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APPROVED PLN BLD-BLD2020-0840+Architectural_Plan+9.25.2020_8.43.35_AMI V4 3"1. — _ LINE OF UPPER LEVEL 2) 2x10 DF##2 (1-1 o� I o x o I SEE PAGES 30-31 OF STRUCTURAL CALCULATIONS V o O O W O J I c� I SEE STRUCTURAL PAGES _ a N J I FOR ADDITIONAL DECK o N o i FRAMING INFORMATION IL 200 DF#2 FLR JSTS ® 16"o.c. INSUL & SOFFIT POST LINE OF UPPER LEVEL SIMPSON 200 LEDGER w/ (2)#SOSY,xZh 0 16" MAX, TO EXISTING RIM SEE STRUCTURAL PAGES FOR ADDITIONAL BEAM & FRAMING INFORMATION SIMPSON LIPOST \ 4x10 OF HUCQ410-SDS \ OF S1 II JSTS ® 16"o.c. N N zgs�o N � p � N � O � GARAGE oJMJI oJLJ N N I U N N I U Z N � SEE STRUCTURAL PAGES Z N C6 W J a FOR ADDITIONAL BEAM & J¢ W J � a cn J I FRAMING INFORMATION J m W U m W U mr=05 �FNIY 4x10 COLLECTOR P.T. 44 DF#2 COL, CONNECT TO FTG. W/ SIMPSON ABU44Z AND TO BEAM ABV. W/ SIMPSON LCE4Z (TYP. OF 2 LOCS) rn � M < IoVMpO O O W O J I �UQ�� I I Cl Lu N SIMPSON LUS210 (2)2x6 HF#2 FILL w/ 2x4 STUDS & INSUL. LINEN I l� ELECTRICAL LEGEND SMOKE ALARM PER R314 & LISTED PER UL 217. INSTALL PER sA HOUSEHOLD WARNING PROVISIONS OF NFPA 72 & PER MFGR. SPECS. 110V HOUSEHOLD CURRENT WITH BATTERY BACKUP. INTERCONNECT EACH BEDROOM AND LEVEL. WA STATE AMENDMENT R315.1 CARBON MONOXIDE ALARM. Co INSTALL OUTSIDE OF EACH SEPARATE SLEEPING AREA IN THE IMMEDIATE VICINITY OF THE BEDROOM. 50 G 50 CFM MIN. EXHAUST FAN - VENT TO EXTERIOR. BASE CAB W/ DEEP SINK &UPPERS r------------------------------------------� SLIDE APPL'S TO LEFT I _ EXISTING WATER HEATER, WHEREVER I = w LOCATED IN HOUSE, MUST CONFORM TO, U__j M I . O OR BE UPDATED TO CONFORM TO WATER HEATER OPT 5a PER TABLE 406 2 --J I I I BUILDER TO VERIFY LOCATION OF I EXISTING HOT WATER HEATER AND COMPLIANCE WITH WATER HEATER OPT. I 5a PER TABLE 406.2 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I STOR. I I I I I ---------------------------------J I� I� POST I LINE OF UPPER LEVEL II II I 2x10 DF 2 FLR JSTS ® 16"o.c.-----------------------------------J il SET ON TOP OF WALL LINE OF UPPER LEVEL I 410 DF#2 (1-1) SEE PAGES 30-31 I MATCH JOIST HEIGHT OF STRUCTURAL CALCULATIONS --------------- LINE OF UPPER LEVEL ADDITIONAL LIVING ABOVE EXISTING EXISTING GARAGE LIVING ME 5'-0" VANITY 50 BATH LAUNDRY REMOVE DOOR AND sA RETURNS AT � P 9 4x4 CO BOTTOM OF STAI POST 4x 12 OFL - 01 — — REMOVE WALL AND 4x4 OPEN INTO ROOM POST — — — — — — — — — — — — — — — 4x4 FURR & FINISH AROUND \ POST HEAT DUCTING RECREATION EXISTING LOWER LIVING AREA 569 SF EXISTING UPPER LIVING AREA 1,150 SF PROPOSED UPPER ADDDITION 356 SF TOTAL NEW LIVING AREA 2,075 SF EXISTING GARAGE 249 SF LOWER FLOOR PLAN SCALE: EXISTING LOWER LIVING AREA 569 SF EXISTING GARAGE 249 SF WALL LEGEND EXISTING WALLS TO REMAIN — — - - EXISTING WALLS TO BE REMOVED NEW WALLS OF ADDITION -REMODEL BUILDER AND CLIENT ARE RESPONSIBLE TO VERIFY ALL DIMENSIONS, OVERALL HEIGHT, GROUND LEVEL, FLOOR LEVEL, PLATE HEIGHT, ROOF PITCH, OVERHANG, & GRADE. MATCH EXISTING UNLESS OTHERWISE NOTED. GENERAL NOTES FOR WINDOWS WITH OPERABLE OPENINGS MORE THAN 72" ABOVE THE FINISHED GRADE OR SURFACE BELOW, THE LOWEST PART OF THE CLEAR OPENING SHALL BE 24" MINIMUM ABOVE THE FLOOR. EXCEPTIONS: FULLY OPEN WINDOWS WHERE A 4" SPHERE MAY NOT PASS THROUGH OR WHERE FALL PREVENTION DEVICES ARE PROVIDED PER ASTM F 2090 OR R312.2.2. PROVIDE SAFETY GLASS PER IRC R308. SKYLIGHTS TO BE DOUBLE PANEL, SHATTER RESISTANT APPROVED RIGID PLASTIC, LAMINATED SAFETY GLASS, FULLY TEMPERED GLASS, HEAT -STRENGTHENED GLASS, OR WIRED GLASS. PROVIDE 4" MINIMUM CURB (OR SELF FLASHING ASSEMBLY WITH 3:12 MINIMUM PITCH OR PER MANUFACTURER INSTRUCTIONS). HOSE BIBBS TO BE BACKFLOW PREVENTION AND FREEZE RESISTANT TYPE. ALL HOLDOWNS, FRAMING ANCHORS & SHEARWALL NAILING MUST BE INSPECTED BEFORE COVERING. OGARAGE FIRE SEPARATION — R302.6 OPENINGS FROM GARAGE INTO SLEEPING ROOM NOT PERMITTED. DOOR BETWEEN GARAGE AND RESIDENCE SHALL BE 1h" MINIMUM THICK SOLID WOOD OR STEEL WITH SOLID OR HONEYCOMB CORE, OR 20 MINUTE FIRE RATED EQUIPPED WITH A SELF -CLOSING DEVICE. DUCTS IN GARAGE & DUCTS PENETRATING THE WALLS OR CEILINGS SEPARATING THE DWELLING FROM THE GARAGE SHALL BE NO. 26 GAGE SHEET STEEL AND HAVE NO OPENINGS INTO THE GARAGE. FILL AROUND OTHER PENETRATIONS WITH APPROVED MATERIAL. SEPARATE THE GARAGE FROM THE RESIDENCE AND ITS ATTIC AREA WITH Ys" GWB INSTALLED ON THE GARAGE SIDE. SEPARATE FROM HABITABLE ROOMS ABOVE WITH %" TYPE X GWB, AND WHERE THE SEPARATION IS A FLOOR- CEILING ASSEMBLY, THE SUPPORTING STRUCTURE SHALL BE PROTECTED WITH Y� GWB. OWATER HEATER PER OPT. 5a, TABLE 406.2 2 GAS, PROPANE, OR OIL WATER HEATER WITH A MINIMUM EF OF 0.62 OR ELECTRIC WATER HEATER WITH A MINIMUM EF OF 0.93. ALL SHOWERHEAD AND KITCHEN SINK FAUCETS INSTALLED IN THE HOUSE SHALL BE RATED AT 1.75 GPM OR LESS. INSTALL PER MANUFACTURER'S SPECIFICATIONS. U- No N 04 �_ p N I Q I N Y � z 3' a7 uj N of > p uj Of J o �o J 00 a rn W Q u� ul rn �i I`7 p N Z �o No LLOOf �z W o CC w NLu U)a z �3 oCc w J � J W Q > W I LO Z_ Q O N (n W OJ =z 0 0 W (N T W CL Cn O U 3 o� 7 0 I Lo FLASHING OVEI 3" OF EXPOSE LOWER EXIST. WALL M I M O_ I Ro I 1� N N I N TRUSSES TO BE DESIGNED & MANUFACTURED PER ANSI/TPI 1. DESIGN BY STATE LICENSED ENGR. & MANUFACTURED AT APPROVED PLANT. SUBMIT TRUSS DESIGN DRAWINGS TO BUILDING OFFICIAL FOR APPROVAL PRIOR TO INSTALLATION & SHIP DRAWINGS TO JOB SITE WITH TRUSSES. DESIGN DRAWINGS TO INCLUDE ALL LOADS, LUMBER INFO., CONNECTIONS, HANGERS, PERMANENT REQ'D. BRACING LOCATIONS, & RELATED INFORMATION AS SPECIFIED PER R802.10.1. TRUSSES TO BE BRACED TO PREVENT ROTATION & TO PROVIDE LATERAL STABILITY PER TRUSS DESIGN DRAWINGS, BUILDING PLANS, & PER BUILDING LATERAL ENGINEERING. FIELD CUTS OR 3'-2Y" 5'-0" 3'-2Y" 3" 11'-4Y° EXISTING LOWER LIVING AREA 569 SF EXISTING UPPER LIVING AREA 1,150 SF PROPOSED UPPER ADDDITION 356 SF TOTAL NEW LIVING AREA 2,075 SF EXISTING GARAGE 249 SF ELECTRICAL LEGEND SMOKE ALARM PER R314 & LISTED PER UL 217.INSTALL PER sa HOUSEHOLD WARNING PROVISIONS OF NFPA 72 & PER MFGR. SPECS. 110V HOUSEHOLD CURRENT WITH BATTERY BACKUP. INTERCONNECT EACH BEDROOM AND LEVEL. WA STATE AMENDMENT R315.1 CARBON MONOXIDE ALARM. co INSTAII ni]TSIf1F nF FAM SEPARATE SIFFPING AREA IN THE 58'-4" UPPER FLOOR PLAN SCALE: y" = 1'-0" EXISTING UPPER LIVING AREA 1,150 SF PROPOSED ADDDITION 356 SF TOTAL NEW UPPER AREA 1,506 SF ROOFING OPTIONS: O COMPOSITION ROOF: 0/ NONPERFD. TYPE 15 FELT. NAIL w/ (4) GALV. FASTN'R PER EA PIECE 0/ 1/2" COX PLYWD SHTG. OR EQUIV. w/ 1/2" CCX 0 0/HANGS. O ROOF SHTG. TO BE NAILED w/ 8d ® 6" OC EDGES & 12" OC FIELD - UNBLKD. WALL LEGEND EXISTING WALLS TO REMAIN — — — — — EXISTING WALLS TO BE REMOVED NEW WALLS OF ADDITION -REMODEL BUILDER AND CLIENT ARE RESPONSIBLE TO VERIFY ALL DIMENSIONS, OVERALL HEIGHT, GROUND LEVEL, FLOOR LEVEL, PLATE HEIGHT, ROOF PITCH, OVERHANG, & GRADE. MATCH EXISTING UNLESS OTHERWISE NOTED. GENERAL NOTES FOR WINDOWS WITH OPERABLE OPENINGS MORE THAN 72" ABOVE THE FINISHED GRADE OR SURFACE BELOW, THE LOWEST PART OF THE CLEAR OPENING SHALL BE 24" MINIMUM ABOVE THE FLOOR. EXCEPTIONS: FULLY OPEN WINDOWS WHERE A 4" SPHERE MAY NOT PASS THROUGH OR WHERE FALL PREVENTION DEVICES ARE PROVIDED PER ASTM F 2090 OR R312.2.2. PROVIDE SAFETY GLASS PER IRC R308. SKYLIGHTS TO BE DOUBLE PANEL, SHATTER RESISTANT APPROVED RIGID PLASTIC, LAMINATED SAFETY GLASS, FULLY TEMPERED GLASS, HEAT -STRENGTHENED GLASS, OR WIRED GLASS. PROVIDE 4" MINIMUM CURB (OR SELF FLASHING ASSEMBLY WITH 3:12 MINIMUM PITCH OR PER MANUFACTURER INSTRUCTIONS). HOSE BIBBS TO BE BACKFLOW PREVENTION AND FREEZE RESISTANT TYPE. ALL HOLDOWNS, FRAMING ANCHORS & SHEARWALL NAILING MUST BE INSPECTED BEFORE COVERING. OEGRESS WINDOWS PER R310 3 EMERGENCY ESCAPE AND RESCUE OPENINGS SHALL HAVE A HEIGHT OF NOT MORE THAN 44 INCHES MEASURED FROM THE FINISHED FLOOR TO THE BOTTOM OF THE CLEAR OPENING. EMERGENCY ESCAPE AND RESCUE OPENINGS SHALL HAVE A MINIMUM NET CLEAR OPENING OF 5.7 SQUARE FEET (5.0 S.F. AT GRADE FLOOR) THE MINIMUM NET CLEAR OPENING HEIGHT SHALL BE 24 INCHES, THE MINIMUM NET CLEAR OPENING WIDTH SHALL BE 20 INCHES, AND EMERGENCY ESCAPE AND RESCUE OPENINGS SHALL BE OPERATIONAL FROM THE INSIDE OF THE ROOM WITHOUT THE USE OF KEYS, TOOLS OR SPECIAL KNOWLEDGE. ROOF & ATTIC VENTILATION ALL VENTS TO BE SCREENED w/ Y" CORROSION RESISTANT METAL MESH. (3) 2"0 HOLES PER VENT BLOCK = 7.0 SQ. IN. NET AREA (74%). LOCATE VENT BLOCKS AT CORNERS & EVENLY BETWEEN FOR ATTICS. INSTALL VENT BLOCK EA. RAFTER SPACE FOR CATHEDRAL ROOFS. THE MINIMUM NET FREE VENTILATING AREA SHALL BE 1/150 OF THE AREA OF THE VENTED SPACE. EXCEPTION: THE MINIMUM NET FREE VENTILATION AREA SHALL BE 1/300 OF THE VENTED SPACE PROVIDED THE FOLLOWING CONDITION IS MET. 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. 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 EAVE 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. 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 SIZE 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 ATTIC AREA = 356 SF 356 = 300 = 1.19 SF VENTILATION REQ'D LOWER PART OF ATTIC: INSTALL 13 VENT BLOCKS* ® .0492 SF NET EA. _ 0.64 SF NET UPPER PART OF ATTIC: INSTALL 2 AF50 ROOF VENTS ® .347 SF NET EA. _ 0.69 SF NET TOTAL VENTING PROVIDED: 1.33 SF [if U W �¢ Zm Lq _j 00 Z S� 'm (JD w O:fZ �� C� zL- u')Lo Z c)� c,4 c,4 0 0C3 J ¢ � m w� � w �j o x W U U O Cffi (3 N . = N CD wz x< ¢� J m �W w C) C W U ■■ ■ No C1I i < � CV Y CT m W N CY > o wf J O o J 00 d o') W Q � N A 04 z �o No IL_OOf �z w o w NLu U)a z �3 0 _F-� �w " J Ld J W a> w I 2 Q o C-4w O J =z 0 0 W (N T W CL I= 0 U 4 O� 7 GENERAL SPECIFICATIONS: CONTRACTOR SHALL VERIFY ALL SITE CONDITIONS & BUILDING DIMENSIONS, & SHALL REPORT ANY VARIATIONS TO THE DESIGNER FOR RESOLUTION PRIOR TO CONSTRUCTION. WRITTEN DIMENSIONS SHALL TAKE PRECEDENCE OVER SCALED. CODES: 2015 INTERNATIONAL RESIDENTIAL CODE (IRC), 2015 WASHINGTON STATE ENERGY CODE WSEC), 2015 UNIFORM PLUMBING CODE (UPC), 2015 INTERNATIONAL MECHANICAL CODE (IMC), AND ALL OTHER APPLICABLE CODES. LOADING LIVE DEAD TOTAL ROOF (GROUND SNOW) 32 PSF 10 PSF 42 PSF ATTICS LIMITED STORAGE 20 PSF 10 PSF 30 PSF ATTICS NO STORAGE 10 PSF 10 PSF 20 PSF DECKS (SEE R502.2.1) 40 PSF 10 PSF 50 PSF EXTERIOR BALCONIES 40 PSF 10 PSF 50 PSF FIRE ESCAPES 40 PSF GUARDRAILS/HANDRAILS 200 LBS AT TOP ANY DIRECTION GUARDRAILS IN -FILL 50 LBS APPLIED TO 1 SQ. FT. PASS. VEHICHLE GARAGE 50 PSF IF ELEVATED 2,000 LB PT. ROOMS (NOT SLEEPING) 40 PSF 10 PSF 50 PSF SLEEPING ROOMS 30 PSF 10 PSF 40 PSF STAIRS 40 PSF 10 PSF 50 PSF OR 300 LB PT. LOAD ON 4 SQ. IN. ALL BEAMS, GIRDERS, HEADERS, RAFTERS, & JOISTS TO BE HEM FIR NO. 2 OR BETTER AS NOTED ON PLANS. GLUED LAMINATED TIMBERS SHALL BE MANUFACTURED & IDENTIFIED AS REQUIRED IN AITC A190.1 & ASTM D3737. PLYWOOD INDEX: CO. ROOF & SUBFLOOR SHEATHING PER TABLE R503.2.1.10). WALL SHEATHING PER TABLE R602.3(3) & R602.3(4). SHEATHING FASTENERS PER TABLES R602.3(1) & (2). STRUCTURAL MEMBER FASTENERS PER TABLE R602.3(1). WOOD IN CONTACT WITH CONCRETE, NEAR GROUND, OR WOOD EXPOSED TO WEATHER TO BE PRESSURE TREATED OR NATURALLY DURABLE WOOD PER R317. CONCRETE & REBAR: REBAR TO BE 60,000 PSI - GRADE 60 ASTM A706. WALL REBAR SHALL BE PLACED NO CLOSER TO THE OUTSIDE FACE THAN Y THE WALL THICKNESS. REBAR COVER PER ACI 318. FOOTINGS TO BEAR ON 1500 PSF MINIMUM UNDISTURBED SOIL. CONCRETE TO BE MINIMUM F'c = 2500 PSI ® 28 DAYS (3,000 PSI FOR GARAGE/CARPORT SLABS, EXTERIOR PATIO SLABS ON GRADE, & WEATHER EXPOSED BASEMENT, FOUNDATION WALLS, PORCHES, AND STEPS W/ 57-7% AIR ENTRAINMENT). MINIMUM DESIGN EQUIV. FLUID PRESSURE = 35 PCF OR PER SOILS ANALYSIS. R403.1.3.5.3 SUPPORT AND COVER REINFORCEMENT SHALL BE SECURED IN THE PROPER LOCATION IN THE FORMS WITH TIE WIRE OR OTHER BAAR SUPPORT SYSTEM TO PREVENT DISPLACEMENT DURING THE CONCRETE PLACEMENT OPERATION. STEEL REINFORCEMENT IN CONCRETE CAST AGAINST THE EARTH SHALL HAVE A MINIMUM COVER OF 3 INCHES (75MM). USP STRUCTURAL CONNECTORS OF EQUIVALENT STRENGTH MAY BE SUBSTITUTED FOR SIMPSON HOLDOWNS, STRAPS, AND CONNECTORS ROOFING OPTIONS: O SHAKE/SHINGLE ROOF: INTERWV. w/ 18" WIDE STRIPS OF TYPE 30 FELT. NAIL w/ (2) GALV. FASTENERS PER EACH PIECE TO 1/2" COX PLYWOOD SHEATHING OR EQUIVALENT. PROVIDE 1/2" CCX PLYWOOD SHEATHING OVERHANGS. O COMPOSITION ROOF: 0/ NONPERFD. TYPE 15 FELT. NAIL w/ (4) GALV. FASTN'R PER EA PIECE 0/ 1/2" COX PLYWD SHTG. OR EQUIV. w/ 1/2" CCX ® 0/HANGS. O CONCRETE TILE ROOF: 0/ TYPE 30 FELT. NAIL w/ (2) GALV. FASTENERS PER EA PIECE OVER 1/2" COX PLYWD SHTG. OR EQUIV. w/ 1/2" CCX 0/ HANGS. METAL ROOF: INSTALL PER MFG. SPECS. 0/ TYPE 15 FELT 0/ 1/2" COX PLYWD SHEATHING OR EQUIVALENT w/ 1/2" CCX PLYWOOD SHEATHING O/HANGS. O ROOF SHTG. TO BE NAILED w/ 8d ® 6" OC EDGES & 12" OC FIELD — UNBLKD. PREFAB ROOF TRUSSES 0 24"o.c. 2-26 TOP PLATES" G.W.B. 2:12 PITCH ,1'-4 1/2" PATTERN LAP SPLICES 48" w/ R-49 INSULATION N, G.W.B. 2x6 STUDS 016" O.C. 2x6 STUDS 016"o.c. W/ R-21 INSULATION 3" -" APA T&G OSB OR PLYWD CD INT. w/ EXT. GLUE. NAIL w/ FLASHING 2x6 BASE PL. w/ 16d ®16"o.c• 10d ®6"oEDGES &SOLID TO JST & 2-16d EA STUD .c. BLKG. & .c. c. IN FIELD 2X10 HF#2 FLR JSTS 0 16"O.C. 2x10 FLR JSTS ®16"o.c. W/ R-30 INSULATION 010 SOLIDBLK'G (2) 2X10 SOFFIT 4X10 DF#2 (1-3) SOFFIT �F#� (—) EXIST. 2x4 STUDS DF#2 (1-1) CANTILEVER 2-2x4 TOP PLATES �" G.W.B, CANTILEVER 016"o.c. LAP SPLICES 48" Y2" G.W.B. P.T. 44 DF#2 COL 2x4 STUDS ®16"o.c. A GARAGE WALL DETAIL SCALE: 3�" = 1'—O" 2x6 BASE PLATE. 2x6 PRESS. TRTD. SILL PLATE 4" CONC. SLAB o/ 6 MIL POLY BARRIER o/ POROUS FILL COMPTD. TO 95% MIN. Y16" OSB, Y" COX PLYWOOD OR %' T-1-11 SHEATHING. NAIL 8d 6" ON EDGE, 12" IN FIELD 2x4 STUDS 0 16" O.C. OR PER ENGINEER'S S.W. SCHEDULE 2x4 BASE PLATE 2x4 PRESS. TRTD. SILL PLATE W/ N 0 A.B. ® 48" O.C. OR PER PLAN & BTWN. 4V & 12" 4" CONC. SLAB ON SAND OF SILL ENDS. EMBED 7" MIN. FILL & TAMP AS REQUIRED 30 0.229" PLATE WASHERS. 00 - FINISHED GRADE SLOPED FOR 9 6" MIN. FALL WITHIN 10' OR u -��� SEE CONC. FTG. &STEM Ii i z PROVIDE SWALE OR DRAIN. � � WALL DETAIL ON THIS SHEET 16 ° ° n � � ROOF DRAIN 4" TIGHTLINE SEPARATE FROM FTG. DRAIN 3 6" 4"0 PERF PIPE IN ,'-O" ONE STORY WASHED GRAVEL. 1'-3" TWO STORY CONNECT TO APPROVED DISCHARGE GARAGE WALL SECTION WHERE APPLICABLE SCALE: Y8" = 1'-0" gBUILDING SECTION SCALE: X = 1'-0" TYP. 2x6 WALL 3/4" APA T&G OSB OR PLYWD. CD INT. W/ EXT. GLUE. NAIL W/ 10d ® 6" O.C. EDGES & SOLID BLOCKING & 0 10" O.C. IN FIELD SOLID BLOCKING FLOOR JOISTS PER PLAN %" T-1-11 PLYWD OR N' COX PLYWOOD SHTG OR 3f ' O.S.B. NAIL 8d 6" O.C. EDGE, 12" O.C. FIELD OR PER ENGINEER'S SHEARWALL SCHEDULE 2x6 BASE PLATE 2x RIM JOIST N' CCX PLYWOOD SHTG. OR 3f6" O.S.B. SOFFIT 2-2x6 TOP PLATES R-30 INSUL. W/ VAPOR LAP SPLICES 48" PER RETARDER WARM SIDE CANTILEVER WILL BEAR PLAN ON FRAMED WALL OR - -J FOUNDATION WALL Ll CANTILEVER SECTION WHERE APPLICABLE SCALE: %" = 1'-O" PROVIDE NO. 4 VERTICAL CONTINUOUS #4 HORIZ. BAR 6" BARS AT A SPACING NOT TO BE LOCATED 6" BELOW EXCEEDING 48 INCHES. TOP OF WALL I I IRC R404.1.4.2 c° REBAR n r.QenF o0 I� IIIIIIIII�II�- a 12dBAR W II MINIMUM II ' 4"0 ROOF >� HORIZONTAL 3" MIN. DRAIN* EXTENSION 4"0 PERF. STD. HOOK FTG. DRAIN IN GRAVEL II R405.1 z 2" II MIN. II, II i� NG POURED SEPARATELY, 2) CON11N.4 HORIZ. #4 BAR 48" O.C. MAX. BAR 3"-4" OM BOT. FR OM BOT. OF FTG. ROTATE 1'-0" MIN. 1 STORY M (# TD. HOOK. EXTEND TO 3" OF FTG. EXTENSION PARALLEL TO 1'-3" MIN. 2 STORY IF FOOTI PROVIDE WITH S CLR. FR HORIZ. WALL FOR PROPER CONC. COVER. ,'-11" MIN. 3 STORY *ROOF DRAIN TO BE SEPARATE FROM FOUNDATION DRAIN PLAIN CONC. FND. DETAIL SEISMIC ZONE "D" SCALE: ,'-O" PREFAB. ENGINEERED ROOF NG POURED SEPARATELY, 2) CON11N.4 HORIZ. #4 BAR 48" O.C. MAX. BAR 3"-4" OM BOT. FR OM BOT. OF FTG. ROTATE 1'-0" MIN. 1 STORY M (# TD. HOOK. EXTEND TO 3" OF FTG. EXTENSION PARALLEL TO 1'-3" MIN. 2 STORY IF FOOTI PROVIDE WITH S CLR. FR HORIZ. WALL FOR PROPER CONC. COVER. ,'-11" MIN. 3 STORY *ROOF DRAIN TO BE SEPARATE FROM FOUNDATION DRAIN PLAIN CONC. FND. DETAIL SEISMIC ZONE "D" SCALE: ,'-O" PREFAB. ENGINEERED ROOF SEISMIC ZONE "D" SCALE: ,'-O" PREFAB. ENGINEERED ROOF TRUSSES ® 24"o.c. (U.N.O.) ROOFING PER PLAN WIND BAFFLE w/ 1" MIN. AIR SPACE SIMPSON H2.5A OR H1 EACH 12 ;R-49INSU]LATI TRUSS TO TOP PLATES SEE PLAN 2x SCREENED VENT BLOCK 8d GALV. ® 6"o.c. (DIAPH. TO TOP PLS.) %" GWB OR SAG RESISTANT N" GWB 2-26 TOP PLATES LAP SPLICES 48" HEADER PER PLAN. USE 2" FOAM BOARD w/ 4x HEADER ,�" G.W.B. R-21 INSUL. 2x6 STUDS ® 16"o.c. -" APA T&G OSB OR PLYWD CD INT. w/ EXT. GLUE. NAIL w/ 10d ® 6"o.c. EDGES & SOLID BLKG. & ® 10"o.c. IN FIELD SOLID BLKG. 0 SUPPORTS )9" G.W.B. - 2-2x4 TOP PLATES LAP SPLICES 48" HEADER PER PLAN. USE 2" FOAM BOARD w/ 4x HEADER z Y2" G.W.B. N X W 2x4 STUDS 0 16"o.c. 4" CONC. SLAB o/ 6 MIL POLY BARRIER o/ POROUS FILL COMPTD. TO 95% MIN. 3 6" TWO STORY SECTION WHERE SCALE: 3/8" = 1'-0" APPLICABLE `GUTTER PER I- TYPICAL FASCIA SIDING PER ELEVATION o/ TYPE 15 FELT OR WATERPROOF BUILDING PAPER 2x6 BASE PL. w/ 16d 0 16"o.c. TO JST & 2-16d EA STUD 2x RIM JOIST w/ 3-16d >EE EACH JOIST PARTIAL DETAIL ABOVE %" T-1-11 PLYWD OR h" COX PLYWOOD SHTG OR 3(6" O.S.B. NAIL 8d 6"o.c. EDGE, 12"o.c. FIELD OR PER ENGINEER'S S.W. SCHEDULE. 2x6 BASE PLATE. 2x6 PRESS. TRTD. SILL PLATE w/ )i"O A.B. ® 48"o.c. OR PER PLAN & BTWN. 4)�" & 12" OF SILL ENDS. EMBED 7" MINIMUM. INSTALL 3x3xY" PLATE WASHERS. FINISHED GRADE SLOPED FOR 6" MIN. FALL WITHIN 10' OR PROVIDE SWALE OR DRAIN. ROOF DRAIN 4" TIGHTLINE SEPARATE FROM FTG. DRAIN 4" 0 PERF PIPE IN WASHED GRAVEL. CONNECT TO APPROVED DISCHARGE [if U W Z m W GN Z S � CD M UDD J w MM �Z MM C� zu- ulu') Z F� C4C4 0 0� J ¢ � Q m Wul =W o� W UU O CD N � W w cn 3 W :mN u' w O U Lo o N N i o 04 z � o m N of > o ofof J o 3:o J 0) 0-rn LIJ Q rn �i C14z �o No LL- O Of �z W o w NLu Ua z �3 0 o= w J � J W a> w �z Q o �w O J H 00 CLo 0 U GENERAL MECHANICAL PROVISIONS: HEATING & COOLING EQUIPMENT: THE INTERIOR DESIGN TE(MPER)ATURES USED FOR HEATING AND COOLING CCL)OAD CALCULATIONS SHALL THEAHEATING OR COO ILNG2OUTDOOR DESIGNGTEMPERATURESOSHALL BE SELECTED FFROM COOLING PER PER R302.2 WSEC. HEATING AND COOLING EQUIPMENT SHALL BE SIZED IN ACCORDANCE WITH ACCA MANUAL S BASED ON BUILDING LOADS CALCULATED IN ACCORDANCE WITH ACCA MANUAL J OR OTHER APPROVED HEATING AND COOLING CALCULATION METHODOLOGIES PER R403.7 WSEC. SYSTEMS SERVING MULTIPLE DWELLING UNITS SHALL COMPLY WITH SECTIONS C403 AND C404 OF THE IECC - COMMERCIAL PROVISIONS IN LIEU OF SECTION R403 PER R403.8 WSEC EQUIPMENT AND APPLIANCES HAVING AN IGNITION SOURCE AND LOCATED IN A GARAGE SHALL BE ELEVATED SO THAT THE SOURCE OF IGNITION IS NOT LESS THAN 18 INCHES ABOVE THE FLOOR SURFACE PER IMC SECTION 304.3. POTABLE WATER HEATERS AND HOT WATER STORAGE TANKS SHALL BE LISTED AND LABELED AND INSTALLED IN ACCORDANCE WITH THE MANUFACTURER'S INSTALLATION INSTRUCTIONS, THE INTERNATIONAL PLUMBING CODE AND THE INTERNATIONAL MECHANICAL CODE. ALL WATER HEATERS SHALL BE CAPABLE OF BEING REMOVED WITHOUT FIRST REMOVING A PERMANENT PORTION OF THE BUILDING STRUCTURE. THE POTABLE WATER CONNECTIONS AND RELIEF VALVES FOR ALL WATER HEATERS SHALL CONFORM TO THE REQUIREMENTS OF THE INTERNATIONAL PLUMBING CODE. DOMESTIC ELECTRIC WATER HEATERS SHALL COMPLY WITH UL 174 OR UL 1453. OIL -FIRED WATER HEATERS SHALL COMPLY WITH UL 732. SOLID -FUEL -FIRED WATER HEATERS SHALL COMPLY WITH UL 2523. THERMAL SOLAR WATER HEATERS SHALL COMPLY WITH CHAPTER 14 AND UL 174 OR UL 1453, PER IMC 1002.1. FUEL BURNING EQUIPMENT LOCATED WITHIN THE BUILDING ENVELOPE TO BE PROVIDED WITH COMBUSTION AIR PER THE INTERNATIONAL FUEL GAS CODE IFGC). FUEL BURNING EQUIPMENT LOCATED OUTSIDE THE BUILDING ENVELOPE SHALL COMPLY WITH IMC 303.6. FUEL -FIRED FURNACE OR SERVICE WATER HEATER SHALL NOT BE LOCATED IN OR OBTAIN COMBUSTION AIR FROM A BEDROOM, BATHROOM, TOILET ROOM, OR CLOSET. EXCEPTIONS: 1. DIRECT VENT APPLIANCES THAT OBTAIN ALL COMBUSTION AIR DIRECTLY FROM THE OUTDOORS. 2. SOLID FUEL -FIRED APPLIANCES, PROVIDED THAT THE ROOM IS NOT A CONFINED SPACE AND THE BUILDING IS NOT OF UNUSUALLY TIGHT CONSTRUCTION. 3. APPLIANCES INSTALLED IN A DEDICATED ENCLOSURE IN WHICH ALL COMBUSTION AIR IS TAKEN DIRECTLY FROM THE OUTDOORS PER CHAPTER 7 IMC. THE ENCLOSURE SHALL HAVE A WEATHER-STRIPPED SOLID DOOR. CENTRAL FURNACES TO BE INSTALLED IN CLOSETS, OR CONFINED SPACES SUCH AS ALCOVES, SHALL HAVE MANUFACTURER'S SPECIFICATIONS LISTING SUCH LOCATIONS AS ACCEPTABLE. FURNACES SHALL BE INSTALLED PER IMC 306.1.1. FURNACES WITH A FIREBOX OPEN TO THE ATMOSPHERE SHALL HAVE AT LEAST 6" WORKING SPACE ALONG THE FRONT COMBUSTION CHAMBER SIDE. COMBUSTION AIR OPENINGS ALONG THE REAR OR SIDE OF THE COMPARTMENT PER IMC CHAPTER 7. WARM AIR FURNACES INSTALLED IN ATTICS OR CRAWL SPACES SHALL COMPLY WITH IMC SECTION 306.3 AND 306.4 RESPECTIVELY. PROPANE GAS -BURNING APPLIANCES SHALL NOT BE INSTALLED IN A PIT, BASEMENT, OR SIMILAR LOCATION WHERE HEAVIER THAN AIR GAS MIGHT COLLECT. THE APPLIANCES SHALL NOT BE INSTALLED IN AN ABOVE GRADE, UNDER FLOOR SPACE OR BASEMENT, UNLESS SUCH LOCATION IS PROVIDED WITH AN APPROVED MEANS FOR REMOVAL OF UNBURNED GAS (APPROVAL MUST BE GRANTED BY THE BUILDING DEPARTMENT). CHIMNEYS AND VENTS: EVERY APPLIANCE DESIGNED TO BE VENTED SHALL BE CONNECTED TO A VENTING SYSTEM COMPLYING WITH CHAPTER 8 OF THE INTERNATIONAL MECHANICAL CODE (IMC). EVERY FACTORY BUILT CHIMNEY, TYPE L VENT, TYPE B GAS VENT, OR TYPE BW GAS VENT SHALL BE INSTALLED PER ITS MANUFACTURER'S LISTING, INSTRUCTIONS, AND APPLICABLE PROVISIONS OF CHAPTER 8 IMC. GAS VENTS TO COMPLY WITH CHAPTER 5 OF THE INTERNATIONAL FUEL GAS CODE (IFGC). GAS VENTS SHALL TERMINATE IN ACCORDANCE WITH ONE OF THE FOLLOWING. GAS VENTS WITH AN INTERNAL DIAMETER OF 12" OR LESS AND ARE LOCATED NOT LESS THAN 8' FROM A VERTICAL WALL OR SIMILAR OBSTRUCTION SHALL TERMINATE ABOVE THE ROOF IN ACCORDANCE WITH IFGC FIGURE 503.6.4. AS PROVIDED FOR DIRECT -VENT SYSTEMS IN IFGC SECTION 503.2.3. AS PROVIDED FOR APPLIANCES WITH INTEGRAL VENTS IN IFGC SECTION 503.2.4. AS PROVIDED FOR MECHANICAL DRAFT SYSTEMS IN IFGC SECTION 503.3.3. AS PROVIDED FOR VENTILATING HOODS AND EXHAUST SYSTEMS PER IFGC 503.3.4. MINIMUM HEIGHT PER IFGC 503.6.5. A TYPE B OR L GAS VENT SHALL TERMINATE AT LEAST 5 FEET IN VERTICAL HEIGHT ABOVE THE HIGHEST CONNECTED APPLIANCE DRAFT HOOD OR FLUE COLLAR. A TYPE B-W GAS VENT SHALL TERMINATE AT LEAST 12 FEET IN VERTICAL HEIGHT ABOVE THE BOTTOM OF THE WALL FURNACE. TYPE L VENTING SYSTEMS SHALL TERMINATE NOT LESS THAN 2 FEET ABOVE THE ROOF THROUGH WHICH IT PASSES, NOR LESS THAN 2 FEET ABOVE ANY ANY PORTION OF THE BUILDING WITHIN 10'-0" PER SECTION 802.5 IMC. VENT CONNECTORS SHALL BE USED TO CONNECT APPLIANCES TO THE VERTICAL CHIMNEY OR VENT PER IMC 803, EXCEPT WHERE THE CHIMNEY OR VENT IS ATTACHED DIRECTLY TO THE APPLIANCE. CONNECTORS SHALL BE LOCATED ENTIRELY WITHIN THE ROOM IN WHICH THE APPLIANCE IS LOCATED, EXCEPT AS PROVIDED FOR IN SECTION 803.10.4. WHERE PASSING THROUGH AN UNHEATED SPACE A CONNECTOR SHALL NOT BE CONSTRUCTED OF SINGLE -WALL PIPE. THE CONNECTOR SHALL NOT BE SMALLER THAN THE SIZE OF THE FLUE COLLAR SUPPLIED BY THE MANUFACTURER OF THE APPLIANCE. CONNECTORS SHALL RISE VERTICALLY TO THE CHIMNEY OR VENT WITH A MINIMUM PITCH EQUAL TO ONE-FOURTH UNIT VERTICAL IN 12 UNITS HORIZONTAL (2% SLOPE). CONNECTORS SHALL HAVE A MINIMUM CLEARANCE TO COMBUSTIBLES IN ACCORDANCE WITH IMC TABLE 803.10.6. IRC 302.5.2 DUCTS IN GARAGE DUCTS IN THE GARAGE AND DUCTS PENETRATING THE WALLS OR CEILING SEPARATING THE DWELLING FROM THE GARAGE SHALL BE CONSTRUCTED OF NO. 26 GAUGE MINIMUM SHEET STEEL OR OTHER APPROVED MATERIAL AND SHALL NOT HAVE OPENINGS INTO THE GARAGE. MECHANICAL & WHOLE HOUSE VENTILATION PER IRC CH. 15 (WA AMENDMENTS) IRC SECTION M1501.1 OUTDOOR DISCHARGE. THE AIR REMOVED BY EVERY MECHANICAL SYSTEM SHALL BE DISCHARGED TO THE OUTDOORS IN ACCORDANCE WITH SECTION M1506.2. AIR SHALL NOT BE WXHAUSTED 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. IRC SECTION M1502 CLOTHES DRYER EXHAUST IRC M1502.1 GENERAL. CLOTHES DRYERS SHALL BE EXHAUSTED IN ACCORDANCE WITH THE MANUFACTURER'S INSTRUCTIONS. IRC 1502.2 INDEPENDENTENT EXHAUST SYSTEMS. DRYER EXHAUST SYSTEMS SHALL BE INDEPENDENT OF ALL OTHER SYSTEMS AND SHALL CONVEY THE MOISTURE TO THE OUTDOORS. THIS SECTION SHALL NOT APPLY TO LISTED AND LABELED CONDENSING (DUCTLESS) CLOTHES DRYERS. IRC M1502.3 DUCT TERMINATION. EXHAUST DUCTS SHALL TERMINATE ON THE OUTSIDE OF THE BUILDING. EXHAUST DUCT TERMINATIONS SHALL BE IN ACCORDANCE WITH THE DRYER MANUFACTURER'S INSTALLATION INSTRUCTIONS. IF THE MANUFACTURER'S INSTRUCTIONS DO NOT SPECIFY A TERMINATION LOCATION, THE EXHAUST DUCT SHALL TERMINATE NOT LESS THAN 3 FEET IN ANY DIRECTION FROM OPENINGS INTO BUILDINGS. EXHAUST DUCT TERMINATIONS SHALL BE EQUIPPED WITH A BACKDRAFT DAMPER. SCREENS SHALL NOT BE INSTALLED AT THE DUCT TERMINATION. IRC M1502.4.1 MATERIAL AND SIZE. DRYER EXHAUST DUCTS SHALL HAVE A SMOOTH INTERIOR FINISH AND SHALL BE CONSTRUCTED OF METAL A MINIMUM 0.0157-INCH THICK (#28 GA). THE EXHAUST DUCT SIZE SHALL BE 4 INCHES NOMINAL IN DIAMETER. M1502.4.2 DUCT INSTALLATION. EXHAUST DUCTS SHALL BE SUPPORTED AT INTERVALS NOT TO EXCEED 12 FEET AND SHALL BE SECURED IN PLACE. THE INSERT END OF THE DUCT SHALL EXTEND INTO THE ADJOINING DUCT OR FITTING IN THE DIRECTION OF AIRFLOW. EXHAUST DUCT JOINTS SHALL BE SEALED IN ACCORDANCE WITH SECTION M1601.4.1 AND SHALL BE MECHANICALLY FASTENED. DUCTS SHALL NOT BE JOINED WITH SCREWS OR SIMILAR FASTENERS THAT PROTRUDE MORE THAN 1/8 INCH INTO THE INSIDE OF THE DUCT. IIRC M1502.4.3 TRANSITION DUCT. TRANSITION DUCTS USED TO CONNECT THE DRYER TO THE EXHAUST DUCT SYSTEM SHALL BE A SINGLE LENGTH THAT IS LISTED AND LABELED IN ACCORDANCE WITH UL 2158A. TRANSITION DUCTS SHALL BE A MAXIMUM OF 8 FEET IN LENGTH. TRANSITION DUCTS SHALL NOT BE CONCEALED WITHIN CONSTRUCTION. M1502.4.4 DRYER EXHAUST DUCT POWER VENTILATORS. DOMESTIC DRYER EXHAUST DUCT POWER VENTILATORS SHALL CONFORM TO UL 705 FOR USE IN DRYER EXHAUST DUCT SYSTEMS. THE DRYER EXHAUST DUCT POWER VENTILATOR SHALL BE INSTALLED IN ACCORDANSE WITH THE MANUFACTURER'S INSTRUCTIONS. M1502.4.5 DUCT LENGTH. THE MAXIMUM ALLOWABLE EXHAUST DUCT LENGTHSHALL BE DETERMINED BY ONE OGF THE METHODS SPECIFIED IN SECTIONS M1502.4.5.1 THROUGH M1502.4.5.3. M1502.4.5.1 SPECIFIED LENGTH. THE MAXIMUM LENGTH OF THE EXHAUST DUCT SHALL BE 35 FEET FROM THE CONNECTION TO THE TRANSITION DUCT FROM THE DRYER TO THE OUTLET TERMINAL. WHERE FITTINGS ARE USED, THE MAXIMUM LENGTH OF THE EXHAUST DUCT SHALL BE REDUCED IN ACCORDANCE WITH TABLE M1502.4.5.1. THE MAXIMUM LENGTH OF THE EXHAUST DUCT DOES NOT INCLUDE THE TRANSITION DUCT. IRC M1502.4.5.1 DRYER EXHAUST DUCT FITTING EQUIVALENT LENGTH DRYER EXHAUST DUCT FITTING TYPE EQUIVALENT LENGTH 4" RADIUS MITERED 45-DEGREE ELBOW 2'-6" 4" RADIUS MITERED 90-DEGREE ELBOW 5'-0" 6" RADIUS SMOOTH 45-DEGREE ELBOW 1'-0" 6" RADIUS SMOOTH 90-DEGREE ELBOW 8" RADIUS SMOOTH 45-DEGREE ELBOW 1'-0" 8" RADIUS SMOOTH 90-DEGREE ELBOW 1'-7" 10" RADIUS SMOOTH 45-DEGREE ELBOW 9" 10" RADIUS SMOOTH 90-DEGREE ELBOW 1'-6" FOR SI: 1 INCH = 25.4 MM, 1 FOOT = 304.8 MM, 1 DEGREE = 0.0175 RAD. M1502.4.5.2 MANUFACTURER'S INSTRUCTIONS. THE SIZE AND MAXIMUM LENGTH OF THE EXHAUST DUCT SHALL BE DETERMINED BY THE DRYER MANUFACTURER'S INSTALLATION INSTRUCTIONS. THE CODE OFFICIAL SHALL BE PROVIDED WITH A COPY OF THE INSTALLATION INSTRUCTIONS FOR THE MAKE AND MODEL OF THE DRYER AT THE CONCEALMENT INSPECTION. IN THE ABSENCE OF FITTING EQUIVALENT LENGTH CALCULATIONS FROM THE DRYER MANUFACTURER, TABLE M1502.4.4.1 SHALL BE USED. M1502.4.5.3 DRYER EXHAUST DUCT POWER VENTILATOR. THE MAXIMUM LENGTH OF THE EXHAUST DUCT SHALL BE DETERMINED IN ACCORDANCE WITH THE MANUFACTURER'S INSTRUCTIONS FOR THE DUCT POWER VENTILATOR. M1502.4.5.3 DRYER EXHAUST DUCT POWER VENTILATOR. THE MAXIMUM LENGTH OF THE EXHAUST DUCT SHALL BE DETERMINED IN ACCORDANCE WITH THE MANUFACTURER'S INSTRUCTIONS FOR THE DUCT POWER VENTILATOR. M1502.4.6 LENGTH IDENTIFICATION. WHERE THE EXHAUST DUCT EQUIVALENT LENGTH EXCEES 35 FEET, THE EQUIVALENT LENGTH OF THE EXHAUST DUCT SHALL BE IDENTIFIED ON A PERMANENT LABEL OR TAG LOCATED WITHIN 6 FEET OF THE EXHAUST DUCT CONNECTION. M1502.4.7 EXHAUST DUCT REQUIRED. WHERE SPACE FOR A CLOTHES DRYER IS PROVIDED AN EXHAUST DUCT SYSTEM SHALL BE INSTALLED. WHERE THE CLOTHES DRYER IS NOT INSTALLED AT THE TIME OF OCCUPANCY THE EXHAUST DUCT SHALL BE CAPPED OR PLUGGED IN THE SPACE IN WHICH IT ORIGINATES AND IDENTIFIED AND MARKED "FUTURE USE." EXCEPTION: WHERE A LISTED CONDENSING CLOTHES DRYER IS INSTALLED PRIOR TO OCCUPANCY OF THE STRUCTURE. M1502.5 PROTECTION REQUIRED. PROTECTIVE SHIELD PLATES SHALL BE PLACED WHERE NAILS OR SCREWS FROM FINISH OR OTHER WORK ARE LIKELY TO PENETRATE THE CLOTHES DRYER EXHAUST DUCT, SHIELD PLATES SHALL BE PLACED ON THE FINISHED FACE OF FRANING MEMBERS WHERE THERE IS LESS THAN 1Ya INCHES BETWEEN THE DUCT AND THE FINISHED FACE OF THE FRAMING MEMBER. PROTECTIVE SHIELD PLATES SHALL BE CONSTRUCTED OF STEEL, HAVE A MINIMUM THICKNESS OF 0.062 INCH AND SHALL NOT EXTEND LESS THAN 2 INCHES ABOVE SOLE PLATES AND BELOW TOP PLATES. WHOLE HOUSE VENTILATION PER IRC 1507 (WASHINGTON AMENDMENT M1507.1 GENERAL. LOCAL EXHAUST AND WHOLE -HOUSE MECHANICAL VENTILATION SYSTEMS AND EQUIPMENT SHALL BE DESIGNED IN ACCORDANCE WITH THIS SECTION. M1507.2 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 AN ATTIC, CRAWL SPACE OR OTHER AREAS OF THE BUILDING. M1507.3.1 SYSTEM DESIGN. EACH DWELLING UNIT OR GUESTROOM SHALL BE EQUIPPED WITH A VENTILATION SYSTEM COMPLYING WITH SECTION M1507.3.4, M1507.3.5, M1507.3.6 OR M1507.3.7. COMPLIANCE IS ALSO PERMITTED TO BE DEMONSTRATED THROUGH COMPLIANCE WITH THE INTERNATIONAL MECHANICAL CODE OR ASHRAE STANDARD 62.2. M1507.3.2 CONTROL AND OPERATION. 1. 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 SYSTEM. 3. LOCAL EXHAUST SYSTEMS. LOCAL EXHAUST SYSTEMS SHALL BE CONTROLLED BY MANUAL SWITCHES, DEHUMIDISTATS, TIMERS, OR OTHER APPROVED MEANS. 4. CONTINUOUS WHOLE -HOUSE VENTILATION SYSTEMS. CONTINUOUS WHOLE -HOUSE VENTILATION SYSTEMS SHALL OPERATE CONTINUOUSLY. EXHAUST FANS, FORCED -AIR SYSTEM FANS, OR SUPPLY FANS SHALL BE EQUIPPED WITH "FAN ON" AS OVERRIDE CONTROLS. CONTROLS SHALL BE CAPABLE OF OPERATING THE VENTILATION SYSTEM WITHOUT ENERGIZING OTHER ENERGY -CONSUMING APPLIANCES. 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 403.8.5.1. 5.4. THE SYSTEM SHALL BE DESIGNED SO THAT IT 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)." M1507.3.2.1 OPERATING INSTRUCTIONS. INSTALLERS SHALL PROVIDE THE MANUFACTURER'S INSTALLATION, OPERATING INSTRUCTIONS, AND A WHOLE -HOUSE VENTILATION SYSTEM OPERATION DESCRIPTION. M1507.3.2.1 OPERATING INSTRUCTIONS. INSTALLERS SHALL PROVIDE THE MANUFACTURER'S INSTALLATION, OPERATING INSTRUCTIONS, AND A WHOLE -HOUSE VENTILATION SYSTEM OPERATION DESCRIPTION. M1507.3.3 MECHANICAL VENTILATION RATE. THE WHOLE -HOUSE MECHANICAL VENTILATION SYSTEM SHALL PROVIDE OUTDOOR AIR TO EACH HABITABLE SPACE AT A CONTINUOUS RATE OF NOT LESS THAN THAT DETERMINED IN ACCORDANCE WITH TABLE M1507.3.3(1). 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 M1507.3.3(1) IS MULTIPLIED BY THE FACTOR DETERMINED IN ACCORDANCE WITH TABLE M1507.3.3(2). DWELLING UNIT FLOOR AREA (SQ. FT.) BEDROOMS 0-1 2-3 4-5 6-7 >7 AIRFLOW IN CFM < 1500 30 45 60 75 90 1501-3000 45 60 75 90 105 3001-4500 60 75 90 105 120 4501-6000 75 90 105 120 135 6001-7500 90 105 120 135 150 > 7501 1105 1120 1135 1 150 1 165 TABLE IRC M1507.3.3(1) CONTINUOUS WHOLE -HOUSE MECHANICAL VENTILATION SYSTEM AIRFLOW RATE REQUIREMENTS FOR Sk 1 SQUARE FOOT = 0.0929M', 1 CUBIC FOOT PER MINUTE = 0.0004719M3/s TABLE M1507.3.3(2) INTERMITTENT WHOLE -HOUSE MECHANICAL VENTILATION RAI RUN-TIME PERCENTAGE IN EACH 4-HOUR 25% 33% 50% 66% 75% 100% SEGMENT FACTOR° 4 3 2 1.5 1.3 1 E FACTORS° a. FOR VENTILATION SYSTEM RUN TIME VALUES BETWEEN THOSE GIVEN, THE FACTORS ARE PERMITTED TO BE DETERMINED BY INTERPOLATION. b. EXTRAPOLATION BEYOND THE TABLE IS PROHIBITED. METHOD #1, IRC M1507.3.4 WHOLE HOUSE VENTILATION USING EXHAUST FANS. M1507.3.4.1 WHOLE -HOUSE VENTILATION FANS. EXHAUST FANS PROVIDING WHOLE HOUSE VENTILATION SHALL HAVE A FLOW RATING AT 0.25 INCHES WATER GAUGE AS SPECIFIED IN TABLE M1507.3.3(1). MANUFACTURERS' FAN FLOW RATINGS SHALL BE DETERMINED ACCORDING TO HVI 916 OR AMCA 210. M1507.3.4.2 FAN NOISE. WHOLE HOUSE FANS LOCATED 4 FEET OR LESS FROM THE INTERIOR GRILLE SHALL HAVE A SONE RATING OF 1.0 OR LESS MEASURED AT 0.1 INCHES WATER GAUGE. MANUFACTURER'S NOISE RATINGS SHALL BE DETERMINED AS PER HVI 915 MARCH 2O09). REMOTELY MOUNTED FANS SHALL BE ACOUSTICALLY ISOLATED FROM THE S UCTURAL ELEMENTS OF THE BUILDING AND FROM ATTACHED DUCT WORK USING INSULATED FLEXIBLE DUCT OR OTHER APPROVED MATERIAL. M1507.3.4.3 FAN CONTROLS. THE WHOLE HOUSE VENTILATION FAN SHALL MEET THE REQUIREMENTS OF SECTION M1507.3.2 AND M1507.3.2.1. M1507.3.4.4 VENTILATION OPENINGS. EACH HABITABLE SPACE SHALL BE PROVIDED WITH OUTDOOR AIR INLETS OR OPERABLE WINDOWS WITH AN OPENABLE AREA NOT LESS THAN 4 SQUARE INCHES OF NET FREE AREA OF OPENING FOR EACH 10 CFM OF OUTDOOR AIR REQUIRED BY TABLE M1507.3.3(1). 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 1/2 INCH ABOVE THE SURFACE OF THE FINISH FLOOR COVERING. INDIVIDUAL ROOM OUTDOOR AIR INLETS SHALL: 1. 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. ANY INLET OR COMBINATION OF INLETS WHICH PROVIDE 10 CFM AT 10 PASCALS ARE DEEMED EQUIVALENT TO 4 SQUARE INCHES NET FREE AREA. VENTILATION OPENING SHALL BE SCREENED OR OTHERWISE PROTECTED FROM ENTRY BY LEAVES OR OTHER MATERIAL. OPENINGS SHALL BE CONTROLLABLE, SECURABLE AND SHALL BE DESIGNED TO NOT COMPROMISE THE THERMAL PROPERTIES OF THE BUILDING ENVELOPE. VENTILATION OPENINGS SHALL BE LOCATED SO AS NOT TO TAKE AIR FROM THE FOLLOWING AREAS: 1. CLOSER THAN 10 FEET FROM AN APPLIANCE VENT OUTLET, UNLESS SUCH VENT OUTLET IS 3 FEET ABOVE THE OUTDOOR AIR INLET. 2. WHERE IT WILL PICK UP OBJECTIONABLE ODORS, FUMES OR FLAMMABLE VAPORS. 3. A HAZARDOUS OR UNSANITARY LOCATION. 4. A ROOM OR SPACE HAVING ANY FUEL -BURNING APPLIANCES THEREIN. 5. CLOSER THAN 10 FEET FROM A VENT OPENING OF A PLUMBING DRAINAGE SYSTEM UNLESS THE VENT OPENING IS AT LEAST 3 FEET ABOVE THE AIR INLET. 6. ATTIC, CRAWL SPACES, OR GARAGES. 7. ASPHALT ROOFS UNLESS IT IS SHOWN THAT NO OTHER LOCATION IS PERMISSIBLE. IN SUCH CASES THE INLET OPENING SHALL BE LOCATED A MINIMUM OF 2 FEET FROM THE NEAREST SURFACE OF THE ASPHALT ROOFING, MEASURED FROM THE INTAKE OPENING. METHOD #2, M1507.3.5.1 INTEGRATED WHOLE HOUSE VENTILATION SYSTEMS. INTEGRATED WHOLE -HOUSE VENTILATION SYSTEMS SHALL PROVIDE OUTDOOR AIR AT THE RATE CALCULATED USING SECTION M1507.3.3. INTEGRATED FORCED -AIR VENTILATION SYSTEMS SHALL DISTRIBUTE OUTDOOR AIR TO EACH HABITABLE SPACE THROUGH THE FORCED -AIR SYSTEM DUCTS. INTEGRATED FORCED -AIR VENTILATION SYSTEMS SHALL HAVE AN OUTDOOR AIR INLET DUCT CONNECTING A TERMINAL ELEMENT ON THE OUTSIDE OF THE BUILDING TO THE RETURN AIR PLENUM OF THE FORCED -AIR SYSTEM, AT A POINT WITHIN 4 FEET UPSTREAM OF THE AIR HANDLER. THE OUTDOOR AIR INLET DUCT CONNECTION TO THE RETURN AIR STREAM SHALL BE LOCATED UPSTREAM OF THE FORCED -AIR SYSTEM BLOWER AND SHALL NOT BE CONNECTED DIRECTLY INTO A FURNACE CABINET TO PREVENT THERMAL SHOCK TO THE HEAT EXCHANGER. THE SYSTEM WILL BE EQUIPPED WITH A MOTORIZED DAMPER CONNECTED TO THE AUTOMATIC VENTILATION CONTROL AS SPECIFIED IN SECTION M1507.3.2. THE REQUIRED FLOW RATE SHALL BE VERIFIED BY FIELD TESTING WITH A FLOW HOOD OR A FLOW MEASURING STATION. M1507.3.5.2 VENTILATION DUCT INSULATION. ALL SUPPLY DUCTS IN THE CONDITIONED SPACE SHALL BE INSULATED TO A MINIMUM OF R-4, M1507.3.5.3 OUTDOOR AIR INLETS. INLETS SHALL BE SCREENED OR OTHERWISE PROTECTED FROM ENTRY BY LEAVES OR OTHER MATERIAL. OUTDOOR AIR INLETS SHALL BE LOCATED SO AS NOT TO TAKE AIR FROM THE FOLLOWING AREAS: 1. CLOSER THAN 10 FEET FROM AN APPLIANCE VENT OUTLET, UNLESS SUCH VENT OUTLET IS 3 FEET ABOVE THE OUTDOOR AIR INLET. 2. WHERE IT WILL PICK UP OBJECTIONABLE ODORS, FUMES OR FLAMMABLE VAPORS. 3. A HAZARDOUS OR UNSANITARY LOCATION. 4. A ROOM OR SPACE HAVING ANY FUEL -BURNING APPLIANCES THEREIN. 5. CLOSER THAN 10 FEET FROM A VENT OPENING OF A PLUMBING DRAINAGE SYSTEM UNLESS THE VENT OPENING IS AT LEAST 3 FEET ABOVE THE AIR INLET. 6. ATTIC, CRAWL SPACES, OR GARAGES. METHOD 3 M1507.3.6 MOLE HOUSE VENTILATION USING A SUPPLY FAN. SUPPLY FAN VENTILATION SYSTEMS SHALL DISTRIBUTE OUTDOOR AIR TO EACH HABITABLE SPACE THROUGH THE FORCED -AIR SYSTEM DUCTS OR THROUGH DEDICATED DUCTS TO EACH HABITABLE SPACE. SUPPLY FANS SHALL HAVE THE CAPACITY TO PROVIDE THE AMOUNT OF OUTDOOR AIR SPECIFIED IN TABLE M1507.3.31 AT 0.40 INCHES WATER GAUGE AS PER HVI 916. THE OUTDOOR AIR MUST BE FILTERED BEFORE IT IS DELIVERED TO HABITABLE SPACES. THE FILTER MAY BE LOCATED AT THE INTAKE DEVICE, IN LINE WITH THE FAN, OR, IN THE CASE OF A CONNECTION TO THE RETURN PLENUM OF THE AIR HANDLER, USING THE FURNACE FILTER. AN OUTDOOR AIR INLET SHALL BE CONNECTED TO EITHER THE SUPPLY OR RETURN AIR STREAM. M1507.3.6.2 DUCTS. AN OUTDOOR AIR INLET DUCT CONNECTION TO THE SUPPLY AIR STREAM SHALL BE LOCATED DOWNSTREAM OF THE FORCED -AIR SYSTEM BLOWER. IF CONNECTED TO THE RETURN AIR STREAM IT SHALL BE LOCATED AT LEAST 4 FEET UPSTREAM OF THE FORCED -AIR SYSTEM BLOWER AND ITS FILTER. NEITHER SHALL BE CONNECTED DIRECTLY INTO A FURNACE CABINET. THE DUCT SHALL BE SIZED IN ACCORDANCE WITH TABLE M1507.3.6.2. THE TERMINAL ELEMENT ON THE OUTSIDE OF THE BUILDING SHALL BE SIZED 2 INCHES DIA. LARGER THAN THE OUTDOOR AIR INLET DUCT. TABLE M1507.3.6.2 PRESCRIPTIVE SUPPLY FAN DUCT SIZING SUPPLY FAN TESTED CFM AT 0.40" WG SPECIFIED VOLUME FROM TABLE M1507.3.3(1) MINIMUM SMOOTH DUCT DIAMETER MINIMUM FLEXIBLE DUCT DIAMETER 50-90cfm 4 INCH 5 INCH 90-150cfm 5 INCH 6 INCH 150-120cfm 6INCH 7INCH 250-400cfm 7INCH 8INCH M1507.3.6.3 DAMPERS. THE SYSTEM SHALL BE EQUIPPED WITH A BACK -DRAFT DAMPER AND ONE OF THE FOLLOWING: 1. A CALIBRATED MANUAL VOLUME DAMPER INSTALLED AND SET TO MEET THE MEASURED FLOW RATES SPECIFIED IN TABLE M1507.3.3(1) BY FIELD TESTING WITH A PRESSURE GAUGE AND/OR FOLLOWING MANUFACTURER'S INSTALLATION INSTRUCTIONS; OR 2. A MANUAL VOLUME DAMPER INSTALLED AND SET TO MEET THE MEASURED FLOW RATES SPECIFIED IN TABLE M1507.3.3(1) BY FIELD TESTING WITH A FLOW HOOD OR A FLOW MEASURING STATION; OR 3. AN AUTOMATIC FLOW -REGULATING DEVICE SIZED TO THE SPECIFIED FLOW RATES IN TABLE M1507.3.3(1) WHICH PROVIDES CONSTANT FLOW OVER A PRESSURE RANGE OF 0.20 TO 0.60 INCHES WATER GAUGE. M1507.3.6.4 VENTILATION DUCT INSULATION. ALL SUPPLY DUCTS IN THE CONDITIONED SPACE SHALL BE INSULATED TO A MINIMUM OF R-4. M1507.3.6.5 OUTDOOR AIR INLETS. INLETS SHALL BE SCREENED OR OTHERWISE PROTECTED FROM ENTRY BY LEAVES OR OTHER MATERIAL. OUTDOOR AIR INLETS SHALL BE LOCATED SO AS NOT TO TAKE AIR FROM THE FOLLOWING AREAS: 1. CLOSER THAN 10 FEET FROM AN APPLIANCE VENT OUTLET, UNLESS SUCH VENT OUTLET IS 3 FEET ABOVE THE OUTDOOR AIR INLET. 2. WHERE IT WILL PICK UP OBJECTIONABLE ODORS, FUMES OR FLAMMABLE VAPORS. 3. A HAZARDOUS OR UNSANITARY LOCATION. 4. A ROOM OR SPACE HAVING ANY FUEL -BURNING APPLIANCES THEREIN. 5. CLOSER THAN 10 FEET FROM A VENT OPENING OF A PLUMBING DRAINAGE SYSTEM UNLESS THE VENT OPENING IS AT LEAST 3 FEET ABOVE THE AIR INLET. 6. ATTIC, CRAWL SPACES, OR GARAGES. METHOD #4, M1507.3.7, WHOLE HOUSE VENTILATION USING A HEAT RECOVERY SYSTEM. ALL DUCT WORK IN THIS SYSTEM SHALL BE SIZED AND INSTALLED PER THE MANUFACTURER'S INSTRUCTIONS. MINIMUM FLOW RATING SHALL NOT BE LESS THAN THAT SPECIFIED IN TABLE M1507.3.3(1). THE SYSTEM SHALL HAVE A FILTER ON THE UPSTREAM SIDE OF THE HEAT EXCHANGER IN BOTH THE INTAKE AND EXHAUST AIRSTREAMS WITH A MIN. EFFICIENCY RATING VALUE (MERV) OF 6. ALL SUPPLY DUCTS IN THE CONDITIONED SPACE INSTALLED UPSTREAM OF THE HEAT EXCHANGER SHALL BE INSULATED TO A MIN. OF R-4. M1507.3.7.3 OUTDOOR AIR INLETS. INLETS SHALL BE SCREENED OR OTHERWISE PROTECTED FROM ENTRY BY LEAVES OR OTHER MATERIAL. OUTDOOR AIR INLETS SHALL BE LOCATED SO AS NOT TO TAKE AIR FROM THE FOLLOWING AREAS: 1. CLOSER THAN 10 FEET FROM AN APPLIANCE VENT OUTLET, UNLESS SUCH VENT OUTLET IS 3 FEET ABOVE THE OUTDOOR AIR INLET. 2. WHERE IT WILL PICK UP OBJECTIONABLE ODORS, FUMES OR FLAMMABLE VAPORS. 3. A HAZARDOUS OR UNSANITARY LOCATION. 4. A ROOM OR SPACE HAVING ANY FUEL -BURNING APPLIANCES THEREIN. 5. CLOSER THAN 10 FEET FROM A VENT OPENING OF A PLUMBING DRAINAGE SYSTEM UNLESS THE VENT OPENING IS AT LEAST 3 FEET ABOVE THE AIR INLET. 6. ATTIC, CRAWL SPACES, OR GARAGES. M1507.4 LOCAL EXHAUST. LOCAL EXHAUST SHALL BE PROVIDED IN EACH KITCHEN, BATHROOM, WATER CLOSET, LAUNDRY ROOM, INDOOR SWIMMING POOL, SPA, AND OTHER ROOMS WHERE WATER VAPOR OR COOKING ODOR IS PRODUCED. LOCAL EXHAUST SYSTEMS SHALL BE DESIGNED TO HAVE THE CAPACITY TO EXHAUST THE MINIMUM AIR FLOW RATE DETERMINED IN ACCORDANCE WITH TABLE M1507.4. TABLE IRC M1507.4 MINIMUM REQUIRED EXHAUST RATES FOR ONE & TWO FAMILY DWELLINGS AREA TO BE EXHAUSTED EXHAUST RATES KITCHENS 100 CFM INTERMITTENT OR 25 CFM CONTINUOUS BATHROOMS - TOILET ROOMS MECHANICAL EXHAUST LAUNDRY ROOMS CAPACITY OF INDOOR SWIMMING POOLS & 50 CFM INTERMITTENT OR SPAS 20 CFM CONTINUOUS FOR SI:1 CUBIC FOOT PER MINUTE = 0.0004719M3/s M1507.4.1 LOCAL EXHAUST FANS. EXHAUST FANS PROVIDING LOCAL EXHAUST SHALL HAVE A MINIMUM FAN FLOW RATING NOT LESS THAN 50 CFM AT 0.25 INCHES WATER GAUGE FOR BATHROOMS, LAUNDRIES, OR SIMILAR ROOMS AND 100 CFM AT 0.25 INCHES WATER GAUGE FOR KITCHENS. MANUFACTURERS' FAN FLOW RATINGS SHALL BE DETERMINED AS PER HVI 916 (APRIL 1995) OR AMCA 210. EXCEPTION: WHERE A RANGE HOOD OR DOWN DRAFT EXHAUST FAN IS USED TO SATISFY THE LOCAL EXHAUST REQUIREMENTS FOR KITCHENS, THE RANGE HOOD OR DOWN DRAFT EXHAUST SHALL NOT BE LESS THAN 100 CFM AT 0.10 INCHES WATER GAUGE. M1507.4.2 LOCAL EXHAUST CONTROLS. LOCAL EXHAUST SYSTEMS SHALL BE CONTROLLED BY MANUAL SWITCHES, DEHUMIDISTATS, TIMERS, OR OTHER APPROVED MEANS. LOCAL EXHAUST SYSTEM CONTROLS SHALL BE READILY ACCESSIBLE. IRC CHAPTER 16: DUCT SYSTEMS (WASHINGTON AMENDMENT IRC M1601.1 DUCT DESIGN. DUCT SYSTEMS SERVING HEATING, COOLING AND VENTILATION EQUIPMENT SHALL BE INSTALLED IN ACCORDANCE WITH THE PROVISIONS OF THIS SECTION AND ACCA MANUAL D OR OTHER APPROVED METHODS. M1601.1.1 ABOVE -GROUND DUCT SYSTEMS. ABOVE -GROUND DUCT SYSTEMS SHALL CONFORM TO THE FOLLOWING: 1. EQUIPMENT CONNECTED TO DUCT SYSTEMS SHALL BE DESIGNED TO LIMIT DISCHARGE AIR TEMPERATURE TO A MAXIMUM OF 250-F (121'C). 2. FACTORY -MADE DUCTS SHALL BE LISTED AND LABELED IN ACCORDANCE WITH UL 181 AND INSTALLED IN ACCORDANCE WITH THE MANUFACTURER'S INSTRUCTIONS. 3. FIBROUS DUCT CONSTRUCTION SHALL CONFORM TO THE SMACNA FIBROUS GLASS DUCT CONSTRUCTION STANDARDS OR NAIMA FIBROUS GLASS DUCT CONSTRUCTION STANDARDS. 4. FIELD -FABRICATED AND SHOP -FABRICATED METAL AND FLEXIBLE DUCT CONSTRUCTIONS SHALL CONFORM TO THE SMACNA HVAC DUCT CONSTRUCTION STANDARDS -METAL AND FLEXIBLE, EXCEPT AS ALLOWED BY TABLE M1601.1.1. GALVANIZED STEEL SHALL CONFORM TO ASTM A 653. 5. USE OF GYPSUM PRODUCTS TO CONSTRUCT RETURN AIR DUCTS OR PLENUMS IS PERMITTED, PROVIDED THAT THE AIR TEMPERATURE DOES NOT EXCEED 125-F (52'C) AND EXPOSED SURFACES ARE NOT SUBJECT TO CONDENSATION. 6. DUCT SYSTEMS SHALL BE CONSTRUCTED OF MATERIALS HAVING A FLAME SPREAD INDEX NOT GREATER THAN 200. 7. STUD WALL CAVITIES AND THE SPACES BETWEEN SOLID FLOOR JOISTS SHALL NOT BE USED AS A DUCT OR AN AIR PLENUM IN NEW CONSTRUCTION. FOR EXISTING SYSTEMS, STUD WALL CAVITIES AND THE SPACES BETWEEN SOLID FLOOR JOISTS TO BE USED AS AIR PLENUMS SHALL COMPLY WITH THE FOLLOWING: 7.1. THESE CAVITIES OR SPACES SHALL NOT BE USED AS A PLENUM FOR SUPPLY AIR. 7.2. THESE CAVITIES OR SPACES SHALL NOT BE PART OF A REQUIRED FIRE -RESISTANCE -RATED ASSEMBLY. 7.3. STUD WALL CAVITIES SHALL NOT CONVEY AIR FROM MORE THAN ONE FLOOR LEVEL. 7.4. STUD WALL CAVITIES AND JOIST -SPACE PLENUMS SHALL BE ISOLATED FROM ADJACENT CONCEALED SPACES BY TIGHT -FITTING FIRE BLOCKING IN ACCORDANCE WITH SECTION R602.8. 7.5. STUD WALL CAVITIES IN THE OUTSIDE WALLS OF BUILDING ENVELOPE ASSEMBLIES SHALL NOT BE UTILIZED AS AIR PLENUMS. SOLID FUEL BURNING APPLIANCES: SOLID FUEL BURNING APPLIANCES (INCLUDING WOOD STOVES, ROOM HEATERS, FACTORY BUILT FIREPLACES, FIREPLACE INSERTS, AND MASONRY HEATERS) SHALL COMPLY WITH THE PROVISIONS OF IMC, CHAPTERS 3 AND 9, AND IRC CHAPTER 10. SOLID FUEL BURNING APPLIANCES SHALL BE PROVIDED WITH TIGHT FITTING METAL OR CERAMIC GLASS DOORS AND ONE OF THE FOLLOWING: 1. A SOURCE FROM OUTSIDE THE STRUCTURE OF PRIMARY COMBUSTION AIR, CONNECTED TO THE APPLIANCE AS PER MANUFACTURER'S SPECIFICATION. THE AIR INLET SHALL ORIGINATE AT A POINT BELOW THE FIRE BOX. THE DUCT SHALL BE 4 INCHES OR GREATER IN DIAMETER, NOT EXCEED 20 FEET IN LENGTH, AND BE INSTALLED AS PER MANUFACTURER'S INSTRUCTIONS; 2. THE APPLIANCE AND MANUFACTURER'S RECOMMENDED COMBUSTION AIR SUPPLY, AS AN INSTALLED UNIT, SHALL BE CERTIFIED BY AN INDEPENDENT TESTING LABORATORY TO HAVE PASSED TEST NO. 11-NEGATIVE PRESSURE TEST, SECTION 12.3, OF ULC S627-M1984 "SPACE HEATERS FOR USE WITH SOLID FUELS." FIREPLACES SHALL BE PROVIDED WITH READILY ACCESSIBLE MANUAL OR APPROVED AUTOMATIC TIGHT FITTING FLUE DAMPERS, EXCEPT FIREPLACES WITH GAS LOGS MUST COMPLY WITH IMC 901 OR LIQUEFIED PETROLEUM GAS INSTALLATIONS SHALL BE PER NFPA 58 AND 54. A 6 SQ. IN. OUTSIDE SOURCE FOR COMBUSTION AIR SHALL BE PROVIDED WITH AN OUTSIDE AIR DUCT DAMPER (EXCEPTION: WA CERTIFIED FIREPLACES SHALL BE INSTALLED WITH THE COMBUSTION AIR SYSTEM NECESSARY FOR THEIR SAFE AND EFFICIENT COMBUSTION AS SPECIFIED BY THE MANUFACTURER). SITE BUILT FIREPLACES SHALL HAVE TIGHT FITTING GLASS OR METAL DOORS, OR A FLUE DRAFT INDUCTION FAN OR AS APPROVED FOR MINIMIZING BACK -DRAFTING. FACTORY BUILT FIREPLACES SHALL USE DOORS LISTED FOR THE INSTALLED APPLIANCE. COPYRIGHT© 2019 DESIGN LINES, INC., ALL RIGHTS RESERVED. THE USE OF THIS SHEET IS EXCLUSIVELY FOR THE CLIENTS OF DESIGN LINES, INC. AND ONLY FOR THE PARTICULAR PROJECT FOR WHICH THE PRINTS WERE ISSUED. USE OR REUSE OF THIS SHEET FOR ANY OTHER PROJECT IS STRICTLY FORBIDDEN AND SUBJECT TO PENALTY OF LAW. U Q m J lJ.l W U gs w c=cD Z cn F z� o� Eo 0 � J Q¢ (!1 U w� cDW o=E =3 U U w wN �Q = J U 00 00 oQD 0 V).0 0 rn 3 s � W Er- w W ■■ No Cv o N i ¢ i CV Y CT w � ago N of > o Ld W J o 3:o J 00 a rn LLJ = ¢ rnN 0z �o No LL- O Of �z w o w z w = z�a U3 _F-� �w J Ld J W a> w �z Q o C-4w O J 00 W (N CLo 0 U 6 O� 7 POST CERTIFICATE WITHIN 3' OF ELECTRICAL PANEL: R401.3 CERTIFICATE (MANDATORY). A PERMANENT CERTIFICATE SHALL BE COMPLETED BY THE BUILDER OR REGISTERED DESIGN PROFESSIONAL AND POSTED ON A WALL IN THE SPACE WHERE THE FURNACE IS LOCATED, A UTILITY ROOM, OR AN APPROVED LOCATION INSIDE THE BUILDING. WHEN LOCATED ON AN ELECTRICAL PANEL, THE CERTIFICATE 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 R-VALUES 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 SOLAR HEAT GAIN COEFFICIENT (SHGC) OF 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. WHERE A GAS -FIRED UNVENTED ROOM HEATER, ELECTRIC FURNACE, OR BASEBOARD ELECTRIC HEATER IS INSTALLED IN THE RESIDENCE, THE CERTIFICATE SHALL LIST "GAS -FIRED UNVENTED ROOM HEATER," "ELECTRIC FURNACE" OR "BASEBOARD ELECTRIC HEATER," AS APPROPRIATE. AN EFFICIENCY SHALL NOT BE LISTED FOR GAS -FIRED UNVENTED ROOM HEATERS, ELECTRIC FURNACES OR ELECTRIC BASEBOARD HEATERS DESIGN CONDITIONS: R302.1 INTERIOR DESIGN CONDITIONS. THE INTERIOR DESIGN TEMPERATURES USED FOR HEATING AND COOLING LOAD CALCULATIONS SHALL BE A MAXIMUM OF 72-F (22-C) FOR HEATING AND MINIMUM OF 75-F (24-C) FOR COOLING. R302.2 EXTERIOR DESIGN CONDITIONS. THE HEATING OR COOLING OUTDOOR DESIGN TEMPERATURES SHALL BE SELECTED FROM APPENDIX C. BUILDING THERMAL ENVELOPE REQUIREMENTS: INSULATION: UNLESS NOTED OTHERWISE, INSULATION TO BE PER WSEC TABLE R402.1.1, CLIMATE ZONES 5 AND MARINE 4, AND THE SPECIFIC REQUIREMENTS OF SECTIONS R402.2.1 THROUGH R402.2.11. FENESTRATION: R402.3 FENESTRATION (PRESCRIPTIVE). IN ADDITION TO THE REQUIREMENTS OF SECTION R402, FENESTRATION SHALL COMPLY WITH SECTIONS R402.3.1 THROUGH R402.3.5. AIR LEAKAGE: R402.4 AIR LEAKAGE (MANDATORY). THE BUILDING THERMAL ENVELOPE SHALL BE CONSTRUCTED TO LIMIT AIR LEAKAGE IN ACCORDANCE WITH THE REQUIREMENTS OF SECTIONS R402.4.1 THROUGH R402.4.4. R402.4.1 BUILDING THERMAL ENVELOPE. THE BUILDING THERMAL ENVELOPE SHALL COMPLY WITH SECTIONS R402.4.1.1 AND R402.4.1.2. THE SEALING METHODS BETWEEN DISSIMILAR MATERIALS SHALL ALLOW FOR DIFFERENTIAL EXPANSION AND CONTRACTION. R402.4.1.1 INSTALLATION. THE COMPONENTS OF THE BUILDING THERMAL ENVELOPE AS LISTED IN TABLE R402.4.1.1 SHALL BE INSTALLED IN ACCORDANCE WITH THE MANUFACTURER'S INSTRUCTIONS AND THE CRITERIA LISTED IN TABLE R402.4.1.1, AS APPLICABLE TO THE METHOD OF CONSTRUCTION. WHERE REQUIRED BY THE CODE OFFICIAL, AN APPROVED THIRD PARTY SHALL INSPECT ALL COMPONENTS AND VERIFY COMPLIANCE. R402.4.1.2 TESTING. THE BUILDING OR DWELLING UNIT SHALL BE TESTED AND VERIFIED AS HAVING AN AIR LEAKAGE RATE OF NOT EXCEEDING 5 AIR CHANGES PER HOUR. TESTING SHALL BE CONDUCTED WITH A BLOWER DOOR AT A PRESSURE OF 0.2 INCHES W.G. (50 PASCALS). WHERE REQUIRED BY THE CODE OFFICIAL, TESTING SHALL BE CONDUCTED BY AN APPROVED THIRD PARTY. A WRITTEN REPORT F THE RESULTS OF THE TEST SHALL BE SIGNED BY THE PARTY CONDUCTING THE TEST AND PROVIDED TO THE CODE OFFICIAL. TESTING SHALL BE PERFORMED AT ANY TIME AFTER CREATION OF ALL PENETRATIONS OF THE BUILDING THERMAL ENVELOPE. ONCE VISUAL INSPECTION HAS CONFIRMED SEALING (SEE TABLE R402.4.1.1), OPERABLE WINDOWS AND DOORS MANUFACTURED BY SMALL BUSINESS SHALL BE PERMITTED TO BE SEALED OFF AT THE FRAME PRIOR TO THE TEST. DURING TESTING: 1. EXTERIOR WINDOWS AND DOORS, FIREPLACE AND STOVE DOORS SHALL BE CLOSED, BUT NOT SEALED, BEYOND THE INTENDED WEATHERSTRIPPING OR OTHER INFILTRATION CONTROL MEASURES; 2. DAMPERS INCLUDING EXHAUST, INTAKE, MAKEUP AIR, BACKDRAFT AND FLUE DAMPERS SHALL BE CLOSED, BUT NOT SEALED BEYOND INTENDED INFILTRATION CONTROL MEASURES; 3. INTERIOR DOORS, IF INSTALLED AT THE TIME OF THE TEST, SHALL BE OPEN, ACCESS HATCHES TO CONDITIONED CRAWL SPACES AND CONDITIONED ATTICS SHALL BE OPEN; 4. EXTERIOR OPENINGS FOR CONTINUOUS VENTILATION SYSTEMS AND HEAT RECOVERY VENTILATORS SHALL BE CLOSED AND SEALED; 5. HEATING AND COOLING SYSTEMS, IF INSTALLED AT THE TIME OF THE TEST, SHALL BE TURNED OFF; AND 6. SUPPLY AND RETURN REGISTERS IF INSTALLED AT THE TIME OF THE TEST SHALL BE FULLY OPEN. EXCEPTIONS: (1)ADDITIONS LESS THAN 500 SQUARE FEET OF CONDITIONED FLOOR AREA. (2)ADDITIONS TESTED WITH THE EXISTING HOME HAVING A COMBINED MAXIMUM LEAKAGE RATE OF 7 AIR CHANGES/HR. TO QUALIFY FOR THIS EXCEPTION, THE DATE OF CONSTRUCTION OF THE EXISTING HOUSE MUST BE PRIOR TO THE 2009 WSEC. SYSTEMS: R403.1 CONTROLS (MANDATORY). AT LEAST ONE THERMOSTAT SHALL BE PROVIDED FOR EACH SEPARATE HEATING AND COOLING SYSTEM. R403.1.1 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 AND/OR CONTROL SYSTEM SHALL HAVE AN ADJUSTABLE DEADBAND OF NOT LESS THAN 107. EXCEPTIONS: 1. SYSTEMS CONTROLLED BY AN OCCUPANT SENSOR THAT IS CAPABLE OF SHUTTING THE SYSTEM OFF WHEN NO OCCUPANT IS SENSED FOR A PERIOD OF UP TO 30 MINUTES. 2. SYSTEMS CONTROLLED SOLELY BY A MANUALLY OPERATED TIMER CAPABLE OF OPERATING THE SYSTEM FOR NO MORE THAN TWO HOURS. R403.1.2 HEAT PUMP SUPPLEMENTARY HEAT (MANDATORY). UNITARY AIR COOLED HEAT PUMPS SHALL INCLUDE CONTROLS 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 THHAT PREVENT SUPPLEMENTAL HEATER OPERATION ABOVE 407. AT FINAL INSPECTION THE AUXILIARY HEAT LOCK OUT CONTROL SHALL BE SET TO 35'F OR LESS. R403.3 DUCTS. DUCTS AND AIR HANDLERS SHALL BE IN ACCORDANCE WITH SECTIONS R403.3.1 THROUGH R403.3.5. R403.3.1 INSULATION (PRESCRIPTIVE). DUCTS OUTSIDE THE BUILDING THERMAL ENVELOPE SHALL BE INSULATED TO A MINIMUM OF R-8. DUCTS WITHIN A CONCRETE SLAB OR IN THE GROUND SHALL BE INSULATED TO R-10 WITH INSULATION DESIGNED TO BE USED BELOW GRADE. EXCEPTION: DUCTS OR PORTIONS THEREOF LOCATED COMPLETELY INSIDE THE BUILDING ENVELOPE. DUCTS LOCATED IN CRAWL SPACES DO NOT QUALIFY FOR THIS EXCEPTION, R403.3.2 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: 1. AIR -IMPERMEABLE SPRAY FOAM PRODUCTS SHALL BE PERMITTED TO BE APPLIED WITHOUT ADDITIONAL JOINT SEALS. 2. FOR DUCTS HAVING A STATIC PRESSURE CLASSIFICATION OF LESS THAN 2 INCHES OF WATER COLUMN (500 PA), ADDITIONAL CLOSURE SYSTEMS SHALL NOT BE REQUIRED FOR CONTINUOUSLY WELDED JOINTS AND SEAMS, AND LOCKING -TYPE JOINTS AND SEAMS OF OTHER THAN SNAP -LOCK AND BUTTON -LOCK TYPES. R403.3.2.1 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. R403.3.3 DUCT TESTING (MANDATORY). DUCTS SHALL BE LEAK TESTED IN ACCORDANCE WITH WSU RS-33, USING THE MAXIMUM DUCT LEAKAGE RATES SPECIFIED. EXCEPTION: THE TOTAL LEAKAGE TEST OR LEAKAGE TO THE OUTDOORS IS NOT REQUIRED FOR DUCTS AND AIR HANDLERS LOCATED ENTIRELY WITHIN THE BUILDING THERMAL ENVELOPE. FOR FORCED AIR DUCTS, A MAXIMUM OF 10 LINEAR FEET OF RETURN DUCTS AND 5 LINEAR FEET OF SUPPLY DUCTS MAY BE LOCATED OUTSIDE THE CONDITIONED SPACE. ALL METALLIC DUCTS LOCATED OUTSIDE THE CONDITIONED SPACE MUST HAVE BOTH TRANSVERSE AND LONGITUDINAL JOINTS SEALED WITH MASTIC. IF FLEX DUCTS ARE USED, THEY CANNOT CONTAIN SPLICES. FLEX DUCT CONNECTIONS MUST BE MADE WITH NYLON STRAPS AND INSTALLED USING A PLASTIC STRAPPING TENSIONING TOOL. DUCTS LOCATED IN CRAWL SPACES DO NOT QUALIFY FOR THIS EXCEPTION. A WRITTEN REPORT OF THE RESULTS SHALL BE SIGNED BY THE PARTY CONDUCTING THE TEST AND PROVIDED TO THE CODE OFFICIAL. 2015 WASHINGTON STATE SINGLE-FAMILY RESIDENTIAL ENERGY CODE R403.3.4. DUCT LEAKAGE (MANDATORY). THE TOTAL LEAKAGE OF THE DUCTS, WHERE MEASURED IN ACCORDANCE WITH SECTION R403.3.3, SHALL BE AS FOLLOWS: 1. ROUGH -IN TEST. TOTAL LEAKAGE SHALL BE LESS THAN OR EQUAL TO 4 CFM (113.3 L/MIN) PER 100 SQUARE FEET (9.29 M2) 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.2. POSTCONSTRUCTION TEST: LEAKAGE TO OUTDOORS SHALL BE LESS THAN OR EQUAL T04 CFM (113.3 L/MIN) PER 100 SQUARE FEET (9.29 M2) OF CONDITIONED FLOOR AREA OR TOTAL LEAKAGE SHALL BE LESS THAN OR EQUAL TO 4 CFM (113.3 L/MIN) PER 100 SQUARE FEET 9.29 M2 OF CONDITIONED FLOOR AREA WHEN TESTED AT A PRESSURE DIFFERENTIAL OF 0.1 INCHES W.G. 25 Q ( ) ( PA) ACROSS THE ENTIRE SYSTEM, INCLUDING THE MANUFACTURER'S AIR HANDLER ENCLOSURE. ALL REGISTER BOOTS SHALL BE TAPED OR OTHERWISE SEALED DURING THE TEST. R403.3.5 BUILDING CAVITIES (MANDATORY). BUILDING FRAMING CAVITIES SHALL NOT BE USED AS DUCTS OR PLENUMS. INSTALLATION OF DUCTS IN EXTERIOR WALLS, FLOORS OR CEILINGS SHALL NOT DISPLACE REQUIRED ENVELOPE INSULATION R403.4 MECHANICAL SYSTEM PIPING INSULATION (MANDATORY). MECHANICAL SYSTEM PIPING CAPABLE OF CARRYING FLUIDS ABOVE 105-F (41-C) OR BELOW 55-F (13-C) SHALL BE INSULATED TO A MINIMUM OF R-6. EXCEPTION: UP TO 200 FEET OF HYDRONIC SYSTEM PIPING INSTALLED WITHIN THE CONDITIONED SPACE MAY BE INSULATED WITH A MINIMUM OF �{h-INCH INSULATION WITH A K VALUE OF 0.28. R403.4.1 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. R403.5 SERVICE HOT WATER SYSTEMS. ENERGY CONSERVATION MEASURES FOR SERVICE HOT WATER SYSTEMS SHALL BE IN ACCORDANCE WITH SECTIONS R403.5.1 THROUGH R403.5.5. R403.5.1 HEATED WATER CIRCULATION AND TEMPERATURE MAINTENANCE SYSTEM (MANDATORY). HEATED WATER CIRCULATION SYSTEMS SHALL BE IN ACCORDANCE WITH SECTION R403.5.1.1. HEAT TRACE TEMPERATURE MAINTENANCE SYSTEMS SHALL BE IN ACCORDANCE WITH SECTION R403.5.1.2. AUTOMATIC CONTROLS, TEMPERATURE SENSORS AND PUMPS SHALL BE ACCESSIBLE. MANUAL CONTROLS SHALL BE READILY ACCESSIBLE. R403.5.1.1 CIRCULATION SYSTEMS. HEATED WATER CIRCULATION SYSTEMS SHALL BE PROVIDED WITH A CIRCULATION PUMP. THE SYSTEM RETURN PIPE SHALL BE A DEDICATED RETURN PIPE OR A COLD WATER SUPPLY PIPE. GRAVITY AND THERMO-SYPHON CIRCULATION SYSTEMS SHALL BE PROHIBITED. CONTROLS FOR CIRCULATING HOT WATER SYSTEM PUMPS SHALL START THE PUMP BASED ON THE IDENTIFICATION OF A DEMAND FOR HOT WATER WITHIN THE OCCUPANCY. THE CONTROLS SHALL AUTOMATICALLY TURN OFF THE PUMP WHEN THE WATER IN THE CIRCULATION LOOP IS AT THE DESIRED TEMPERATURE AND WHEN THERE IS NO DEMAND FOR HOT WATER. R403.5.1.2 HEAT TRACE SYSTEMS. ELECTRIC HEAT TRACE SYSTEMS SHALL COMPLY WITH IEEE 515.1 OR UL 515. CONTROLS FOR SUCH SYSTEMS SHALL AUTOMATICALLY ADJUST THE ENERGY INPUT TO THE HEAT TRACING TO MAINTAIN THE DESIRED WATER TEMPERATURE IN THE PIPING IN ACCORDANCE WITH THE TIMES WHEN HEATED WATER IS USED IN THE OCCUPANCY. R403.5.2 DEMAND RECIRCULATION SYSTEMS. A WATER DISTRIBUTION SYSTEM HAVING ONE OR MORE RECIRCULATION PUMPS THAT PUMP WATER FROM A HEATED WATER SUPPLY PIPE BACK TO THE HEATED WATER SOURCE THROUGH A COLD WATER SUPPLY PIPE SHALL BE A DEMAND RECIRCULATION WATER SYSTEM. PUMPS SHALL HAVE CONTROLS THAT COMPLY WITH BOTH OF THE FOLLOWING: 1. THE CONTROL SHALL START THE PUMP UPON RECEIVING A SIGNAL FROM THE ACTION OF A USER OF A FIXTURE OR APPLIANCE, SENSING THE PRESENCE OF A USER OF A FIXTURE OR SENSING THE FLOW OF HOT OR TEMPERED WATER TO A FIXTURE FITTING OR APPLIANCE. 2. THE CONTROL SHALL LIMIT THE TEMPERATURE OF THE WATER ENTERING THE COLD WATER PIPING TO 104"F (40 "C). R403.5.3 HOT WATER PIPE INSULATION (PRESCRIPTIVE). INSULATION FOR HOT WATER PIPE, BOTH WITHIN AND OUTSIDE THE CONDITIONED SPACE, SHALL HAVE A MINIMUM THERMAL RESISTANCE (R-VALUE) OF R-3. EXCEPTION: PIPE INSULATION IS PERMITTED TO BE DISCONTINUOUS WHERE IT PASSES THROUGH STUDS, JOISTS OR OTHER STRUCTURAL MEMBERS AND WHERE THE INSULATED PIPES PASS OTHER PIPING, CONDUIT OR VENTS, PROVIDED THE INSULATION IS INSTALLED TIGHT TO EACH OBSTRUCTION. R403.5.4 DRAIN WATER HEAT RECOVERY UNITS. DRAIN WATER HEAT RECOVERY UNITS SHALL COMPLY WITH CSA 55.2. DRAIN WATER HEAT RECOVERY UNITS SHALL BE IN ACCORDANCE WITH CSA 55.1. POTABLE WATER -SIDE PRESSURE LOSS OF DRAIN WATER HEAT RECOVERY UNITS SHALL BE LESS THAN 3 PSI (20.7 kPa) FOR INDIVIDUAL UNITS CONNECTED TO ONE OR TWO SHOWERS. POTABLE WATER -SIDE PRESSURE LOSS OF DRAIN WATER HEAT RECOVERY UNITS SHALL BE LESS THAN 2 PSI (13.8 kPa) FOR INDIVIDUAL UNITS CONNECTED TO THREE OR MORE SHOWERS. R403.5.5 ELECTRIC WATER HEATER INSULATION. ALL ELECTRIC WATER HEATERS IN UNHEATED SPACES OR ON CONCRETE FLOORS SHALL BE PLACED ON AN INCOMPRESSIBLE, INSULATED SURFACE WITH A MINIMUM THERMAL RESISTANCE OF R-10. R403.6 MECHANICAL VENTILATION (MANDATORY). THE BUILDING SHALL BE PROVIDED WITH VENTILATION THAT MEETS THE REQUIREMENTS OF THE INTERNATIONAL RESIDENTIAL CODE OR INTERNATIONAL MECHANICAL CODE, AS APPLICABLE, OR WITH OTHER APPROVED MEANS OF VENTILATION. OUTDOOR AIR INTAKES AND EXHAUSTS SHALL HAVE AUTOMATIC OR GRAVITY DAMPERS THAT CLOSE WHEN THE VENTILATION SYSTEM IS NOT OPERATING. R403.6.1 WHOLE -HOUSE MECHANICAL VENTILATION SYSTEM FAN EFFICACY. MECHANICAL VENTILATION SYSTEM FANS SHALL MEET THE EFFICACY REQUIREMENTS OF TABLE R403.6.1. EXCEPTION: WHERE MECHANICAL VENTILATION FANS ARE INTEGRAL TO TESTED AND LISTED HVAC EQUIPMENT, THEY SHALL BE POWERED BY AN ELECTRONICALLY COMMUTATED MOTOR. TABLE R403.6.1 MECHANICAL VENTILATION SYSTEM FAN EFFICACY FAN LOCATION AIR FLOW RATE MINIMUM (CFM) MINIMUM EFFICACY (CFM/WATT) AIR FLOW RATE MAXIMUM (CFM) RANGE HOODS ANY 2.8 CFM WATT ANY IN -LINE FAN ANY 2.8 CFM WATT ANY BATHROOM, UTILITY ROOM 10 1.4 CFM WATT <90 BATHROOM, UTILITY ROOM 1 90 2.8 CFM WATT ANY TABLE R402.1.1 INSULATION AND FENESTRATION REQUIREMENTS BY COMPONENT CLIMATE ZONE 5 AND MARINE 4 FENESTRATION U-FACMRb 0.30 SKYLIGHT' U-FACTOR 0.50 GLAZED FENESTRATION SHGC',B NR CEILING R-VALUE' 49 WOOD FRAME WALL9'"'0 R-VALUE 21 int MASS WALL R-VALUE' 21 21 FLOOR R-VALUE 309 BELOW -GRADE`'"' WALL R-VALUE 10 15 21 int+TB SLAB' R-VALUE & DEPTH 10, 2 ft For SI: 1 foot=304.8mm, ci=continuous insulation, int= intermediate framing 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 A101.4 shall not be less than the R-value specified in the table. ' The fenestration U-factor column excludes skylights. The SHGC column applies to all glazed fenestration. "10/15/21.+TB" means R-10 continuous insulation on the exterior of the wall, or R-15 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. "10/15/21.+TB" shall be permitted to be met with R-13 cavity insulation on the interior of the basement wall plus R-5 continuous insulation on the interior or exterior of the wall. "TB" means thermal break between floor slab and basement wall. d R-10 continuous insulation is required under heated slab on grade floors. See R402.2.9.1. There are no SHGC requirements in the Marine Zone. f4h Reserved. ' The second R-value applies when more than half the insulation is on the interior of the mass wall. I Reserved. k For single rafter- or joist -vaulted ceilings, the insulation may be reduced to R-38. Reserved. Int. (intermediate framing) demotes standard framing 16 inches on center with headers insulated with a minimum of R-10 insulation. " Log and solid timber walls with a minimum average thickness of 3.5 inches are exempt from this insulation requirement. TABLE R402.4.1.1 AIR BARRIER AND INSULATION INSTALLATION COMPONENT CRITERIA° AIR BARRIER AND THERMAL BARRIER A CONTINUOUS AIR BARRIER SHALL BE INSTALLED IN THE BUILDING ENVELOPE. EXTERIOR THERMAL 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 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 DEPTH. 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 CAVI AND WITHIN THE MANUFACTURERS' DENSITY RECOMMENDATION. 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 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. KNEE WALLS SHALL BE SEALED. CAVITIES WITHIN CORNERS AND HEADERS OF FRAME WALLS SHALL BE INSULATED BY COMPLETELY FILLING THE CAVITY WITH A MATERIAL HAVING A THERMAL RESISTANCE OF R-3 PER INCH MINIMUM. EXTERIOR THERMAL ENVELOPE INSULATION FOR FRAMED WALLS SHALL BE INSTALLED IN SUBSTANTIAL CONTACT AND CONTINUOUS ALIGNMENT WITH THE AIR BARRIER. WINDOWS, SKYLIGHTS AND DOORS THE SPACE BETWEEN WINDOW/DOOR JAMBS AND FRAMING AND SKYUGiTS AND FRAMING SHALL BE SEALED. 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 UNDERSIDE OF SUBFLOOR DECKING. THE AIR CANTILEVERED FLOORS) BARRIER SHALL BE INSTALLED AT ANY EXPOSED EDGE OF INSULATION. CRAWL SPACE WALLS WHERE PROVIDED IN LIEU OF FLOOR INSULATION, INSULATION SHALL BE PERMANENTLY ATTACHED TO THE CRAWLSPACE WALLS. EXPOSED EARTH IN UNVENTED CRAWL SPACES SHALL BE COVERED WITH A CLASS I VAPOR RETARDER WITH OVERLAPPING JOINTS TAPED. SHAFTS, PENETRATIONS DUCT SHAFTS, UTILITY PENETRATIONS, AND FLUE SHAFTS OPENING TO EXTERIOR OR UNCONDITIONED SPACE SHALL BE SEALED. 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 AIR SEALING SHALL BE PROVIDED BETWEEN THE GARAGE AND CONDITIONED SPACES. 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 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/TUB 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. ELECTRICAL/PHONE 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 THAT PENETRATE BUILDING THERMAL ENVELOPE SHALL BE SEALED TO THE SUBFLOOR OR DRYWALL. CONCEALED SPRINKLERS WHEN REQUIRED TO BE SEALED, CONCEALED FIRE SPRINKLERS SHALL ONLY BE SEALED IN A MANNER THAT IS RECOMMENDED BY THE MANUFACTURER. CAULKING OR OTHER ADHESIVE SEALANTS SHALL NOT BE USED TO FILL VOIDS BETWEEN FIRE SPRINKLER COVER PLATES AND WALLS OR CEILINGS. In addition, inspection of log walls shall be in accordance with the provisions of ICC-400. R403.7 EQUIPMENT SIZING AND EFFICIENCY RATING (MANDATORY) HEATING AND COOLING EQUIPMENT SHALL BE SIZED IN ACCORDANCE WITH ACCA MANUAL S BASED ON BUILDING LOADS CALCULATED IN ACCORDANCE WITH ACCA MANUAL J OR OTHER APPROVED HEATING AND COOLING CALCULATION METHODOLOGIES. THE OUTPUT CAPACITY OF HEATING AND COOLING EQUIPMENT SHALL NOT BE GREATER THAN THAT OF THE SMALLEST AVAILABLE EQUIPMENT SIZE THAT EXCEEDS THE LOADS CALCULATED, INCLUDING ALLOWABLE OVERSIZING LIMITS. NEW OR REPLACEMENT HEATING AND COOLING EQUIPMENT SHALL HAVE AN EFFICIENCY RATING EQUAL TO OR GREATER THAN THE MINIMUM REQUIRED BY FEDERAL LAW FOR THE GEOGRAPHIC LOCATION WHERE THE EQUIPMENT IS INSTALLED. R403.7.1 ELECTRIC RESISTANCE ZONE HEATED UNITS. ALL DETACHED ONE- AND TWO-FAMILY DWELLINGS AND MULTIPLE SINGLE-FAMILY DWELLINGS (TOWNHOUSES) UP TO THREE STORIES IN HEIGHT ABOVE GRADE PLAN USING ELECTRIC ZONAL HEATING AS THE PRIMARY HEAT SOURCE SHALL INSTALL AN INVERTER -DRIVEN DUCTLESS MINI -SPLIT HEAT PUMP IN THE LARGEST ZONE IN THE DWELLING. BUILDING PERMIT DRAWINGS SHALL SPECIFY THE HEATING EQUIPMENT TYPE AND LOCATION OF THE HEATING SYSTEM. EXCEPTION: TOTAL INSTALLED HEATING CAPACITY OF 2KW PER DWELLING OR LESS. R403.8 SYSTEMS SERVING MULTIPLE DWELLING UNITS MANDATORY . SYSTEMS SERVING MULTIPLE DWELLING UNITS SHALL COMPLY WITH SECTIONS C403 AND C404 OF THE WSEC-COMMERCIAL PROVISIONS IN LIEU OF SECTION R403. (MANDATORY). ) R403.9 SNOW MELT SYSTEM CONTROLS (MANDATORY). SNOW AND ICE -MELTING SYSTEMS, SUPPLIED THROUGH ENERGY SERVICE TO THE BUILDING, SHALL INCLUDE AUTOMATIC CONTROLS CAPABLE OF SHUTTING OFF THE SYSTEM WHEN THE PAVEMENT TEMPERATURE IS ABOVE 50T, AND NO PRECIPITATION IS FALLING AND AN AUTOMATIC OR MANUAL CONTROL THAT WILL ALLOW SHUTOFF WHEN THE OUTDOOR TEMPERATURE IS ABOVE 407. ADDITIONAL ENERGY EFFICIENCY REQUIREMENTS: R406.1 SCOPE. THIS SECTION ESTABLISHES OPTIONS FOR ADDITIONAL CRITERIA TO BE MET FOR ONE- AND TWO-FAMILY DWELLINGS AND TOWNHOUSES, AS DEFINED IN SECTION 101.2 OF THE INTERNATIONAL RESIDENTIAL CODE TO DEMONSTRATE COMPLIANCE WITH THIS CODE. R406.2 ADDITIONAL ENERGY EFFICIENCY REQUIREMENTS (MANDATORY). EACH DWELLING UNIT IN A RESIDENTIAL BUILDING SHALL COMPLY WITH SUFFICIENT OPTIONS FROM TABLE R406.2 SO AS TO ACHIEVE THE FOLLOWING MINIMUM NUMBER OF CREDITS: 1. SMALL DWELLING UNIT :................... 1.5 CREDITS DWELLING UNITS LESS THAN 1500 SQUARE FEET IN CONDITIONED FLOOR AREA WITH LESS THAN 300 SQUARE FEET OF FENESTRATION AREA. ADDITIONS TO EXISTING BUILDING THAT ARE GREATER THAN 500 SQUARE FEET OF HEATED FLOOR AREA BUT LESS THAN 1500 SQUARE FEET 2. MEDIUM DWELLING UNIT:........ 3.5 CREDITS ALL DWELLING UNITS THAT ARE NOT INCLUDED IN #1 OR 3. EX EPTION: DWELLING UNITS SERVING R-2 OCCUPANCIES SHALL REQUIRE 2.5 CREDITS. ELECTRICAL POWER AND LIGHTING SYSTEMS: R404.1 LIGHTING EQUIPMENT (MANDATORY). A MINIMUM OF 75 PERCENT OF PERMANENTLY INSTALLED LAMPS IN LIGHTING FIXTURES SHALL BE HIGH -EFFICACY LAMPS. R404.1.1 LIGHTING EQUIPMENT (MANDATORY). FUEL GAS LIGHTING SYSTEMS SHALL NOT HAVE CONTINUOUSLY BURNING PILOT LIGHTS. HIGH EFFICACY LAMPS: COMPACT FLOURESCENT LAMPS, T-8 OR SMALLER DIAMETER LINEAR FLOURESCENT LAMPS, OR LAMPS WITH A MINIMUM EFFICACY OF: 1. 60 LUMENS PER WATT FOR LAMPS OVER 40 WATTS; 2. 50 LUMENS PER WATT FOR LAMPS OVER 15 WATTS TO 40 WATTS; 3. 40 LUMENS PER WATT FOR LAMPS 15 WATTS OR LESS. 3. LARGE DWELLING UNIT :............ 4.5 CREDITS DWELLING UNITS EXCEEDING 5000 SQUARE FEET OF CONDITIONED FLOOR AREA. EXCEPTION: DWELLING UNITS SERVING R-2 OCCUPANCIES SHALL REQUIRE 2.5 CREDITS 4. ADDITIONS LESS THAN 500 SQUARE FEET .... 0.5 CREDITS THE DRAWINGS INCLUDED WITH THE BUILDING PERMIT APPLICATION SHALL IDENTIFY WHICH OPTIONS HAVE BEEN SELECTED AND THE POINT VALUE OF EACH OPTION, REGARDLESS OF WHETHER SEPARATE MECHANICAL, PLUMBING, ELECTRICAL, OR OTHER PERMITS ARE UTILIZED FOR THE PROJECT. 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