ETL 1110-3-498
24 Feb 99
G-5. Building Number 3.
Building number 3 is a poured concrete structure with 0.66-m-thick walls and roof. The facility
has no windows. Leakage rate versus internal pressure is shown in Figure G-3. Building leakage
rates can be calculated using equation G-3.
log(y) = C0 + C1log(x)
(eq G-3)
where: C0 = 1.7654878
C1 = 0.52904921
y = leakage rate, L/s
x = internal pressure, Pa
10,000
Wall Type 5: 6600 mm (26") Thick
Roof Type 3: 6600 mm (26") Thick
1,000
100
10
1
10
100
1,000
Internal Pressure, Pa
Figure G-3. Building 4 Leakage Rate.
G-5
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