APPROVED BLD Plans+7.21.2020_12.22.07_PMGENERAL NOTES
(THE FOLLOWING APPLY UNLESS NOTED OTHERWISE ON THE PLANS)
I IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO BECOME FULLY AWARE OF ANY AND ALL CONDITIONS RELATED TO THE SITE
AND EXISTING CONDITIONS THAT MAY EFFECT THE COST OR SCHEDULING OF CONSTRUCTION ACTIVITIES PR10R TO
SUBMITTING BID.
2 ALL MATERIALS, WORKMANSHIP, DESIGN, AND CONSTRUCTION SHALL CONFORM TO THE DRAWINGS, SPECIFICATIONS, AND THE
FOLLOWING APPLICABLE CODES USED IN THE DESIGN:
201 5 INTERNATIONAL RESIDENTIAL CODE
201 5 WASHINGTON STATE ENERGY CODE
201 2 SRC M 1507 WHOLE HOUSE VENTILATION
SEATTLE STORMWATER, GRADING AND DRAINAGE CONTROL CODE.
3 CONTRACTOR: SHALL VERIFY ALL EXISTING DIMENSIONS, MEMBER SIZES, AND CONDITIONS PRIOR TO COMMENCING ANY
WORK. ALL DIMENSIONS OF EXISTING CONSTRUCTION SHOWN ON THE DRAWINGS ARE INTENDED AS GUIDELINES ONLY AND
4 DO NOT SCALE DRAWINGS OR DETAILS - USE GIVEN DIMENSIONS. CHECK DETAILS FOR LOCATION OF ALL ITEMS NOT
DIMENSIONED ON PLANS. DOOR AND CASED OPENINGS WITHOUT DIMENSIONS ARE TO BE SIX (6) INCHES FROM FACE OF
ADJACENT WALL OR CENTERED BETWEEN WALLS UNLESS NOTED OTHERWISE.
5 INSTALL DUST BARRIERS AND OTHER PROTECTION AS REQUIRED TO PROTECT INSTALLED FINISHES AND FACILITIES.
6 PLUMBING, MECHANICAL AND ELECTRICAL DRAWINGS ARE SUPPLEMENTARY TO THE ARCHITECTURAL DRAWINGS. IT SHALL BE
THE RESPONSIBILITY OF EACH CONTRACTOR TO CHECK WITH THE ARCHITECTURAL DRAWINGS BEFORE INSTALLATION OF THEIR
WORK. ANY DISCREPANCY BETWEEN THE ARCHITECTURAL DRAWINGS AND THE CONSULTING ENGINEERS) OR OTHER
SUPPLEMENTARY DRAWINGS SHALL BE BROUGHT TO THE OWNERS ATTENTION IN WRJTING.
7 CONTRACTOR: SHALL PROVIDE TEMPORARY BRACING FOR THE STRUCTURAL COMPONENTS UNTIL ALL FINAL CONNECTIONS
HAVE BEEN COMPLETED IN ACCORDANCE WITH THE PLANS.
8 CONTRACTOR: SHALL BE RESPONSIBLE FOR ALL SAFETY PRECAUTIONS AND THE METHODS, TECHNIQUES, SEQUENCES OR
PROCEDURES REQUIRED TO PERFORM THE WORK.
9 DRAWINGS: INDICATE GENERAL AND TYPICAL DETAILS OF CONSTRUCTION.
I O WHERE CONDITIONS ARE NOT SPECIFICALLY INDICATED BUT ARE OF SIMILAR CHARACTER TO DETAILS SHOWN, SIMILAR DETAILS
OF CONSTRUCTION SHALL BE USED, SUBJECT TO REVIEW AND APPROVAL BY THE ARCHITECT/DESIGNER.
I I ALL WOOD PLATES: IN DIRT=CT CONTACT WITH CONCRETE OR MASONRY SHALL BE PRESSURE -TREATED WITH AN APPROVED
PRESERVATIVE. PROVIDE 2 LAYERS OF ASPHALT IMPREGNATED BUILDING PAPER BETWEEN UNTR;=ATED LEDGERS, BLOCKING,
ETC., AND CONCRETE OR MASONRY.
12 THERE SHALL BE NO EXPOSED PIPE, CONDUITS, DUCTS. VENTS, ETC. ALL SUCH LINES SHALL BE CONCEALED OR FURRED AND
FINISHED, UNLESS NOTED AS EXPOSED CONSTRUCTION ON THE DRAWINGS. OFFSET STUDS WHERE REQUIR;=D, SO THAT
FINISHED WALL SURFACE WILL BE FLUSH.
13 PRESSURE TREATED LUMBER: ALL FASTENERS AND CONNECTORS THAT ARE IN CONTACT WITH PRi=SSURE TRi=ATED LUMBER
SHALL BE HOT DIPPED GALVANIZED WITH A MINIMUM COATING OF G90 (.90oz/sf) PER ASTM AI 23 AND/OR ASTM AI 53. 304 OR
316
14 STAINLESS STEEL MAY BE SUBSTITUTED IN LIEU OF GALVANIZED PRODUCTS. NO STAINLESS STEEL PRODUCTS SHALL COME IN
CONTACT WITH GALVANIZED PRODUCTS.
15 CONTRACTOR SHALL PROVIDE TEMPORARY BRACING FOR THE STRUCTURE AND STRUCTURAL COMPONENTS UNTIL ALL FINAL
CONNECTIONS HAVE BEEN COMPLETED IN ACCORDANCE WITH THE PLANS.
16 ALL WOOD IN DIRECT CONTACT WITH CONCRETE OR EXPOSED WEATHER SHALL BE PRESSURE TR;=ATED WITH AN APPROVED
PRESERVATIVE UNLESS DECAY RESISTANT HEARTWOOD OF CEDAR OR REDWOOD IS USED. FASTENERS FOR PRESSURE TREATED
WOOD SHALL BE HOT DIPPED GALVANIZED STEEL, STAINLESS STEEL SILICON BRONZE OR COPPER.
17 PROVIDE GALVANIC INSULATION BETWEEN DISSIMILAR METALS.
18 STRUCTURAL ELECTRICAL, MECHANICAL AND ENERGY NOTES ARE LOCATED WITHIN THIS SET OF DRAWINGS.
19 THE CONTRACTOR IS TO VERJFY THE LOCATION OF ALL UTILITIES AND SERVICES TO THE SITE PRIOR TO BEGINNING ANY SITE
IMPROVEMENTS.
20 NO MATERIALS FROM THE WORK ARE TO BE STOCK PILED ON THE PUBLIC RIGHT-OF-WAYS. ALL RUBBISH AND DEBRIS IS TO BE
REMOVED FROM THE SITE.
2 I ADJACENT PROPERTIES, STREETS AND WALKS ARE TO BE PROJECTED FROM DAMAGE AT ALL TIMES.
22 CONSTRUCTION BARRICADES: PROVIDE CONSTRUCTION BARRICADE AS REQUIRED TO KEEP PUBLIC AND EMPLOYEES SAFE,
FOLLOWING ALL APPLICABLE FEDERAL STATE AND CITY CODES AND REGULATIONS. THE CONTRACTOR SHALL TAKE ALL
NECESSARY PRECAUTIONS TO ENSURE THE SAFETY OF THE OCCUPANTS AND WORKERS AT ALL TIMES DURING THE COURSE OF
THE PROJECT.
23 APPROVED PLANS SHALL BE KEPT IN A PLAN BOX AND SHALL NOT BE USED BY ANY WORKMEN. ALL CONSTRUCTION SETS
SHALL REFLECT THE SAME INFORMATION. THE CONTRACTOR SHALL ALSO MAINTAIN IN GOOD CONDITION, ONE COMPLETE SET
OF PLANS WITH ALL REVISIONS, AGENDA AND CHANGE ORDERS ON THE PREMISES AT ALL TIMES. SAID PLANS ARE TO BE
UNDER THE CARE OF THE JOB SUPERINTENDENT.
24 CONTRACT DOCUMENTS WHICH DESCRIBE EXISTING CONSTRUCTION HAVE BEEN BASED ON FIELD INSPECTION AND OWNER
SUPPLIED DOCUMENTS, BUT NOT BASED ON EXTENSIVE FIELD MEASUREMENTS, OPENING OF CONCEALED CONDITIONS OR
EXCAVATED OF BURIED ITEMS. EXISTING CONDITIONS DO NOT ACCURATELY FOLLOW THE ORIGINAL CONSTRUCTION DRAWINGS.
THESE DRAWINGS ARE INTENDED AS A GUIDE TO THE CONTRACTOR WHO SHALL VERIFY DIMENSIONS AND CONDITIONS BEFORE
PROCEEDING WITH WORK.
25 CONTRACTOR TO MAINTAIN IN FORCE AT ALL TIMES, INSURANCE AS REQUIRED BY ARTICLE II OF THE GENERAL CONDITIONS OF
THE CONTRACT FOR CONSTRUCTION, AIA DOCUMENT A201 . CERTIFICATES EVIDENCING SAID INSURANCE SHALL BE PROVIDED
TO THE OWNER, PRIOR TO COMMENCEMENT OF ANY WORK.
26 THE CONTRACTOR ANDJOR THE SUBCONTRACTORS SHALL APPLY FOR, OBTAIN AND PAY FOR ALL REQUIRED PERMITS AND FEES
EXCEPT FOR THE BUILDING PERMIT.
27 PLAN DIMENSIONS ARE TO FACE OF EXTERIOR STUD; INTERIOR WALLS ARE DIMENSIONED TO THE FACE OF INTERIOR STUD
UNLESS NOTED OTHERWISE CONTRACTOR IS TO REFER TO STRUCTURAL PLANS FOR FRAMING DIMENSIONS AND WILL
ACCOUNT FOR THE REQUIRED CLEARANCES � TOLERANCES.
28 VERIFY LOCATION OF ALL EXISTING UTILITIES. CAP, MARK #PROTECT AS NECESSARY TO COMPLY WITH THE WORK.
29 ALL ANGLES ARE 90 OR 45 DEGRi=ES OR MATCH EXISTING, UNLESS OTHERWISE NOTED.
30 REPETITIVE FEATUR;=S MAY BE DRAWN OR NOTED ONLY ONCE, BUT SHALL BE PROVIDED AS IF DRAWN IN FULL.
3 I PLACE ALL MECHANICAL OR ELECTRICAL WALL AND ROOF PENETRATIONS AT LOCATIONS AS INDICATED ON DRAWINGS. Ri=VIEW
WITH ARCHITECT ALL LOCATIONS PRIOR TO INSTALLATION.
32 ALL FLASHING AND SHEET METAL SHALL COMPLY WITH S.M.A.C.N.A. STANDARDS AND ALL APPLICABLE CCDES.
33 REFER TO STRUCTURAL DRAWINGS FOR ADDITIONAL NOTES AND SYMBOLS. LAY OUT FRAMING TO ACCEPT ALL LIGHT FIXTURES,
GRILLS AND DUCTS. PROVIDE FURRING AS REQUIRED TO CONCEAL MECHANICAL AND ELECTRICAL WORK IN FINISHED AREAS.
CONSULT ARCHITECT BEFORE COVERING ALL MECHANICAL AND ELECTRICAL WORK.
34 CONTRACTOR INITIATED CHANGES SHALL BE SUBMITTED IN WRITING TO THE ARCHITECT AND ENGINEER FOR APPROVAL PRIOR
TO FABRJCATION OR CONSTRUCTION. CHANGES SHOWN ON SHOP DRAWINGS ONLY WILL NOT SATISFY THIS REQUIREMENT.
35 REFERENCING OF GENERAL AND KEY NOTES IS FOR CONTRACTOR CONVENIENCE ONLY AND DOES NOT LIMIT OR RESTRICT THEIR
APPLICATION.
36 COORDINATION: THE GENERAL CONTRACTOR SHALL BE RESPONSIBLE FOR THE VERIFICATION AND COORDINATION OF THE WORK
OF ALL TRADES TO ASSURE COMPLIANCE WITH THE DRAWINGS AND SPECIFICATIONS.
37 THESE NOTES ARE IN ABBREVIATE FORM. THE INTENT IS TO FURTHER DEFINE THOSE AREAS OF WORK NO CLEARLY DELINEATED
ON THE DRAWINGS. THE QUALITY OF WORKMANSHIP THROUGHOUT SHALL BE FIRST CLASS AND ALL MATERIALS SHALL MEET OR
EXCEED THE NORMAL INDUSTRY STANDARDS APPLICABLE IN EACH CASE.
38 BUILDING ENCLOSUR;=: RCW 64.55.010 -THE BUILDING ENCLOSURE INCLUDES, BUT IS NOT LIMITED TO, PORTIONS OF
ROOFS, WALLS, BALCONY SUPPORT COLUMNS, DECKS, WINDOWS, DOORS, VENTS, AND OTHER PENETRATIONSTHROUGH
EXTERIOR WALLS WHICH WATERPROOF, WEATHERPROOF, OR OTHERWISE PROTECT THE BUILDING OR ITS COMPONENTS FROM
WATER OR MOISTURE INTRUSION.
39 ALL SIDING METHODS MUST HAVE A WEATHER RESISTIVE BARRIER THAT MEETS THE REQUIR;=MENTS OF 201 5 IRC R703.2.
GENERAL WEATHER PROTECTION FOR THE ENTIRE PROJECT MUST MEET THE REQUIRi=MENTS OF IRC 201 5 R903.
40 ALL CEILING HEIGHTS MUST MEET THE REQUIREMENTS OF 201 5 IRC R305.
I PER 401 .4 (SITE -SPECIFIC GEOTECHNICAL REPORTS SHALL GOVERN)
2 EXCAVATION CUTS ARE TO BE NO STEEPER THAN I : I , HORIZONTAL TO VERTICAL. [H I :V I ] U.N.O. ADDITION MIN. I'
HORIZONTAL DISTANCE FOR WORKING CLEARANCE.
3 3. FILL TO BE FREE OF DEBRIS, ORGANIC CONTAMINANTS AND ROCK FRAGMENTS LARGER THAN 6 INCHES. USE FREE -DRAINING
SAND OR SAND AND GRAVEL CONDITIONED TO APPROPRIATE MOISTURE CONTENT FOR ADEQUATE COMPACTION. FILL SHALL
CONTAIN NO MORE THAN 5% FINES RELATIVE TO THE FRACTION PASSING THE 3/4" SIEVE. FOR HOUSE, SLAB OR PAVEMENT
AREAS, COMPACTION OF FILL TO BE AT LEAST 95% OF THE MAXIMUM DRY DENSITY (MDD) PER ASTM D-1557 TESTING
PROCEDURES. UTILITY TRENCH BACKFILL IN SETTLEMENT -SENSITIVE AREAS TO BE COMPACTED AT LEAST 90% OF THE MDD,
EXCEPT FORTHETOP 2 FEET WHICH SHOULD BE COMPACTED TO 95% OF THE MDD.
4 4. STRUCTURAL FILL TO BE PLACED IN LOOSE LAYERS OF NOT MORE THAN 8" LAYERS FOR HEAVY EQUIPMENT, OR 4" FOR
LIGHTWEIGHT COMPACTION EQUIPMENT. FILL SHOULD BE CONDITIONED TO THE PROPER MOISTURE CONTENT FOR
COMPACTION. COMPACT EACH LIFT BEFORE PLACING SUBSEQUENT LAYERS
5 5. FOR FOOTINGS SUPPORTED ON STRUCTURAL FILL, THE 7.ONE OF STRUCTURAL FILL SHOULD F�(TEND LATERALLY OUT FROM
THE LOOTING EDGES A DISTANCE AT LEAST EQUAL TO THE THICKNESS OF THE STRUCTURAL FILL. STRUCTURAL FILL PLACED
BENEATH FOOTING SHOULD BE COMPACTED TO AT LEAST 95% OF THE MDD IN ACCORDANCE WITH ASTM D-I 557.
6 6. ALL EXTERIOR AND INTERIOR FOOTINGS TO BE AT LEAST 18" AND 12" RESPECTIVELY BELOW THE LOWEST FINISHED
ADJACENT GRADE.
7 7. CRAWL SPACE PER R408.
I CONSTRUCTION, PROJECTIONS, OPENINGS AND PENETRATIONS OF EXTERIOR WALLS OF DWELLINGS AND ACCES50RY
BUILDINGS SHALL COMPLY WITH TABLE 302. I (I ); OR DWELLINGS EQUIPPED THROUGHOUT WITH AND AUTOMATIC SPRINKLER
SYSTEM INSTALLED IN ACCORDANCE WITH SECTION P2904 SHALL COMPLY WITH TABLE 3022(2)
EXTERIOR WALL ELEMENT
MINIMUM FIRE -RESISTANCE RATING
MINIMUM FIRE SEPARATION
DISTANCE
WALLS
FIRE -RESISTANCE
RATED
I HRTESTED IN ACOORDANCE WITH ASTM
E 119 OR UL 263 WITH EXPOSURE FROM
BOTH SIDES
< 5 FT
NOT FIRE-
RESISTANCE RATED
0 HOURS
S 5 FT
NOT ALLOWED
N/A
< 2 FT
PROJECTIONS
FIRE -RESISTANCE
RATED
I HOUR ON THE UNDERSIDE
<_ 2 FT TO <5 FT
NOT FIRE-
0 HOURS
<_ 5 FT
RESISTANCE RATED
NOT ALLOWED
N/A
< 3 FT
OPENINGS IN WALLS
25% MAXIMUM OF
WALL AREA
0 HOURS
3 FT
UNLIMITED
0 HOURS
5 FT
COMPLY WITH SECTION R302.4
< 3 FT
PENETRATIONS
ALL
NON REQUIRED
3 FT
R302.5 OPENING PROTECTION
I OPENINGS AND PENETRATIONS THROUGH THE WALLS OR CEILINGS SEPARATING THE DWELLING FROM THE GARAGE SHALL BE IN
ACCORDANCE WITH SECTIONS R302.5. I THROUGH R302.5.3.
2 OPENINGS FROM A PRIVATE GARAGE DIRECTLY INTO A ROOM USED FOR SLEEPING PURPOSES SHALL NOT BE PERMITTED. OTHER
OPENINGS BETWEEN THE GARAGE AND RESIDENCE SHALL BE EQUIPPED WITH SOLID WOOD DOORS NOT LESS THAN I 3/8
INCHES (35 MM) IN THICKNESS, SOLID OR HONEYCOMB CORE STEEL DOORS NOT LESS THAN 13/ 8 INCHES (35 MM) THICK,
OR 20-MINUTE FIRE -RATED DOORS.
3 DUCTS IN THE GARAGE AND DUCTS PENETRATING THE WALLS OR CEILINGS SEPARATING THE DWELLING FROM THE GARAGE
SHALL BE CONSTRUCTED OF A MINIMUM NO. 26 GAGE (0.48 MM) SHEET STEEL OR OTHER APPROVED MATERIAL AND SHALL
HAVE NO OPENINGS INTO THE GARAGE.
4 PENETRATIONS THROUGH THE SEPARATION REQUIRED IN SECTION R302.6 SHALL BE PROTECTED AS REQUIRED BY SECTION
R302. I i ,ITEM 4.
R302. I I SOLID FIREBLOCKING
IN COMBUSTIBLE CONSTRUCTION, SOLID FIREBLOCKING SHALL BE PROVIDED TO CUT OFF ALL CONCEALED DRAFT OPENINGS
(BOTH VERTICAL AND HORIZONTAL) AND TO FORM AN EFFECTIVE FIRE BARRIER BETWEEN STORIES, AND BETWEEN A TOP STORY
AND THE ROOF SPACE. SOLID FIREBLOCKING SHALL BE PROVIDED IN WOOD -FRAME CONSTRUCTION IN THE FOLLOWING
LOCATIONS:
I IN CONCEALED SPACES OF STUD WALLS AND PARTITIONS, INCLUDING FURRED SPACES AND PARALLEL ROWS OF STUDS OR
STAGGERED STUDS, AS FOLLOWS:
2 VERTICALLY AT THE CEILING AND FLOOR LEVELS.
3 HORIZONTALLY AT INTERVALS NOT EXCEEDING I 0 FEET (3048 MM).
4 AT ALL INTERCONNECTIONS BETWEEN CONCEALED VERTICAL AND HORIZONTAL SPACES SUCH AS OCCUR AT SOFFITS, DROP
CEILINGS AND COVE CEILINGS.
5 IN CONCEALED SPACES BETWEEN STAIR STRINGERS AT THE TOP AND BOTTOM OF THE RUN. ENCLOSED SPACES UNDER STAIRS
SHALL COMPLY WITH SECTION R302.7.
6 AT OPENINGS AROUND VENTS, PIPES, DUCTS, CABLES AND WIRES AT CEILING AND FLOOR LEVEL, WITH AN APPROVED MATERIAL
TO RESIST THE FREE PASSAGE OF FLAME AND PRODUCTS OF COMBUSTION. THE MATERIAL FILLING THIS ANNULAR SPACE
SHALL NOT BE REQUIRED TO MEET THE ASTM E 136 REQUIREMENTS.
7 FOR THE SOLID FIREBLOCKING OF CHIMNEYS AND FIREPLACES, SEE SECTION RI 003. 19.
8 SOLID FIREBLOCKING OF CORNICES OF ATWO-FAMILY DWELLING IS REQUIRED AT THE LINE OF DWELLING UNIT SEPARATION
R302 . � DWELLING /GARAGE FIRE SEPARATION
I THE GARAGE SHALL BE SEPARATED AS REQUIRED BY TABLE R302.6. OPENINGS IN GARAGE WALLS SHALL COMPLY WITH
SECTION R302.5. THIS PROVISION DOES NOT APPLY TO GARAGE WALLS THAT ARE PERPENDICULAR TO THE ADJACENT DWELLING
UNIT WALL.
SEPARATION
a. FROM THE RESIDENCE AND ATTIC
b. FROM ALL HABITABLE ROOMS ABOVE THE GARAGE
c. STRUCTURE{S) SUPPORTING FLOOR/CEILING ASSEMBLIES USED FOR SEPARATION REQUIRED BY THIS SECTION
d. GARAGES LOCATED LESS THAN 3 FEET FROM A DWELLING UNIT ON THE SAME LOT.
MATERIAL
A. NOT LESS THAN !/2-INCH GYPSUM BOARD OR EQUIVALENT APPLIED TO THE GARAGE SIDE
B. NOT LESS THAN 5i8-INCH TYPE X GYPSUM BOARD OR EQUIVALENT
C. NOT LESS THAN I/2-INCH GYPSUM BOARD OR EQUIVALENT
D. NOT LESS THAN I/2-INCH GYPSUM BOARD OR EQUIVALENT APPLIED TO THE INTERIOR SIDE OF EXTERIOR WALLS THAT ARE
WITHIN THIS AREA
R302.7 UNDER -STAIR PROTECTION
I ENCLOSED ACCESSIBLE SPACE UNDER STAIRS SHALL HAVE WALLS, UNDER -STAIR SURFACE AND ANY SOFFITS PROTECTED ON
THE ENCLOSED SIDE WITH I/2-INCH (I 2.7 MM) GYPSUM BOARD. U.N.O
R303 LI Gt1T, VENTI LATI ON � t1 EATI NG
ALL HABITABLE ROOMS SHALL HAVE AN AGGREGATE GLAZING AREA OF NOT LESS THAN 8 PERCENT OF THE FLOOR AREA OF
SUCH ROOMS. NATURAL VENTILATION SHALL BE THROUGH WINDOWS, DOORS, LOUVERS OR OTHER APPROVED OPENINGS TO
THE OUTDOOR AIR. SUCH OPENINGS SHALL BE PROVIDED WITH READY ACCESS OR SHALL OTHERWISE BE READILY
CONTROLLABLE BY THE BUILDING OCCUPANTS.
THE MINIMUM OPEN -ABLE AREA TO THE OUTDOORS SHALL BE 4 PERCENT OF THE FLOOR AREA BEING VENTILATED.
EXCEPTIONS:
a. THE GLA7_ED AREAS NEED NOT BE OPENABLE WHERE THE OPENING IS NOT REQUIRED BY SECTION R310 AND AN APPROVED
MECHANICAL VENTILATION SYSTEM CAPABLE OF PRODUCING 0.35 AIR CHANGE PER HOUR IN THE ROOM IS INSTALLED OR A
WHOLE -HOUSE MECHANICAL VENTILATION SYSTEM IS INSTALLED CAPABLE OF SUPPLYING OUTDOOR VENTILATION AIR OF 15
CUBIC FEET PER MINUTE (CFM) (78 US) PER OCCUPANT COMPUTED ON THE BASIS OF TWO OCCUPANTS FOR THE FIRST
BEDROOM AND ONE OCCUPANT FOR EACH ADDITIONAL BEDROOM.
b. THE GLAZED AREAS NEED NOT BE INSTALLED IN ROOMS WHERE EXCEPTION I ABOVE IS SATISFIED AND ARTIFICIAL LIGHT IS
PROVIDED CAPABLE OF PRODUCING AN AVERAGE ILLUMINATION OF G FOOTCANDLES (65 LUX) OVER THE AREA OF THE ROOM AT
A HEIGHT OF 30 INCHES (762 MM) ABOVE THE FLOOR LEVEL.
c. USE OF SUNROOM ADDITIONS AND PATIO COVERS, AS DEFINED IN SECTION R202, SHALL BE PERMITTED FOR NATURAL
VENTILATION IF IN EXCESS OF 40 PERCENT OF THE EXTERIOR SUNROOM WALLS ARE OPEN, OR ARE ENCLOSED ONLY BY INSECT
SCREENING.
BATHROOMS, WATER CLOSET COMPARTMENTS AND OTHER SIMILAR ROOMS SHALL BE PROVIDED WITH AGGREGATE GLAZING
AREA IN WINDOWS OF NOT LESS THAN 3 SQUARE FEET (0.3 M2), ONE-HALF OF WHICH MUST BE OPEN -ABLE.
EXCEPTION: THE GLAZED AREAS SHALL NOT BE REQUIRED WHERE ARTIFICIAL LIGHT AND A MECHANICAL VENTILATION SYSTEM
ARE PROVIDED. THE MINIMUM VENTILATION RATES SHALL BE 50 CUBIC FEET PER MINUTE (24 L/S) FOR INTERMITTENT
VENTILATION OR 20 CUBIC FEET PER MINUTE (10 L/S) FOR CONTINUOUS VENTILATION. VENTILATION AIR FROM THE SPACE
SHALL BE EXHAUSTED DIRECTLY TO THE OUTSIDE.
ALL INTERIOR AND EXTERIOR STAIRWAYS SHALL BE PROVIDED WITH A MEANS TO ILLUMINATE THE STAIRS, INCLUDING THE
LANDINGS AND TREADS. INTERIOR STAIRWAYS SHALL BE PROVIDED WITH AN ARTIFICIAL LIGHT SOURCE LOCATED IN THE
IMMEDIATE VICINITY OF EACH LANDING OF THE STAIRWAY.
REQUIRED GLAZED OPENINGS SHALL OPEN DIRECTLY ONTO A STREET OR PUBLIC ALLEY, OR A YARD OR COURT LOCATED ON THE
SAME LOT AS THE BUILDING.
EXCEPTIONS:
a. REQUIRED GLAZED OPENINGS MAY FACE INTO A ROOFED PORCH WHERE THE PORCH ABUTS A STREET, YARD OR COURT AND
THE LONGER SIDE OF THE PORCH IS AT LEAST 65 PERCENT UNOBSTRUCTED AND THE CEILING HEIGHT IS NOT LESS THAN 7
FEET (21 34 MM).
b. EAVE PROJECTIONS SHALL NOT BE CONSIDERED AS OBSTRUCTING THE CLEAR OPEN SPACE OF A YARD OR COURT.
c. REQUIRED GLAZED OPENINGS MAY FACE INTO THE AREA UNDER A DECK, BALCONY, BAY OR FLOOR
d. CANTILEVER PROVIDED A CLEAR VERTICAL SPACE AT LEAST 36 INCHES (914 MM) IN HEIGHT IS PROVIDED.
WHEN THE WINTER DESIGN TEMPERATURE IN TABLE R301.2(I) IS BELOW 60°F (16°C), EVERY DWELLING UNIT SHALL BE
PROVIDED WITH HEATING FACILITIES CAPABLE OF MAINTAINING A MINIMUM ROOM TEMPERATURE CF 68°F (20°C) AT A POINT 3
FEET (914 MM) ABOVE THE FLOOR AND 2 FEET (610 MM) FROM EXTERIOR WALLS IN ALL HABITABLE ROOMS AT THE DESIGN
TEMPERATURE. THE INSTALLATION OF ONE OR MORE PORTABLE SPACE HEATERS SHALL NOT BE USED TO ACHIEVE COMPLIANCE
WITH THIS SECTION.
COMMON ROOM: 1 20 SF; COOKING +LIVING OR LIVING +SLEEPING: 150 SF KITCHENS ARE EXEMPT FROM MINIMUM AREA
AND DIMENSIONS.
SRC DEFINITION OF HABITABLE SPACE:
• A SPACE IN A BUILDING FOR LIVING, SLEEPING, EATING OR COOKING. BATHROOMS, TOILET ROOMS, CLOSETS, HALLS,
STORAGE OR UTILITY SPACES AND SIMILAR AREAS ARE NOT CONSIDERED HABITABLE SPACES.
R305 CEILING N EIGt1T
I HABITABLE SPACES/ROOMS, HALLWAYS, CORRIDORS, BATHROOM, TOILET ROOMS, LAUNDRY ROOMS AND BASEMENTS SHALL
HAVE A CEILING HEIGHT NOT LESS THAN 7 FEET MEASURED FROM FINISH FLOOR TO FINISH CEILING. BEAMS AT LEAST 4 FEET
ON CENTER CAN PROJECT INTO SPACE 6 INCHES.
2 SLOPED CEILINGS: NOT MORE THAN 50% OF THE REQUIRED FLOOR AREA OF A ROOM/SPACE IS PERMITTED TO HAVE A SLOPED
CEILING LESS THAN 7 FEET OR A PORTION LESS THAN 5 FEET, (I.E. MINIMUM REQUIRED BEDROOM IS 70 SF PER R304.3, SO
AT LEAST 35 SF OF A BEDROOM NEEDS TO HAVE CEILING HEIGHTS OVER 7 FEET AND THE OTHER 35 SF OVER 5 FEET.
3 GARAGE REQUIREMENTS PER R309
4 ATTIC ACCESS PER R807
5 WEATHER PROTECTION PER R703 � R903
R307 TOILET, BATt1 � St10WER SPACES
I R307. I SPACE REQUIRED. FIXTURES SHALL BE SPACED IN ACCORDANCE WITH FIGURE R307. I ,AND IN ACCORDANCE WITH THE
REQUIREMENTS OF SECTION P2705. I .
2 BATHTUB AND SHOWER FLOORS AND WALLS ABOVE BATHTUBS WITH INSTALLED SHOWER HEADS AND IN SHOWER
COMPARTMENTS SHALL BE FINISHED WITH A NONABSORBENT SURFACE. SUCH WALL SURFACES SHALL EXTEND TO A HEIGHT OF
NOT LESS THAN 6 FEET (i 829 MM) ABOVE THE FLOOR.
R308 DOORS � WI N DOWS
I DOORS AS SELECTED BY OWNER, BUT MUST MEET CODE, EGRESS, HARDWARE, REQUIREMENTS AS PER BELOW:
2 SEE FLOOR PLANS FOR SIZES. RATING AND REQUIRED U-VALUES SHALL BE PER PLAN AND AS SET FORTH ON THIS SHEET. SEE
SCHEDULES ATTACHED OR IN DRAWINGS. ALL EXTERIOR DOORS: WINDOWS AND SKYLIGHTS SHALL BE NFRC CERTIFIED AND
SHALL MEET SEC SECTION R402.4.3.
3 ALL DWELLING UNITS SHALL HAVE DEAD -BOLTS THAT HAVE THUMB -TURN TO THE INSIDE.
4 ELECTRIC GARAGE DOOR TO BE INSTALLED BY COMPANY FAMILIAR WITH SAFETY REQUIREMENTS.
5 ALL DOORS WITH REQUIRED FIRE RATING SHALL COMPLY WITH PROVISIONS IN THIS SECTION, AND SHALL BE SELF CLOSING
AND LATCHING WITH NO HOLD -OPENS. FIRE DOORS AND DAMPERS SHALL HAVE AN APPROVED LABEL OR LISTING MARK,
IDENTIFYING THE FIRE -PROTECTION RATING PERMANENTLY AFFIXED AT THE FACTORY PER IBC/SBC 71 5.3.3 ALL TREATED DOORS
TO HAVE 3 HINGES PER LEAF. WHEN SPRING HINGES ARE USED FOR SELF -CLOSING REQUIREMENTS, NOT LESS THAN HALF OF
THE HINGES ARE TO BE SPRING HINGES.
6 ALL GLAZING WITHIN 24" OF A DOOR, OR WITHIN 18" FROM A FLOOR SURFACE TO BE TEMPERED, INCLUDING ANY GLASS
SHOWER OR TUB DOORS. ADDITIONALLY, GLAZING WITHIN 5 FEET OF THE BOTTOM OR TOP OF STAIRWAYS WHERE THE SILL IS
LESS THAN 60" AFF SHALL BE SAFETY GLAZED. IRC R308.3 � 308.4 SPECIFIES OTHER HAZARDOUS LOCATIONS ALSO
REQUIRING SAFETY GLAZING.
7 EGRESS WINDOWS FROM SLEEPING ROOMS AND BASEMENTS WITH HABITABLE SPACE W/O SLEEPING ROOM TO HAVE A
MINIMUM NET CLEAR OPENING OF 5.7 SF, MINIMUM OF 24" CLEAR HEIGHT, 20" MINIMUM CLEAR WIDTH, WITH MAXIMUM SILL
HEIGHT OF 44" ABOVE FINISHED FLOOR PER IRC R310.
8 SKYLIGHTS PER R308.6
9 ALL DOORS CENTERED IN OPENINGS OR HALLWAYS OR WITH MINIMUM 4" RETURNS, UNLESS NOTED OTHERWISE.
R3 I O. I EMERGENCY ESCAPE � RESCUE
I BASEMENTS, HABITABLE ATTICS AND EVERY SLEEPING ROOM SHALL HAVE AT LEAST ONE OPERABLE EMERGENCY ESCAPE AND
RESCUE OPENING. WHERE BASEMENTS CONTAIN ONE OR MORE SLEEPING ROOMS, EMERGENCY EGRESS AND RESCUE
OPENINGS SHALL BE REQUIRED IN EACH SLEEPING ROOM. WHERE EMERGENCY ESCAPE AND RESCUE OPENINGS ARE PROVIDED
THEY SHALL HAVE A SILL HEIGHT OF NOT MORE THAN 44 INCHES (I 118 MM) ABOVE THE FLOOR. WHERE A DOOR OPENING
HAVING A THRESHOLD BELOW THE ADJACENT GROUND ELEVATION SERVES AS AN EMERGENCY ESCAPE AND RESCUE OPENING
AND IS PROVIDED WITH A BULKHEAD ENCLOSURE, THE BULKHEAD ENCLOSURE SHALL COMPLY WITH SECTION R310.3. THE NET
CLEAR OPENING DIMENSIONS REQUIRED BY THIS SECTION SHALL BE OBTAINED BY THE NORMAL OPERATION OF THE
EMERGENCY ESCAPE AND RESCUE OPENING FROM THE INSIDE. EMERGENCY ESCAPE AND RESCUE OPENINGS WITH A FINISHED
SILL HEIGHT BELOW THE ADJACENT GROUND ELEVATION SHALL BE PROVIDED WITH A WINDOW WELL IN ACCORDANCE WITH
SECTION R310.2. EMERGENCY ESCAPE AND RESCUE OPENINGS SHALL OPEN DIRECTLY INTO A PUBLIC WAY, OR TO A YARD OR
COURT THAT OPENS TO A PUBLIC WAY.
a.EXCEPTION: BASEMENTS USED ONLY TO HOUSE MECHANICAL EQUIPMENT AND NOT EXCEEDING TOTAL FLOOR AREA OF 200
SQUARE FEET (18.58 M2).
2 ALL EMERGENCY ESCAPE AND RESCUE OPENINGS SHALL HAVE A MINIMUM NET CLEAR OPENING OF 5.7 SQUARE FEET {0.530
M 2).
a. EXCEPTION: GRADE FLOOR OPENINGS SHALL HAVE A MINIMUM NET CLEAR OPENING OF 5 SQUARE FEET (0.465 M2).
3 THE MINIMUM NET CLEAR OPENING HEIGHT SHALL BE 24 INCHES (6 I O MM).
4 THE MINIMUM NET CLEAR OPENING WIDTH SHALL BE 20 INCHES (508 MM).
5 EMERGENCY ESCAPE AND RESCUE OPENINGS SHALL BE OPERATIONAL FROM THE INSIDE OF THE ROOM WITHOUT THE USE OF
KEYS, TOOLS OR SPECIAL KNOWLEDGE.
I THE MINIMUM HORIZONTAL AREA OF THE WINDOW WELL SHALL BE 9 SQUARE FEET {0.9 M2), WITH A MINIMUM HORIZONTAL
PROJECTION AND WIDTH OF 36 INCHES (914 MM). THE AREA OF THE WINDOW WELL SHALL ALLOW THE EMERGENCY ESCAPE
AND RESCUE OPENING TO BE FULLY OPENED.
a. EXCEPTION: THE LADDER OR STEPS REQUIRED BY SECTION R310.2. I SHALL BE PERMITTED TO ENCROACH A MAXIMUM OF 6
INCHES (1 52 MM) INTO THE REQUIRED DIMENSIONS OF THE WINDOW WELL.
2 WINDOW WELLS WITH A VERTICAL DEPTH GREATER THAN 44 INCHES (I 118 MM) SHALL BE EQUIPPED WITH A PERMANENTLY
AFFIXED LADDER OR STEPS USABLE WITH THE WINDOW IN THE FULLY OPEN POSITION. LADDERS OR STEPS REQUIRED BY THIS
SECTION SHALL NOT BE REQUIRED TO COMPLY WITH SECTIONS R31 I .7 AND R31 I .8. LADDERS OR RUNGS SHALL HAVE AN
INSIDE WIDTH OF AT LEAST 12 INCHES (305 MM), SHALL PROJECT AT LEAST 3 INCHES {76 MM) FROM THE WALL AND SHALL BE
SPACED NOT MORE THAN 18 INCHES (457 MM) ON CENTER VERTICALLY FOR THE FULL HEIGHT OF THE WINDOW WELL.
I ALL DWELLINGS SHALL BE PROVIDED WITH A MEANS OF EGRESS AS PROVIDED IN THIS SECTION. THE MEANS OF EGRESS SHALL
PROVIDE A CONTINUOUS AND UNOBSTRUCTED PATH OF VERTICAL AND HORIZONTAL EGRESS TRAVEL FROM ALL PORTIONS OF
THE DWELLING TO THE EXTERIOR OF THE DWELLING AT THE REQUIRED EGRESS DOOR WITHOUT REQUIRING TRAVEL THROUGH A
GARAGE.
2 AT LEAST ONE EGRESS DOOR SHALL BE PROVIDED FOR EACH DWELLING UNIT. THE EGRESS DOOR SHALL BE SIDE -HINGED, AND
SHALL PROVIDE A MINIMUM CLEAR WIDTH OF 32 INCHES (813 MM) WHEN MEASURED BETWEEN THE FACE OF THE DOOR AND
THE STOP, WITH THE DOOR OPEN 90 DEGREES (I .57 RAD). THE MINIMUM CLEAR HEIGHT OF THE DOOR OPENING SHALL NOT BE
LESS THAN 78 INCHES (I 981 MM) IN HEIGHT MEASURED FROM THE TOP OF THE THRESHOLD TO THE BOTTOM OF THE STOP.
OTHER DOORS SHALL NOT BE REQUIRED TO COMPLY WITH THESE MINIMUM DIMENSIONS. EGRESS DOORS SHALL BE READILY
OPERABLE FROM INSIDE THE DWELLING WITHOUT THE USE OF A KEY OR SPECIAL KNOWLEDGE OR EFFORT.
3 THERE SHALL BE A LANDING OR FLOOR ON EACH SIDE OF EACH EXTERIOR DOOR. THE WIDTH OF EACH LANDING SHALL NOT BE
LESS THAN THE DOOR SERVED. EVERY LANDING SHALL HAVE A MINIMUM DIMENSION OF 36 INCHES {914 MM) MEASURED IN
THE DIRECTION OF TRAVEL. EXTERIOR LANDINGS SHALL BE PERMITTED TO HAVE A SLOPE NOT TO EXCEED I/4 UNIT VERTICAL IN
12 UNITS HORIZONTAL (2-PERCENT).
a. EXCEPTION: EXTERIOR BALCONIES LESS THAN 60 SQUARE FEET (5.6 M2) AND ONLY ACCESSIBLE FROM A DOOR ARE
PERMITTED TO HAVE A LANDING LESS THAN 36 INCHES (91 4 MM) MEASURED IN THE DIRECTION OF TRAVEL.
4 LANDINGS OR FLOORS AT THE REQUIRED EGRESS DOOR SHALL NOT BE MORE THAN I I/2 INCHES (38 MM) LOWER THAN THE
TOP OF THE THRESHOLD.
a. EXCEPTION: THE EXTERIOR LANDING OR FLOOR SHALL NOT BE MORE THAN 7 3/4 INCHES { 196 MM) BELOW THE TOP OF THE
THRESHOLD PROVIDED THE DOOR DOES NOT SWING OVER THE LANDING OR FLOOR.
5 THE MINIMUM WIDTH OF A HALLWAY SHALL BE NOT LESS THAN 3 FEET (914 MM).
R3 I I .7 STAIRWAYS
I STAIRWAYS SHALL NOT BE LESS THAN 36 INCHES (914 MM) IN CLEAR WIDTH AT ALL POINTS ABOVE THE PERMITTED HANDRAIL
HEIGHT AND BELOW THE REQUIRED HEADROOM HEIGHT. HANDRAILS SHALL NOT PROJECT MORE THAN 4.5 INCHES (I 14 MM)
ON EITHER SIDE OF THE STAIRWAY AND THE MINIMUM CLEAR WIDTH OF THE STAIRWAY AT AND BELOW THE HANDRAIL HEIGHT,
INCLUDING TREADS AND LANDINGS, SHALL NOT BE LESS THAN 31 I/2 INCHES (787 MM) WHERE A HANDRAIL IS INSTALLED ON
ONE SIDE AND 27 INCHES (698 MM) WHERE HANDRAILS ARE PROVIDED ON BOTH SIDES.
a. EXCEPTION: THE WIDTH OF SPIRAL STAIRWAYS SHALL BE IN ACCORDANCE WITH SECTION R31 I .7.9. I .
2 THE MINIMUM HEADROOM IN ALL PARTS OF THE STAIRWAY SHALL NOT BE LESS THAN 6 FEET 8 INCHES (2032 MM) MEASURED
VERTICALLY FROM THE SLOPED LINE ADJOINING THE TREAD NOSING OR FROM THE FLOOR SURFACE OF THE LANDING OR
PLATFORM ON THAT PORTION OF THE STAIRWAY.
a. EXCEPTION: WHERE THE NOSINGS OF TREADS AT THE SIDE OF A FLIGHT EXTEND UNDER THE EDGE OF A FLOOR OPENING
THROUGH WHICH THE STAIR PASSES, THE FLOOR OPENING SHALL BE ALLOWED TO PROJECT HORIZONTALLY INTO THE REQUIRED
HEADROOM A MAXIMUM OF 4 3/4 INCHES (I 21 MM).
3 THE WALKLINE ACROSS WINDER TREADS SHALL BE CONCENTRIC TO THE CURVED DIRECTION OF TRAVEL THROUGH THE TURN
AND LOCATED 12 INCHES (305 MM) FROM THE SIDE WHERE THE WINDERS ARE NARROWER. THE 12-INCH (305 MM) DIMENSION
SHALL BE MEASURED FROM THE WIDEST POINT OF THE CLEAR STAIR WIDTH AT THE WALKING SURFACE OF THE WINDER. IF
WINDERS ARE ADJACENT WITHIN THE FLIGHT, THE POINT OF THE WIDEST CLEAR STAIR WIDTH OF THE ADJACENT WINDERS SHALL
BE USED.
4 STAIR TREADS AND RISERS SHALL MEET THE REQUIREMENTS OF THIS SECTION. FOR THE PURPOSES OF THIS SECTION ALL
DIMENSIONS AND DIMENSIONED SURFACES SHALL BE EXCLUSIVE OF CARPETS, RUGS OR RUNNERS.
5 THE MAXIMUM RISER HEIGHT SHALL BE 7 3/4 INCHES (196 MM). THE RISER SHALL BE MEASURED VERTICALLY BETWEEN
LEADING EDGES OF THE ADJACENT TREADS. THE GREATEST RISER HEIGHT WITHIN ANY FLIGHT OF STAIRS SHALL NOT EXCEED
THE SMALLEST BY MORE THAN 3/8 INCH (9.5 MM).
6 THE MINIMUM TREAD DEPTH SHALL BE 10 INCHES (254 MM). THE TREAD DEPTH SHALL BE MEASURED HORIZONTALLY BETWEEN
THE VERTICAL PLANES OF THE FOREMOST PROJECTION OF ADJACENT TREADS AND AT A RIGHT ANGLE TO THE TREAD'S LEADING
EDGE. THE GREATEST TREAD DEPTH WITHIN ANY FLIGHT OF STAIRS SHALL NOT EXCEED THE SMALLEST BY MORE THAN 3/8 INCH
(9.5 MM). CONSISTENTLY SHAPED WINDERS AT THE WALKLINE SHALL BE ALLOWED WITHIN THE SAME FLIGHT OF STAIRS AS
RECTANGULAR TREADS AND DO NOT HAVE TO BE WITHIN 3/8 INCH (9.5 MM) OF THE RECTANGULAR TREAD DEPTH. WINDER
TREADS SHALL HAVE A MINIMUM TREAD DEPTH OF 10 INCHES (254 MM) MEASURED BETWEEN THE VERTICAL PLANES OF THE
FOREMOST PROJECTION OF ADJACENT TREADS AT THE INTERSECTIONS WITH THE WALKLINE. WINDER TREADS SHALL HAVE A
MINIMUM TREAD DEPTH OF 6 INCHES (I 52MM) AT ANY POINT WITHIN THE CLEAR WIDTH OF THE STAIR. WITHIN ANY FLIGHT OF
STAIRS, THE LARGEST WINDER TREAD DEPTH AT THE WALKLINE SHALL NOT EXCEED THE SMALLEST WINDER TREAD BY MORE
THAN 3/8 INCH (9.5 MM).
7 THE RADIUS OF CURVATURE AT THE NOSING SHALL BE NO GREATER THAN 9/16 INCH (14 MM). A NOSING NOT LESS THAN 3/4
INCH (19 MM) BUT NOT MORE THAN I I/4 INCHES (32 MM) SHALL BE PROVIDED ON STAIRWAYS WITH SOLID RISERS. THE
GREATEST NOSING PROJECTION SHALL NOT EXCEED THE SMALLEST NOSING PROJECTION BY MORE THAN 3/8 INCH (9.5 MM)
BETWEEN TWO STORIES, INCLUDING THE NOSING AT THE LEVEL OF FLOORS AND LANDINGS. BEVELING OF NOSINGS SHALL NOT
EXCEED I/2 INCH (I 2.7 MM). RISERS SHALL BE VERTICAL OR SLOPED UNDER THE TREAD ABOVE FROM THE UNDERSIDE OF THE
NOSING ABOVE AT AN ANGLE NOT MORE THAN 30 DEGREES (0.51 RAD) FROM THE VERTICAL. OPEN RISERS ARE PERMITTED,
PROVIDED THAT THE OPENING BETWEEN TREADS DOES NOT PERMIT THE PASSAGE OF A 4-INCH DIAMETER (102 MM) SPHERE.
EXCEPTIONS:
a. A NOSING IS NOT REQUIRED WHERE THE TREAD DEPTH IS A MINIMUM OF I I INCHES (279 MM).
b. THE OPENING BETWEEN ADJACENT TREADS IS NOT LIMITED ON STAIRS WITH A TOTAL RISE OF 30 INCHES (762MM) OR LESS.
8 EXTERIOR WOOD/PLASTIC COMPOSITE STAIR TREADS. WOOD/PLASTIC COMPOSITE STAIR TREADS SHALL COMPLY WITH THE
PROVISIONS OF SECTION R3 17.4.
I THERE SHALL BE A FLOOR OR LANDING AT THE TOP AND BOTTOM OF EACH STAIRWAY. A FLIGHT OF STAIRS SHALL NOT HAVE A
VERTICAL RISE LARGER THAN 12 FEET (3658 MM) BETWEEN FLOOR LEVELS OR LANDINGS. THE WIDTH OF EACH LANDING SHALL
NOT BE LESS THAN THE WIDTH OF THE STAIRWAY SERVED. EVERY LANDING SHALL HAVE A MINIMUM DIMENSION OF 36 INCHES
(91 4 MM) MEASURED IN THE DIRECTION OF TRAVEL.
a. EXCEPTION: A FLOOR OR LANDING IS NOT REQUIRED AT THE TOP OF AN INTERIOR FLIGHT OF STAIRS, INCLUDING STAIRS IN
AN ENCLOSED GARAGE, PROVIDED A DOOR DOES NOT SWING OVER THE STAIRS.
2 THE WALKING SURFACE OF TREADS AND LANDINGS OF STAIRWAYS SHALL BE SLOPED NO STEEPER THAN ONE UNIT VERTICAL IN
48 INCHES HORIZONTAL (2-PERCENT SLOPE).
I HANDRAILS SHALL BE PROVIDED ON AT LEAST ONE SIDE OF EACH CONTINUOUS RUN OF TREADS OR FLIGHT W/ FOUR OR MORE
RISERS.
2 HANDRAIL HEIGHT, MEASURED VERTICALLY FROM THE SLOPED PLANE ADJOINING THE TREAD NOSING, OR FINISH SURFACE OF
RAMP SLOPE, SHALL BE NOT LESS THAN 34 IN. (864 MM) � NOT MORE THAN 38 IN. (965 MM).
EXCEPTIONS:
a. THE USE OF A VOLUTE, TURNOUT OR STARTING EASING SHALL BE ALLOWED OVER THE LOWEST TREAD.
b. WHEN HANDRAIL FITTINGS OR BEN DINGS ARE USED TO PROVIDE CONTINUOUS TRANSITION BETWEEN FLIGHTS, THE
TRANSITION FROM HANDRAIL TO GUARDRAIL, OR USED AT THE START OF A FLIGHT, THE HANDRAIL HEIGHT AT THE FITTINGS OR
BENDINGS SHALL BE PERMITTED TO EXCEED THE MAXIMUM HEIGHT.
3 CONTINUITY. HANDRAILS FOR STAIRWAYS SHALL BE CONTINUOUS FOR THE FULL LENGTH OF THE FLIGHT, FROM A POINT
DIRECTLY ABOVE THE TOP RISER OF THE FLIGHT TO A POINT DIRECTLY ABOVE THE LOWEST RISER OF THE FLIGHT. 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 I I/2 INCH (38 MM) BETWEEN THE WALL AND THE HANDRAILS.
EXCEPTIONS:
a. HANDRAILS SHALL BE PERMITTED TO BE INTERRUPTED BY A NEWEL POST AT THE TURN.
b. THE USE OF A VOLUTE, TURNOUT, STARTING EASING OR STARTING NEWEL SHALL BE ALLOWED OVER THE LOWEST TREAD.
4 GRIP-S17_F. ALL REQUIRED HANDRAILS SHALL BE OF ONE OF THE FOLLOWING TYPES OR PROVIDE EQUIVALENT GRASPABILITY.
a. TYPE I. HANDRAILS WITH A CIRCULAR CROSS SECTION SHALL HAVE AN OUTSIDE DIAMETER OF AT LEAST I -I/2 INCHES (32
MM) AND NOT GREATER THAN 2 INCHES (5 I MM). IF THE HANDRAIL IS NOT CIRCULAR, IT SHALL HAVE A PERIMETER DIMENSION
OF AT LEAST 4 INCHES (102 MM) AND NOT GREATER THAN 6 I/4 INCHES (160 MM) WITH A MAXIMUM CROSS SECTION OF
DIMENSION OF 2 I/4 INCHES (57 MM). EDGES SHALL HAVE A MINIMUM RADIUS OF 0.01 INCH (0.25 MM).
b. TYPE II. HANDRAILS WITH A PERIMETER GREATER THAN 6 I/4 INCHES (I 60 MM) SHALL HAVE A GRASPABLE FINGER RECESS
AREA ON BOTH SIDES OF THE PROFILE. THE FINGER RECESS SHALL BEGIN WITHIN A DISTANCE OF 3/4 INCH (I 9 MM) MEASURED
VERTICALLY FROM THE TALLEST PORTION OF THE PROFILE AND ACHIEVE A DEPTH OF AT LEAST 5/I 6 INCH (8 MM) WITHIN 7/8
INCH (22 MM) BELOW THE WIDEST PORTION OF THE PROFILE. THIS REQUIRED DEPTH SHALL CONTINUE FOR AT LEAST 3/8 INCH
(10 MM) TO A LEVEL THAT IS NOT LESS THAN I 3/4 INCHES (45 MM) BELOW THE TALLEST PORTION OF THE PROFILE. THE
MINIMUM WIDTH OF THE HANDRAIL ABOVE THE RECESS SHALL BE I I /4 INCHES (32 MM) TO A MAXIMUM OF 2 3/4 INCHES (70
MM). EDGES SHALL HAVE A MINIMUM RADIUS OF 0.01 INCH (0.25 MM).
R31 2.2. I WINDOW SILLS. IN DWELLING UNITS, WHERE THE TOP OF THE SILL OF AN OPERABLE WINDOW OPENING IS
LOCATED LESS THAN 24 INCHES (610 MM) ABOVE THE FINISHED FLOOR AND GREATER THAN 72 INCHES (I 829 MM) ABOVE
THE FINISHED GRADE OR OTHER SURFACE BELOW ON THE EXTERIOR OF THE BUILDING, THE OPERABLE WINDOW SHALL COMPLY
WITH ONE OF THE FOLLOWING:
I OPERABLE WINDOWS WITH OPENINGS THAT WILL NOT ALLOW A 4-INCH-DIAMETER (102 MM) SPHERE TO PASS THROUGH THE
OPENING WHERE THE OPENING IS IN ITS LARGEST OPENED POSITION.
2 OPERABLE WINDOWS THAT ARE PROVIDED WITH WINDOW FALL PREVENTION DEVICES THAT COMPLY WITH ASTM F 2090
3 OPERABLE WINDOWS THAT ARE PROVIDED WITH WINDOW OPENING CONTROL DEVICES THAT COMPLY WITH SECTION 831 2.2.2.
R31 2.2.2 WINDOW OPENING CONTROL DEVICES. WINDOW OPENING CONTROL DEVICES SHALL COMPLY WITH ASTM F 2090.
THE WINDOW OPENING CONTROL DEVICE, AFTER OPERATION TO RELEASE THE CONTROL DEVICE ALLOWING THE R31 2.2.2
WINDOW OPENING CONTROL DEVICES. WINDOW OPENING CONTROL DEVICES SHALL COMPLY WITH ASTM F 2090. THE WINDOW
OPENING CONTROL DEVICE, AFTER OPERATION TO RELEASE THE CONTROL DEVICE ALLOWING THE WINDOW TO FULLY OPEN,
SHALL NOT REDUCE THE NET CLEAR OPENING AREA OF THE WIN-DOW UNIT TO LESS THAN THE AREA REQUIRED BY SECTION
R310.2.1.
I GUARDS SHALL BE LOCATED ALONG OPEN -SIDED WALKING SURFACES, INCLUDING STAIRS, RAMPS AND LANDINGS, THAT ARE
LOCATED MORE THAN 30 INCHES (762 MM) MEASURED VERTICALLY TO THE FLOOR OR GRADE BELOW AT ANY POINT WITHIN 36
INCHES (914 MM) HORIZONTALLY TO THE EDGE OF THE OPEN SIDE. INSECT SCREENING SHALL NOT BE CONSIDERED AS A
GUARD.
2 REQUIRED GUARDS AT OPEN -SIDED WALKING SURFACES, INCLUDING STAIRS, PORCHES, BALCONIES OR LANDINGS, SHALL BE
NOT LESS THAN 42 INCHES (914 MM) HIGH MEASURED VERTICALLY ABOVE THE ADJACENT WALKING SURFACE, ADJACENT FIXED
SEATING OR THE LINE CONNECTING THE LEADING EDGES OF THE TREADS.
EXCEPTIONS:
a. GUARDS ON THE OPEN SIDES OF STAIRS SHALL HAVE A HEIGHT NOT LESS THAN 34 INCHES (8G4 MM) MEASURED
VERTICALLY FROM A LINE CONNECTING THE LEADING EDGES OF THE TREADS.
b. WHERE THE TOP OF THE GUARD ALSO SERVES AS A HANDRAIL ON THE OPEN SIDES OF STAIRS, THE TOP OF THE GUARD
SHALL NOT BE NOT LESS THAN 34 INCHES (864 MM) AND NOT MORE THAN 38 INCHES (965 MM) MEASURED VERTICALLY
FROM A LINE CONNECTING THE LEADING EDGES OF THE TREADS. U.N.O
/�
ATELI E R
PROJECT
JONATHAN CASTILLO
ADDRESS
7216 SOUNDVIEW DR
EDMONDS, WA
98026
DATE
20-07-20
KA-N-01
3 REQUIRED GUARDS SHALL NOT HAVE OPENINGS FROM THE WALKING SURFACE TO THE REQUIRED GUARD HEIGHT WHICH ALLOW
PASSAGE OF A SPHERE 4 INCHES (I 02 MM) IN DIAMETER.
EXCEPTIONS:
a. THE TRIANGULAR OPENINGS AT THE OPEN SIDE OF A STAIR, FORMED BY THE RISER, TREAD AND BOTTOM RAIL OF A GUARD,
SHALL NOT ALLOW PASSAGE OF A SPHERE 6 INCHES (I 53 MM) IN DIAMETER.
b. GUARDS ON THE OPEN SIDES OF STAIRS SHALL NOT HAVE OPENINGS WHICH ALLOW PASSAGE OF A SPHERE 4 3/8 INCHES
(III MM) IN DIAMETER.
4 GUA D ILS AND HAND ILS TO WITHSTAND A 200 LB F CONCRNT TED LOAD APPLIED IN ANY DI ECTION AT ANY POINT
R RA RA /S RA R
ALONG THE TOP. GUARDRAIL IN -FILL COMPONENTS (ALL THOSE EXCEPT THE HANDRAIL), BALUSTERS AND PANEL FILLERS SHALL
BE DESIGNED TO WITHSTAND A HORIZONTALLY APPLIES NORMAL LOAD OF 50 LBS ON AN AREA EQUAL TO I SQUARE FOOT.
THIS LOAD NEED NOT BE ASSUMED TO ACT CONCURRENTLY WITH ANY OTHER LIVE LOAD REQUIREMENT. HANDRAILS TO BE
BETWEEN I - I /2" DI A. AND 2" DIA. WITH CLEARANCE OF I - I /2" BETWEEN RAIL AND WALL SURFACE. MOUNT BETWEEN 34" AN D
38" OFF STAIR NOSING.
r � . � � r
I ALL SMOKE ALARMS SHALL BE LISTED IN ACCORDANCE WITH UL 21 7 AND INSTALLED IN ACCORDANCE WITH THE PROVISIONS
OF THIS CODE AND THE HOUSEHOLD FIRE WARNING EQUIPMENT PROVISIONS OF NFPA 72.
2 HOUSEHOLD FIRE ALARM SYSTEMS INSTALLED IN ACCORDANCE WITH NFPA 72 THAT INCLUDE SMOKE ALARMS, OR A
COMBINATION OF SMOKE DETECTOR AND AUDIBLE NOTIFICATION DEVICE INSTALLED AS REQUIRED BY THIS SECTION FOR
SMOKE ALARMS, SHALL BE PERMITTED. THE HOUSEHOLD FIRE ALARM SYSTEM SHALL PROVIDE THE SAME LEVEL OF SMOKE
DETECTION AND ALARM AS REQUIRED BY THIS SECTION FOR SMOKE ALARMS. WHERE A HOUSEHOLD FIRE WARNING SYSTEM IS
INSTALLED USING A COMBINATION OF SMOKE DETECTOR AND AUDIBLE NOTIFICATION DEVICE(S), IT SHALL BECOME A
PERMANENT FIXTURE OF THE OCCUPANCY AND OWNED BY THE HOMEOWNER. THE SYSTEM SHALL BE MONITORED BY AN
APPROVED SUPERVISING STATION AND BE MAINTAINED IN ACCORDANCE WITH NFPA 72.
• EXCEPTION: WHERE SMOKE ALARMS ARE PROVIDED MEETING THE REQUIREMENTS OF SECTION R31 4.4.
3 SMOKE ALARMS SHALL BE INSTALLED IN THE FOLLOWING LOCATIONS:
• IN EACH SLEEPING ROOM.
• OUTSIDE EACH SEPARATE SLEEPING AREA IN THE IMMEDIATE VICINITY OF THE BEDROOMS.
• ON EACH ADDITIONAL STORY OF THE DWELLING, INCLUDING BASEMENTS AND HABITABLE ATTICS BUT NOT INCLUDING CRAWL
SPACES AND UNINHABITABLE ATTICS. IN DWELLINGS OR DWELLING UNITS WITH SPLIT LEVELS AND WITHOUT AN INTERVENING
DOOR BETWEEN THE ADJACENT LEVELS, A SMOKE ALARM INSTALLED ON THE UPPER LEVEL SHALL SUFFICE FOR THE ADJACENT
LOWER LEVEL PROVIDED THAT THE LOWER LEVEL IS LESS THAN ONE FULL STORY BELOW THE UPPER LEVEL.
• WHEN MORE THAN ONE SMOKE ALARM IS REQUIRED TO BE INSTALLED WITHIN AN INDIVIDUAL DWELLING UNIT THE ALARM
DEVICES SHALL BE INTERCONNECTED IN SUCH A MANNER THAT THE ACTUATION OF ONE ALARM WILL ACTIVATE ALL OF THE
ALARMS IN THE INDIVIDUAL UNIT.
4 WHEN ALTERATIONS, REPAIRS OR ADDITIONS REQUIRING A PERMIT OCCUR, OR WHEN ONE OR MORE SLEEPING ROOMS ARE
ADDED OR CREATED IN EXISTING DWELLINGS, THE INDIVIDUAL DWELLING UNIT SHALL BE EQUIPPED WITH SMOKE ALARMS
LOCATED AS REQUIRED FOR NEW DWELLINGS.
EXCEPTIONS:
a. WORK INVOLVING THE EXTERIOR SURFACES OF DWELLINGS, SUCH AS THE REPLACEMENT OF ROOFING OR SIDING, OR THE
ADDITION OR REPLACEMENT OF WINDOWS OR DOORS, OR THE ADDITION OF A PORCH OR DECK> ARE EXEMPT FROM THE
REQUIREMENTS OF THIS SECTION.
b. INSTALLATION, ALTERATION OR REPAIRS OF PLUMBING OR MECHANICAL SYSTEMS ARE EXEMPT FROM THE REQUIREMENTS OF
THIS SECTION.
5 POWER SOURCE. SMOKE ALARMS SHALL RECEIVE THEIR PRIMARY POWER FRCM THE BUILDING WIRING WHEN SUCH WIRING IS
SERVED FROM A COMMERCIAL SOURCE, AND WHEN PRIMARY POWER IS INTERRUPTED, SHALL RECEIVE POWER FROM A
BATTERY. WIRING SHALL BE PERMANENT AND WITHOUT A DISCONNECTING SWITCH OTHER THAN THOSE REQUIRED FOR
OVERCURRENT PROTECTION. SMOKE ALARMS SHALL BE INTERCONNECTED.
EXCEPTIONS:
6 SMOKE ALARMS SHALL BE PERMITTED TO BE BATTERY OPERATED WHEN INSTALLED IN BUILDINGS WITHOUT COMMERCIAL
POWER.
7 INTERCONNECTION AND HARD -WIRING OF SMOKE ALARMS IN EXISTING AREAS SHALL NOT BE REQUIRED WHERE THE
ALTERATIONS OR REPAIRS DO NOT RESULT IN THE REMOVAL OF INTERIOR WALL OR CEILING FINISHES EXPOSING THE
STRUCTURE., UNLESS THERE IS AN ATTIC., CRAWL SPACE OR BASEMENT AVAILABLE WHICH COULD PROVIDE ACCESS FOR HARD
WIRING AND INTERCONNECTION WITHOUT THE REMOVAL OF INTERIOR FINISHES.
I FOR NEW CONSTRUCTION, AN APPROVED CARBON MONOXIDE ALARM SHALL BE INSTALLED OUTSIDE OF EACH SEPARATE
SLEEPING AREA IN THE IMMEDIATE VICINITY OF THE BEDROOMS IN DWELLING UNITS WITHIN WHICH FUEL -FIRED APPLIANCES ARE
INSTALLED AND IN DWELLING UNITS THAT HAVE ATTACHED GARAGES.
2 WHERE WORK REQUIRING A PERMIT OCCURS IN EXISTING DWELLINGS THAT HAVE ATTACHED GARAGES OR IN EXISTING
DWELLINGS WITHIN WHICH FUEL -FIRED APPLIANCES EXIST, CARBON MONOXIDE ALARMS SHALL BE PROVIDED IN ACCORDANCE
WITH SECTION R31 5. I .
3 SINGLE STATION CARBON MONOXIDE ALARMS SHALL BE LISTED AS COMPLYING WITH UL 2034 AND SHALL BE INSTALLED IN
ACCORDANCE WITH THIS CODE AND THE MANUFACTURER'S INSTALLATION INSTRUCTIONS.
I PROTECTION OF WOOD AND WOOD BASED PRODUCTS FROM DECAY SHALL BE PROVIDED IN THE FOLLOWING LOCATIONS BY
THE USE OF NATURALLY DURABLE WOOD OR WOOD THAT IS PRESERVATIVE -TREATED IN ACCORDANCE WITH AWPA U I FOR THE
SPECIES, PRODUCT, PRESERVATIVE AND END USE. PRESERVATIVES SHALL BE LISTED IN SECTION 4 OF AWPA U I .
A. WOOD JOISTS OR THE BOTTOM OF A WOOD STRUCTURAL FLOOR WHEN CLOSER THAN 18 INCHES (457 MM) OR WOOD
GIRDERS WHEN CLOSER THAN 12 INCHES (305 MM) TO THE EXPOSED GROUND IN CRAWL SPACES OR UNEXCAVATED AREA
LOCATED WITHIN THE PERIPHERY OF THE BUILDING FOUNDATION.
B. ALL WOOD FRAMING MEMBERS THAT REST ON CONCRETE OR MASONRY EXTERIOR FOUNDATION WALLS AND ARE LESS THAN
8 INCHES (203 MM) FROM THE EXPOSED GROUND.
C. SILLS AND SLEEPERS ON A CONCRETE OR MASONRY SLAB THAT IS IN DIRECT CONTACT WITH THE GROUND UNLESS
SEPARATED FROM SUCH SLAB BY AN IMPERVIOUS MOISTURE BARRIER.
D. THE ENDS OF WOOD GIRDERS ENTERING EXTERIOR MASONRY OR CONCRETE WALLS HAVING CLEARANCES OF LESS THAN I/2
INCH (I 2.7 MM) ON TOPS, SIDES AND ENDS.
E. WOOD SIDING, SHEATHING AND WALL FRAMING ON THE EXTERIOR OF A BUILDING HAVING A CLEARANCE OF LESS THAN 6
INCHES (152 MM) FROM THE GROUND OR LESS THAN 2 INCHES (51 MM) MEASURED VERTICALLY FROM CONCRETE STEPS,
PORCH SLABS, PATIO SLABS, AND SIMILAR HORIZONTAL SURFACES EXPOSED TO THE WEATHER.
F. WOOD STRUCTURAL MEMBERS SUPPORTING MOISTURE -PERMEABLE FLOORS OR ROOFS THAT ARE EXPOSED TO THE
WEATHER, SUCH AS CONCRETE OR MASONRY SLABS. UNLESS SEPARATED FROM SUCH FLOORS OR ROOFS BY AN IMPERVIOUS
MOISTURE BARRIER.
G. WOOD FURRING STRIPS OR OTHER WOOD FRAMING MEMBERS ATTACHED DIRECTLY TO THE INTERIOR OF EXTERIOR MASONRY
WALLS OR CONCRETE WALLS BELOW GRADE EXCEPT WHERE AN APPROVED VAPOR RETARDER IS APPLIED BETWEEN THE WALL AND
THE FURRING STRIPS OR FRAMING MEMBERS.
2 FIELD -CUT ENDS, NOTCHES AND DRILLED HOLES OF PRESERVATIVE -TREATED WOOD SHALL BE TREATED IN THE FIELD IN
ACCORDANCE WITH AWPA M4.
3 ALL WOOD IN CONTACT WITH THE GROUND, EMBEDDED IN CONCRETE IN DIRECT CONTACT WITH THE GROUND OR EMBEDDED IN
CONCRETE EXPOSED TO THE WEATHER THAT SUPPORTS PERMANENT STRUCTURES INTENDED FOR HUMAN OCCUPANCY SHALL
BE APPROVED PRESSURE -PRESERVATIVE -TREATED WOOD SUITABLE FOR GROUND CONTACT USE, EXCEPT UNTREATED WOOD
MAY BE USED WHERE ENTIRELY BELOW GROUNDWATER LEVEL OR CONTINUOUSLY SUBMERGED IN FRESH WATER.
R329 SECURITY
PROVIDE BUILDING ENTRANCE LOCKS AND OBSERVATION PORTS AT APPROX. 60" AFF IN ACCORDANCE WITH THIS SECTION.
SOUND TRANSMISSION CONTROL PER SEATTLE RESIDENTIAL CODE SECTION R330. SECURITY FROM CRIMINAL ACTIVITY: DEAD
BOLT (MIN. I/2" THROW) AND VIEWPOINT REQUIRED @EXTERIOR DOORS. WINDOWS AND SLIDING DOORS WITHIN I O' OF GRADE
SHALL BE PROVIDED WITH LATCHING DEVICES, ALL LOCKS SHALL BF OPEN ABLE WITHOUT SPECIAL KNOWLEDGE OR EFFORT.
A. ASSEMBLIES SEPARATING DWELLING UNITS SHALL PROVIDE:
• AT WALLS: AIRBORNE SOUND INSULATION AT STC 45 (OR MORE) PER, ASTM E 90.
• AT FLOOR -CEILING AIRBORNE AND IMPACT SOUND INSULATION AT AN "IMPACT INSULATION CLASS" (IIC) OR MIN. 50 PER
ASTM E 492
R33 I SOUND TRANSMISSION CONTROL
I ASSEMBLIES SEPARATING DWELLING UNITS SHALL PROVIDE:
• AT WALLS: AIRBORNE SOUND INSULATION AT STC 50 (OR MORE) PER, ASTM E 90.
• AT FLOOR -CEILING: AIRBORNE AND IMPACT SOUND INSULATION AT AN "IMPACT INSULATION CLASS" (IIC) OR MIN. 50 PER
ASTM E 492
I AIR -BORNE SOUND: WALLS, PARTITIONS AND FLOOR/CEILING ASSEMBLIES SEPARATING DWELLING UNITS FROM EACH OTHER OR
FROM PUBLIC OR SERVICE AREAS SHALL HAVE A SOUND TRANSMISSION CLASS (STC) OF NOT LESS THAN 50 (45 IF FIELD
TESTED). PENETRATIONS OR OPENINGS IN CONSTRUCTION ASSEMBLIES FOR PIPING, ELECTRICAL DEVICES, RECESSED
CABINETS, BATHTUBS, SOFFITS, OR HEATING, VENTILATING OR EXHAUST DUCTS SHALL BE SEALED. LINED, INSULATED OR
OTHERWISE TREATED TO MAINTAIN THE REQUIRED STC. UNIT ENTRY DOORS SHALL BE TIGHT FITTING TO THE FRAME AND SILL.
UNIT ENTRY DOOR ASSEMBLIES SHALL HAVE A STC OF NOT LESS THAN 28. SBC 1207.2.
2 STRUCTURE -BORNE SOUND: FLOOR/CEILING ASSEMBLIES SEPARATING DWELLING UNITS FROM EACH OTHER OR FROM PUBLIC
OR SERVICE AREAS SHALL HAVE AN IMPACT INSULATION CLASS (IOC) RATING OF NOT LESS THAN 50 (45 IF FIELD TESTED) PER
3 JOINTS IN THE PERIMETER OF WALLS OR FLOOR/CEILING ASSEMBLIES SEPARATING DWELLING UNITS FROM EACH OTHER OR
FROM PUBLIC OR SERVICE AREAS SHALL BE ACOUSTICALLY SEALED WITH A PERMANENT RESILIENT MATERIAL APPROVED FOR
SUCH PURPOSE. CONDUITS, DUCTS, PIPES AND VENTS WITHIN SUCH WALL OR FLOOWCEILIN6 ASSEMBLIES CAUSING
VIBRATION SHALL BE REASONABLY ISOLATED FROM THE BUILDING CONSTRUCTION AT POINTS OF SUPPORT. ALL OPENINGS
THROUGH WHICH SUCH ITEMS PASS SHALL HAVE THE EXCESS OPENING FULLY SEALED. SBC 1207.3.
4 ELECTRICAL OUTLET BOXES SHALL NOT BE PLACED BACK-TO-BACK AND SHALL BE OFFSET BY NOT LESS THAN 12 INCHES FROM
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OUTLETS IN THE OPPOSITE WALL SURFACE. THE BAC AND SIDES OF BOXES SHALL BE SEALED WITH 18 RESILIENT SEALANT
K
AND BACKED BY AT LEAST 2" THICK MATERIAL FIBER INSULATION. SBC 1207.3.
5 SPACES OR SHAFTS CONTAINING AIR CONDITIONING, REFRIGERATION OR VENTILATING EQUIPMENT, ELEVATOR MACHINERY, OR
OTHER MECHANICAL EQUIPMENT SHALL BE SEPARATED BOTH VERTICALLY AND HORI7_ONTALLY FROM ADJOINING DWELLING
UNITS BY CONSTRUCTION DESIGNED TO PROVIDE A MINIMUM STC RATING OF 50. SBC 1207.6.
6 DESIGN AND MATERIALS FOR SOUND TRANSMISSION CONTROL SHALL NOT IMPAIR THE FIR;= -RESISTANT INTEGRITY OF
SEPARATING WALLS OR FLOOR/CEILING ASSEMBLIES.
a. ASSEMBLIES SEPARATING DWELLING UNITS SHALL PROVIDE:
b. AT WALLS: AIRBORNE SOUND INSULATION AT STC 45 (OR MORE) PER, ASTM E 90.
c. AT FLOOR -CEILING AIRBORNE AND IMPACT SOUND INSULATION AT AN "IMPACT INSULATION CLASS" (IIC) OR MIN. 50 PER
ASTM E 492
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A PERMANENT CERTIFICATE SHALL BE COMPLETED AND POSTED ON OR WITHIN THREE FEET OF THE ELECTRICAL DISTRIBUTION
PANEL BY THE BUILDER OR REGISTERED DESIGN PROFESSIONAL. THE CERTIFICATE SHALL BE COMPLETED BY THE BUILDER OR
REGISTERED DESIGN PROFESSIONAL AND SHALL NOT COVER OR OBSTRUCT THE VISIBILITY OF THE CIRCUIT DIRECTORY LABEL,
SERVICE DISCONNECT LABEL OR OTHER REQUIRED LABELS. THE CERTIFICATE SHALL LIST THE PREDOMINANT RVALUES OF
INSULATION INSTALLED IN OR ON CEILING/ROOF, WALLS, FOUNDATION (SLAB, BELOW -GRADE WALL, AND/OR FLOOR) AND DUCTS
OUTSIDE CONDITIONED SPACES; U-FACTORS FOR FENESTRATION AND THE RESULTS FROM ANY REQUIRED DUCT SYSTEM AND
BUILDING ENVELOPE AIR LEAKAGE TESTING DONE ON THE BUILDING. WHERE THERE IS MORE THAN ONE VALUE FOR EACH
COMPONENT, THE CERTIFICATE SHALL LIST THE VALUE COVERING THE LARGEST AREA. THE CERTIFICATE SHALL LIST THE TYPES
AND EFFICIENCIES OF HEATING, COOLING AND SERVICE WATER HEATING EQUIPMENT.
I R402.4.3 AIR LEAKAGE OF FENESTRATION. WINDOWS, SKYLIGHTS AND SLIDING GLASS DOORS SHALL HAVE AN AIR
INFILTRATION RATE OF NO MORE THAN 0.3 CFM PER SQUARE FOOT (I .5 L/S/M2), AND SWINGING DOORS NO MORE THAN 0.5
CFM PER SQUARE FOOT (2.G US/M2), WHEN TESTED ACCORDING TO NFRC 400 OR AAMAMlDMA/CSA I01/I.S.2/A440 BY AN
ACCREDITED, INDEPENDENT LABORATORY AND LISTED AND LABELED BY THE MANUFACTURER.
2 R402.4.4 RECESSED LIGHTING. RECESSED LUMINAIRES INSTALLED IN THE BUILDING THERMAL ENVELOPE SHALL BE TYPE IC -
RATED AND CERTIFIED UNDER ASTM E283 AS HAVING AN AIR LEAKAGE RATE NOT MORE THAN 2.0 CFM (0.944 L/S) WHEN
TESTED AT A I .57 PSF (75 PA) PRESSURE DIFFERENTIAL AND SHALL HAVE A LABEL ATTACHED SHOWING COMPLIANCE WITH
THIS TEST METHOD. ALL RECESSED LUMINAIRES SHALL BE SEALED WITH A GASKET OR CAULK BETWEEN THE HOUSING � THE
INTERIOR WALL OR CEILING COVERING.
3 502.4.5 BUILDING AIR LEAKAGE TESTING: BUILDING ENVELOPE AIR LEAKAGE CONTROL SHALL BE CONSIDERED ACCEPTABLE
WHEN TESTED TO HAVE AN AIR LEAKAGE TO NOT EXCEED 5 AIR CHANGES /HOUR WHEN TESTED WITH A BLOWER DOOR AT A
PRESS OF 50 PASCALS (0.2 INCH W.G.). TESTING SHALL OCCUR AT ANY TIME AFTER ROUGH IN � AFTER INSTALLATION OF
PENETRATIONS OF THE BUILDING ENVELOPE, INCLUDING PENETRATIONS FOR UTILITIES, PLUMBING, ELECTRICAL, VENTILATION �
COMBUSTION APPLIANCES � SEALING THEREOF. WHEN REQUIRED BY THE BUILDING OFFICIAL, THE TEST SHALL BE CONDUCTED
IN THE PRESENCE OF DEPARTMENT STAFF. THE BLOWER DOOR TEST RESULTS SHALL BE RECORDED ON THE CERTIFICATE
REQUIRED IN SECT. 105.4.
EXCEPTIONS:
I .ADDITIONS LESS THAN 500 SQUARE FEET.
2. ONCE VISUAL INSPECTION HAS CONFIRMED THE PRESENCE OF A GASKET (SEE SECTION 502.4}, OPERABLE WINDOWS AND
DOORS MANUFACTURi=D BY SMALL BUSINESS SHALL BE PERMITTED TO BE SEALED OFF AT THE FRAME PRIOR TO THE TEST.
3. SPECIFIC LEAKAGE AREA (SLA) SHALL BE CALCULATED AS FOLLOWS: SLA = (CFM50 X 0.055}!(CFAX 144). WHERE:
4. CFM50 =BLOWER DOOR FAN FLOW AT 50 PASCAL PRESSURE DIFFERENCE
5. CFA =CONDITIONED FLOOR AREA OF THE HOUSING UNIT
DURING TESTING:
I .EXTERIOR WINDOWS AND DOORS, FIREPLACE AND STOVE DOORS SHALL BE CLOSED, BUT NOT SEALED.
2. DAMPERS SHALL BE CLOSED, BUT NOT SEALED; INCLUDING EXHAUST, INTAKE, MAKEUP AIR, BACK DRAFT; AND FLUE
DAMPERS;
3. INTERIOR DOORS CONNECTING CONDITIONED SPACES SHALL BE OPEN; ACCESS HATCHES TO CONDITIONED CRAWL SPACES
AND CONDITIONED ATTICS SHALL BE OPEN; DOORS CONNECTING TO UNCONDITIONED SPACES SHALL BE CLOSED BUT NOT
SEALED;
4. EXTERIOR OPENINGS FOR CONTINUOUS OPERATION VENTILATION SYSTEMS AND HEAT RECOVERY VENTILATORS SHALL BE
CLOSED AND SEALED;
5. HEATING AND COOLING SYSTEMS) SHALL BE TURNED OFF;
G. I-IVAC DUCTS SUPPLY AND RETURN REGISTERS SHALL NOT BE SEALED.
A WRITTEN REPORT OF THE TEST RESULTS SHALL BE SIGNED BY THE TESTING PARTY AND PROVIDED TO THE BUILDING
INSPECTOR PRIOR TO CALL FOR FINAL INSPECTION.
R403 DUCTS � PIPING
• DUCTS AND AIR HANDLERS SHALL BE IN ACCORDANCE WITH SECTIONS R403.2. I THROUGH R403.2.3.
• R403.2. I INSULATION (PRESCRIPTIVE). DUCTS SHALL BE INSULATED TO A MINIMUM OF R-8.
EXCEPTION: DUCTS OR PORTIONS THEREOF LOCATED COMPLETELY INSIDE THE BUILDING THERMAL ENVELOPE. DUCTS LOCATED
IN CRAWL SPACES DO NOT QUALIFY FOR THIS EXCEPTION.
• R403.2.2 SEALING (MANDATORY). DUCTS., AIR HANDLERS, AND FILTER BOXES SHALL BE SEALED. JOINTS AND SEAMS SHALL
COMPLY WITH EITHER THE INTERNATIONAL MECHANICAL CODE OR INTERNATIONAL RESIDENTIAL CODE, AS APPLICABLE.
• EXCEPTIONS:
I AIR -IMPERMEABLE SPRAY FOAM PRODUCTS SHALL BE PERMITTED TO BE APPLIED WITHOUT ADDITIONAL JOINT SEALS.
2 WHERE A DUCT CONNECTION IS MADE THAT IS PARTIALLY INACCESSIBLE, THREE SCREWS OR RIVETS SHALL BE EQUALLY
SPACED ON THE EXPOSED PORTION OF THE JOINT SO AS TO PREVENT A HINGE EFFECT.
3 CONTINUOUSLY WELDED AND LOCKING -TYPE LONGITUDINAL JOINTS AND SEAMS IN DUCTS OPERATING AT STATIC PRESSURES
LESS THAN 2 INCHES OF WATER COLUMN (500 PA) PRESSURE CLASSIFICATION SHALL NOT REQUIRE ADDITIONAL CLOSURE
SYSTEMS.
• DUCTS SHALL BE LEAK TESTED IN ACCORDANCE WITH WSU RS-33. USING THE MAXIMUM DUCT LEAKAGE RATES SPECIFIED.
DUCT TIGHTNESS SHALL BE VERIFIED BY EITHER OF THE FOLLOWING:
I POSTCONSTRUCTION TEST: TOTAL LEAKAGE SHALL BE LESS THAN OR EQUAL TO 4 CFM PER 100 SQUARE FEET OF
CONDITIONED FLOOR AREA WHEN TESTED AT A PRESSURE DIFFERENTIAL OF 0.1 INCHES W.G. (25 PA} ACROSS THE ENTIRE
SYSTEM, INCLUDING THE MANUFACTURER'S AIR HANDLER ENCLOSURE. ALL REGISTER BOOTS SHALL BE TAPED OR OTHERWISE
SEALED DURING THE TEST. LEAKAGE TO OUTDOORS SHALL BE LESS THAN OR EQUAL TO 4 CFM PER 100 SQUARE FEET OF
CONDITIONED FLOOR AREA.
2 ROUGH -IN TEST: TOTAL LEAKAGE SHALL BE LESS THAN OR EQUAL TO 4 CFM PER 100 SQUARE FEET OF CONDITIONED FLOOR
AREA WHEN TESTED AT A PRESSURE DIFFERENTIAL OF 0.1 INCHES W.G. (25 PA) ACROSS THE SYSTEM, INCLUDING THE
MANUFACTURER'S AIR HANDLER ENCLOSURE. ALL REGISTERS SHALL BE TAPED OR OTHERWISE SEALED DURING THE TEST. IF THE
AIR HANDLER IS NOT INSTALLED AT THE TIME OF THE TEST, TOTAL LEAKAGE SHALL BE LESS THAN OR EQUAL TO 3 CFM (85
L/MIN) PER 100 SQUARE FEET (9.29 M2) OF CONDITIONED FLOOR AREA.
3 EXCEPTION: THE TOTAL LEAKAGE TEST IS NOT REQUIRED FOR DUCTS AND AIR HANDLERS LOCATED ENTIRELY WETHIN THE
BUILDING THERMAL ENVELOPE. DUCTS LOCATED IN CRAWL SPACES DO NOT QUALIFY FOR THIS EXCEPTION.
• R403.2.2. I SEALED AIR HANDLER. AIR HANDLERS SHALL HAVE A MANUFACTURER'S DESIGNATION FOR AN AIR LEAKAGE OF
NO MORE THAN 2 PERCENT OF THE DESIGN AIR FLOW RATE WHEN TESTED IN ACCORDANCE WITH ASHRAE 193.
• R403.2.3 BUILDING CAVITIES (MAN DATORY).BUILDING FRAMING CAVITIES SHALL NOT BE USED AS DUCTS OR PLENUMS.
INSTALLATION OF DUCTS IN EXTERIOR WALLS, FLOORS ORCEILINGS SHALL NOT DISPLACE REQUIRED ENVELOPE INSULATION.
• R403.3 MECHANICAL SYSTEM PIPING INSULATION (MANDATORY). MECHANICAL SYSTEM PIPING CAPABLE OF CARRYING FLUIDS
ABOVE 105°F OR BELOW 55°F SHALL BE INSULATED TO A MINIMUM OF R-C.
• R403.3.1 PROTECTION OF PIPING INSULATION. PIPING INSULATION EXPOSED TO WEATHER SHALL BE PROTECTED FROM
DAMAGE, INCLUDING THAT CAUSED BY SUNLIGHT, MOISTURE, EQUIPMENT MAINTENANCE, AND WIND, AND SHALL PROVIDE
SHIELDING FROM SOLAR RADIATION THAT CAN CAUSE DEGRADATION OF THE MATERIAL. ADHESIVE TAPE SHALL NOT BE
PERMITTED.
• R403.4 SERVICE HOT WATER SYSTEMS. ENERGY CONSERVATION MEASURES FOR SERVICE HOT WATER SYSTEMS SHALL BE
IN ACCORDANCE WITH SECTIONS R403.4.1 THROUGH R403.4.3.
• R403.4. I CIRCULATING HOT WATER SYSTEMS (MANDATORY). CIRCULATING HOT WATER SYSTEMS SHALL BE PROVIDED WITH
AN AUTOMATIC OR READILY ACCESSIBLE MANUAL SWITCH THAT CAN TURN OFF THE HOT WATER CIRCULATING PUMP WHEN THE
SYSTEM IS NOT IN USE.
• R403.4.2 HOT WATER PIPE INSULATION (PRESCRIPTIVE). INSULATION FOR HOT WATER PIPE SHALL HAVE A MINIMUM THERMAL
RESISTANCE (R-VALUE) OF R-4.
R403. I TEMPERATURE CONTROL
I R403.1 CONTROLS (MANDATORY). AT LEAST ONE THERMOSTAT SHALL BE PROVIDED FOR EACH SEPARATE HEATING AND
COOLING SYSTEM.
a. R403. I . I PROGRAMMABLE THERMOSTAT. WHERE THE PRIMARY HEATING SYSTEM IS A FORCED -AIR FURNACE, AT LEAST ONE
THERMOSTAT PER DWELLING UNIT SHALL BE CAPABLE OF CONTROLLING THE HEATING AND COOLING SYSTEM ON A DAILY
SCHEDULE TO MAINTAIN DIFFERENT TEMPERATURE SET POINTS AT DIFFERENT TIMES OF THE DAY. THE THERMOSTAT SHALL
ALLOW FOR, AT A MINIMUM, A 5-2 PROGRAMMABLE SCHEDULE (WEEKDAYS/WEEKENDS) AND BE CAPABLE OF PROVIDING AT
LEAST TWO PROGRAMMABLE SETBACK PERIODS PER DAY. THIS THERMOSTAT SHALL INCLUDE THE CAPABILITY TO SET BACK OR
TEMPORARILY OPERATE THE SYSTEM TO MAINTAIN ZONE TEMPERATURES DOWN TO 55°F (13°C) OR UP TO 85°F (29°C). THE
THERMOSTAT SHALL INITIALLY BE PROGRAMMED WITH A HEATING TEMPERATURE SET POINT NO HIGHER THAN 70°F(21 °C) AND A
COOLING TEMPERATURE SET POINT NO LOWER THAN 78°F (26°C). THE THERMOSTAT AN D/OR CONTROL SYSTEM SHALL HAVE AN
ADJUSTABLE DEADBAND OF NOT LESS THAN I 0°F.
b. R403. I .2 HEAT PUMP SUPPLEMENTARY HEAT (MANDATORY). UNITARY AIR COOLED HEAT PUMPS SHALL INCLUDE CONTRCLS
THAT MINIMIZE SUPPLEMENTAL HEAT USAGE DURING START-UP, SET-UP, AND DEFROST CONDITIONS. THESE CONTROLS SHALL
ANTICIPATE NEED FOR HEAT AND USE COMPRESSION HEATING AS THE FIRST STAGE OF HEAT. CONTROLS SHALL INDICATE
WHEN SUPPLEMENTAL HEATING IS BEING USED THROUGH VISUAL MEANS (E.G., LED INDICATORS). HEAT PUMPS EQUIPPED WITH
SUPPLEMENTARY HEATERS SHALL BE INSTALLED WITH CONTROLS THAT PREVENT SUPPLEMENTAL HEATER OPERATION ABOVE
40°F. AT FINAL INSPECTION THE AUXILIARY HEAT LOCK OUT CONTROL SHALL BE SET TO 35°F OR LESS.
R404 LIGHTING � ELECTRICAL
R404.1 LIGHTING EQUIPMENT (MANDATCRY) -SEC 606 AND SEC 505. I
• INTERIOR LIGHTING: MIN. 75%OF LIGHTING FIXTURES TO BE HIGH EFFICACY (PIN -BASED)
• EXTERIOR LIGHTING :ALL LIGHTING FIXTURES TO BE HIGH EFFICACY (PIN BASED)
I ELECTRICAL WORK SHALL BE PERFORMED IN A "BIDDER -DESIGN" MANNER. THE CONTRACTOR SHALL SUBMIT SUCH SYSTEMS
SEPARATELY FOR PERMIT.
2 IT IS THE CONTRACTOR'S RESPONSIBILITY TO DESIGN SYSTEMS THAT MEET ALL REQUIREMENTS AND CODES. CONTRACTOR
SHALL SUBMIT DRAWINGS, PAY FOR, AND OBTAIN PERMIT AND PERFORM WORK IN A MANNERTHAT MEETS OR EXCEEDS THE
RECOGNIZED WORKMANSHIP STANDARDS FOR THE INDUSTRY.
3 ALL DRAWINGS ARE TO BE SUBMITTED FOR REVIEW AND APPROVAL TO THE OWNER BEFORE PERFORMING WORK. SPECIFIC
ATTENTION IS TO BE PAID REGARDING OWNER -REQUESTED LOCATIONS OF ELECTRICAL, PHONE AND COMPUTER CABLING PORT
LOCATIONS.
4 PROPER PROTECTION SHALL BE PROVIDED AROUND RECESSED LIGHT FIXTURES PER MANUFACTURER'S RECOMMENDATIONS SO
THAT OVERHEATING WILL NOT OCCUR. RECESSED LIGHT FIXTURES TO BE IC RATED.
I CLASS 1 OR II VAPOR RETARDERS ARE REQUIRED FOR INTERIORSIDE OF FRAME WALLS FOR7.ONE 4.
EXCEPTIONS:
a. BASEMENT WALLS
b. BELOW GRADE PORTION OF ANY EXTERIOR WALL.
c. CONSTRUCTION WHERE MOISTURE OR FREE7_ING WILL NOT DAMAGE THE MATERIALS.
2 CLASS III VAPOR RETARDERS SHALL BE PERMITTED WHERE ANY ONE OF THE CONDITIONS IN TABLE R601 .3. I IS MET.
3 MATERIAL VAPOR RETARDER CLASS SHALL BE BASE ON THE MANUFACTURER'S CERTIFIED TESTING ORTESTIN6 ASSEMBLY.
• THE FOLLOWING SHALL BE DEEMED TO MEET THE CLASS SPECIFIED:
• CLASS I :SHEET POLYPROPYLENE, UNPERFORATED ALUMINUM FOIL.
• CLASS II: KRAFT-FACED FIBERGLASS BATTS.
• CLASS III: LATEX OR ENAMEL PAINT.
4 VENTED CLADDING SHALL INCLUDE THE FOLLOWING MINIMUM CLEAR AIR SPACES. OTHER OPENINGS WITH THE EQUIVALENT
VENT AREA SHALL BE PERMITTED.
a. VINYL LAP OR HORIZONTAL ALUMINUM SIDING APPLIED OVER A WEATHER RESISTIVE BARRIER AS SPECIFIED IN
TABLE R703.4.
b. BRICK VENEER WITH A CLEAR AIRSPACE AS SPECIFIED IN SECTION R703.7.4.2.
c. OTHER APPROVED VENTED CLADDINGS.
I PROVIDEI/2" GYPSUM WALL BOARD FOR NON -RATED ASSEMBLIES AND 5/8" TYPE "X" GYPSUM WALL BOARD FOR I -HOUR RATED
ASSEMBLIES WITH ALL EXPOSED JOINTS AND FASTENER HEADS SMOOTH AND FLUSH WITH SURFACE OF BOARD. JOINTS TAPED
AND PREPARED FOR APPLICATION OF FINISH. USE WATER-RESISTANT BOARD AT ALL WET AREAS TO 4'-0" AFF.
2 "RECOMMENDED SPECIFICATIONS FOR THE APPLICATION AND FINISHING OF GYPSUM BOARD," LATEST EDITION, AS PUBLISHED
BY THE GYPSUM ASSOCIATION (ALSO PUBLISHED AS ANSI 97. I AND "USING GYPSUM BOARD AND CEILING," LATEST EDITION).
3 WHEN GYPSUM BOARD IS USED AS A BASE FOR TILE OR WALL PANELS FOR TUB, SHOWER OR WATER CLOSET COMPARTMENT
WALLS, WATER RESISTANT GYPSUM BACKING BOARD SHALL BE USED PER SRC SECTION R702.4.2.
. : �
APPROVED CORROSION -RESISTANT FLASHING SHALL BE APPLIED SHINGLE -FASHION IN SUCH A MANNER TO PREVENT ENTRY OF
WATER INTO THE WALL CAVITY OR PENETRATION OF WATER TO THE BUILDING STRUCTURAL FRAMING COMPONENTS. SELF
ADHERED MEMBRANES USED AS FLASHING SHALL COMPLY WITH AAMA 771 . THE FLASHING SHALL EXTEND TO THE SURFACE OF
THE EXTERIOR WALL FINISH. APPROVED CORROSION -RESISTANT FLASHINGS SHALL BE
INSTALLED AT ALL OF THE FOLLOWING LOCATIONS:
I EXTERIOR WINDOW AND DOOR OPENINGS. FLASHING AT EXTERIOR WINDOW AND DOOR OPENINGS SHALL EXTEND TO THE
SURFACE OF THE EXTERIOR WALL FINISH OR TO THE WATER -RESISTIVE BARRIER FOR SUBSEQUENT DRAINAGE.
2 AT THE INTERSECTION OF CHIMNEYS OR OTHER MASONRY CONSTRUCTION WITH FRAME OR STUCCO WALLS, WITH
PROJECTING LIPS ON BOTH SIDES UNDER STUCCO COPINGS
3 UNDERAND AT THE ENDS OF MASONRY, WOOD OR METAL COPINGS AND SILLS.
4 CONTINUOUSLY ABOVE ALL PROJECTING WOOD TRIM.
5 WHERE EXTERIOR PORCHES, DECK OR STAIRS ATTACH TO A WALL OR FLOOR ASSEMBLY OF WOOD -FRAME
CONSTRUCTION.
6 AT WALL AND ROOF INTERSECTIONS.
7 AT BUILT-IN GUTTERS.
GENERAL FLASHING NOTES
I ALL FLASHING SYSTEMS SHALL CONFORM WITH APPLICABLE CODES AND S.M.A.C.N.A. STANDARDS. ALL MATERIALS USED
SHALL BE APPROVED FOR SUCH USE. ALL METALS USED SHALL BE OF APPROPRIATE COMPOSITION AND THICKNESS. ALL
FLASHING FABRICATION SHALL BE PREFORMED BY A SMACNA APPROVED PROFESSIONAL CONTRACTOR / FABRICATOR. ALL
FLASHINGS SHALL BE REVIEW AND APPROVED BY THE PROJECT ARCHITECT PRIOR TO FABRICATION. ALL SOLDERED JOINTS
SHALL BE PRETESTED PRIOR TO FLASHING INSTALLATION.
2 DOOR AND WINDOW HEAD FLASHING: FLASHING EXTENDS UP THE WALL A MINIMUM OF 4 INCHES AND BEYOND THE OPENING A
MINIMUM OF 4 INCHES EACH SIDE. FLASHING SHALL EXTEND OUT OVER FRAME OF WINDOW OR DOOR TRIM WITH A SLOPED
SECTION HAVING END DAMS AND CONTINUE DOWN THE FACE OF FRAME ORTRIM A MINIMUM OF I/2 INCH. FLASHING SHALL
TERMINATE WITH A CLEAT OR HEMMED DRIP EDGE. ALL FLASHING SHALL BE BENT OR SOLDERED AT ALL INTERSECTIONS.
3 ONE LAYER OF SELF ADHERING FLASHING SHALL PRECEDE THE INSTALLATION OF METAL FLASHING -LAPPING WINDOW FLANGE
OR DOOR FRAME AND EXTEND ABOVE THE TOP OF METAL FLASHING I INCH AND BEYOND THE SIDES OF THE METAL FLASHING
BY ONE INCH.
4 ONCE METAL FLASHING HA5 BEEN INSTALLED A SECOND LAY OF SELF ADHERING FLASHING SHALL BE APPLIED. THIS FLASHING
SHALL LAP METAL FLASHING A MINIMUM OF 3 INCHES AND LAP UP WALL 3 INCHES AND 3 INCHES BEYOND EACH SIDE.
5 TWO LAYERS OF BUILDING PAPER OR APPROVED HOUSE WRAP SHALL THEN BE APPLIED TO EXTERIOR.
6 DOOR AND WINDOW JAMB FLASHING: JAMB FLASHING SHALL BE MADE UP OF SELF ADHERING FLEXIBLE FLASHING. THIS
FLEXIBLE FLASHING SHALL TUCK UNDER HEAD FLASHING ABOVE AND OVER SILL FLASHING BELOW. JAMB FLASHING WILL LAP
OVER EXTERIOR FACE OF WALL A MINIMUM OF 2 INCHES (OVER THE TWO LAYERS OF BUILDING PAPER AND ONE LAYER OF UN -
ADHESIVE FLEXIBLE FLASHING HAVING A MINIMUM WIDTH OF 9 INCHES.) AT WINDOWS A SECOND LAYER OF SELF ADHERING
FLEXIBLE FLASHING SHALL BE APPLIED OVER WINDOW FLANGE -LAPPING FLANGE FULLY AND EXTENDING BEYOND FIRST LAYER
OF FLASHING BY TWO INCHES HORIZONTALLY.
7 BLOCKING USE AT DOOR OR WINDOW JAMBS SHALL BE FULL DEPTH OF THE FRAME AND SLOPE TO THE EXTERIOR.
B DOOR AND WINDOW SILL FLASHING: FLASHING SILL SHALL BE SLOPED I/8 INCH PER INCH OF DEPTH TOWARD EXTERIOR. DEPTH
OF FLASHING SHALL BE INTERIOR OF WINDOW FRAME I/4 INCH TO ALLOW FOR SEALANT AT THIS LOCATION. DEPTH OF
FLASHING SHALL BE DETERMINED BY THE DEPTH OF THE DOOR THRESHOLD -WITH THE SILL FLASHING TERMINATING UNDER
THE THRESHOLD. SILL FLASHING SHALL HAVE A MINIMUM OF 5/8 INCH UP TURN DAM AT THE INTERIOR EDGE. SILL FLASHING
SHALL LAP UPSIDES OF OPENING A MINIMUM OF 2 INCHES AND OVER THE EXTERIOR FACE OF OPENING 2 INCHES -SIDES AND
BOTTOM.
I T I F T T TW YE F I I P P Y F U -
9 IT S RECOMMENDED HAT THIS S LL LASHING BE INS ALLED OVER HE O LA RS O BU LD NG A ER. ONE LA ER O N
ADHESIVE FLEXIBLE FLASHING WITH A MINIMUM HEIGHT OF 9 INCHES TO BE APPLIED TO WALL BELOW FLASHING. ONE LAYER OF
SELF ADHESIVE SHALL BE APPLIED TO WINDOW OPENING AND LAP DOWN WALL OVER FIRST LAYER OF FLEXIBLE FLASHING A
MINIMUM OF 2 INCHES.
I 0 ROOF TO WALL FLASHING: THE FLASHING MUST EXTEND UP THE WALL AND ONTO THE ROOF A MINIMUM OF 4 INCHES. NAIL
THE FLASHING PIECES TO THE ROOF SHEATHING ABOVE THE TOP OF EACH SHINGLE COURSE.
I I FLASHINGS ARE GENERALLY FORMED IN 10 FOOT SECTIONS. SECTIONS SHOULD BE LAPPED 8 INCHES MINIMUM IN THE
DIRECTION OF FLOW. THE TOP OF EACH SECTION SHOULD BE FASTENED WITH NAILS OF MATERIAL COMPATIBLE WITH THE
FLASHING.
12 ROOF VALLEY FLASHING: THE VALLEY FLASHING SHOWN ON DRAWINGS IS OF AN OPEN TYPE, WHERE SOME OF THE FLASHING
15 EXP05ED TO VIEW. THE OPEN PORTION OF THE VALLEY SHOULD BE A MINIMUM OF 5 INCHES AND THE SHINGLES SHOULD
LAP THE FLASHING A MINIMUM OF 5 INCHES (fHE FLASHING SHOULD LAP EACH SECTION OF ROOF A MINIMUM OF I O INCHES).
THE EDGES OF THE VALLEY FLASHING SHOULD BE FORMED WITH A HOOK EDGE AND CLEATED ON 24 INCH CENTERS.
13 ON ROOF PITCHES OVER 6: 12 AND ON DISSIMILAR PITCHES, INCREASE THE INVERTED VEE (`V" CRIMP) IN THE VALLEY TO 2
INCH HEIGHT.
14 FLASHINGS ARE GENERALLY FORMED IN 10 FOOT SECTIONS. SECTIONS SHOULD BE LAPPED 8 INCHES MINIMUM IN THE
DIRECTION OF FLOW. THE TOP OF EACH SECTION SHOULD BE FASTENED WITH NAILS OF MATERIAL COMPATIBLE WITH THE
FLASHING. A 30 INCH WIDE FELT IS PLACED IN THE VALLEY.
15 THE FELT IN THE VALLEY SHOULD LAP G INCHES OVER THE UPPER END OF THE VALLEY FLASHING PIECES. THE ROOFING FELT
SHOULD LAP OVER THE CLEATED EDGES OF THE FLASHING.
16 COPPER (MINIMUM 160Z.), OR STAINLESS STEEL (MINIMUM OF O.OI 8 INCHES) IS RECOMMENDED FOR VALLEY FLASHINGS.
WHERE THE EXPECTED LIFE OF THE ROOF IS LESS THAN 15 YEARS, PRE -FINISHED OR GALVANIZED STEEL (MINIMUM 24 GAGE
MAY BE USED -GALVANIZED FLASHING MUST BE PRE -PAINTED.)
17 ROOF EDGE FLASHING: THE METHOD FOR GABLE AND RAKE END FLASHING FOR A SHINGLE ROOF IS AS FOLLOWS. FLASHING IS
FORMED IN SECTIONS AND IS LAPPED IN THE DIRECTION OF FLOW. FLASHING EXTENDING 4 INCHES ON THE ROOF IS NAILED TO
THE SHEATHING 18 INCHES ON CENTER. A HEM IN THE ROOF FLANGE IS RECOMMENDED FOR SHAKE AND TILE ROOFING.
FLASHING EXTENDING A MINIMUM OF I-I/2 INCHES DOWN THE FACE OF FASCIA ENDING WITH A CONTINUOUS CLEATED OR
HEMMED DRIP EDGE. FELT IS LAPPED OVER THE FLASHINGS IN THIS APPLICATION.
18 ROOF PENETRATION FLASHING: MANY APPROVED PRE -MANUFACTURED ROOF PENETRATION FLASHINGS ARE READILY AVAILABLE
FOR A VARIETY OF ROOF PENETRATIONS. THESE SHALL BE USE FOR APPROVED LOCATIONS INTENDED BY THE MANUFACTURER
AND INSTALLED PER SPECIFICATIONS PROVIDED BY THE MANUFACTURE. IF HOWEVERA CUSTOM FLASHING IS REQUIRED FORA
ROOF PENETRATION THE FOLLOW SHALL APPLY. ASUITABLE /COMPATIBLE METAL SHALL BE USED. THE BASE FLANGE OF THE
FLASHING SHALL EXTEND ONTO THE ROOF A MINIMUM OF 4 INCHES. ALL SEAMS AND JOINTS SHALL BE FULLY SOLDERED. THE
FLASHING SHALL FORM A SHAPE THAT PREVENTS WATER INTRUSION -REFER TO S.M.A.C.N.A. STANDARDS.
. " ► ■ �� ►� ■ _1�IL�7���
M 1501 . I OUTDOOR DISCHARGE. THE AIR REMOVED BY EVERY MECHANICAL EXHAUST SYSTEM SHALL BE DISCHARGED TO THE
OUTDOORS IN ACCORDANCE WITH SECTION M 1506.3. AiR SHALL NOT BE EXHAUSTED INTO AN ATTIC, SOFFIT, RIDGE VENT OR
CRAWL SPACE. EXCEPTION: WHOLE -HOUSE VENTILATION -TYPE ATTIC FANS THAT DISCHARGE INTO THE ATTIC SPACE OF
DWELLING UNITS HAVING PRIVATE ATTICS SHALL BE PERMITTED.
M 1506.3 EXHAUST OPENINGS. AIR EXHAUST OPENINGS SHALL TERMINATE NOT LESS THAN 3 FEET (914 MM) FROM PROPERTY
LINES; 3 FEET (914 MM) FROM OPERABLE � NON -OPERABLE [MECHANICAL] OPENINGS INTO THE BUILDING � I O FEET (3048 MM)
FROM MECHANICAL AIR INTAKES EXCEPT WHERE THE OPENING IS LOCATED 3 FEET (914 MM) ABOVE THE AIR INTAKE.
[MECHANICAL] OPENINGS SHALL COMPLY WITH SECTIONS R303.5.2 AND R303.G
M 1507. I GENERAL. LOCAL EXHAUST AND WHOLE HOUSE VENTILATION SYSTEMS AND EQUIPMENT SHALL BE DESIGNED IN
ACCORDANCE WITH THIS SECTION
M 1507.2 RECIRCULATION OF AIR. EXHAUST AIR FROM BATHROOMS AND TOILET ROOMS SHALL NOT BE RECIRCULATED WITHIN
A RESIDENCE OR TO ANOTHER DWELLING UNIT AND SHALL BE EXHAUSTED DIRECTLY TO THE OUTDOORS. EXHAUST AIR FROM
BATHROOMS AND TOILET ROOMS SHALL NOT DISCHARGE INTO THE ATTIC, CRAWL SPACE AND OTHER AREAS INSIDE THE
BUILDING.
M 1507.3 WHOLE -HOUSE MECHANICAL VENTILATION SYSTEM. WHOLE -HOUSE MECHANICAL VENTILATION SYSTEMS SHALL BE
DESIGNED INACCORDANCE WITH SECTIONS M 1507.3. I THROUGH M 1507.3.7.3
M 1507.3. 1 SYSTEM DESIGNS. EACH DWELLING UNIT OR GUEST ROOM SHALL BE EQUIPPED WITH A VENTILATION SYSTEM
COMPLYING WITH SECTION M 1507.3.4, M 1507.3.5, M 1507.3.G, M 1507.3.7. COMPLIANCE IS ALSO PERMITTED TO BE
DEMONSTRATED THROUGH COMPLIANCE WITH THE INTERNATIONAL MECHANICAL CODE.
M 1507.3.2 CONTROL AND OPERATION.
I LOCATION OF CONTROLS. CONTROLS FOR ALL VENTILATION SYSTEMS SHALL BE READILY ACCESSIBLE BY THE OCCUPANT.
2 INSTRUCTIONS. OPERATING INSTRUCTIONS FOR WHOLE -HOUSE VENTILATION SYSTEMS SHALL BE PROVIDED TO THE OCCUPANT
BY THE INSTALLER OF THE 5Y5TEM.
3 LOCAL EXHAUST SYSTEMS. LOCAL EXHAUST SYSTEMS SHALL BE CONTROLLED BY MANUAL SWITCHES, HUMIDISTAT, TIMERS,
OR OTHER APPROVED MEANS
4 CONTINUOUS WHOLE -HOUSE VENTILATION SYSTEM. CONTINUOUS WHOLE -HOUSE VENTILATION SYSTEM SHALL OPERATE
CONTINUOUSLY. EXHAUST FANS, FORCED AIR SYSTEM FANS, OR SUPPLY FANS SHALL BE EQUIPPED WITH "FAN ON� A5
OVERRIDE CONTROLS. CONTROLS SHALL BE CAPABLE OF OPERATING THE VENTILATION SYSTEMS WITHOUT ENERGIZING OTHER
ENERGY CONSUMING DEVICES. A LABEL SHALL BE AFFIXED TO THE CONTROLS THAT READS "WHOLE HOUSE VENTILATION(SEE
OPERATING INSTRUCTIONS)."
5 INTERMITTENT WHOLE -HOUSE VENTILATION SYSTEMS. INTERMITTENT WHOLE -HOUSE VENTILATION SYSTEMS SHALL COMPLY
WITH THE FOLLOWING:
• 5. 1 . THEY SHALL BE CAPABLE OF OPERATING INTERMITTENTLY AND CONTINUOUSLY.
• 5.2. THEY SHALL HAVE CONTROLS CAPABLE OF OPERATING THE EXHAUST FANS, FORCED AIR SYSTEM FANS, OR SUPPLY
FANS WITHOUT ENERGIZING OTHER ENERGY- CONSUMING APPLIANCES.
• 5.3. THE VENTILATION RATE SHALL BE ADJUSTED ACCORDING TO THE EXCEPTION IN SECTION M 1507.3.3
• 5.4. THE SYSTEM SHALL BE DESIGNED SO THAT IC CAN OPERATE AUTOMATICALLY BASED ON THE TYPE OF
CONTROL TIMER INSTALLED.
• 5.5. THE INTERMITTENT MECHANICAL VENTILATION SYSTEM SHALL OPERATE AT LEAST ONE HOUR OUT OF EVERY FOUR.
• 5.6. THE SYSTEM SHALL HAVE A MANUAL CONTROL AND AUTOMATIC CONTROL, SUCH AS A 24-HOUR CLOCK TIMER.
• 5.7. AT THE TIME OF FINAL INSPECTION, THE AUTOMATIC CONTROL SHALL BE SET TO OPERATE THE WHOLE -HOUSE FAN
ACCORDING TO THE SCHEDULE USED TO CALCULATE THE WHOLE -HOUSE FAN SIZING
• 5.8. A LABEL SHALL BE AFFIXED TO THE CONTROL THAT READS WHOLE HOUSE VENTILATION (SEE OPERATING
INSTRUCTIONS). "
• M 1507.3.2. I OPERATING INSTRUCTIONS. INSTALLERS SHALL PROVIDE THE MANUFACTURERS INSTALLATION, OPERATION
INSTRUCTIONS, AND AWHOLE- HOUSE VENTILATION SYSTEM OPERATION DESCRIPTION
M 1507.3.3 MECHANICAL VENTILATION RATE. THE WHOLE -HOUSE VENTILATION SYSTEM SHALL PROVIDE OUTDOOR AIR TO EACH
HABITABLE SPACE AT A CONTINUOUS RATE AT A CONTINUOUS RATE OF NOT LESS THAN THAT DETERMINED IN ACCORDANCE
WITH TABLE M 1507.3.3(I ).
EXCEPTION: THE WHOLE -HOUSE MECHANICAL VENTILATION SYSTEM IS PERMITTED TO OPERATE INTERMITTENTLY WHERE THE
SYSTEM HAS CONTROLS THAT ENABLE OPERATION FOR NOT LESS THAN 25-PERCENT OF EACH 4-HOUR SEGMENT AND THE
VENTILATION RATE PRESCRIBED IN TABLE M 1507.3.3(I) IS MULTIPLIED BY THE FACTOR DETERMINED IN ACCORDANCE WITH
TABLE M ! 507.3.3(2).
M 1507.3.4 WHOLE -HOUSE VENTILATION USING EXHAUST FANS. THIS SECTION ESTABLISHES MINIMUM PRESCRIPTIVE
REQUIREMENTS FOR WHOLE -HOUSE VENTILATION SYSTEMS USING EXHAUST FANS. A SYSTEM WHICH MEETS ALL THE
REQUIREMENTS OF THIS SECTIONS SHALL BE DEEMED TO SATISFY THE REQUIREMENTS FOR AWHOLE- HOUSE VENTILATION
SYSTEM.
M ! 507.3.4. 1 WHOLE -HOUSE VENTILATION FANS. EXHAUST FANS PROVIDING WHOLE -HOUSE VENTILATION SHALL HAVE A FLOW
RATING AT 0.25 INCH WATER GAUGE AS SPECIFIED IN TABLE M 1507.3.3(I ). MANUFACTURER'S FANS FAN FLOW RATINGS SHALL
BE DETERMINED IN ACCORDANCE ACCORDING TO HVI 916 HOME VENTILATION INSTITUTE AIRFLOW TEST PROCEDURE OR AMCA
2 ! 0, LABORATORY METHODS OF TESTING FANS FOR CERTIFIED AERODYNAMIC PERFORMANCE RATING.
M 1507.3.4.2 FAN NOISE. WHOLE -FANS LOCATED 4 FEET (I 219.2 MM) OR LESS FROM THE INTERIOR GRILLE SHALL HAVE A
SONS RATING OF I.0 OR LESS MEASURED AT 0.1 INCHES WATER GAUGE. MANUFACTURER'S NOISE RATINGS SHALL BE
DETERMINED AS PER HVI 915 HOME VENTILATION INSTITUTE LOUDNESS TESTING AND RATING PROCEDURE. REMOTELY -
MOUNTED FANS SHALL BE ACOUSTICALLY ISOLATED FROM THE STRUCTURAL ELEMENTS OF THE BUILDING AND FROM
ATTACHED DUCTWORK USING INSULATED FLEXIBLE DUCT OR OTHER APPROVED MATERIAL.
M 1507.3.4.3 FAN CONTROLS. THE WHOLE -HOUSE VENTILATION FAN SHALL MEET THE REQUIREMENT SECTIONS M 1507.3.2
AND M 1 507.3.2. I
M 1507.3.4.4 OUTDOOR AIR INLETS. OUTDOOR AIR SHALL BE DISTRIBUTED TO EACH HABITABLE SPACE BY INDIVIDUAL
OUTDOORAIRINLETS. WHERE OUTDOOR AIR SUPPLIES ARE SEPARATED FROM EXHAUST POINTS BY DOORS, PROVISIONS SHALL
BE MADE TO ENSURE AIR FLOW BY INSTALLATION OF DISTRIBUTION DUCTS, UNDERCUTTING DOORS, INSTALLATION OF GRILLES,
TRANSOMS, OR SIMILAR MEANS. DOORS SHALL BE UNDERCUT TO A MINIMUM OF �/z INCH (91 2.7 MM) ABOVE THE SURFACE
OF THE FINISH FLOOR COVERING.
INDIVIDUAL ROOM OUTDOOR AIR INLETS SHALL:
I HAVE CONTROLLABLE AND SECURE OPENINGS;
2 BE SLEEVED OR OTHERWISE DESIGNED SO AS NOT TO COMPROMISE THE THERMAL PROPERTIES OF THE WALL OR WINDOW IN
WHICH THEY ARE PLACED;
3 PROVIDE NOT LESS THAN 4 SQUARE INCHES (2581 MM2) OF NET FREE AREA OF OPENING FOR EACH HABITABLE SPACE. ANY
INLET OR COMBINATION OF INLETS WHICH PROVIDE 10 CFM AT I O PASCALS ARE DEEMED EQUIVALENT TO 4 SQUARE INCHES
(258 ! MM2) OF NET FREE AREA.
4 INLETS SHALL BE SCREENED OR OTHERWISE PROTECTED FROM ENTRY BY LEAVES OROTHER MATERIAL.
5 OUTDOOR AIR INLETS SHALL BE LOCATED SO AS NOT TO TAKE AIR FROM THE FOLLOWING AREAS:
/�
ATELI E R
PROJECT
JONATHAN CASTILLO
ADDRESS
7216 SOUNDVIEW DR
EDMONDS, WA
98026
DATE
20-07-20
KA-N-02
G 3. I . CLOSER THAN 10 FEET (3048 MM) FROM AN APPLIANCE VENT OUTLET, UNLESS SUCH VENT OUTLET IS 3 FEET (914.4
MM) ABOVE THE OUTDOOR AIR INLET.
7 3.2. WHERE IT WILL PICK UP OBJECTIONABLE ODORS, FUMES OR FLAMMABLE VAPORS.
8 3.3. A HA7_ARDOUS OR UNSANITARY LOCATION
9 3.4. A ROOM OR SPACE HAVING ANY FUEL BURNING APPLIANCES THEREIN.
I O 3.5. CLOSER THAN 10 FEET (3048 MM) FROM A VENT OPENING OF A PLUMBING DRAINAGE SYSTEM UNLESS THE VENT
OPENING IS AT LEAST 3 FEET (91 4.4 MM) ABOVE THE AIR INLET.
I I 3.G. ATTIC, CRAWL SPACES, OR GARAGES.
'i•� ' •
I SECTION R806 SRC -ENCLOSED ATTICS AND RAFTER SPACES FORMED WHERE CEILINGS ARE APPLIED DIRECTLY TO THE
UNDERSIDE OF THE ROOF RAFTERS SHALL HAVE CROSS VENTILATING OPENINGS PROTECTED AGAINST THE ENTRANCE CF RAIN
OR SNOW. VENTILATING OPENINGS SHALL BE PROVIDED WITH CORROSION RESISTANT WIRE MESH, WITH I/8" (3.2MM) TO I/4"
(6.4MM) OPENINGS.
2 THE TOTAL NET FREE VENTILATION AREA SHALL BE NOT LESS THAN I/I 50 OF THE AREA OF EACH SPACE TO BE VENTILATED,
EXCEPT THAT THE AREA MAY BE I)300 PROVIDED THAT 50 TO 80 PERCENT OF THE REQUIRED VENTILATION AREA IS LOCATED IN
THE UPPER PORTION AND AT LEAST 3 FEET ABOVE SAVE OR COMIC VENTS WITH THE BALANCE BEING PROVIDED SAVE OR
CORNICE VENTS, OR IF A VAPOR RETARDER NOT EXCEEDING A I PERM RATING IS INSTALLED ON THE WARM SIDE OF THE
INSULATION. SEE CALCULATIONS IN THE DRAWINGS.
3 AT LEAST 40% AND NOT MORE THAN 50% OF THE REQUIRED VENTILATING AREA IS PROVIDED BY VENTILATORS LOCATED IN THE
UPPER PORTION OF THE ATTIC OR RAFTER SPACE.
4 UPPER VENTILATORS SHALL BE LOCATED NO MORE THAN 3 FEET BELOW THE RIDGE OR HIGHEST POINT OF THE SPACE,
MEASURED VERTICALLY, WITH THE BALANCE OF THE REQUIRED VENTILATION PROVIDED BY SAVE OR CORNICE VENTS.
WHERE THE LOCATION OF WALL OR ROOF FRAMING MEMBERS CONFLICTS WITH THE INSTALLATION OF UPPER VENTILATORS,
INSTALLATION MORE THAN 3 FEET BELOW THE RIDGE OR HIGHEST POINT OF THE SPACE SHALL BE PERMITTED.
5 EAVE BAFFLES:
FOR AIR PERMEABLE INSULATIONS IN VENTED ATTICS, A BAFFLE SHALL BE INSTALLED ADJACENT TO SOFFIT AND EAVE VENTS.
BAFFLES SHALL MAINTAIN AN OPENING EQUAL OR GREATER THAN THE SI7_E OF THE VENT. THE BAFFLE SHALL EXTEND OVER THE
TOP OF THE ATTIC INSULATION. THE BAFFLE SHALL BE PERMITTED TO BE ANY SOLID MATERIAL. WSEC.R402.2.3
C WHERE VENTS OCCUR, BAFFLING OF THE VENT OPENING SHALL BE PROVIDED SO AS TO DEFLECT THE INCOMING AIR ABOVE
THE SURFACE INSULATION. INSULATION SHALL NOT BLOCK THE FREE FLOW OF AIR. A MINIMUM OF A ONE INCH (25.4) SPACE
SHALL BE PROVIDED BETWEEN THE INSULATION AND THE ROOF SHEATHING AT THE LOCATION OF THE VENT.
■ �11� �
THERMAL INSULATION: (PRESCRIPTIVE OPTION III OF THE WSEC)
WALLS (BELOW -GRADE, EXTERIOR):
WALLS (BELOW -GRADE, INTERIOR):
WALL (ABOVE -GRADE):
HEADERS:
CEILINGS (ADVANCED FRAMING):
CEILINGS (STANDARD FRAMING):
CEILINGS (VAULTED):
FLOORS
SLAB:
SOLID DOORS:
WINDOWS � DOORS W/GLAZING:
OVERHEAD GLAZING:
R-10 RIGID INSULATION
R-2 I BATT OR RIGID INSULATION
R-2 I GATT OR RIGID INSULATION
R-10 RIGID INSULATION
R-38 GATT
R-49 GATT
ICYNENE WITH R VALUE OF 3.6 PER INCH
R-30 GATT OR RIGID INSULATION
R-10 RIGID INSULATION 24" chi PERIMETER
U-VALUE OF .20 OR BETTER
U-VALUE OF .28 OR BETTER
U-VALUE OF .50 OR BETTER
I R-VALUES ARE MINIMUMS. U-FACTORS AND SHGC ARE MAXIMUMS. WHEN INSULATION IS INSTALLED IN A CAVITY WHICH IS
LESS THAN THE LABEL OR DESIGN THICKNESS OF THE INSULATION, THE COMPRESSED R-VALUE OF THE INSULATION FROM
APPENDIX TABLE AI OI .4 SHALL NOT BE LESS THAN THE R-VALUE SPECIFIED IN THE TABLE.
2 THE FENESTRATION U-FACTOR COLUMN EXCLUDES SKYLIGHTS. THE SHGC COLUMN APPLIES TO ALL GLAZED FENESTRATION.
EXCEPTION: SKYLIGHTS MAY BE EXCLUDED FROM GLAZED FENESTRATION SHGC REQUIREMENTS IN CLIMATE ZONES I
THROUGH 3 WHERE THE SHGC FOR SUCH SKYLIGHTS DOES NOT EXCEED 0.30.
3 "10/15/21 .+TB" MEANS R-10 CONTINUOUS INSULATION ON THE EXTERIOR OF THE WALL. OR R-15 ON THE CONTINUOUS
INSULATION ON THE INTERIOR OF THE WALL, OR R-21 CAVITY INSULATION PLUS A THERMAL BREAK BETWEEN THE SLAB AND
THE BASEMENT WALL AT THE INTERIOR OF THE BASEMENT WALL. 10/I 5/21 .+TB SHALL BE PERMITTED TO BE MET WITH R-I 3
CAVITY INSULATION ON THE INTERIOR OF THE BASEMENT WALL PLUS R-5 CONTINUOUS INSULATION ON THE INTERIOR OR
EXTERIOR OF THE WALL. "10/13" MEANS R-10 CONTINUOUS INSULATION ON THE INTERIOR OR EXTERIOR OF THE HOME OR R-I 3
CAVITY INSULATION AT THE INTERIOR OF THE BASEMENT WALL. "TB" MEANS THERMAL BREAK BETWEEN FLOOR SLAB AND
BASEMENT WALL.
4 R-10 CONTINUOUS INSULATION IS REQUIRED UNDER HEATED SLAB ON GRADE FLOORS. SEE R402.2.9. I .
5 THERE ARE NO SHGC REQUIREMENTS IN THE MARINE ZONE.
6 BASEMENT WALL INSULATION IS NOT REQUIRED IN WARM -HUMID LOCATIONS AS DEFINED BY FIGURE R301 .I AND TABLE
R301.1.
7 RESERVED.
8 FIRST VALUE IS CAVITY INSULATION, SECOND IS CONTINUOUS INSULATION OR INSULATED SIDING, SO "I 3.+5" MEANS R-I 3
CAVITY INSULATION PLUS R-5 CONTINUOUS INSULATION OR INSULATED SIDING. IF STRUCTURAL SHEATHING COVERS 40
PERCENT OR LESS OF THE EXTERIOR, CONTINUOUS INSULATION R-VALUE SHALL BE PERMITTED TO BE REDUCED BY NO MORE
THAN R-3 IN THE LOCATIONS WHERE STRUCTURAL SHEATHING IS USED TO MAINTAIN A CONSISTENT TOTAL SHEATHING
THICKNESS.
9 THE SECOND R-VALUE APPLIES WHEN MORE THAN HALF THE INSULATION IS ON THE INTERIOR OF THE MASS WALL.
I 0 FOR SINGLE RAFTER- ORJOIST-VAULTED CEILINGS. THE INSULATION MAY BE REDUCED TO R-38.
I I INT. (INTERMEDIATE FRAMING) DENOTES STANDARD FRAMING 16 INCHES ON CENTER WITH HEADERS INSULATED WITH A
MINIMUM CF R-10 INSULATION.
12 LOG AND SOLID TIMBER WALLS WITH A MINIMUM AVERAGE THICKNESS OF 3.5 INCHES ARE EXEMPT FROM THIS INSULATION
REQU I REM ENT.
TABLE R402.4. I . I
AIR BARRIER AND INSULATION •INSTALLATION COMPONENT CRITERIA (A)
AIR BARRIER AND THERMAL BARRIER A •AIR BARRIER AND THERMAL BARRIER A CONTINUOUS AIR BARRIER SHALL BE
INSTALLED IN THE BUILDING ENVELOPE. EXTERIOR THERM AL ENVELOPE CONTAINS
A CONTINUOUS AIR BARRIER. BREAKS OR JOINTS IN THE AIR BARRIER SHALL BE
SEALED. AIR PERMEABLE INSULATION SHALL NOT BE USED AS A SEALING
MATERIAL.
CAVITY INSULATION •CAVITY INSULATION INSTALLATION 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 WILL SHOW NO VOIDS OR GAPS AND MAINTAIN AN EVEN DENSITY
FOR THE ENTIRE CAVITY. BATT INSULATION SHALL BE INSTALLED IN THE
RECOMMENDED CAVITY DEi�H. WHERE AN OBSTRUCTION IN THE CAVITY DUE TO
SERVICES, BLOCKING, BRACING OR OTHER OBSTRUCTION EXISTS; THE BATT
PRODUCT WILL BE CUT TO FIT THE REMAINING DEPTH OF THE CAVITY. WHERE THE
BATT IS CUT 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 MANUFACTURERS' DENSITY RECOMMENDATION.
CEILING/ATTIC •CEILING/ATTIC THE AIR BARRIER IN ANY DROPPED CEILING/SOFFIT SHALL BE
ALIGNED WITH THE INSULATION AND ANY GAPS IN THE AIR BARRIER SEALED.
ACCESS OPENINGS, DROP DOWN STAIR OR KNEE WALL DOORS TO
UNCONDITIONED ATTIC SPACES SHALL BE SEALED. BATT INSULATION INSTALLED
IN ATTIC ROOF ASSEMBLIES MAY BE COMPRESSED AT EXTERIOR WALL LINES TO
ALLOW FOR REQUIRED ATTIC VENTILATION.
WALLS •WALLS CORNERS AND HEADERS SHALL BE INSULATED AND THE JUNCTION OF
THE FOUNDATION AND SILL PLATE SHALL BE SEALED. THE JUNCTION OF THE TOP
PLATE AND TOP OF EXTERIOR WALLS SHALL BE SEALED. EXTERIOR THERMAL
ENVELOPE INSULATION FOR FRAMED WALLS SHALL BE INSTALLED IN
SUBSTANTIAL CONTACT AND CONTINUOUS ALIGNMENT WITH THE AIR BARRIER.
KNEE WALLS SHALL BE SEALED.
WINDOWS, SKYLIGHTS AND DOORS WINDOWS, SKYLIGHTS AND DOORS THE SPACE BETWEEN WINDOW/DOOR
JAMBS AND FRAMING AND SKYLIGHTS AND FRAMING SHALL BE SEALED.
RIM JOISTS I •RIM JOISTS RIM JOISTS SHALL BE INSULATED AND INCLUDE THE AIR BARRIER.
FLOORS (INCLUDING ABOVE -GARAGE AND INSULATION SHALL BE INSTALLED TO MAINTAIN PERMANENT CONTACT WITH
CANTILEVERED FLOORS) UNDERSIDE OF SUBFLOOR DECKING. THE AIR BARRIER SHALL BE INSTALLED AT
ANY EXPOSED EDGE OF INSULATION.
CRAWL SPACE WALLS CRAWL SPACE WALLS WHERE PROVIDED IN LIEU OF FLOOR INSULATION,
INSULATION SHALL BE PERMANENTLY ATTACHED TO THE CRAWLSPACE WALLS.
EXPOSED EARTH IN UN VENTED CRAWL SPACES SHALL BE COVERED WITH A CLASS
I VAPOR RETARDER WITH OVERLAPPING JOINTS TAPED.
SHAFTS, PENETRATIONS SHAFTS, PENETRATIONS DUCT SHAFTS, UTILITY PENETRATIONS, AND FLUE
SHAFTS OPENING TO EXTERIOR OR UNCONDITIONED SPACE SHALL BE SEALED.
NARROW CAVITIES NARROW CAVITIES BATTS IN NARROW CAVITIES SHALL BE CUT TO FIT AND
INSTALLED TO THE CORRECT DENSITY WITHOUT 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 •GARAGE SEPARATION AIR SEALING SHALL BE PROVIDED BETWEEN THE GARAGE
AND CONDITIONED SPACES.
RECESSED LIGHTING RECESSED LIGHTING RECESSED LIGHT FIXTURES INSTALLED IN THE BUILDING
THERMAL ENVELOPE SHALL BE AIR TIGHT, IC RATED, AND SEALED TO THE
DRYWALL.
PLUMBING AND WIRING PLUMBING AND WIRING BATT INSULATION SHALL BE CUT NEATLY TO FIT
AROUND WIRING AND PLUMBING IN EXTERIOR WALLS. THERE SHALL BE NO VOIDS
OR GAPS OR COMPRESSION WHERE CUT TO FIT. INSULATION THAT ON
INSTALLATION READILY CONFORMS TO AVAILABLE SPACE SHALL EXTEND BEHIND
PIPING AND WIRING.
SHOWER�I"UB SHOWER,(fUB ON EXTERIOR WALL EXTERIOR WALLS ADJACENT TO SHOWERS
AND TUBS SHALL BE INSULATED AND THE AIR BARRIER INSTALLED SEPARATING
THEM FROM THE SHOWERS AND TUBS.
ELECTRICAUPHONE BOX ON EXTERIOR WALLS ELECTRICAUPHONE BOX ON EXTERIOR WALLS THE AIR BARRIER SHALL BE
INSTALLED BEHIND ELECTRICAL OR COMMUNICATION BOXES OR AIR SEALED
BOXES SHALL BE INSTALLED.
HVAC REGISTER BOOTS •HVAC REGISTER BOOTS HVAC REGISTER BOOTS THAT PENETRATE BUILDING
THERMAL ENVELOPE SHALL BE SEALED TO THE SUBFLOOR OR DRYWALL.
FIREPLACE FIREPLACE AN AIR BARRIER SHALL BE INSTALLED ON FIREPLACE WALLS.
....FIREPLACES SHALL HAVE GASKETED DOORS
U.L. APPROVED APPLIANCES INSTALLED PER THE MANUFACTURER'S INSTALLATION INSTRUCTIONS, UPC, � IMC. AUTO SHUTOFF
SWITCH REQUIRED FOR GAS OR PROPANE.
INSTALL WATER HEATER ON A GALVANIZED STEEL PAN WITH DRAIN PER UPC. SET ELECTRIC WATER HEATER ON R-10
INCOMPRESSIBLE INSULATED BASE IF INSTALLED IN AN UNHEATED AREA OR ON A CONCRETE SLAB.
INSTALL SEISMIC STRAPS WITHIN TOP I /3 AND BOTTOM I/3 (4" MINIMUM ABOVE CONTROLS).
PROVIDE PRESSURE RELIEF LINE TO EXTERIOR. FOR FUEL FIRED APPLIANCES, PROVIDE 2 SCREENED COMBUSTION INLETS, ONE
WITHIN 12" OF CEILING � ONE WITHIN 12" OF FLOOR,
WITH A MINIMUM NET FREE AREA OF I SQ. IN. PER 4,000 BTU/H OF TOTAL INPUT RATING OF ALL APPLIANCES IN THE
ENCLOSURE.
INSTALL FUEL -FIRED APPLIANCES IN SEALED ENCLOSURE WITH A WEATHERSTRIPPED SOLID SELF -CLOSING DOOR. ENCLOSURE
NOT TO BE USED FOR OTHER PURPOSES.
M 130�.2
I ANCHORAGE AND STRAPPING SHALL BE DESIGN TO RESIST A HORIZONTAL FORCE EQUAL TO ONE-THIRD OF THE OPERATING
WEIGHT OF THE WATER HEARET STORAGE TANK, ACTING IN ANY HORIZONTAL DIRECTION. STRAPPING SHALL BE AT POINT WITHIN
THE UPPER ONE-THIRD AND LOVER ONE-THIRD OF THE APPLIANCE'S VERTICAL DIMENSIONS. AT THE LOWER POINT, THE
STRAPPING SHALL MAINTAIN A MINIMUM DISTANCE OF 4 INCHES (I 02MM) ABOVE THE CONTROLS.
2 THE ANCHORAGE STRAPPING SHALL BE IN ACCORDANCE WITH THE APPLIANCE MANUFACTURER'S RECOMMENDATIONS.
ADU NOTES
20.21 .030 CRITERIA FOR ATTACt1ED ACCESSORY DWELLING UNITS.
NUMBER OF UNITS. ASINGLE-FAMILY DWELLING MAY HAVE NO MORE THAN ONE ACCESSORY DWELLING UNIT PER LOT.
I SIZE. IN NO CASE SHALL AN ACCESSORY DWELLING UNIT BE (I) LARGER THAN 40 PERCENT OF THE LIVABLE FLOOR AREA OF
THE PRINCIPAL DWELLING, (2) NOR MORE THAN 800 SQUARE FEET, (3) NOR HAVE MORE THAN TWO BEDROOMS; PROVIDED, IF
THE ACCESSORY DWELLING UNIT IS COMPLETELY LOCATED ON A SINGLE FLOOR, THE PLANNING MANAGER MAY ALLOW
INCREASED S17_E UP TO 50 PERCENT OF THE FLOOR AREA OF THE PRINCIPAL DWELLING IN ORDER TO EFFICIENTLY USE ALL
FLOOR AREA, SO LONG AS ALL OTHERSTANDARDS SET FORTH IN THIS CHAPTER ARE MET.
2 LOCATION AND APPEARANCE. THE SINGLE-FAMILY APPEARANCE AND CHARACTER OF THE RESIDENCE SHALL BE MAINTAINED
WHEN VIEWED FROM THE SURROUNDING NEIGHBORHOOD. THE DESIGN OF THE ACCESSORY DWELLING UNIT SHALL BE
INCORPORATED INTO THE DESIGN OF THE PRINCIPAL DWELLING UNIT AND SHALL BE DESIGNED TO MAINTAIN THE
ARCHITECTURAL DESIGN, STYLE, APPEARANCE AND CHARACTER OF THE MAIN BUILDING AS ASINGLE-FAMILY RESIDENCE USING
MATCHING MATERIALS, COLORS, WINDOW STYLE, AND ROOF DESIGN. THE PRIMARY ENTRANCE TO THE ACCESSORY DWELLING
UNIT SHALL BE LOCATED IN SUCH A MANNER AS TO BE UNOBTRUSIVE WHEN VIEWED FROM THE STREET. WHENEVER POSSIBLE,
NEW ENTRANCES SHOULD BE PLACED AT THE SIDE OR REAR OF THE BUILDING. ONLY ONE ELECTRIC AND ONE WATER METER
SHALL BE ALLOWED FOR THE ENTIRE BUILDING, SERVING BOTH THE PRIMARY RESIDENCE AND THE ACCESSORY DWELLING UNIT.
ACCESSORY DWELLING UNITS MUST BE LOCATED WITHIN OR ATTACHED TO SINGLE-FAMILY DWELLING UNITS.
3 PARKING. ONE OFF-STREET PARKING SPACE IN ADDITION TO THE PARKING SPACES NORMALLY REQUIRED FOR THE PRINCIPAL
DWELLING SHALL BE REQUIRED TO BE PROVIDED FOR THE ACCESSORY DWELLING UNIT, BUT IN NO EVENT LESS THAN THREE
SPACES PER LOT.
4 SAFETY, LIGHT, VENTILATION, FLOOR AREA AND SIMILAR FACTORS. ACCESSORY DWELLING UNITS SHALL COMPLY WITH
ALL APPLICABLE REQUIREMENTS OF THE UNIFORM HOUSING CODE AND THE UNIFORM BUILDING CODE ADOPTED BY ECDC
TITLE 19 AND SHALL COMPLY IN ALL RESPECTS WITH THE PROVISIONS OF THE EDMONDS COMMUNITY DEVELOPMENT CODE.
NO PERMIT FOR AN ACCESSORY DWELLING UNIT SHALL BE ISSUED TO A NONCONFORMING STRUCTURE UNLESS THAT
STRUCTURE IS BROUGHT INTO CONFORMANCE WITH THE THEN CURRENT PROVISIONS OF THIS CODE.
16.20.050 SITE DEVELOPMENT STANDARDS -ACCESSORY BUILDINGS.
GARAGES OR OTHER ACCESSORY BUILDINGS ATTACHED BY A BREEZEWAY., HALLWAY, OR OTHER SIMILAR CONNECTION TO THE
MAIN BUILDING WHICH RESULTS IN A SEPARATION EXCEEDING 10 FEET IN LENGTH MAY NOT EXCEED THE 15-FOOT HEIGHT
LIMIT. THE SEPARATION SHALL BE DETERMINED BY THE MINIMUM DISTANCE BETWEEN THE OUTSIDE WALLS OF THE MAIN
BUILDING AND ACCESSORY BUILDING, EXCLUSIVE OF THE CONNECTING STRUCTURE.
/�
ATELI E R
PROJECT
JONATHAN CASTILLO
ADDRESS
7216 SOUNDVIEW DR
EDMONDS, WA
98026
DATE
20-07-20
KA-N-03
N3
SH EARINALL SCHEDULE
Notes apply as called out in table below.
1 Anchor bolts embedded at least 7", ar expansion anchors embedded at least 4". See detail SWB.
2 �MASAP can be installed instead of sill bolts with washers. When replacing'Iz"f� sill bolt use 7-10dx1'Ia"
nails (minimum nailing} and when replacing s/a"0 sill bolts use 9-lddxi'/z" nails (maximum nailing}.
4 See detail SWR Letter designations a & b refer to specific conditions. For gable -end roof connections
see detail SWF
5 See detail SWB
SHEAR FLOW CaNNECTIaNS � SPACING
S
5IL1.-TD _
FLOOR-TD-
ROOF -TO -
WALL BASE PLATE
CALL
FOUNDATION 1, Z
SILL &WALL
WALL 4
5
❑UT
5/8"0 @ 60"ac ar
�Hi @
16d @ 10"oc
A
�12"0 60"oc
24"oc 4a
5/8"0 @ 60"ac ar
_
�LS5fl @
15d @ 6"4C
�/2 "!� @ 40"ac
36"oc 4b
HOEDOWN SCHEDULE
WALL SHEATHING
CALL
OUT
SHEATHING
THICKNESS
EDGE
NAILS
5
7116"
8d @ 6"ac
1 Deepen the foundation as needed to provide the required holdown embedment into the foundation wall.
See Detail MHE
2 Fasten to the end framing members of the shearwall, u.n.o.
3 FOUNDATION ANCHOR may be extended with threaded rod and coupler as required.
4 Provide the minimum embedment and edge distances specified by the manufacturer.
5 Attach to (2} 2x studs minimum (lamination connection same as WALL BASE PLATE; stagger nails], u.n.o.
6 See detail HDN for insta Ilation.
HOEDOWN 1 STRAP
FOUNDATION
1, 2, 4, 6
FASTENERS 5
ANCHOR 1, 3, 4, 6
COMMENTS
*HTT5
26-10d
s1a"O T.R.
8" min embed with SET epoxy in
6" min thick fdn wall
CODE All conditions, materials and construction shall conform to the code specified in the DESIGN CRITERIA, or
other codes required by the governing jurisdiction.
BUILD�IG ENVELOPE Through maintenance and current best practices, provide a building envelope that will
preserve the integrity of the structure throughout it's lifetime. Any reference to envelope related materials or
methodology shall not be interpreted as a specification by this office.
�T6PECTIONS Notify Building Department for inspections required by local jurisdiction.
SOAS Bearing capacity of soil shall be per DESIGN CRITERIA or greater. Footing shall bear on solid undisturbed
level soil devoid of any organic material and below indicated frost line.
COMPACTED FILL shall consist of predominately Well -Graded, granular soil, free of organic material and
debris. Fill should be placed in maximum 8" loose lifts and compacted to a minimum of 95 percent
of the maximum density at optimum moisture content determined by ASTM D-1557 test procedures.
BACIQILL shall be free draining and without organic material and debris from one of the following soil
classes SM-SC, SM, SP, SW, GC, GM, GP, and GW.
FOUNDATIONS AND RETAINLNG WALLS Extend footings to undisturbed bearing soil. Do not backfill until all
slabs and/or horizontal diaphragms are constructed, otherwise provide temporary bracing to resist movement.
There shall be no machine compaction on the retaining side of the structure for a distance equivalent to 2/3rds
the wall height.
SAL PLATES Use pressure treated 2x plates u.n.o. Embed anchor bolts at least 7" (expansion anchors
4"). Use 3"x3"x0.229" washers. There shall be a minimum of two bolts per piece spaced not more than 6
feet apart, with one bolt located not more than 12" or less than 4" from each end of each piece.
CONCRErE f c = 3000 psi minimum for environmental exposure (2500 psi used in structural design, or
unless greater psi indicated on the plans). 5 1/2 sacks of cement per cubic yard of concrete and a maximum
of 6 gallons of water per 94 Ib sack of cement. Maximum slump is 4". Segregation of materials shall be
prevented through proper handling and placement.
REIf�fORC�VG STEEL #4 bars and larger shall be Grade 60 deformed bars, and #3 bars shall be
Grade 40 (u.n.o.), in accordance with ASTM A-615. Lap splices 32 bar diameters u.n.o. Welded
wire fabric shall conform to ASTM A-185 and shall be 6x6 - W1.4xW1.4. Lap one full mesh at splices.
CLEAR COVER 3" clr when cast against Earth and 2" clr in all other locations, u.n.o.
See applicable detail(s): RI
FOOT!!VG DRAINAGE Footing drainage per Building Code section 1805.4.2 &Residential Code section
R405.1.
WOOD FRAMING in contact with concrete or masonry, or exposed to weather, shall be pressure treated.
Numbers in parenthesis, IE (1-1), refer to corresponding engineering calculations.
COMECTORS AND FASTENERS Fasteners, including nuts and washers, and connectors in contact
with pressure treated wood shall be hot -dipped zinc -coated galvanized.
EXCEPTION: Plain carbon steel fasteners, including nuts and washers, in SBX/DOT and zinc borate
preservative treated wood in an interior, dry environment shall be permitted.
SOLID SAWN LUMBER shall meet the following minimum grades (u.n.o.) conforming to ��WWPA GRADING
RULES FOR WESTERN LUMBER", latest edition:
BEAMS, POSTS, RAFTERS, ]GIST
4X DF#2
2x 8 and smaller HF#2
WALL STUDS
2x HF#2
TRUSSES Manufactured trusses are a deferred submittal item designed per CODE section 2303.4 and shall
be designed for all loads and load combinations per the CODE. All connections per manufacturer, u.n.o.
If truss layout is changed by manufacturer, please notify this office.
See applicable detail(s): GEB
OVER -FRAMING Unless noted otherwise by truss manufacturer, overframe with 2x4 rafters @ 24" oc.
Post down w/ 2x4 @ 48" oc, staggered. Brace posts over 6'-0" tall perpendicular to wide face.
WALL FRAMAVG &BEARING Walls shall be 2x studs at 16"oc max with double 2x top plate, and 2x base
plate (exterior walls shall be 2x6 u.n.o. &interior walls shall be 2x4 u.n.o.).
Block all supports solid to the foundation.
See applicable detail(s): BHS TPS
BEAM PENETRATIONS Allowable beam penetrations shall be made in the middle third of the span and the
middle third of the depth. Contact this office for any penetration outside the allowable area.
See applicable detail(s): BP POF
WOOD SHRINKAGE All plumbing including water, gas, waste, and roof drainage shall be installed with
shrinkage is considered to be 3/8" to 1/2" per story. Joints are to be clearly shown on shop drawings and
are to be submitted to the architect engineer for review prior to construction.
GENERAL STRUCTURAL NOTES continued
WOOD STRUCTtR2AL PANELS shall meet the performance standards of the "APA" DOC PS1 and PS2 for their
intended application (group 5 species not allowed).
SHEARWALL.S are indicated on the plans with a bold dashed line and labeled SW. The following letter
designation refers to the Shearwall Schedule's SHEAR FLOW CONNECTIONS /SPACING table, and the
number designation refers to the WALL SHEATHING table. Multiple combinations of letter and number
designations may be present. Wall Line numbers, shown inside triangles, refer to corresponding
engineering calculations.
Attach rated sheathing (indicated below) to 2x min STUDS spaced no more than 16"oc, u.n.o. See
Shearwall Schedule for minimum thickness and fasteners (thickness at point of fastened edges governs
shear values). All panel edges shall be blocked. Nail intermediate supports @ 12"oc. Do not penetrate
nails past flush. Install squash blocks under the ends of all shearwalls where the framing below does not
provide full bearing. Construct cripple walls same as the shearwall above, and gable -ends same as the
shearwall below.
Rated sheathing:
7/16" OSB rated with a 24/16 span rating.
1/2" CD with a 32/16 span rating.
See applicable detail(s): SWE
ROOF DIAPHRAGM Install either OSB or CD sheathing:
7/16" OSB rated sheathing with a 24/16 span rating;
panel clips required when spacing is greater than 20" oc.
1/2" CD rated sheathing with a 32/16 span rating.
Use 8' x 4' panels with long dimension perpendicular across supporting framing. Stagger panel rows
half the long dimension. Nail all boundaries and supported edges with 8d @ 6"oc and interior supports with
8d @ 12"oc, blocking not required u.n.o.
COMECTIONS and fasteners shall be per CODE Table 2304.10.1 u.n.o. The symbol,'��", indicates a hardware
connector from the most current Simpson Strong -Tie Catalog. Hardware with equivilent or greater capacities
from other manufacturers may be substituted, example you can use USP's Dual Specification Chart to make an
equivilent or greater capacity selection. Install per the manufacturer instructions.
Fasteners and hardware in contact with pressure treated wood shall be hot -dipped zinc -coated galvanized.
NAILS All nails shall be "Standard Common" size per the latest edition of the National Design Specification
for Wood Construction (NOS) u.n.o.
BOLTS All bolts and lag screws bearing in wood members shall conform to ASTM A307. Washers shall be
installed under heads and nuts of all bolts or lag screws.
HOEDOWNS See the HOEDOWN SCHEDULE.
See applicable detail(s): HDN HOC
RENDVATIONAND REMODEL Initial investigation limited to visual observations without desctructive removal of
finishes. Consistant framing is assumed throughout the structure. Field verification is necessary during
demolition. Contact this office should there be any variations from these assumptions.
IXISTING CONDTIONS Structural members and assemblies shall be as specified on plans. Existing
construction is adequate where it matches the material grades and specifications indicated. Where
existing conditions or proposed construction differs either construct as shown on plans or contact this office
to discuss options.
DEMOLITION Limit construction loading and demolition debris on existing floor systems to not exceed
existing capacity. As required, contractor shall provide temporary bracing until all permanent connections
and stiffenings have been installed.
DRY ROT Contactor shall check for and remove and repair any dry rotted member. Damaged members
shall be repaired or replaced with alike -for -like substitution unless directed otherwise by this office.
IOBSIfE SAFETY Sound Structural Solutions Inc has not been retained or compensated to provide design
and/or construction review services related to the contractor's safety precautions or to means, methods,
techniques, sequences or procedures for the contractor to perform their work. The undertaking of periodic site
visits by the ENGINEER shall not be construed as supervision of actual construction and not make him responsible
for providing a safe place for the performance of work by the contractor, subcontractors, suppliers or their
employees, or for access, visits, use work, travel, or occupancy by any person.
OWNERSHIP OF DOCUMENTS These drawings and calculations are the intellectual property of Sound Structural
Solutions Inc. These drawings may not be used in whole or in part by any person without permission of Sound
Structural Solutions Inc.
MISCELLANEOUS Contractor shall verify all dimensions and existing site and building conditions prior to
commencing any work. Do not scale drawings. Pre -fabricated items to be handled and installed per
manufacturer's recommendations.
Basic Wind Speed (3 sec gust} mph
110
Surface Roughness
B
Wind Exposure Category
B
PLAN INSTRUCTIONS
READ THIS FIRST
These plans are organized so that more detailed or specific information is found in the same
way by following the direction shown below:
GENERAL STRUCTURAL NOTES
SCHEDULES, DETAILS and PLANS will often refer to GENERAL STRUCTURAL NOTES for more
specific information.
SCHEDULES
DETAILS and PLANS will often refer to GENERAL STRUCTURAL NOTES and SCHEDULES for more
specific information.
DETAILS
PLANS will often refer to GENERAL STRUCTURAL NOTES, SCHEDULES and DETAILS for mare
specific information.
PLANS
See the SYMBOL LEGEI� as well as AIBREVL4TTONS AND ACRONYMS far other additional
information used on the PLANS. The term, TYPICAL (ar TYP}, used with a detail callout ar plan note,
indicates that the information specified shall apply in all similar conditions.
IF YnU HA IIE ANY QCIESTInNS DR CONCERNS CDNTA CT CIS IM1+9EDlA TEL Y.�
VVe can be reached immediately by phone: [4Z5) 778-10�3
For less pressing questions, email us: inbox@ssseng.00m
Please help us get tQ your plans by having this job number handy: s20�4D17
ABBREVIATIONS AND ACRONYMS
ABV ABOVE E.S. EACH SIDE O.C. ON CENTER
A.B. ANCHOR BOLT E.W. ERCH WAY P.T. PRESSURE TREATED
BLW BELOW EA 1=ACH REINF REINFORCEMENT
BL.K BLOCK E.N. EDGE NAILDVG READ REQUIRED
BLKG BLOCKING EMBED EMBEDMENT SCHED SCHEDULE
B.N. BOUNDARY NAILING IXLST IXLSTING 5iM SIMIt.AR
BTM BOTTOM FDN FOUNDATION STD STANDiRRD
BRG BEARING FLR FLOOR STRUCT STRUCTURAL
BTWN BETWEEN FRMG FRAMING 5W SHEARWALL
CLR CLEAR FTG FOOTING THRU THROUGH
CLTR COt[J=CTOR G.T. GIRDER TRUSS TYP TYPICAL
CONC CONCRETE GR GRADE U.N.O. UNLESS NOTED
CONN CONNECTION FiORI1 I-iDRI�ONTAL # OTHERWISE
CONT CONTINUOUS MAX MAXIMUM VERT VERTICAL
CTR CENTER MFG MANUFACTURED w/ WITH
DBE. DOUBLE MIN MINIMUM w/a WITHOUT
DET DETAIL o/ OVER W.W.F. WELDED WIRE FABRIC
E.E. EACH END oc ON CENTER
DESIGN CRITERIA
Governing Dade 15 IBC Risk Category II
Wind Design Data
Earthquake Design Data
Grar►ity Load Data
Raafs: loads are psf
dead Live Snow
Trusses (pitched}
■Pitches =_ 8:12
Top Chard 10 0 20
Bottom Chord 5 0 0
Sail Data
Allowable Soil Bearin 2000 sf
Seismic Importance Factor, Ie
1.00
Site Classification
D
Short Period Acceleration, SS
1.302
1-Second Acceleration S1
0.511
Seismic Design Category
p
Spectral Response Coefficient,
Sps
0.868
Spectral Response Coefficient,
501
0.511
Internal Pressure Coefficient +J-
0.18
Topographic Factor, KZF
1.fJ0
Wind Importance Factor, I
1.D0
Seismic Farce Resisting System
Table 12.2-i: A-i5
2010 Equiv. Lateral Force Procedure
Response Modification Factor, R
6.5
5.5
Transverse
Longitudinal
Seismic Response Coefficient, CS
0.134
0.134
Transverse
Longitudinal
Seismic Base Shear, V
1643
Ibs
555 Number:
52Q�t� 1
Project Narne:
7215 5ound►►iew Dr
Owner:
]vnathan Castillo
Project Location:
7216 5aund►►iew Dr
Edmvnds� WA 98�Z6
Design Professional:
ICatelier
This space reserved for
governing jurisdiction stamps
ORIGIN DATE: 6/3/2020
REVISED: ----
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555 Number:
4�6 �LS50 @SHEARWALLS 524fl4017
HTTS ROOF DIAPHRAGM
PER STRUCT NOTES PER SCHED
Z�„ ���1 Project Name:
EDGE NAILS ��SS�O�� 7215 5ound►►iew Dr
SOLID *H2,5A #H1 @ Clwner:
SHEARWALLS #H2.5A @ALL
BLKG MIN @ALL ROOF ]vnathan Castillo
HTT5- A ROOF MEMBERS
WALL MEMBERS
U.N.O. @
HDN HOEDOWNS SHEARWALLS
a b Project Location:
SHEARWALL w/ TRUSS OR RAFTER BEARING 7216 5aund►►iew Dr
N.T.s. HDNA — — Edmunds, WA 980Z6
BOUNDARY NAILS SHEATHING PER SWR SHEARWALL ROOF CONNECTIONS Design Professional:
PER NOTES NOTES STUDS PER N.T.S. CWn A ICatelier
HOEDOWN SCHED SW SHEATHING J R/1
30° MIN EDGE NAILING
2x FLAT BLK w/ 2x STUD
DBL ROW OF DIAPHRAGM PER NAILS PER
BOUNDARY NAILS STRUCT NOTES SW SCHED
WALL BASE
� PLATE CONN
TRUSS FLR RIM/BLKG
HOEDOWN (OR ROOF GABLE) SOLID BLKG OR
2x4 BRACE @ 48"oc w/ 2x STUD ANCHOR M
COLLECTOR �/-� [V
#A35 AT BTM Z � O
EDGE NAILS � '
�A35 PER
GEB GABLE -END TRUSS BRACE PROVIDE SW SCHED J � �
N.T.s. GEBA HOC HOEDOWN AT CORNER w/ OIS --WALL DOUBLE -SIDED SHEARWALLS, a � "'
PARALLEL �
N.T.S. HOCA INTERIOR SHEARWALLS, & J `� ...
EXTERIOR SHEARWALLS EXT SHEARWALLS @CANTILEVERS � z �
ROOF DIAPHRAGM SWF SHEARWALL FLOOR CONNECTIONS
`J N V
� �
BEAM & #CS16 � � �
w/ (16)1od REQUIRED STUDS N.T.S. SWFA
AS SHOWN
BEAM 2x4 WALL 2x6 WALL � z �
FOR PSL &ESL, HOLES MUST BE ROUND AND ARE LIMITED TO 2" DIA, UNLESS APPROVED BY THE ENGINEER 4x & 2-2x (SAWN)
DO NOT MAKE PENETRATIONS OR NOTCHES EXISTING 3%x (GEB) (2) 2x4 (2) 2x6 O �
MINIMUM SPACING ROOF TRUSS 3%x (MANE) WALL
IN THE SHADED AREA OF THE BEAM WITHOUT SHALL BE 2x THE PENETRATIONS IN THIS AREA DO NOT WALL BASE
6x & 3-2x (SAWN) PLATE CONN
PRIOR APPROVAL OF THE ENGINEER DIAMETER OF THE REQUIRE APPROVAL FROM THE ENGINEER WALL
5%x (GEB) (3) 2x4 (3) 2x6 PER SW SCHED DIAPHRAGM PER
LARGER HOLE 5%x(MANF) ANCH PER STRUCT NOTES �V
SW SCHED
8x (SAWN) RIM/BLKG ANCH PER �
%DEPTH 6 4x (GEB) (4) 2x4 (4) 2x6 SW SCHED �
REQD 7x (MANE) 2x SILL U,N.O, �
STUDS PER SW SCHED EDGE NAILS 2x SILL U.N,O, �
1 GIRDER TRUSS (3) 2x4 (3) 2x6 PER SW SCHED
DEPTH /DEPTH O FDN FDN X
FIRE BLOCK AT 10-FT
REQUIRED TRIMMERS �
%DEPTH 2x4 LEDGER •—
SEEARCHITECTURAL KING HEADER 2x4 WALL 2x6 WALL SHEARWALLS TO FOUNDATION SHEARWALLS TO FLOOR TO FOUNDATION
DRAWING FOR ASSEMBLY STUD HEADER 4x & 2-2x (SAWN)
BALLOON FRAMED 3%x(GLB) zx4 zx6 SWB SHEARWALL BASE PLATE &FOUNDATION CONNECTIONS
%SPAN %SPAN %SPAN WALL 3%x (MANE)
�t4 V I�,
6x & 3-2x (SAWN) N.T.S. SWBA �°�w °� � ��
SPAN � � 5/x (GEB) ---- (2) 2x6
REQD
TRIMMERS 5%x (MANE)
� a
BP BEAM PENETRATIONS TYPICAL DETAIL BFW BALLOON FRAMED WALL NOTE: BEAR BEAMS ON THE FULL WIDTH AND BREADTH OF THE MINIMUM EXTENT OF EXTENT OF � ti�
� SUPPORTS PER TABLES ABOVE UNLESS NOTED OTHERWISE ON THE PLANS SHEARWALL SHEARWALL TPS SWF SWR a � ao�zi ��° ti
N.T.S. BPAA N.T.S. CRIPPLE STUD DOUBLE TOP PLATE ���� ���x�L �����
BHS BEAM &HEADER SUPPORTS � �
N.T.S.
This space reserved for
HEADER HEADER governing jurisdiction stamps
*PSPN516 w/
SHEARWALL I BOTTOM PLATE 8-16d NAILS INTO � #PSPN516 w/
FLOOR SHEATHING TOP PLATE, E.S. #PSPN58 w i BOTTOM PLATE (8)16d EVENLY SPACED, WINDOW
16d @ 16" oc OPENING
/ FLOOR SHEATHING 8-16d NAILS INTO #pSPN58 w/ TYP U,N.O, TYP FACE NAILS BEAM
1-8d NAIL INTO � TOP PLATE, E.S.
#PSPN58 PLUMBING BASE PLATE, E.S. 1-8d NAIL INTO DISCONTINUOUS �CS16 w/,
#PSPN58 PLUMBING BASE PLATE, E.S. DBL TOP PLATE DOOR
PLUMBING SHEARWALL SHEARWALL � (13) 8d NAILS EA END ENI
PLUMBING
FLOOR O
#PSPN516 1 Z' MIN 1 Z' MIN �LOOR O O � POST
� KING STUD
NOTCH AS � #PSPN516 I MIN 2x
REQUIRED NOTCH AS
TRIMMER STUD
I REQUIRED �
DBL TOP PLATE WALL STUD, TYP WALL STUD, DBL TOP PLATE WALL STUD, TYP WALL STUD,
ELEVATION VIEW TOP PLATE NOTCH BOTTOM PLATE NOTCHp TYP � 4sPLICEN �
PLAN VIEW PLAN VIEW ELEVATION VIEW TOP PLATE NOTCH BOTTOM PLATE NOTCH
PLAN VIEW PLAN VIEW TOP PLATE SPLICE DISCONTINUOUS DBL TOP PLATE SWB SWF
4" x 4" IS THE MAXIMUM PENETRATION CRIPPLE STUD BASE PLATE � ORIGIN DATE: 6/3/2020
SHEARWALL EXTERIOR WALL OR HOLE THAT CAN BE ADDED TO A SHEARWALL
REVISED: ----
POE PENETRATION OF FRAMING TPS DOUBLE TOP PLATE SPLICE SWE SHEARWALL ELEVATION
0
0
N.T.S. N.T.S. TPSA N.T.S. DRDDD ��
0
0
N
EXISTING FDN
NEW FDN
(2) #4x16" BARS
4" EPDXY EMBED
� •.
e� � a • .
NEW FDN IS CUT AWAY HERETO
HELP ILLUSTRATE THE CONN OF
.•
THE NEW REINF TO THE
EXISTING FDN
a.
NEF NEW TO EXISTING FOUNDATION
N.T.S.
#4 CONT wlin
TOP 12"
� OF WALL
MIN FINISH GR
/ //��
18° �i
'' MIN
3" CLR
�- BRG
CONC FTG SOIL
AND REINF
NEFB
SLAB
NOTE: DEEPEN FOUNDATION AS REQUIRED TO
ACCOMODATE FOR HOEDOWN EMBEDMENTS
TEF THICKEN EDGE FOOTING
N.T.s. TEFA
TEF
� �
i i
NOTES;
-HTTS holdown
-(26) lOd nails-5/8"diameter threaded rod (A307)
-8" embed into the concrete, u.n.o.
-Simpson AT-XP epoxy
-Follow the manufacturers'specificationsfnr
installing the anchor and hardware
httn,llwww.stronatie.comloroductslanchorsystemsladhesivesladhesive
anchoring install.html#
se � ds
{min.{
an
I4 cycles
(�In'
sec�nds
(min.)
aQ
psl min.
psl min.
EPX EPDXY - HTTS RETROFIT
N.T.s. EXPB
4 SLAB ON GRADE wl
6x6 W1.4 x W1,4
12 WIDTH, TEF W W F
TYP
FOUNDATION PLAN
SYMBOL LEGEND
SLEXP
�HOLDOWN MODEL
HOEDOWN Represents holdowns which are located at the bottom of the wall where it is called out. Connections are
wall-to-wall or wall -to fdn u.n.o. Connections per the HOEDOWN SCHEDULE.
1/4" = 1'-O" DO NOT SCALE -VERIFY ALL DIMENSIONS WITH ARCHITECTURAL SHEETS PRIOR TO CONSTRUCTION
555 Number:
s2aa40i7
Project Narrre:
7215 50und►►iew Dr
Owner:
]vnathan Castillo
Project Location:
7216 50und►►iew Dr
Edmvnds� WA 98�Z6
Design Professional:
ICatelier
This space reserved for
governing jurisdiction stamps
ORIGIN DATE: 6/3/2020
REVISED: ----
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SYMBOL LEGEND SLEXP
DIAPHRAGM BOUNDARY Represents boundaries of the FLOOR DIAPHRAGM and ROOF DIAPHRAGM.
DIAPHRAGM PROJECTION Represents elements such as roof eaves, facades, and the like.
SHEARWALL Represents walls which are shearwalls and shows the extents of that wall. Connections
per the SHEARWALL SCHEDULE.
#HOEDOWN MODEL
HOEDOWN Represents holdowns which are located at the bottom of the wall where it is called out. Connections are
wall-to-wall or wall -to fdn u.n.o. Connections per the HOEDOWN SCHEDULE.
BEAM or HEADER Represents the location of a beam or header. Sizes are indicated on the plan. Grades are
indicated in the GENERAL STRUCTURAL NOTES, U.N.O. on the plan. Headers (HDR) shall be 2-2x6 (or 4x6) U.N.O.
on the plan.
JOIST, TRUSS, OR RAFTER Repetitive member symbol points in the direction of the span. The type, size and max
spacing between members will be indicated in bold type with a symbol which is representative of the layout of the
entire level.
WALL WALL WALL
LINE LINE LINE
A B C
1st FLOOR SHEARWALLS &FRAMING ABOVE
555 Number:
s2aa40i7
Project Narrre:
7215 50und►►iew Dr
Owner:
]vnathan Castillo
Project Location:
7216 50und►►iew Dr
Edmvnds� WA 98�Z6
Design Professional:
ICatelier
This space reserved for
governing jurisdiction stamps
ORIGIN DATE: 6/3/2020
REVISED: ----
0
0
0
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