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ROOF NOTES
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<br />ICE & WATER SHIELD, TYP.
<br />EMEND 24" BEYOND FACE
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<br />1 2 3 CUT 11",18" OPENING IN MAIN ROOF
<br />SHEATHING TO ALLOW VENTING OF ATTIC VENTILATION CALCULATIONS
<br />A481 A414 A414 OVERFRAMED AREAS ATTIC AREA184: 412,992 S.1(2,868 SF)
<br />CEIUNG ASSEMBLY AT BOTTOM CHORD OF
<br />- n5 ROOF TRUSSES INCLUDES CLASS II VAPOR
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<br />VENT CAPS FOR
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<br />VENT CAPS FOR
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<br />:VENT CAPS FOR -
<br />---_ CAPS FOR
<br />BATH, TYP.
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<br />BATH, TYP.
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<br />BATH, TYP.
<br />LOCATE IN FIELD
<br />ATTIC ACCESS
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<br />COMPOSITION SHINGLE ROOFING 6" PREFINISHED ALUMINUM
<br />TO MEET ASTM D7158 CLASS G OR K-STYLE GUTTERS, TYP.
<br />H. OR ASTM D3161 CLASS F OVER
<br />ONE LAVER OF UNDERLAYMENT,
<br />TYR V �� BUILDING E - ROOF PLAN
<br />1/6' = 1' 0"
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<br />BUILDING E - FLOOR 4
<br />1'.. = I.W.
<br />ZLINE OF AIR BARRIER
<br />RIER. REQUIRED VENTILATION @ 1/300
<br />SECTION 1203.2 EXCEPTION 2): 1377 S.I.
<br />E VENTILATION: 69' L.F. (828 L.I.)
<br />BIRD BLOCKING WITH THREE 2'
<br />DIAMETER HOLES PER TRUSS BAY
<br />W/ 1/8" MESH SCREEN 2.50 S.I. (.0174
<br />S.F.)NFA PER NOTCH. SEE DIAGRAM
<br />1/A501 3.75 S.I.(.026 S.F.) NET FREE
<br />AREA PER LINEAL FOOT =220.8 S.I.
<br />(1.53 S.F.) TOTAL.
<br />TINUOUS SOFFIT VENTILATION: 21 L.F.
<br />LI.)
<br />STRIP VENT WITH Z' WIDE ON
<br />BALCONY CEILING WITH 1/8" MESH
<br />SCREEN. NET FREE AREA PER
<br />UNEAL FOOT= 504 S.I. (3.5 S.F.)
<br />11N000S RIDGE VENTILATION: 103.67
<br />COR-A-VENT REVOLUTION @ 12 S.I.
<br />NET PER FT.: 103.67 FT' 12S. I./FT =
<br />1,244 ST (8.64 S.F.) TOTAL
<br />AL PROVIDED VENTILATION. 220.8 S.I+
<br />S.I + 1,244 S = 1,968.8 S.I. (13.7 S.F.)
<br />SAVE & SOFFIT VENTS. (220 8+
<br />504/1 377)-100 = 52.6%
<br />RIDGE VENTS (1244/1377)`100
<br />90 34%
<br />TILATION ALSO MEETS IBC SECTION
<br />.2 EXCEPTION 1
<br />C AREA 2 & 3: 384.336 S.I (2,669 SF)
<br />ING ASSEMBLY AT BOTTOM CHORD OF
<br />F TRUSSES INCLUDES CLASS II VAPOR
<br />RIER, REQUIRED VENTILATION @ 1/300
<br />SECTION 1203.2 EXCEPTION 2): 1281 S.I
<br />S.F.)
<br />E VENTILATION: 56.5' L.F. (678 L.I.)
<br />BIRD BLOCKING WITH THREE 2"
<br />DIAMETER HOLES PER TRUSS BAY
<br />W/ llT' MESH SCREEN 2.50 S.I. (.0174
<br />S.F.)NFA PER NOTCH. SEE DIAGRAM
<br />1/A501 3.75 S.I.(.026 S.F.) NET FREE
<br />AREA PER UNEAL FOOT =181 S.I.
<br />(1.26 S.F.) TOTAL.
<br />NTINUOUS SOFFIT VENTILATION: 21 LF.
<br />LI.)
<br />• STRIP VENT WITH Z' WIDE ON
<br />BALCONY CEILING WITH 1/8" MESH
<br />SCREEN. NET FREE AREA PER
<br />LINEAL FOOT= 504 S.I. (3.5 S.F.)
<br />CONTINUOUS RIDGE VENTILATION: 82.67 LF.
<br />• COR-A-VENT REVOLUTION @ 12 S.I.
<br />NET PER FT. = 82.67 FT ` 12 S.I./FT =
<br />992 S.I. (6.89 S.F.) TOTAL
<br />TOTAL PROVIDED VENTILATION: 181 ST + 504
<br />S.1 + 992 S.I. =1,677 S.I. (11.65 S.F.)
<br />• EAVE & SOFFIT VENTS: (181+
<br />504/1,281)•100 = 53.5%
<br />• RIDGE VENTS: (992/1,281)'100=
<br />77.4%
<br />VENTILATION ALSO MEETS IBC SECTION
<br />1203.2 EXCEPTION 1
<br />AIR BARRIER
<br />INTERIOR
<br />1. SEAL ALL
<br />PENETRATIONS IN
<br />EXTERIOR WALL
<br />INDICATED AS THE
<br />LINE OF THE AIR
<br />BARRIER
<br />2. AT TOP FLOOR
<br />CEILING UD: SEAL
<br />FIRST LAVER OF
<br />GWB TO TOP PLATE
<br />TO PREVENT AIR
<br />LEAKAGE INTO ATTIC
<br />SPACE
<br />3. SEAL ANY
<br />PENETRATIONS IN
<br />CEILING LID TO
<br />PREVENT AIR
<br />LEAKAGE INTO ATTIC
<br />SPACE
<br />4. AT DOUBLE STUD
<br />WALLS, SEAL TOP
<br />OF STUDS AT ATTIC
<br />WITH SELF
<br />ADHERING
<br />MEMBRANE
<br />5. SEAL BOTTOM
<br />PLATES TO FLOOR
<br />SHEATHING, SILL
<br />PLATE TO FLOOR
<br />SHEATHING AND
<br />GWB TO SILL PLATE.
<br />4 SEAL ANY
<br />PENETRATIONS IN
<br />DOUBLE STUD WALL
<br />AT ALL FLOOR
<br />LEVELS
<br />6. AT TOP FLOOR
<br />CEILING SEAL ALL
<br />PENETRATIONS. I.E.
<br />SPRINKLERS
<br />EXTERIOR
<br />1. SEAL WATER
<br />RESISTANT BARRIER
<br />AT TOP AND
<br />BOTTOM
<br />TERMINATIONS AND
<br />TAPE ALL WATER
<br />RESISTANT BARRIER
<br />LAPS.
<br />2. SEAL ALL
<br />PENETRATIONS
<br />SUCH AS
<br />SPRINKLERS, FIRE
<br />EXTINGUISHER
<br />BOXES, LIGHT
<br />FIXTURES,
<br />ELECTRICAL BOXES,
<br />ETC.
<br />1. SEE STRUCTURAL DRAWINGS
<br />FOR ROOF FRAMING.
<br />2. ALL ROOFING TO BE CLASS B
<br />OHNSON BRAUND�rv�.
<br />MINIMUM PER IS SECTION 1606
<br />15200 52nd Ave. South
<br />AND TABLE 1606.1.
<br />Suite 300
<br />3. ALLROOFSLOPES ARE5"/1"T.
<br />Seattle, WA 98188
<br />U.N.O
<br />Phone 206.766.8300
<br />4. DRAFTSTOPS ARE REQUIRED IN
<br />�w.w.ion�sonerevaa.com
<br />ATTICS OR OTHER CONCEALED
<br />ARCH T E C T U R E
<br />ROOF SPACES PER IBC SECTION
<br />INTERIOR DESIGN
<br />718.4.2.
<br />Greg L. Allvi AIA
<br />5. PER IBC SECTION 708.4, IN
<br />J,ff.y A. W11, sAtA
<br />COMBUSTIBLE CONSTRUCTION
<br />WHERE THE FIRE PARTITIONS ARE
<br />NOT REQUIRED TO BE
<br />CONTINUOUS TO THE SHEATHING, DECK
<br />OR SLAB, THE SPACE BETWEEN THE
<br />CEILING AND THE SHEATHING, DECK OR
<br />SLAB ABOVE SHALL BE FIRE BLOCKED OR
<br />DRAFTSTOPPED IN ACCORDANCE WITH IBC
<br />SECTIONS 718.2 AND 718.3 AT THE
<br />PARTITION LINE.
<br />EXCEPTION i/5: ATTIC FIREBLOCKING OR
<br />DRAFTSTOPPING IS NOT REQUIRED AT THE
<br />PARTITION LINE IN GROUP R-2 BUILDINGS
<br />THAT DO NOT EXCEED FOUR STORIES
<br />ABOVE GRADE PLANE, PROVIDED THE
<br />B'Ss
<br />ATTIC SPACE IS SUBDIVIDED BY
<br />REGISTERED
<br />DRAFTSTOPPING INTO AREAS NOT
<br />RCHITECT
<br />EXCEEDING 3 000 SF OR ABOVE EVERY
<br />TWO DWELLING UNITS WHICHEVER IS
<br />SMALLER.
<br />�'- -
<br />FFREY ARTNUR MILLIAM
<br />fi DRAFTSTOPPING MATERIALS TO
<br />STATE or' wasrvirvcTory
<br />BE 12" GYP SHEATHING OR 1!Y PLYWOOD
<br />OR OSB SHEATHING PER IBC SECTION
<br />718.3.1.
<br />7. DRAFTSTOPPING SHALL BE
<br />INSTALLED ABOVE, AND IN LINE WITH,
<br />SLEEPING UNIT AND DWELLING UNIT
<br />SEPARATION WALLS THAT DO NOT
<br />EMEND TO THE UNDERSIDE OF THE
<br />ROOF SHEATHING ABOVE PER IBC
<br />SECTION 718.4.2.
<br />EXCEPTION #3: IN OCCUPANCIES IN
<br />GROUP R-2 THAT DO NOT EXCEED FOUR
<br />STORIES ABOVE GRADE PLANE, THE ATTIC
<br />SPACE SHALL BE SUBDIVIDED BY
<br />DRAFTSTOPS INTO AREAS NOT
<br />3
<br />EXCEEDING 3,000 SF OR ABOVE EVERY
<br />.�
<br />TWO DWELLING UNITS, WHICHEVER IS
<br />SMALLER.
<br />c
<br />8. PER IBC SECTION 1203.2 EXCEPTION :
<br />r
<br />HE NET
<br />THE FREE CROSS -VENTILATION AREA
<br />SHALL BE PERMITTED TO BE REDUCED TO
<br />1/300 PROVIDED BOTH OF THE FOLLOWING
<br />CONDITIONS ARE MET:
<br />1. IN CLIMATE ZONES 6,7, AND 8, A CLASS I
<br />OR II VAPOR RETARDER IS INSTALLED ON
<br />THE WARM -IN -WINTER SIDE OF THE CEILING.
<br />2. AT LEAST 40 PERCENT AND NOT MORE
<br />THAN 50 PERCENT OF THE REQUIRED
<br />B
<br />VENTING AREA IS PROVIDED By
<br />o
<br />VENTILATORS LOCATED IN THE UPPER
<br />c
<br />2
<br />PORTION OF THE ATTIC OR RAFTER SPACE.
<br />UPPER VENTILATORS SHALL BE LOCATED
<br />NOT MORE THAN 3 FEET BELOW THE RIDGE
<br />OR HIGHEST POINT OF THE SPACE,
<br />MEASURED VERTICALLY, WITH THE BALANCE
<br />M
<br />OF THE VENTILATI0 NPROVIDED BY EAVE O
<br />W CORNICE VENTS. HERE THE LOCATION OF
<br />ISSUE DATE: 7/19119
<br />WALL OR ROOF FRAMING MEMBERS
<br />CONFLICTS WITH THE INSTALLATION OF
<br />UPPER VENTILATORS, INSTALLATION MORE
<br />THAN 3 FEET BELOW THE RIDGE OR
<br />HIGHEST POINT OF THE SPACE SHALL BE
<br />PERMITTED.
<br />9. BATHROOMS SHALL BE
<br />MECHANICALLY VENTILATED IN
<br />ACCORDANCE WITH THE IMC PER
<br />IBC SECTION 1203.5.2.1.
<br />PLAN NOTES
<br />1. SEE SHEET A040, A041 SHEETS
<br />FOR FIRE -RESISTIVE ASSEMBLIES
<br />XX ASSEMBLVTAG
<br />2. SEE ENLARGED UNIT PLAN
<br />SHEETS FOR INTERIOR
<br />DIMENSIONS, WINDOW AND DOOR
<br />CALLOUTS, AND LOCATION OF
<br />RATED WALLS,
<br />3. RECESSED/1-HOUR FIRE
<br />EXTINGUISHER -SEE SHEET F.E.C.
<br />A030, LOCATE PER IFC
<br />TYPE 5LB AC
<br />SIZE 2A 108C
<br />N
<br />4. ® INDICATES TYPE A
<br />O
<br />ACCESSIBLE UNIT. ALL REMAINING
<br />Gi
<br />UNITS ON FIRST FLOOR SHALL MEET
<br />TYPE B ACCESSIBLE UNIT CRITERIA
<br />Z
<br />PER IBC SECTION 1107.6.2.
<br />5. REFER TO ACCESSIBILITY NOTES
<br />ON SHEET CS00.
<br />REFER TO DESIGNUILD
<br />6' PLUMBIB
<br />INS,
<br />j
<br />o
<br />ry
<br />2 N
<br />7 REFER TO DESIGNBUILD
<br />3w
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<br />ELECTRICAL PLANS.
<br />)
<br />wrc
<br />y$04
<br />g REFER TO SHEET A030 FOR
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<br />PENETRATION REQUIREMENTS IN
<br />FIRE RATED CONSTRUCTION.
<br />¢
<br />a g 3
<br />g LEVELS 1 CONSTRUCTION TYPE VA
<br />m
<br />=
<br />ES R-2
<br />OCCUPANCIES
<br />10, ALL LEVELS FULLY SPRINKLERED PER
<br />IBC SECTION 903.3.1.2 (NFPA 13R).
<br />PROJECT#. 1705
<br />11. REFER TO CS SHEETS FOR FIRE
<br />ASSEMBLY KEY PLAN W/ WALL TYPE
<br />DRAWN BY: ALF
<br />TAGS & LOCATIONS. REFER TO SHEET
<br />CHECKED BY: ST
<br />SERIES A040, A041 FOR ASSEMBLY
<br />DETAILS,
<br />12, UNIT DEMISING WALLS ARE 1-HOUR
<br />BUILDING PLANS -
<br />RATED PER IBC SECTION 708 W/
<br />FLOOR 4 AND ROOF -
<br />MINIMUM STC 50.
<br />BLDG E
<br />13. DIMENSIONS ARE TO OUTSIDE EDGE OF
<br />CONCRETE OR FACE OF STUD, TYP.
<br />14. FSR: FIRE SPRINKLER RISER ROOM:
<br />FIRE SPRINKLER & FIRE ALARM PANEL
<br />ROOMS SHAWITH
<br />LL BE MARKED A
<br />PLAINLY VISIBLE AND LEGIBLE SIGN
<br />A214 C
<br />STATING SPRINKLER RISER ROOM
<br />AND/OR F.A.C.P OR SIMILAR APPROVED
<br />WORDING.
<br />BID / CONSTRUCTION
<br />
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