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BUILDING THERMAL ENVELOPE AIR LEAKAGE TEST
2.A 22 2.0 2.D 2.E 1. BUILDING AIR LEAKAGE TESTING SHALL BE PERFORMED PER ASTM C779
2. THE TARGET LEAKAGE RATE IS 0.25 CFM/FT2 (1.5 L/S*M2) AT 0.3 IN. WG (75 PA)
3. TESTED PORTIONS OF THE BUILDING SHALL INCLUDE ALL SPACES DIRECTLY UNDER
THE ROOF, ALL SPACES THAT HAVE A BUILDING ENTRANCE, EXPOSED FLOOR,
LOADING DOCK OR ARE BELOW GRADE PLANE, AND REPRESENTATIVE ABOVE -
GRADE AREAS THAT TOTAL >: 25% OF THE BUILDING TOTAL ABOVE -GRADE WALL
AREA;
4. THE WEIGHTED AVERAGE AIR LEAKAGE RATE OF THE BUILDING THERMAL
CONTINUOUS AIR BARRIER ENVELOPE SHALL NOT EXCEED 0.25 CFM/FT2 (1.27 L/S*M2) WHEN MEASURED AT A
GRAPHIC REPRESENATION — — — — — — — — — — — — — — — — PRESSURE DIFFERENTIAL OF 0.3 IN. WG (75 PA).
FOR BUILDING ENVELOPE,
SEE WALL SECTION FOR
DETAIL
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TRANVERSE SECTION - @ OPERATOR RESTROOM ( A
SCALE: 3/4" = V-0" BT120-ARP221
DESIGNED BY:
C. CHEANG
DRAWN BY: 9849 REGISTERED
J. CHAN ARC 45
— F)R TmRIDE
CHECKED BY: N N BRT General Engineering Consultant
D. HOGAN STATE OF WASHINGT
0 12/10/2024 J.C. D.H. C.C. ISSUED FOR BID APPROVED BY: SUBMITTED BY: DATE: REVIEWED BY:
No. DATE I DSN I CHK APP REVISION C. CHEANG I R. PARGAS 112/10/2024 J. ALTCHECH
SCALE:
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CONTRACT
/CN 02 05-24
DATE:
SUBMITTAL DATE:
12/10/2024
12/10/2024
8 4 0 8
EDEVESLiOPIMENT ENGINEERING SCALE IN FEET
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o 11 /25/2025 R-4332371
STRIDE BUS RAPID TRANSIT DRAWING NO.:
SOUTH RENTON TRANSIT CENTER BT120-AIX722
BT105 FACILITY ID:
ARCHITECTURE BT120
SHEET No: REV:
BUILDING SECTIONS II
CORE FACILITY 449 0