HomeMy WebLinkAbout444 PLOWMAN WAY - DISCLOSURES - 7/18/2002Sara's Energy Scoring
1225 w. Prospect P-14
DATE FT. COLLINS, CO 80526
07/18/02 (970)495-9603
CUSTOMER: Kaufman and Broad
444 Plowman Way
Fort Collins ,CO
BUILDING CONDITIONS:
Interior Temp = 75 F Exterior Temp = 90 F
Volume = 16147 Cu. Ft. Above Grade Surface Area = 0 Sq. Ft.
Number of Stories = 2 Number of Occupants = 2
Wind Shield Factor = .9
HOUSE TEST : Depressurized
Fan Model = 3
Performed By SARA
Data Points:
House Pressure
Fan Pressure CFM
%Error
Fan Configuration
57
53
1307
1.3
Ring A
52
44
1192
—2.4
Ring A
45
39
1123
0.4
Ring A
36
30
986
0.8
Ring A
24
18
766
—0.1
Ring A
16
11
600
—0.2
Ring A
Correlation Coefficient
Flow Coefficient
Exponent
r = •9979
C =
113.69
n = 0.601
Results:
Air Flow @ 50 Pascals :
1192 CFM50 +/— 0.8%
4.43 ACH50 (Air Changes Per Hour)
Effective Leakage Area (LBL) = 74.11 Square Inches +/—
Equivalent Leakage Area (CANADA) = 133.11 Square Inches +/—
Estimated Natural Infiltration (50 Pascal Flow Divided By 12.2)
98 CFM
= 48.8 CFM/OCCUPANT
= 0.36 AIR CHANGES PER HOUR
4.7%
2.9%