8102 EVERGREEN WAY EVERETT 4 CORNERS - BLDG C 2025-08-06

ATTIC VENTILATION CALCULATIONS 5 Q N N ti 0 0") N 0 N N L: X a� co I z I O UI L E O U O LL ti N 00 U O 0 X g L U) w Q z w J_ LL C.5 1 — A430 C.7 HOOD FOR STAIRWELL PRESSURIZATION FAN C.1 � 3 A431 A332 1 2'-0"O.H. 2-HOUR ELEVATOR ENCLOSURE FRAMING CONTINUOUS TO UNDERSIDE OF ROOF SHEATHING. ELEVATOR ENCLOSURE ROOF FRAMING TO BE ENTIRELY INDEPENDENT OF MAIN ROOF FRAMING 1'- 0" O.H. TYP. DS C.g A331 1 O = N O o = 0 I C.k / — 49 — — — — — — I�-- Iw aac f3Cf3ME33cl _-drjpgME - -------------------------------- I I I I I I I I I I I I I r II I �L I I I I I I I RIDGE I - - - - - - - - - - - ---{________________� 1- I I I I I I I I �r I I P�V I I I II I I I I I I I I I I -----J --------------- I I I I I I I I I I I I I DS I I I I I I I I I it I I I I �I I I I I I $I 2 I i A431 I I II I I II I I J1� I — — — — — — — — — I+� IIII it IIII I — I I I I I IIII II �� IIII III r------- IIII IIII IIII IIII _ �________ -�-I� r-------I I I I I I I IIII IIII IIII IIII I I I l i L IIII IIII IIII IIII II � I I IIII IIII IIII IIII IIII IIII II I I I II 2 — — RIDGE A430 C.8-------- ----------------- �------------------- in z------------------ �n Fr -, IIII III I I I I I IIII III I I I I I IIII IIII L-J I I I 11 ili i I I 22" X 36" 1-HOUR RATE[ Illi IIII I i ATTIC ACCESS HATCH BASIS OF DESIGN - ll NYSTROM IU-22x36-G Ir---------- 11 I I I I ROOF ACCESS HATCH 11 i i i i FROM ATTIC WITH IIII I I II PERMANENTLY I INSTALLED LADDER J Ijl I I I I I Ijl I I I I I Iyl I I JP�� I 111 i i ii I I I II I C.10' _ II _ I ------- _—T-----------------J DS w DS 0 I � I I I I o = DS I i�I O I I VENT CAP FOR TOP FLOOR UNITS, TYP. ADJUST LOCATIONS IN FIELD TO AVOID CONFLICTS WITH SOLAR HW AND SOLAR PV SYSTEM COMPONENTS. DS I � — — — — — P RIDGE I i 11 4- I I I I I I I I I I I I I I Y L-----J �_____=� = -r=- ------ ------= I Q I U I U CO U' I I U F- T- C) i II Ui:z J I I II Q O II LL LL I I0 co w �P� H w r ��/ U LJ QU RIDGE I U� I p� I zw I = W F-1 :H =ter =___= LJ==--- - Q w---------=-----=----=-- I i i I I I I I \I I I I I I I I I I I I I I L- == --------------------------- - ------------------ ------ I I I � I I I �P� I I I I I RIDGE I I ELEVATOR HOISTWAY VENT 6 SQFT NET FREE AREA MINIMUM, SEE MECH L I I I I I I I I I I I � I I I I I I L_ I I I I I I I I I I I I I I I I I I I I ��l I I JP� I i II II —RIDGE— r I I � I I I _- _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ r_________________________________ C.n r-I LJ I I I I I C.g 1 C.j A431 BLDG C - ROOF NORTH 1/8" = 1'-01, 3'-0" O.H. 1'- 0" O.H. TYP. DS DS DS DS SEE SHEET A236A COMPOSITION SHINGLE ROOFING TO MEET ASTM D7158 CLASS G OR H, OR ASTM D3161 CLASS F ORVER ONE LAYER OF UNDERLAYMENT, TYP. REFER TO MANUFACTURER'S REQUIREMENTS b CUT 18" x 18" OPENINGS IN MAIN ROOF SHEATHING TO ALLOW VENTING OF OVERFRAMED AREAS ICE & WATER SHIELD, TYP. EXTEND 24" PAST FACE OF EXTERIOR WALL SEE 12/XBE 6.00 TYP. 6" PREFINISHED ALUMINUM K-STYLE GUTTERS - C.5 2'-0" O.H. DS .2' 0" O.H. I 2'-0" O.H. 2'-0" O.H. �C.101 1 A333 ROOF NOTES 1. SEE STRUCTURAL DRAWINGS FOR ROOF FRAMING. 2. ALL ROOFING TO BE CLASS B MINIMUM PER IBC SECTION 1505 AND TABLE 1505.1. 3. ALL ROOF SLOPES ARE 4 1/8"/FT. U.N.O 4. ALL ROOF OVERHANGS ARE 1'-0" U.N.O 5. DRAFTSTOPS ARE NOT REQUIRED IN BUILDINGS EQUIPPED WITH AUTOMATIC SPRINKLER SYSTEMS PER IBC SECTION 903.3.1.1 (NFPA 13) 6. PER IBC SECTION 708.4, IN COMBUSTIBLE CONSTRUCTION WHERE THE FIRE PARTITIONS ARE NOT REQUIRED TO BE CONTINUOUS TO THE SHEATHING, DECK OR SLAB, THE SPACE BETWEEN THE CEILING AND THE SHEATHING, DECK OR SLAB ABOVE SHALL BE FIRE BLOCKED OR DRAFTSTOPPED IN ACCORDANCE WITH IBC SECTIONS 718.2 AND 718.3 AT THE PARTITION LINE. EXCEPTION #6: FIREBLOCKING OR DRAFTSTOPPING IS NOT REQUIRED AT THE PARTITION LINE IN BUILDINGS EQUIPPED WITH AN AUTOMATIC SPRINKLER SYSTEM INSTALLED THROUGHOUT IN ACCORDANCE WITH IBX SECTION 903.3.1.1... PROVIDED THAT AUTOMATIC SPRINKLERS ARE INSTALLED IN COMBUSTIBLE FLOOR/CEILING AND ROOF/CEILING SPACES. 7. DRAFTSTOPPING MATERIALS TO BE 1/2" GYP. SHEATHING OR 1/2" PLYWOOD OR OSB SHEATHING PER IBC SECTION 718.3.1. 8. PER IBC SECTION 1203.2 EXCEPTION: THE NET FREE CROSS -VENTILATION AREA SHALL BE PERMITTED TO BE REDUCED TO 1/300 PROVIDED BOTH OF THE FOLLOWING CONDITIONS ARE MET: 1. IN CLIMATE ZONES 6, 7, AND 8, A CLASS I OR II VAPOR RETARDER IS INSTALLED ON THE WARM -IN -WINTER SIDE OF THE CEILING. 2. AT LEAST 40 PERCENT AND NOT MORE THAN 50 PERCENT OF THE REQUIRED VENTING AREA IS PROVIDED BY VENTILATORS LOCATED IN THE UPPER PORTION OF THE ATTIC OR RAFTER SPACE. UPPER VENTILATORS SHALL BE LOCATED NOT MORE THAN 3 FEET BELOW THE RIDGE OR HIGHEST POINT OF THE SPACE, MEASURED VERTICALLY, WITH THE BALANCE OF THE 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. 9. BATHROOMS SHALL BE MECHANICALLY VENTILATED IN ACCORDANCE WITH THE IMC PER IBC SECTION 1203.5.2.1. KEY PLAN BUILDING C OHNSON BRAUNDINC. 15200 52nd Ave. South Suite 300 Seattle, WA 98188 Phone 206.766.8300 www.johnsonbraund.com ARCHITECTURE INTERIOR DESIGN Greg L. Allwine, Jeffrey A. Williams, 8556 REGISTERED ARCHITECT J FFREY ARTHUR WILLIAM STATE OF WASHINGTON STAMP J Q om �D I o a H w 0 0 0 Q w Q 0) CO o c a N d 0 a 0 d 0 w O a Uj w 0 r z a z O w O 0 w z w z F O z �w Q Ew Q= Q� E�z Cff z Q M LL m O rn F O V/ w0 A+ W > w o � �o L > F- °LU Q 0 w = QUUO z00 aQ L� UJ _ O J cn O wF w w a 2 :5 < z> L o Q =w az Q w0z oC) LLI z L CD N COLU - 11 co O LL pp a PROJECT #: 1827 DRAWN BY: AT CHECKED BY: ST BLDG C - ROOF NORTH A236B PERMIT SET 10/09/2020