN ONE MAY BE INSTALLED IF THE VAPOR BARRIER 15 TO THE WARM SIDE, STAPLES SHALL
BE PLACED NOT MORE THAN 5" O.G. AND GAPS BETWEEN THE FAGIN6 AND THE FRAMING SHALL
NOT EXCEED 1/16"
VAPOR RETARDERS AT WALL5 PER IRC R'702.1
A GROUND COVER OF 6 MIL (0.006") BLACK POLYETHYLENE OR EQUIVALENT SHALL BE LAID
OVER THE &ROUND IN ALL CRAWL SPACES. THE GROUND COVER SHALL BE OVERLAPPED ONE
FOOT AT EACH JOINT AND SHALL EXTEND TO THE FOUNDATION WALL.
CARFENTRY
GENERAL
ALL FRAMING SHALL COMPLY WITH THE APPLICABLE SECTION(5) OF THE 2015 IBC/IRC.
PRESSURE TREATED WOOD REQUIRED IN LOCATIONS LISTED IN IRC R51-I.I
2" MINIMUM VERTICAL CLEARANCE BETWEEN WOOD 8 CONCRETE STEPS, PORCH SLABS,
PATIO SLABS 4 OTHER 51MILAR HORIZONTAL SURFACES EXPOSED TO THE WEATHER.
6" MINIMUM CLEARANCE BETWEEN WOOD AND EARTH.
6" MINIMUM CLEARANCE BETWEEN UNTREATED MU51LL5 AND EARTH.
12" MINIMUM CLEARANCE BETWEEN FLOOR BEAMS AND EARTH.
16" MINIMUM CLEARANCE BETWEEN FLOOR JOISTS AND EARTH.
WOOD BEARI N& ON OR INSTALLED W I TH I N Ys" OF MA50NRY OR CONCRETE TO BE TREATED WITH
AN APPROVED PRESERVATIVE. SOLID BLOCKING OF NOT LESS THAN 2x THICKNESS SHALL BE
PROVIDED AT ENDS AND AT ALL SUPPORT OF JOISTS AND RAFTERS. ANCHOR BOLTS TO BE
PER SHEAR WALL SCHEDULE AND FOUNDATION PLAN. '1" MINIMUM EMBEDMENT. ALL METAL
FRAMING ANCHORS AND HANGERS SHOWN ON DRAWINC75 SHALL BE STRONG TIE CONNECTORS AS
MANUFACTURED BY 51MP50N COMPANY.
PROVIDE F I REBLOCK I N6 IN CONGEALED SPACES OF STUD WALL5 4 PARTITIONS, I NGLUD I N6
FURRED SPACES 8 PARALLEL ROWS OF STUDS OR STAGGERED STUDS AS FOLLOWS:
I. VERTICALLY AT THE CEILING 4 FLOOR LEVELS.
2. HORIZONTALLY AT INTERVALS NOT EXCEED I N6 10 FEET.
PROVIDE FIREBLOGKIN& AT OTHER LOCATIONS PER 2015 IRC R502.11.
DOORS AND WINDOWS
GENERAL
THE REQUIRED E&RE55 DOOR MAY HAVE A MAXIMUM '7 5/4" STEP FROM TOP OF THE THRESHOLD
TO A MINIMUM 56" DEEP LANDING ON THE EXTERIOR SIDE OF THE DOOR. OTHER EXTERIOR
DOORS MAY HAVE A MAXIMUM (2) 7 9/4" STEPS TO A MIN. 56" DEEP LANDIN6. ALL GLAZING
SHALL MEET THE REOUIREMENT5 OF THE 2015 161.5.E.C. TABLE R402.1.1 UNLESS NOTED OTHERWI5E.
ALL 5KYLIGHT5 AND 5KYWALL5 SHALL HAVE LAMINATED &LASS UNLESS NOTED OTHERWI5E.
ALL BEDROOM EMERGENCY EGRESS WINDOWS SHALL HAVE A MINIMUM NET CLEAR OPENING OF
5.1 SQUARE FEET. MINIMUM NET CLEAR OPERABLE WIDTH OF 20" AND A MINIMUM NET CLEAR
OPENING HE16HT OF 24", MAXIMUM SILL HEIGHT OF 44" MEASURED FROM THE FINISHED FLOOR TO
THE BOTTOM OF THE CLEAR OPENING. OPERABLE WINDOWS WITH A 51LL OF MORE THAN '72"
ABOVE FINISHED THE GRADE OR SURFACE BELOW, TO BE A MINIMUM OF 24" ABOVE ADJACENT
FINISHED FLOOR.
SAFETY GLAZING LOCAT I ON5 PER 2015 I RC SECTION R505.4
R506.4.1 GLAZING IN ALL FIXED AND OPERABLE PANELS OF 5WINGIN6, 5LIDING AND BI-FOLD
DOORS.
R505.4.2 GLAZING IN AN INDIVIDUAL FIXED OR OPERABLE PANEL ADJACENT TO A DOOR
WHERE THE BOTTOM EDGE 15 LE55 THAN 60 INCHES ABOVE THE FLOOR 4
THE &LAZING 15 EITHER WITHIN 24 INCHES OF EITHER 51DE OF THE DOOR IN THE
PLANE OF THE DOOR IN A CLOSED POSITION OR ON A WALL PERPENDICULAR
TO THE PLANE OF THE DOOR IN A CLOSED POSITION 4 WITHIN 24 INCHES OF
THE HINGE SIDE OF AN IN -SWINGING DOOR.
R506.4.5 GLAZING IN AN INDIVIDUAL FIXED OR OPERABLE PANEL THAT MEETS ALL OF THE
FOLLOWING CONDITIONS:
I. THE EXPOSED AREA OF AN INDIVIDUAL PANEL IS LARGER THAN Q 5OUARE FEET;
2. THE BOTTOM EDGE OF THE GLAZING 15 LE55 THAN 15" ABOVE THE FLOOR;
5. THE TOP EDGE OF THE GLAZING 15 MORE THAN 56" ABOVE THE FLOOR; AND
4. ONE OR MORE WALKING SURFACES ARE WITHIN 56" MEASURED HORIZONTALLY
AND IN A STRAI&HT LINE, OF THE GLAZING.
R506.4.4 6LAZIN6 IN GUARDS AND RA I L I N65, I NGLUD I N6 STRUCTURAL BALUSTER PANELS AND
NONSTRUCTURAL IN -FILL PANELS, REGARDLESS OF AREA OR HEIGHT ABOVE A
WALKING SURFACE.
R505.4.5 GLAZING IN WALL5, ENCLOSURES OR FENCES CONTAINING OR FACING HOT TUB5,
SPAS, WHIRPOOLS, SAUNAS, STEAM ROOMS, BATHTUBS, SHOWERS AND INDOOR
OR OUTDOOR SWIMMING POOLS WHERE THE BOTTOM EXPOSED EDGE OF THE
GLAZING 15 LE55 THAN 60 INCHES MEASURED VERTICALLY ABOVE ANY
STANDING OR WALKING SURFACE.
R505.4.6 GLAZING WHERE THE BOTTOM EXPOSED EDGE OF THE GLAZING IS LESS THAN 56
INCHES (0114 MM) ABOVE THE PLANE OF THE ADJACENT WALKING SURFACE OF
STAIRWAYS, LAND I N65 BETWEEN FL I &HT5 OF STAIRS AND RAMPS.
R06.4.1 6LAZIN6 ADJACENT TO THE LANDING AT THE BOTTOM OF A STAIRWAY WHERE THE
6LAZIN6 15 LE55 THAN 56 INCHES ABOVE THE LANDING AND WITHIN A 60"
HORIZONTAL ARC LESS THAN 160 DEGREES FROM THE BOTTOM TREAD
N051 N&.
FOR EXCEPTIONS SEE IRC SECTION R506.4
IAF;�RAT�\/E
FRO,IE(:�07 DES(0.0�=R I FT 1 ON
I. Convert the I car bay of the existing 2 car
garage into a shop and a bedroom.
2. Change the existing finished basement to a
game room with a bar, a bathroom and a
bedroom.
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STRUCTURAL NOTES
CODE
DESIGN IS IN ACCORDANCE WITH THE 2015 INTERNATIONAL RESIDENTIAL CODE (I.R.C.)
CARPENTRY
ALL GRADES SHALL CONFORM TO WWPA GRADING RULES FOR WESTERN LUMBER, LATEST EDITION.
PROVIDE CUT WASHERS UNDER ALL NUTS AND BOLTS BEARING AGAINST WOOD. ALL WOOD IN CONTACT
WITH CONCRETE SHALL BE PRESSURE TREATED PER PRESERVATIVE TREATMENT NOTE. FASTENERS
INSTALLED IN PRESERVATIVE TREATED WOOD SHALL BE HOT -DIPPED GALVANIZED PER I.R.C. SECTION
R319.3. NAILING SHALL CONFORM WITH I.R.C. TABLE R602.3(1) & R802.10 OR I.B.C. TABLE 2304.9.1. ALL
STRUCTURAL LUMBER SHALL BE AS NOTED BELOW:
2x STUDS HEM -FIR #2 Fb = 850 PSI
4x BEAMS DOUG-FIR/LARCH #2---------- Fb = 875 PSI
6x BEAMS DOUG-FIR/LARCH #2---------- Fb = 850 PSI
LUMBER NOT NOTED DOUG-FIR/LARCH #2---------- Fb = 850 PSI
MISCELLANEOUS HANGERS TO BE PROVIDED BY SIMPSON COMPANY. ALL HANGERS SHALL BE FASTENED
TO WOOD WITH PROPER NAILS. ALL HOLES SHALL BE NAILED. MACHINE BOLTS TO BE A-307. ANCHOR
BOLTS INTO CONCRETE SHALL BE %" DIAMETER WITH 7 INCHES OF EMBEDMEND INTO CONCRETE UNLESS
NOTED OTHERWISE ON THE PLANS. ALL NAILS SHALL BE COMMON WIRE NAILS. NAILING SHALL BE IN
ACCORDANCE WITH I.B.C. SCHEDULE. 16d COMMON NAIL DIAMETER - (0.162 INCH). LAMINATED STUDS
SHALL BE NAILED WITH (2) ROWS 16d COMMON NAILS @ 6" O.C.
WALL SHEATHING
SHEATHING TO BE �/16 A.P.A. RATED SHEATHING. SPAN RATING 24/0. PANEL END JOINTS SHALL OCCUR AT
SUPPORTS. NAIL PANEL EDGES WITH 8d NAILS AT 4 INCHES ON CENTER AND 10 INCHES ON CENTER AT
INTERMEDIATE SUPPORTS UNLESS NOTED OTHERWISE ON THE DRAWINGS.
WALL NOTES:
NAIL SPACING
EDGES
STUDS
TOP/BOTTOM
PLATE
NEW 2X6 WALL
NAIL
SIZE
8d
6"
12"
6"
INDEX OF DRAWINGS
SHEET # DESCRIPTION
AO SITE PLAN
Al COVERSHEET
A2 EXISTING LOWER FLOOR & EXISTING MAIN FLOOR
A3 EXISTING FOUNDATION PLAN & SECTION "A" & DETAILS
A4 PROPOSED LOWER FLOOR PLAN & EXISTING FRONT ELEVATION
A5 WSEC
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11.03.2020
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SHEET I
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— RESPONSE TO COMMENT 11/23/20
EXISTIN6:7 t**#IAIN FLOOROUTLINE(NOC/HANOES)
SALE:
I /a II = I 1_0 II
XISTINO LOSER FLOOR FLAN
SCALE: I/W = P—O"
SHEET
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HEADER T
REMAIN
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EXISTING 2X WALL OR NEW WALL
MATCHING EXISTING WALL
R-21 INSULATION (FURRED EXIST.
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EXISTING VAPOR BARRIER
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RIGID INSULATION '��%�� FOUNDATION AND
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INSTALL FLASHING AND
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PROTECTION OVER ABO\/E GRADE Document date:
I NSULAsTI ON l " MIN. (I .E. F 1 BER 11.03.2020
/CEMENT SIDING, MUD GOAT, ETC) Document Phase:
FOR PERMIT
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R-10 RIGID
INSULATION
EXISTING GARAGE
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SHEET
A30F A5
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I. CONTRACTOR SHALL VERIFY ALL NOTES, DIMENSIONS 4
CONDITIONS PRIOR TO CONSTRUCTION.
2. WINDOWS $ DOORS ARE SHOWN 4 NOTED AS NOMINAL SIZES.
3. EXTERIOR WALLS TO BE 2x6 STUDS @ 16' O.G. U.N.O.
4. INTERIOR WALLS TO BE 2x4 STUDS @ 16' O.G. U.N.O.
AREA SUMMARNr EXISTING
EXISTING LOWER FLOOR
852 SF
EXISTING MAIN FLOOR
1258 5F
TOTAL HEATED AREA:
20Q0 S.F.
EXISTING 2-GAR GARAGE
1 483 S.F.
AREA SUMMARY' NEE
EXISTING LOWER FLOOR
852 SF
EXISTING MAIN FLOOR
1238 SF
NEW HEATED AREA (PART OF GARAGE)
IQO SF
TOTAL HEATED AREA:
2250 S.F.
REVISED I- GAR GARAGE AREA
27'7 S.F.
NOTE: ADDED HEATED AREA IS LESS THAN 500 SF
PRESCRIPTIVE ENERGY GALL NOT REQUIRED
HALL LEGEND
EXISTING WALL
TO BE REMOVED
EXISTING WALL TO
REMAIN
NEW WALL 2X6 W/ R21 INSUL
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11.03.2020
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FOR PERMIT
A—RESPONSE TO COMMENT 11/23/20
SHEET I
A40F A5
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NOTE: ADDED HEATED AREA IS LE55 THAN 500 5E
PRESGRIPTI\/E ENERGY GALL NOT REQUIRED
PRESCRIPTIVE ENERGY CODE COMPLIANCE
This project will use the requirements of the Prescriptive Path below and
incorporate the minimum values listed. In addition, based on the size of the
structure, the appropriate number of additional credits are checked.
All Climate Zones
R-Valuea
U-Factora
With use of Credit la
Fenestration U-Factor°
n/a
0.30
0.28 U-Factor
n/a
0.50
Skylight U-Factor
Glazed Fenestration SHGCbe
n/a
n/a
Ceiling
49i
0.026
Wood Frame Wall9 ""
21 int
0.056
Mass Wall R-Value'
21121h
0.056
Floor
309
0.029
38 R-Value (0.025)
Below Grade Wall`k
10/15/21 int+TB
0.042
R-10 perimeter& entire slab
Slab R-Value & Depth
10, 2 ft
n/a
R-10 perimeter& entire slab
For single rafter-orjoist-vaulted ceilings, the insulation maybe reduced to R-38.
Table R402.1.1 footnotes included on Sheet Al.
Each dwelling unit in a residential building shall comply with sufficient options from Table R406.2 so
as to achieve the following minimum number of credits:
❑1. Small Dwelling Unit: 1.5 points
Dwelling units less than 1500 square feet in conditioned floor area with less than 300
square feet of fenestration area. Additions to existing building that are 500 square feet of
heated floor area but less than 1500 square feet.
❑2. Medium Dwelling Unit: 3.5 points
All dwelling units that are not included in #1 or#3. Exception: Dwelling units serving
R-2 occupancies shall require 2.5 credits.
❑3. Large Dwelling Unit: 4.5 points
Dwelling units exceeding 5000 square feet of conditioned floor area.
rya_ Odditinns less than 500 square fppt S credits
VENTILATION SCHEDULE
2015 IRC SECTION M1507
SYMBOL
LOCATION
MINIMUM FAN REQUIREMENTS
Bath, Powder,
Min. 50 cfm at 0.25" WG (IRC TABLE M1507.4)
A
Laundry
B
O
Kitchen
Min. 100 cfm at 0.25" WG (IRC TABLE M1507.4)
(Range hood or down draft exhaust fan rated at min.100 cfm
at 0.10" WG may be used for exhaust fan requirement.)
House
Sized per "Intermittent Ventilation Flow Rate" below.
OWhole
C
Fan
*Whole house fans located 4 ft. or less from interior grille to
have a sone rating of 1.0 or less measured at 0.1" WG
INTERMITTENT
Min. cfrn = 40 at 0.25" WG (IRC TABLE M1507.3.3(1))
VENTILATION FLOW
(based on 190 s.f. floor area & 1 bedrooms)
RATE
(daily fractional operation time = 75 %)
All fans to vent to outside. All other requirements of the 2015 WSEC and
the 2015 IRC section M1507 must be met.
ALARM SCHEDULE
2015 IRC SECTIONS R314 & R315
SYMBOL
DESCRIPTION
REQUIREMENTS
Smoke
*110 V interconnected w/ battery backup.
SA
Alarm
*Installed on each floor, in each sleeping area, and
outside each separate sleeping area. Installed not less than
3 ft from the door of a bath which contains a tub or shower
unless this prevents placement in a required location.
*Listed in accordance with UL 217 and to comply with NFPA 72.
Combination
*Installed on each floor, outside of each separate sleeping
SA CM
Smoke
area in the immediate Vicinity of the bedrooms, and in a
Alarm &
bedroom that contains a gas fireplace in the bedroom or
Carbon
adjacent bathroom.
Monoxide
*Smoke alarm requirements per above.
Alarm
*Combination smoke & carbon monoxide alarms listed in
accordance with UL 217 & UL 2034.
SIMPLE HEATING SYSTEM SIZE
This heating system sizing is based on the Prescriptive Requirements
of the 2015 Washington State Energy Code. This is for heating only. ACCA
procedures for sizing cooling systems should be used to determing cooling.
Indoor Design Temperature 70
Outdoor Design Temperature 21
Design Temperature Difference
Indoor - Outdoor Design Terre 49
Conditioned Floor Area 190
Conditioned Volume 1520
Glazing
Sum of UA from Glazing Schedule 2.8
Attic U-Factor X Area = UA
R-49 0.026 0
Other:
Single Rafter or Joist Vaulted Ceilings
U-Factor X Area = UA
R-38 0.027
Other:
Above Grade Walls U-Factor X Area = UA
R-21 + R-10 HEADERS 0.056 512 28.67
Other:
Floors U-Factor X Area = UA
R-38 0.025 190
Other:
Below Grade Walls U-Factor X Area = UA
R-21 Interior 0.042 400 16.80
R-10 Continuous exterior 0.064
Other:
Slab Below Grade F-factor X Length = UA
R-10 Fully insulated 0.36
Other:
Slab on Grade F-factor X Length = UA
R-10 Fully insulated 0.36 64 23.04
Other:
Sum of UA 71.35
Envelope Heat Load 3496 Btu / Hour
Sum of UA X Design Temperature Difference
Air Leakage Heat Load 345 Btu / Hour
((Volume X 0.6) X Design Outdoor Temp) X .018))
Building Design Heat Load 3841 Btu / Hour
Air Leakage + Envelope Heat Loss
Building and Duct Heat Load 1.1 4225 Btu / Hour
Use 1.1 if ducts are located in unconditioned space: Sum of Building Heat Loss X 1.1
Use 1 if ducts are located in conditioned space: Sum of Building Heat Loss X 1
Maximum Heat Equipment Output 1.4 5915 Btu / Hour
Use 1.4 for forced air furnace: Building & Duct Heat Loss x 1.4
Use 1.25 for heat pump: Building & Duct Heat Loss x 1.25
VAPOR RETARDER
FLOOR
4 MIL POLY
FACE STAPLED BACKED BATTS
PLYWOOD W/ EXT. GLUE
WALL
4 MIL POLY
FACE STAPLED BACKED BATTS
�X PVA PRIMER
RIM JOIST
4 MIL POLY
L_2( ] FACE STAPLED BACKED BATTS
PVA PRIMER
CEILING
=4 MIL POLY
= FACE STAPLED BACKED BATTS
PVA PRIMER
FAX
Residential Construction Energy Compliance
AIR BARRIER AND INSULATION INSTALLATION TABLE R402.4.1.1
COMPONENT
AIR BARRIER CRITERIAa
INSULATION CRITERIAa
Air barrier
A continuous air barrier shall be installed in the
Air -permeable insulation shall not be used as a sealing material.
and
building envelope. Exterior thermal envelope
Class I or II vapor retarders are required on the interior side of
thermal barrier
contains a continuous air barrier. Breaks or joints in
framed cavities.
the air barrier shall be sealed.
All cavities in the thermal envelope shall be filled with insulation. The density of the insulation shall be at the
manufacturers' product recommendation and said density shall be maintained for all volume of each cavity. Batt type
insulation w ill show no voids or gaps and maintain an even density for the entire cavity. Batt insulation shall be
Cavity insulation
installed in the recommended cavity depth. Where an obstruction in the cavity due to services, blocking, bracing or
other obstruction exists, the batt product w ill be cut to fit the remaining depth of the cavity. Where the batt is cut
installation
around obstructions, loose fill insulation shall be placed to fill any surface or concealed voids, and at the
manufacturers' specified density. Where faced batt is used, the installation tabs must be stapled to the face of the
stud. There shall be no compression to the batt at the edges of the cavity due to inset stapling installation tabs.
Insulation that upon installation readily conforms to available space shall be installed filling the entire cavity and within
The air barrier in any dropped ceiling/soffit shall be
Batt insulation installed in attic roof assemblies may be
aligned w ith the insulation and any gaps in the air
compressed at exterior w all lines to allow for required attic
Ceiling/attic
barrier sealed. Access openings, drop dow n stair
ventilation. The insulaton in any dropped ceiling
or knee w all doors to unconditioned attic spaces
or soffit shall be aligned w ith the air barrier.
shall be sealed.
The junction of the foundation and sill plate shall be
Cavities w ithin corners and headers shall be insulated by
sealed. The junction of the top plate and top of
completely filling the cavity w ith a material having a minimum
Walls
exterior w ails shall be sealed. Knee w ails shall be
thermal resistance of R 3 per inch. Exterior thermal envelope
sealed.
insulation for framed w ails shall be installed in substantial contact
and continuous alignment w ith the air barrier.
Windows, skylights
Space between window/doorjambs and framing
and doors
and skylights and framing shall be sealed.
R1in joists
Rim joists shall include the air barrier.
Rim joists shall be insulated
Installed to maintain permanent contact w ith underside of
Floors (including above-
The air barrier shall be installed at any exposed
subfloor decking or permitted to be in contact w ith the topside of
garage and cantilevered)
edge of insulation.
sheathing or continuous insulation installed on the underside of
floor framing and extend from the bottom to the top of all
Crawl space walls
Soil in unvented craw I spaces shall be covered
Where provided in lieu of floor insulation, insulation shall be
w ith Class I, black vapor retarder w ith joints taped.
permanently attached to the craw [space w ails.
Shafts, penetrations
Duct shafts, utility penetrations, and flue shafts opening to exterior or unconditioned space shall be sealed.
Batts in narrow cavities shall be cut to fit and installed to the
Narrow cavities
correct density w ithout any voids or gaps or compression.
Narrow cavities shall be filled by insulation that on installation
readily conforms to the available cavity space.
Garage separation
Air sealing shall be provided betw een the garage and conditioned spaces.
Recessed lighting
Shall be sealed to the dryw all.
Shall be air tight, and IC rated.
Batt insulation shall be cut neatly to fit around w iring and
Plumbing and wiring
plumbing in exterior w ails. There shall be no voids or gaps or
compression w here cut to fit. Insulation that readily conforms to
available space shall extend behind piping and w iring.
Shower and/or tub
Installed at exterior w ails adjacent to show ers and
Exterior w ails adjacent to show ers or tubs shall be insulated
tubs shall separate them from showers and tubs.
Electrical/phone box
Barrier shall be installed behind electrical or communication boxes on exterior w all or install air sealed boxes.
HVAC register boots
Boots that penetrate building thermal envelope shall
be sealed to the subfloor or dryw all.
When required to be sealed, fire sprinklers shall
only be sealed in a manner that is recommended by
Concealed Sprinklers
the manufacturer. Caulking or other adhesive
sealants shall not be used to fill voids betw een fire
sprinkler cover plates and walls or ceilings.
footnote a In addition, inspection oflog walls shall be in accordance with the provisions of1CC-400.
WHOLE HOUSE VENTILATION
OPTION 1. INTERMITTENT WHOLE HOUSE VENTILATION USING EXHAUST FANS (IRC M1507.3.4)
40 MIN. CFM @ 0.25 WG EXHAUST FANS FLOW RATING PER IRC TABLE M1507.3.3(1)
OUTDOOR AIR DISTRIBUTED TO EACH HABITABLE ROOM BY INDIVIDUAL OUTDOOR AIR INLETS.
OPTION 2. INTERMITTENT WHOLE HOUSE VENTILATION INTEGRATED WITH A FORCED -AIR SYSTEM (IRC M1507.3.5)
PROVIDE OUTDOOR AIR AT 40 CFM PER IRC SECTION M1507.3.3
MOTORIZED DAMPER CONNECTED TO THE AUTOMATIC VENTILATION CONTROL
OPTION 3. INTERMITTENT WHOLE HOUSE VENTILATION USING A SUPPLY FAN (IRC M1507.3.6)
PROVIDE OUTDOOR AIR AT 40 CFM @ 0.40 WG PER IRC TABLE M1507.3.3(1)
INCH SMOOTH OR INCH FLEXIBLE OUTDOOR AIR INLET DUCT PER IRC TABLE M1507.3.6.2
BACK -DRAFT DAMPER SELECTION:
CALIBRATED MANUAL VOLUME DAMPER
MANUAL VOLUME DAMPER
AUTOMATIC FLOW -REGULATING DEVICE
OPTION 4. INTERMITTENT WHOLE HOUSE VENTILATION USING A
HEAT RECOVERY VENTILATION SYSTEM (IRC M1507.3.7)
WINDOW, SKYLIGHT & DOOR SCHEDULE
CONDITIONED FLOOR AREA: 190 SUM OF UA FOR HEATING SYSTEM SIZING: 2.E
SUM OF ALL GLAZING AREAS FROM BELOW: 11 (DOES NOT INCLUDE EXEMPT DOOR & WINDOW)
GLAZING TO FLOOR AREA RATIO: 5.5%
AREA WEIGHTED U = UA/AREA: O.00
VERTICAL GLAZJNG
(ALL WINDOWS ARE DOUBLE GLAZED. U-FACTORS ARE DETERMINED IN ACCORDANCE WITH NFRC 100)
ROOM TYPE REF MODEL FRAME GAS LO-E E PKG U VAL SPCRS QTY W H AREA UA
BEDROOM 2 CASE MILGARD 8520 VINYL AIR YES SUNC/i89 0.27 EDGE 1 3.00 3.50 10.50 2.84
0.00 0.0(
0.00 0.0c
0.00 0.0c
SUM OF AREA AND UA: 10.50 2.84
AREA WEIGHTED U = UA/AREA: 0.27
1921 76TH AVE SE LAKE STEVENS, WA 98258
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Document date:
11.03.2020
Document Phase:
FOR PERMIT
ZL- RESPONSE TO COMMENT 11/23/20
SHEET I
A50F A5
r2001 1