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<br />MAINTENANCE ROOF
<br />VENT CAP FOR HATCH W/LADDER
<br />UP SAFETY DEVICES -
<br />LAUNDRY FANS, TYP.
<br />LOCATE IN FIELD.
<br />VENT CAP FOR RANGE
<br />VENT CAPS FOR HOOD FANS TYP.
<br />BATH, TYP. LOCATE INFIELD.
<br />LOCATE IN FIELD. -'
<br />1-HR RATED
<br />ATTIC ACCESS
<br />PANEL
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<br />I
<br />I
<br />RIDGE VENT,TYP.
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<br />ATTIC #1
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<br />8" 1 12"
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<br />1" / 12"
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<br />ICE & WATER SHIELD, TYP.
<br />EXTEND 24" BEYOND FACE
<br />OF EXTERIOR WALL. SEE
<br />3/BE4.0
<br />Z DS
<br />DS 9�17' 8" / 12"
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<br />NT VENT CAP FOR
<br />LAUNDRY FANS, TYP.
<br />LOCATE IN FIELD.
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<br />-VENT CAP FOR RANGE
<br />VENT CAP FOR RANGE-
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<br />HOOD FANS, TYP.
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<br />HOOD FANS, TYP.
<br />LOCATE IN FIELD.-
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<br />LOCATE IN FIELD.
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<br />ACCESS PA
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<br />RIDGE VENT,TYP.
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<br />VENT CAP FOR
<br />LAUNDRY FANS, TYP.
<br />-VENT CAPS FOR
<br />I
<br />LOCATE IN FIELD.
<br />ATTIC g2
<br />ATTIC #3 BATH, TYP.
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<br />,I 8" / 12"
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<br />6" / 12"
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<br />L 6" PREFINISHED ALUMINUM
<br />K-STYLE GUTTERS, TYP.
<br />COMPOSITION SHINGLE ROOFING
<br />TO MEET ASTM D7158 CLASS G OR
<br />H, OR ASTM D3161 CLASS F OVER
<br />ONE LAYER OF UNDERLAYMENT,
<br />TYR
<br />3
<br />A410
<br />CUT 76k18" OPENING IN MAIN ROOF
<br />SHEATHING TO ALLOW VENTING OF
<br />I OVERFRAMED AREAS
<br />I
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<br />8"
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<br />VENT CAP FOR
<br />II
<br />LAUNDRY FANS, TYP.
<br />VENT CAP FOR RANGE I
<br />LOCATE IN FIELD.
<br />J HOOD FANS, TYP.
<br />VENT CAPS FOR
<br />LOCATE IN FIELD.
<br />BATH, TYP.
<br />1-HR RATED ATTIC - I
<br />LOCATE IN FIELD.
<br />ACCES$PANEL
<br />ACCESS P L
<br />A-ESTO
<br />9/ 01
<br />1
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<br />RIDGE VEI T,TYP.
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<br />LJ
<br />8" /'12"
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<br />8..! 12.'
<br />8" / 17,
<br />8" / 12'
<br />D:
<br />BUILDING A - ROOF PLAN
<br />1/8" = T-0"
<br />110 /r( BUILDING A -FLOOR 4
<br />vs' = T-T
<br />ATTIC VENTILATION CALCULATIONS
<br />ATTIC AREA 1 & 4: 3SF)
<br />CEILING ASSEMBLY AT AT BOTTOM
<br />OMM CHORD OF ROOF TRUSSES INCLUDES
<br />CLASS II VAPOR BARRIER. REQUIRED VENTILATION @ 11300 (IBC
<br />SECTION 1203.2 EXCEPTION 2): 1183 S.I. (8.21 S.F.)
<br />EAVE VENTILATION: 42.76 LF. (513 L.1.)
<br />• BIRD BLOCKING WITH THREE T DIAMETER HOLES PER TRUSS
<br />BAY W/ 1/8" MESH SCREEN 2.50 S.I..0174 S.F. NFA PER NOTCH.
<br />SEE DIAGRAM 1/A501 3.75 S.I.(.026 S.F.) NET FREE AREA PER
<br />LINEAL FOOT= 136.8 S.I. (0.95 S.F.) TOTAL.
<br />CONTINUOUS SOFFIT VENTILATION: 21 LF. 252 L.I.
<br />• STRIP VENT WITH Z' WIDE ON BALCONY CEILING WITH 1/8" MESH
<br />SCREEN. NET FREE AREA PER LINEAL FOOT = 504 S.I. (3.5 S.F.)
<br />CONTINUOUS RIDGE VENTILATION: 95 L.F.
<br />• COR-A-VENT REVOLUTION @ 12 S.I. NET PER FT. = 95 FT • 12
<br />S.I./FT = 1,140 S.I. (7S2 S.F.) TOTAL
<br />TOTAL PROVIDED VENTILATION: 136.8 S.1+504 S.1+ 1,140 S.I. = 1,780.8 S.I.
<br />(12.37 S.F.)
<br />• EAVE &SOFFIT VENTS:(136.8+ 50411,183)' 100=54.2%
<br />• RIDGEVENTS(1,140/1608+25)*100=70.88%
<br />VENTILATION ALSO MEETS IBC SECTION 1203.2 EXCEPTION 1
<br />ATTIC AREA 2 & 3: 300,456 S.1 (2,086.5 SF)
<br />CEILING ASSEMBLY AT BOTTOM CHORD OF ROOF TRUSSES INCLUDES
<br />CLASS II VAPOR BARRIER. REQUIRED VENTILATION @ 1/300 (IBC
<br />SECTION 1203.2 EXCEPTION 2): 1001.5 S.I. (6.96 S.F.)
<br />EAVE VENTILATION: STST LF. (694.5 L.I.)
<br />• BIRD BLOCKING WITH THREE 2' DIAMETER HOLES PER TRUSS
<br />BAY W/ 1/8" MESH SCREEN 2.50 S.I. (.0174 S.F.)NFA PER NOTCH.
<br />SEE DIAGRAM 1/A501 3.75 S.I.(.026 S.F.) NET FREE AREA PER
<br />UNEAL FOOT= 185.2 S.I. (1.29 S.F.) TOTAL.
<br />CONTINUOUS SOFFIT VENTILATION: 21 LF. (252 L.I.)
<br />• STRIP VENT WITH Z' WIDE ON BALCONY CERING WITH 1/8"
<br />MESH SCREEN. NET FREE AREA PER UNEAL FOOT = 504 S.I. (3.5
<br />S.F.)
<br />CONTINUOUS RIDGE VENTILATION. 62.75 LF.
<br />• COR-A-VENT REVOLUTION @ 12 S.I. NET PER FT = 62.75 FT • 12
<br />S.UFT = 753 S.I. (5.23 S.F. TOTAL
<br />TOTAL PROVIDED VENTILATION: 185.2 S 1 + 504 S.I + 753 S.I. = 1,442.2 S.I.
<br />(10.02 S.F.)
<br />EAVE & SOFFIT VENTS. (185.2+504/1,001.5)'100 68.82%
<br />• RIDGE VENTS:(753/1,001.5)'100=75.2%
<br />VENTILATION ALSO MEETS IBC SECTION 1203.2 EXCEPTION 1
<br />MR BARRIER
<br />AIR BARRIER
<br />INTERIOR
<br />1.
<br />SEAL ALL PENETRATIONS IN EXTERIOR
<br />WALL INDICATED AS THE LINE OF THE
<br />AIR BARRIER
<br />2.
<br />AT TOP FLOOR CEILING LID: SEAL FIRST
<br />LAYER OF GWB TO TOP PLATE TO
<br />PREVENT AIR LEAKAGE INTO ATTIC
<br />SPACE
<br />3.
<br />SEALANY PENETRATIONS IN CEILING
<br />LID TO PREVENT AIR LEAKAGE INTO
<br />ATTIC SPACE
<br />4.
<br />AT DOUBLE STUD WALLS, SEAL TOP OF
<br />STUDS AT ATTIC WITH SELF ADHERING
<br />MEMBRANE
<br />5.
<br />SEAL BOTTOM PLATES TO FLOOR
<br />SHEATHING, SILL PLATE TO FLOOR
<br />SHEATHNG AND GWB TO SILL PLATE.
<br />SEAL ANY PENETRATIONS IN DOUBLE
<br />STUD WALL AT ALL FLOOR LEVELS
<br />6.
<br />AT TOP FLOOR CEILING SEAL ALL
<br />PENETRATIONS. I.E. SPRINKLERS
<br />EXTERIOR
<br />1.
<br />SEAL WATER RESISTANT BARRIER AT
<br />TOP AND BOTTOM TERMINATIONS AND
<br />TAPE ALL WATER RESISTANT BARRIER
<br />LAPS.
<br />2.
<br />SEAL ALL PENETRATIONS SUCH AS
<br />SPRINKLERS, FIRE EXTINGUISHER
<br />BOXES, UGHT FIXTURES, ELECTRICAL
<br />BOXES, ETC.
<br />1. SEE STRUCTURAL DRAWINGS
<br />FOR ROOF FRAMING.
<br />JOHNSON BRAUND-
<br />2. ALL ROOFING TO BE CLASS B
<br />MINIMUM PER IBC SECTION 1505
<br />1520052nd Ave. South
<br />AND TABLE 1505.1.
<br />Suite 300
<br />3. ALL ROOF SLOPES ARE 5"/FT.
<br />Seattle, WA 98188
<br />U.N.O
<br />Phone 2D6.765.8300
<br />4. DRAFTSTOPS ARE REQUIRED IN
<br />,-..johm-braund-
<br />ATTICS OR OTHER CONCEALED
<br />ARCHITECTURE
<br />ROOF SPACES PER IBC SECTION
<br />INTERIOR DESIGN
<br />718.4.2.
<br />Greg L. AIIW. AIA
<br />5. PER IBC SECTION 708.4, IN
<br />Jeffry A. Wili-, AIA
<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 #5: ATTIC FIRE LOCKING 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 />ATTIC SPACE IS SUBDIVIDED BY
<br />esss
<br />1� I REGISTEREDITECT
<br />DRAFTSTOPPING INTO AREAS NOT
<br />EXCEEDING 3,000 SF OR ABOVE EVERY
<br />, > ARCH
<br />TWO DWELLING UNITS, WHICHEVER IS
<br />SMALLER.
<br />PFREY ARTHUR WILLIAM
<br />6. DRAFTSTOPPING MATERIALS TO
<br />s1a1E or wasrvlrvclory
<br />BE J Z. GYP. SHEATHING OR 12" 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 />EXTEND TO THE UNDERSIDE OF THE
<br />ROOF SHEATHING ABOVE PER IBC
<br />SECTION 718.4,2.
<br />EXCEPTION #31 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 />TWO DWELLING UNITS, WHICHEVER IS
<br />a
<br />SMALLER.
<br />c
<br />8. PER IBC SECTION 1203.2 EXCEPTION
<br />THE NET FREE CROSS -VENTILATION AREA
<br />SHALL BE PERMITTED TO BE REDUCED TO
<br />Z
<br />1/300PROVIDED 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 />VENTING AREA IS PROVIDED BY
<br />G =,
<br />VENTILATORS LOCATED IN THE UPPER
<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 BALANC
<br />am,
<br />OF THE VENTILATIO NPROVIDED BY EAVE Of
<br />CORNICE VENTS. WHERE THE LOCATION O
<br />ISSUE DATE 7/19119
<br />-
<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 />ASSEMBLY TAG
<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 10BC
<br />4. * INDICATES TYPE
<br />ACCESSIBLE UNIT. ALL REMAINING
<br />UNITS ON FIRST FLOOR SHALL MEET
<br />TYPE B ACCESSIBLE UNIT CRITERIA
<br />PER IBC SECTION 1107.6.2.
<br />5. REFER TO ACCESSIBILITY NOTES
<br />ON SHEET CSGD.
<br />6 REFER TO DESIGWBUILD
<br />PLUMBING PLANS.
<br />7 REFER TO DESIGWBUILD
<br />ELECTRICAL PLANS,
<br />8 REFER TO SHEET A030 FOR
<br />PENETRATION REQUIREMENTS IN
<br />FIRE RATED CONSTRUCTION.
<br />g LEVELS 1 -4 CONSTRUCTION TYPE VA,
<br />OCCUPANCIES R-2
<br />10 ALL LEVELS FULLY SPRINKLERED PER
<br />IBC SECTION 903.3.1.2 (NFPA 13R).
<br />11. REFER TO CS SHEETS FOR FIRE
<br />ASSEMBLY KEY PLAN W/WALL TYPE
<br />TAGS & LOCATIONS. REFER TO SHEET
<br />SERIES A040, A041 FOR ASSEMBLY
<br />DETAILS.
<br />12. UNIT DEMISING WALLS ARE 1-HOUR
<br />RATED PER IBC SECTION 708 W/
<br />MINIMUM STC 50.
<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 SHALL BE MARKED WITH A
<br />PLAINLY VISIBLE AND LEGIBLE SIGN
<br />STATING SPRINKLER RISER ROOM
<br />AND/OR F.AC.P OR SIMILAR APPROVED
<br />WORDING.
<br />PROJECT#. 1705
<br />DRAWN BY: AT
<br />CHECKED BY: ST
<br />BUILDING PLANS -
<br />FLOOR 4 AND ROOF -
<br />BLDG A
<br />A210 C
<br />BID / CONSTRUCTION
<br />
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